12-15-2019 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 14 500 23 95 -0 0 1 153 0 0 -13 12 14 600 23 95 -0 0 2 158 0 0 234 12 14 700 23 95 -0 0 2 153 0 0 234 12 14 800 23 95 -0 1 4 160 0 0 234 12 14 900 23 95 -0 0 4 160 0 0 234 12 14 1000 26 95 -0 0 0 207 0 0 234 12 14 1100 27 95 -0 0 0 212 0 0 234 12 14 1200 27 95 -0 0 0 177 0 0 234 12 14 1300 28 95 -0 0 0 187 0 0 234 12 14 1400 27 93 -0 0 0 210 .01 .01 234 12 14 1500 27 95 -0 0 0 3 0 .01 234 12 14 1600 24 94 -0 0 0 346 .01 .02 234 12 14 1700 23 95 -0 0 0 309 0 .02 234 12 14 1800 23 95 -0 0 0 317 0 .02 234 12 14 1900 23 95 -0 0 0 308 0 .02 234 12 14 2000 23 95 -0 0 0 313 0 .02 234 12 14 2100 22 95 -0 0 0 237 0 .02 234 12 14 2200 22 96 -0 0 1 276 0 .02 234 12 14 2300 22 95 -0 0 5 323 0 .02 234 12 15 0 21 95 -0 0 3 313 0 .02 234 12 15 100 20 94 -0 0 3 311 0 .02 234 12 15 200 20 94 -0 0 3 343 0 .02 234 12 15 300 19 94 -0 0 3 351 0 .02 234 12 15 400 20 94 -0 0 6 303 0 .02 234 Total Prec. 5250' ------------------------------------------------------------ .02 Page 1 12-15-2019 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 14 500 24 26 65 99 0 1 4 169 0 0 3 36 12 14 600 24 27 67 99 1 3 5 169 0 0 3 35 12 14 700 24 27 63 99 3 4 6 169 0 0 3 35 12 14 800 24 27 63 99 3 5 8 169 0 0 0 35 12 14 900 24 28 64 98 2 4 6 169 0 0 0 34 12 14 1000 25 28 64 97 3 5 7 169 0 0 0 34 12 14 1100 27 30 67 96 3 4 5 169 0 0 0 33 12 14 1200 27 33 69 95 0 3 5 169 0 0 0 32 12 14 1300 27 30 65 95 0 3 5 169 .01 .01 0 33 12 14 1400 26 30 67 94 1 3 5 169 .01 .02 0 33 12 14 1500 25 28 69 96 1 3 4 169 .01 .03 0 33 12 14 1600 25 28 69 98 0 0 3 169 .04 .07 2 33 12 14 1700 24 28 69 99 0 0 0 169 0 .07 1 34 12 14 1800 24 27 67 100 0 0 0 169 0 .07 0 34 12 14 1900 24 27 66 99 0 0 0 169 0 .07 0 33 12 14 2000 23 26 66 97 0 0 0 169 0 .07 2 35 12 14 2100 23 25 66 98 0 0 0 169 0 .07 -0 32 12 14 2200 22 23 65 96 0 0 0 169 .03 .1 3 32 12 14 2300 22 23 65 96 0 0 0 169 0 .1 3 34 12 15 0 21 24 66 98 0 0 3 169 0 .1 3 35 12 15 100 21 24 66 97 0 0 1 169 0 .1 3 34 12 15 200 21 25 69 98 0 0 4 169 0 .1 3 34 12 15 300 21 24 69 97 0 0 2 169 0 .1 2 34 12 15 400 21 24 68 98 0 0 1 169 0 .1 2 32 Total Prec. 4210' ------------------------------------------------------------------------ .1 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Washington Pass, Washington Wind gages unheated and may rime Precipitation gage may measure condensation 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 14 500 17 14 96 87 5 8 275 44 0 0 26 12 14 600 17 12 95 87 5 8 320 43 0 0 26 12 14 700 17 12 95 88 1 4 291 45 0 0 26 12 14 800 18 13 96 86 1 5 274 46 .01 .01 26 12 14 900 18 15 95 87 2 6 267 47 0 .01 26 12 14 1000 20 19 97 87 4 7 234 52 0 .01 26 12 14 1100 19 21 96 86 3 6 239 54 0 .01 26 12 14 1200 21 25 96 83 3 6 234 57 0 .01 25 12 14 1300 20 24 94 79 0 4 64 56 0 .01 26 12 14 1400 20 24 94 79 1 6 108 54 0 .01 26 12 14 1500 19 24 96 84 1 3 58 57 0 .01 25 12 14 1600 18 21 97 86 0 3 51 56 .01 .02 26 12 14 1700 16 16 95 85 2 6 295 50 0 .02 25 12 14 1800 17 13 95 85 4 6 285 46 0 .02 25 12 14 1900 16 11 95 85 3 5 244 44 0 .02 25 12 14 2000 16 10 95 86 5 9 259 43 0 .02 25 12 14 2100 16 9 93 84 4 8 248 42 0 .02 25 12 14 2200 16 9 95 87 9 11 241 42 0 .02 25 12 14 2300 16 10 95 85 6 10 246 43 .01 .03 24 12 15 0 16 11 95 87 7 10 238 44 0 .03 24 12 15 100 16 13 95 87 6 9 251 44 0 .03 24 12 15 200 16 14 93 87 3 6 252 44 0 .03 25 12 15 300 15 14 95 86 3 9 299 46 0 .03 24 12 15 400 14 14 95 86 6 10 250 44 0 .03 25 Total Prec. 5450' ------------------------------------------------------------------------ .03 Page 1 12-15-2019 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 14 500 17 92 -0 0 0 0 0 0 0 9 12 14 600 17 93 0 0 0 0 0 0 0 9 12 14 700 14 90 0 0 0 0 0 0 0 9 12 14 800 13 90 0 0 0 0 0 0 0 9 12 14 900 14 90 4 0 0 0 0 0 0 9 12 14 1000 19 89 6 0 0 0 0 0 0 8 12 14 1100 23 88 9 0 0 0 0 0 0 8 12 14 1200 24 89 5 0 0 0 0 0 0 8 12 14 1300 27 89 7 0 0 0 0 0 0 8 12 14 1400 27 89 3 0 0 0 0 0 0 8 12 14 1500 25 91 2 0 0 0 0 0 0 8 12 14 1600 24 93 0 0 0 0 0 0 0 8 12 14 1700 21 93 0 0 0 0 0 0 0 8 12 14 1800 22 93 0 0 0 0 0 0 0 8 12 14 1900 22 95 0 0 0 0 0 0 0 8 12 14 2000 22 94 0 0 0 0 0 0 0 8 12 14 2100 21 94 0 0 0 0 0 0 0 8 12 14 2200 21 93 0 0 0 0 0 0 0 8 12 14 2300 21 93 0 0 0 0 0 0 0 8 12 15 0 21 93 0 0 0 0 0 0 0 8 12 15 100 18 90 0 0 0 0 0 0 0 8 12 15 200 17 91 0 0 0 0 0 0 0 8 12 15 300 17 91 0 0 0 0 0 0 0 8 12 15 400 18 91 0 0 0 0 0 0 0 8 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 12-15-2019 Northwest Avalanche Center Tye Mill and Skyline, 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 14 500 24 24 2 5 7 276 12 14 600 24 24 2 6 10 280 12 14 700 24 24 0 5 9 281 12 14 800 24 24 0 2 6 294 12 14 900 24 24 0 3 7 284 12 14 1000 24 26 1 5 9 273 12 14 1100 25 27 0 3 6 266 12 14 1200 26 29 0 3 6 277 12 14 1300 26 30 0 3 6 273 12 14 1400 25 29 0 4 8 272 12 14 1500 26 28 2 4 7 276 12 14 1600 25 26 0 2 4 276 12 14 1700 25 25 0 3 7 279 12 14 1800 24 25 0 3 5 275 12 14 1900 24 25 0 2 4 277 12 14 2000 24 25 0 3 6 276 12 14 2100 24 24 0 3 8 279 12 14 2200 24 24 0 3 7 281 12 14 2300 23 23 0 3 13 278 12 15 0 23 23 0 4 15 295 12 15 100 23 23 0 9 16 280 12 15 200 22 22 2 10 17 274 12 15 300 22 22 8 13 18 275 12 15 400 22 22 7 13 17 269 Page 1 12-15-2019 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 14 500 29 93 0 0 2 21 1011 12 14 600 28 92 0 0 2 21 1011 12 14 700 28 93 0 0 0 20 1011 12 14 800 28 93 0 0 0 20 1012 12 14 900 27 91 0 0 0 20 1012 12 14 1000 28 90 0 0 0 20 1011 12 14 1100 31 89 0 0 -0 19 1011 12 14 1200 31 86 0 0 -0 19 1011 12 14 1300 31 90 0 0 -0 19 1010 12 14 1400 30 92 0 0 0 19 1010 12 14 1500 30 93 .01 .01 0 19 1011 12 14 1600 30 93 .03 .04 0 19 1011 12 14 1700 29 94 .02 .06 0 20 1011 12 14 1800 29 93 .03 .09 1 19 1011 12 14 1900 29 93 0 .09 1 21 1010 12 14 2000 29 93 0 .09 1 21 1010 12 14 2100 29 93 0 .09 1 21 1011 12 14 2200 29 93 .02 .11 0 21 1010 12 14 2300 28 94 .06 .17 3 20 1011 12 15 0 28 94 0 .17 3 23 1011 12 15 100 28 94 .01 .18 4 22 1011 12 15 200 28 95 0 .18 3 22 1011 12 15 300 28 94 0 .18 3 23 1012 12 15 400 27 94 0 .18 3 22 1012 Total Prec. 3950' ------------------------------------ .18 Page 1 12-15-2019 Northwest Avalanche Center Brooks Chair, Stevens Pass Ski Area, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total PST F % Prec. Prec. Snow Snow 4800' 4800' 4800' 4800' 4800' 4800' ------------------------------------------------ 12 14 500 26 97 0 0 3 20 12 14 600 25 97 .01 .01 3 20 12 14 700 25 95 0 .01 3 20 12 14 800 24 95 0 .01 2 20 12 14 900 23 95 0 .01 0 20 12 14 1000 27 94 0 .01 0 20 12 14 1100 28 91 0 .01 0 19 12 14 1200 29 91 0 .01 -0 18 12 14 1300 29 92 0 .01 0 18 12 14 1400 28 92 0 .01 0 13 12 14 1500 28 94 .02 .03 0 19 12 14 1600 27 96 .01 .04 0 21 12 14 1700 26 96 .01 .05 0 20 12 14 1800 26 97 0 .05 0 19 12 14 1900 26 95 .01 .06 0 18 12 14 2000 25 95 0 .06 0 19 12 14 2100 25 96 0 .06 1 21 12 14 2200 25 95 .02 .08 2 19 12 14 2300 25 95 .02 .1 3 21 12 15 0 24 95 .01 .11 3 21 12 15 100 24 95 0 .11 3 19 12 15 200 24 94 0 .11 3 20 12 15 300 23 94 0 .11 3 20 12 15 400 23 94 .01 .12 3 20 Total Prec. 4800' ------------------------------------ .12 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Grace Lakes, Stevens Pass, Washington 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 14 500 25 96 23 104 12 14 600 24 96 23 103 12 14 700 25 96 23 103 12 14 800 24 95 23 104 12 14 900 24 95 23 103 12 14 1000 26 96 21 103 12 14 1100 28 96 18 101 12 14 1200 29 95 20 99 12 14 1300 29 94 20 98 12 14 1400 28 95 20 98 12 14 1500 28 95 22 100 12 14 1600 27 96 21 103 12 14 1700 26 96 24 104 12 14 1800 26 96 24 103 12 14 1900 25 96 18 102 12 14 2000 25 96 21 103 12 14 2100 25 95 23 103 12 14 2200 25 96 22 103 12 14 2300 25 96 25 103 12 15 0 24 95 22 102 12 15 100 24 95 23 103 12 15 200 24 95 23 102 12 15 300 23 95 22 100 12 15 400 23 95 23 101 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Berne Snow Camp (8 miles east of Stevens Pass), Washington 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 14 500 31 94 0 0 0 8 1011 12 14 600 31 94 0 0 0 8 1011 12 14 700 32 93 0 0 0 8 1011 12 14 800 32 92 0 0 0 8 1011 12 14 900 32 92 0 0 0 7 1012 12 14 1000 33 89 0 0 0 7 1012 12 14 1100 34 88 0 0 0 8 1011 12 14 1200 34 89 0 0 0 8 1011 12 14 1300 35 88 0 0 0 8 1011 12 14 1400 35 90 0 0 0 8 1011 12 14 1500 34 91 0 0 0 9 1011 12 14 1600 33 92 .01 .01 0 9 1011 12 14 1700 32 93 0 .01 0 9 1011 12 14 1800 31 94 0 .01 0 8 1011 12 14 1900 31 94 0 .01 0 9 1010 12 14 2000 30 95 0 .01 0 9 1011 12 14 2100 30 94 0 .01 0 9 1011 12 14 2200 29 94 0 .01 0 161 1011 12 14 2300 29 94 .03 .04 0 161 1012 12 15 0 29 94 .02 .06 1 161 1011 12 15 100 30 94 .01 .07 1 161 1012 12 15 200 31 94 0 .07 1 161 1012 12 15 300 31 94 .01 .08 2 161 1012 12 15 400 30 94 0 .08 2 161 1012 Total Prec. 2700' ------------------------------------ .08 Page 1 12-15-2019 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 14 500 20 93 0 0 0 277 12 14 600 20 93 0 0 0 270 12 14 700 20 93 0 0 0 253 12 14 800 20 93 0 0 0 266 12 14 900 21 93 0 0 0 273 12 14 1000 22 93 0 0 0 279 12 14 1100 24 94 0 0 0 326 12 14 1200 28 95 0 0 0 262 12 14 1300 27 95 0 0 0 256 12 14 1400 26 95 0 0 0 227 12 14 1500 24 94 0 0 0 279 12 14 1600 21 94 0 0 0 279 12 14 1700 21 93 0 0 0 281 12 14 1800 21 93 0 0 0 274 12 14 1900 20 93 0 0 0 272 12 14 2000 20 93 0 0 0 271 12 14 2100 20 93 0 0 0 260 12 14 2200 20 93 0 0 0 252 12 14 2300 19 93 0 0 0 272 12 15 0 19 93 0 0 0 275 12 15 100 19 93 0 0 0 269 12 15 200 19 93 0 0 0 261 12 15 300 19 93 0 0 0 264 12 15 400 18 93 0 0 0 267 Page 1 12-15-2019 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 14 500 32 97 0 0 0 143 0 0 0 4 12 14 600 31 97 0 0 0 143 0 0 0 4 12 14 700 31 96 0 0 0 143 0 0 0 4 12 14 800 30 96 0 0 0 143 0 0 0 4 12 14 900 30 96 0 0 0 143 0 0 0 4 12 14 1000 31 95 0 0 0 143 0 0 0 4 12 14 1100 32 95 0 0 0 142 0 0 1 4 12 14 1200 33 94 0 0 0 135 0 0 0 4 12 14 1300 33 94 0 0 0 132 0 0 0 4 12 14 1400 34 93 0 0 0 131 0 0 0 4 12 14 1500 34 95 0 0 0 131 0 0 0 4 12 14 1600 32 96 0 0 0 131 0 0 0 4 12 14 1700 31 97 0 0 0 131 0 0 0 4 12 14 1800 32 97 0 0 0 131 0 0 0 4 12 14 1900 31 98 0 0 0 131 0 0 0 4 12 14 2000 32 97 0 0 0 118 0 0 0 4 12 14 2100 32 97 0 0 1 115 0 0 0 4 12 14 2200 31 97 0 0 0 115 0 0 0 4 12 14 2300 32 97 0 0 0 110 0 0 0 4 12 15 0 31 97 0 0 0 110 0 0 0 4 12 15 100 31 96 0 0 0 110 0 0 0 4 12 15 200 31 96 0 0 0 110 0 0 0 4 12 15 300 30 95 0 0 0 109 0 0 0 4 12 15 400 29 95 0 0 0 108 0 0 0 4 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Tumwater Mountain and Leavenworth, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Hour Total 24 hr Total Total PST F F % % Avg Max Dir Prec. Prec. Snow Snow Snow 4180' 1190' 4180' 1190' 4180' 4180' 4180' 1190' 1190 1190' 1190' 4180' ------------------------------------------------------------------------------------ 12 14 500 29 33 67 100 2 6 358 0 0 0 -0 6 12 14 600 29 32 74 100 4 13 324 0 0 0 -0 4 12 14 700 29 32 75 100 7 13 310 0 0 0 -0 5 12 14 800 29 32 70 100 4 9 353 0 0 0 -0 5 12 14 900 28 32 78 99 2 8 316 0 0 0 -0 5 12 14 1000 30 32 61 99 0 2 5 0 0 0 -0 4 12 14 1100 29 33 73 96 1 4 95 0 0 0 -0 4 12 14 1200 29 33 79 94 2 6 129 .01 .01 0 -0 3 12 14 1300 30 34 76 92 2 5 136 0 .01 -0 -0 4 12 14 1400 31 35 73 92 0 3 133 0 .01 -0 -0 6 12 14 1500 30 34 75 92 0 2 270 0 .01 -0 -0 5 12 14 1600 29 34 78 94 0 3 299 0 .01 -0 -0 5 12 14 1700 28 33 79 95 0 3 269 0 .01 -0 -0 4 12 14 1800 28 33 84 95 0 2 245 0 .01 -0 -0 2 12 14 1900 28 33 84 95 0 2 223 0 .01 -0 -0 3 12 14 2000 27 33 84 95 0 2 37 0 .01 -0 -0 6 12 14 2100 25 32 100 94 1 4 93 0 .01 -0 -0 3 12 14 2200 25 32 100 95 0 6 250 0 .01 -0 -0 3 12 14 2300 27 33 74 93 2 6 315 0 .01 -0 -0 5 12 15 0 27 32 79 95 3 8 354 0 .01 -0 -0 4 12 15 100 27 32 74 97 3 6 16 0 .01 -0 -0 0 12 15 200 28 32 69 98 2 8 354 0 .01 -0 -0 3 12 15 300 27 32 75 97 7 16 307 0 .01 -0 -0 6 12 15 400 27 32 68 96 5 10 299 0 .01 -0 -0 5 Total Prec. 1190 ------------------------------------------------------------------ .01 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Mt Washington (about 6 miles SE of North Bend), Washington 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 14 500 12.4 27 272 0 12 14 600 12.4 27 272 0 12 14 700 12.4 27 272 0 12 14 800 12.4 27 272 0 12 14 900 12.4 27 272 0 12 14 1000 12.4 27 272 0 12 14 1100 12.5 28 272 1 12 14 1200 12.6 30 248 2 12 14 1300 12.6 30 224 1 12 14 1400 12.6 29 226 0 12 14 1500 12.5 28 227 0 12 14 1600 12.4 27 215 0 12 14 1700 12.4 27 207 0 12 14 1800 12.4 26 208 0 12 14 1900 12.4 26 207 0 12 14 2000 12.4 25 207 0 12 14 2100 12.4 25 207 0 12 14 2200 12.4 25 207 0 12 14 2300 12.4 25 207 0 12 15 0 12.4 25 207 0 12 15 100 12.4 25 207 0 12 15 200 12.4 25 207 0 12 15 300 12.4 25 207 0 12 15 400 12.4 24 208 0 Page 1 12-15-2019 Northwest Avalanche Center Alpental Ski Area, Washington Wind gages 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 14 500 24 27 31 99 95 0 4 268 0 0 3 17 5 35 5 12 14 600 25 27 32 99 96 0 3 268 .01 .01 3 16 5 35 5 12 14 700 24 27 32 100 95 0 2 268 0 .01 3 16 5 283 5 12 14 800 25 27 31 99 96 1 4 268 .02 .03 0 18 5 35 5 12 14 900 25 27 32 99 95 0 3 268 .01 .04 0 16 5 34 5 12 14 1000 26 30 33 97 97 1 3 268 0 .04 0 13 4 283 5 12 14 1100 28 32 35 96 100 0 1 268 .01 .05 0 11 5 34 5 12 14 1200 27 32 34 95 96 0 0 269 .01 .06 -0 14 5 34 5 12 14 1300 27 29 34 95 100 0 0 0 0 .06 0 12 6 283 6 12 14 1400 27 30 33 97 96 0 0 0 .04 .1 -0 14 6 35 6 12 14 1500 27 29 33 97 96 0 0 0 .04 .14 0 14 6 35 7 12 14 1600 26 28 32 99 95 0 0 0 .01 .15 0 15 6 35 7 12 14 1700 25 27 32 99 94 0 0 0 0 .15 0 15 6 35 7 12 14 1800 23 26 32 99 94 0 0 0 0 .15 0 15 6 35 7 12 14 1900 24 26 32 99 93 0 0 0 0 .15 0 15 6 36 7 12 14 2000 24 25 31 100 95 0 0 0 0 .15 0 15 6 35 7 12 14 2100 22 25 31 98 93 0 0 0 0 .15 0 16 6 283 7 12 14 2200 23 25 31 98 94 0 0 0 0 .15 0 15 6 283 6 12 14 2300 22 25 30 98 95 0 0 0 0 .15 0 15 6 283 6 12 15 0 23 25 30 98 94 0 0 0 0 .15 0 15 6 283 7 12 15 100 22 26 30 98 95 0 0 0 0 .15 0 15 6 283 6 12 15 200 21 25 31 98 94 0 0 0 .01 .16 0 14 6 283 6 12 15 300 22 25 31 99 94 0 0 0 0 .16 0 15 6 283 7 12 15 400 22 26 30 99 94 0 0 0 .01 .17 0 14 6 283 7 Total Prec. 3100' ------------------------------------------------------------------------ .17 Page 1 12-15-2019 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 14 500 12 14 600 12 14 700 12 14 800 12 14 900 12 14 1000 12 14 1100 12 14 1200 12 14 1300 12 14 1400 12 14 1500 12 14 1600 12 14 1700 12 14 1800 12 14 1900 12 14 2000 12 14 2100 12 14 2200 12 14 2300 12 15 0 12 15 100 12 15 200 12 15 300 12 15 400 Page 1 12-15-2019 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 14 500 30 29 31 100 6 8 217 .01 .01 3 8 1014 12 14 600 30 29 32 100 3 6 213 .01 .02 0 8 1014 12 14 700 29 29 32 100 1 4 209 .01 .03 0 209 1014 12 14 800 29 29 32 100 0 4 224 .01 .04 0 209 1014 12 14 900 29 30 32 100 2 11 199 .01 .05 0 209 1014 12 14 1000 30 30 33 97 0 3 192 .03 .08 0 209 1014 12 14 1100 32 31 36 89 1 4 234 .06 .14 0 209 1014 12 14 1200 32 31 35 90 1 4 226 .07 .21 0 11 1014 12 14 1300 33 32 35 91 2 6 229 .08 .29 0 209 1013 12 14 1400 32 31 35 94 6 10 218 .05 .34 0 10 1013 12 14 1500 32 30 33 97 7 10 225 .04 .38 0 10 1013 12 14 1600 30 30 32 100 6 8 222 .03 .41 0 209 1013 12 14 1700 30 29 32 100 4 9 230 .02 .43 0 209 1014 12 14 1800 30 29 32 100 4 8 233 .01 .44 0 209 1014 12 14 1900 29 28 32 100 3 5 226 .01 .45 0 209 1014 12 14 2000 29 28 32 100 3 7 236 .01 .46 0 209 1014 12 14 2100 30 28 31 100 4 10 233 .01 .47 0 9 1014 12 14 2200 29 28 31 100 8 11 220 0 .47 0 209 1014 12 14 2300 28 27 30 99 5 9 225 .01 .48 0 209 1014 12 15 0 28 27 31 100 7 11 230 0 .48 0 209 1014 12 15 100 28 27 31 100 9 13 228 .01 .49 0 8 1014 12 15 200 28 27 30 99 9 16 227 0 .49 0 10 1015 12 15 300 28 27 31 100 10 15 236 .01 .5 0 9 1015 12 15 400 27 27 30 99 11 14 224 0 .5 0 9 1015 Total Prec. 3010' ------------------------------------------------------------------ .5 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Blewett Pass, WA Precipitation gage may measure condensation 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 14 500 22 0 20 0 0 2 11 1011 12 14 600 21 0 19 0 0 2 11 1011 12 14 700 22 0 20 0 0 2 11 1012 12 14 800 23 0 22 0 0 0 11 1012 12 14 900 25 0 25 0 0 0 11 1012 12 14 1000 27 0 29 0 0 0 11 1012 12 14 1100 30 0 31 0 0 0 11 1012 12 14 1200 32 0 33 0 0 0 11 1011 12 14 1300 32 0 35 .02 .02 0 11 1011 12 14 1400 32 0 35 .01 .03 0 11 1011 12 14 1500 30 0 32 0 .03 0 11 1011 12 14 1600 29 0 31 0 .03 0 11 1011 12 14 1700 27 0 27 0 .03 0 11 1011 12 14 1800 26 0 25 0 .03 0 11 1011 12 14 1900 26 0 26 0 .03 0 11 1011 12 14 2000 26 0 25 0 .03 0 11 1011 12 14 2100 25 0 24 0 .03 0 11 1011 12 14 2200 22 0 21 0 .03 0 11 1011 12 14 2300 21 0 20 0 .03 0 11 1011 12 15 0 20 0 19 0 .03 0 11 1011 12 15 100 20 0 18 0 .03 0 11 1011 12 15 200 20 0 18 0 .03 0 11 1012 12 15 300 19 0 17 0 .03 0 11 1012 12 15 400 19 0 18 0 .03 0 11 1012 Total Prec. 4100' ------------------------------------------ .03 Page 1 12-15-2019 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 14 500 18 21 23 88 96 12 17 310 0 0 1 12 12 14 600 18 21 22 87 94 10 14 309 0 0 1 12 12 14 700 17 20 22 87 95 14 25 294 0 0 0 12 12 14 800 18 22 23 85 96 15 23 296 0 0 0 12 12 14 900 19 23 25 84 97 12 20 289 0 0 0 12 12 14 1000 21 25 27 86 93 9 17 281 0 0 0 12 12 14 1100 19 27 29 90 91 12 17 261 0 0 0 12 12 14 1200 20 27 29 91 92 11 18 266 0 0 0 12 12 14 1300 20 27 30 90 90 10 16 264 0 0 0 12 12 14 1400 20 27 30 91 89 8 13 265 0 0 0 12 12 14 1500 20 27 29 91 89 11 16 258 0 0 0 12 12 14 1600 19 26 28 92 93 10 16 268 0 0 0 11 12 14 1700 19 25 26 93 96 12 18 269 0 0 0 11 12 14 1800 19 23 26 93 98 10 17 275 0 0 0 11 12 14 1900 18 23 24 92 98 9 17 288 0 0 0 11 12 14 2000 18 21 24 92 98 4 9 295 0 0 0 13 12 14 2100 18 23 25 92 97 3 8 287 0 0 0 11 12 14 2200 17 20 24 92 95 3 9 281 0 0 0 12 12 14 2300 16 20 22 91 97 9 14 285 0 0 0 11 12 15 0 16 22 22 91 91 10 19 289 0 0 0 11 12 15 100 16 22 23 90 88 12 18 292 0 0 0 13 12 15 200 16 22 22 87 86 12 18 314 0 0 0 12 12 15 300 16 20 21 83 89 12 18 317 0 0 0 12 12 15 400 16 18 21 81 90 5 9 319 0 0 0 11 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 12-15-2019 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 14 500 19 22 97 93 1 6 11 238 0 0 0 13 12 14 600 18 22 96 94 1 6 11 221 0 0 0 13 12 14 700 18 22 96 91 2 5 9 231 0 0 0 13 12 14 800 18 22 96 91 0 6 10 249 0 0 0 15 12 14 900 20 23 97 92 0 3 11 177 0 0 0 13 12 14 1000 22 26 97 88 0 4 10 205 0 0 0 12 12 14 1100 23 28 98 85 0 2 8 189 0 0 0 13 12 14 1200 25 30 99 82 0 2 8 198 0 0 0 12 12 14 1300 25 29 99 86 0 1 5 209 0 0 -217 11 12 14 1400 24 29 98 86 0 0 4 273 .01 .01 0 13 12 14 1500 23 29 98 88 0 2 6 262 0 .01 0 -37 12 14 1600 21 28 97 93 0 3 8 256 .01 .02 1 15 12 14 1700 20 27 97 94 2 7 10 259 0 .02 1 13 12 14 1800 20 27 97 95 0 6 11 256 .02 .04 1 13 12 14 1900 19 27 97 95 3 8 13 267 0 .04 1 13 12 14 2000 18 26 96 95 4 9 13 263 0 .04 1 13 12 14 2100 18 25 96 93 4 8 11 263 0 .04 0 13 12 14 2200 17 22 96 92 8 12 19 271 0 .04 0 13 12 14 2300 17 21 96 91 7 12 18 269 0 .04 0 14 12 15 0 17 22 96 94 10 15 20 270 0 .04 0 14 12 15 100 17 22 96 93 7 16 25 268 0 .04 1 -33 12 15 200 17 23 96 94 7 18 26 273 0 .04 1 14 12 15 300 17 23 96 94 9 18 26 268 0 .04 1 28 12 15 400 17 24 96 93 8 19 29 267 0 .04 1 12 Total Prec. 4310' ------------------------------------------------------------------------ .04 Page 1 12-15-2019 Northwest Avalanche Center Green Valley and Campbell Basin, Crystal Mountain Ski Area, Washington MM/DD Hour Temp Temp 24 hr Total 24 hr Total PST F F Snow Snow Snow Snow 6230' 5940' 6230' 6230' 5940' 5940' ------------------------------------------------ 12 14 500 19 20 2 24 0 188 12 14 600 18 20 -0 23 0 188 12 14 700 18 19 -0 23 0 188 12 14 800 19 18 -0 23 0 188 12 14 900 20 20 -6 21 0 188 12 14 1000 25 23 -0 22 0 188 12 14 1100 24 24 -0 22 -0 188 12 14 1200 24 25 15 22 -0 188 12 14 1300 24 25 0 23 -0 188 12 14 1400 24 24 -0 239 0 188 12 14 1500 23 24 0 22 0 188 12 14 1600 22 23 0 23 0 188 12 14 1700 21 22 0 23 0 188 12 14 1800 21 22 1 24 0 188 12 14 1900 20 22 -5 24 0 188 12 14 2000 19 19 1 24 1 188 12 14 2100 17 17 0 24 0 188 12 14 2200 17 17 0 24 1 188 12 14 2300 17 17 0 23 0 188 12 15 0 17 18 0 24 0 188 12 15 100 18 19 0 23 0 188 12 15 200 18 19 2 23 0 188 12 15 300 18 19 0 23 0 188 12 15 400 18 19 0 23 0 188 Page 1 12-15-2019 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime Precipitation gage may measure condensation 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 14 500 20 23 96 90 0 0 205 46 .01 .01 377 12 14 600 20 23 96 90 0 0 203 46 .01 .02 377 12 14 700 20 22 96 90 0 0 192 44 0 .02 377 12 14 800 20 22 96 89 0 0 207 46 0 .02 377 12 14 900 21 23 96 90 0 0 193 48 .02 .04 377 12 14 1000 22 26 96 89 0 0 204 52 .02 .06 377 12 14 1100 23 27 97 86 0 0 189 51 .04 .1 377 12 14 1200 24 28 98 86 0 0 210 52 .07 .17 377 12 14 1300 23 26 97 87 0 0 212 50 .09 .26 377 12 14 1400 23 26 97 88 0 0 215 49 .07 .33 377 12 14 1500 22 25 96 88 0 0 215 50 .07 .4 377 12 14 1600 22 24 96 89 0 0 210 49 .04 .44 377 12 14 1700 21 23 96 90 0 0 209 47 .01 .45 377 12 14 1800 21 23 96 90 0 0 224 47 .01 .46 377 12 14 1900 21 23 96 90 0 0 223 47 .01 .47 377 12 14 2000 20 23 96 90 0 0 226 47 .02 .49 43 12 14 2100 20 23 96 90 0 0 222 47 .04 .53 377 12 14 2200 20 22 96 89 0 0 222 46 .01 .54 377 12 14 2300 19 22 95 90 0 0 221 45 .01 .55 377 12 15 0 19 22 96 89 0 0 215 46 .01 .56 377 12 15 100 19 21 96 89 0 0 224 45 .01 .57 43 12 15 200 19 21 95 90 0 0 225 46 .01 .58 43 12 15 300 19 22 95 90 0 0 228 46 .01 .59 42 12 15 400 18 21 95 89 0 0 229 42 .01 .6 377 Total Prec. 5500' ------------------------------------------------------------------------ .6 Page 1 12-15-2019 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 14 500 17 17 98 94 5 9 201 24 12 14 600 17 15 95 93 6 8 181 23 12 14 700 16 16 97 94 6 8 179 23 12 14 800 17 15 95 94 6 8 165 23 12 14 900 18 18 96 94 3 7 122 23 12 14 1000 21 20 93 93 4 7 169 23 12 14 1100 22 22 92 93 0 5 163 19 12 14 1200 25 25 89 87 0 4 53 21 12 14 1300 22 22 91 94 0 2 33 23 12 14 1400 23 23 93 94 0 2 151 25 12 14 1500 22 22 92 91 0 0 48 25 12 14 1600 19 21 93 92 0 1 345 25 12 14 1700 19 20 97 94 0 3 290 25 12 14 1800 17 19 97 93 0 4 315 25 12 14 1900 18 19 97 94 0 4 327 25 12 14 2000 17 17 96 92 0 2 176 24 12 14 2100 17 18 94 89 4 7 317 25 12 14 2200 17 18 93 90 5 9 324 25 12 14 2300 17 16 90 90 6 9 305 25 12 15 0 17 17 97 91 4 7 323 24 12 15 100 16 17 94 90 6 9 313 24 12 15 200 16 17 97 92 5 9 346 24 12 15 300 16 17 96 91 5 10 337 24 12 15 400 16 16 97 91 8 12 311 24 Page 1 12-15-2019 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 14 500 24 96 7 11 250 0 0 0 41 0 12 14 600 24 96 5 9 245 0 0 0 41 0 12 14 700 24 96 5 9 254 .01 .01 0 42 0 12 14 800 24 96 6 10 252 .03 .04 0 40 0 12 14 900 25 96 7 11 245 0 .04 2 41 24 12 14 1000 27 96 8 13 269 .05 .09 2 42 55 12 14 1100 27 95 9 13 268 .04 .13 3 41 84 12 14 1200 26 95 8 16 261 .09 .22 4 42 78 12 14 1300 27 95 10 16 266 .07 .29 4 40 98 12 14 1400 26 95 10 16 262 .05 .34 1 42 112 12 14 1500 25 96 9 14 255 .02 .36 1 44 49 12 14 1600 25 96 8 16 253 0 .36 1 42 30 12 14 1700 24 96 6 11 250 0 .36 1 43 2 12 14 1800 24 96 5 8 261 0 .36 1 43 0 12 14 1900 24 96 4 8 231 .01 .37 1 44 0 12 14 2000 24 96 3 6 234 .01 .38 1 43 0 12 14 2100 24 95 2 5 239 0 .38 1 284 0 12 14 2200 24 95 2 6 255 0 .38 2 39 0 12 14 2300 23 95 4 7 251 0 .38 2 42 0 12 15 0 23 95 5 10 255 .01 .39 2 44 0 12 15 100 23 96 4 9 268 .01 .4 2 44 0 12 15 200 22 95 4 10 254 .01 .41 2 44 0 12 15 300 22 95 4 9 275 .01 .42 2 44 0 12 15 400 22 95 7 13 250 0 .42 2 39 0 Total Prec. 5400' ------------------------------------------------------ .42 Page 1 12-15-2019 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 14 500 5 91 0 0 0 281 0 12 14 600 5 91 0 0 0 281 0 12 14 700 6 92 0 0 0 281 0 12 14 800 7 92 0 0 0 281 3 12 14 900 7 92 0 0 0 281 125 12 14 1000 8 93 0 0 0 281 218 12 14 1100 8 93 0 0 0 281 304 12 14 1200 9 93 0 0 0 281 347 12 14 1300 9 94 0 0 0 280 407 12 14 1400 9 93 0 0 0 280 339 12 14 1500 8 93 0 0 0 279 126 12 14 1600 7 92 0 0 0 278 60 12 14 1700 4 90 0 0 0 278 6 12 14 1800 3 90 0 0 0 278 0 12 14 1900 3 89 0 0 0 278 0 12 14 2000 2 89 0 0 0 278 0 12 14 2100 2 89 0 0 0 278 0 12 14 2200 2 89 0 0 0 278 0 12 14 2300 3 89 0 0 0 278 0 12 15 0 4 89 0 0 0 278 0 12 15 100 4 89 0 0 0 278 0 12 15 200 5 89 0 0 0 278 0 12 15 300 3 89 0 0 0 278 0 12 15 400 4 88 0 0 0 276 0 Page 1 12-15-2019 Northwest Avalanche Center White Pass Ski Area, Washington 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 14 500 23 98 11 18 30 298 0 0 36 12 14 600 22 97 13 19 27 296 0 0 36 12 14 700 22 97 6 14 23 292 0 0 36 12 14 800 22 97 7 15 27 282 0 0 36 12 14 900 23 97 8 13 20 286 .01 .01 36 12 14 1000 24 95 6 12 22 277 0 .01 36 12 14 1100 26 95 8 17 30 283 0 .01 36 12 14 1200 25 94 6 14 29 276 .01 .02 36 12 14 1300 26 94 7 17 28 280 .01 .03 36 12 14 1400 24 96 7 15 24 284 .01 .04 36 12 14 1500 23 95 11 20 30 288 .01 .05 36 12 14 1600 22 96 8 14 22 290 0 .05 36 12 14 1700 21 97 7 12 16 297 0 .05 36 12 14 1800 22 97 8 12 18 297 0 .05 36 12 14 1900 22 96 8 13 24 289 0 .05 36 12 14 2000 21 97 8 13 18 292 0 .05 36 12 14 2100 21 96 8 13 19 295 0 .05 36 12 14 2200 21 96 11 16 20 291 0 .05 36 12 14 2300 20 96 11 17 25 289 0 .05 36 12 15 0 19 96 11 18 25 291 0 .05 36 12 15 100 21 97 11 17 25 295 0 .05 36 12 15 200 20 97 10 19 31 293 0 .05 35 12 15 300 21 97 11 19 28 291 0 .05 35 12 15 400 21 96 14 26 43 295 0 .05 35 Total Prec. 5800' ------------------------------------------------------------------------ .05 Page 1 12-15-2019 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ Total Prec. 3260' ------------------------------------------------------ 0 Page 1 12-15-2019 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 14 500 22 97 2 6 14 296 0 0 0 31 12 14 600 22 96 2 8 16 301 .01 .01 0 31 12 14 700 23 97 -0 3 11 283 .04 .05 1 34 12 14 800 23 97 -0 6 14 289 .02 .07 1 34 12 14 900 23 97 0 5 10 289 .01 .08 1 34 12 14 1000 24 96 -0 3 10 279 0 .08 1 32 12 14 1100 24 96 -0 3 9 267 .01 .09 1 34 12 14 1200 24 95 -0 2 9 261 0 .09 1 33 12 14 1300 25 95 -0 0 5 263 0 .09 1 275 12 14 1400 24 96 -0 0 4 256 .03 .12 2 34 12 14 1500 24 96 -0 1 7 263 .02 .14 3 35 12 14 1600 24 96 -0 2 7 264 .01 .15 3 35 12 14 1700 23 95 -0 2 7 288 0 .15 2 35 12 14 1800 21 93 -0 3 8 324 0 .15 2 35 12 14 1900 20 92 -0 2 6 334 0 .15 2 35 12 14 2000 19 92 -0 0 6 344 0 .15 2 35 12 14 2100 19 93 -0 0 5 353 0 .15 2 34 12 14 2200 20 94 -0 5 9 330 0 .15 2 34 12 14 2300 20 93 -0 6 11 323 0 .15 2 33 12 15 0 19 92 2 7 12 322 0 .15 3 34 12 15 100 18 90 0 5 9 337 0 .15 3 35 12 15 200 18 91 2 7 14 335 0 .15 2 34 12 15 300 18 92 3 9 17 322 0 .15 2 34 12 15 400 18 92 5 12 20 324 0 .15 2 34 Total Prec. 5880' ------------------------------------------------------------ .15 Page 1 12-15-2019 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon Wind instruments out, repairs underway Wind instruments 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 14 500 19 97 0 1 6 85 12 14 600 19 97 0 0 6 91 12 14 700 20 97 0 0 8 89 12 14 800 19 97 0 0 7 75 12 14 900 20 97 0 0 8 53 12 14 1000 22 97 0 0 4 61 12 14 1100 22 97 0 0 4 351 12 14 1200 23 98 0 0 5 20 12 14 1300 23 98 0 0 3 101 12 14 1400 23 98 0 0 1 131 12 14 1500 22 98 0 0 4 103 12 14 1600 21 98 0 0 5 65 12 14 1700 20 97 0 0 7 79 12 14 1800 18 97 0 0 5 82 12 14 1900 18 96 0 0 5 79 12 14 2000 17 96 0 0 5 68 12 14 2100 17 96 0 0 6 93 12 14 2200 16 96 0 0 6 76 12 14 2300 16 96 0 0 5 75 12 15 0 16 96 0 0 6 81 12 15 100 15 95 0 0 7 77 12 15 200 15 95 0 0 7 76 12 15 300 14 95 0 0 7 73 12 15 400 15 95 0 0 7 84 Page 1 12-15-2019 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 14 500 19 24 89 93 20 26 279 0 0 1 32 1011 12 14 600 18 24 89 91 23 30 290 0 0 1 32 1011 12 14 700 20 25 89 94 16 28 231 .02 .02 0 32 1011 12 14 800 19 24 89 92 19 26 256 .02 .04 1 33 1011 12 14 900 19 25 89 94 18 26 242 .02 .06 1 32 1011 12 14 1000 20 26 89 93 9 16 229 0 .06 1 32 1012 12 14 1100 20 26 89 92 8 13 231 .01 .07 1 32 1011 12 14 1200 20 27 89 93 6 15 271 0 .07 0 32 1011 12 14 1300 20 26 89 93 5 12 258 .01 .08 1 32 1011 12 14 1400 20 26 89 94 5 11 231 .06 .14 1 32 1010 12 14 1500 20 26 89 93 8 13 269 .03 .17 2 33 1010 12 14 1600 19 25 89 93 8 14 249 .02 .19 2 33 1010 12 14 1700 18 24 89 93 6 15 9 0 .19 2 33 1010 12 14 1800 18 22 89 92 0 5 306 0 .19 2 33 1010 12 14 1900 17 20 89 92 1 4 222 0 .19 2 33 1010 12 14 2000 17 19 88 92 2 5 122 0 .19 2 33 1010 12 14 2100 15 18 88 92 0 2 231 0 .19 2 33 1010 12 14 2200 16 18 88 92 1 7 9 0 .19 2 33 1011 12 14 2300 16 18 87 91 1 6 190 0 .19 2 33 1011 12 15 0 16 18 88 91 0 0 349 0 .19 2 33 1011 12 15 100 15 17 87 91 0 2 211 0 .19 2 33 1011 12 15 200 15 17 86 88 3 21 5 0 .19 2 33 1011 12 15 300 16 16 86 89 9 20 42 0 .19 2 33 1012 12 15 400 14 16 86 90 7 16 38 0 .19 2 32 1012 Total Prec. 5380' ------------------------------------------------------------------ .19 Page 1 12-15-2019 Northwest Avalanche Center 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 14 500 17 91 0 0 0 272 12 14 600 17 91 0 0 0 272 12 14 700 18 91 0 0 0 261 12 14 800 18 91 0 0 0 264 12 14 900 18 91 0 0 0 265 12 14 1000 19 91 0 0 0 245 12 14 1100 21 90 0 0 0 233 12 14 1200 21 91 0 0 0 237 12 14 1300 21 92 0 0 0 228 12 14 1400 21 92 0 0 0 229 12 14 1500 20 91 0 0 0 241 12 14 1600 19 92 0 0 0 238 12 14 1700 17 90 0 0 0 301 12 14 1800 16 89 0 0 0 313 12 14 1900 15 88 0 0 0 277 12 14 2000 15 87 0 0 0 283 12 14 2100 15 88 0 0 0 250 12 14 2200 15 88 0 0 0 271 12 14 2300 13 86 0 0 0 256 12 15 0 13 87 0 0 0 322 12 15 100 11 85 0 0 0 284 12 15 200 13 87 0 0 0 293 12 15 300 13 87 0 0 0 285 12 15 400 13 87 0 0 0 289 Page 1 12-15-2019 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' ------------------------------------------------------------------------------ Total Prec. 3660' ------------------------------------------------------------------------ 0 Page 1