12-12-2019 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 11 500 30 74 2 5 8 141 0 0 8 12 11 600 28 82 4 7 13 139 0 0 7 12 11 700 27 89 8 12 18 140 0 0 6 12 11 800 28 83 8 13 19 138 0 0 7 12 11 900 30 87 6 12 18 141 0 0 6 12 11 1000 32 93 6 11 17 148 0 0 6 12 11 1100 33 96 7 11 17 156 0 0 5 12 11 1200 33 97 10 15 26 153 0 0 5 12 11 1300 32 98 6 13 25 161 0 0 234 12 11 1400 32 98 9 13 19 174 .01 .01 234 12 11 1500 31 98 7 12 20 166 .01 .02 234 12 11 1600 30 98 9 15 21 164 0 .02 234 12 11 1700 29 98 10 16 27 173 .02 .04 234 12 11 1800 30 98 11 18 28 162 .03 .07 234 12 11 1900 30 98 10 18 30 169 .01 .08 234 12 11 2000 30 98 10 18 30 164 .02 .1 234 12 11 2100 30 98 9 16 26 159 .01 .11 234 12 11 2200 31 98 10 16 25 157 .02 .13 178 12 11 2300 31 98 9 14 24 161 .02 .15 234 12 12 0 30 98 6 13 24 188 .08 .23 234 12 12 100 29 98 4 13 27 188 .04 .27 234 12 12 200 29 98 5 12 22 184 .02 .29 234 12 12 300 28 97 7 13 23 173 .02 .31 234 12 12 400 29 98 5 10 18 169 .04 .35 234 Total Prec. 5250' ------------------------------------------------------------ .35 Page 1 12-12-2019 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 11 500 28 31 62 94 9 13 18 152 0 0 0 3 12 11 600 29 32 62 95 8 12 17 154 0 0 0 3 12 11 700 29 32 59 98 8 13 23 154 0 0 0 3 12 11 800 28 31 54 98 13 20 28 154 .02 .02 0 3 12 11 900 28 31 50 95 16 23 30 147 0 .02 0 4 12 11 1000 28 32 53 90 15 23 30 154 0 .02 0 5 12 11 1100 28 32 58 89 9 19 25 163 0 .02 0 5 12 11 1200 28 33 63 84 7 15 27 171 0 .02 0 4 12 11 1300 28 33 60 87 2 10 20 191 0 .02 0 2 12 11 1400 28 31 60 99 11 17 25 175 .03 .05 1 3 12 11 1500 30 32 55 99 6 19 31 173 .04 .09 1 2 12 11 1600 29 32 54 100 22 30 43 162 .07 .16 1 -0 12 11 1700 29 32 58 100 12 26 36 168 .05 .21 2 3 12 11 1800 29 32 60 100 8 21 34 164 .05 .26 3 3 12 11 1900 29 31 63 100 6 16 26 161 .08 .34 4 2 12 11 2000 29 31 61 100 6 16 28 158 .08 .42 4 6 12 11 2100 30 32 69 100 4 11 23 162 .09 .51 4 5 12 11 2200 30 32 53 100 4 19 32 157 .1 .61 6 350 12 11 2300 29 32 60 100 15 22 32 148 .07 .68 6 9 12 12 0 29 32 60 100 15 21 29 148 .09 .77 7 12 12 12 100 30 32 48 100 17 25 32 135 .16 .93 7 12 12 12 200 29 32 51 100 7 16 27 151 .14 1.07 8 10 12 12 300 29 32 63 100 2 10 23 155 .06 1.13 9 14 12 12 400 29 32 67 100 3 8 18 151 .03 1.16 9 350 Total Prec. 4210' ------------------------------------------------------------------------ 1.16 Page 1 12-12-2019 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 11 500 24 23 98 88 3 7 282 51 0 0 15 12 11 600 23 20 99 91 9 13 250 50 0 0 16 12 11 700 22 22 97 92 8 12 233 50 0 0 16 12 11 800 23 24 99 93 7 10 225 51 0 0 16 12 11 900 23 25 97 92 6 8 225 53 0 0 16 12 11 1000 23 26 97 91 7 9 228 56 0 0 16 12 11 1100 25 27 73 91 8 10 228 57 .01 .01 15 12 11 1200 26 28 73 87 10 13 217 59 0 .01 16 12 11 1300 28 28 64 89 9 12 228 56 0 .01 16 12 11 1400 26 27 88 89 9 13 221 57 0 .01 16 12 11 1500 24 24 97 88 7 10 235 52 0 .01 16 12 11 1600 23 18 98 88 4 8 224 45 0 .01 16 12 11 1700 23 18 95 89 4 8 237 44 .01 .02 16 12 11 1800 23 18 98 89 9 12 239 42 .01 .03 16 12 11 1900 22 18 97 88 6 8 231 45 .01 .04 16 12 11 2000 21 17 97 88 4 7 210 44 .02 .06 17 12 11 2100 22 17 97 88 6 10 219 46 .01 .07 16 12 11 2200 21 17 97 88 5 8 235 44 .01 .08 17 12 11 2300 22 17 96 88 7 11 244 46 .05 .13 18 12 12 0 22 17 98 90 11 15 237 49 .03 .16 18 12 12 100 23 18 96 89 12 17 236 50 .05 .21 18 12 12 200 24 18 98 89 13 20 235 48 .04 .25 19 12 12 300 23 19 98 90 15 24 229 49 .06 .31 20 12 12 400 23 20 98 93 12 16 240 50 .05 .36 21 Total Prec. 5450' ------------------------------------------------------------------------ .36 Page 1 12-12-2019 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 11 500 21 93 0 0 1 73 0 0 2 3 12 11 600 21 94 0 0 0 0 0 0 2 3 12 11 700 22 94 0 0 0 316 0 0 2 2 12 11 800 22 94 7 0 1 101 0 0 2 2 12 11 900 23 93 23 0 0 0 0 0 2 2 12 11 1000 24 94 37 0 1 3 0 0 2 2 12 11 1100 26 92 83 0 0 0 0 0 2 2 12 11 1200 27 91 51 0 0 0 0 0 2 3 12 11 1300 28 90 24 0 0 0 0 0 2 3 12 11 1400 28 92 19 0 0 0 0 0 2 3 12 11 1500 28 92 7 0 0 0 0 0 2 3 12 11 1600 28 93 0 0 0 0 0 0 2 3 12 11 1700 28 93 0 0 0 0 0 0 2 2 12 11 1800 28 94 0 0 0 0 .01 .01 2 2 12 11 1900 28 94 -0 0 0 0 0 .01 2 2 12 11 2000 28 94 0 0 0 0 .01 .02 2 3 12 11 2100 27 94 -0 0 0 0 0 .02 2 3 12 11 2200 27 94 0 0 0 0 0 .02 2 3 12 11 2300 27 94 0 0 0 0 0 .02 2 3 12 12 0 27 94 0 0 0 0 .01 .03 2 3 12 12 100 27 94 0 0 0 0 .02 .05 2 2 12 12 200 27 95 -0 0 0 0 0 .05 3 3 12 12 300 27 95 0 0 0 0 .07 .12 4 4 12 12 400 27 96 0 0 0 0 .03 .15 46 3 Total Prec. 2170' ------------------------------------------------------------ .15 Page 1 12-12-2019 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 11 500 29 30 0 2 7 287 12 11 600 29 29 0 3 11 287 12 11 700 29 29 0 2 6 266 12 11 800 28 28 0 2 7 263 12 11 900 31 29 0 3 9 189 12 11 1000 32 31 1 5 7 94 12 11 1100 33 32 0 4 6 93 12 11 1200 31 31 3 5 6 96 12 11 1300 31 29 2 6 9 93 12 11 1400 29 31 2 5 8 94 12 11 1500 29 31 0 3 6 134 12 11 1600 30 30 0 2 10 179 12 11 1700 28 30 0 4 6 102 12 11 1800 23 25 4 7 9 98 12 11 1900 22 25 5 6 9 97 12 11 2000 21 24 5 7 9 97 12 11 2100 21 23 5 7 10 97 12 11 2200 20 23 5 7 10 98 12 11 2300 21 25 5 8 11 95 12 12 0 21 28 3 6 9 91 12 12 100 28 30 0 3 16 263 12 12 200 30 30 0 4 13 263 29 29 Page 1 12-12-2019 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 11 500 30 94 0 0 0 6 1014 12 11 600 31 95 0 0 0 6 1014 12 11 700 32 95 0 0 0 6 1014 12 11 800 32 94 0 0 0 6 1014 12 11 900 31 94 0 0 -0 6 1014 12 11 1000 33 94 0 0 0 6 1014 12 11 1100 33 94 0 0 0 7 1013 12 11 1200 32 95 0 0 0 7 1013 12 11 1300 31 94 0 0 0 6 1012 12 11 1400 29 94 0 0 0 7 1012 12 11 1500 29 94 .04 .04 0 7 1012 12 11 1600 28 95 .02 .06 0 7 1012 12 11 1700 27 95 .01 .07 -0 7 1011 12 11 1800 26 95 .02 .09 1 8 1010 12 11 1900 26 95 .01 .1 1 7 1009 12 11 2000 25 95 .01 .11 1 8 1009 12 11 2100 25 95 .02 .13 0 10 1008 12 11 2200 24 95 .04 .17 3 10 1008 12 11 2300 24 95 0 .17 3 11 1008 12 12 0 24 95 .03 .2 2 11 1008 12 12 100 24 95 .1 .3 4 11 1007 12 12 200 29 97 .07 .37 5 12 1008 12 12 300 33 94 .05 .42 6 12 1009 12 12 400 33 90 .03 .45 5 11 1010 Total Prec. 3950' ------------------------------------ .45 Page 1 12-12-2019 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 11 500 31 100 0 0 4 214 12 11 600 30 98 0 0 4 4 12 11 700 30 94 0 0 4 3 12 11 800 29 93 0 0 4 7 12 11 900 30 89 0 0 4 5 12 11 1000 31 89 0 0 0 6 12 11 1100 32 88 0 0 0 6 12 11 1200 31 92 0 0 0 214 12 11 1300 29 100 0 0 0 2 12 11 1400 29 100 0 0 0 7 12 11 1500 29 100 .03 .03 0 7 12 11 1600 29 100 .05 .08 0 214 12 11 1700 27 100 .01 .09 0 7 12 11 1800 25 100 .02 .11 2 8 12 11 1900 24 99 .01 .12 2 9 12 11 2000 23 98 .03 .15 2 6 12 11 2100 22 98 .02 .17 3 9 12 11 2200 22 96 .02 .19 4 8 12 11 2300 22 96 .02 .21 4 11 12 12 0 22 96 .02 .23 4 11 12 12 100 29 100 .1 .33 5 8 12 12 200 31 100 .06 .39 6 13 12 12 300 30 100 .06 .45 5 13 12 12 400 30 100 .06 .51 6 13 Total Prec. 4800' ------------------------------------ .51 Page 1 12-12-2019 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 11 500 30 100 8 196 12 11 600 29 100 8 191 12 11 700 29 100 9 158 12 11 800 28 100 9 137 12 11 900 29 97 9 108 12 11 1000 30 96 8 94 12 11 1100 31 95 8 91 12 11 1200 31 95 6 82 12 11 1300 30 96 10 92 12 11 1400 29 97 9 95 12 11 1500 29 97 9 98 12 11 1600 30 100 9 107 12 11 1700 29 96 11 97 12 11 1800 25 96 11 96 12 11 1900 24 96 11 94 12 11 2000 23 95 11 95 12 11 2100 22 95 12 94 12 11 2200 23 95 13 94 12 11 2300 22 95 13 94 12 12 0 23 96 11 95 12 12 100 28 100 13 105 12 12 200 30 100 12 123 12 12 300 30 100 14 116 12 12 400 29 100 14 103 Page 1 12-12-2019 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 11 500 28 92 0 0 2 4 1014 12 11 600 28 92 0 0 2 4 1014 12 11 700 28 92 0 0 0 5 1015 12 11 800 28 92 0 0 0 4 1015 12 11 900 29 90 0 0 0 4 1015 12 11 1000 31 88 0 0 0 5 1015 12 11 1100 31 89 0 0 0 5 1014 12 11 1200 31 88 0 0 0 5 1014 12 11 1300 32 88 0 0 0 4 1013 12 11 1400 30 91 0 0 0 5 1012 12 11 1500 31 91 .01 .01 0 5 1013 12 11 1600 30 92 .04 .05 0 5 1012 12 11 1700 29 92 .01 .06 0 2 1012 12 11 1800 29 92 .04 .1 2 3 1011 12 11 1900 28 92 .02 .12 2 6 1011 12 11 2000 28 92 .02 .14 2 5 1010 12 11 2100 28 92 .04 .18 3 6 1009 12 11 2200 27 92 .07 .25 3 6 1009 12 11 2300 28 92 .03 .28 3 7 1009 12 12 0 28 92 .02 .3 4 7 1009 12 12 100 28 92 .1 .4 5 10 1008 12 12 200 27 93 .09 .49 6 11 1008 12 12 300 27 92 .01 .5 6 11 1009 12 12 400 27 93 .02 .52 6 11 1008 Total Prec. 2700' ------------------------------------ .52 Page 1 12-12-2019 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 11 500 26 95 6 10 15 240 12 11 600 26 95 5 11 16 231 12 11 700 25 95 5 11 18 230 12 11 800 25 95 10 15 19 231 12 11 900 26 95 5 12 18 229 12 11 1000 26 95 3 6 11 257 12 11 1100 27 95 2 7 15 239 12 11 1200 29 96 1 7 13 240 12 11 1300 28 96 0 2 4 226 12 11 1400 25 95 0 3 6 118 12 11 1500 25 95 3 4 6 144 12 11 1600 25 95 0 3 4 206 12 11 1700 25 95 1 7 13 231 12 11 1800 24 95 0 1 3 109 12 11 1900 24 95 2 5 8 109 12 11 2000 25 95 4 6 9 142 12 11 2100 24 94 4 6 8 168 12 11 2200 22 94 4 6 11 169 12 11 2300 23 95 2 6 9 149 12 12 0 26 95 2 6 9 205 12 12 100 26 96 3 12 24 230 12 12 200 26 95 13 23 36 235 12 12 300 25 95 17 25 38 230 12 12 400 24 95 13 20 30 240 Page 1 12-12-2019 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 11 500 27 96 0 0 0 99 0 0 2 -2 12 11 600 28 96 0 0 0 99 0 0 2 -2 12 11 700 28 96 0 0 0 99 0 0 2 -2 12 11 800 29 95 0 0 0 99 0 0 2 123 12 11 900 30 95 0 0 0 99 0 0 2 123 12 11 1000 32 93 0 0 0 99 0 0 2 123 12 11 1100 32 92 0 0 0 111 0 0 2 123 12 11 1200 33 92 0 0 0 81 0 0 2 123 12 11 1300 33 94 0 0 0 53 0 0 2 -2 12 11 1400 32 95 0 0 0 51 0 0 2 -2 12 11 1500 32 95 0 0 0 60 0 0 2 -1 12 11 1600 31 95 0 0 0 57 0 0 2 123 12 11 1700 31 95 0 0 0 57 .01 .01 2 123 12 11 1800 30 96 0 0 0 57 .01 .02 2 123 12 11 1900 30 96 0 0 0 57 0 .02 3 -0 12 11 2000 30 96 0 0 0 57 .02 .04 3 123 12 11 2100 30 96 0 0 0 57 .03 .07 3 123 12 11 2200 30 96 0 0 0 57 .04 .11 4 123 12 11 2300 30 96 0 0 0 57 .02 .13 4 2 12 12 0 30 96 0 0 0 57 0 .13 4 123 12 12 100 30 96 0 0 0 61 .07 .2 5 123 12 12 200 30 96 0 0 0 66 .08 .28 7 123 12 12 300 29 96 0 0 0 84 .03 .31 7 4 12 12 400 28 96 0 0 0 100 0 .31 7 4 Total Prec. 1930' ------------------------------------------------------------ .31 Page 1 12-12-2019 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 11 500 28 31 100 100 1 4 136 0 0 -0 -0 5 12 11 600 29 31 100 100 0 2 197 0 0 -0 -0 5 12 11 700 27 31 100 98 1 4 80 0 0 -0 -0 6 12 11 800 29 31 100 99 3 6 120 0 0 -0 -0 5 12 11 900 31 32 100 98 1 5 144 0 0 -0 -0 2 12 11 1000 31 32 100 96 4 6 125 .01 .01 -0 -0 5 12 11 1100 32 33 100 93 1 3 219 .01 .02 -0 -0 6 12 11 1200 32 33 97 92 1 5 259 0 .02 -0 -0 5 12 11 1300 28 33 93 91 0 4 249 0 .02 -0 -0 7 12 11 1400 25 34 100 90 1 5 291 0 .02 -0 -0 7 12 11 1500 24 34 100 91 1 5 269 0 .02 -0 -0 7 12 11 1600 24 33 100 94 0 3 351 0 .02 -0 -0 8 12 11 1700 24 32 100 97 0 3 267 0 .02 -0 -0 8 12 11 1800 23 32 100 98 0 3 250 0 .02 -0 -0 6 12 11 1900 22 32 99 99 0 3 262 0 .02 -0 -0 7 12 11 2000 22 32 98 100 0 2 282 0 .02 -0 -0 6 12 11 2100 22 32 98 100 0 1 111 0 .02 -0 -0 6 12 11 2200 22 31 98 100 0 5 229 0 .02 0 -0 0 12 11 2300 23 31 98 100 1 5 172 0 .02 0 -1 173 12 12 0 22 31 98 100 1 4 267 0 .02 -0 -2 173 12 12 100 23 31 99 100 0 5 288 0 .02 0 2 173 12 12 200 23 31 99 100 3 9 99 0 .02 0 0 2 12 12 300 26 31 100 100 5 18 335 0 .02 0 44 173 12 12 400 31 31 100 100 9 20 321 0 .02 2 0 173 Total Prec. 1190 ------------------------------------------------------------------ .02 Page 1 12-12-2019 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 11 500 12.6 31 230 0 12 11 600 12.6 31 222 0 12 11 700 12.6 31 219 0 12 11 800 12.6 31 190 0 12 11 900 12.6 31 180 0 12 11 1000 12.6 33 183 2 12 11 1100 12.8 34 183 2 12 11 1200 12.9 34 178 3 12 11 1300 12.8 33 184 2 12 11 1400 12.7 32 201 2 12 11 1500 12.7 32 210 2 12 11 1600 12.7 31 192 0 12 11 1700 12.6 31 174 0 12 11 1800 12.6 31 130 0 12 11 1900 12.6 31 144 0 12 11 2000 12.6 31 174 0 12 11 2100 12.6 31 175 0 12 11 2200 12.6 32 190 0 12 11 2300 12.6 33 201 0 12 12 0 12.6 32 220 0 12 12 100 12.5 33 231 0 12 12 200 12.5 32 225 0 12 12 300 12.5 32 239 0 12 12 400 12.5 31 242 0 Page 1 12-12-2019 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 11 500 29 32 30 99 97 8 22 268 0 0 2 4 32 18 272 12 11 600 29 32 30 99 95 11 25 268 0 0 2 4 33 18 273 12 11 700 28 32 29 99 96 12 20 268 0 0 2 4 33 18 276 12 11 800 28 32 30 99 94 11 22 268 0 0 2 4 33 18 -7999 12 11 900 30 33 30 100 94 12 23 268 0 0 0 4 33 17 311 12 11 1000 30 30 30 99 95 12 21 268 .01 .01 0 4 33 17 287 12 11 1100 30 32 30 99 100 10 23 268 0 .01 0 3 33 17 286 12 11 1200 31 31 31 98 100 12 16 268 0 .01 0 3 33 17 281 12 11 1300 29 31 31 99 100 13 18 268 .02 .03 0 3 34 17 278 12 11 1400 29 30 31 99 100 10 16 268 .03 .06 0 2 34 17 273 12 11 1500 29 32 31 99 95 17 27 268 .01 .07 0 3 33 16 275 12 11 1600 30 29 30 99 100 11 27 268 0 .07 0 3 34 14 276 12 11 1700 28 28 30 99 100 9 13 268 .03 .1 0 3 34 283 275 12 11 1800 27 26 29 99 100 14 19 268 .01 .11 0 4 34 283 272 12 11 1900 27 25 28 99 100 18 24 268 .01 .12 0 4 35 283 270 12 11 2000 27 24 28 99 100 18 25 268 .05 .17 1 5 33 283 267 12 11 2100 27 24 28 99 100 19 26 268 .1 .27 2 5 34 13 268 12 11 2200 27 24 28 98 100 21 28 268 .07 .34 2 6 34 283 272 12 11 2300 28 24 28 98 100 20 27 268 .09 .43 3 7 33 17 268 12 12 0 27 24 28 99 100 19 30 268 .12 .55 4 8 35 283 272 12 12 100 28 28 28 99 100 23 47 268 .13 .68 5 9 34 16 269 12 12 200 29 32 29 99 100 24 48 268 .07 .75 5 10 31 283 271 12 12 300 27 32 31 100 100 29 54 268 .03 .78 5 10 33 14 270 12 12 400 27 31 32 100 100 21 43 268 .01 .79 5 10 33 17 275 Total Prec. 3100' ------------------------------------------------------------------------ .79 Page 1 12-12-2019 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 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 12-12-2019 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 11 500 34 31 30 100 2 10 97 0 0 28 3 1017 12 11 600 34 31 30 100 5 12 189 0 0 28 3 1017 12 11 700 35 32 30 100 3 9 168 0 0 28 3 1018 12 11 800 34 31 30 100 5 8 108 0 0 28 3 1017 12 11 900 34 29 30 100 6 9 75 0 0 0 3 1017 12 11 1000 29 31 30 100 13 18 101 0 0 0 3 1017 12 11 1100 29 29 31 99 11 16 90 0 0 0 3 1016 12 11 1200 30 29 33 97 10 15 96 0 0 0 3 1016 12 11 1300 29 28 32 98 11 17 111 .02 .02 0 3 1015 12 11 1400 29 28 31 98 10 16 103 .01 .03 0 -1 1015 12 11 1500 30 28 31 99 9 14 84 .03 .06 0 -0 1014 12 11 1600 29 27 30 100 13 19 100 .01 .07 0 -2 1014 12 11 1700 28 27 30 99 16 19 103 0 .07 0 -2 1014 12 11 1800 27 26 29 100 15 20 106 0 .07 1 -2 1013 12 11 1900 26 25 29 99 17 22 114 0 .07 2 0 1012 12 11 2000 25 25 28 99 17 22 110 .01 .08 2 209 1012 12 11 2100 26 25 28 99 18 23 116 0 .08 3 209 1012 12 11 2200 26 25 28 99 15 20 113 0 .08 4 209 1011 12 11 2300 25 25 28 99 15 21 110 0 .08 4 3 1011 12 12 0 25 25 28 99 14 18 106 0 .08 5 209 1011 12 12 100 26 28 28 99 14 21 109 0 .08 6 7 1011 12 12 200 31 32 28 100 11 25 202 0 .08 5 9 1012 12 12 300 32 33 30 100 16 50 247 0 .08 5 9 1012 12 12 400 32 33 33 100 15 37 249 0 .08 6 7 1013 Total Prec. 3010' ------------------------------------------------------------------ .08 Page 1 12-12-2019 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 11 500 25 0 24 0 0 0 7 1014 12 11 600 27 0 26 0 0 0 7 1015 12 11 700 28 0 28 0 0 0 7 1015 12 11 800 30 0 30 0 0 0 7 1016 12 11 900 30 0 30 0 0 0 7 1015 12 11 1000 33 0 36 .03 .03 0 7 1015 12 11 1100 36 0 42 .04 .07 0 7 1014 12 11 1200 34 0 40 0 .07 -0 7 1014 12 11 1300 33 0 36 0 .07 0 7 1014 12 11 1400 32 0 35 0 .07 0 8 1013 12 11 1500 32 0 33 0 .07 0 7 1012 12 11 1600 31 0 32 0 .07 0 8 1012 12 11 1700 29 0 31 0 .07 0 8 1012 12 11 1800 26 0 27 0 .07 1 8 1012 12 11 1900 25 0 26 0 .07 1 9 1011 12 11 2000 25 0 26 0 .07 0 8 1010 12 11 2100 26 0 26 0 .07 2 10 1010 12 11 2200 26 0 26 0 .07 3 10 1009 12 11 2300 26 0 26 0 .07 2 10 1009 12 12 0 27 0 27 0 .07 4 11 1009 12 12 100 27 0 27 0 .07 4 11 1009 12 12 200 30 0 28 0 .07 4 12 1009 12 12 300 31 0 31 0 .07 4 11 1010 12 12 400 31 0 31 0 .07 4 11 1010 Total Prec. 4100' ------------------------------------------ .07 Page 1 12-12-2019 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 11 500 32 28 30 99 98 12 19 272 0 0 1 9 12 11 600 32 29 31 99 99 18 28 253 0 0 0 9 12 11 700 31 29 32 99 97 20 30 256 0 0 0 -253 12 11 800 31 29 31 99 96 23 30 259 0 0 0 9 12 11 900 31 29 32 99 92 22 32 249 0 0 0 9 12 11 1000 33 31 33 99 91 20 32 264 0 0 0 9 12 11 1100 35 34 33 100 90 23 33 261 0 0 0 9 12 11 1200 36 35 33 100 88 20 26 246 0 0 0 9 12 11 1300 33 33 32 99 88 23 30 234 0 0 0 9 12 11 1400 34 32 32 100 93 22 30 230 0 0 0 9 12 11 1500 34 31 30 100 100 22 31 231 0 0 0 9 12 11 1600 34 31 25 100 100 23 32 234 .01 .01 0 9 12 11 1700 33 29 25 100 100 19 28 246 .03 .04 0 9 12 11 1800 33 29 27 100 100 23 31 234 .03 .07 1 10 12 11 1900 32 29 30 99 100 25 32 225 0 .07 1 10 12 11 2000 32 29 29 99 100 33 44 237 .03 .1 1 10 12 11 2100 32 29 29 99 100 33 42 238 .02 .12 2 11 12 11 2200 33 30 31 99 100 35 47 236 .06 .18 2 11 12 11 2300 32 29 31 99 100 31 40 235 .02 .2 3 10 12 12 0 31 28 30 99 100 28 38 235 .08 .28 3 10 12 12 100 31 27 29 99 100 33 45 244 .04 .32 3 11 12 12 200 33 29 31 100 100 35 64 258 .04 .36 3 11 12 12 300 33 30 33 100 100 43 80 275 .03 .39 3 11 12 12 400 32 29 32 99 100 44 83 274 .01 .4 3 12 Total Prec. 5160' ------------------------------------------------------------------------ .4 Page 1 12-12-2019 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 11 500 23 28 97 92 5 10 17 227 0 0 0 -151 12 11 600 23 27 96 93 4 10 18 215 0 0 -216 4 12 11 700 23 28 95 93 2 8 17 213 0 0 0 4 12 11 800 24 28 96 92 6 14 23 216 0 0 0 6 12 11 900 27 30 99 92 5 17 36 204 0 0 -218 4 12 11 1000 29 34 100 90 6 19 37 214 0 0 -220 4 12 11 1100 29 35 100 90 11 27 52 185 0 0 1 4 12 11 1200 28 36 100 85 11 27 51 207 0 0 1 6 12 11 1300 28 36 99 85 7 22 47 216 .01 .01 -221 6 12 11 1400 26 34 99 84 10 26 47 222 0 .01 -221 3 12 11 1500 26 34 99 85 3 20 37 216 0 .01 0 4 12 11 1600 26 33 99 89 2 11 30 190 .01 .02 0 4 12 11 1700 26 33 99 89 5 19 42 176 .02 .04 0 5 12 11 1800 26 33 99 89 8 25 42 183 .01 .05 1 6 12 11 1900 26 33 99 91 12 27 46 189 .02 .07 1 5 12 11 2000 26 33 99 92 16 31 51 188 .05 .12 2 4 12 11 2100 27 33 99 92 10 24 50 213 .07 .19 3 5 12 11 2200 27 32 100 94 9 23 44 217 .02 .21 0 6 12 11 2300 28 33 100 94 13 26 42 231 0 .21 3 6 12 12 0 28 33 100 94 8 21 37 224 .02 .23 3 8 12 12 100 27 32 99 96 4 14 30 234 .05 .28 3 6 12 12 200 26 32 99 96 4 13 26 232 .05 .33 3 8 12 12 300 25 32 99 97 8 21 37 252 .05 .38 -219 7 12 12 400 23 31 98 96 9 26 48 270 0 .38 4 8 Total Prec. 4310' ------------------------------------------------------------------------ .38 Page 1 12-12-2019 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 11 500 25 27 4 13 1 188 12 11 600 24 25 4 12 1 188 12 11 700 25 27 4 12 1 188 12 11 800 26 27 4 13 1 188 12 11 900 29 30 4 12 0 188 12 11 1000 30 31 4 12 1 188 12 11 1100 31 31 5 14 1 188 12 11 1200 31 32 -288 14 1 188 12 11 1300 31 32 -2 14 0 188 12 11 1400 29 30 -289 14 0 14 12 11 1500 28 29 -0 14 0 14 12 11 1600 28 29 3 12 0 188 12 11 1700 28 29 4 15 0 188 12 11 1800 28 29 4 15 0 16 12 11 1900 28 29 -2 15 0 188 12 11 2000 28 29 4 15 0 188 12 11 2100 28 29 5 16 1 188 12 11 2200 29 30 5 16 1 188 12 11 2300 30 31 -0 16 1 188 12 12 0 29 30 6 16 1 188 12 12 100 28 29 6 17 3 188 12 12 200 27 29 8 17 3 20 12 12 300 26 27 7 18 3 188 12 12 400 25 27 7 18 3 188 Page 1 12-12-2019 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 11 500 26 28 98 95 12 20 205 47 .01 .01 377 12 11 600 25 28 98 94 9 19 211 48 .01 .02 377 12 11 700 26 28 98 95 13 20 243 49 0 .02 377 12 11 800 27 29 98 95 7 18 231 51 0 .02 377 12 11 900 28 28 99 96 7 13 154 51 .01 .03 377 12 11 1000 29 29 99 96 13 18 164 51 .01 .04 377 12 11 1100 29 31 99 96 14 25 161 48 .01 .05 377 12 11 1200 29 31 99 96 9 19 236 52 .01 .06 377 12 11 1300 28 30 99 96 9 20 216 48 .07 .13 377 12 11 1400 28 30 98 96 12 31 237 49 .02 .15 377 12 11 1500 27 29 98 95 7 15 220 49 .01 .16 377 12 11 1600 27 29 98 95 8 20 233 48 .02 .18 377 12 11 1700 27 29 98 95 12 19 236 48 .04 .22 377 12 11 1800 27 29 98 95 10 16 195 45 .06 .28 377 12 11 1900 27 29 98 95 9 20 168 44 .04 .32 377 12 11 2000 27 29 98 95 4 11 191 45 .06 .38 377 12 11 2100 27 29 98 94 5 12 172 45 .06 .44 377 12 11 2200 27 29 98 94 8 15 181 46 .07 .51 377 12 11 2300 28 29 99 95 10 17 205 46 .07 .58 377 12 12 0 27 29 99 94 10 22 229 45 .07 .65 377 12 12 100 27 28 98 94 19 31 228 46 .09 .74 377 12 12 200 27 29 98 94 19 29 227 47 .09 .83 377 12 12 300 26 29 98 94 12 18 222 49 .11 .94 377 12 12 400 25 27 97 93 17 25 232 48 .08 1.02 377 Total Prec. 5500' ------------------------------------------------------------------------ 1.02 Page 1 12-12-2019 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 11 500 22 22 99 96 2 5 129 13 12 11 600 22 23 99 95 2 5 164 12 12 11 700 22 23 98 93 1 4 177 12 12 11 800 22 21 97 93 2 6 153 13 12 11 900 25 25 98 93 6 8 177 11 12 11 1000 26 27 99 92 3 7 160 11 12 11 1100 29 28 96 90 3 8 169 12 12 11 1200 29 29 97 93 6 11 166 12 12 11 1300 29 28 98 97 4 8 158 12 12 11 1400 26 27 100 96 5 12 48 7 12 11 1500 25 26 99 97 4 9 95 8 12 11 1600 26 26 100 97 5 9 32 11 12 11 1700 26 26 100 97 7 13 165 12 12 11 1800 26 26 100 97 9 13 172 14 12 11 1900 25 26 100 97 9 13 173 14 12 11 2000 26 26 100 97 8 11 170 15 12 11 2100 26 26 100 97 9 17 180 16 12 11 2200 26 27 100 97 7 14 174 16 12 11 2300 28 27 100 98 7 15 214 14 12 12 0 27 28 100 98 11 28 236 17 12 12 100 26 27 99 97 16 27 265 15 12 12 200 24 25 99 96 16 43 280 19 12 12 300 24 24 97 96 15 27 266 18 12 12 400 23 23 90 96 15 28 253 18 Page 1 12-12-2019 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 11 500 30 98 9 15 258 0 0 2 17 0 12 11 600 29 97 8 16 271 0 0 3 18 0 12 11 700 31 97 12 21 281 0 0 3 17 0 12 11 800 32 98 13 20 270 0 0 2 17 5 12 11 900 33 98 10 16 268 0 0 2 10 19 12 11 1000 32 98 8 16 273 .02 .02 3 17 60 12 11 1100 33 98 6 14 252 0 .02 0 17 38 12 11 1200 32 98 7 14 278 0 .02 0 16 42 12 11 1300 32 99 11 17 269 .04 .06 0 17 35 12 11 1400 31 95 11 18 268 .01 .07 0 16 66 12 11 1500 31 96 7 12 274 0 .07 0 16 44 12 11 1600 31 97 4 8 270 .01 .08 1 14 14 12 11 1700 31 97 6 12 308 .02 .1 1 16 0 12 11 1800 30 98 6 15 304 .01 .11 1 10 0 12 11 1900 31 98 6 18 306 .03 .14 2 18 0 12 11 2000 31 98 6 11 302 .08 .22 0 283 0 12 11 2100 31 99 8 15 280 .08 .3 4 19 0 12 11 2200 31 99 9 15 257 .08 .38 4 19 0 12 11 2300 31 99 12 20 255 .02 .4 4 20 0 12 12 0 30 99 14 22 261 .11 .51 5 21 0 12 12 100 31 99 19 31 260 .09 .6 6 21 0 12 12 200 30 99 19 32 267 .04 .64 6 21 0 12 12 300 29 98 24 40 281 .09 .73 6 22 0 12 12 400 29 97 19 29 274 .01 .74 6 24 0 Total Prec. 5400' ------------------------------------------------------ .74 Page 1 12-12-2019 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 11 500 23 13 0 0 3 339 0 12 11 600 23 15 0 2 6 6 0 12 11 700 22 20 0 5 13 276 0 12 11 800 18 50 6 26 36 271 11 12 11 900 19 71 26 45 57 264 44 12 11 1000 18 97 35 48 61 270 132 12 11 1100 17 96 35 52 68 265 160 12 11 1200 17 96 42 53 64 254 182 12 11 1300 14 95 34 46 57 279 155 12 11 1400 19 97 31 46 55 279 125 12 11 1500 15 96 34 48 55 279 69 12 11 1600 15 96 37 47 59 279 24 12 11 1700 15 96 31 48 62 279 2 12 11 1800 15 96 33 42 52 279 0 12 11 1900 15 95 28 35 44 279 0 12 11 2000 16 96 39 49 60 280 0 12 11 2100 17 96 45 55 63 280 0 12 11 2200 18 97 48 56 64 280 0 12 11 2300 17 96 38 52 61 281 0 12 12 0 15 96 38 53 64 281 0 12 12 100 14 95 33 52 67 281 0 12 12 200 13 94 30 52 76 281 0 12 12 300 11 94 26 46 62 281 0 12 12 400 10 93 38 52 67 281 0 Page 1 12-12-2019 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 11 500 28 99 9 15 25 292 0 0 14 12 11 600 28 99 6 14 32 296 0 0 13 12 11 700 29 99 10 23 43 287 0 0 14 12 11 800 30 100 13 22 36 289 0 0 15 12 11 900 31 99 7 18 32 288 0 0 15 12 11 1000 32 98 6 14 32 279 0 0 15 12 11 1100 33 94 6 15 29 266 0 0 14 12 11 1200 32 96 8 16 31 264 0 0 14 12 11 1300 31 97 2 15 32 288 0 0 15 12 11 1400 29 97 14 30 59 281 .01 .01 13 12 11 1500 29 98 4 15 36 292 .03 .04 15 12 11 1600 29 98 1 5 12 241 .01 .05 15 12 11 1700 29 97 2 11 31 247 .01 .06 15 12 11 1800 30 95 3 14 29 229 0 .06 15 12 11 1900 29 98 5 12 27 202 .02 .08 16 12 11 2000 30 97 5 11 23 203 .06 .14 17 12 11 2100 31 99 7 21 46 257 .09 .23 17 12 11 2200 31 100 19 33 53 268 .02 .25 18 12 11 2300 31 100 21 34 56 279 .03 .28 19 12 12 0 30 100 16 32 56 280 .07 .35 20 12 12 100 29 100 21 39 64 291 .09 .44 21 12 12 200 29 100 23 44 74 292 .01 .45 21 12 12 300 28 100 23 44 71 293 .01 .46 21 12 12 400 28 100 23 41 66 299 .04 .5 21 Total Prec. 5800' ------------------------------------------------------------------------ .5 Page 1 12-12-2019 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 12-12-2019 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 11 500 32 100 -0 5 13 299 0 0 5 22 12 11 600 32 100 2 7 12 316 0 0 0 22 12 11 700 31 100 -0 3 12 286 .01 .01 0 22 12 11 800 32 100 -0 4 13 285 .01 .02 0 22 12 11 900 31 99 0 5 12 292 0 .02 0 22 12 11 1000 31 100 -0 4 11 288 0 .02 0 22 12 11 1100 31 99 -0 5 15 287 0 .02 0 21 12 11 1200 31 98 2 7 14 288 0 .02 0 21 12 11 1300 30 99 -0 5 16 291 .02 .04 0 22 12 11 1400 30 99 -0 3 9 285 .09 .13 1 22 12 11 1500 30 98 -0 1 7 281 .02 .15 1 22 12 11 1600 30 98 -0 0 7 287 0 .15 2 23 12 11 1700 29 99 -0 0 2 250 .02 .17 2 23 12 11 1800 30 100 -0 0 6 275 .03 .2 2 23 12 11 1900 30 100 -0 3 8 280 .09 .29 3 22 12 11 2000 31 100 -0 6 17 278 .11 .4 3 23 12 11 2100 32 100 5 8 17 280 .11 .51 4 25 12 11 2200 32 100 4 9 22 282 .18 .69 4 26 12 11 2300 32 100 7 15 30 281 .12 .81 5 26 12 12 0 32 100 6 14 28 278 .01 .82 4 26 12 12 100 32 100 7 13 24 273 .07 .89 5 25 12 12 200 31 100 9 15 29 279 .07 .96 5 25 12 12 300 30 100 6 13 24 285 .01 .97 5 25 12 12 400 30 100 5 12 25 286 0 .97 5 25 Total Prec. 5880' ------------------------------------------------------------ .97 Page 1 12-12-2019 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 11 500 30 97 0 0 6 111 12 11 600 30 98 0 0 7 104 12 11 700 30 99 0 0 8 110 12 11 800 29 100 0 0 7 92 12 11 900 29 98 0 1 6 111 12 11 1000 28 98 0 1 7 95 12 11 1100 29 98 0 0 6 88 12 11 1200 28 98 0 1 7 94 12 11 1300 29 96 0 0 7 94 12 11 1400 28 97 0 0 7 99 12 11 1500 29 93 0 0 6 111 12 11 1600 27 98 0 1 6 105 12 11 1700 27 98 0 0 6 99 12 11 1800 27 100 0 0 6 109 12 11 1900 28 100 0 0 6 111 12 11 2000 29 100 0 0 6 112 12 11 2100 31 100 0 0 5 108 12 11 2200 30 100 0 0 6 106 12 11 2300 30 100 0 0 6 111 12 12 0 29 100 0 0 6 113 12 12 100 29 100 0 0 6 118 12 12 200 27 99 0 0 6 99 12 12 300 26 99 0 0 6 110 12 12 400 26 99 0 0 5 100 Page 1 12-12-2019 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 11 500 30 33 83 93 21 27 287 0 0 3 25 1015 12 11 600 30 34 82 88 19 26 271 0 0 3 19 1014 12 11 700 29 32 91 96 14 25 302 0 0 0 20 1015 12 11 800 29 34 94 94 13 24 237 .02 .02 0 19 1015 12 11 900 27 34 91 88 15 25 278 0 .02 0 20 1015 12 11 1000 27 33 91 90 16 27 244 0 .02 0 20 1015 12 11 1100 27 34 91 86 14 28 260 0 .02 0 20 1015 12 11 1200 27 34 90 86 13 25 219 0 .02 0 19 1014 12 11 1300 27 32 90 91 15 27 256 .01 .03 0 19 1013 12 11 1400 26 32 92 93 14 26 189 .07 .1 0 37 1013 12 11 1500 26 32 91 94 15 30 251 .03 .13 0 36 1012 12 11 1600 26 31 92 93 13 24 229 0 .13 0 20 1012 12 11 1700 26 31 92 93 12 19 222 .03 .16 1 18 1012 12 11 1800 26 31 92 94 10 18 195 .06 .22 2 20 1011 12 11 1900 27 31 92 95 15 24 220 .13 .35 2 22 1010 12 11 2000 29 31 93 95 19 29 241 .14 .49 0 23 1010 12 11 2100 30 31 95 96 18 28 230 .11 .6 4 23 1009 12 11 2200 30 33 96 96 18 31 296 .2 .8 5 25 1009 12 11 2300 30 34 96 96 24 47 204 .19 .99 5 25 1010 12 12 0 29 33 96 96 23 38 254 .03 1.02 4 24 1010 12 12 100 29 33 95 96 21 40 209 .11 1.13 4 25 1011 12 12 200 27 32 93 94 24 46 258 .07 1.2 4 24 1011 12 12 300 26 31 92 93 21 42 260 .02 1.22 4 24 1012 12 12 400 25 31 92 92 19 38 242 0 1.22 4 24 1012 Total Prec. 5380' ------------------------------------------------------------------ 1.22 Page 1 12-12-2019 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 11 500 28 100 20 30 37 268 12 11 600 28 100 20 29 37 263 12 11 700 28 100 17 25 33 252 12 11 800 28 100 18 24 32 241 12 11 900 26 98 18 23 30 245 12 11 1000 26 98 18 25 31 258 12 11 1100 27 98 17 22 27 250 12 11 1200 27 98 18 23 28 240 12 11 1300 27 99 14 22 29 248 12 11 1400 26 98 13 19 24 238 12 11 1500 26 98 13 18 22 245 12 11 1600 25 98 12 16 21 236 12 11 1700 25 98 8 12 17 235 12 11 1800 26 99 10 13 19 234 12 11 1900 27 100 14 19 23 234 12 11 2000 28 100 5 23 31 233 12 11 2100 30 100 16 25 32 239 12 11 2200 29 100 18 26 40 241 12 11 2300 29 100 20 26 39 249 12 12 0 28 100 20 28 36 243 12 12 100 28 100 18 27 37 242 12 12 200 26 99 17 26 40 243 12 12 300 24 98 15 22 30 247 12 12 400 24 97 13 20 27 249 Page 1 12-12-2019 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