12-13-2019 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 12 500 28 97 4 9 15 176 .03 .03 234 12 12 600 28 97 6 11 22 160 .05 .08 234 12 12 700 28 97 7 11 18 157 .07 .15 234 12 12 800 29 98 4 11 19 157 .03 .18 234 12 12 900 29 98 6 11 18 152 .07 .25 234 12 12 1000 30 98 8 13 19 150 .04 .29 234 12 12 1100 30 98 8 13 22 152 .03 .32 234 12 12 1200 30 98 6 10 16 160 .03 .35 234 12 12 1300 32 98 0 7 14 151 .05 .4 234 12 12 1400 30 98 -0 3 8 175 .12 .52 234 12 12 1500 29 97 2 6 10 177 .19 .71 234 12 12 1600 29 97 -0 4 10 210 .07 .78 234 12 12 1700 28 97 2 8 15 193 .06 .84 234 12 12 1800 27 97 5 9 16 171 .02 .86 234 12 12 1900 28 97 1 8 16 172 .01 .87 234 12 12 2000 28 97 3 7 13 174 .01 .88 234 12 12 2100 27 97 1 6 14 188 .04 .92 234 12 12 2200 27 97 3 7 13 175 .02 .94 234 12 12 2300 27 97 3 7 12 166 .08 1.02 234 12 13 0 28 97 0 5 11 153 .08 1.1 234 12 13 100 27 97 3 6 10 155 .05 1.15 234 12 13 200 27 97 3 6 9 151 .01 1.16 234 12 13 300 27 97 -0 2 7 203 .03 1.19 234 12 13 400 26 96 -0 4 8 181 .01 1.2 234 Total Prec. 5250' ------------------------------------------------------------ 1.2 Page 1 12-13-2019 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 12 500 29 32 67 100 3 8 16 215 .01 .01 9 14 12 12 600 29 31 68 100 2 11 21 215 0 .01 9 13 12 12 700 29 32 66 100 0 8 18 215 0 .01 9 17 12 12 800 29 32 68 100 6 13 25 179 0 .01 0 11 12 12 900 29 32 63 100 6 15 28 144 .07 .08 0 14 12 12 1000 29 32 61 100 11 19 28 134 .07 .15 -1 11 12 12 1100 29 32 64 100 7 14 20 147 .14 .29 0 16 12 12 1200 28 31 65 100 10 15 23 151 .11 .4 3 19 12 12 1300 29 32 57 100 11 17 25 138 .09 .49 4 350 12 12 1400 29 32 62 100 11 16 22 138 .07 .56 46 17 12 12 1500 28 32 58 100 11 15 21 143 .07 .63 6 18 12 12 1600 28 31 57 100 13 17 24 146 .1 .73 7 22 12 12 1700 28 31 65 100 9 14 20 149 .11 .84 9 20 12 12 1800 27 31 65 100 2 7 13 151 .13 .97 8 350 12 12 1900 26 29 69 100 0 5 13 164 .05 1.02 10 28 12 12 2000 26 28 69 100 1 8 13 168 .01 1.03 9 26 12 12 2100 26 29 68 100 6 9 14 169 .03 1.06 10 350 12 12 2200 26 29 65 100 4 9 16 169 .1 1.16 12 350 12 12 2300 26 29 70 100 6 8 12 169 .03 1.19 11 26 12 13 0 26 29 68 100 3 6 9 169 .1 1.29 10 30 12 13 100 26 29 68 100 3 6 9 169 .02 1.31 12 350 12 13 200 26 29 70 100 0 6 11 169 .05 1.36 13 31 12 13 300 26 29 68 100 6 8 11 169 .05 1.41 13 29 12 13 400 26 29 66 100 6 8 12 169 .01 1.42 12 30 Total Prec. 4210' ------------------------------------------------------------------------ 1.42 Page 1 12-13-2019 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 12 500 23 23 98 92 11 15 239 53 .1 .1 22 12 12 600 23 24 98 92 9 12 239 55 .08 .18 24 12 12 700 23 25 97 93 9 12 240 55 .04 .22 24 12 12 800 23 26 98 92 9 13 239 55 .02 .24 25 Total Prec. 5450' ------------------------------------------------------------------------ .24 Page 1 12-13-2019 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 12 500 28 96 0 0 0 0 .17 .17 8 8 12 12 600 28 95 -0 0 0 0 .08 .25 46 9 12 12 700 28 95 -0 0 0 0 .06 .31 10 112 12 12 800 28 95 1 0 0 0 0 .31 10 9 12 12 900 29 93 4 0 0 0 0 .31 9 11 12 12 1000 30 90 4 0 0 0 .01 .32 10 11 12 12 1100 30 93 6 0 0 0 0 .32 10 10 12 12 1200 32 91 9 0 0 0 0 .32 10 10 12 12 1300 32 89 5 0 0 0 0 .32 10 10 12 12 1400 31 93 4 0 0 0 0 .32 10 10 12 12 1500 30 92 1 0 0 0 0 .32 9 10 12 12 1600 30 93 0 0 0 0 0 .32 10 10 12 12 1700 29 94 0 0 0 0 0 .32 10 10 12 12 1800 29 94 0 0 0 0 0 .32 10 10 12 12 1900 29 95 0 0 0 0 .01 .33 9 10 12 12 2000 29 95 0 0 0 0 .01 .34 0 10 12 12 2100 27 96 0 0 0 0 0 .34 0 10 12 12 2200 27 96 -0 0 0 0 0 .34 0 10 12 12 2300 28 96 0 0 0 0 0 .34 0 10 12 13 0 28 95 0 0 0 0 0 .34 0 10 12 13 100 27 95 -0 0 0 0 0 .34 0 10 12 13 200 26 95 -0 0 0 0 0 .34 0 10 12 13 300 25 96 0 0 0 0 0 .34 0 10 12 13 400 23 94 0 0 0 0 0 .34 0 10 Total Prec. 2170' ------------------------------------------------------------ .34 Page 1 12-13-2019 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 12 500 28 28 0 6 30 306 12 12 600 28 28 0 4 13 142 12 12 700 28 28 0 4 12 217 12 12 800 28 28 0 4 15 240 12 12 900 29 29 0 5 17 226 12 12 1000 29 30 0 6 15 248 12 12 1100 31 31 0 5 12 136 12 12 1200 30 30 0 2 7 82 12 12 1300 31 32 0 5 9 104 12 12 1400 31 31 0 4 10 111 12 12 1500 31 31 0 3 9 115 12 12 1600 29 30 0 2 9 177 12 12 1700 28 29 0 3 8 265 12 12 1800 28 28 0 5 14 270 12 12 1900 28 28 0 4 13 289 12 12 2000 28 28 0 4 13 306 12 12 2100 28 27 0 3 11 297 12 12 2200 28 27 0 4 9 275 12 12 2300 28 28 0 4 10 266 12 13 0 28 28 0 3 10 282 12 13 100 28 27 0 5 26 287 12 13 200 27 27 0 3 9 264 12 13 300 27 27 0 4 9 260 12 13 400 27 27 0 3 7 266 Page 1 12-13-2019 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 12 500 32 93 0 0 5 11 1009 12 12 600 32 93 .02 .02 0 12 1010 12 12 700 32 93 0 .02 0 11 1010 12 12 800 32 95 .05 .07 0 12 1010 12 12 900 32 95 .05 .12 0 11 1010 12 12 1000 32 95 .03 .15 0 12 1011 12 12 1100 33 95 .01 .16 -0 280 1010 12 12 1200 33 94 .01 .17 0 280 1009 12 12 1300 33 95 .01 .18 0 280 1008 12 12 1400 33 95 .02 .2 2 13 1008 12 12 1500 33 95 .02 .22 2 11 1009 12 12 1600 33 95 .08 .3 3 15 1008 12 12 1700 32 96 .13 .43 47 16 1009 12 12 1800 32 96 .06 .49 6 18 1010 12 12 1900 32 96 .04 .53 6 18 1010 12 12 2000 32 96 .07 .6 7 18 1010 12 12 2100 32 95 .11 .71 7 19 1011 12 12 2200 31 96 .02 .73 7 17 1012 12 12 2300 31 95 .06 .79 8 19 1012 12 13 0 32 95 .03 .82 8 280 1013 12 13 100 32 94 .01 .83 8 20 1013 12 13 200 32 95 .03 .86 9 21 1014 12 13 300 31 95 .02 .88 9 19 1015 12 13 400 31 95 .03 .91 9 21 1014 Total Prec. 3950' ------------------------------------ .91 Page 1 12-13-2019 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 12 500 29 100 .02 .02 5 13 12 12 600 30 100 .02 .04 5 10 12 12 700 29 100 .01 .05 5 12 12 12 800 29 100 .03 .08 6 8 12 12 900 30 100 .05 .13 0 214 12 12 1000 30 100 .05 .18 0 214 12 12 1100 31 100 .02 .2 0 214 12 12 1200 31 100 .01 .21 1 11 12 12 1300 31 100 .01 .22 1 11 12 12 1400 31 100 .02 .24 1 13 12 12 1500 31 100 .02 .26 2 214 12 12 1600 31 100 .05 .31 3 214 12 12 1700 30 100 .08 .39 4 15 12 12 1800 29 100 .04 .43 5 17 12 12 1900 29 100 .03 .46 5 19 12 12 2000 29 100 .03 .49 6 18 12 12 2100 29 100 .04 .53 6 19 12 12 2200 29 100 .02 .55 6 18 12 12 2300 29 100 .04 .59 7 15 12 13 0 29 100 .03 .62 7 19 12 13 100 29 100 .02 .64 7 18 12 13 200 29 100 .02 .66 8 19 12 13 300 29 100 .02 .68 8 18 12 13 400 28 100 .01 .69 8 19 Total Prec. 4800' ------------------------------------ .69 Page 1 12-13-2019 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 12 500 28 100 14 108 12 12 600 29 100 15 115 12 12 700 29 100 12 108 12 12 800 28 100 11 114 12 12 900 29 100 12 113 12 12 1000 29 100 14 103 12 12 1100 30 100 10 98 12 12 1200 31 100 9 92 12 12 1300 31 100 13 87 12 12 1400 31 100 15 89 12 12 1500 31 100 14 90 12 12 1600 30 100 7 101 12 12 1700 29 100 19 104 12 12 1800 29 100 19 106 12 12 1900 28 100 20 106 12 12 2000 28 100 17 108 12 12 2100 28 100 20 108 12 12 2200 28 100 22 108 12 12 2300 28 100 20 108 12 13 0 28 100 20 109 12 13 100 28 100 19 109 12 13 200 28 100 20 108 12 13 300 27 100 21 106 12 13 400 27 100 20 106 Page 1 12-13-2019 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 12 500 28 93 .01 .01 6 11 1009 12 12 600 30 94 .02 .03 6 12 1009 12 12 700 31 94 .01 .04 0 11 1009 12 12 800 32 93 .04 .08 0 12 1010 12 12 900 33 93 .03 .11 0 11 1010 12 12 1000 34 92 .01 .12 0 11 1011 12 12 1100 34 92 0 .12 0 11 1010 12 12 1200 34 93 0 .12 0 10 1009 12 12 1300 33 93 0 .12 0 10 1008 12 12 1400 33 92 0 .12 0 10 1008 12 12 1500 33 93 .02 .14 0 10 1008 12 12 1600 33 93 .05 .19 0 9 1009 12 12 1700 33 94 .06 .25 0 10 1009 12 12 1800 32 94 .04 .29 0 10 1009 12 12 1900 33 94 .03 .32 0 10 1009 12 12 2000 33 94 .08 .4 0 9 1010 12 12 2100 33 94 .15 .55 0 10 1011 12 12 2200 33 94 .03 .58 0 10 1012 12 12 2300 33 94 .03 .61 0 9 1012 12 13 0 33 94 .01 .62 0 9 1013 12 13 100 33 94 .01 .63 0 9 1014 12 13 200 34 94 .01 .64 0 9 1014 12 13 300 33 94 0 .64 0 9 1014 12 13 400 33 95 .01 .65 0 9 1014 Total Prec. 2700' ------------------------------------ .65 Page 1 12-13-2019 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 12 500 25 95 10 23 33 229 12 12 600 25 95 12 22 32 231 12 12 700 25 95 11 22 29 224 12 12 800 25 95 14 21 32 232 12 12 900 26 95 13 18 26 230 12 12 1000 26 95 10 23 30 232 12 12 1100 26 95 10 22 30 234 12 12 1200 26 95 12 20 25 238 12 12 1300 27 95 8 14 25 236 12 12 1400 27 95 4 8 12 229 12 12 1500 26 95 2 5 9 201 12 12 1600 26 95 3 10 13 226 12 12 1700 26 95 11 16 23 228 12 12 1800 26 95 13 20 27 231 12 12 1900 25 95 14 22 29 229 12 12 2000 25 95 8 14 29 240 12 12 2100 25 95 5 12 21 251 12 12 2200 25 95 5 11 20 241 12 12 2300 25 95 10 20 28 227 12 13 0 25 95 15 20 24 230 12 13 100 25 95 10 16 23 236 12 13 200 25 95 6 12 19 231 12 13 300 25 95 7 12 18 247 12 13 400 24 95 13 17 21 232 Page 1 12-13-2019 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 12 500 28 96 0 0 0 159 0 0 7 4 12 12 600 28 96 0 0 0 85 .01 .01 6 4 12 12 700 28 96 0 0 0 116 .02 .03 7 123 12 12 800 28 96 0 0 0 98 0 .03 7 123 12 12 900 32 94 0 0 0 90 .02 .05 1 123 12 12 1000 33 93 0 0 0 101 0 .05 0 3 12 12 1100 34 94 0 0 0 126 0 .05 0 4 12 12 1200 34 94 0 0 0 151 0 .05 0 4 12 12 1300 34 95 0 0 0 151 0 .05 0 4 12 12 1400 34 96 0 0 0 150 0 .05 0 3 12 12 1500 34 96 0 0 0 149 .01 .06 0 5 12 12 1600 33 96 0 0 0 148 0 .06 0 5 12 12 1700 33 96 0 0 0 148 .04 .1 0 123 12 12 1800 33 97 0 0 0 151 .06 .16 1 123 12 12 1900 33 97 0 0 0 114 .04 .2 1 5 12 12 2000 33 97 0 0 0 97 .08 .28 1 5 12 12 2100 33 97 0 0 0 61 .14 .42 0 5 12 12 2200 33 97 0 0 0 50 .03 .45 0 5 12 12 2300 33 98 0 0 0 56 0 .45 0 5 12 13 0 33 98 0 0 0 67 0 .45 0 4 12 13 100 33 97 0 0 0 71 0 .45 0 5 12 13 200 33 97 0 0 0 61 0 .45 0 5 12 13 300 33 97 0 0 0 58 0 .45 0 5 12 13 400 32 97 0 0 0 55 0 .45 0 4 Total Prec. 1930' ------------------------------------------------------------ .45 Page 1 12-13-2019 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 12 500 31 30 97 100 9 21 285 0 0 2 0 173 12 12 600 30 30 100 100 13 23 293 0 0 2 14 173 12 12 700 31 29 96 100 14 21 291 0 0 1 46 173 12 12 800 31 29 93 100 8 15 283 0 0 -0 -0 173 12 12 900 33 29 89 98 3 8 232 0 0 -0 8 173 12 12 1000 34 33 75 88 10 19 282 .02 .02 -0 13 173 12 12 1100 34 35 73 86 7 21 289 .07 .09 0 101 173 12 12 1200 33 33 91 92 3 10 106 .04 .13 -0 38 173 12 12 1300 34 33 85 92 1 9 283 .02 .15 -1 30 173 12 12 1400 32 33 100 91 0 3 168 .02 .17 0 7 173 12 12 1500 30 33 100 92 1 3 102 .01 .18 0 -0 173 12 12 1600 30 33 100 93 1 4 129 .01 .19 0 -1 173 12 12 1700 30 33 100 95 2 4 80 0 .19 0 -1 173 12 12 1800 31 32 100 99 5 14 332 0 .19 0 70 173 12 12 1900 31 32 100 100 6 11 101 .01 .2 -0 87 173 12 12 2000 31 32 86 100 8 18 306 0 .2 0 36 173 12 12 2100 32 32 86 100 8 14 302 0 .2 0 -2 173 12 12 2200 31 31 82 100 9 17 301 0 .2 0 -2 173 12 12 2300 31 31 87 100 11 22 284 0 .2 1 -1 173 12 13 0 33 31 72 100 14 26 288 0 .2 1 1 173 12 13 100 32 31 80 100 10 21 304 0 .2 1 -3 173 12 13 200 31 30 90 100 12 22 288 0 .2 1 -2 173 12 13 300 32 30 77 100 10 21 292 0 .2 1 -0 173 12 13 400 32 30 73 100 4 11 353 0 .2 1 -1 173 Total Prec. 1190 ------------------------------------------------------------------ .2 Page 1 12-13-2019 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 12 500 12.5 31 229 0 12 12 600 12.5 31 231 0 12 12 700 12.5 30 240 0 12 12 800 12.5 31 216 0 12 12 900 12.5 30 213 2 12 12 1000 12.6 31 212 3 12 12 1100 12.6 31 205 3 12 12 1200 12.6 30 201 1 12 12 1300 12.6 30 202 2 12 12 1400 12.6 30 192 0 12 12 1500 12.5 30 221 0 12 12 1600 12.5 29 226 0 12 12 1700 12.5 29 237 0 12 12 1800 12.5 29 224 0 12 12 1900 12.5 29 229 0 12 12 2000 12.5 29 255 0 12 12 2100 12.4 29 224 0 12 12 2200 12.4 29 236 0 12 12 2300 12.4 29 234 0 12 13 0 12.4 29 230 0 12 13 100 12.4 29 215 0 12 13 200 12.4 28 234 0 12 13 300 12.4 28 254 0 12 13 400 12.4 29 235 0 Page 1 12-13-2019 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 12 500 27 31 32 100 100 19 38 268 .02 .02 5 10 34 10 277 12 12 600 28 31 33 100 100 16 30 268 .03 .05 5 9 35 18 285 12 12 700 27 31 33 100 100 16 36 268 .02 .07 5 9 35 15 280 12 12 800 28 31 33 100 100 17 33 268 .01 .08 0 9 35 20 277 12 12 900 28 32 33 99 100 18 36 268 0 .08 0 9 35 20 275 12 12 1000 28 32 33 99 100 15 31 268 0 .08 0 9 35 20 273 12 12 1100 28 31 33 99 100 12 23 268 .02 .1 0 9 35 13 271 12 12 1200 28 30 33 100 100 12 18 268 .03 .13 0 9 35 17 271 12 12 1300 28 31 33 100 100 11 18 268 .05 .18 0 8 35 20 274 12 12 1400 28 30 33 100 100 11 22 268 .07 .25 0 9 35 21 278 12 12 1500 28 30 32 100 100 12 21 268 .05 .3 0 10 34 283 272 12 12 1600 27 30 32 100 100 14 27 268 .12 .42 1 11 35 283 276 12 12 1700 26 29 32 100 100 17 31 268 .15 .57 2 12 35 283 274 12 12 1800 27 30 32 100 100 21 43 268 .09 .66 3 12 35 25 271 12 12 1900 27 30 32 100 100 17 36 268 .01 .67 2 11 35 26 273 12 12 2000 27 30 33 99 100 15 26 268 .02 .69 3 11 35 25 270 12 12 2100 27 30 33 100 100 15 28 268 .05 .74 2 10 35 283 273 12 12 2200 27 30 33 100 100 14 26 268 .03 .77 2 11 35 283 270 12 12 2300 27 30 33 100 100 12 21 268 .04 .81 2 11 34 283 -7999 12 13 0 27 30 32 100 100 13 23 268 .04 .85 2 11 35 283 313 12 13 100 26 29 32 100 100 11 18 268 .11 .96 3 8 34 283 285 12 13 200 26 29 32 100 100 12 21 268 .09 1.05 3 11 33 25 278 12 13 300 26 29 32 100 100 12 20 268 .12 1.17 4 11 33 283 280 12 13 400 26 29 33 100 100 10 17 268 .05 1.22 4 12 32 283 271 Total Prec. 3100' ------------------------------------------------------------------------ 1.22 Page 1 12-13-2019 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 12 500 12 12 600 12 12 700 12 12 800 12 12 900 12 12 1000 12 12 1100 12 12 1200 12 12 1300 12 12 1400 12 12 1500 12 12 1600 12 12 1700 12 12 1800 12 12 1900 12 12 2000 12 12 2100 12 12 2200 12 12 2300 12 13 0 12 13 100 12 13 200 12 13 300 12 13 400 Page 1 12-13-2019 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 12 500 33 33 33 100 13 25 245 0 0 6 9 1013 12 12 600 33 33 32 100 8 26 218 .01 .01 0 9 1013 12 12 700 34 34 32 100 5 18 194 .01 .02 0 8 1013 12 12 800 34 34 33 100 10 25 198 .01 .03 0 8 1013 12 12 900 35 34 34 98 16 32 237 .01 .04 0 7 1013 12 12 1000 37 34 34 99 8 19 207 .03 .07 0 8 1013 12 12 1100 34 33 33 100 7 12 114 .04 .11 0 8 1013 12 12 1200 32 32 33 100 8 12 117 .04 .15 0 7 1012 12 12 1300 32 32 33 98 10 13 129 .03 .18 0 5 1012 12 12 1400 32 32 34 98 10 14 125 .03 .21 0 209 1011 12 12 1500 32 31 33 99 8 13 127 .03 .24 0 5 1011 12 12 1600 33 32 33 100 15 25 217 .02 .26 1 8 1012 12 12 1700 32 32 32 100 10 18 213 .05 .31 2 9 1013 12 12 1800 31 32 33 100 13 27 223 .03 .34 2 9 1014 12 12 1900 32 32 33 100 21 36 244 .02 .36 2 10 1014 12 12 2000 32 32 33 100 22 36 234 .03 .39 2 10 1014 12 12 2100 32 32 33 100 17 30 234 .04 .43 2 9 1015 12 12 2200 32 32 33 100 18 35 222 .03 .46 2 9 1016 12 12 2300 32 32 33 100 14 24 223 .04 .5 2 7 1016 12 13 0 32 31 32 100 12 21 227 .02 .52 2 9 1017 12 13 100 32 31 32 100 10 26 227 .02 .54 3 5 1017 12 13 200 31 31 32 100 7 13 207 .03 .57 4 209 1018 12 13 300 31 31 32 100 6 11 224 .02 .59 4 10 1018 12 13 400 31 31 32 100 7 11 223 .01 .6 4 10 1018 Total Prec. 3010' ------------------------------------------------------------------ .6 Page 1 12-13-2019 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 12 500 30 0 30 0 0 4 11 1010 12 12 600 30 0 29 0 0 4 12 1010 12 12 700 30 0 29 0 0 5 12 1011 12 12 800 30 0 29 0 0 0 12 1012 12 12 900 31 0 30 0 0 0 11 1012 12 12 1000 35 0 38 .04 .04 0 11 1012 12 12 1100 36 0 45 .15 .19 0 11 1010 12 12 1200 35 0 38 .06 .25 0 11 1011 12 12 1300 35 0 38 .04 .29 0 11 1009 12 12 1400 32 0 33 .01 .3 0 10 1009 12 12 1500 32 0 33 .01 .31 0 11 1009 12 12 1600 32 0 32 .01 .32 0 10 1009 12 12 1700 32 0 32 0 .32 0 12 1010 12 12 1800 31 0 32 0 .32 1 12 1010 12 12 1900 31 0 32 0 .32 1 12 1010 12 12 2000 31 0 31 0 .32 1 12 1011 12 12 2100 31 0 31 0 .32 1 12 1012 12 12 2200 31 0 31 0 .32 1 12 1012 12 12 2300 31 0 31 0 .32 1 12 1013 12 13 0 30 0 31 0 .32 1 12 1014 12 13 100 30 0 31 0 .32 1 13 1015 12 13 200 30 0 31 0 .32 1 12 1015 12 13 300 30 0 30 0 .32 2 13 1015 12 13 400 30 0 29 0 .32 2 13 1015 Total Prec. 4100' ------------------------------------------ .32 Page 1 12-13-2019 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 12 500 31 29 32 99 100 44 76 270 0 0 3 12 12 12 600 30 28 31 98 100 40 64 269 .01 .01 3 12 12 12 700 30 28 31 99 100 39 59 265 0 .01 0 12 12 12 800 31 28 32 99 100 38 55 260 0 .01 0 12 12 12 900 32 29 32 99 100 36 50 244 0 .01 0 12 12 12 1000 33 29 32 99 100 33 46 244 0 .01 0 11 12 12 1100 34 30 34 99 96 32 44 248 0 .01 0 11 12 12 1200 33 32 35 99 94 34 45 249 0 .01 0 11 12 12 1300 34 32 35 100 96 28 46 252 0 .01 0 12 12 12 1400 34 31 33 100 100 26 35 243 .03 .04 1 11 12 12 1500 34 30 32 100 100 27 38 238 .02 .06 1 9 12 12 1600 34 30 32 100 100 28 42 241 .01 .07 1 12 12 12 1700 34 30 32 100 100 32 48 256 .03 .1 1 12 12 12 1800 33 30 32 100 100 41 73 266 .01 .11 1 13 12 12 1900 32 29 32 99 100 42 72 270 0 .11 1 12 12 12 2000 32 28 31 99 100 46 75 271 0 .11 1 13 12 12 2100 31 28 31 99 100 44 68 272 0 .11 1 13 12 12 2200 31 28 31 99 100 42 66 275 0 .11 1 -253 12 12 2300 31 28 31 99 100 43 68 273 0 .11 2 12 12 13 0 31 28 32 99 100 36 66 271 0 .11 2 13 12 13 100 31 28 31 99 100 40 62 273 0 .11 2 12 12 13 200 31 28 31 99 99 35 66 266 0 .11 2 12 12 13 300 31 28 31 99 99 33 57 264 0 .11 2 12 12 13 400 31 28 31 99 99 28 42 260 0 .11 1 12 Total Prec. 5160' ------------------------------------------------------------------------ .11 Page 1 12-13-2019 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 12 500 23 29 98 94 5 20 33 265 0 0 4 7 12 12 600 23 28 98 94 5 13 25 220 0 0 -216 8 12 12 700 23 28 98 95 8 15 30 225 0 0 -216 7 12 12 800 22 29 98 91 14 26 44 237 0 0 -217 7 12 12 900 23 31 98 87 16 30 49 235 0 0 0 -39 12 12 1000 25 32 99 88 13 28 47 236 0 0 -219 -39 12 12 1100 25 32 99 91 8 20 39 230 .01 .01 0 7 12 12 1200 26 33 99 91 14 23 35 228 .02 .03 -219 8 12 12 1300 26 32 99 94 6 19 32 228 .04 .07 2 9 12 12 1400 27 33 99 90 8 16 30 216 .03 .1 -219 10 12 12 1500 24 31 99 93 6 19 36 231 .03 .13 4 10 12 12 1600 24 31 99 93 6 21 40 222 .05 .18 -219 11 12 12 1700 24 31 98 96 5 18 40 234 .03 .21 5 -151 12 12 1800 23 30 98 96 7 20 42 246 .07 .28 6 13 12 12 1900 23 30 98 96 11 23 37 266 .1 .38 -218 15 12 12 2000 23 29 98 96 11 22 30 264 .05 .43 7 14 12 12 2100 23 29 98 96 8 19 37 269 .06 .49 -218 -151 12 12 2200 23 30 98 96 6 16 32 253 .1 .59 8 14 12 12 2300 22 29 98 95 3 11 26 225 .04 .63 -218 16 12 13 0 22 28 98 95 3 9 20 231 .01 .64 -330 15 12 13 100 22 29 98 95 3 9 23 241 0 .64 9 17 12 13 200 22 29 98 95 3 12 38 239 .03 .67 9 17 12 13 300 22 28 98 95 2 10 23 236 0 .67 9 16 12 13 400 22 29 98 95 2 6 13 238 .02 .69 -217 18 Total Prec. 4310' ------------------------------------------------------------------------ .69 Page 1 12-13-2019 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 12 500 24 26 7 18 3 188 12 12 600 25 27 7 18 3 188 12 12 700 26 27 8 18 3 188 12 12 800 25 27 8 18 3 20 12 12 900 26 27 8 18 3 20 12 12 1000 27 29 8 17 0 188 12 12 1100 27 28 8 17 0 188 12 12 1200 28 29 8 18 0 188 12 12 1300 27 29 3 18 2 188 12 12 1400 28 28 24 18 2 188 12 12 1500 26 27 9 19 3 188 12 12 1600 26 27 10 20 3 188 12 12 1700 25 27 5 20 4 188 12 12 1800 25 26 7 21 5 188 12 12 1900 24 25 13 23 6 188 12 12 2000 24 25 13 23 7 188 12 12 2100 24 25 13 23 7 188 12 12 2200 24 25 15 23 8 188 12 12 2300 24 25 14 22 8 188 12 13 0 23 24 14 24 8 188 12 13 100 23 24 15 24 8 188 12 13 200 23 24 15 25 9 188 12 13 300 23 24 10 25 9 188 12 13 400 23 24 15 25 9 188 Page 1 12-13-2019 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 12 500 25 27 98 94 17 27 221 47 .07 .07 377 12 12 600 25 27 98 94 17 24 216 45 .04 .11 377 12 12 700 25 27 98 93 22 31 232 46 .06 .17 377 12 12 800 25 27 98 93 22 30 232 47 .06 .23 377 12 12 900 25 27 98 93 16 25 249 49 .07 .3 377 12 12 1000 26 28 98 93 12 20 246 50 .07 .37 377 12 12 1100 26 28 98 92 5 12 196 49 .09 .46 377 12 12 1200 27 29 98 92 11 19 224 49 .1 .56 377 12 12 1300 27 29 98 92 8 12 211 48 .09 .65 377 12 12 1400 27 29 98 91 7 14 188 49 .1 .75 377 12 12 1500 25 27 98 91 11 22 217 47 .09 .84 377 12 12 1600 25 26 98 92 18 25 229 46 .07 .91 377 12 12 1700 25 26 97 93 18 28 231 47 .07 .98 377 12 12 1800 24 26 97 92 13 21 225 47 .07 1.05 377 12 12 1900 24 26 98 92 10 16 243 49 .07 1.12 377 12 12 2000 24 26 97 91 8 12 230 49 .08 1.2 377 12 12 2100 23 25 97 91 8 13 218 48 .08 1.28 377 12 12 2200 23 25 97 91 9 13 213 49 .09 1.37 377 12 12 2300 23 25 97 91 9 13 223 49 .09 1.46 377 12 13 0 23 25 97 92 7 13 220 48 .08 1.54 377 12 13 100 23 25 97 92 10 15 227 48 .06 1.6 377 12 13 200 24 25 97 91 9 16 225 49 .08 1.68 377 12 13 300 23 25 97 91 6 10 205 48 .08 1.76 377 12 13 400 23 24 97 90 8 12 209 49 .08 1.84 377 Total Prec. 5500' ------------------------------------------------------------------------ 1.84 Page 1 12-13-2019 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 12 500 23 23 76 96 13 28 249 18 12 12 600 24 23 80 96 8 22 255 18 12 12 700 24 24 84 96 11 24 250 18 12 12 800 23 23 89 95 7 14 159 18 12 12 900 23 24 95 96 10 21 179 17 12 12 1000 24 25 98 96 7 13 161 16 12 12 1100 24 25 99 97 6 12 175 18 12 12 1200 25 26 99 97 5 9 170 18 12 12 1300 25 26 99 96 3 13 171 19 12 12 1400 25 26 98 97 7 16 235 19 12 12 1500 24 25 99 97 3 9 142 19 12 12 1600 24 25 99 96 14 25 252 22 12 12 1700 23 24 98 96 17 30 267 22 12 12 1800 22 23 98 96 14 24 273 22 12 12 1900 22 23 98 96 13 27 311 24 12 12 2000 22 23 98 96 14 26 313 24 12 12 2100 22 23 98 96 13 28 326 24 12 12 2200 22 22 98 96 14 26 293 24 12 12 2300 21 22 95 95 14 27 271 24 12 13 0 21 22 97 95 11 18 256 25 12 13 100 21 22 98 95 6 11 230 25 12 13 200 22 22 94 94 12 22 275 26 12 13 300 22 22 97 96 12 18 269 24 12 13 400 21 22 96 94 12 20 279 26 Page 1 12-13-2019 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 12 500 29 98 17 31 263 .02 .02 6 23 0 12 12 600 29 98 17 25 268 .01 .03 7 21 0 12 12 700 28 98 13 19 266 0 .03 6 22 0 12 12 800 28 97 11 18 269 0 .03 6 22 3 12 12 900 29 97 10 18 271 0 .03 6 21 9 12 12 1000 29 97 11 17 274 .03 .06 6 21 28 12 12 1100 30 97 9 17 273 .07 .13 7 299 36 12 12 1200 31 97 12 18 269 .09 .22 8 25 45 12 12 1300 30 97 11 19 272 .11 .33 10 27 28 12 12 1400 29 98 8 18 257 .09 .42 11 22 51 12 12 1500 29 97 9 16 259 .11 .53 12 27 19 12 12 1600 28 98 5 9 267 .1 .63 1 31 9 12 12 1700 28 98 3 6 262 .12 .75 2 21 0 12 12 1800 28 98 15 27 262 .1 .85 3 29 0 12 12 1900 27 97 8 14 258 .11 .96 4 31 0 12 12 2000 26 97 5 9 264 .1 1.06 5 33 0 12 12 2100 27 97 4 6 262 .1 1.16 6 32 0 12 12 2200 27 97 4 6 263 .09 1.25 6 35 0 12 12 2300 27 97 3 6 266 .08 1.33 6 25 0 12 13 0 27 97 4 11 268 .05 1.38 7 33 0 12 13 100 27 97 11 21 265 .06 1.44 7 35 0 12 13 200 27 97 7 14 263 .11 1.55 8 37 0 12 13 300 26 97 5 9 262 .1 1.65 10 39 0 12 13 400 26 97 6 11 273 .09 1.74 11 39 0 Total Prec. 5400' ------------------------------------------------------ 1.74 Page 1 12-13-2019 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 12 500 10 93 41 51 60 281 0 12 12 600 11 94 31 49 63 281 0 12 12 700 10 93 30 41 53 281 0 12 12 800 11 93 27 37 46 281 3 12 12 900 11 94 27 35 41 281 15 12 12 1000 13 95 25 35 43 280 39 12 12 1100 13 95 28 35 43 279 56 12 12 1200 15 95 25 35 43 279 78 12 12 1300 13 95 12 28 38 279 67 12 12 1400 14 95 23 33 43 279 101 12 12 1500 12 94 20 36 45 279 38 12 12 1600 12 94 31 41 50 279 19 12 12 1700 11 94 23 37 51 279 2 12 12 1800 11 94 17 28 42 279 0 12 12 1900 11 94 3 23 36 279 0 12 12 2000 11 94 8 31 46 279 0 12 12 2100 10 93 15 27 40 279 0 12 12 2200 10 93 20 33 47 279 0 12 12 2300 9 93 18 31 42 279 0 12 13 0 9 93 18 28 39 279 0 12 13 100 9 93 17 29 42 279 0 12 13 200 9 93 19 29 40 279 0 12 13 300 9 93 15 22 34 279 0 12 13 400 9 93 14 25 37 279 0 Page 1 12-13-2019 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 12 500 26 99 26 47 78 284 .02 .02 21 12 12 600 26 99 24 41 60 284 0 .02 21 12 12 700 26 98 19 33 55 287 0 .02 21 12 12 800 26 99 13 29 54 288 0 .02 21 12 12 900 27 99 13 20 32 289 .01 .03 21 12 12 1000 28 99 8 14 25 282 .05 .08 21 12 12 1100 29 99 3 10 23 269 .06 .14 22 12 12 1200 30 99 0 6 11 293 .09 .23 24 12 12 1300 29 99 0 12 28 269 .09 .32 24 12 12 1400 29 99 8 19 35 290 .07 .39 25 12 12 1500 28 99 16 34 73 280 .08 .47 26 12 12 1600 26 99 22 42 87 280 .07 .54 27 12 12 1700 26 99 28 51 84 284 .04 .58 28 12 12 1800 26 99 24 47 88 285 .04 .62 27 12 12 1900 26 99 16 34 57 294 .13 .75 28 12 12 2000 26 99 14 29 53 294 .21 .96 30 12 12 2100 25 99 19 36 61 291 .07 1.03 31 12 12 2200 26 99 14 31 54 285 .06 1.09 31 12 12 2300 25 99 18 34 56 282 .07 1.16 32 12 13 0 25 99 16 28 43 288 .06 1.22 32 12 13 100 25 99 16 29 51 279 .04 1.26 33 12 13 200 25 99 14 30 54 277 .04 1.3 33 12 13 300 25 99 11 22 39 280 .15 1.45 35 12 13 400 25 99 12 17 30 295 .13 1.58 37 Total Prec. 5800' ------------------------------------------------------------------------ 1.58 Page 1 12-13-2019 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 12-13-2019 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 12 500 29 100 5 12 23 274 0 0 0 25 12 12 600 29 100 6 10 23 273 0 0 0 26 12 12 700 29 100 6 11 19 275 0 0 0 26 12 12 800 29 100 4 8 16 281 0 0 0 25 12 12 900 29 100 4 8 16 282 .01 .01 0 25 12 12 1000 30 100 -0 5 14 284 .1 .11 1 26 12 12 1100 30 100 -0 4 12 280 .12 .23 4 27 12 12 1200 28 100 -0 9 30 283 .21 .44 7 30 12 12 1300 29 100 6 14 25 274 .07 .51 7 31 12 12 1400 29 100 10 17 34 266 .02 .53 7 31 12 12 1500 28 100 10 18 38 276 .01 .54 7 31 12 12 1600 28 100 9 17 33 275 .07 .61 7 32 12 12 1700 28 100 9 18 31 275 .01 .62 7 32 12 12 1800 27 100 9 17 32 278 .06 .68 7 31 12 12 1900 26 100 9 17 30 273 0 .68 7 32 12 12 2000 26 100 7 15 29 275 .01 .69 6 31 12 12 2100 26 100 6 15 31 269 .07 .76 8 32 12 12 2200 26 100 6 14 26 270 .02 .78 8 32 12 12 2300 26 100 6 13 27 267 .03 .81 8 32 12 13 0 26 100 7 13 21 271 .02 .83 8 32 12 13 100 26 100 6 12 26 281 .06 .89 9 31 12 13 200 26 100 5 11 22 270 .04 .93 9 32 12 13 300 26 100 6 11 22 276 .01 .94 9 28 12 13 400 26 100 4 9 18 278 .03 .97 9 32 Total Prec. 5880' ------------------------------------------------------------ .97 Page 1 12-13-2019 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 12 500 25 99 0 0 6 105 12 12 600 26 99 0 1 6 107 12 12 700 25 99 0 0 7 110 12 12 800 26 99 0 0 7 129 12 12 900 26 99 0 1 8 119 12 12 1000 27 99 0 0 5 101 12 12 1100 28 99 0 0 6 87 12 12 1200 26 99 0 0 6 84 12 12 1300 27 99 0 0 6 88 12 12 1400 27 99 0 0 6 85 12 12 1500 25 99 0 0 5 98 12 12 1600 25 99 0 0 5 71 12 12 1700 25 99 0 0 5 111 12 12 1800 24 99 0 0 6 98 12 12 1900 24 99 0 0 5 93 12 12 2000 23 99 0 0 6 92 12 12 2100 23 98 0 0 6 88 12 12 2200 23 98 0 0 3 92 12 12 2300 23 98 0 0 7 89 12 13 0 23 98 0 0 6 91 12 13 100 23 98 0 0 7 107 12 13 200 23 98 0 0 7 92 12 13 300 23 98 0 0 7 101 12 13 400 23 98 0 0 6 84 Page 1 12-13-2019 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 12 500 25 31 92 93 18 32 223 0 0 4 23 1013 12 12 600 25 31 92 94 17 30 228 .01 .01 0 24 1013 12 12 700 25 31 92 92 19 36 211 .01 .02 0 24 1013 12 12 800 25 31 92 90 16 27 179 0 .02 0 24 1013 12 12 900 25 31 92 93 15 29 203 .01 .03 0 24 1013 12 12 1000 26 31 92 95 14 31 221 .11 .14 0 25 1012 12 12 1100 27 31 92 96 15 25 216 .16 .3 2 25 1012 12 12 1200 25 30 92 96 17 36 162 .25 .55 6 30 1012 12 12 1300 27 31 92 97 21 41 228 .1 .65 6 30 1011 12 12 1400 26 31 92 97 26 50 209 .04 .69 6 30 1011 12 12 1500 24 30 91 96 24 51 237 .03 .72 6 29 1011 12 12 1600 24 29 91 96 24 49 161 .09 .81 7 31 1012 12 12 1700 24 29 91 96 25 53 245 .02 .83 7 30 1012 12 12 1800 24 29 91 97 22 57 241 .07 .9 7 30 1013 12 12 1900 23 28 91 96 22 44 226 .02 .92 8 31 1014 12 12 2000 22 28 91 96 23 42 268 .02 .94 8 27 1014 12 12 2100 23 28 91 96 19 42 100 .11 1.05 8 31 1015 12 12 2200 23 28 91 96 17 31 256 .04 1.09 9 32 1015 12 12 2300 23 28 91 96 18 36 148 .04 1.13 9 32 1016 12 13 0 23 28 91 96 16 40 238 .03 1.16 9 32 1016 12 13 100 22 28 91 96 21 39 266 .08 1.24 10 32 1016 12 13 200 23 28 90 96 17 39 223 .07 1.31 10 33 1016 12 13 300 22 27 91 96 17 31 229 .01 1.32 10 33 1016 12 13 400 22 28 91 96 15 32 190 .04 1.36 11 33 1016 Total Prec. 5380' ------------------------------------------------------------------ 1.36 Page 1 12-13-2019 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 12 500 24 96 12 19 25 240 12 12 600 24 97 12 18 22 237 12 12 700 24 96 11 18 23 235 12 12 800 24 97 11 17 22 235 12 12 900 24 97 9 14 21 241 12 12 1000 26 98 9 13 19 244 12 12 1100 26 98 10 14 17 240 12 12 1200 25 96 9 16 29 243 12 12 1300 26 98 12 21 27 236 12 12 1400 26 98 12 21 31 235 12 12 1500 24 95 13 20 30 246 12 12 1600 23 96 11 20 31 241 12 12 1700 23 96 10 20 30 242 12 12 1800 23 95 11 18 25 247 12 12 1900 22 95 11 19 26 239 12 12 2000 21 94 13 18 25 244 12 12 2100 22 95 10 16 26 243 12 12 2200 22 95 7 15 23 237 12 12 2300 22 94 4 13 19 240 12 13 0 22 95 5 11 17 240 12 13 100 21 94 7 10 15 240 12 13 200 22 95 6 10 13 240 12 13 300 21 94 4 9 14 240 12 13 400 21 95 4 8 12 240 Page 1 12-13-2019 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