12-14-2018 Northwest Avalanche Center Hurricane Ridge, Olympic National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total Total PST F % Min Avg Max Dir Prec. Prec. Snow 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' ------------------------------------------------------------------ 12 13 500 31 98 10 17 33 180 .09 .09 234 12 13 600 32 98 8 14 30 181 .07 .16 234 12 13 700 32 98 7 13 24 177 .13 .29 20 12 13 800 32 98 6 11 18 177 .04 .33 21 12 13 900 33 98 8 14 24 178 .03 .36 20 12 13 1000 33 98 10 15 27 176 .02 .38 20 12 13 1100 33 98 8 15 30 175 .02 .4 21 12 13 1200 33 98 10 17 32 176 .03 .43 20 12 13 1300 33 98 7 15 27 173 .01 .44 23 12 13 1400 33 98 7 13 23 170 .02 .46 23 12 13 1500 33 98 7 13 24 164 .01 .47 22 12 13 1600 33 98 8 13 23 159 .01 .48 21 12 13 1700 32 98 8 13 22 155 0 .48 21 12 13 1800 33 98 7 13 22 158 .01 .49 21 12 13 1900 33 98 7 14 24 158 .01 .5 21 12 13 2000 33 98 8 15 25 158 0 .5 22 12 13 2100 33 98 -0 17 33 159 0 .5 22 12 13 2200 33 98 10 19 32 163 0 .5 22 12 13 2300 33 98 10 18 32 165 .01 .51 20 12 14 0 34 98 10 20 38 164 0 .51 19 12 14 100 34 98 13 22 41 166 .01 .52 21 12 14 200 33 98 15 24 38 170 .05 .57 18 12 14 300 31 79 21 31 55 176 0 .57 21 12 14 400 30 70 17 31 59 173 .01 .58 21 Total Prec. 5250' ------------------------------------------------------------ .58 Page 1 12-14-2018 Northwest Avalanche Center Mt Baker Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 5020' 4210' 5020' 4210' 5020' 5020' 5020' 5020' 4210' 4210' 4210' 4210' ------------------------------------------------------------------------------------ 12 13 500 28 30 100 100 18 25 36 201 .16 .16 17 61 12 13 600 28 31 100 100 18 26 35 198 .18 .34 29 63 12 13 700 28 31 100 100 19 25 36 197 .2 .54 1 64 12 13 800 29 31 100 100 18 24 30 195 .15 .69 1 65 12 13 900 30 32 100 100 20 27 35 194 .12 .81 4 66 12 13 1000 30 32 100 100 18 26 37 192 .11 .92 4 65 12 13 1100 30 32 100 100 17 25 35 190 .08 1 3 64 12 13 1200 30 32 100 100 18 25 33 188 .1 1.1 6 66 12 13 1300 30 32 100 100 18 24 31 188 .12 1.22 6 67 12 13 1400 30 32 100 100 18 26 32 188 .15 1.37 7 68 12 13 1500 30 32 100 100 13 24 32 188 .06 1.43 8 67 12 13 1600 31 33 100 100 16 21 30 187 .05 1.48 8 68 12 13 1700 31 34 100 100 15 20 25 184 .04 1.52 8 67 12 13 1800 32 34 100 100 14 19 26 184 .01 1.53 8 66 12 13 1900 32 35 100 99 12 18 27 184 .03 1.56 8 66 12 13 2000 32 35 100 98 4 12 20 193 .12 1.68 7 65 12 13 2100 32 35 100 97 6 13 22 214 .15 1.83 7 64 12 13 2200 31 35 100 85 12 32 74 247 .04 1.87 6 64 12 13 2300 31 34 100 89 2 21 45 250 .01 1.88 6 63 12 14 0 30 35 100 80 3 13 28 250 .01 1.89 6 63 12 14 100 28 32 100 97 3 16 38 250 .04 1.93 5 62 12 14 200 29 32 100 91 4 16 40 251 .09 2.02 6 63 12 14 300 29 33 100 84 4 19 68 251 .04 2.06 8 64 12 14 400 30 35 100 58 3 13 38 251 0 2.06 8 64 Total Prec. 4210' ------------------------------------------------------------------------ 2.06 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Washington Pass, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Equip Hour Total Total PST F F % % Avg Max Dir Temp Prec. Prec. Snow 6680' 5450' 6680' 5450' 6680' 6680' 6680' 5450' 5450' 5450' 5450' ------------------------------------------------------------------------------ 12 13 500 25 28 98 93 15 19 239 55 .03 .03 42 12 13 600 26 29 98 94 16 19 233 56 .03 .06 42 12 13 700 27 29 98 94 15 18 239 56 .05 .11 43 12 13 800 27 30 98 95 16 20 236 56 .03 .14 42 12 13 900 28 31 100 91 15 20 243 55 0 .14 43 12 13 1000 30 32 99 88 14 17 237 53 0 .14 43 12 13 1100 30 32 98 93 12 17 243 56 .01 .15 42 12 13 1200 29 32 99 93 12 16 236 56 .02 .17 42 12 13 1300 29 32 99 93 13 17 236 56 .01 .18 42 12 13 1400 29 32 99 93 15 20 229 55 .01 .19 41 12 13 1500 30 32 99 93 16 20 232 54 .01 .2 41 12 13 1600 30 31 99 93 14 22 244 53 0 .2 42 12 13 1700 30 31 99 94 12 18 246 55 0 .2 41 12 13 1800 30 31 100 93 11 17 236 53 0 .2 41 12 13 1900 30 28 99 94 14 18 226 54 .01 .21 41 12 13 2000 31 28 100 94 14 19 224 54 .01 .22 42 12 13 2100 30 27 99 94 13 16 226 54 0 .22 42 12 13 2200 29 27 99 94 17 23 226 52 .01 .23 41 12 13 2300 27 27 98 93 14 20 229 53 0 .23 41 12 14 0 26 26 96 95 17 21 228 53 0 .23 41 12 14 100 25 26 97 95 20 28 218 51 0 .23 41 12 14 200 24 27 98 94 18 25 219 54 0 .23 40 12 14 300 25 28 96 90 21 30 216 50 .01 .24 40 12 14 400 25 25 95 94 16 21 219 51 0 .24 39 Total Prec. 5450' ------------------------------------------------------------------------ .24 Page 1 12-14-2018 Northwest Avalanche Center Freestone Inn, Mazama, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Solar Wind Wind Wind Hour Total 24 Hr Total PST F % W/m2 Avg Max Dir Prec. Prec. Snow Snow 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' ------------------------------------------------------------------------ 12 13 500 31 97 0 0 0 0 0 0 -0 12 12 13 600 30 97 0 0 0 0 0 0 -0 13 12 13 700 31 97 0 0 0 0 0 0 -0 12 12 13 800 31 97 0 0 0 0 0 0 -0 12 12 13 900 32 97 3 0 2 76 0 0 -0 112 12 13 1000 33 96 3 0 0 118 0 0 45 11 12 13 1100 33 96 3 0 0 0 0 0 -0 12 12 13 1200 34 94 5 0 0 0 0 0 -0 12 12 13 1300 35 95 5 0 0 0 0 0 0 13 12 13 1400 35 95 6 0 0 0 .01 .01 0 13 12 13 1500 35 95 1 0 0 0 0 .01 0 13 12 13 1600 33 96 -0 0 0 331 0 .01 -0 13 12 13 1700 33 96 0 0 0 0 0 .01 -0 12 12 13 1800 33 97 0 0 0 0 0 .01 -0 12 12 13 1900 33 97 0 0 0 46 0 .01 -0 12 12 13 2000 33 97 -0 0 0 72 0 .01 -0 12 12 13 2100 33 97 0 0 1 215 0 .01 -0 12 12 13 2200 33 97 0 0 2 214 0 .01 -0 12 12 13 2300 33 97 0 0 0 0 0 .01 -0 12 12 14 0 33 97 0 0 0 205 0 .01 -0 12 12 14 100 33 97 -0 0 0 233 0 .01 -0 12 12 14 200 33 97 -0 0 0 0 0 .01 -0 12 12 14 300 33 97 -0 0 0 0 0 .01 -0 12 12 14 400 32 98 0 0 0 0 0 .01 -0 12 Total Prec. 2170' ------------------------------------------------------------ .01 Page 1 12-14-2018 Northwest Avalanche Center Tye Mill (5180'), Skyline (5250') Stevens Pass Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp Wind Wind Wind Wind PST F F Min Avg Max Dir 5180' 5250' 5180' 5180' 5180' 5180' ------------------------------------------------ 12 13 500 30 31 0 5 11 285 12 13 600 30 31 0 5 10 271 12 13 700 31 31 0 4 11 274 12 13 800 31 31 0 3 13 297 12 13 900 31 31 0 3 11 274 12 13 1000 32 31 0 3 11 280 12 13 1100 31 32 0 3 12 291 12 13 1200 31 31 0 2 10 290 12 13 1300 31 32 0 3 8 274 12 13 1400 32 33 0 4 10 274 12 13 1500 32 33 0 3 9 270 12 13 1600 32 33 0 3 9 273 12 13 1700 33 33 0 2 7 269 12 13 1800 34 34 0 2 7 80 12 13 1900 34 34 0 4 9 97 12 13 2000 34 34 0 4 12 137 12 13 2100 35 34 0 5 13 106 12 13 2200 34 32 0 4 15 96 12 13 2300 32 32 3 7 12 91 12 14 0 33 33 0 8 15 94 12 14 100 32 34 0 8 14 90 12 14 200 31 32 4 7 11 97 12 14 300 30 31 6 9 14 100 12 14 400 29 33 6 9 14 99 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Schmidt Haus Stevens Pass, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 3950' 3950' 3950' 3950' 3950' 3950' 3950' ------------------------------------------------------ 12 13 500 32 95 .03 .03 11 40 1015 12 13 600 33 96 .02 .05 0 41 1014 12 13 700 33 96 .03 .08 0 41 1015 12 13 800 33 95 .03 .11 0 41 1016 12 13 900 33 95 .03 .14 0 41 1016 12 13 1000 33 95 .03 .17 0 40 1015 12 13 1100 33 94 .02 .19 0 39 1016 12 13 1200 33 94 .03 .22 0 39 1015 12 13 1300 34 94 .02 .24 0 39 1014 12 13 1400 34 94 .03 .27 1 39 1014 12 13 1500 33 94 .03 .3 0 39 1014 12 13 1600 33 95 .02 .32 0 38 1014 12 13 1700 33 95 .02 .34 0 38 1014 12 13 1800 33 96 .03 .37 0 38 1014 12 13 1900 33 96 .01 .38 1 38 1014 12 13 2000 33 97 0 .38 0 37 1014 12 13 2100 34 96 0 .38 1 37 1013 12 13 2200 33 97 0 .38 1 37 1013 12 13 2300 33 97 0 .38 1 37 1013 12 14 0 33 97 0 .38 0 37 1013 12 14 100 33 97 0 .38 0 37 1011 12 14 200 33 97 0 .38 0 36 1012 12 14 300 33 97 0 .38 0 36 1012 12 14 400 33 96 0 .38 1 36 1010 Total Prec. 3950' ------------------------------------ .38 Page 1 12-14-2018 Northwest Avalanche Center Stevens Pass Ski Area Brooks Chair Stevens Pass, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total PST F % Avg Max Dir Prec. Prec. Snow Snow 4850' 4850' 4850' 4850' 4850' 4800' 4800' 4800' 4800' ------------------------------------------------------------------ 12 13 500 31 100 0 7 256 .12 .12 0 56 12 13 600 32 100 0 3 251 .1 .22 1 57 12 13 700 32 100 4 12 241 .15 .37 2 57 12 13 800 32 100 8 16 219 .06 .43 2 58 12 13 900 32 100 6 16 227 .05 .48 1 58 12 13 1000 32 100 3 11 222 .03 .51 3 58 12 13 1100 33 100 6 14 218 .03 .54 3 58 12 13 1200 33 100 6 14 225 .03 .57 3 57 12 13 1300 33 100 2 8 248 .01 .58 3 54 12 13 1400 33 100 2 7 249 .02 .6 4 58 12 13 1500 33 100 3 15 247 .02 .62 4 58 12 13 1600 33 100 6 14 238 .01 .63 4 57 12 13 1700 34 100 5 12 228 .03 .66 4 57 12 13 1800 34 100 0 5 219 .04 .7 3 56 12 13 1900 34 100 0 7 120 0 .7 3 56 12 13 2000 33 97 1 8 86 0 .7 4 56 12 13 2100 31 100 1 10 39 0 .7 4 55 12 13 2200 34 59 0 5 81 0 .7 4 55 12 13 2300 32 89 2 11 91 0 .7 3 54 12 14 0 35 63 5 14 60 0 .7 3 54 12 14 100 32 71 3 9 85 0 .7 3 54 12 14 200 32 86 8 14 60 0 .7 3 54 12 14 300 30 100 8 13 57 0 .7 3 54 12 14 400 32 84 8 13 70 0 .7 3 54 Total Prec. 4800' ------------------------------------------------------ .7 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Grace Lakes + Old Faithful Wind, Stevens Pass, Washington Grace Lakes battery is dead, station down MM/DD Hour Temp RH Wind Wind Wind Total Shot PST F % Avg Max Dir Snow Snow 4790' 4790' 4590' 4590' 4590' 4790' 4790' ------------------------------------------------------ 12 13 500 0 0 0 12 13 600 0 0 0 12 13 700 0 0 0 12 13 800 0 0 0 12 13 900 0 0 0 12 13 1000 0 0 326 12 13 1100 0 0 316 12 13 1200 0 0 293 12 13 1300 0 0 0 12 13 1400 0 7 284 12 13 1500 1 11 295 12 13 1600 1 10 262 12 13 1700 1 8 276 12 13 1800 0 5 241 12 13 1900 0 3 173 12 13 2000 1 7 261 12 13 2100 1 5 228 12 13 2200 0 4 82 12 13 2300 0 6 243 12 14 0 2 7 206 12 14 100 2 7 246 12 14 200 3 10 189 12 14 300 4 11 192 12 14 400 4 12 189 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Berne Snow Camp 8 miles east of Stevens Pass, Washington Dec 2018: Intermittent comm issues MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 2700' 2700' 2700' 2700' 2700' 2700' 2700' ------------------------------------------------------ 12 13 500 33 94 .11 .11 5 27 1014 12 13 600 33 94 .11 .22 5 27 1014 12 13 700 33 94 .07 .29 5 26 1014 12 13 800 33 94 .03 .32 0 26 1015 12 13 900 33 94 .07 .39 0 25 1015 12 13 1000 34 93 .01 .4 0 25 1015 12 13 1100 35 93 .04 .44 0 25 1015 12 13 1200 35 93 .03 .47 0 25 1014 12 13 1300 36 92 .02 .49 0 24 1014 12 13 1400 36 92 .01 .5 0 23 1014 12 13 1500 36 93 .02 .52 0 24 1014 12 13 1600 35 93 0 .52 0 22 1013 12 13 1700 34 93 .02 .54 0 23 1014 12 13 1800 34 94 .03 .57 0 23 1014 12 13 1900 33 93 .01 .58 0 23 1014 12 13 2000 33 94 0 .58 0 23 1014 12 13 2100 32 94 0 .58 0 23 1014 12 13 2200 32 94 0 .58 0 23 1013 12 13 2300 32 94 0 .58 0 22 1013 12 14 0 33 94 0 .58 0 22 1013 12 14 100 33 94 0 .58 0 22 1012 12 14 200 32 94 0 .58 0 23 1012 12 14 300 33 94 0 .58 0 23 1012 12 14 400 33 94 0 .58 0 23 1011 Total Prec. 2700' ------------------------------------ .58 Page 1 12-14-2018 Northwest Avalanche Center Dirty Face Mountain, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 5980' 5980' 5980' 5980' 5980' 5980' ------------------------------------------------ 12 13 500 29 94 0 0 0 232 12 13 600 29 95 0 0 0 231 12 13 700 29 95 0 0 0 233 12 13 800 29 94 0 0 0 236 12 13 900 29 94 0 0 0 247 12 13 1000 30 94 0 0 0 234 12 13 1100 31 93 0 0 0 242 12 13 1200 29 94 0 0 0 244 12 13 1300 29 94 0 0 0 245 12 13 1400 31 94 0 0 0 254 12 13 1500 31 95 0 0 0 245 12 13 1600 31 94 0 0 0 243 12 13 1700 31 94 0 0 0 251 12 13 1800 32 94 0 0 0 247 12 13 1900 32 94 0 0 0 251 12 13 2000 32 94 0 0 0 251 12 13 2100 32 94 0 0 0 251 12 13 2200 30 93 0 0 0 255 12 13 2300 28 92 0 0 0 287 12 14 0 28 92 0 0 0 284 12 14 100 28 92 0 0 0 257 12 14 200 27 92 0 0 0 271 12 14 300 27 92 0 0 0 108 12 14 400 26 91 0 0 0 114 Page 1 12-14-2018 Northwest Avalanche Center Lake Wenatchee State Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' ------------------------------------------------------------------------ 12 13 500 33 97 0 0 0 36 .09 .09 3 19 12 13 600 33 97 0 0 0 42 .07 .16 4 18 12 13 700 33 97 0 0 0 325 .05 .21 3 18 12 13 800 33 97 0 0 0 276 .01 .22 0 18 12 13 900 33 97 0 0 0 358 .02 .24 0 17 12 13 1000 34 97 0 0 0 355 .01 .25 0 17 12 13 1100 36 95 0 0 0 268 0 .25 0 17 12 13 1200 37 94 0 0 0 159 0 .25 0 17 12 13 1300 37 95 0 0 0 147 .01 .26 0 16 12 13 1400 36 95 0 0 0 148 .01 .27 0 16 12 13 1500 36 96 0 0 0 150 .01 .28 0 16 12 13 1600 35 97 0 0 0 150 .01 .29 0 15 12 13 1700 35 97 0 0 0 139 0 .29 0 15 12 13 1800 35 97 0 0 0 123 .02 .31 0 15 12 13 1900 34 97 0 0 0 126 .01 .32 0 14 12 13 2000 34 97 0 0 0 128 0 .32 0 14 12 13 2100 34 97 0 0 0 128 0 .32 0 14 12 13 2200 33 97 0 0 0 128 0 .32 0 14 12 13 2300 34 97 0 0 0 128 0 .32 0 14 12 14 0 33 97 0 0 0 128 0 .32 0 13 12 14 100 34 98 0 0 0 127 0 .32 0 13 12 14 200 33 98 0 0 0 137 0 .32 0 14 12 14 300 34 97 0 0 0 137 0 .32 0 13 12 14 400 34 97 0 0 0 137 0 .32 0 13 Total Prec. 1930' ------------------------------------------------------------ .32 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Tumwater Mountain, Leavenworth, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Total PST F % Avg Max Dir Snow 4180' 4180' 4180' 4180' 4180' 4180' ------------------------------------------------ 12 13 500 31 74 1 7 327 15 12 13 600 31 69 2 15 60 17 12 13 700 31 67 0 5 69 17 12 13 800 32 65 0 3 116 17 12 13 900 32 65 0 5 124 17 12 13 1000 33 62 0 8 145 17 12 13 1100 36 75 0 6 126 16 12 13 1200 33 78 5 12 113 16 12 13 1300 34 70 5 10 127 16 12 13 1400 33 100 3 10 137 16 12 13 1500 34 100 0 6 155 16 12 13 1600 34 100 0 5 202 16 12 13 1700 33 100 0 7 196 16 12 13 1800 33 100 2 10 161 16 12 13 1900 34 100 3 12 153 16 12 13 2000 34 100 1 7 127 15 12 13 2100 34 100 0 6 203 16 12 13 2200 34 97 0 4 106 15 12 13 2300 33 100 0 2 45 15 12 14 0 33 100 0 2 204 15 12 14 100 33 100 0 4 313 15 12 14 200 33 100 0 3 74 15 12 14 300 33 95 0 3 151 15 12 14 400 32 66 1 7 178 15 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Mt Washington, Washington Approx 6 mi SE of North Bend Wind direction unheated and may rime MM/DD Hour Batt Temp Wind Solar PST Volt Deg F Dir W/m2 4340' 4340' 4340' 4340' ------------------------------------------------ 12 13 500 12.5 31 222 0 12 13 600 12.5 31 221 0 12 13 700 12.5 31 229 0 12 13 800 12.5 31 214 0 12 13 900 12.5 31 227 3 12 13 1000 12.7 31 226 8 12 13 1100 12.8 31 228 8 12 13 1200 12.8 30 226 8 12 13 1300 12.8 31 216 8 12 13 1400 12.8 31 208 8 12 13 1500 12.7 32 201 7 12 13 1600 12.6 33 202 4 12 13 1700 12.5 35 208 0 12 13 1800 12.5 36 199 0 12 13 1900 12.5 34 205 0 12 13 2000 12.5 32 189 0 12 13 2100 12.5 36 197 0 12 13 2200 12.5 38 197 0 12 13 2300 12.5 39 193 0 12 14 0 12.5 40 207 0 12 14 100 12.5 41 183 0 12 14 200 12.5 42 191 0 12 14 300 12.5 43 188 0 12 14 400 12.5 43 186 0 Page 1 12-14-2018 Northwest Avalanche Center Alpental Ski Area, Washington Nov 19: wind measurements using new RMYoung instrument summit Denny Mtn 5520' RMYoung unheated and may rime 3100' total snowdepth calibrated 12/12/18 11:00 MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total 24 Hr Total Inter PST F F F % % Avg Max Dir. Prec. Prec. Snow Snow Snow Snow Snow 5470' 4350' 3100' 3100' 5470' 5520' 5520' 5520' 3100' 3100' 3100' 3100' 4350' 4350' 5470' ------------------------------------------------------------------------------------------------------ 12 13 500 29 30 31 100 100 0 0 225 0 0 7 27 8 283 -133 12 13 600 29 31 32 100 100 0 0 233 0 0 7 32 8 283 -139 12 13 700 30 32 32 100 100 0 0 234 0 0 7 31 8 55 -155 12 13 800 30 32 32 99 100 0 0 233 0 0 0 31 8 55 -157 12 13 900 29 32 32 100 100 0 0 228 0 0 0 31 8 54 -158 12 13 1000 29 32 33 99 100 0 0 216 0 0 0 31 8 52 -147 12 13 1100 29 33 35 95 100 0 0 210 0 0 0 31 8 51 -131 12 13 1200 29 33 34 97 100 0 0 204 0 0 0 30 9 53 -109 12 13 1300 31 33 33 99 100 0 0 202 .6 .6 0 30 9 53 -117 12 13 1400 31 32 33 99 100 0 0 191 .06 .66 0 30 9 55 -142 12 13 1500 32 33 33 99 100 6 16 201 .02 .68 0 30 9 54 -161 12 13 1600 32 32 32 99 100 7 12 220 .03 .71 0 30 9 53 -176 12 13 1700 32 32 33 100 100 8 13 213 .07 .78 0 30 8 53 -183 12 13 1800 32 32 33 100 100 10 15 211 0 .78 0 29 8 53 -192 12 13 1900 32 32 33 100 100 9 14 206 0 .78 0 29 8 52 -194 12 13 2000 32 32 33 100 100 11 16 176 0 .78 0 29 9 52 -200 12 13 2100 31 33 32 100 89 14 18 172 0 .78 0 29 9 53 -232 12 13 2200 30 32 32 100 84 15 18 157 0 .78 0 29 8 52 -224 12 13 2300 30 32 32 100 76 16 19 158 0 .78 0 29 8 52 -230 12 14 0 31 31 32 100 65 17 24 180 0 .78 0 29 8 52 -242 12 14 100 30 31 32 100 67 15 19 161 0 .78 0 29 8 52 -233 12 14 200 30 30 32 100 62 16 20 155 0 .78 0 29 8 52 -235 12 14 300 31 29 32 100 65 17 21 156 0 .78 0 29 8 52 -224 12 14 400 31 29 32 100 59 17 22 147 0 .78 0 29 8 51 -215 Total Prec. 3100' ------------------------------------------------------------------------ .78 Page 1 12-14-2018 Northwest Avalanche Center Alpental Ski Area, Washington Gill gage on summit building HT wind gages on summit, unheated and may rime TEST...TEST...TEST...TEST...TEST...TEST MM/DD Hour Gill Gill Gill Gill# HT HT HT PST Avg Max Dir. Max Avg Max Dir. 5470' 5470' 5470' 1177 5520' 5520' 5520' ------------------------------------------------------ 12 13 500 12 13 600 12 13 700 12 13 800 12 13 900 12 13 1000 12 13 1100 12 13 1200 12 13 1300 12 13 1400 12 13 1500 12 13 1600 12 13 1700 12 13 1800 12 13 1900 12 13 2000 12 13 2100 12 13 2200 12 13 2300 12 14 0 12 14 100 12 14 200 12 14 300 12 14 400 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Snoqualmie Pass, Washington 3770' temp above Lake Keechelus MM/DD Hour Temp Temp Temp RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F F % Avg Max Dir Prec. Prec. Snow Snow mb 3760' 3770' 3010' 3010' 3760' 3760' 3760' 3010' 3010' 3010' 3010' 3010' ------------------------------------------------------------------------------------ 12 13 500 29 29 31 97 11 14 112 .12 .12 7 25 1018 12 13 600 31 30 31 97 6 12 79 .14 .26 7 29 1018 12 13 700 32 31 31 97 6 8 77 .2 .46 8 31 1018 12 13 800 32 32 32 97 4 8 141 .14 .6 2 31 1018 12 13 900 33 32 32 97 7 23 204 .03 .63 2 30 1019 12 13 1000 34 33 33 96 5 15 240 .06 .69 1 29 1018 12 13 1100 36 33 34 95 3 7 72 0 .69 1 29 1018 12 13 1200 36 33 34 95 5 8 75 0 .69 1 29 1018 12 13 1300 36 34 33 95 5 8 112 .01 .7 1 28 1017 12 13 1400 34 34 33 96 7 11 105 .05 .75 1 28 1017 12 13 1500 35 34 33 96 8 12 117 .03 .78 1 29 1017 12 13 1600 34 33 32 97 12 18 107 .04 .82 1 28 1017 12 13 1700 33 32 32 97 15 23 113 .05 .87 0 29 1017 12 13 1800 32 32 32 97 13 17 106 .01 .88 0 29 1017 12 13 1900 31 32 32 98 13 19 96 0 .88 0 29 1017 12 13 2000 32 31 32 98 14 19 106 0 .88 0 28 1016 12 13 2100 31 31 32 98 12 18 102 0 .88 0 28 1016 12 13 2200 30 30 32 98 11 17 95 0 .88 0 28 1016 12 13 2300 30 30 32 98 10 14 93 0 .88 0 28 1016 12 14 0 30 30 32 98 11 16 96 0 .88 0 28 1015 12 14 100 30 30 32 98 10 14 88 0 .88 0 28 1014 12 14 200 30 31 32 98 10 15 87 0 .88 0 28 1014 12 14 300 30 30 32 98 11 15 96 0 .88 0 28 1014 12 14 400 30 30 32 98 12 17 98 0 .88 0 28 1013 Total Prec. 3010' ------------------------------------------------------------------ .88 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Blewett Pass, WA Precipitation gauge occasionally measures condensation inside gage 12-10-18:Precip gauge not heated, not melting snow MM/DD Hour Temp RH Equip Hour Total 24 Hr Total Press PST F % Temp Prec. Prec. Snow Snow mb 4100' 4100' 4100' 4100' 4100' 4100' 4100' 4100' ------------------------------------------------------------ 12 13 500 32 100 31 0 0 2 16 1015 12 13 600 32 100 32 0 0 2 17 1015 12 13 700 33 100 32 0 0 0 18 1015 12 13 800 33 100 32 0 0 0 21 1015 12 13 900 34 100 32 0 0 0 18 1016 12 13 1000 35 95 34 0 0 0 18 1016 12 13 1100 36 88 43 .01 .01 0 17 1015 12 13 1200 36 81 44 .07 .08 0 17 1015 12 13 1300 35 78 39 .05 .13 0 17 1015 12 13 1400 34 81 35 .02 .15 0 18 1015 12 13 1500 35 81 35 .01 .16 0 18 1015 12 13 1600 34 82 33 .01 .17 0 18 1015 12 13 1700 33 90 33 0 .17 0 18 1015 12 13 1800 32 94 31 .01 .18 0 17 1015 12 13 1900 30 100 30 0 .18 0 17 1015 12 13 2000 30 100 29 0 .18 0 17 1015 12 13 2100 30 100 29 0 .18 0 17 1014 12 13 2200 29 100 28 0 .18 0 17 1014 12 13 2300 29 100 28 0 .18 0 17 1014 12 14 0 29 100 28 0 .18 0 17 1014 12 14 100 29 100 29 0 .18 0 17 1013 12 14 200 30 100 29 0 .18 0 17 1013 12 14 300 28 100 27 0 .18 0 17 1013 12 14 400 27 100 26 0 .18 0 17 1012 Total Prec. 4100' ------------------------------------------ .18 Page 1 12-14-2018 Northwest Avalanche Center Mission Ridge Ski Area, Washington MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total PST F F F % % Avg Max Dir Prec. Prec. Snow Snow 6730' 5160' 4610' 6730' 5160' 6730' 6730' 6730' 5160' 5160' 5160' 5160' ------------------------------------------------------------------------------------ 12 13 500 26 30 32 95 100 45 65 247 0 0 1 124 12 13 600 26 30 32 95 100 44 59 248 .01 .01 1 124 12 13 700 26 29 32 95 100 45 61 253 0 .01 0 124 12 13 800 28 31 34 96 100 39 57 252 0 .01 0 10 12 13 900 26 31 34 95 100 38 57 244 0 .01 0 10 12 13 1000 28 33 37 96 99 40 57 255 0 .01 0 10 12 13 1100 31 34 38 96 95 39 58 257 0 .01 0 10 12 13 1200 30 35 39 95 88 40 71 260 0 .01 0 12 12 13 1300 29 35 39 95 84 36 52 260 0 .01 0 11 12 13 1400 28 34 38 95 85 36 60 258 0 .01 0 11 12 13 1500 28 34 38 95 84 34 50 253 0 .01 0 11 12 13 1600 27 34 37 95 89 33 45 250 0 .01 0 11 12 13 1700 29 34 37 96 97 33 42 249 0 .01 0 10 12 13 1800 30 35 38 97 97 36 48 246 0 .01 0 9 12 13 1900 30 35 38 97 98 32 44 249 0 .01 0 12 12 13 2000 27 34 38 95 91 37 55 245 0 .01 0 13 12 13 2100 25 33 37 94 77 34 50 247 0 .01 0 12 12 13 2200 26 32 36 91 77 36 48 244 0 .01 0 12 12 13 2300 26 32 36 89 77 33 42 239 0 .01 0 13 12 14 0 26 31 35 86 80 36 44 241 0 .01 0 12 12 14 100 27 31 35 85 82 35 43 240 0 .01 0 12 12 14 200 27 31 36 83 83 34 43 238 0 .01 0 13 12 14 300 27 31 36 80 82 33 42 233 0 .01 0 13 12 14 400 27 31 36 80 78 34 42 238 0 .01 0 13 Total Prec. 5160' ------------------------------------------------------------------------ .01 Page 1 12-14-2018 Northwest Avalanche Center Crystal Mountain Ski Area, Washington MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 6830' 4570' 6830' 4570' 6830' 6830' 6830' 6830' 4310' 4310' 4570' 4570' ------------------------------------------------------------------------------------ 12 13 500 26 32 99 85 20 32 47 228 .01 .01 3 17 12 13 600 27 33 99 91 15 30 46 227 0 .01 3 15 12 13 700 27 32 99 96 16 27 38 228 .01 .02 0 16 12 13 800 25 32 98 87 16 32 44 222 .01 .03 0 16 12 13 900 24 31 97 91 18 30 42 225 0 .03 0 16 12 13 1000 25 31 97 91 16 29 44 225 0 .03 0 15 12 13 1100 26 33 97 67 8 25 42 220 .01 .04 0 15 12 13 1200 26 32 97 85 12 27 40 222 0 .04 0 15 12 13 1300 28 32 99 92 12 23 45 225 0 .04 0 15 12 13 1400 30 33 99 93 10 24 37 221 0 .04 0 15 12 13 1500 31 33 100 94 6 17 30 218 0 .04 0 15 12 13 1600 31 33 100 95 8 21 36 216 0 .04 0 17 12 13 1700 31 33 100 94 12 28 48 225 0 .04 0 15 12 13 1800 28 34 96 83 4 14 40 132 0 .04 0 16 12 13 1900 27 33 96 62 4 13 44 148 0 .04 0 15 12 13 2000 25 34 93 52 9 30 61 208 0 .04 0 16 12 13 2100 25 33 93 59 13 37 58 222 0 .04 0 15 12 13 2200 26 29 87 90 11 29 50 222 0 .04 0 14 12 13 2300 27 30 84 92 11 21 39 215 0 .04 0 14 12 14 0 28 30 83 91 4 18 45 201 0 .04 0 14 12 14 100 28 30 79 92 6 15 35 182 0 .04 0 15 12 14 200 29 30 74 90 4 14 32 163 0 .04 0 15 12 14 300 29 29 56 83 3 15 38 181 0 .04 0 15 12 14 400 29 29 67 90 6 21 53 195 0 .04 0 15 Total Prec. 4310' ------------------------------------------------------------------------ .04 Page 1 12-14-2018 Northwest Avalanche Center Green Valley, Crystal Mountain Ski Area, Washington MM/DD Hour Temp 24 Hr Total PST F Snow Snow 6230' 6230' 6230' ------------------------------ 12 13 500 28 5 27 12 13 600 29 3 28 12 13 700 29 5 28 12 13 800 26 5 29 12 13 900 27 0 28 12 13 1000 29 0 28 12 13 1100 29 0 28 12 13 1200 31 0 28 12 13 1300 32 0 27 12 13 1400 32 0 27 12 13 1500 34 0 27 12 13 1600 33 0 27 12 13 1700 33 0 28 12 13 1800 29 0 27 12 13 1900 30 0 28 12 13 2000 30 0 28 12 13 2100 31 0 27 12 13 2200 32 0 27 12 13 2300 32 0 26 12 14 0 32 0 26 12 14 100 32 0 27 12 14 200 32 0 26 12 14 300 31 0 26 12 14 400 35 0 27 Page 1 12-14-2018 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime Dec.10th: Prec. gage heating not recording MM/DD Hour Temp Temp RH RH Wind Wind Wind Equip Hour Total Total PST F F % % Avg Max Dir Temp Prec. Prec. Snow 6240' 5500' 6240' 5500' 6240' 6240' 6240' 5500' 5500' 5500' 5500' ------------------------------------------------------------------------------ 12 13 500 24 26 97 100 13 17 231 46 .01 .01 377 12 13 600 25 26 97 99 11 16 231 48 0 .01 377 12 13 700 24 25 96 99 10 13 235 48 0 .01 63 12 13 800 22 25 96 97 12 19 234 48 0 .01 63 12 13 900 22 25 95 97 22 41 231 49 0 .01 59 12 13 1000 24 25 94 98 49 70 229 51 0 .01 62 12 13 1100 23 25 92 97 48 77 218 47 0 .01 59 12 13 1200 23 25 91 96 26 49 209 46 0 .01 62 12 13 1300 28 25 83 97 47 84 221 48 0 .01 62 12 13 1400 31 26 93 98 49 69 230 49 0 .01 62 12 13 1500 29 28 98 100 49 67 219 49 0 .01 62 12 13 1600 30 30 99 100 31 48 218 48 0 .01 62 12 13 1700 34 31 95 100 51 68 231 49 0 .01 62 12 13 1800 31 28 55 98 31 40 228 50 0 .01 62 12 13 1900 31 26 40 92 25 38 227 49 0 .01 63 12 13 2000 29 26 49 95 15 28 182 48 0 .01 62 12 13 2100 31 26 45 94 18 35 227 48 0 .01 62 12 13 2200 32 26 40 95 18 34 245 48 0 .01 62 12 13 2300 33 27 34 94 19 38 230 48 0 .01 61 12 14 0 34 27 34 92 18 37 226 48 0 .01 61 12 14 100 34 27 32 92 20 36 227 49 0 .01 61 12 14 200 34 27 31 92 27 53 229 48 0 .01 61 12 14 300 35 27 28 91 33 52 243 48 0 .01 61 12 14 400 36 28 27 91 31 54 234 48 0 .01 62 Total Prec. 5500' ------------------------------------------------------------------------ .01 Page 1 12-14-2018 Northwest Avalanche Center Sunrise, Mount Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Total PST F F % % Avg Max Dir Snow 6880' 6410' 6880' 6410' 6880' 6880' 6880' 6410' ------------------------------------------------------------ 12 13 500 28 25 100 96 13 25 210 40 12 13 600 32 28 100 98 17 28 244 296 12 13 700 27 26 100 96 17 36 248 43 12 13 800 23 23 97 95 13 21 175 43 12 13 900 21 22 95 94 15 25 160 42 12 13 1000 25 23 95 95 14 22 167 42 12 13 1100 26 25 82 94 11 16 170 42 12 13 1200 27 24 81 94 11 20 166 42 12 13 1300 28 26 88 95 9 15 147 42 12 13 1400 31 29 89 96 8 14 149 41 12 13 1500 33 30 95 96 7 20 333 42 12 13 1600 31 28 98 97 7 13 105 42 12 13 1700 30 30 99 97 9 14 142 41 12 13 1800 28 26 76 91 13 20 161 41 12 13 1900 27 24 55 90 11 18 156 41 12 13 2000 30 26 51 60 8 21 97 41 12 13 2100 31 27 47 67 7 21 28 41 12 13 2200 31 28 31 53 8 18 40 41 12 13 2300 32 30 41 53 11 24 13 41 12 14 0 34 31 42 50 11 22 314 41 12 14 100 32 32 45 45 16 38 207 40 12 14 200 35 33 33 37 21 34 220 40 12 14 300 35 34 32 34 24 36 249 40 12 14 400 35 35 28 28 21 31 185 40 Page 1 12-14-2018 Northwest Avalanche Center Paradise, Mt Rainier National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total Solar PST F % Avg Max Dir Prec. Prec. Snow Snow W/m2 5400' 5400' 5380' 5380' 5380' 5400' 5400' 5400' 5400' 5380' ------------------------------------------------------------------------ 12 13 500 27 97 7 18 271 .13 .13 15 59 0 12 13 600 28 95 11 21 286 .14 .27 15 58 0 12 13 700 27 95 12 20 274 .13 .4 15 58 0 12 13 800 27 91 11 20 276 .08 .48 14 57 0 12 13 900 28 89 13 21 281 .03 .51 15 57 43 12 13 1000 28 89 9 21 278 0 .51 14 56 98 12 13 1100 31 90 7 14 265 0 .51 14 55 196 12 13 1200 30 87 6 11 267 0 .51 14 56 234 12 13 1300 30 88 7 13 272 0 .51 14 55 118 12 13 1400 29 93 6 9 268 0 .51 14 55 71 12 13 1500 31 98 6 11 267 .06 .57 14 58 28 12 13 1600 33 99 8 16 273 .02 .59 14 56 19 12 13 1700 34 94 10 16 270 0 .59 14 55 0 12 13 1800 32 60 11 21 258 0 .59 14 67 0 12 13 1900 31 64 6 16 217 0 .59 14 67 0 12 13 2000 31 56 4 14 256 0 .59 14 67 0 12 13 2100 32 63 6 11 252 0 .59 14 55 0 12 13 2200 33 60 9 21 268 0 .59 14 55 0 12 13 2300 34 59 9 18 281 0 .59 13 54 0 12 14 0 35 55 9 20 291 0 .59 13 56 0 12 14 100 35 56 9 21 296 0 .59 13 54 0 12 14 200 33 59 11 18 295 0 .59 13 55 0 12 14 300 36 40 9 16 298 0 .59 13 54 0 12 14 400 36 45 8 22 330 0 .59 13 54 0 Total Prec. 5400' ------------------------------------------------------ .59 Page 1 12-14-2018 Northwest Avalanche Center Camp Muir, Mt Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind Solar PST F % Min Avg Max Dir w/m2 10110' 10110' 10110' 10110' 10110' 10110' 10110' --------------------------------------------------------------- 12 13 500 16 95 25 41 64 230 0 12 13 600 20 98 29 45 62 229 0 12 13 700 16 93 31 42 53 229 0 12 13 800 12 75 29 37 49 229 2 12 13 900 15 56 20 35 50 229 48 12 13 1000 15 50 16 35 49 229 108 12 13 1100 17 85 18 32 48 229 175 12 13 1200 20 97 14 33 50 230 149 12 13 1300 20 97 28 38 50 234 93 12 13 1400 22 97 25 32 40 235 107 12 13 1500 22 98 17 27 36 233 84 12 13 1600 22 97 0 7 26 233 38 12 13 1700 20 96 0 0 0 233 2 12 13 1800 16 37 0 0 0 234 0 12 13 1900 16 23 0 0 0 234 0 12 13 2000 15 29 0 0 0 234 0 12 13 2100 15 33 0 0 0 234 0 12 13 2200 15 34 0 0 0 235 0 12 13 2300 14 46 0 0 0 236 0 12 14 0 15 45 0 0 0 236 0 12 14 100 15 30 0 0 0 236 0 12 14 200 16 39 0 0 0 236 0 12 14 300 16 49 0 0 0 236 0 12 14 400 18 39 0 0 0 236 0 Page 1 12-14-2018 Northwest Avalanche Center White Pass Ski Area, Washington 12-10-18:Wind direction not heating New base station install planned for Dec '18 MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total Total PST F F % % Min Avg Max Dir Prec. Prec. Snow 5800' 4470' 5800' 4470' 5970' 5970' 5970' 5970' 5800' 5800' 5800' ------------------------------------------------------------------------------ 12 13 500 25 97 26 47 77 245 0 0 40 12 13 600 25 96 18 35 70 245 0 0 39 12 13 700 24 96 21 34 48 245 .01 .01 39 12 13 800 23 96 15 26 51 245 0 .01 39 12 13 900 23 94 16 24 45 245 0 .01 39 12 13 1000 24 94 16 28 43 245 0 .01 39 12 13 1100 25 94 13 22 34 245 .01 .02 39 12 13 1200 26 92 13 22 35 245 0 .02 38 12 13 1300 27 93 12 19 32 245 .01 .03 38 12 13 1400 29 96 13 21 34 245 0 .03 38 12 13 1500 31 99 6 24 44 245 .01 .04 38 12 13 1600 32 98 6 22 40 245 .01 .05 38 12 13 1700 30 93 0 10 24 245 .02 .07 38 12 13 1800 26 90 4 10 22 245 .01 .08 38 12 13 1900 26 86 4 12 25 245 .01 .09 38 12 13 2000 26 84 2 12 41 245 .01 .1 39 12 13 2100 27 80 7 22 44 245 0 .1 39 12 13 2200 29 71 7 22 43 245 .01 .11 37 12 13 2300 29 78 6 26 51 245 0 .11 37 12 14 0 30 59 9 31 73 245 .01 .12 38 12 14 100 31 67 11 28 65 245 .01 .13 37 12 14 200 31 62 13 31 64 267 .01 .14 38 12 14 300 32 58 8 25 54 249 0 .14 37 12 14 400 32 53 3 17 47 235 .01 .15 38 Total Prec. 5800' ------------------------------------------------------------------------ .15 Page 1 12-14-2018 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington Wind exposed site may affect precipitation measurements Temperature sensor may have warm bias MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ 12 13 500 36 85 3 11 102 0 0 12 13 600 36 89 1 10 70 0 0 12 13 700 36 88 2 12 10 0 0 12 13 800 37 86 3 13 110 0 0 12 13 900 38 86 2 14 159 0 0 12 13 1000 39 81 4 13 161 0 0 12 13 1100 41 78 4 11 158 0 0 12 13 1200 41 81 5 18 159 0 0 12 13 1300 41 79 4 16 157 0 0 12 13 1400 42 73 5 14 164 0 0 12 13 1500 43 66 2 9 147 0 0 12 13 1600 42 64 2 10 130 0 0 12 13 1700 43 43 2 12 157 0 0 12 13 1800 44 44 6 15 146 0 0 12 13 1900 44 48 5 14 154 0 0 12 13 2000 45 45 5 16 159 0 0 12 13 2100 46 40 5 15 161 0 0 12 13 2200 47 43 6 16 160 0 0 12 13 2300 46 41 3 10 155 0 0 12 14 0 47 34 6 16 154 0 0 12 14 100 48 33 6 18 154 0 0 12 14 200 48 34 6 13 157 0 0 12 14 300 50 29 7 24 160 0 0 12 14 400 50 26 8 23 165 0 0 Total Prec. 3260' ------------------------------------------------------ 0 Page 1 12-14-2018 Northwest Avalanche Center Timberline Lodge, Oregon MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 5880' 5880' 6000' 6000' 6000' 6000' 5880' 5880' 5880' 5880' ------------------------------------------------------------------------ 12 13 500 25 94 6 13 25 305 0 0 2 34 12 13 600 25 89 6 12 26 304 0 0 2 35 12 13 700 25 88 5 11 19 302 0 0 2 34 12 13 800 24 88 5 11 20 302 0 0 2 34 12 13 900 26 85 4 11 24 301 0 0 0 34 12 13 1000 28 85 4 9 18 299 0 0 0 34 12 13 1100 29 81 4 9 16 298 0 0 0 34 12 13 1200 31 81 3 9 15 303 0 0 0 34 12 13 1300 32 72 3 8 15 297 0 0 0 34 12 13 1400 31 73 4 9 17 302 0 0 0 34 12 13 1500 31 71 2 7 19 297 0 0 0 33 12 13 1600 30 68 2 7 16 303 0 0 1 33 12 13 1700 31 67 0 6 16 306 0 0 0 33 12 13 1800 30 58 0 5 11 316 0 0 1 34 12 13 1900 32 51 0 5 12 306 0 0 0 33 12 13 2000 33 47 1 5 14 302 0 0 1 34 12 13 2100 34 44 -0 3 9 298 0 0 1 32 12 13 2200 34 41 -0 5 15 295 0 0 1 33 12 13 2300 35 34 0 4 14 294 0 0 0 33 12 14 0 35 33 0 5 14 297 0 0 0 32 12 14 100 36 32 -0 3 11 309 0 0 0 33 12 14 200 37 24 -0 2 9 290 0 0 1 33 12 14 300 37 31 -0 3 11 298 0 0 0 33 12 14 400 39 27 -0 4 15 293 0 0 0 31 Total Prec. 5880' ------------------------------------------------------------ 0 Page 1 12-14-2018 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon Wind direction out - no timetable for repairs Wind speed not heating and may rime MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7000' 7000' 7000' 7000' 7000' 7000' ------------------------------------------------ 12 13 500 22 97 28 40 60 221 12 13 600 22 97 27 38 54 226 12 13 700 21 97 21 37 53 226 12 13 800 21 97 23 37 56 220 12 13 900 22 96 22 38 55 217 12 13 1000 26 96 22 32 47 214 12 13 1100 26 96 22 32 51 229 12 13 1200 26 96 22 31 39 231 12 13 1300 27 95 19 30 43 229 12 13 1400 25 94 21 30 42 232 12 13 1500 25 93 19 30 46 234 12 13 1600 24 91 16 26 38 237 12 13 1700 24 88 9 21 40 235 12 13 1800 24 89 10 18 29 231 12 13 1900 25 89 10 19 31 232 12 13 2000 25 81 14 23 32 235 12 13 2100 27 72 14 22 35 232 12 13 2200 27 66 10 20 38 224 12 13 2300 27 57 14 23 41 232 12 14 0 28 58 15 23 37 235 12 14 100 28 52 8 20 31 238 12 14 200 29 47 8 15 26 239 12 14 300 30 48 11 19 33 241 12 14 400 31 40 8 17 37 238 Page 1 12-14-2018 Northwest Avalanche Center Mt Hood Meadows Ski Area, Oregon MM/DD Hour Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F % % Avg Max Dir Prec. Prec. Snow Snow mb 6540' 5380' 6540' 5380' 6540' 6540' 6540' 5380' 5380' 5380' 5380' 5380' ------------------------------------------------------------------------------------ 12 13 500 24 31 57 52 19 32 247 0 0 0 32 1018 12 13 600 24 32 52 49 18 30 236 0 0 0 32 1018 12 13 700 25 31 44 48 14 25 234 0 0 0 32 1018 12 13 800 26 31 43 44 17 31 240 0 0 0 32 1018 12 13 900 27 33 39 46 16 30 237 0 0 0 32 1018 12 13 1000 28 34 46 48 16 27 257 0 0 0 32 1019 12 13 1100 28 35 44 48 16 29 222 0 0 0 31 1019 12 13 1200 29 36 45 48 14 25 228 0 0 0 32 1018 12 13 1300 31 37 35 46 14 24 273 0 0 0 31 1017 12 13 1400 32 37 30 33 15 32 242 0 0 0 31 1017 12 13 1500 32 35 28 42 14 31 212 0 0 0 31 1017 12 13 1600 31 35 24 31 13 24 215 0 0 0 31 1017 12 13 1700 32 34 22 36 13 21 260 0 0 0 32 1017 12 13 1800 32 33 24 54 13 22 279 0 0 0 31 1016 12 13 1900 33 35 23 45 13 22 218 0 0 0 30 1016 12 13 2000 33 34 23 42 16 28 239 0 0 0 30 1016 12 13 2100 34 35 21 41 15 23 204 0 0 0 31 1015 12 13 2200 34 36 20 31 17 26 203 0 0 0 31 1015 12 13 2300 35 38 19 26 17 25 222 0 0 0 31 1015 12 14 0 35 39 17 28 16 25 234 0 0 0 30 1014 12 14 100 35 35 15 40 15 23 232 0 0 0 30 1014 12 14 200 36 36 17 34 16 24 237 0 0 0 31 1013 12 14 300 37 39 13 27 17 28 240 0 0 0 30 1013 12 14 400 37 35 15 50 17 25 203 0 0 0 30 1012 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 12-14-2018 Northwest Avalanche Center Top of Cascade Express, Mt Hood Meadows Ski Area, Oregon Wind gages heated but building structure may cause rime around instruments MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7300' 7300' 7300 7300' 7300' 7300' ------------------------------------------------ 12 13 500 21 90 18 41 61 247 12 13 600 20 87 15 37 56 243 12 13 700 20 70 18 35 50 237 12 13 800 20 73 16 38 58 240 12 13 900 22 66 12 37 56 233 12 13 1000 26 66 12 34 49 211 12 13 1100 24 64 17 35 50 190 12 13 1200 25 69 20 33 46 177 12 13 1300 26 58 15 34 50 184 12 13 1400 25 49 15 32 48 192 12 13 1500 26 45 9 32 47 177 12 13 1600 27 36 16 29 44 171 12 13 1700 27 36 14 28 43 174 12 13 1800 27 34 9 26 35 149 12 13 1900 29 31 9 27 39 154 12 13 2000 29 31 19 29 38 138 12 13 2100 30 30 17 29 38 125 12 13 2200 30 27 14 29 38 126 12 13 2300 30 27 12 30 43 123 12 14 0 31 23 14 31 40 114 12 14 100 31 24 15 28 39 104 12 14 200 32 23 10 26 36 114 12 14 300 33 21 13 29 39 107 12 14 400 33 21 12 28 37 101 Page 1 12-14-2018 Northwest Avalanche Center Ski Bowl Ski Area, Government Camp, Oregon MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total Total PST F F % % Min Avg Max Dir Prec. Prec. Snow 5010' 3660' 5010' 3660' 5010' 5010' 5010' 5010' 3660' 3660' 5010' ------------------------------------------------------------------------------ 12 13 500 31 31 63 98 0 3 6 251 0 0 17 12 13 600 32 31 68 98 0 2 6 245 0 0 17 12 13 700 30 30 75 98 0 4 9 244 0 0 17 12 13 800 31 29 66 98 0 2 5 270 0 0 18 12 13 900 32 29 68 98 0 3 7 227 0 0 18 12 13 1000 33 30 74 97 2 5 8 239 0 0 18 12 13 1100 35 32 73 97 2 5 8 246 0 0 17 12 13 1200 37 33 69 96 0 2 8 243 0 0 18 12 13 1300 36 33 69 97 1 4 6 246 0 0 18 12 13 1400 38 33 50 97 0 2 6 230 0 0 18 12 13 1500 38 32 53 98 0 7 13 147 0 0 18 12 13 1600 37 32 56 98 2 6 11 166 0 0 18 12 13 1700 36 32 53 98 5 11 18 144 0 0 18 12 13 1800 36 32 48 98 2 5 12 182 0 0 18 12 13 1900 37 32 41 99 4 5 9 208 0 0 18 12 13 2000 37 32 34 99 4 6 9 213 0 0 17 12 13 2100 39 32 31 99 4 6 11 206 0 0 18 12 13 2200 38 31 33 99 4 6 10 209 0 0 16 12 13 2300 39 31 27 99 1 5 11 210 0 0 18 12 14 0 40 31 27 98 2 5 10 207 0 0 17 12 14 100 40 30 23 98 3 6 11 200 0 0 17 12 14 200 38 30 31 98 4 9 17 156 0 0 18 12 14 300 39 30 33 98 5 12 18 137 0 0 17 12 14 400 37 30 40 98 11 19 26 134 0 0 17 Total Prec. 3660' ------------------------------------------------------------------------ 0 Page 1