12-12-2018 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 11 500 30 98 12 24 42 178 .03 .03 7 12 11 600 31 98 14 26 44 182 .03 .06 6 12 11 700 31 98 14 22 43 178 .02 .08 234 12 11 800 31 98 12 21 39 178 .03 .11 234 12 11 900 32 98 13 20 39 178 .06 .17 234 12 11 1000 32 98 11 18 32 177 .06 .23 7 12 11 1100 32 98 13 18 28 174 .06 .29 10 12 11 1200 32 98 12 17 25 176 .05 .34 10 12 11 1300 32 98 7 15 23 175 .09 .43 10 12 11 1400 32 98 3 10 19 210 .11 .54 10 12 11 1500 32 98 -0 10 18 205 .07 .61 7 12 11 1600 30 99 2 11 24 229 .11 .72 10 12 11 1700 30 98 4 10 17 222 .06 .78 7 12 11 1800 29 97 -0 7 16 239 .03 .81 234 12 11 1900 28 97 0 8 17 282 .04 .85 8 12 11 2000 26 97 -0 5 16 294 .02 .87 9 12 11 2100 26 96 0 7 23 267 .03 .9 9 12 11 2200 26 97 -0 8 20 257 .05 .95 9 12 11 2300 25 96 1 5 13 258 .02 .97 9 12 12 0 25 96 1 6 16 283 .04 1.01 234 12 12 100 25 96 -0 4 11 279 .05 1.06 10 12 12 200 25 96 1 6 14 317 .09 1.15 234 12 12 300 25 96 2 7 19 320 .1 1.25 15 12 12 400 22 95 3 8 18 317 0 1.25 16 Total Prec. 5250' ------------------------------------------------------------ 1.25 Page 1 12-12-2018 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 11 500 27 30 100 98 18 30 40 233 .14 .14 6 37 12 11 600 27 30 100 99 22 32 42 226 .13 .27 7 38 12 11 700 27 30 100 99 22 30 40 232 .16 .43 8 40 12 11 800 28 31 100 99 23 30 40 232 .18 .61 0 41 12 11 900 29 32 100 99 23 29 38 229 .12 .73 0 40 12 11 1000 29 32 100 100 21 28 38 230 .21 .94 2 42 12 11 1100 29 32 100 99 21 27 35 224 .11 1.05 3 42 12 11 1200 29 32 100 99 18 25 33 221 .12 1.17 4 41 12 11 1300 29 32 100 99 19 25 35 214 .13 1.3 6 46 12 11 1400 29 32 100 99 20 25 34 218 .15 1.45 7 45 12 11 1500 29 32 100 99 8 21 29 219 .14 1.59 9 46 12 11 1600 28 31 100 99 1 10 18 219 .2 1.79 11 49 12 11 1700 29 31 100 99 4 9 18 219 .11 1.9 11 49 12 11 1800 28 32 100 97 2 8 16 219 0 1.9 11 50 12 11 1900 28 31 100 98 4 10 20 219 .08 1.98 12 49 12 11 2000 28 31 100 98 3 8 20 219 .06 2.04 12 51 12 11 2100 28 31 100 98 1 7 15 219 .03 2.07 12 51 12 11 2200 27 30 100 95 0 5 13 219 .02 2.09 13 51 12 11 2300 26 30 100 93 4 9 30 219 .02 2.11 13 51 12 12 0 25 29 100 91 3 8 21 219 .01 2.12 12 51 12 12 100 26 29 100 94 1 6 12 219 .01 2.13 12 50 12 12 200 25 29 100 91 3 6 13 219 .04 2.17 13 50 12 12 300 25 28 100 91 3 8 19 219 .01 2.18 12 50 12 12 400 24 28 100 89 2 8 20 219 0 2.18 12 50 Total Prec. 4210' ------------------------------------------------------------------------ 2.18 Page 1 12-12-2018 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 11 500 19 15 95 87 9 11 234 42 .04 .04 21 12 11 600 20 15 97 87 11 15 236 45 .05 .09 21 12 11 700 22 15 97 87 11 13 223 47 .05 .14 23 12 11 800 23 15 96 87 15 19 228 46 .04 .18 24 12 11 900 25 17 98 89 12 18 231 48 .05 .23 24 12 11 1000 26 16 97 86 17 23 229 49 .04 .27 26 12 11 1100 27 18 98 89 20 25 227 51 .06 .33 26 12 11 1200 27 18 99 86 20 23 228 51 .06 .39 28 12 11 1300 29 17 100 86 19 22 229 53 .07 .46 28 12 11 1400 29 17 99 87 19 23 223 54 .07 .53 31 12 11 1500 29 17 98 88 18 24 227 56 .07 .6 32 12 11 1600 28 17 99 88 14 19 233 55 .07 .67 33 12 11 1700 28 18 99 88 11 14 234 55 .1 .77 36 12 11 1800 27 18 100 89 2 7 273 57 .1 .87 39 12 11 1900 24 23 98 94 4 7 240 58 .1 .97 40 12 11 2000 23 24 97 92 4 6 256 58 .12 1.09 41 12 11 2100 23 25 97 92 6 13 234 57 .15 1.24 42 12 11 2200 22 24 97 90 10 14 232 56 .12 1.36 41 12 11 2300 20 24 96 87 9 13 238 56 .04 1.4 42 12 12 0 21 24 96 89 10 15 237 55 .03 1.43 42 12 12 100 20 23 96 89 9 16 244 57 .03 1.46 42 12 12 200 20 23 96 88 8 17 275 56 0 1.46 42 12 12 300 20 23 96 88 6 14 296 57 .01 1.47 42 12 12 400 19 23 96 87 7 25 253 55 .03 1.5 42 Total Prec. 5450' ------------------------------------------------------------------------ 1.5 Page 1 12-12-2018 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 11 500 27 95 0 0 0 0 .02 .02 0 7 12 11 600 27 94 0 0 0 0 .03 .05 0 7 12 11 700 27 95 0 0 0 0 .02 .07 1 112 12 11 800 27 94 0 0 0 0 .01 .08 1 7 12 11 900 27 93 3 0 0 0 .01 .09 2 7 12 11 1000 28 93 2 0 0 0 .03 .12 2 8 12 11 1100 29 90 5 0 0 0 .04 .16 2 6 12 11 1200 29 87 5 0 0 0 .01 .17 2 6 12 11 1300 28 90 2 0 0 0 .03 .2 3 8 12 11 1400 28 92 1 0 0 0 .06 .26 4 9 12 11 1500 28 92 0 0 0 0 .05 .31 4 8 12 11 1600 27 94 -0 0 0 0 .05 .36 5 10 12 11 1700 27 95 0 0 0 0 .09 .45 6 10 12 11 1800 27 95 0 0 0 0 .12 .57 8 13 12 11 1900 27 95 0 0 0 0 .06 .63 8 14 12 11 2000 27 95 0 0 0 0 .03 .66 8 14 12 11 2100 27 95 0 0 0 0 0 .66 45 14 12 11 2200 26 95 0 0 0 0 0 .66 45 112 12 11 2300 25 94 0 0 0 0 0 .66 8 13 12 12 0 26 95 0 0 0 0 0 .66 9 14 12 12 100 27 95 0 0 0 0 .04 .7 9 14 12 12 200 25 95 0 0 0 0 0 .7 9 14 12 12 300 25 94 0 0 0 0 0 .7 9 112 12 12 400 25 95 0 0 0 0 .01 .71 9 14 Total Prec. 2170' ------------------------------------------------------------ .71 Page 1 12-12-2018 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 11 500 23 24 5 7 9 96 12 11 600 22 25 6 7 10 97 12 11 700 21 26 5 7 10 97 12 11 800 23 27 3 6 8 98 12 11 900 26 30 2 5 8 99 12 11 1000 31 32 0 3 11 181 12 11 1100 32 32 0 2 8 327 12 11 1200 32 32 0 3 14 240 12 11 1300 31 32 0 5 16 266 12 11 1400 32 32 0 2 11 264 12 11 1500 32 32 0 1 12 219 12 11 1600 31 32 0 0 0 0 12 11 1700 31 31 0 0 0 0 12 11 1800 30 30 0 0 0 0 12 11 1900 30 30 0 0 0 0 12 11 2000 30 30 0 0 0 0 12 11 2100 28 28 0 8 33 278 12 11 2200 25 25 4 17 37 272 12 11 2300 25 25 4 21 39 277 12 12 0 25 25 8 25 56 274 12 12 100 24 25 6 29 47 273 12 12 200 25 24 8 28 46 272 12 12 300 25 25 12 33 54 280 12 12 400 24 24 12 31 52 277 Page 1 12-12-2018 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 11 500 26 94 .08 .08 3 21 1013 12 11 600 25 94 .07 .15 4 23 1013 12 11 700 23 94 .07 .22 0 23 1012 12 11 800 23 94 .1 .32 1 24 1011 12 11 900 23 95 .1 .42 3 25 1010 12 11 1000 23 95 .09 .51 3 25 1009 12 11 1100 24 94 .1 .61 4 26 1009 12 11 1200 25 94 .13 .74 5 27 1006 12 11 1300 26 94 .11 .85 6 27 1005 12 11 1400 31 96 .11 .96 6 28 1004 12 11 1500 32 96 .12 1.08 6 28 1003 12 11 1600 33 96 .09 1.17 7 28 1002 12 11 1700 33 96 .09 1.26 7 27 1003 12 11 1800 32 96 .08 1.34 8 280 1003 12 11 1900 33 96 .05 1.39 9 30 1001 12 11 2000 33 95 .03 1.42 9 30 1001 12 11 2100 32 95 .06 1.48 10 30 1003 12 11 2200 31 93 .06 1.54 11 32 1005 12 11 2300 30 93 .04 1.58 11 32 1005 12 12 0 30 94 .05 1.63 12 33 1006 12 12 100 30 93 .05 1.68 12 33 1007 12 12 200 29 93 .02 1.7 12 33 1009 12 12 300 29 91 .05 1.75 13 33 1010 12 12 400 29 89 .04 1.79 13 34 1011 Total Prec. 3950' ------------------------------------ 1.79 Page 1 12-12-2018 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 11 500 24 100 8 13 49 .09 .09 4 32 12 11 600 24 100 6 12 51 .1 .19 0 33 12 11 700 22 100 6 10 44 .07 .26 0 33 12 11 800 23 99 8 12 53 .11 .37 1 34 12 11 900 23 100 5 9 57 .1 .47 3 35 12 11 1000 28 100 2 7 39 .1 .57 47 34 12 11 1100 32 100 0 9 285 .21 .78 5 36 12 11 1200 32 100 0 5 326 .12 .9 5 37 12 11 1300 32 100 0 4 338 .14 1.04 6 38 12 11 1400 32 100 0 8 325 .19 1.23 7 40 12 11 1500 32 100 2 9 249 .18 1.41 47 40 12 11 1600 32 100 1 6 260 .2 1.61 9 39 12 11 1700 32 100 7 20 229 .14 1.75 11 42 12 11 1800 32 100 5 20 237 .17 1.92 12 44 12 11 1900 32 100 8 23 242 .1 2.02 13 45 12 11 2000 32 100 10 23 234 .02 2.04 13 45 12 11 2100 30 100 10 24 231 .06 2.1 14 45 12 11 2200 26 100 8 19 223 .07 2.17 16 48 12 11 2300 26 100 10 25 225 .03 2.2 16 48 12 12 0 26 100 11 30 224 .05 2.25 16 49 12 12 100 26 100 11 31 225 .04 2.29 17 50 12 12 200 25 100 11 28 223 .02 2.31 17 47 12 12 300 26 100 17 47 220 .07 2.38 17 50 12 12 400 25 100 12 27 220 .09 2.47 18 49 Total Prec. 4800' ------------------------------------------------------ 2.47 Page 1 12-12-2018 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 11 500 7 13 168 12 11 600 8 15 165 12 11 700 7 13 172 12 11 800 4 12 177 12 11 900 3 10 191 12 11 1000 0 2 186 12 11 1100 0 0 0 12 11 1200 0 0 0 12 11 1300 0 0 0 12 11 1400 0 0 0 12 11 1500 0 0 0 12 11 1600 0 0 0 12 11 1700 0 0 0 12 11 1800 0 0 0 12 11 1900 0 0 0 12 11 2000 0 0 0 12 11 2100 0 0 0 12 11 2200 0 0 0 12 11 2300 0 0 0 12 12 0 0 0 0 12 12 100 0 0 0 12 12 200 0 0 0 12 12 300 0 0 0 12 12 400 0 0 0 Page 1 12-12-2018 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' ------------------------------------------------------ Total Prec. 2700' ------------------------------------ 0 Page 1 12-12-2018 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 11 500 23 91 0 0 0 105 12 11 600 23 91 0 0 0 72 12 11 700 23 92 0 0 0 9 12 11 800 24 92 0 0 0 317 12 11 900 27 94 0 0 0 261 12 11 1000 29 95 0 0 2 248 12 11 1100 30 95 0 0 0 246 12 11 1200 31 95 0 0 0 243 12 11 1300 30 95 0 0 0 245 12 11 1400 30 95 0 0 0 240 12 11 1500 30 95 0 0 0 241 12 11 1600 30 95 0 0 0 241 12 11 1700 29 95 0 0 0 238 12 11 1800 29 95 0 0 0 242 12 11 1900 27 94 0 0 0 243 12 11 2000 27 94 0 0 0 240 12 11 2100 27 94 0 0 0 244 12 11 2200 25 93 0 0 0 250 12 11 2300 23 92 0 0 0 253 12 12 0 23 92 0 0 0 249 12 12 100 23 92 0 0 0 240 12 12 200 22 92 0 0 0 257 12 12 300 22 92 0 0 0 254 12 12 400 22 92 0 0 0 240 Page 1 12-12-2018 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 11 500 28 96 0 0 0 60 .04 .04 1 3 12 11 600 28 95 0 0 0 60 .04 .08 1 123 12 11 700 28 95 0 0 0 60 .05 .13 3 123 12 11 800 28 95 0 0 0 60 .05 .18 0 5 12 11 900 28 95 0 0 0 60 .05 .23 1 6 12 11 1000 29 94 0 0 0 60 .05 .28 2 5 12 11 1100 28 94 0 0 0 60 .05 .33 4 123 12 11 1200 29 93 0 0 0 60 .05 .38 5 123 12 11 1300 29 93 0 0 0 60 .04 .42 4 9 12 11 1400 29 93 0 0 0 60 .06 .48 7 123 12 11 1500 29 94 0 0 0 58 .06 .54 10 123 12 11 1600 29 95 0 0 0 56 .05 .59 14 123 12 11 1700 29 95 0 0 0 54 .04 .63 17 21 12 11 1800 29 95 0 0 0 54 .05 .68 19 123 12 11 1900 28 96 0 0 0 120 .04 .72 21 24 12 11 2000 29 96 0 0 0 170 .04 .76 20 24 12 11 2100 29 96 0 0 0 145 .05 .81 20 24 12 11 2200 29 96 0 0 0 153 .04 .85 22 25 12 11 2300 29 96 0 0 0 170 .03 .88 22 25 12 12 0 33 96 0 0 0 252 .05 .93 21 25 12 12 100 33 96 0 0 0 297 .1 1.03 20 24 12 12 200 33 97 0 0 0 110 .1 1.13 20 24 12 12 300 34 97 0 0 0 155 .06 1.19 19 23 12 12 400 33 97 0 0 1 354 .09 1.28 18 23 Total Prec. 1930' ------------------------------------------------------------ 1.28 Page 1 12-12-2018 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 11 500 21 98 0 0 266 10 12 11 600 21 97 0 0 282 10 12 11 700 20 97 0 2 286 10 12 11 800 21 99 -0 0 298 10 12 11 900 22 97 0 0 50 12 12 11 1000 23 94 0 1 74 12 12 11 1100 23 97 0 4 104 12 12 11 1200 25 96 0 9 127 14 12 11 1300 24 100 1 10 117 14 12 11 1400 24 100 1 9 103 14 12 11 1500 25 100 1 9 120 15 12 11 1600 25 100 2 9 138 15 12 11 1700 28 100 3 14 290 14 12 11 1800 33 96 7 16 296 15 12 11 1900 34 82 13 26 298 15 12 11 2000 32 92 15 27 288 15 12 11 2100 32 90 14 28 291 14 12 11 2200 29 100 17 37 306 15 12 11 2300 30 71 26 45 292 15 12 12 0 29 92 13 26 287 15 12 12 100 29 90 7 19 297 15 12 12 200 31 54 13 36 295 15 12 12 300 29 87 11 31 296 14 12 12 400 30 69 17 33 290 14 Page 1 12-12-2018 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 11 500 12.5 31 144 0 12 11 600 12.5 31 154 0 12 11 700 12.5 31 170 0 12 11 800 12.5 31 173 0 12 11 900 12.5 31 191 0 12 11 1000 12.5 33 205 1 12 11 1100 12.5 34 223 3 12 11 1200 12.5 36 216 7 12 11 1300 12.5 36 225 6 12 11 1400 12.5 37 237 5 12 11 1500 12.5 36 228 3 12 11 1600 12.5 34 229 0 12 11 1700 12.5 33 223 0 12 11 1800 12.5 32 215 0 12 11 1900 12.5 31 230 0 12 11 2000 12.5 30 240 0 12 11 2100 12.5 30 235 0 12 11 2200 12.5 29 200 0 12 11 2300 12.5 28 212 0 12 12 0 12.5 28 231 0 12 12 100 12.5 28 205 0 12 12 200 12.5 27 196 0 12 12 300 12.5 27 194 0 12 12 400 12.5 27 194 0 Page 1 12-12-2018 Northwest Avalanche Center Alpental Ski Area, Washington Nov 19: wind measurements using new RMYoung instrument summit Denny Mtn 5520' RMYoung unheated and may rime 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 11 500 25 26 30 100 98 8 9 149 .11 .11 3 31 5 33 3 12 11 600 24 25 29 100 95 7 9 160 .13 .24 3 34 5 34 3 12 11 700 24 24 29 99 98 8 9 168 .11 .35 4 34 5 35 3 12 11 800 27 24 28 99 100 7 10 193 .15 .5 0 35 6 34 3 12 11 900 28 24 28 98 100 8 9 218 .13 .63 0 35 0 37 3 12 11 1000 28 25 28 98 100 10 15 238 .1 .73 1 35 0 35 3 12 11 1100 30 26 28 98 100 11 18 238 .15 .88 2 36 2 35 1 12 11 1200 31 30 30 99 100 13 21 229 .24 1.12 2 36 2 37 1 12 11 1300 31 30 31 99 100 14 24 231 .3 1.42 3 37 3 39 1 12 11 1400 32 32 31 99 100 12 21 224 .34 1.76 3 37 3 41 1 12 11 1500 32 32 31 100 100 10 17 225 .26 2.02 3 36 3 41 1 12 11 1600 31 32 32 99 100 10 17 225 .27 2.29 3 36 3 40 1 12 11 1700 29 32 32 99 100 0 0 226 .25 2.54 3 36 3 283 1 12 11 1800 28 32 33 100 100 0 0 241 .2 2.74 3 36 4 283 1 12 11 1900 28 32 32 100 100 0 0 238 .04 2.78 2 36 4 283 1 12 11 2000 28 31 32 100 100 0 0 234 .13 2.91 3 35 5 283 1 12 11 2100 26 30 33 99 100 0 0 232 .05 2.96 3 36 5 283 1 12 11 2200 27 30 33 99 100 0 0 253 .11 3.07 3 36 6 42 1 12 11 2300 25 28 33 98 97 0 0 306 .19 3.26 5 34 7 283 1 12 12 0 25 28 32 100 98 0 0 261 .09 3.35 4 34 8 44 1 12 12 100 25 28 32 100 98 0 0 258 .1 3.45 5 35 9 283 1 12 12 200 25 28 32 100 97 0 0 257 .07 3.52 5 38 9 283 1 12 12 300 24 28 33 95 97 0 0 281 .03 3.55 5 36 10 47 1 12 12 400 24 28 32 97 96 0 0 276 .04 3.59 6 37 10 47 1 Total Prec. 3100' ------------------------------------------------------------------------ 3.59 Page 1 12-12-2018 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 11 500 12 11 600 12 11 700 12 11 800 12 11 900 12 11 1000 12 11 1100 12 11 1200 12 11 1300 12 11 1400 12 11 1500 12 11 1600 12 11 1700 12 11 1800 12 11 1900 12 11 2000 12 11 2100 12 11 2200 12 11 2300 12 12 0 12 12 100 12 12 200 12 12 300 12 12 400 Page 1 12-12-2018 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 11 500 28 27 29 98 3 4 95 .08 .08 3 211 1017 12 11 600 27 26 29 98 5 7 109 .07 .15 -0 211 1016 12 11 700 26 25 28 98 10 14 118 .09 .24 0 18 1015 12 11 800 25 25 27 98 12 17 119 .09 .33 0 18 1014 12 11 900 25 25 27 97 12 16 116 .1 .43 1 211 1014 12 11 1000 25 25 28 97 12 15 107 .11 .54 -0 15 1013 12 11 1100 25 26 28 97 12 16 102 .11 .65 2 18 1012 12 11 1200 27 27 29 97 13 17 111 .12 .77 2 21 1010 12 11 1300 29 31 30 97 10 16 93 .24 1.01 3 20 1009 12 11 1400 32 36 30 97 6 11 103 .41 1.42 3 20 1007 12 11 1500 35 36 31 98 7 16 156 .43 1.85 3 21 1006 12 11 1600 36 35 31 98 19 44 231 .36 2.21 2 21 1006 12 11 1700 34 34 32 98 13 30 216 .35 2.56 3 20 1006 12 11 1800 32 32 32 98 15 28 223 .28 2.84 3 20 1006 12 11 1900 33 33 32 98 10 28 195 .05 2.89 2 18 1005 12 11 2000 32 32 32 98 25 42 226 .15 3.04 3 19 1006 12 11 2100 32 32 32 96 27 44 223 .06 3.1 3 19 1006 12 11 2200 32 31 32 97 25 40 233 .12 3.22 3 20 1007 12 11 2300 31 30 32 97 25 42 252 .07 3.29 4 15 1009 12 12 0 30 30 31 97 15 24 259 .15 3.44 4 16 1010 12 12 100 30 30 31 98 12 20 250 .2 3.64 5 17 1011 12 12 200 30 30 32 98 19 44 235 .11 3.75 6 16 1012 12 12 300 30 30 31 98 17 29 255 .12 3.87 6 211 1013 12 12 400 30 29 31 98 17 35 254 .08 3.95 6 211 1015 Total Prec. 3010' ------------------------------------------------------------------ 3.95 Page 1 12-12-2018 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 11 500 28 100 28 0 0 4 12 1014 12 11 600 28 100 28 0 0 4 13 1014 12 11 700 28 100 28 0 0 4 12 1012 12 11 800 28 100 28 0 0 0 14 1012 12 11 900 29 100 29 0 0 0 14 1011 12 11 1000 28 100 30 0 0 0 14 1010 12 11 1100 28 100 31 0 0 0 14 1009 12 11 1200 32 100 33 0 0 0 14 1007 12 11 1300 34 100 35 .01 .01 1 14 1006 12 11 1400 33 100 33 .02 .03 1 15 1005 12 11 1500 34 100 33 .06 .09 1 15 1004 12 11 1600 33 100 33 .06 .15 1 15 1003 12 11 1700 32 100 32 .02 .17 1 22 1003 12 11 1800 33 100 32 .01 .18 1 16 1003 12 11 1900 32 100 32 .02 .2 1 20 1002 12 11 2000 32 100 32 .01 .21 2 20 1002 12 11 2100 31 100 32 0 .21 2 19 1003 12 11 2200 30 100 31 0 .21 2 20 1004 12 11 2300 29 100 30 0 .21 4 15 1005 12 12 0 29 100 30 0 .21 4 15 1006 12 12 100 28 100 29 0 .21 5 142 1008 12 12 200 28 100 29 0 .21 -190 17 1009 12 12 300 28 100 28 0 .21 6 142 1010 12 12 400 27 100 28 0 .21 7 17 1011 Total Prec. 4100' ------------------------------------------ .21 Page 1 12-12-2018 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 11 500 21 26 29 92 100 39 50 238 .01 .01 1 124 12 11 600 21 26 29 92 100 44 59 238 .02 .03 1 124 12 11 700 20 26 29 92 100 42 53 235 .04 .07 0 124 12 11 800 20 26 29 92 100 40 53 236 .02 .09 1 124 12 11 900 22 27 29 92 100 42 54 237 .02 .11 1 124 12 11 1000 24 29 31 93 100 45 61 246 .01 .12 1 7 12 11 1100 26 31 33 93 100 46 68 247 0 .12 1 7 12 11 1200 26 31 33 93 100 47 59 244 .01 .13 1 124 12 11 1300 27 31 33 93 100 45 60 244 .01 .14 1 124 12 11 1400 27 32 34 93 100 41 61 251 .01 .15 1 124 12 11 1500 27 32 34 94 100 44 63 257 .02 .17 1 124 12 11 1600 27 32 34 94 100 40 56 250 .02 .19 1 124 12 11 1700 27 32 34 94 100 40 53 247 .05 .24 1 124 12 11 1800 26 31 33 94 100 39 75 253 .05 .29 2 124 12 11 1900 26 31 34 93 100 46 70 275 .01 .3 2 124 12 11 2000 24 30 33 94 100 41 74 273 .01 .31 2 124 12 11 2100 23 29 31 94 100 37 67 272 .01 .32 2 124 12 11 2200 22 28 30 93 100 41 70 272 0 .32 2 124 12 11 2300 21 27 30 93 100 33 60 283 .01 .33 2 124 12 12 0 20 26 28 92 100 33 55 282 .08 .41 3 124 12 12 100 20 26 28 92 100 31 53 275 .01 .42 3 124 12 12 200 20 26 28 92 100 32 58 276 .01 .43 3 124 12 12 300 20 25 28 92 100 30 55 276 .05 .48 3 124 12 12 400 20 25 28 92 100 30 51 271 .02 .5 3 124 Total Prec. 5160' ------------------------------------------------------------------------ .5 Page 1 12-12-2018 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 11 500 27 31 99 88 11 29 51 228 .02 .02 2 12 12 11 600 28 32 99 91 14 32 52 234 .02 .04 2 12 12 11 700 28 33 99 88 20 34 51 226 .01 .05 2 12 12 11 800 29 33 100 91 19 30 50 226 .01 .06 2 12 12 11 900 30 34 100 90 11 23 40 221 0 .06 0 12 12 11 1000 30 34 100 94 13 26 42 233 .01 .07 0 12 12 11 1100 31 33 100 95 11 21 36 229 .02 .09 0 12 12 11 1200 31 35 100 91 11 29 53 235 .03 .12 0 11 12 11 1300 31 35 100 91 15 29 46 233 .07 .19 0 12 12 11 1400 30 35 100 93 18 31 52 235 .09 .28 0 11 12 11 1500 30 34 100 93 17 34 53 238 .1 .38 0 -143 12 11 1600 29 34 100 93 16 30 49 236 .04 .42 0 11 12 11 1700 28 33 99 95 12 30 58 233 .08 .5 0 11 12 11 1800 27 31 99 97 8 20 36 257 .03 .53 2 11 12 11 1900 25 32 99 97 7 24 48 253 .04 .57 3 12 12 11 2000 25 31 98 95 6 20 44 255 .07 .64 4 15 12 11 2100 23 29 98 96 8 29 54 259 .05 .69 6 16 12 11 2200 22 29 97 95 11 31 56 254 .05 .74 6 17 12 11 2300 21 28 97 94 13 30 53 254 .06 .8 6 17 12 12 0 20 28 97 92 11 32 62 260 .04 .84 6 17 12 12 100 20 28 97 93 11 30 54 263 .04 .88 6 17 12 12 200 20 27 97 93 8 28 54 254 .04 .92 7 18 12 12 300 20 27 97 93 22 40 66 268 .02 .94 7 17 12 12 400 19 27 97 93 14 33 59 268 .03 .97 7 17 Total Prec. 4310' ------------------------------------------------------------------------ .97 Page 1 12-12-2018 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 11 500 28 0 15 12 11 600 29 0 16 12 11 700 30 1 16 12 11 800 31 1 16 12 11 900 33 2 16 12 11 1000 33 1 15 12 11 1100 33 1 15 12 11 1200 33 1 15 12 11 1300 33 2 15 12 11 1400 32 2 16 12 11 1500 31 3 17 12 11 1600 30 4 17 12 11 1700 29 5 18 12 11 1800 27 7 21 12 11 1900 26 8 22 12 11 2000 26 8 21 12 11 2100 24 10 25 12 11 2200 23 12 26 12 11 2300 22 12 25 12 12 0 22 12 26 12 12 100 22 12 26 12 12 200 21 12 26 12 12 300 22 12 26 12 12 400 21 12 26 Page 1 12-12-2018 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 11 500 25 26 95 99 3 8 217 44 0 0 377 12 11 600 25 26 95 99 5 12 244 46 0 0 377 12 11 700 26 26 97 99 8 13 222 46 0 0 377 12 11 800 27 27 98 99 10 12 231 46 0 0 377 12 11 900 29 28 99 99 10 16 229 47 0 0 377 12 11 1000 30 29 98 99 7 9 230 50 0 0 377 12 11 1100 29 31 98 98 6 8 238 50 0 0 377 12 11 1200 30 31 98 97 3 8 241 50 0 0 377 12 11 1300 29 31 99 97 0 0 242 50 0 0 377 12 11 1400 29 30 98 98 0 0 247 51 0 0 377 12 11 1500 28 30 98 99 0 0 245 52 0 0 377 12 11 1600 28 29 98 99 0 0 242 51 0 0 377 12 11 1700 27 29 98 99 0 0 238 51 0 0 377 12 11 1800 28 29 98 99 0 0 249 51 0 0 377 12 11 1900 26 28 97 100 0 0 260 51 0 0 377 12 11 2000 24 27 92 99 0 0 249 49 0 0 377 12 11 2100 24 26 89 99 0 1 277 48 .01 .01 59 12 11 2200 22 26 91 99 0 1 277 48 0 .01 58 12 11 2300 21 24 94 97 0 1 274 46 0 .01 58 12 12 0 21 24 95 96 4 7 277 46 0 .01 57 12 12 100 22 24 97 97 3 8 277 46 0 .01 56 12 12 200 21 23 96 98 2 7 275 45 0 .01 55 12 12 300 21 23 96 97 3 7 278 44 0 .01 54 12 12 400 21 23 95 99 2 7 277 44 0 .01 54 Total Prec. 5500' ------------------------------------------------------------------------ .01 Page 1 12-12-2018 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 11 500 26 26 100 97 12 19 168 26 12 11 600 26 26 100 97 11 15 160 26 12 11 700 26 26 100 97 11 17 172 27 12 11 800 29 27 100 98 9 20 177 27 12 11 900 30 28 100 98 9 19 160 27 12 11 1000 30 29 100 98 8 19 167 296 12 11 1100 31 29 100 98 7 13 149 27 12 11 1200 30 30 100 98 7 15 172 28 12 11 1300 32 31 100 98 11 22 206 29 12 11 1400 32 31 100 98 15 28 226 28 12 11 1500 31 30 100 98 11 22 230 26 12 11 1600 29 29 100 98 13 29 209 32 12 11 1700 29 29 100 98 16 37 250 296 12 11 1800 26 26 100 97 14 25 344 36 12 11 1900 24 25 99 96 18 41 286 37 12 11 2000 22 22 99 96 18 36 295 38 12 11 2100 21 22 98 95 19 37 321 280 12 11 2200 20 21 98 95 22 35 313 38 12 11 2300 19 20 98 95 21 35 308 37 12 12 0 19 20 98 95 18 31 317 38 12 12 100 19 20 98 95 16 31 330 37 12 12 200 19 20 98 95 19 35 329 37 12 12 300 18 19 97 94 16 25 347 37 12 12 400 19 20 98 95 17 35 328 38 Page 1 12-12-2018 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 11 500 29 97 3 6 276 .13 .13 6 31 0 12 11 600 29 98 5 14 275 .09 .22 7 41 0 12 11 700 31 99 13 19 272 .13 .35 7 42 0 12 11 800 32 99 16 26 275 .13 .48 7 41 0 12 11 900 32 99 15 24 280 .12 .6 7 41 8 12 11 1000 32 99 14 23 276 .11 .71 7 41 14 12 11 1100 32 99 15 21 274 .11 .82 7 39 18 12 11 1200 32 99 16 26 269 .11 .93 8 40 24 12 11 1300 33 99 17 25 271 .13 1.06 8 42 26 12 11 1400 32 99 19 27 269 .13 1.19 9 41 16 12 11 1500 32 99 18 27 270 .11 1.3 9 41 12 12 11 1600 32 99 16 26 266 .11 1.41 10 39 3 12 11 1700 31 99 17 25 271 .13 1.54 12 44 0 12 11 1800 30 99 21 43 269 .14 1.68 13 41 0 12 11 1900 29 99 24 48 265 .11 1.79 14 46 0 12 11 2000 28 98 17 28 257 .1 1.89 16 49 0 12 11 2100 27 98 9 18 260 .1 1.99 17 49 0 12 11 2200 26 97 8 13 266 .07 2.06 17 52 0 12 11 2300 25 97 9 18 277 .03 2.09 17 51 0 12 12 0 25 97 8 14 273 .03 2.12 17 50 0 12 12 100 25 97 8 16 262 .03 2.15 17 50 0 12 12 200 25 97 9 18 265 .02 2.17 17 50 0 12 12 300 25 97 7 12 261 .03 2.2 17 50 0 12 12 400 25 97 8 16 266 .03 2.23 17 50 0 Total Prec. 5400' ------------------------------------------------------ 2.23 Page 1 12-12-2018 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 11 500 18 96 28 40 51 239 0 12 11 600 19 97 36 51 65 238 0 12 11 700 19 98 41 55 70 237 0 12 11 800 22 98 38 59 73 237 1 12 11 900 21 97 44 57 69 237 22 12 11 1000 21 97 48 58 70 238 41 12 11 1100 21 97 49 58 69 238 55 12 11 1200 20 97 53 61 74 237 67 12 11 1300 20 97 59 67 76 238 67 12 11 1400 20 97 60 69 79 238 49 12 11 1500 19 96 58 69 83 238 34 12 11 1600 17 96 42 59 67 239 12 12 11 1700 17 96 37 60 76 238 1 12 11 1800 13 94 6 30 59 238 0 12 11 1900 13 95 22 48 71 238 0 12 11 2000 10 93 5 18 44 238 0 12 11 2100 8 92 3 13 34 238 0 12 11 2200 7 92 6 30 49 238 0 12 11 2300 7 92 20 39 52 238 0 12 12 0 6 91 5 29 53 238 0 12 12 100 6 92 14 43 66 238 0 12 12 200 7 92 13 40 59 238 0 12 12 300 6 91 29 50 72 238 0 12 12 400 7 92 13 41 56 238 0 Page 1 12-12-2018 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 11 500 27 97 9 25 47 260 0 0 24 12 11 600 28 97 6 19 37 260 0 0 26 12 11 700 30 98 10 26 48 260 .01 .01 26 12 11 800 29 98 16 30 44 260 .01 .02 26 12 11 900 31 99 17 32 60 260 .02 .04 25 12 11 1000 31 98 21 36 66 260 .02 .06 26 12 11 1100 33 98 25 47 97 260 .02 .08 25 12 11 1200 33 97 25 57 91 256 .03 .11 25 12 11 1300 32 99 28 50 88 256 .03 .14 25 12 11 1400 32 99 30 54 83 256 .02 .16 25 12 11 1500 32 100 18 44 74 245 .03 .19 27 12 11 1600 32 100 21 42 68 245 .02 .21 28 12 11 1700 31 100 16 35 73 245 .02 .23 29 12 11 1800 31 100 16 30 54 245 .02 .25 31 12 11 1900 29 99 16 35 59 245 .03 .28 33 12 11 2000 28 99 20 30 52 245 .01 .29 34 12 11 2100 26 98 25 47 75 245 .02 .31 35 12 11 2200 25 98 27 47 75 245 .01 .32 35 12 11 2300 23 97 25 53 78 245 0 .32 35 12 12 0 24 98 32 52 76 245 .01 .33 35 12 12 100 23 97 30 58 83 245 0 .33 35 12 12 200 23 97 32 56 81 245 0 .33 35 12 12 300 23 97 32 55 90 245 .01 .34 35 12 12 400 23 97 30 53 74 245 0 .34 35 Total Prec. 5800' ------------------------------------------------------------------------ .34 Page 1 12-12-2018 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 11 500 36 97 7 21 131 .05 .05 12 11 600 36 98 5 15 102 .01 .06 12 11 700 36 98 5 13 107 .01 .07 12 11 800 36 99 4 18 134 .03 .1 12 11 900 37 99 4 13 150 .01 .11 12 11 1000 38 99 3 11 119 .01 .12 12 11 1100 39 100 3 13 143 .01 .13 12 11 1200 40 100 5 16 155 .07 .2 12 11 1300 40 100 3 12 155 .17 .37 12 11 1400 41 100 2 11 152 .16 .53 12 11 1500 41 100 2 10 143 .23 .76 12 11 1600 41 100 0 6 234 .14 .9 12 11 1700 42 100 6 19 288 .09 .99 12 11 1800 39 98 12 25 301 .17 1.16 12 11 1900 38 98 8 19 301 .05 1.21 12 11 2000 36 98 9 20 298 .09 1.3 12 11 2100 36 99 12 24 306 .02 1.32 12 11 2200 36 98 11 24 305 0 1.32 12 11 2300 35 96 10 22 304 0 1.32 12 12 0 34 99 13 24 300 .05 1.37 12 12 100 34 100 11 28 305 .01 1.38 12 12 200 35 100 11 26 304 .03 1.41 12 12 300 34 99 14 32 303 .02 1.43 12 12 400 34 98 12 24 307 .01 1.44 Total Prec. 3260' ------------------------------------------------------ 1.44 Page 1 12-12-2018 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 11 500 27 99 0 4 10 287 .1 .1 2 22 12 11 600 30 100 -0 4 10 289 .11 .21 3 27 12 11 700 31 100 2 8 15 283 .04 .25 3 27 12 11 800 31 100 5 10 17 279 .08 .33 0 28 12 11 900 32 100 5 10 19 280 .12 .45 0 29 12 11 1000 32 100 3 11 23 284 .12 .57 0 28 12 11 1100 33 100 3 12 20 293 .09 .66 0 28 12 11 1200 33 100 5 12 20 292 .13 .79 0 27 12 11 1300 34 100 8 13 25 290 .09 .88 0 26 12 11 1400 34 100 7 15 26 279 .12 1 0 27 12 11 1500 34 100 8 16 34 279 .09 1.09 0 27 12 11 1600 34 100 8 18 38 274 .18 1.27 0 26 12 11 1700 33 100 9 18 35 276 .2 1.47 0 26 12 11 1800 32 100 9 16 31 276 .16 1.63 0 25 12 11 1900 32 100 9 16 31 279 .2 1.83 2 24 12 11 2000 30 100 8 14 30 287 .27 2.1 3 23 12 11 2100 26 100 8 16 32 296 .22 2.32 4 28 12 11 2200 26 100 6 15 35 291 .23 2.55 5 25 12 11 2300 24 99 5 14 26 292 .24 2.79 7 28 12 12 0 24 99 6 13 28 288 .13 2.92 8 32 12 12 100 24 99 6 13 29 278 .11 3.03 9 29 12 12 200 24 99 7 15 33 285 .1 3.13 9 33 12 12 300 23 99 6 17 45 292 .08 3.21 9 33 12 12 400 23 99 8 15 28 284 .07 3.28 10 34 Total Prec. 5880' ------------------------------------------------------------ 3.28 Page 1 12-12-2018 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 11 500 26 99 6 10 15 214 12 11 600 28 99 10 15 25 220 12 11 700 29 100 10 17 26 216 12 11 800 30 100 0 9 23 218 12 11 900 31 100 0 0 0 224 12 11 1000 32 100 0 0 0 236 12 11 1100 32 100 0 0 0 225 12 11 1200 32 100 0 0 0 236 12 11 1300 33 100 0 0 0 237 12 11 1400 32 100 0 0 0 247 12 11 1500 32 100 0 0 0 244 12 11 1600 32 100 0 0 0 248 12 11 1700 31 100 0 0 0 245 12 11 1800 30 100 0 0 0 250 12 11 1900 28 100 0 0 0 261 12 11 2000 27 100 0 0 0 249 12 11 2100 23 98 0 0 0 249 12 11 2200 22 98 0 0 0 248 12 11 2300 21 97 0 0 0 231 12 12 0 21 98 0 0 0 233 12 12 100 21 98 0 0 0 223 12 12 200 21 98 0 0 0 231 12 12 300 20 97 0 0 0 221 12 12 400 20 97 0 0 0 218 Page 1 12-12-2018 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 11 500 25 29 91 94 12 24 212 .1 .1 2 31 1016 12 11 600 28 31 92 96 13 26 225 .1 .2 2 27 1016 12 11 700 28 32 93 96 15 28 205 .05 .25 0 26 1015 12 11 800 29 32 95 96 14 26 282 .09 .34 0 26 1014 12 11 900 30 34 95 95 17 32 311 .09 .43 0 26 1013 12 11 1000 31 35 95 95 16 29 217 .11 .54 0 26 1013 12 11 1100 31 35 95 95 20 34 252 .07 .61 0 26 1012 12 11 1200 32 36 95 94 22 40 227 .1 .71 0 25 1012 12 11 1300 32 36 95 96 19 41 222 .07 .78 0 25 1010 12 11 1400 32 37 96 95 21 42 209 .09 .87 0 25 1009 12 11 1500 31 36 96 95 21 41 226 .08 .95 0 25 1009 12 11 1600 31 36 96 95 23 40 229 .17 1.12 0 25 1008 12 11 1700 30 35 96 95 22 42 184 .24 1.36 0 25 1007 12 11 1800 29 33 96 96 19 42 234 .17 1.53 0 25 1006 12 11 1900 28 32 94 96 18 36 256 .23 1.76 0 23 1006 12 11 2000 26 32 92 97 19 39 244 .18 1.94 0 24 1006 12 11 2100 22 28 90 96 23 37 276 .14 2.08 3 27 1007 12 11 2200 22 27 90 96 22 37 265 .12 2.2 4 28 1008 12 11 2300 20 26 90 95 18 33 257 .16 2.36 6 30 1010 12 12 0 21 26 90 95 16 30 279 .1 2.46 7 30 1011 12 12 100 21 26 90 96 15 35 268 .09 2.55 8 31 1012 12 12 200 20 26 90 95 17 38 243 .08 2.63 9 33 1013 12 12 300 19 25 89 95 18 34 249 .08 2.71 9 33 1014 12 12 400 20 25 89 95 19 34 244 .08 2.79 10 33 1015 Total Prec. 5380' ------------------------------------------------------------------ 2.79 Page 1 12-12-2018 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 11 500 26 95 8 26 38 240 12 11 600 28 98 8 31 47 243 12 11 700 28 97 11 30 44 237 12 11 800 29 99 8 30 44 229 12 11 900 30 99 15 32 50 232 12 11 1000 31 99 12 33 51 234 12 11 1100 31 99 14 38 55 239 12 11 1200 31 99 15 41 63 237 12 11 1300 32 99 14 41 64 229 12 11 1400 32 99 22 44 67 220 12 11 1500 31 99 17 45 62 217 12 11 1600 31 100 22 46 65 220 12 11 1700 30 99 15 43 68 219 12 11 1800 29 100 18 40 58 221 12 11 1900 28 99 9 35 62 225 12 11 2000 26 96 0 17 50 234 12 11 2100 22 93 0 0 0 256 12 11 2200 21 93 0 0 0 254 12 11 2300 19 91 0 0 0 267 12 12 0 20 91 0 0 0 258 12 12 100 20 91 0 0 0 236 12 12 200 19 91 0 0 0 231 12 12 300 18 91 0 0 0 237 12 12 400 19 91 0 0 0 229 Page 1 12-12-2018 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 11 500 29 32 99 98 2 6 9 238 .03 .03 13 12 11 600 30 32 99 98 1 5 11 235 .02 .05 14 12 11 700 32 32 99 98 1 3 12 257 .02 .07 15 12 11 800 32 32 99 98 0 3 8 272 .02 .09 15 12 11 900 33 33 97 98 0 2 5 278 .06 .15 15 12 11 1000 34 33 95 98 0 2 5 272 .07 .22 16 12 11 1100 35 33 98 98 1 4 9 284 .03 .25 15 12 11 1200 36 33 98 98 2 5 11 270 .09 .34 14 12 11 1300 37 36 98 98 1 8 23 270 .05 .39 14 12 11 1400 38 38 97 98 3 7 22 278 .05 .44 14 12 11 1500 37 39 98 97 4 8 16 261 .06 .5 14 12 11 1600 37 40 98 98 4 10 21 273 .17 .67 12 12 11 1700 36 39 97 97 4 9 20 259 .21 .88 13 12 11 1800 35 39 98 97 3 9 20 259 .14 1.02 13 12 11 1900 33 38 98 97 3 9 21 295 .25 1.27 13 12 11 2000 32 35 100 97 3 8 19 298 .2 1.47 12 12 11 2100 29 32 100 98 5 11 23 353 .12 1.59 12 12 11 2200 28 32 100 98 4 10 24 312 .13 1.72 15 12 11 2300 26 31 100 98 4 11 31 344 .12 1.84 13 12 12 0 27 31 100 98 4 9 21 319 .09 1.93 17 12 12 100 28 31 100 98 4 9 18 300 .11 2.04 14 12 12 200 27 31 100 99 6 13 26 320 .05 2.09 15 12 12 300 27 31 100 98 4 11 26 317 .05 2.14 13 12 12 400 27 31 100 98 5 13 28 322 .04 2.18 17 Total Prec. 3660' ------------------------------------------------------------------------ 2.18 Page 1