1-12-2020 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' ------------------------------------------------------------------ 1 11 500 27 97 3 8 18 329 .07 .07 234 1 11 600 27 97 3 8 15 325 .02 .09 234 1 11 700 26 97 3 7 14 321 .01 .1 234 1 11 800 26 97 0 5 12 312 .01 .11 59 1 11 900 26 97 2 6 13 318 .01 .12 60 1 11 1000 27 96 0 4 9 310 .02 .14 61 1 11 1100 28 96 0 5 12 231 .05 .19 61 1 11 1200 27 94 -0 8 14 233 .02 .21 61 1 11 1300 24 92 2 8 15 239 .01 .22 61 1 11 1400 22 94 3 8 16 245 0 .22 61 1 11 1500 21 94 3 8 17 273 0 .22 61 1 11 1600 21 95 0 6 17 263 0 .22 61 1 11 1700 21 95 -0 6 15 300 0 .22 61 1 11 1800 21 95 0 6 13 314 .02 .24 62 1 11 1900 22 95 -0 3 10 301 .02 .26 61 1 11 2000 21 95 -0 5 10 162 .01 .27 62 1 11 2100 21 95 5 9 13 155 .01 .28 61 1 11 2200 22 95 5 8 12 144 .01 .29 62 1 11 2300 22 95 5 8 12 147 .03 .32 234 1 12 0 22 95 1 6 11 154 0 .32 234 1 12 100 23 95 5 10 15 143 .02 .34 62 1 12 200 24 96 6 12 18 156 0 .34 234 1 12 300 24 96 6 10 15 153 .01 .35 234 1 12 400 25 96 0 9 16 159 .1 .45 234 Total Prec. 5250' ------------------------------------------------------------ .45 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 26 29 63 100 4 7 11 324 .01 .01 18 104 1 11 600 26 29 51 100 4 7 11 324 .01 .02 19 104 1 11 700 26 29 58 100 3 6 11 324 .01 .03 0 105 1 11 800 26 29 55 100 0 4 7 324 0 .03 0 105 1 11 900 26 29 53 100 2 4 6 324 .01 .04 0 103 1 11 1000 27 30 53 100 1 4 8 312 .01 .05 0 103 1 11 1100 28 31 45 99 0 4 8 309 .02 .07 0 105 1 11 1200 28 30 52 99 0 3 8 352 .05 .12 0 104 1 11 1300 22 26 47 99 0 6 20 352 .05 .17 0 104 1 11 1400 23 26 45 98 0 2 11 352 .02 .19 0 104 1 11 1500 24 26 71 99 0 2 8 352 .01 .2 1 104 1 11 1600 22 25 95 99 0 2 6 352 .04 .24 0 104 1 11 1700 20 24 84 99 0 2 6 352 0 .24 1 104 1 11 1800 20 23 77 99 0 0 0 352 0 .24 0 104 1 11 1900 20 23 70 99 0 0 0 352 .04 .28 2 104 1 11 2000 20 23 89 99 0 0 0 352 .05 .33 3 104 1 11 2100 21 24 73 99 0 0 0 352 .08 .41 3 105 1 11 2200 20 24 61 99 0 0 0 352 .04 .45 4 105 1 11 2300 20 24 44 99 0 0 0 352 .05 .5 4 105 1 12 0 20 24 95 99 0 0 0 352 .03 .53 46 105 1 12 100 21 24 39 99 0 0 0 352 .02 .55 7 107 1 12 200 21 24 51 99 0 0 0 352 .02 .57 8 109 1 12 300 21 24 41 99 0 0 0 352 .01 .58 9 109 1 12 400 21 24 38 99 0 0 0 352 .01 .59 13 110 Total Prec. 4210' ------------------------------------------------------------------------ .59 Page 1 1-12-2020 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' ------------------------------------------------------------------------------ 1 11 500 19 14 97 86 0 0 248 49 .01 .01 77 1 11 600 20 13 96 85 0 0 239 48 0 .01 77 1 11 700 20 12 96 85 0 0 240 49 .01 .02 76 1 11 800 20 12 96 87 0 0 268 48 0 .02 76 1 11 900 21 16 97 90 0 0 276 50 .01 .03 76 1 11 1000 24 23 97 90 0 0 268 53 0 .03 76 1 11 1100 25 25 97 87 0 0 252 56 .01 .04 75 1 11 1200 24 26 97 86 0 0 235 57 0 .04 75 1 11 1300 23 26 98 84 0 0 235 57 .01 .05 76 1 11 1400 23 24 97 86 0 0 237 55 0 .05 76 1 11 1500 21 23 96 87 0 0 253 53 .01 .06 76 1 11 1600 19 22 96 83 0 0 240 51 0 .06 76 1 11 1700 17 21 98 79 0 0 228 51 .01 .07 76 1 11 1800 15 19 94 79 0 0 258 48 0 .07 76 1 11 1900 15 19 94 78 0 0 239 47 .01 .08 76 1 11 2000 15 18 94 84 0 0 250 48 0 .08 76 1 11 2100 15 18 92 86 0 0 255 48 0 .08 75 1 11 2200 15 18 94 88 0 0 247 51 .01 .09 75 1 11 2300 15 18 94 88 0 0 245 51 0 .09 75 1 12 0 14 18 94 88 0 0 239 51 .01 .1 75 1 12 100 15 17 94 88 0 0 235 49 0 .1 75 1 12 200 14 16 94 87 0 0 230 49 .01 .11 74 1 12 300 16 17 95 88 0 0 227 49 0 .11 75 1 12 400 15 17 94 89 0 0 228 50 .01 .12 75 Total Prec. 5450' ------------------------------------------------------------------------ .12 Page 1 1-12-2020 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' ------------------------------------------------------------------------ 1 11 500 23 100 0 0 0 0 0 0 6 25 1 11 600 21 100 0 0 0 0 0 0 6 25 1 11 700 20 100 0 0 0 0 0 0 6 25 1 11 800 19 100 0 0 0 0 0 0 6 25 1 11 900 19 100 2 0 0 0 0 0 6 25 1 11 1000 24 100 8 0 0 0 0 0 5 24 1 11 1100 27 100 6 0 0 0 0 0 5 25 1 11 1200 30 100 7 0 0 0 0 0 6 25 1 11 1300 30 100 7 0 0 0 0 0 6 25 1 11 1400 32 100 5 0 0 0 0 0 6 25 1 11 1500 32 100 3 0 0 0 0 0 6 24 1 11 1600 31 100 0 0 0 0 0 0 6 24 1 11 1700 27 100 0 0 0 0 0 0 6 24 1 11 1800 25 100 0 0 0 0 0 0 6 24 1 11 1900 24 100 0 0 0 0 0 0 6 24 1 11 2000 24 100 0 0 0 0 0 0 6 24 1 11 2100 22 100 0 0 0 0 0 0 6 24 1 11 2200 21 100 0 0 0 0 0 0 6 24 1 11 2300 18 100 0 0 0 0 0 0 6 24 1 12 0 19 100 0 0 0 0 0 0 6 24 1 12 100 17 100 0 0 0 0 0 0 6 24 1 12 200 15 98 0 0 0 0 0 0 6 24 1 12 300 15 98 0 0 0 0 0 0 6 24 1 12 400 16 98 0 0 0 0 0 0 6 24 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 26 26 0 3 8 99 1 11 600 26 26 0 2 6 222 1 11 700 26 26 0 7 20 276 1 11 800 27 26 4 18 37 291 1 11 900 26 27 11 24 37 271 1 11 1000 26 27 10 26 38 271 1 11 1100 26 26 8 24 34 271 1 11 1200 25 25 3 25 40 282 1 11 1300 25 25 4 25 45 293 1 11 1400 24 25 0 24 41 294 1 11 1500 24 24 5 21 48 290 1 11 1600 22 23 4 23 45 291 1 11 1700 22 22 5 24 44 287 1 11 1800 21 21 7 26 50 285 1 11 1900 22 22 2 28 58 288 1 11 2000 21 21 8 30 51 284 1 11 2100 21 21 1 22 39 285 1 11 2200 21 21 5 23 47 283 1 11 2300 21 21 0 13 34 291 1 12 0 21 21 0 5 17 279 1 12 100 21 21 0 2 7 256 1 12 200 22 22 0 4 11 260 1 12 300 22 22 0 4 9 254 1 12 400 23 22 0 3 12 243 Page 1 1-12-2020 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' ------------------------------------------------------ 1 11 500 23 94 0 0 16 73 999 1 11 600 24 93 .11 .11 0 74 1000 1 11 700 25 94 .04 .15 0 74 1001 1 11 800 27 96 .02 .17 0 74 1001 1 11 900 28 95 0 .17 1 73 1003 1 11 1000 29 95 .04 .21 2 72 1004 1 11 1100 29 95 .05 .26 47 75 1004 1 11 1200 30 93 .08 .34 3 76 1005 1 11 1300 30 93 .07 .41 3 75 1005 1 11 1400 30 92 .04 .45 4 77 1005 1 11 1500 28 93 .04 .49 5 77 1006 1 11 1600 27 95 .03 .52 7 77 1006 1 11 1700 26 94 .03 .55 8 79 1007 1 11 1800 25 95 .02 .57 9 78 1007 1 11 1900 26 96 .02 .59 8 78 1006 1 11 2000 26 97 .09 .68 10 79 1006 1 11 2100 25 96 .04 .72 11 80 1006 1 11 2200 26 94 .02 .74 11 79 1006 1 11 2300 26 94 .01 .75 11 79 1006 1 12 0 26 95 .02 .77 11 79 1005 1 12 100 26 96 .03 .8 47 79 1004 1 12 200 26 95 .04 .84 13 79 1004 1 12 300 26 95 .03 .87 13 80 1003 1 12 400 26 95 .02 .89 13 80 1002 Total Prec. 3950' ------------------------------------ .89 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 25 100 .01 .01 -0 94 1 11 600 27 100 .01 .02 2 96 1 11 700 28 100 .03 .05 2 96 1 11 800 28 100 .03 .08 3 95 1 11 900 28 100 .03 .11 3 96 1 11 1000 28 100 .03 .14 3 96 1 11 1100 28 100 .03 .17 4 96 1 11 1200 27 100 .02 .19 8 97 1 11 1300 27 100 .02 .21 9 98 1 11 1400 27 100 .02 .23 10 98 1 11 1500 25 99 .02 .25 10 98 1 11 1600 24 97 .02 .27 11 97 1 11 1700 23 96 .01 .28 12 98 1 11 1800 23 96 .01 .29 12 99 1 11 1900 23 96 .01 .3 13 98 1 11 2000 23 96 .01 .31 14 97 1 11 2100 23 96 .01 .32 14 99 1 11 2200 23 95 0 .32 14 98 1 11 2300 23 96 .01 .33 14 97 1 12 0 23 96 .01 .34 14 98 1 12 100 23 96 .01 .35 14 98 1 12 200 23 96 .01 .36 15 98 1 12 300 24 96 0 .36 16 99 1 12 400 24 97 .02 .38 16 98 Total Prec. 4800' ------------------------------------ .38 Page 1 1-12-2020 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' ------------------------------------------------------ 1 11 500 27 98 99 0 1 11 600 26 97 98 2 1 11 700 27 97 98 3 1 11 800 27 98 99 3 1 11 900 27 98 99 3 1 11 1000 27 98 100 4 1 11 1100 27 98 100 5 1 11 1200 27 98 101 7 1 11 1300 26 97 101 8 1 11 1400 26 97 100 9 1 11 1500 25 96 103 10 1 11 1600 24 96 103 10 1 11 1700 23 95 104 11 1 11 1800 22 95 104 11 1 11 1900 22 95 104 11 1 11 2000 22 95 103 12 1 11 2100 22 95 105 13 1 11 2200 22 95 104 13 1 11 2300 22 95 105 12 1 12 0 22 95 103 13 1 12 100 22 95 105 13 1 12 200 22 95 103 14 1 12 300 22 95 106 15 1 12 400 23 95 105 15 Page 1 1-12-2020 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' ------------------------------------------------------ 1 11 500 25 91 .05 .05 11 40 1000 1 11 600 26 91 .03 .08 13 40 1000 1 11 700 26 92 .04 .12 0 41 1001 1 11 800 28 93 .02 .14 1 39 1001 1 11 900 30 93 0 .14 1 39 1002 1 11 1000 33 90 .01 .15 1 40 1003 1 11 1100 34 90 .02 .17 1 41 1004 1 11 1200 33 91 .03 .2 1 40 1004 1 11 1300 34 90 .02 .22 1 40 1004 1 11 1400 33 91 .02 .24 1 39 1004 1 11 1500 33 90 .02 .26 1 39 1005 1 11 1600 33 89 0 .26 1 39 1005 1 11 1700 31 89 .01 .27 2 39 1006 1 11 1800 31 89 .01 .28 2 39 1006 1 11 1900 30 87 0 .28 2 39 1006 1 11 2000 30 91 .01 .29 2 38 1006 1 11 2100 30 93 .04 .33 3 40 1006 1 11 2200 30 92 .01 .34 3 39 1006 1 11 2300 30 93 .01 .35 3 40 1006 1 12 0 30 93 .01 .36 3 39 1005 1 12 100 30 93 .01 .37 3 38 1004 1 12 200 30 93 .01 .38 4 40 1004 1 12 300 30 93 .01 .39 4 40 1003 1 12 400 29 94 .01 .4 4 -95 1003 Total Prec. 2700' ------------------------------------ .4 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 23 93 0 0 0 242 1 11 600 23 93 0 0 0 244 1 11 700 23 93 0 0 0 242 1 11 800 23 93 0 0 0 238 1 11 900 24 94 0 0 0 245 1 11 1000 25 93 0 0 0 242 1 11 1100 25 93 0 0 0 238 1 11 1200 26 94 0 0 0 245 1 11 1300 26 94 0 0 0 245 1 11 1400 26 94 0 0 0 246 1 11 1500 23 93 0 0 0 244 1 11 1600 22 93 0 0 0 239 1 11 1700 20 92 0 0 0 254 1 11 1800 19 92 0 0 0 242 1 11 1900 19 92 0 0 0 253 1 11 2000 17 91 0 0 0 266 1 11 2100 17 91 0 0 0 283 1 11 2200 17 91 0 0 0 284 1 11 2300 18 91 0 0 0 273 1 12 0 18 91 0 0 0 249 1 12 100 18 92 0 0 0 258 1 12 200 18 92 0 0 0 239 1 12 300 19 92 0 0 0 239 1 12 400 19 92 0 0 0 247 Page 1 1-12-2020 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' ------------------------------------------------------------------------ 1 11 500 27 94 0 0 0 39 .02 .02 9 123 1 11 600 27 94 0 0 0 39 .01 .03 8 29 1 11 700 27 95 0 0 0 39 .03 .06 10 30 1 11 800 27 94 0 0 0 37 0 .06 0 29 1 11 900 26 94 0 0 0 35 .01 .07 0 29 1 11 1000 27 95 0 0 0 13 0 .07 0 30 1 11 1100 30 93 0 0 0 5 0 .07 0 28 1 11 1200 34 90 0 0 0 287 0 .07 0 28 1 11 1300 35 92 0 0 2 172 0 .07 0 29 1 11 1400 37 92 0 0 2 116 0 .07 0 29 1 11 1500 37 91 0 1 3 340 0 .07 0 30 1 11 1600 36 89 0 2 5 348 0 .07 0 29 1 11 1700 35 89 0 0 5 336 0 .07 0 29 1 11 1800 34 93 0 0 3 41 0 .07 0 29 1 11 1900 34 87 0 0 2 53 0 .07 0 29 1 11 2000 33 90 0 0 4 349 0 .07 0 29 1 11 2100 34 83 0 0 3 318 0 .07 1 29 1 11 2200 34 83 0 0 4 287 0 .07 0 29 1 11 2300 33 89 0 0 2 312 0 .07 0 29 1 12 0 32 94 0 0 0 328 0 .07 0 29 1 12 100 32 95 0 0 0 345 0 .07 0 28 1 12 200 32 96 0 0 0 345 .02 .09 0 28 1 12 300 32 95 0 0 0 345 .03 .12 1 27 1 12 400 32 96 0 0 0 345 .02 .14 2 28 Total Prec. 1930' ------------------------------------------------------------ .14 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 24 28 100 98 2 4 58 0 0 5 36 173 1 11 600 24 28 100 98 3 6 43 .01 .01 5 23 20 1 11 700 25 28 100 98 4 7 44 .01 .02 6 53 173 1 11 800 26 27 100 98 4 7 47 0 .02 5 72 173 1 11 900 28 26 97 96 5 14 334 0 .02 5 4 173 1 11 1000 30 29 90 89 8 13 285 0 .02 5 4 25 1 11 1100 31 32 83 86 7 14 264 0 .02 5 5 25 1 11 1200 30 34 86 84 17 27 280 0 .02 5 5 26 1 11 1300 31 36 74 82 21 31 283 0 .02 5 5 26 1 11 1400 31 35 75 88 19 43 278 0 .02 5 5 24 1 11 1500 31 35 62 91 23 41 285 0 .02 5 5 173 1 11 1600 31 34 58 97 23 38 294 0 .02 5 5 21 1 11 1700 29 34 62 99 22 39 296 0 .02 5 5 22 1 11 1800 27 34 71 100 16 34 302 0 .02 5 6 21 1 11 1900 27 34 66 99 8 31 306 0 .02 5 6 23 1 11 2000 28 33 66 100 14 25 293 0 .02 5 6 173 1 11 2100 25 32 92 100 5 21 293 0 .02 5 6 173 1 11 2200 24 32 100 100 2 6 156 0 .02 5 6 173 1 11 2300 24 32 100 100 4 8 130 0 .02 5 6 173 1 12 0 24 32 100 100 4 7 130 0 .02 5 6 173 1 12 100 24 31 100 100 2 6 141 0 .02 5 6 173 1 12 200 24 31 100 100 0 3 150 0 .02 5 6 173 1 12 300 24 31 100 100 0 5 136 0 .02 5 6 173 1 12 400 23 31 100 100 1 4 120 0 .02 5 6 173 Total Prec. 1190 ------------------------------------------------------------------ .02 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 12.5 28 220 0 1 11 600 12.5 28 228 0 1 11 700 12.5 28 189 0 1 11 800 12.5 28 191 0 1 11 900 12.5 28 157 1 1 11 1000 12.5 28 213 3 1 11 1100 12.6 27 210 7 1 11 1200 12.6 27 195 8 1 11 1300 12.7 27 227 7 1 11 1400 12.7 26 218 8 1 11 1500 12.7 25 214 7 1 11 1600 12.6 24 214 3 1 11 1700 12.5 23 228 0 1 11 1800 12.5 23 222 0 1 11 1900 12.5 24 226 0 1 11 2000 12.5 24 201 0 1 11 2100 12.5 23 188 0 1 11 2200 12.5 23 198 0 1 11 2300 12.5 24 198 0 1 12 0 12.5 24 208 0 1 12 100 12.5 24 211 0 1 12 200 12.5 24 205 0 1 12 300 12.5 24 205 0 1 12 400 12.5 25 196 0 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------------------------ 1 11 500 25 25 27 97 97 17 29 247 .13 .13 18 56 13 283 23 1 11 600 25 26 28 97 99 13 24 246 .12 .25 0 53 14 283 23 1 11 700 26 28 28 97 100 16 26 189 .14 .39 1 55 10 283 26 1 11 800 26 29 29 98 100 16 25 189 .11 .5 2 56 0 283 0 1 11 900 26 29 29 97 100 14 24 189 .08 .58 5 56 3 283 4 1 11 1000 26 29 30 97 100 15 26 189 .14 .72 5 58 5 283 6 1 11 1100 24 29 31 97 96 18 28 189 .1 .82 7 60 6 283 8 1 11 1200 24 29 32 96 98 17 28 189 .09 .91 8 61 8 283 9 1 11 1300 24 28 32 96 96 18 32 189 .07 .98 8 62 7 283 11 1 11 1400 23 27 32 96 95 17 32 189 .05 1.03 9 62 9 283 13 1 11 1500 22 25 30 97 94 16 35 189 .07 1.1 11 63 11 283 14 1 11 1600 20 24 29 95 93 19 44 189 .09 1.19 11 62 11 86 17 1 11 1700 20 24 29 96 93 16 35 189 .04 1.23 11 63 11 91 18 1 11 1800 20 24 29 96 93 18 30 189 .06 1.29 11 62 11 89 19 1 11 1900 20 24 29 97 93 16 29 189 .06 1.35 11 63 12 85 20 1 11 2000 21 24 29 97 94 15 25 189 .05 1.4 12 62 12 283 43 1 11 2100 21 24 29 97 93 13 21 189 .04 1.44 12 63 13 283 21 1 11 2200 21 24 29 98 93 14 25 189 .04 1.48 12 63 14 91 22 1 11 2300 21 24 29 98 94 12 21 188 .04 1.52 12 63 14 283 23 1 12 0 21 24 29 97 93 13 21 189 .11 1.63 12 64 15 283 23 1 12 100 21 24 29 98 93 13 22 189 .06 1.69 13 63 15 283 23 1 12 200 21 24 29 98 93 13 21 188 .04 1.73 13 64 15 283 24 1 12 300 22 25 30 98 94 9 20 188 .04 1.77 13 63 15 283 43 1 12 400 23 25 30 98 95 10 18 189 .03 1.8 13 63 15 89 43 Total Prec. 3100' ------------------------------------------------------------------------ 1.8 Page 1 1-12-2020 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' ------------------------------------------------------ 1 11 500 1 11 600 1 11 700 1 11 800 1 11 900 1 11 1000 1 11 1100 1 11 1200 1 11 1300 1 11 1400 1 11 1500 1 11 1600 1 11 1700 1 11 1800 1 11 1900 1 11 2000 1 11 2100 1 11 2200 1 11 2300 1 12 0 1 12 100 1 12 200 1 12 300 1 12 400 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 28 26 27 98 9 19 167 .13 .13 20 209 1002 1 11 600 30 28 27 98 8 18 160 .14 .27 44 209 1003 1 11 700 29 29 27 99 5 10 188 .15 .42 0 48 1004 1 11 800 29 30 28 99 9 14 230 .11 .53 0 209 1005 1 11 900 30 30 29 100 16 30 239 .08 .61 3 209 1006 1 11 1000 30 31 31 99 15 23 231 .17 .78 5 54 1008 1 11 1100 31 31 32 96 17 23 224 .12 .9 6 209 1009 1 11 1200 30 31 32 95 12 19 233 .13 1.03 8 58 1009 1 11 1300 29 31 32 97 17 31 234 .11 1.14 44 56 1009 1 11 1400 29 30 32 97 20 30 236 .11 1.25 10 209 1009 1 11 1500 28 27 31 97 25 43 224 .11 1.36 11 58 1010 1 11 1600 27 26 29 95 26 45 231 .15 1.51 12 61 1011 1 11 1700 26 26 29 94 27 52 250 .08 1.59 12 62 1011 1 11 1800 27 26 30 94 32 47 255 .02 1.61 11 59 1011 1 11 1900 27 26 30 93 31 47 247 .04 1.65 12 209 1011 1 11 2000 27 26 29 96 24 35 241 .06 1.71 12 209 1010 1 11 2100 26 26 29 98 28 54 243 .04 1.75 12 209 1010 1 11 2200 26 26 29 99 16 28 253 .05 1.8 13 209 1010 1 11 2300 27 26 29 99 10 14 228 .05 1.85 13 209 1009 1 12 0 27 26 29 99 5 14 206 .06 1.91 14 209 1008 1 12 100 26 27 29 99 8 17 223 .05 1.96 14 209 1008 1 12 200 28 27 29 99 11 16 227 .06 2.02 14 209 1007 1 12 300 28 27 29 99 11 20 222 .04 2.06 14 209 1007 1 12 400 28 27 30 99 11 22 226 .02 2.08 14 59 1005 Total Prec. 3010' ------------------------------------------------------------------ 2.08 Page 1 1-12-2020 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' ------------------------------------------------------------ 1 11 500 28 0 55 .01 .01 4 19 1000 1 11 600 28 0 53 0 .01 5 17 1000 1 11 700 28 0 54 0 .01 0 19 1001 1 11 800 28 0 53 0 .01 0 19 1002 1 11 900 30 0 54 0 .01 0 20 1003 1 11 1000 32 0 58 0 .01 0 19 1004 1 11 1100 32 0 56 0 .01 0 19 1005 1 11 1200 33 0 59 0 .01 0 19 1005 1 11 1300 32 0 58 0 .01 0 19 1005 1 11 1400 30 0 54 0 .01 0 19 1005 1 11 1500 29 0 52 0 .01 0 19 1006 1 11 1600 26 0 48 0 .01 0 19 1006 1 11 1700 25 0 46 0 .01 1 19 1007 1 11 1800 25 0 47 .01 .02 1 19 1006 1 11 1900 26 0 47 0 .02 1 19 1006 1 11 2000 26 0 47 0 .02 1 19 1006 1 11 2100 25 0 47 0 .02 0 19 1006 1 11 2200 25 0 46 0 .02 1 19 1007 1 11 2300 24 0 46 0 .02 2 19 1007 1 12 0 24 0 49 0 .02 2 19 1006 1 12 100 26 0 49 0 .02 0 19 1005 1 12 200 26 0 49 0 .02 2 20 1005 1 12 300 25 0 50 .01 .03 2 20 1005 1 12 400 26 0 49 0 .03 2 20 1003 Total Prec. 4100' ------------------------------------------ .03 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 21 27 29 93 100 29 37 217 .01 .01 -1 22 1 11 600 21 27 30 93 100 28 39 217 0 .01 -1 22 1 11 700 21 27 27 93 100 31 51 226 .01 .02 -1 22 1 11 800 22 27 30 94 100 29 49 241 0 .02 -1 22 1 11 900 22 27 31 94 100 30 52 252 0 .02 -1 22 1 11 1000 22 27 31 93 100 23 43 243 0 .02 -1 22 1 11 1100 23 27 31 94 100 28 48 244 0 .02 -1 22 1 11 1200 22 27 30 93 100 35 61 244 0 .02 -1 22 1 11 1300 21 26 30 93 100 40 63 240 0 .02 -1 22 1 11 1400 21 26 29 93 100 32 52 234 0 .02 -1 22 1 11 1500 20 26 28 93 99 35 57 233 0 .02 -1 22 1 11 1600 18 24 27 92 99 36 58 231 0 .02 -1 21 1 11 1700 16 22 25 92 100 35 59 233 0 .02 -1 21 1 11 1800 16 22 25 92 99 32 54 235 0 .02 -1 22 1 11 1900 16 22 25 92 98 29 50 235 0 .02 -1 21 1 11 2000 16 22 25 92 96 33 53 233 0 .02 -1 21 1 11 2100 16 22 25 91 95 32 49 236 0 .02 -1 21 1 11 2200 16 22 25 91 99 28 43 232 0 .02 -1 21 1 11 2300 15 21 25 91 98 28 48 232 0 .02 -1 22 1 12 0 16 22 25 91 98 25 37 231 0 .02 -1 23 1 12 100 16 23 25 92 100 31 46 229 .01 .03 0 22 1 12 200 17 23 25 92 100 30 46 218 .01 .04 0 23 1 12 300 16 22 25 92 100 32 39 209 .01 .05 0 23 1 12 400 17 22 25 92 100 32 49 214 .01 .06 0 23 Total Prec. 5160' ------------------------------------------------------------------------ .06 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 22 -4 98 19 4 10 21 216 .04 .04 7 38 1 11 600 22 -5 98 19 5 13 28 223 .05 .09 1 -37 1 11 700 22 -6 98 18 9 27 45 262 .06 .15 -330 39 1 11 800 22 -6 98 18 6 23 37 250 .06 .21 -217 40 1 11 900 23 -7 98 18 8 25 42 251 .04 .25 4 42 1 11 1000 22 -8 98 17 10 22 40 253 .01 .26 4 41 1 11 1100 22 -9 98 17 9 21 38 252 0 .26 -331 42 1 11 1200 22 -9 98 16 8 22 47 240 0 .26 4 41 1 11 1300 21 -10 98 16 10 28 52 232 0 .26 4 41 1 11 1400 21 -10 97 16 11 31 54 263 0 .26 -218 42 1 11 1500 17 -11 96 15 11 32 58 263 0 .26 -215 40 1 11 1600 14 -12 95 15 12 32 56 267 0 .26 5 -34 1 11 1700 15 -12 95 15 11 30 59 253 0 .26 5 41 1 11 1800 16 -13 95 14 20 34 59 265 0 .26 4 41 1 11 1900 17 -13 96 14 10 32 59 264 0 .26 5 42 1 11 2000 17 -13 96 14 8 28 48 256 .04 .3 5 -35 1 11 2100 16 -13 96 14 11 32 51 267 .04 .34 -215 43 1 11 2200 16 -14 96 14 11 30 49 268 .01 .35 4 41 1 11 2300 17 -14 96 14 12 23 37 272 .02 .37 5 41 1 12 0 18 -14 96 14 6 17 32 251 .04 .41 -215 42 1 12 100 17 -14 96 14 10 18 30 268 .03 .44 6 42 1 12 200 17 -14 96 14 5 16 29 242 .04 .48 6 42 1 12 300 18 -15 96 13 4 12 24 236 0 .48 6 42 1 12 400 18 -15 96 13 9 16 32 221 .01 .49 6 42 Total Prec. 4310' ------------------------------------------------------------------------ .49 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 23 24 8 239 9 188 1 11 600 23 24 10 72 10 188 1 11 700 23 24 11 73 13 188 1 11 800 24 25 12 75 13 71 1 11 900 24 25 13 75 13 188 1 11 1000 23 24 13 75 -0 188 1 11 1100 23 24 13 75 -0 188 1 11 1200 24 24 13 75 0 188 1 11 1300 23 24 13 75 0 188 1 11 1400 23 23 13 75 0 188 1 11 1500 18 20 0 75 0 188 1 11 1600 16 17 0 75 0 188 1 11 1700 17 18 0 75 0 72 1 11 1800 18 19 0 75 0 188 1 11 1900 19 19 0 75 0 188 1 11 2000 18 19 1 75 1 72 1 11 2100 18 19 2 75 2 188 1 11 2200 18 19 2 75 2 188 1 11 2300 18 19 2 76 2 188 1 12 0 18 19 2 75 3 188 1 12 100 19 20 3 76 3 188 1 12 200 19 20 3 76 3 188 1 12 300 19 19 3 76 4 74 1 12 400 20 21 4 76 3 188 Page 1 1-12-2020 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' ------------------------------------------------------------------------------ 1 11 500 22 23 97 91 0 0 204 48 .05 .05 377 1 11 600 22 23 97 90 0 0 203 49 .05 .1 377 1 11 700 23 23 97 91 0 0 207 49 .07 .17 377 1 11 800 23 23 96 91 0 0 195 48 .05 .22 377 1 11 900 23 24 96 91 0 0 209 50 .06 .28 377 1 11 1000 23 27 97 90 0 0 211 51 .1 .38 377 1 11 1100 23 29 97 89 0 0 208 51 .11 .49 377 1 11 1200 23 28 97 88 0 0 208 51 .12 .61 377 1 11 1300 23 28 96 89 0 0 206 52 .09 .7 377 1 11 1400 23 28 96 84 0 0 202 52 .11 .81 377 1 11 1500 22 22 97 87 0 0 197 50 .07 .88 377 1 11 1600 19 20 96 88 0 0 194 45 .02 .9 377 1 11 1700 18 20 95 90 0 0 212 45 .02 .92 377 1 11 1800 18 20 95 90 0 0 216 40 .02 .94 377 1 11 1900 18 20 95 90 0 0 319 39 0 .94 377 1 11 2000 18 21 95 90 0 0 308 43 .01 .95 377 1 11 2100 18 20 95 90 0 0 320 37 0 .95 377 1 11 2200 18 20 95 90 0 0 320 41 .01 .96 377 1 11 2300 18 20 95 89 0 0 225 44 .02 .98 377 1 12 0 18 20 95 89 0 0 190 44 .04 1.02 377 1 12 100 19 20 95 89 0 0 181 44 .02 1.04 377 1 12 200 18 20 95 89 0 0 211 44 .03 1.07 377 1 12 300 18 20 95 90 0 0 171 44 .04 1.11 377 1 12 400 19 21 95 90 0 0 225 45 .03 1.14 377 Total Prec. 5500' ------------------------------------------------------------------------ 1.14 Page 1 1-12-2020 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' ------------------------------------------------------------ 1 11 500 22 23 98 96 15 26 263 58 1 11 600 22 23 98 96 17 27 284 57 1 11 700 22 22 98 96 14 30 334 61 1 11 800 20 21 98 96 17 28 321 62 1 11 900 19 21 97 95 20 35 316 61 1 11 1000 19 21 96 96 19 32 296 62 1 11 1100 19 21 96 95 21 32 278 62 1 11 1200 19 21 95 95 19 30 295 61 1 11 1300 18 20 95 94 20 32 309 61 1 11 1400 16 17 92 93 20 31 287 61 1 11 1500 14 14 72 84 22 35 303 60 1 11 1600 16 16 83 85 26 41 285 60 1 11 1700 15 16 83 77 21 38 329 58 1 11 1800 17 18 96 90 23 36 328 58 1 11 1900 17 18 95 92 20 47 340 58 1 11 2000 16 17 95 90 23 35 305 57 1 11 2100 16 17 96 91 17 34 350 57 1 11 2200 17 18 96 89 14 30 340 56 1 11 2300 17 18 97 92 14 22 321 56 1 12 0 17 18 96 91 15 24 263 57 1 12 100 17 18 96 90 16 28 282 57 1 12 200 18 19 94 87 18 34 273 57 1 12 300 16 17 97 94 10 19 241 56 1 12 400 20 19 96 93 11 28 227 56 Page 1 1-12-2020 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' ------------------------------------------------------------------------ 1 11 500 25 98 4 9 267 .11 .11 16 119 0 1 11 600 25 98 3 7 265 .1 .21 18 121 0 1 11 700 25 98 3 8 253 .09 .3 20 123 0 1 11 800 25 98 4 8 262 .09 .39 21 122 0 1 11 900 25 98 4 9 263 .1 .49 22 124 14 1 11 1000 25 97 3 8 263 .05 .54 23 125 30 1 11 1100 24 97 3 9 265 .07 .61 23 125 50 1 11 1200 24 97 2 11 268 .09 .7 24 126 71 1 11 1300 23 96 4 13 271 .1 .8 24 126 94 1 11 1400 20 94 8 17 274 .03 .83 25 126 76 1 11 1500 19 94 11 17 270 .02 .85 25 126 73 1 11 1600 20 96 10 17 273 .01 .86 24 126 26 1 11 1700 20 95 11 20 271 0 .86 24 125 5 1 11 1800 21 96 11 18 270 .01 .87 24 125 0 1 11 1900 22 96 9 15 271 .02 .89 25 125 0 1 11 2000 21 96 9 17 272 .03 .92 25 125 0 1 11 2100 21 96 5 14 269 .04 .96 25 125 0 1 11 2200 21 96 6 12 268 .03 .99 26 125 0 1 11 2300 21 96 5 11 268 .04 1.03 26 123 0 1 12 0 21 96 4 10 266 .05 1.08 27 126 0 1 12 100 21 96 4 11 266 .04 1.12 27 125 0 1 12 200 21 95 3 7 262 .05 1.17 28 126 0 1 12 300 22 96 1 8 265 .05 1.22 28 126 0 1 12 400 23 96 3 9 271 .08 1.3 29 128 0 Total Prec. 5400' ------------------------------------------------------ 1.3 Page 1 1-12-2020 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' --------------------------------------------------------------- 1 11 500 10 94 0 0 0 289 0 1 11 600 10 93 0 0 0 289 0 1 11 700 9 93 0 0 0 289 0 1 11 800 8 93 0 0 0 289 2 1 11 900 8 92 0 0 0 289 61 1 11 1000 7 92 0 0 0 289 122 1 11 1100 7 92 0 0 0 289 143 1 11 1200 6 91 0 0 0 289 196 1 11 1300 5 91 0 0 0 289 181 1 11 1400 6 91 0 0 0 289 151 1 11 1500 2 89 0 0 0 289 143 1 11 1600 2 88 0 0 0 289 46 1 11 1700 8 87 0 0 0 289 9 1 11 1800 11 92 0 0 0 289 0 1 11 1900 6 91 0 0 0 289 0 1 11 2000 8 84 0 0 0 289 0 1 11 2100 6 91 0 0 0 289 0 1 11 2200 6 90 0 0 0 289 0 1 11 2300 6 89 0 0 0 289 0 1 12 0 5 91 0 0 0 289 0 1 12 100 5 91 0 0 0 289 0 1 12 200 6 92 0 0 0 289 0 1 12 300 6 92 0 0 0 289 0 1 12 400 7 91 0 0 0 289 0 Page 1 1-12-2020 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' ------------------------------------------------------------------------------ 1 11 500 25 99 21 38 59 255 .09 .09 78 1 11 600 25 99 24 38 66 264 .12 .21 79 1 11 700 25 99 18 35 64 263 .12 .33 80 1 11 800 25 99 20 36 60 273 .12 .45 82 1 11 900 24 99 20 36 52 269 .08 .53 83 1 11 1000 24 98 26 36 54 275 .08 .61 83 1 11 1100 24 98 21 34 48 275 .08 .69 84 1 11 1200 24 98 25 41 65 270 .07 .76 85 1 11 1300 23 98 22 44 68 270 .07 .83 85 1 11 1400 22 98 26 42 64 275 .1 .93 86 1 11 1500 19 97 28 54 82 270 .05 .98 86 1 11 1600 20 97 40 63 88 274 .01 .99 86 1 11 1700 19 97 44 72 107 272 .02 1.01 86 1 11 1800 19 97 47 80 119 273 0 1.01 86 1 11 1900 20 98 43 65 95 276 .01 1.02 86 1 11 2000 20 97 35 62 91 277 .03 1.05 86 1 11 2100 20 97 28 47 70 273 .03 1.08 86 1 11 2200 20 97 19 41 71 274 .03 1.11 86 1 11 2300 20 97 16 33 60 274 .04 1.15 86 1 12 0 20 97 20 33 56 272 .06 1.21 87 1 12 100 20 98 19 36 61 271 .04 1.25 87 1 12 200 20 97 18 32 52 271 .05 1.3 86 1 12 300 21 97 15 30 44 266 .03 1.33 87 1 12 400 22 98 17 32 54 252 .04 1.37 88 Total Prec. 5800' ------------------------------------------------------------------------ 1.37 Page 1 1-12-2020 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 1-12-2020 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' ------------------------------------------------------------------------ 1 11 500 25 99 7 14 24 272 .13 .13 15 80 1 11 600 25 99 6 13 22 272 .14 .27 0 80 1 11 700 25 99 6 12 20 270 .15 .42 2 82 1 11 800 23 98 8 18 38 287 .1 .52 3 81 1 11 900 23 98 8 15 29 280 .05 .57 3 84 1 11 1000 22 97 5 15 33 283 .05 .62 4 84 1 11 1100 22 97 2 14 33 286 .06 .68 5 85 1 11 1200 22 97 9 16 37 287 .05 .73 5 84 1 11 1300 21 96 7 16 31 287 .04 .77 6 85 1 11 1400 21 96 8 16 33 290 .05 .82 6 86 1 11 1500 21 95 8 16 31 292 .05 .87 6 86 1 11 1600 20 96 9 17 32 293 .02 .89 7 86 1 11 1700 20 96 10 18 35 294 .03 .92 7 86 1 11 1800 20 96 10 18 34 297 .02 .94 7 86 1 11 1900 21 96 10 18 34 292 .03 .97 7 87 1 11 2000 21 96 9 16 31 287 .03 1 7 87 1 11 2100 21 96 7 15 27 284 .06 1.06 6 88 1 11 2200 22 96 8 14 31 285 .06 1.12 6 86 1 11 2300 22 97 8 14 34 283 .07 1.19 6 90 1 12 0 22 97 8 14 32 280 .08 1.27 5 90 1 12 100 21 96 5 13 29 282 .06 1.33 6 91 1 12 200 22 96 6 10 20 283 .08 1.41 7 91 1 12 300 22 97 6 11 19 272 .08 1.49 9 94 1 12 400 23 97 6 11 19 273 .08 1.57 10 95 Total Prec. 5880' ------------------------------------------------------------ 1.57 Page 1 1-12-2020 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon 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' ------------------------------------------------ 1 11 500 22 97 0 0 0 360 1 11 600 22 97 0 0 0 360 1 11 700 22 97 0 0 0 0 1 11 800 21 97 0 0 1 360 1 11 900 20 96 0 0 2 360 1 11 1000 20 96 0 0 5 1 1 11 1100 21 96 0 0 7 359 1 11 1200 21 96 0 0 5 359 1 11 1300 20 96 0 0 5 0 1 11 1400 20 96 0 0 6 0 1 11 1500 19 96 0 0 4 0 1 11 1600 18 96 0 0 4 360 1 11 1700 17 96 0 0 2 359 1 11 1800 17 95 0 0 2 360 1 11 1900 18 95 0 0 1 360 1 11 2000 18 95 0 0 1 0 1 11 2100 18 95 0 0 1 360 1 11 2200 19 96 0 0 0 0 1 11 2300 19 96 0 0 0 0 1 12 0 19 96 0 0 0 360 1 12 100 18 96 0 0 0 360 1 12 200 19 95 0 0 0 360 1 12 300 19 95 0 0 0 0 1 12 400 20 96 0 0 0 360 Page 1 1-12-2020 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' ------------------------------------------------------------------------------------ 1 11 500 22 27 90 96 18 47 315 .17 .17 15 68 1004 1 11 600 22 27 90 96 23 53 239 .15 .32 0 69 1004 1 11 700 21 27 90 96 23 48 231 .16 .48 2 70 1005 1 11 800 20 25 89 95 36 73 205 .13 .61 3 71 1006 1 11 900 19 24 89 95 30 54 258 .08 .69 4 72 1008 1 11 1000 18 24 89 94 34 59 235 .06 .75 3 72 1009 1 11 1100 18 23 88 94 39 73 253 .06 .81 3 72 1009 1 11 1200 17 23 88 94 52 84 252 .07 .88 4 72 1009 1 11 1300 17 23 89 94 49 76 253 .08 .96 4 73 1009 1 11 1400 16 22 88 94 48 71 246 .06 1.02 5 73 1010 1 11 1500 16 23 87 94 47 72 245 .06 1.08 5 73 1010 1 11 1600 16 22 89 94 50 77 252 .03 1.11 5 73 1010 1 11 1700 16 22 89 94 60 87 271 .05 1.16 5 73 1009 1 11 1800 17 22 88 94 61 90 250 .04 1.2 5 73 1009 1 11 1900 17 23 89 94 54 79 243 .05 1.25 5 74 1009 1 11 2000 18 23 89 95 48 72 271 .06 1.31 6 74 1009 1 11 2100 18 24 89 95 42 75 248 .07 1.38 6 74 1008 1 11 2200 18 23 89 95 35 67 270 .07 1.45 6 75 1008 1 11 2300 18 24 89 95 31 61 264 .1 1.55 7 75 1008 1 12 0 18 24 89 95 30 53 234 .11 1.66 9 76 1008 1 12 100 18 23 89 94 28 51 252 .07 1.73 9 76 1008 1 12 200 19 24 89 95 18 41 216 .09 1.82 10 76 1007 1 12 300 20 25 89 95 15 43 229 .1 1.92 12 79 1006 1 12 400 20 25 89 95 16 35 187 .1 2.02 13 80 1006 Total Prec. 5380' ------------------------------------------------------------------ 2.02 Page 1 1-12-2020 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' ------------------------------------------------ 1 11 500 21 94 28 47 74 39 1 11 600 21 93 29 51 77 39 1 11 700 20 93 24 46 76 34 1 11 800 19 93 11 41 72 34 1 11 900 19 92 0 31 93 32 1 11 1000 20 93 28 49 81 53 1 11 1100 21 94 28 52 87 46 1 11 1200 21 93 33 56 83 115 1 11 1300 19 92 33 56 86 110 1 11 1400 17 91 31 52 85 155 1 11 1500 17 91 28 49 90 183 1 11 1600 16 91 14 48 74 181 1 11 1700 15 90 0 0 32 180 1 11 1800 16 90 0 0 0 187 1 11 1900 16 91 0 0 0 188 1 11 2000 16 91 0 0 0 194 1 11 2100 17 91 0 0 0 171 1 11 2200 17 91 0 0 0 176 1 11 2300 17 91 0 0 0 123 1 12 0 17 91 0 0 0 66 1 12 100 16 91 0 9 50 82 1 12 200 17 91 0 34 55 123 1 12 300 18 91 20 41 70 91 1 12 400 18 92 23 41 68 114 Page 1 1-12-2020 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' ------------------------------------------------------------------------------ 1 11 500 29 32 0 98 4 9 20 307 .08 .08 43 1 11 600 29 32 0 98 3 9 22 316 .09 .17 44 1 11 700 29 32 0 98 4 10 18 313 .11 .28 41 1 11 800 28 31 0 98 4 10 24 326 .11 .39 45 1 11 900 27 30 0 98 3 11 26 321 .07 .46 44 1 11 1000 26 30 0 98 4 8 18 339 .08 .54 42 1 11 1100 26 29 0 98 3 8 18 324 .08 .62 44 1 11 1200 26 29 0 97 4 10 28 328 .06 .68 46 1 11 1300 26 29 0 97 4 9 19 321 .03 .71 47 1 11 1400 25 28 0 97 4 10 28 354 .01 .72 45 1 11 1500 25 29 0 97 4 10 21 331 .02 .74 43 1 11 1600 25 29 0 96 4 9 23 322 .01 .75 43 1 11 1700 24 29 0 97 4 10 25 325 0 .75 44 1 11 1800 24 28 0 97 6 11 27 335 .01 .76 46 1 11 1900 25 29 0 97 4 9 21 317 .01 .77 44 1 11 2000 25 29 0 97 4 9 21 320 .04 .81 44 1 11 2100 25 29 0 97 4 8 20 317 .06 .87 47 1 11 2200 26 29 0 97 4 9 20 329 .05 .92 46 1 11 2300 25 29 0 97 4 9 21 327 .06 .98 48 1 12 0 24 29 0 98 4 10 20 317 .08 1.06 49 1 12 100 25 29 0 97 4 9 21 326 .07 1.13 47 1 12 200 25 29 0 97 2 5 13 278 .08 1.21 49 1 12 300 26 30 0 97 3 6 16 288 .1 1.31 48 1 12 400 26 30 0 97 3 7 21 310 .1 1.41 52 Total Prec. 3660' ------------------------------------------------------------------------ 1.41 Page 1