12-11-2018 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 10 1400 29 95 3 7 12 179 0 0 6 12 10 1500 28 95 5 8 13 179 .01 .01 6 12 10 1600 26 95 6 10 17 163 0 .01 6 12 10 1700 26 96 7 12 18 165 0 .01 6 12 10 1800 26 96 8 12 17 165 0 .01 6 12 10 1900 27 96 9 14 21 172 0 .01 6 12 10 2000 27 96 8 14 23 165 0 .01 6 12 10 2100 28 97 11 17 25 167 0 .01 6 12 10 2200 28 97 10 16 26 168 0 .01 5 12 10 2300 28 97 11 17 30 178 0 .01 8 12 11 0 28 97 14 21 39 175 0 .01 7 12 11 100 28 97 14 23 36 171 .01 .02 7 12 11 200 28 97 14 23 36 178 .02 .04 8 12 11 300 28 97 16 24 41 179 .03 .07 9 12 11 400 29 97 15 24 41 178 .04 .11 7 12 11 500 30 98 12 24 42 178 .03 .14 7 12 11 600 31 98 14 26 44 182 .03 .17 6 12 11 700 31 98 14 22 43 178 .02 .19 234 12 11 800 31 98 12 21 39 178 .03 .22 234 12 11 900 32 98 13 20 39 178 .06 .28 234 12 11 1000 32 98 11 18 32 177 .06 .34 7 12 11 1100 32 98 13 18 28 174 .06 .4 10 12 11 1200 32 98 12 17 25 176 .05 .45 10 12 11 1300 32 98 7 15 23 175 .09 .54 10 Total Prec. 5250' ------------------------------------------------------------ .54 Page 1 12-11-2018 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 10 1400 28 31 100 94 0 3 6 215 .04 .04 0 30 12 10 1500 27 30 100 95 1 3 5 246 .08 .12 46 350 12 10 1600 27 30 100 95 0 4 8 234 .02 .14 3 32 12 10 1700 26 30 100 95 4 6 9 237 .01 .15 3 34 12 10 1800 26 29 100 97 3 5 7 222 0 .15 3 350 12 10 1900 26 29 100 96 4 10 18 214 0 .15 3 35 12 10 2000 26 29 100 93 6 12 18 227 .01 .16 3 34 12 10 2100 26 29 100 94 7 18 27 223 0 .16 3 34 12 10 2200 26 30 100 95 7 22 34 221 0 .16 3 34 12 10 2300 26 29 100 96 5 18 32 234 .01 .17 3 33 12 11 0 26 30 100 96 5 21 33 234 .05 .22 4 34 12 11 100 27 30 100 97 13 28 43 229 .06 .28 4 34 12 11 200 27 30 100 96 23 32 42 235 .09 .37 4 34 12 11 300 27 30 100 98 20 32 44 231 .11 .48 4 35 12 11 400 27 30 100 99 14 30 42 230 .1 .58 5 36 12 11 500 27 30 100 98 18 30 40 233 .14 .72 6 37 12 11 600 27 30 100 99 22 32 42 226 .13 .85 7 38 12 11 700 27 30 100 99 22 30 40 232 .16 1.01 8 40 12 11 800 28 31 100 99 23 30 40 232 .18 1.19 0 41 12 11 900 29 32 100 99 23 29 38 229 .12 1.31 0 40 12 11 1000 29 32 100 100 21 28 38 230 .21 1.52 2 42 12 11 1100 29 32 100 99 21 27 35 224 .11 1.63 3 42 12 11 1200 29 32 100 99 18 25 33 221 .12 1.75 4 41 12 11 1300 29 32 100 99 19 25 35 214 .13 1.88 6 46 Total Prec. 4210' ------------------------------------------------------------------------ 1.88 Page 1 12-11-2018 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 10 1400 25 27 97 86 9 13 233 55 0 0 20 12 10 1500 23 25 97 89 8 11 239 54 0 0 21 12 10 1600 21 24 97 91 8 10 242 53 0 0 21 12 10 1700 21 23 98 91 7 10 247 52 0 0 21 12 10 1800 20 23 97 91 7 9 238 51 0 0 21 12 10 1900 20 22 96 91 7 10 235 53 0 0 20 12 10 2000 20 21 96 91 7 9 245 51 0 0 20 12 10 2100 20 22 96 91 7 11 243 48 0 0 20 12 10 2200 19 21 96 91 10 12 232 49 0 0 20 12 10 2300 20 21 96 91 11 14 224 49 0 0 20 12 11 0 20 21 96 90 9 14 228 48 0 0 20 12 11 100 19 20 95 90 12 17 229 46 0 0 20 12 11 200 20 19 96 87 13 17 226 44 0 0 20 12 11 300 19 16 96 88 11 14 224 43 .02 .02 21 12 11 400 19 15 96 87 10 13 227 41 .03 .05 20 12 11 500 19 15 95 87 9 11 234 42 .04 .09 21 12 11 600 20 15 97 87 11 15 236 45 .05 .14 21 12 11 700 22 15 97 87 11 13 223 47 .05 .19 23 12 11 800 23 15 96 87 15 19 228 46 .04 .23 24 12 11 900 25 17 98 89 12 18 231 48 .05 .28 24 12 11 1000 26 16 97 86 17 23 229 49 .04 .32 26 12 11 1100 27 18 98 89 20 25 227 51 .06 .38 26 12 11 1200 27 18 99 86 20 23 228 51 .06 .44 28 12 11 1300 29 17 100 86 19 22 229 53 .07 .51 28 Total Prec. 5450' ------------------------------------------------------------------------ .51 Page 1 12-11-2018 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 10 1400 29 86 9 0 0 0 0 0 0 4 12 10 1500 28 90 4 0 0 0 0 0 0 6 12 10 1600 28 91 0 0 0 0 0 0 0 112 12 10 1700 27 93 0 0 0 0 0 0 0 3 12 10 1800 27 93 0 0 0 0 0 0 0 5 12 10 1900 27 93 0 0 0 0 0 0 0 5 12 10 2000 27 94 0 0 0 0 0 0 0 5 12 10 2100 27 94 0 0 0 0 0 0 0 5 12 10 2200 27 94 0 0 0 0 0 0 0 5 12 10 2300 27 94 0 0 0 0 0 0 0 112 12 11 0 27 94 -0 0 0 0 0 0 0 3 12 11 100 27 94 0 0 0 0 0 0 0 5 12 11 200 27 95 0 0 0 0 0 0 0 5 12 11 300 27 94 0 0 0 0 0 0 0 6 12 11 400 27 95 0 0 0 0 .01 .01 0 7 12 11 500 27 95 0 0 0 0 .02 .03 0 7 12 11 600 27 94 0 0 0 0 .03 .06 0 7 12 11 700 27 95 0 0 0 0 .02 .08 1 112 12 11 800 27 94 0 0 0 0 .01 .09 1 7 12 11 900 27 93 3 0 0 0 .01 .1 2 7 12 11 1000 28 93 2 0 0 0 .03 .13 2 8 12 11 1100 29 90 5 0 0 0 .04 .17 2 6 12 11 1200 29 87 5 0 0 0 .01 .18 2 6 12 11 1300 28 90 2 0 0 0 .03 .21 3 8 Total Prec. 2170' ------------------------------------------------------------ .21 Page 1 12-11-2018 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 10 1400 28 28 0 3 13 267 12 10 1500 26 26 0 11 32 284 12 10 1600 25 26 0 7 25 289 12 10 1700 25 25 0 5 18 287 12 10 1800 25 25 0 2 8 263 12 10 1900 25 25 0 2 7 251 12 10 2000 25 25 0 2 8 238 12 10 2100 25 25 0 2 7 236 12 10 2200 25 25 0 3 7 142 12 10 2300 26 25 0 3 7 113 12 11 0 26 26 0 5 8 92 12 11 100 26 26 0 4 8 96 12 11 200 25 25 2 5 10 95 12 11 300 25 24 2 5 8 99 12 11 400 24 24 3 5 8 98 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 Page 1 12-11-2018 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 10 1400 32 91 .02 .02 1 20 1019 12 10 1500 31 88 .02 .04 1 20 1019 12 10 1600 30 90 0 .04 1 20 1019 12 10 1700 29 90 0 .04 1 21 1019 12 10 1800 30 91 0 .04 1 20 1019 12 10 1900 30 92 0 .04 1 20 1019 12 10 2000 29 91 0 .04 1 20 1018 12 10 2100 29 92 0 .04 1 20 1019 12 10 2200 29 93 0 .04 1 20 1019 12 10 2300 29 94 0 .04 1 20 1019 12 11 0 29 93 0 .04 1 20 1018 12 11 100 29 93 0 .04 2 20 1017 12 11 200 29 94 0 .04 2 20 1016 12 11 300 28 94 .01 .05 2 20 1016 12 11 400 28 95 .04 .09 2 20 1015 12 11 500 26 94 .08 .17 3 21 1013 12 11 600 25 94 .07 .24 4 23 1013 12 11 700 23 94 .07 .31 0 23 1012 12 11 800 23 94 .1 .41 1 24 1011 12 11 900 23 95 .1 .51 3 25 1010 12 11 1000 23 95 .09 .6 3 25 1009 12 11 1100 24 94 .1 .7 4 26 1009 12 11 1200 25 94 .13 .83 5 27 1006 12 11 1300 26 94 .11 .94 6 27 1005 Total Prec. 3950' ------------------------------------ .94 Page 1 12-11-2018 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 10 1400 28 100 5 15 214 .03 .03 1 30 12 10 1500 27 100 6 16 221 .04 .07 2 30 12 10 1600 26 100 7 16 206 0 .07 2 31 12 10 1700 26 100 5 14 206 0 .07 2 31 12 10 1800 26 100 8 14 211 0 .07 2 31 12 10 1900 26 100 6 11 213 0 .07 2 30 12 10 2000 26 100 4 10 211 0 .07 2 31 12 10 2100 26 100 2 6 197 .01 .08 2 31 12 10 2200 27 100 0 5 183 0 .08 2 31 12 10 2300 26 100 0 1 148 0 .08 2 30 12 11 0 26 100 0 7 66 0 .08 2 30 12 11 100 26 100 0 4 52 0 .08 2 29 12 11 200 26 100 2 7 65 .01 .09 2 30 12 11 300 26 100 5 9 54 .01 .1 2 24 12 11 400 25 100 6 10 47 .03 .13 3 30 12 11 500 24 100 8 13 49 .09 .22 4 32 12 11 600 24 100 6 12 51 .1 .32 0 33 12 11 700 22 100 6 10 44 .07 .39 0 33 12 11 800 23 99 8 12 53 .11 .5 1 34 12 11 900 23 100 5 9 57 .1 .6 3 35 12 11 1000 28 100 2 7 39 .1 .7 47 34 12 11 1100 32 100 0 9 285 .21 .91 5 36 12 11 1200 32 100 0 5 326 .12 1.03 5 37 12 11 1300 32 100 0 4 338 .14 1.17 6 38 Total Prec. 4800' ------------------------------------------------------ 1.17 Page 1 12-11-2018 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 10 1400 1 16 240 12 10 1500 5 19 269 12 10 1600 3 17 247 12 10 1700 3 14 250 12 10 1800 0 10 189 12 10 1900 0 0 0 12 10 2000 0 0 0 12 10 2100 0 0 0 12 10 2200 0 0 0 12 10 2300 0 0 0 12 11 0 0 0 0 12 11 100 0 0 0 12 11 200 0 0 0 12 11 300 0 0 0 12 11 400 3 11 168 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 Page 1 12-11-2018 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 12-11-2018 Northwest Avalanche Center Dirty Face Mountain, Washington Wind gages unheated and may rime Wind direction repaired and accurate 10-8-18! MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 5980' 5980' 5980' 5980' 5980' 5980' ------------------------------------------------ 12 10 1400 25 92 1 2 3 239 12 10 1500 25 93 0 2 3 229 12 10 1600 23 92 0 2 3 244 12 10 1700 23 92 0 2 3 237 12 10 1800 22 92 0 2 3 233 12 10 1900 23 92 0 2 3 241 12 10 2000 23 93 2 2 3 241 12 10 2100 23 92 0 2 3 235 12 10 2200 23 92 0 1 2 245 12 10 2300 23 92 0 1 2 239 12 11 0 23 92 1 1 2 241 12 11 100 23 92 0 1 2 242 12 11 200 24 91 0 0 2 236 12 11 300 24 91 0 0 0 125 12 11 400 23 91 0 0 0 114 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 Page 1 12-11-2018 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 10 1400 33 91 0 0 0 326 0 0 0 123 12 10 1500 33 93 0 0 0 241 0 0 0 123 12 10 1600 32 96 0 0 0 237 0 0 0 123 12 10 1700 31 96 0 0 0 237 0 0 0 123 12 10 1800 30 96 0 0 2 207 0 0 0 123 12 10 1900 29 96 0 0 2 80 0 0 0 123 12 10 2000 28 95 0 0 2 66 0 0 0 123 12 10 2100 28 95 0 0 0 64 0 0 0 123 12 10 2200 28 95 0 0 0 64 0 0 0 123 12 10 2300 28 94 0 0 0 67 0 0 0 123 12 11 0 28 95 0 0 1 74 0 0 0 123 12 11 100 28 95 0 0 0 74 0 0 0 123 12 11 200 28 96 0 0 1 65 0 0 0 2 12 11 300 28 95 0 0 0 60 .01 .01 0 1 12 11 400 28 95 0 0 0 60 .01 .02 0 2 12 11 500 28 96 0 0 0 60 .04 .06 1 3 12 11 600 28 95 0 0 0 60 .04 .1 1 123 12 11 700 28 95 0 0 0 60 .05 .15 3 123 12 11 800 28 95 0 0 0 60 .05 .2 0 5 12 11 900 28 95 0 0 0 60 .05 .25 1 6 12 11 1000 29 94 0 0 0 60 .05 .3 2 5 12 11 1100 28 94 0 0 0 60 .05 .35 4 123 12 11 1200 29 93 0 0 0 60 .05 .4 5 123 12 11 1300 29 93 0 0 0 60 .04 .44 4 9 Total Prec. 1930' ------------------------------------------------------------ .44 Page 1 12-11-2018 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 10 1400 30 87 2 11 237 9 12 10 1500 30 84 0 7 134 9 12 10 1600 29 100 0 5 120 9 12 10 1700 29 100 0 4 153 10 12 10 1800 29 100 0 3 207 10 12 10 1900 29 100 0 4 239 10 12 10 2000 29 89 0 2 212 10 12 10 2100 29 97 0 2 264 10 12 10 2200 29 88 0 2 182 10 12 10 2300 29 87 0 0 348 10 12 11 0 28 97 0 4 43 9 12 11 100 27 100 0 4 58 9 12 11 200 27 100 0 0 49 9 12 11 300 25 100 0 0 38 10 12 11 400 23 100 0 0 260 9 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 Page 1 12-11-2018 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 10 1400 12.5 29 186 3 12 10 1500 12.5 29 202 1 12 10 1600 12.5 29 191 0 12 10 1700 12.5 28 206 0 12 10 1800 12.5 28 185 0 12 10 1900 12.5 29 184 0 12 10 2000 12.5 29 209 0 12 10 2100 12.5 29 197 0 12 10 2200 12.5 29 173 0 12 10 2300 12.5 28 154 0 12 11 0 12.5 28 127 0 12 11 100 12.5 28 151 0 12 11 200 12.5 28 151 0 12 11 300 12.5 28 124 0 12 11 400 12.5 29 148 0 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 Page 1 12-11-2018 Northwest Avalanche Center Alpental Ski Area, Washington Nov 19: wind measurements using new RMYoung instrument summit Denny Mtn 5520' RMYoung unheated and may rime Snow measurements not installed/calibrated for the season 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 10 1400 26 32 33 99 100 8 15 252 .08 .08 0 29 1 32 3 12 10 1500 26 30 33 99 100 7 15 253 .02 .1 0 30 1 283 3 12 10 1600 26 29 33 99 100 6 9 250 .05 .15 0 30 2 283 3 12 10 1700 24 29 32 99 97 9 15 259 .01 .16 0 29 2 283 3 12 10 1800 25 29 33 99 97 7 10 256 0 .16 0 29 2 283 3 12 10 1900 25 29 33 100 99 6 9 248 0 .16 0 29 2 283 3 12 10 2000 26 29 32 99 100 5 8 235 0 .16 0 29 2 283 3 12 10 2100 26 29 33 100 100 6 9 241 .01 .17 0 30 1 283 3 12 10 2200 27 29 32 100 100 5 8 239 .01 .18 0 29 2 33 3 12 10 2300 26 29 33 99 100 5 7 213 0 .18 0 30 2 283 3 12 11 0 26 29 32 100 99 6 7 177 0 .18 0 30 2 32 3 12 11 100 25 28 32 100 98 5 8 169 0 .18 0 29 2 283 3 12 11 200 25 27 32 100 97 6 8 159 .01 .19 1 30 2 283 3 12 11 300 25 27 32 100 97 6 8 151 .03 .22 2 27 3 283 3 12 11 400 24 26 31 100 96 7 9 153 .03 .25 2 30 3 33 3 12 11 500 25 26 30 100 98 8 9 149 .11 .36 3 31 5 33 3 12 11 600 24 25 29 100 95 7 9 160 .13 .49 3 34 5 34 3 12 11 700 24 24 29 99 98 8 9 168 .11 .6 4 34 5 35 3 12 11 800 27 24 28 99 100 7 10 193 .15 .75 0 35 6 34 3 12 11 900 28 24 28 98 100 8 9 218 .13 .88 0 35 0 37 3 12 11 1000 28 25 28 98 100 10 15 238 .1 .98 1 35 0 35 3 12 11 1100 30 26 28 98 100 11 18 238 .15 1.13 2 36 2 35 1 12 11 1200 31 30 30 99 100 13 21 229 .24 1.37 2 36 2 37 1 12 11 1300 31 30 31 99 100 14 24 231 .3 1.67 3 37 3 39 1 Total Prec. 3100' ------------------------------------------------------------------------ 1.67 Page 1 12-11-2018 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 10 1400 31 32 33 96 2 5 227 .1 .1 0 13 1022 12 10 1500 31 31 33 96 0 2 176 .02 .12 0 13 1022 12 10 1600 31 31 32 96 0 2 61 .05 .17 0 12 1022 12 10 1700 30 30 31 97 2 4 273 .01 .18 0 10 1022 12 10 1800 30 30 32 97 0 3 202 0 .18 0 11 1022 12 10 1900 30 31 32 97 0 2 74 0 .18 0 13 1022 12 10 2000 30 31 32 97 0 2 49 .01 .19 0 11 1022 12 10 2100 31 31 32 97 0 2 50 .01 .2 0 14 1022 12 10 2200 31 31 31 97 0 2 57 0 .2 0 211 1022 12 10 2300 31 30 32 97 1 2 107 0 .2 0 211 1022 12 11 0 30 30 32 98 3 3 93 0 .2 0 211 1021 12 11 100 29 29 31 98 2 3 84 0 .2 0 211 1020 12 11 200 29 29 31 98 2 4 99 .01 .21 1 211 1019 12 11 300 29 28 31 98 1 2 94 .03 .24 1 211 1019 12 11 400 28 28 30 98 1 2 97 .03 .27 2 211 1018 12 11 500 28 27 29 98 3 4 95 .08 .35 3 211 1017 12 11 600 27 26 29 98 5 7 109 .07 .42 -0 211 1016 12 11 700 26 25 28 98 10 14 118 .09 .51 0 18 1015 12 11 800 25 25 27 98 12 17 119 .09 .6 0 18 1014 12 11 900 25 25 27 97 12 16 116 .1 .7 1 211 1014 12 11 1000 25 25 28 97 12 15 107 .11 .81 -0 15 1013 12 11 1100 25 26 28 97 12 16 102 .11 .92 2 18 1012 12 11 1200 27 27 29 97 13 17 111 .12 1.04 2 21 1010 12 11 1300 29 31 30 97 10 16 93 .24 1.28 3 20 1009 Total Prec. 3010' ------------------------------------------------------------------ 1.28 Page 1 12-11-2018 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 10 1400 32 84 34 .01 .01 3 13 1019 12 10 1500 32 86 33 0 .01 3 12 1019 12 10 1600 30 91 30 0 .01 3 13 1019 12 10 1700 30 91 30 0 .01 3 13 1019 12 10 1800 29 88 28 0 .01 3 13 1019 12 10 1900 28 89 27 0 .01 3 13 1020 12 10 2000 28 89 27 0 .01 3 13 1020 12 10 2100 29 89 28 0 .01 3 13 1020 12 10 2200 29 92 28 0 .01 3 13 1019 12 10 2300 27 95 27 0 .01 3 13 1019 12 11 0 27 97 26 0 .01 3 13 1019 12 11 100 28 98 27 0 .01 3 13 1018 12 11 200 28 99 28 0 .01 3 13 1017 12 11 300 28 100 28 0 .01 3 13 1017 12 11 400 28 100 28 0 .01 3 13 1016 12 11 500 28 100 28 0 .01 4 12 1014 12 11 600 28 100 28 0 .01 4 13 1014 12 11 700 28 100 28 0 .01 4 12 1012 12 11 800 28 100 28 0 .01 0 14 1012 12 11 900 29 100 29 0 .01 0 14 1011 12 11 1000 28 100 30 0 .01 0 14 1010 12 11 1100 28 100 31 0 .01 0 14 1009 12 11 1200 32 100 33 0 .01 0 14 1007 12 11 1300 34 100 35 .01 .02 1 14 1006 Total Prec. 4100' ------------------------------------------ .02 Page 1 12-11-2018 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 10 1400 22 27 30 92 100 43 63 261 0 0 0 7 12 10 1500 22 27 30 92 100 35 59 258 0 0 0 11 12 10 1600 22 27 30 92 100 32 52 263 0 0 0 11 12 10 1700 22 27 30 92 100 32 49 264 0 0 0 11 12 10 1800 21 27 30 92 100 35 51 256 0 0 0 11 12 10 1900 20 26 29 92 100 33 54 257 0 0 0 11 12 10 2000 20 26 29 92 100 30 44 254 0 0 0 11 12 10 2100 20 26 29 92 99 33 46 257 0 0 0 11 12 10 2200 20 26 28 91 96 35 52 258 0 0 0 11 12 10 2300 20 26 28 91 97 29 39 255 0 0 0 11 12 11 0 20 27 28 91 97 27 34 239 0 0 0 11 12 11 100 21 27 30 92 99 34 43 240 0 0 0 9 12 11 200 21 27 30 92 100 38 45 240 0 0 0 8 12 11 300 21 27 30 92 100 36 47 239 .01 .01 0 10 12 11 400 21 27 30 92 100 40 51 239 .01 .02 0 11 12 11 500 21 26 29 92 100 39 50 238 .01 .03 1 124 12 11 600 21 26 29 92 100 44 59 238 .02 .05 1 124 12 11 700 20 26 29 92 100 42 53 235 .04 .09 0 124 12 11 800 20 26 29 92 100 40 53 236 .02 .11 1 124 12 11 900 22 27 29 92 100 42 54 237 .02 .13 1 124 12 11 1000 24 29 31 93 100 45 61 246 .01 .14 1 7 12 11 1100 26 31 33 93 100 46 68 247 0 .14 1 7 12 11 1200 26 31 33 93 100 47 59 244 .01 .15 1 124 12 11 1300 27 31 33 93 100 45 60 244 .01 .16 1 124 Total Prec. 5160' ------------------------------------------------------------------------ .16 Page 1 12-11-2018 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 10 1400 25 31 98 89 1 6 12 252 0 0 0 10 12 10 1500 25 31 98 92 0 4 8 236 0 0 0 11 12 10 1600 23 30 98 95 2 6 14 248 .01 .01 0 11 12 10 1700 21 29 97 94 1 8 15 256 0 .01 0 13 12 10 1800 22 29 97 93 0 3 8 216 0 .01 0 12 12 10 1900 22 28 98 94 2 7 13 222 0 .01 0 14 12 10 2000 21 27 97 94 4 13 25 196 0 .01 0 11 12 10 2100 21 28 97 93 7 19 35 205 0 .01 0 11 12 10 2200 21 28 97 90 8 22 35 213 0 .01 0 11 12 10 2300 22 28 97 91 9 23 35 220 0 .01 0 11 12 11 0 22 29 97 89 9 24 39 217 0 .01 0 13 12 11 100 22 29 98 87 17 32 50 222 0 .01 0 12 12 11 200 23 30 98 85 14 36 57 221 0 .01 0 12 12 11 300 24 30 98 86 11 31 54 214 .01 .02 0 11 12 11 400 25 30 99 90 11 27 53 213 0 .02 1 11 12 11 500 27 31 99 88 11 29 51 228 .02 .04 2 12 12 11 600 28 32 99 91 14 32 52 234 .02 .06 2 12 12 11 700 28 33 99 88 20 34 51 226 .01 .07 2 12 12 11 800 29 33 100 91 19 30 50 226 .01 .08 2 12 12 11 900 30 34 100 90 11 23 40 221 0 .08 0 12 12 11 1000 30 34 100 94 13 26 42 233 .01 .09 0 12 12 11 1100 31 33 100 95 11 21 36 229 .02 .11 0 12 12 11 1200 31 35 100 91 11 29 53 235 .03 .14 0 11 12 11 1300 31 35 100 91 15 29 46 233 .07 .21 0 12 Total Prec. 4310' ------------------------------------------------------------------------ .21 Page 1 12-11-2018 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 10 1400 27 4 15 12 10 1500 25 4 15 12 10 1600 24 0 15 12 10 1700 23 0 15 12 10 1800 23 0 16 12 10 1900 23 1 16 12 10 2000 23 0 16 12 10 2100 23 0 16 12 10 2200 23 0 16 12 10 2300 23 0 16 12 11 0 24 0 15 12 11 100 25 0 16 12 11 200 25 0 16 12 11 300 27 0 15 12 11 400 27 0 15 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 Page 1 12-11-2018 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 10 1400 25 29 95 95 0 0 212 50 0 0 377 12 10 1500 25 29 95 96 0 0 217 48 0 0 377 12 10 1600 25 27 95 96 0 0 205 48 0 0 37 12 10 1700 23 26 94 98 0 0 217 47 0 0 377 12 10 1800 23 26 94 97 0 0 206 46 0 0 377 12 10 1900 23 26 94 97 0 0 205 47 0 0 377 12 10 2000 23 26 94 97 0 0 205 45 0 0 377 12 10 2100 23 26 94 98 0 0 200 45 0 0 377 12 10 2200 23 26 94 98 0 0 195 45 0 0 38 12 10 2300 23 25 94 98 0 0 200 45 0 0 37 12 11 0 23 26 94 99 0 0 204 44 0 0 377 12 11 100 23 26 94 99 0 1 212 44 .01 .01 377 12 11 200 24 26 94 98 0 3 182 43 0 .01 377 12 11 300 24 26 94 99 0 3 161 42 0 .01 377 12 11 400 24 26 95 99 0 3 164 43 0 .01 377 12 11 500 25 26 95 99 3 8 217 44 0 .01 377 12 11 600 25 26 95 99 5 12 244 46 0 .01 377 12 11 700 26 26 97 99 8 13 222 46 0 .01 377 12 11 800 27 27 98 99 10 12 231 46 0 .01 377 12 11 900 29 28 99 99 10 16 229 47 0 .01 377 12 11 1000 30 29 98 99 7 9 230 50 0 .01 377 12 11 1100 29 31 98 98 6 8 238 50 0 .01 377 12 11 1200 30 31 98 97 3 8 241 50 0 .01 377 12 11 1300 29 31 99 97 0 0 242 50 0 .01 377 Total Prec. 5500' ------------------------------------------------------------------------ .01 Page 1 12-11-2018 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 10 1400 24 26 96 97 6 15 281 26 12 10 1500 23 25 93 96 2 7 277 26 12 10 1600 20 21 95 95 5 12 317 27 12 10 1700 19 19 95 95 6 11 301 27 12 10 1800 20 20 98 95 6 14 189 27 12 10 1900 19 18 98 94 4 7 107 27 12 10 2000 20 19 98 95 7 11 178 27 12 10 2100 20 20 98 95 7 8 172 27 12 10 2200 20 20 98 95 7 9 168 258 12 10 2300 20 21 98 95 8 10 167 27 12 11 0 20 21 97 95 9 12 172 26 12 11 100 21 21 98 96 8 11 167 27 12 11 200 21 22 99 96 12 20 170 26 12 11 300 22 23 99 96 14 19 174 26 12 11 400 23 24 99 96 13 19 177 47 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 Page 1 12-11-2018 Northwest Avalanche Center Paradise, Mt Rainier National Park, Washington 24 hr depth sensor replaced 11/28/2018 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 10 1400 28 96 12 16 261 .01 .01 11 36 96 12 10 1500 28 96 13 21 260 .01 .02 11 31 82 12 10 1600 26 95 13 25 259 0 .02 0 36 32 12 10 1700 26 97 12 18 258 0 .02 0 36 1 12 10 1800 26 97 12 18 259 .01 .03 0 34 0 12 10 1900 26 97 12 20 263 0 .03 0 34 0 12 10 2000 27 97 8 13 261 0 .03 0 33 0 12 10 2100 26 97 10 13 261 0 .03 0 31 0 12 10 2200 26 96 7 11 265 0 .03 0 31 0 12 10 2300 26 96 5 10 249 0 .03 0 30 0 12 11 0 27 96 5 9 273 0 .03 0 29 0 12 11 100 27 96 7 16 257 .02 .05 0 36 0 12 11 200 27 96 7 11 268 .04 .09 1 37 0 12 11 300 27 97 8 15 287 .07 .16 3 32 0 12 11 400 28 97 6 13 279 .08 .24 5 36 0 12 11 500 29 97 3 6 276 .13 .37 6 31 0 12 11 600 29 98 5 14 275 .09 .46 7 41 0 12 11 700 31 99 13 19 272 .13 .59 7 42 0 12 11 800 32 99 16 26 275 .13 .72 7 41 0 12 11 900 32 99 15 24 280 .12 .84 7 41 8 12 11 1000 32 99 14 23 276 .11 .95 7 41 14 12 11 1100 32 99 15 21 274 .11 1.06 7 39 18 12 11 1200 32 99 16 26 269 .11 1.17 8 40 24 12 11 1300 33 99 17 25 271 .13 1.3 8 42 26 Total Prec. 5400' ------------------------------------------------------ 1.3 Page 1 12-11-2018 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 10 1400 11 85 8 17 32 239 322 12 10 1500 10 61 10 17 24 239 250 12 10 1600 7 91 0 10 22 239 128 12 10 1700 9 75 0 2 4 239 5 12 10 1800 13 49 0 2 10 239 0 12 10 1900 10 59 0 2 5 238 0 12 10 2000 19 63 0 7 22 238 0 12 10 2100 19 59 6 15 29 239 0 12 10 2200 16 76 10 17 30 238 0 12 10 2300 13 86 13 20 30 238 0 12 11 0 14 97 18 25 32 238 0 12 11 100 16 96 29 39 51 239 0 12 11 200 17 96 35 47 57 238 0 12 11 300 17 96 34 46 54 239 0 12 11 400 19 97 31 44 59 239 0 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 Page 1 12-11-2018 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 10 1400 26 96 16 27 39 260 .01 .01 24 12 10 1500 26 96 15 25 40 260 .01 .02 24 12 10 1600 26 96 11 21 33 260 0 .02 24 12 10 1700 25 97 10 19 31 260 .01 .03 24 12 10 1800 25 96 7 19 33 260 0 .03 24 12 10 1900 24 95 8 20 40 260 .01 .04 24 12 10 2000 24 95 9 18 34 260 .01 .05 24 12 10 2100 24 95 7 16 32 260 0 .05 24 12 10 2200 24 95 4 11 25 260 .01 .06 24 12 10 2300 24 95 2 8 20 260 0 .06 24 12 11 0 24 95 0 10 22 260 .01 .07 24 12 11 100 25 95 9 21 42 260 .01 .08 24 12 11 200 25 94 16 24 40 260 0 .08 24 12 11 300 25 95 8 25 44 260 0 .08 24 12 11 400 26 96 11 24 47 260 .01 .09 23 12 11 500 27 97 9 25 47 260 0 .09 24 12 11 600 28 97 6 19 37 260 0 .09 26 12 11 700 30 98 10 26 48 260 .01 .1 26 12 11 800 29 98 16 30 44 260 .01 .11 26 12 11 900 31 99 17 32 60 260 .02 .13 25 12 11 1000 31 98 21 36 66 260 .02 .15 26 12 11 1100 33 98 25 47 97 260 .02 .17 25 12 11 1200 33 97 25 57 91 256 .03 .2 25 12 11 1300 32 99 28 50 88 256 .03 .23 25 Total Prec. 5800' ------------------------------------------------------------------------ .23 Page 1 12-11-2018 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 10 1400 40 92 0 2 215 0 0 12 10 1500 40 95 0 5 285 0 0 12 10 1600 39 96 -0 0 249 0 0 12 10 1700 37 97 -0 0 165 0 0 12 10 1800 37 96 0 1 137 0 0 12 10 1900 37 97 0 2 150 0 0 12 10 2000 37 96 0 5 160 0 0 12 10 2100 37 96 0 6 168 0 0 12 10 2200 37 93 2 9 162 0 0 12 10 2300 38 92 4 13 166 0 0 12 11 0 38 90 7 17 177 0 0 12 11 100 39 89 7 14 164 0 0 12 11 200 38 91 5 15 160 0 0 12 11 300 37 95 6 20 153 0 0 12 11 400 36 96 5 17 146 .02 .02 12 11 500 36 97 7 21 131 .05 .07 12 11 600 36 98 5 15 102 .01 .08 12 11 700 36 98 5 13 107 .01 .09 12 11 800 36 99 4 18 134 .03 .12 12 11 900 37 99 4 13 150 .01 .13 12 11 1000 38 99 3 11 119 .01 .14 12 11 1100 39 100 3 13 143 .01 .15 12 11 1200 40 100 5 16 155 .07 .22 12 11 1300 40 100 3 12 155 .17 .39 Total Prec. 3260' ------------------------------------------------------ .39 Page 1 12-11-2018 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 10 1400 26 96 -0 5 13 303 0 0 2 21 12 10 1500 27 98 -0 5 13 303 0 0 0 20 12 10 1600 26 98 -0 2 7 296 .02 .02 2 23 12 10 1700 26 99 -0 2 7 300 0 .02 2 24 12 10 1800 25 96 0 4 11 312 0 .02 2 22 12 10 1900 24 95 3 6 11 320 0 .02 2 25 12 10 2000 24 90 0 4 9 329 0 .02 2 24 12 10 2100 23 91 1 5 9 335 0 .02 1 24 12 10 2200 23 91 0 4 8 323 0 .02 1 24 12 10 2300 24 89 -0 4 9 316 0 .02 2 24 12 11 0 24 86 0 6 12 311 0 .02 2 26 12 11 100 26 87 1 7 12 311 0 .02 2 24 12 11 200 26 88 -0 6 14 309 0 .02 2 24 12 11 300 26 90 0 5 13 301 0 .02 2 23 12 11 400 25 97 -0 4 14 295 .03 .05 2 25 12 11 500 27 99 0 4 10 287 .1 .15 2 22 12 11 600 30 100 -0 4 10 289 .11 .26 3 27 12 11 700 31 100 2 8 15 283 .04 .3 3 27 12 11 800 31 100 5 10 17 279 .08 .38 0 28 12 11 900 32 100 5 10 19 280 .12 .5 0 29 12 11 1000 32 100 3 11 23 284 .12 .62 0 28 12 11 1100 33 100 3 12 20 293 .09 .71 0 28 12 11 1200 33 100 5 12 20 292 .13 .84 0 27 12 11 1300 34 100 8 13 25 290 .09 .93 0 26 Total Prec. 5880' ------------------------------------------------------------ .93 Page 1 12-11-2018 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 10 1400 25 93 4 6 9 216 12 10 1500 25 93 4 6 10 210 12 10 1600 23 96 2 5 8 215 12 10 1700 23 97 1 3 6 217 12 10 1800 22 95 1 3 6 222 12 10 1900 22 94 2 3 6 210 12 10 2000 22 94 2 3 6 213 12 10 2100 21 88 1 3 7 212 12 10 2200 21 89 2 3 5 212 12 10 2300 22 82 3 4 8 212 12 11 0 22 80 4 7 12 208 12 11 100 23 83 5 9 14 212 12 11 200 23 81 4 9 16 214 12 11 300 23 93 6 11 17 213 12 11 400 23 99 5 9 14 217 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 Page 1 12-11-2018 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 10 1400 22 29 83 83 18 25 264 0 0 0 25 1019 12 10 1500 23 29 83 84 18 25 254 0 0 0 24 1020 12 10 1600 22 28 86 88 13 21 252 0 0 1 22 1020 12 10 1700 22 28 79 89 16 21 271 0 0 1 24 1020 12 10 1800 22 27 63 85 16 21 262 0 0 1 25 1020 12 10 1900 24 26 43 86 12 19 264 0 0 1 23 1020 12 10 2000 23 27 63 82 11 16 265 0 0 1 25 1020 12 10 2100 24 26 56 80 10 19 283 0 0 1 26 1020 12 10 2200 24 26 47 76 12 19 250 0 0 1 26 1019 12 10 2300 25 27 50 71 14 20 273 0 0 1 25 1019 12 11 0 24 29 56 65 16 23 258 0 0 1 25 1019 12 11 100 25 30 60 66 18 26 238 0 0 1 25 1019 12 11 200 25 30 58 66 19 27 272 0 0 1 25 1019 12 11 300 23 29 82 78 15 24 227 0 0 1 25 1018 12 11 400 23 28 90 90 13 27 251 .02 .02 1 26 1017 12 11 500 25 29 91 94 12 24 212 .1 .12 2 31 1016 12 11 600 28 31 92 96 13 26 225 .1 .22 2 27 1016 12 11 700 28 32 93 96 15 28 205 .05 .27 0 26 1015 12 11 800 29 32 95 96 14 26 282 .09 .36 0 26 1014 12 11 900 30 34 95 95 17 32 311 .09 .45 0 26 1013 12 11 1000 31 35 95 95 16 29 217 .11 .56 0 26 1013 12 11 1100 31 35 95 95 20 34 252 .07 .63 0 26 1012 12 11 1200 32 36 95 94 22 40 227 .1 .73 0 25 1012 12 11 1300 32 36 95 96 19 41 222 .07 .8 0 25 1010 Total Prec. 5380' ------------------------------------------------------------------ .8 Page 1 12-11-2018 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 10 1400 21 90 8 25 34 261 12 10 1500 21 91 12 27 37 261 12 10 1600 22 91 1 21 32 247 12 10 1700 20 90 8 23 32 260 12 10 1800 20 90 4 22 32 260 12 10 1900 19 87 3 20 28 261 12 10 2000 19 85 6 21 27 265 12 10 2100 20 69 7 19 26 246 12 10 2200 20 58 6 22 31 242 12 10 2300 22 65 8 23 33 238 12 11 0 21 66 12 26 35 247 12 11 100 22 71 7 28 37 240 12 11 200 22 75 11 30 41 236 12 11 300 21 90 8 29 38 229 12 11 400 23 92 5 26 36 238 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 Page 1 12-11-2018 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 10 1400 32 33 93 97 0 2 7 321 0 0 13 12 10 1500 32 33 94 97 0 2 6 311 .01 .01 15 12 10 1600 33 33 90 97 0 2 6 305 .01 .02 14 12 10 1700 32 32 89 97 0 1 4 301 0 .02 14 12 10 1800 31 32 89 98 0 1 3 295 0 .02 14 12 10 1900 31 32 88 98 0 2 6 293 0 .02 14 12 10 2000 31 32 86 98 0 2 4 291 0 .02 14 12 10 2100 29 31 90 98 0 1 4 292 0 .02 14 12 10 2200 29 31 91 98 1 2 4 277 0 .02 14 12 10 2300 29 31 88 98 1 2 4 285 0 .02 14 12 11 0 29 32 90 98 1 3 7 281 0 .02 14 12 11 100 31 32 86 98 0 2 6 285 0 .02 14 12 11 200 29 32 90 98 0 3 5 282 0 .02 14 12 11 300 30 32 86 98 0 3 6 274 0 .02 13 12 11 400 30 32 94 98 0 3 10 261 0 .02 12 12 11 500 29 32 99 98 2 6 9 238 .03 .05 13 12 11 600 30 32 99 98 1 5 11 235 .02 .07 14 12 11 700 32 32 99 98 1 3 12 257 .02 .09 15 12 11 800 32 32 99 98 0 3 8 272 .02 .11 15 12 11 900 33 33 97 98 0 2 5 278 .06 .17 15 12 11 1000 34 33 95 98 0 2 5 272 .07 .24 16 12 11 1100 35 33 98 98 1 4 9 284 .03 .27 15 12 11 1200 36 33 98 98 2 5 11 270 .09 .36 14 12 11 1300 37 36 98 98 1 8 23 270 .05 .41 14 Total Prec. 3660' ------------------------------------------------------------------------ .41 Page 1