8-7-2020 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' ------------------------------------------------------------------ 8 6 500 47 97 -0 2 7 211 .22 .22 9 8 6 600 44 97 -0 5 12 324 .04 .26 7 8 6 700 41 95 0 6 12 322 .02 .28 11 8 6 800 45 86 2 6 13 338 0 .28 9 8 6 900 43 88 2 6 12 312 0 .28 10 8 6 1000 43 90 2 8 15 260 0 .28 11 8 6 1100 43 91 0 6 16 256 0 .28 10 8 6 1200 41 95 0 5 9 247 0 .28 8 8 6 1300 42 93 0 4 10 263 0 .28 8 8 6 1400 42 93 -0 3 10 268 .01 .29 10 8 6 1500 42 92 -0 5 13 272 0 .29 8 8 6 1600 42 92 -0 4 10 267 0 .29 9 8 6 1700 42 93 -0 4 12 288 0 .29 9 8 6 1800 41 94 -0 4 9 304 0 .29 7 8 6 1900 41 95 0 4 10 319 0 .29 9 8 6 2000 40 95 -0 2 10 303 0 .29 8 8 6 2100 40 95 -0 3 8 298 0 .29 7 8 6 2200 41 95 -0 2 7 326 0 .29 9 8 6 2300 40 95 -0 2 10 321 0 .29 9 8 7 0 39 96 -0 1 7 283 0 .29 5 8 7 100 39 97 -0 2 7 279 0 .29 10 8 7 200 39 96 -0 1 8 268 0 .29 8 8 7 300 38 96 -0 0 4 281 0 .29 7 8 7 400 39 96 -0 1 6 211 0 .29 7 Total Prec. 5250' ------------------------------------------------------------ .29 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 2 50 54 96 8 16 24 165 0 0 -0 1 8 6 600 -30 50 85 94 13 22 32 167 0 0 -0 -2 8 6 700 -22 50 63 94 15 25 34 178 0 0 -0 -1 8 6 800 -24 49 62 96 13 24 36 174 .02 .02 -0 0 8 6 900 -29 49 59 96 11 19 29 171 .15 .17 -0 0 8 6 1000 -29 49 61 93 6 21 35 171 .06 .23 -0 2 8 6 1100 43 46 80 99 6 16 33 200 .08 .31 -0 2 8 6 1200 41 45 66 97 12 18 24 186 .05 .36 -0 2 8 6 1300 40 43 88 98 11 20 31 187 0 .36 -0 4 8 6 1400 -19 44 81 99 10 21 37 164 .02 .38 -0 3 8 6 1500 -22 44 88 94 13 24 35 167 0 .38 -0 2 8 6 1600 40 44 89 97 7 17 32 172 0 .38 -0 2 8 6 1700 39 43 79 95 9 17 25 172 .05 .43 -0 3 8 6 1800 40 43 72 97 5 13 23 181 .05 .48 -0 1 8 6 1900 40 43 70 98 8 14 25 167 0 .48 -0 1 8 6 2000 40 43 68 98 7 12 17 182 .01 .49 -0 -0 8 6 2100 40 43 66 98 0 6 15 197 .08 .57 -0 2 8 6 2200 40 44 89 97 1 5 14 209 .06 .63 -0 4 8 6 2300 41 43 89 100 2 7 14 198 .01 .64 -0 2 8 7 0 41 43 80 100 2 7 14 180 .02 .66 -0 3 8 7 100 41 43 89 100 2 8 13 189 .03 .69 -0 1 8 7 200 41 44 88 100 4 8 13 177 .01 .7 -0 8 8 7 300 41 44 88 99 3 8 13 190 .06 .76 -0 8 8 7 400 41 44 80 99 4 9 18 185 0 .76 -0 10 Total Prec. 4210' ------------------------------------------------------------------------ .76 Page 1 8-7-2020 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' ------------------------------------------------------------------------------ 8 6 500 44 40 83 91 2 5 237 39 0 0 1 8 6 600 44 42 86 95 10 13 244 41 0 0 2 8 6 700 45 46 65 83 8 12 248 45 0 0 1 8 6 800 47 51 70 61 9 12 240 52 0 0 2 8 6 900 48 52 75 62 10 13 223 58 0 0 2 8 6 1000 49 53 76 62 10 14 222 60 0 0 1 8 6 1100 46 51 87 71 11 14 230 56 0 0 2 8 6 1200 44 48 99 86 9 14 232 52 .01 .01 0 8 6 1300 44 48 97 85 10 13 232 52 .02 .03 1 8 6 1400 48 53 84 61 10 16 215 65 0 .03 0 8 6 1500 45 51 80 62 10 18 236 64 0 .03 0 8 6 1600 40 46 87 68 12 19 232 51 0 .03 0 8 6 1700 39 43 91 73 7 12 222 47 0 .03 1 8 6 1800 38 43 90 68 6 12 240 45 0 .03 1 8 6 1900 36 41 92 72 6 15 256 43 0 .03 1 8 6 2000 35 39 96 80 5 9 255 40 .01 .04 2 8 6 2100 36 40 88 75 5 11 229 40 0 .04 1 8 6 2200 36 40 87 73 4 11 258 40 0 .04 2 8 6 2300 35 39 94 79 5 14 271 40 0 .04 2 8 7 0 36 40 93 78 4 11 273 41 0 .04 1 8 7 100 36 39 95 84 2 6 322 40 0 .04 2 8 7 200 36 40 92 79 2 6 299 40 0 .04 2 8 7 300 35 39 96 87 4 11 246 39 0 .04 1 8 7 400 35 38 98 90 8 12 239 39 0 .04 2 Total Prec. 5450' ------------------------------------------------------------------------ .04 Page 1 8-7-2020 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' ------------------------------------------------------------------------ 8 6 500 65 48 3 2 6 293 0 0 3 2 8 6 600 64 49 26 2 6 274 0 0 10 3 8 6 700 69 44 104 2 4 277 0 0 2 3 8 6 800 72 37 123 1 5 276 0 0 -15 2 8 6 900 75 33 249 1 6 264 0 0 -39 3 8 6 1000 78 32 394 2 7 322 0 0 -54 2 8 6 1100 75 36 269 2 6 318 0 0 -57 5 8 6 1200 68 54 120 2 7 346 0 0 -37 1 8 6 1300 69 47 89 1 5 293 0 0 -23 3 8 6 1400 74 36 648 1 5 313 0 0 -32 3 8 6 1500 72 35 258 2 9 305 0 0 -42 4 8 6 1600 69 35 122 3 7 300 0 0 -29 6 8 6 1700 64 40 68 3 8 298 0 0 -14 5 8 6 1800 62 42 27 3 5 292 0 0 4 7 8 6 1900 60 44 9 3 7 293 0 0 19 5 8 6 2000 59 44 0 3 6 293 0 0 29 10 8 6 2100 59 42 0 3 6 306 0 0 36 10 8 6 2200 58 45 0 2 5 291 0 0 41 5 8 6 2300 59 47 0 2 5 295 0 0 44 7 8 7 0 59 49 0 2 5 295 0 0 46 11 8 7 100 58 51 0 2 5 295 0 0 48 10 8 7 200 58 52 0 2 4 301 0 0 50 10 8 7 300 57 56 0 2 5 314 0 0 52 5 8 7 400 56 60 0 0 3 333 0 0 56 10 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 45 45 0 6 19 295 8 6 600 47 49 1 15 22 282 8 6 700 46 48 0 8 21 289 8 6 800 48 47 0 3 10 292 8 6 900 47 47 0 2 6 279 8 6 1000 48 48 0 2 9 289 8 6 1100 47 47 0 5 20 295 8 6 1200 46 45 0 3 11 285 8 6 1300 44 43 0 3 11 286 8 6 1400 42 44 0 5 21 288 8 6 1500 42 43 0 11 24 287 8 6 1600 41 42 1 12 26 286 8 6 1700 41 42 4 16 34 279 8 6 1800 39 40 5 16 30 278 8 6 1900 39 39 2 12 25 279 8 6 2000 39 40 5 16 34 276 8 6 2100 40 40 5 18 30 277 8 6 2200 40 40 7 22 34 276 8 6 2300 40 40 7 20 32 275 8 7 0 40 40 8 18 30 279 8 7 100 40 40 6 14 27 277 8 7 200 40 40 8 15 25 269 8 7 300 40 40 7 14 21 272 8 7 400 40 40 6 12 22 271 Page 1 8-7-2020 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' ------------------------------------------------------ 8 6 500 50 91 0 0 -0 0 1012 8 6 600 50 90 0 0 0 0 1012 8 6 700 51 89 0 0 -0 -0 1012 8 6 800 51 87 0 0 -0 0 1012 8 6 900 51 91 0 0 -0 -0 1012 8 6 1000 52 91 0 0 0 0 1013 8 6 1100 52 89 .03 .03 0 0 1013 8 6 1200 51 90 .01 .04 0 0 1014 8 6 1300 50 90 0 .04 -0 0 1014 8 6 1400 49 89 0 .04 -0 0 1015 8 6 1500 49 85 .01 .05 -0 0 1015 8 6 1600 48 83 0 .05 0 0 1015 8 6 1700 47 90 0 .05 -0 0 1015 8 6 1800 46 91 .03 .08 -0 0 1016 8 6 1900 44 92 .02 .1 0 0 1016 8 6 2000 45 93 0 .1 0 0 1017 8 6 2100 44 93 0 .1 0 -0 1017 8 6 2200 44 92 0 .1 -0 0 1017 8 6 2300 45 91 0 .1 0 0 1018 8 7 0 44 93 .04 .14 -0 0 1018 8 7 100 45 94 .02 .16 0 0 1018 8 7 200 45 95 .01 .17 -0 0 1018 8 7 300 45 95 .01 .18 -0 0 1019 8 7 400 45 95 0 .18 -0 0 1019 Total Prec. 3950' ------------------------------------ .18 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 46 91 0 0 42 248 8 6 600 48 82 0 0 43 250 8 6 700 47 89 0 0 43 249 8 6 800 47 89 0 0 45 251 8 6 900 48 96 0 0 33 251 8 6 1000 48 100 0 0 74 251 8 6 1100 48 98 .03 .03 119 252 8 6 1200 46 100 .02 .05 -7999 -7999 8 6 1300 44 100 .01 .06 -7999 416 8 6 1400 44 94 0 .06 195 314 8 6 1500 44 92 .01 .07 134 280 8 6 1600 43 88 0 .07 105 265 8 6 1700 43 91 0 .07 89 261 8 6 1800 41 95 .01 .08 68 256 8 6 1900 40 98 .01 .09 -7999 -7999 8 6 2000 41 95 0 .09 305 402 8 6 2100 41 90 0 .09 308 304 8 6 2200 41 92 0 .09 228 275 8 6 2300 41 91 0 .09 196 264 8 7 0 41 95 .02 .11 -281 58 8 7 100 41 94 .02 .13 352 225 8 7 200 41 94 .01 .14 232 236 8 7 300 41 95 0 .14 295 240 8 7 400 41 96 .01 .15 303 240 Total Prec. 4800' ------------------------------------ .15 Page 1 8-7-2020 Northwest Avalanche Center Washington Department of Transportation Grace Lakes, Stevens Pass, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Total Shot PST F % Avg Max Dir Snow Snow 4790' 4790' 4590' 4590' 4590' 4790' 4790' ------------------------------------------------------ 8 6 500 45 96 1 7 274 22 117 8 6 600 46 92 1 7 267 23 -10 8 6 700 48 89 2 11 303 27 49 8 6 800 48 94 1 9 14 22 59 8 6 900 48 100 0 4 68 21 4 8 6 1000 49 97 2 11 291 23 85 8 6 1100 49 97 2 15 281 20 112 8 6 1200 48 96 2 11 257 22 134 8 6 1300 45 100 2 12 100 22 129 8 6 1400 44 96 5 18 304 22 64 8 6 1500 44 92 8 23 308 23 53 8 6 1600 43 91 8 24 306 23 63 8 6 1700 42 95 4 16 297 21 269 8 6 1800 40 96 6 25 313 22 67 8 6 1900 39 97 6 23 331 22 62 8 6 2000 40 97 8 24 325 24 107 8 6 2100 40 96 5 18 310 24 17 8 6 2200 41 96 4 14 268 24 44 8 6 2300 41 95 4 14 260 22 56 8 7 0 41 98 3 13 274 22 78 8 7 100 41 97 3 14 300 21 74 8 7 200 41 100 3 11 267 22 64 8 7 300 41 100 3 9 265 22 82 8 7 400 41 100 2 9 279 19 66 Page 1 8-7-2020 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' ------------------------------------------------------ 8 6 500 54 76 0 0 0 1 1009 8 6 600 55 73 0 0 0 1 1009 8 6 700 61 58 0 0 0 2 1010 8 6 800 60 60 0 0 0 2 1010 8 6 900 60 64 0 0 0 1 1010 8 6 1000 60 66 0 0 0 -0 1010 8 6 1100 59 74 0 0 0 0 1011 8 6 1200 60 63 0 0 0 1 1011 8 6 1300 60 57 0 0 0 0 1012 8 6 1400 57 61 0 0 0 1 1013 8 6 1500 57 61 0 0 0 2 1013 8 6 1600 56 60 0 0 0 1 1013 8 6 1700 55 62 0 0 0 2 1013 8 6 1800 51 74 .01 .01 0 2 1014 8 6 1900 51 69 0 .01 0 3 1014 8 6 2000 52 68 0 .01 0 4 1015 8 6 2100 52 64 0 .01 0 1 1015 8 6 2200 53 63 0 .01 0 4 1016 8 6 2300 52 69 0 .01 0 4 1016 8 7 0 50 82 0 .01 0 2 1017 8 7 100 49 86 .01 .02 0 2 1017 8 7 200 50 82 0 .02 0 2 1017 8 7 300 49 86 0 .02 0 2 1018 8 7 400 50 82 0 .02 0 2 1018 Total Prec. 2700' ------------------------------------ .02 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 44 89 12 17 25 253 8 6 600 46 71 6 18 28 259 8 6 700 44 82 6 13 21 239 8 6 800 45 87 9 18 26 247 8 6 900 46 88 13 19 25 248 8 6 1000 44 94 5 15 31 247 8 6 1100 44 96 13 20 30 241 8 6 1200 43 96 11 20 28 229 8 6 1300 45 84 5 17 31 230 8 6 1400 44 77 22 34 46 235 8 6 1500 43 74 15 28 38 231 8 6 1600 41 78 12 24 41 235 8 6 1700 40 88 8 17 31 232 8 6 1800 39 88 8 13 26 259 8 6 1900 37 91 10 15 22 259 8 6 2000 38 82 8 16 25 245 8 6 2100 37 91 10 20 35 255 8 6 2200 36 93 10 17 25 250 8 6 2300 36 96 15 19 28 268 8 7 0 36 97 14 19 26 271 8 7 100 36 97 8 15 28 257 8 7 200 37 96 7 18 28 272 8 7 300 37 95 5 15 24 274 8 7 400 37 97 15 22 32 272 Page 1 8-7-2020 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' ------------------------------------------------------------------------ 8 6 500 62 65 0 0 3 272 0 0 2 1 8 6 600 61 64 0 1 4 271 0 0 2 0 8 6 700 64 57 0 1 4 307 0 0 3 0 8 6 800 66 54 0 1 5 321 0 0 3 0 8 6 900 66 56 0 2 7 331 0 0 2 5 8 6 1000 66 59 0 1 4 334 0 0 2 2 8 6 1100 64 66 0 1 5 340 0 0 2 2 8 6 1200 65 63 0 0 4 339 0 0 2 3 8 6 1300 67 51 0 1 5 325 0 0 1 5 8 6 1400 66 44 0 2 6 315 0 0 2 7 8 6 1500 66 44 0 2 7 324 0 0 2 8 8 6 1600 63 48 0 2 5 317 0 0 2 8 8 6 1700 61 48 0 2 6 313 0 0 2 9 8 6 1800 58 59 0 2 6 328 0 0 2 2 8 6 1900 57 61 0 2 7 327 0 0 2 4 8 6 2000 56 61 0 2 7 318 0 0 2 3 8 6 2100 56 60 0 0 3 303 0 0 2 5 8 6 2200 57 59 0 0 3 290 0 0 2 4 8 6 2300 56 61 0 0 2 20 0 0 2 4 8 7 0 56 64 0 0 3 340 0 0 2 4 8 7 100 55 69 0 0 3 285 0 0 2 4 8 7 200 54 73 0 2 3 302 0 0 2 4 8 7 300 54 73 0 1 3 301 0 0 2 0 8 7 400 52 76 0 0 2 345 0 0 2 0 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 60 67 0 0 -23 -0 8 6 600 62 64 0 0 -22 -1 8 6 700 67 56 0 0 -19 -2 8 6 800 72 40 0 0 -18 -2 8 6 900 73 37 0 0 -18 -2 8 6 1000 74 40 0 0 -18 -1 8 6 1100 75 39 0 0 -18 -1 8 6 1200 71 52 0 0 -20 -1 8 6 1300 70 55 0 0 -20 -1 8 6 1400 73 40 0 0 -19 -1 8 6 1500 72 32 0 0 -19 -1 8 6 1600 70 33 0 0 -18 -1 8 6 1700 69 35 0 0 -18 -1 8 6 1800 67 39 0 0 -19 -1 8 6 1900 65 43 0 0 -17 -0 8 6 2000 63 42 0 0 -18 -0 8 6 2100 62 43 0 0 -16 -0 8 6 2200 62 41 0 0 -16 -0 8 6 2300 63 37 0 0 -17 -0 8 7 0 60 44 0 0 -18 -0 8 7 100 60 46 0 0 -18 -0 8 7 200 60 47 0 0 -18 -0 8 7 300 58 51 0 0 -20 -0 8 7 400 57 55 0 0 -20 -0 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 12.8 45 205 0 8 6 600 12.8 45 225 0 8 6 700 12.8 46 228 0 8 6 800 12.9 47 236 0 8 6 900 12.9 46 226 0 8 6 1000 12.9 45 237 0 8 6 1100 13.3 45 234 0 8 6 1200 13.5 45 235 0 8 6 1300 13.6 45 234 0 8 6 1400 13.6 44 215 0 8 6 1500 13.6 45 207 0 8 6 1600 13.4 45 224 0 8 6 1700 13.4 43 218 0 8 6 1800 13.3 42 220 0 8 6 1900 13.2 42 210 0 8 6 2000 13.1 42 229 0 8 6 2100 13.0 43 199 0 8 6 2200 13.0 43 210 0 8 6 2300 12.9 43 190 0 8 7 0 12.9 42 198 0 8 7 100 12.8 42 192 0 8 7 200 12.8 41 181 0 8 7 300 12.8 41 182 0 8 7 400 12.7 41 182 0 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------------------------ 8 6 500 44 47 51 94 90 0 0 0 0 0 41 -2 60 25 -7999 8 6 600 44 47 51 94 92 0 0 0 0 0 41 -3 61 24 -7999 8 6 700 44 48 52 92 95 0 0 0 0 0 41 -3 60 23 -7999 8 6 800 45 48 53 89 100 0 0 0 0 0 41 -2 60 25 -7999 8 6 900 45 49 53 94 100 0 0 0 .01 .01 40 -1 59 15 -7999 8 6 1000 44 48 52 96 100 0 0 0 .13 .14 40 -2 60 17 -7999 8 6 1100 45 48 53 96 100 0 0 0 .05 .19 41 -0 61 18 -7999 8 6 1200 44 48 53 90 100 0 0 0 0 .19 40 -1 60 23 -7999 8 6 1300 44 50 56 83 100 0 0 0 0 .19 40 -3 61 23 -7999 8 6 1400 42 47 53 84 97 0 0 0 0 .19 40 -0 61 23 -7999 8 6 1500 41 46 51 92 100 0 0 0 .01 .2 40 -0 60 23 -7999 8 6 1600 41 46 52 89 100 0 0 0 .01 .21 41 -0 60 21 -7999 8 6 1700 41 45 50 92 100 0 0 0 .04 .25 41 -0 59 23 -7999 8 6 1800 41 44 49 96 100 0 0 0 .02 .27 41 -0 57 21 -7999 8 6 1900 40 44 49 94 100 0 0 0 .05 .32 41 -1 57 31 -7999 8 6 2000 39 42 47 96 100 0 0 0 .04 .36 42 -0 54 23 -7999 8 6 2100 39 43 47 98 100 0 0 0 .04 .4 41 -0 51 20 -7999 8 6 2200 39 43 48 98 100 0 0 0 .12 .52 42 -0 52 19 -7999 8 6 2300 39 43 48 98 100 0 0 0 0 .52 41 -0 52 26 -7999 8 7 0 40 43 48 98 100 0 0 0 0 .52 41 -0 53 29 -7999 8 7 100 39 43 48 98 100 0 0 0 .02 .54 42 -0 53 27 -7999 8 7 200 39 43 48 99 100 0 0 0 0 .54 42 -0 54 24 -7999 8 7 300 39 43 48 98 100 0 0 0 0 .54 41 -0 55 23 -7999 8 7 400 39 43 47 98 100 0 0 0 0 .54 41 -0 54 23 -7999 Total Prec. 3100' ------------------------------------------------------------------------ .54 Page 1 8-7-2020 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' ------------------------------------------------------ 8 6 500 8 6 600 8 6 700 8 6 800 8 6 900 8 6 1000 8 6 1100 8 6 1200 8 6 1300 8 6 1400 8 6 1500 8 6 1600 8 6 1700 8 6 1800 8 6 1900 8 6 2000 8 6 2100 8 6 2200 8 6 2300 8 7 0 8 7 100 8 7 200 8 7 300 8 7 400 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 47 49 50 97 8 16 219 0 0 0 0 1013 8 6 600 47 50 50 96 6 13 240 0 0 0 0 1013 8 6 700 48 50 52 89 8 12 226 0 0 0 0 1013 8 6 800 49 52 54 90 5 11 221 0 0 0 0 1014 8 6 900 49 52 54 94 7 22 -7999 .01 .01 0 0 1014 8 6 1000 49 50 53 93 23 32 224 .05 .06 0 0 1015 8 6 1100 48 51 54 88 14 25 222 .04 .1 0 0 1015 8 6 1200 48 52 55 84 15 25 223 0 .1 0 0 1016 8 6 1300 48 53 55 78 13 19 232 0 .1 0 0 1016 8 6 1400 49 51 54 81 11 19 -7999 0 .1 0 0 1016 8 6 1500 48 47 52 92 11 22 245 .01 .11 0 0 1017 8 6 1600 48 48 53 86 9 17 234 .02 .13 0 0 1017 8 6 1700 47 47 52 95 17 34 246 .06 .19 0 0 1017 8 6 1800 46 46 50 98 15 27 241 .01 .2 0 0 1017 8 6 1900 45 45 49 99 13 26 250 .05 .25 0 0 1018 8 6 2000 45 43 47 99 28 40 255 .06 .31 0 0 1019 8 6 2100 46 45 48 100 19 32 267 .05 .36 0 0 1019 8 6 2200 45 45 48 100 11 26 263 .13 .49 0 0 1019 8 6 2300 46 45 48 100 16 32 272 0 .49 0 0 1020 8 7 0 45 45 48 100 12 18 245 0 .49 0 0 1020 8 7 100 45 45 48 100 13 23 247 .03 .52 0 0 1020 8 7 200 45 45 48 100 18 25 221 0 .52 0 0 1021 8 7 300 44 45 48 98 17 25 222 0 .52 0 0 1021 8 7 400 44 44 48 99 19 25 221 0 .52 0 0 1021 Total Prec. 3010' ------------------------------------------------------------------ .52 Page 1 8-7-2020 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' ------------------------------------------------------------ 8 6 500 53 41 52 0 0 68 22 1011 8 6 600 61 37 61 0 0 66 26 1011 8 6 700 66 35 79 0 0 76 25 1011 8 6 800 65 38 82 0 0 96 32 1012 8 6 900 61 48 75 0 0 104 18 1012 8 6 1000 59 53 67 0 0 104 11 1013 8 6 1100 58 57 63 0 0 101 17 1013 8 6 1200 53 77 55 .01 .01 96 27 1014 8 6 1300 58 65 64 0 .01 93 6 1014 8 6 1400 60 45 70 .01 .02 92 25 1014 8 6 1500 56 41 62 0 .02 92 16 1014 8 6 1600 55 48 58 0 .02 90 14 1015 8 6 1700 54 50 56 0 .02 86 17 1015 8 6 1800 52 54 53 0 .02 81 18 1015 8 6 1900 49 57 49 0 .02 76 19 1015 8 6 2000 48 62 47 0 .02 71 13 1015 8 6 2100 45 62 44 0 .02 66 19 1016 8 6 2200 45 62 43 0 .02 62 27 1016 8 6 2300 46 55 44 0 .02 57 18 1017 8 7 0 46 56 45 0 .02 53 20 1017 8 7 100 46 60 44 0 .02 49 15 1018 8 7 200 45 64 43 0 .02 44 20 1018 8 7 300 44 65 42 0 .02 40 18 1018 8 7 400 43 67 41 0 .02 37 20 1018 Total Prec. 4100' ------------------------------------------ .02 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 59 8 6 600 58 8 6 700 59 8 6 800 59 8 6 900 62 8 6 1000 61 8 6 1100 58 8 6 1200 54 8 6 1300 54 8 6 1400 57 8 6 1500 56 8 6 1600 54 8 6 1700 52 8 6 1800 50 8 6 1900 49 8 6 2000 48 8 6 2100 48 8 6 2200 49 8 6 2300 47 8 7 0 43 8 7 100 43 8 7 200 43 8 7 300 41 8 7 400 41 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 43 44 77 91 10 16 25 266 0 0 -12 2 8 6 600 44 47 81 89 8 17 27 267 0 0 -28 2 8 6 700 41 48 97 83 2 7 13 270 0 0 -12 2 8 6 800 43 50 95 79 3 9 18 264 0 0 -31 2 8 6 900 43 48 97 92 0 7 13 251 0 0 -13 -49 8 6 1000 43 47 97 95 2 8 18 258 .01 .01 -6 2 8 6 1100 41 48 98 89 2 9 16 268 .04 .05 -22 4 8 6 1200 39 47 98 79 2 8 16 266 0 .05 -13 3 8 6 1300 38 48 91 70 1 9 16 279 0 .05 -30 3 8 6 1400 39 48 94 68 3 7 14 281 0 .05 -44 2 8 6 1500 40 49 89 65 3 10 26 260 0 .05 -27 3 8 6 1600 40 48 90 68 5 19 43 254 0 .05 -33 -151 8 6 1700 37 46 93 74 8 23 47 264 .01 .06 -2 2 8 6 1800 36 46 95 71 7 20 39 258 0 .06 -9 3 8 6 1900 35 46 97 72 6 18 31 255 0 .06 -57 -47 8 6 2000 35 45 96 77 6 18 34 265 0 .06 -29 4 8 6 2100 34 45 96 74 5 18 31 262 0 .06 -22 2 8 6 2200 35 45 98 72 8 17 37 260 0 .06 -31 -151 8 6 2300 35 45 99 75 5 15 27 262 0 .06 -52 3 8 7 0 35 44 99 81 7 15 29 267 0 .06 -54 2 8 7 100 34 43 97 87 6 14 23 262 0 .06 -26 4 8 7 200 35 43 93 86 3 10 18 263 0 .06 -37 -45 8 7 300 35 41 92 87 6 13 19 272 0 .06 -30 3 8 7 400 34 41 95 93 12 18 23 281 0 .06 -29 -151 Total Prec. 4310' ------------------------------------------------------------------------ .06 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 40 52 3 8 6 600 42 52 6 8 6 700 42 52 5 8 6 800 44 52 4 8 6 900 44 51 6 8 6 1000 43 51 5 8 6 1100 43 52 4 8 6 1200 41 52 5 8 6 1300 40 50 6 8 6 1400 40 51 7 8 6 1500 41 51 5 8 6 1600 41 49 6 8 6 1700 38 51 5 8 6 1800 38 52 6 8 6 1900 38 52 5 8 6 2000 37 52 5 8 6 2100 37 53 3 8 6 2200 37 54 5 8 6 2300 37 53 5 8 7 0 37 54 5 8 7 100 36 53 5 8 7 200 36 55 6 8 7 300 37 53 7 8 7 400 37 53 6 Page 1 8-7-2020 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' ------------------------------------------------------------------------------ Total Prec. 5500' ------------------------------------------------------------------------ 0 Page 1 8-7-2020 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' ------------------------------------------------------------ Page 1 8-7-2020 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' ------------------------------------------------------------------------ 8 6 500 44 100 0 0 0 10 8 6 600 43 100 0 0 0 10 8 6 700 44 100 0 0 0 12 8 6 800 45 100 0 0 0 12 8 6 900 45 100 .02 .02 0 10 8 6 1000 44 100 .02 .04 0 10 8 6 1100 43 100 0 .04 0 8 8 6 1200 42 100 0 .04 0 11 8 6 1300 44 93 0 .04 0 11 8 6 1400 44 90 .01 .05 0 10 8 6 1500 43 82 0 .05 0 13 8 6 1600 42 93 0 .05 0 8 8 6 1700 41 91 .01 .06 0 10 8 6 1800 41 89 0 .06 0 8 8 6 1900 40 90 0 .06 0 11 8 6 2000 40 93 0 .06 0 11 8 6 2100 39 94 0 .06 0 12 8 6 2200 39 96 0 .06 0 10 8 6 2300 39 99 0 .06 0 9 8 7 0 38 100 0 .06 0 9 8 7 100 38 100 0 .06 0 9 8 7 200 38 100 .02 .08 0 10 8 7 300 38 100 .01 .09 0 11 8 7 400 38 100 0 .09 0 11 Total Prec. 5400' ------------------------------------------------------ .09 Page 1 8-7-2020 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' --------------------------------------------------------------- 8 6 500 39 58 30 42 53 29 1 8 6 600 37 80 27 38 46 39 55 8 6 700 37 79 2 36 49 69 136 8 6 800 37 75 21 35 52 74 198 8 6 900 32 100 24 36 46 74 329 8 6 1000 32 93 30 40 50 142 256 8 6 1100 31 47 25 40 49 153 790 8 6 1200 29 87 25 43 57 99 888 8 6 1300 30 46 34 48 57 111 798 8 6 1400 33 73 1 26 54 81 985 8 6 1500 31 98 0 5 12 72 648 8 6 1600 28 99 2 6 14 66 454 8 6 1700 28 96 2 8 18 66 329 8 6 1800 36 18 4 14 30 54 257 8 6 1900 35 14 7 17 24 43 22 8 6 2000 26 85 5 11 26 40 6 8 6 2100 35 20 3 10 22 41 0 8 6 2200 29 77 3 10 24 44 0 8 6 2300 30 70 3 10 23 50 0 8 7 0 37 18 6 12 26 49 0 8 7 100 30 72 4 11 20 43 0 8 7 200 35 15 4 8 21 42 0 8 7 300 32 40 2 7 14 44 0 8 7 400 34 27 0 4 12 43 0 Page 1 8-7-2020 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' ------------------------------------------------------------------------------ 8 6 500 44 80 17 29 46 282 0 0 19 8 6 600 43 84 15 25 37 287 0 0 19 8 6 700 46 91 21 36 50 284 0 0 15 8 6 800 47 95 16 28 42 288 0 0 19 8 6 900 46 98 13 22 30 285 .02 .02 16 8 6 1000 45 99 16 26 37 290 .03 .05 16 8 6 1100 44 100 15 23 35 295 .04 .09 19 8 6 1200 43 99 14 23 32 296 .02 .11 19 8 6 1300 39 98 15 28 38 287 .01 .12 19 8 6 1400 39 99 16 28 41 291 0 .12 19 8 6 1500 40 99 13 29 46 288 0 .12 16 8 6 1600 40 99 23 41 64 292 0 .12 14 8 6 1700 40 98 22 38 53 289 0 .12 19 8 6 1800 40 98 23 40 56 291 0 .12 18 8 6 1900 39 98 23 44 67 291 0 .12 16 8 6 2000 38 98 25 43 60 292 0 .12 16 8 6 2100 38 97 24 38 54 290 0 .12 14 8 6 2200 38 97 15 31 52 293 0 .12 17 8 6 2300 38 98 17 27 39 292 0 .12 19 8 7 0 37 98 15 24 36 292 0 .12 19 8 7 100 37 98 12 22 35 293 0 .12 18 8 7 200 37 99 13 20 26 298 0 .12 17 8 7 300 36 100 16 23 28 297 0 .12 17 8 7 400 36 99 16 21 28 299 0 .12 19 Total Prec. 5800' ------------------------------------------------------------------------ .12 Page 1 8-7-2020 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' ------------------------------------------------------ 8 6 500 51 100 0 2 99 0 0 8 6 600 53 97 -0 0 100 0 0 8 6 700 54 98 0 0 125 .04 .04 8 6 800 56 97 -0 0 158 .07 .11 8 6 900 54 96 2 10 289 .04 .15 8 6 1000 54 96 5 10 306 .01 .16 8 6 1100 53 92 2 7 290 0 .16 8 6 1200 53 95 3 9 303 0 .16 8 6 1300 57 83 2 7 302 0 .16 8 6 1400 56 86 4 10 316 0 .16 8 6 1500 56 79 4 13 300 0 .16 8 6 1600 56 84 7 14 303 0 .16 8 6 1700 55 82 5 14 317 0 .16 8 6 1800 55 81 6 12 311 0 .16 8 6 1900 53 85 5 11 319 0 .16 8 6 2000 52 88 6 12 318 0 .16 8 6 2100 51 90 5 12 309 0 .16 8 6 2200 50 95 4 10 306 0 .16 8 6 2300 49 95 0 6 314 0 .16 8 7 0 50 94 0 1 296 0 .16 8 7 100 51 94 -0 0 275 0 .16 8 7 200 48 95 -0 0 277 0 .16 8 7 300 47 100 0 3 338 0 .16 8 7 400 46 97 0 0 11 0 .16 Total Prec. 3260' ------------------------------------------------------ .16 Page 1 8-7-2020 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' ------------------------------------------------------------------------ 8 6 500 44 73 -0 -0 0 316 0 0 15 7 8 6 600 45 83 -0 -0 0 327 0 0 16 5 8 6 700 46 84 -0 -0 0 333 0 0 16 6 8 6 800 45 96 -0 -0 0 353 0 0 16 7 8 6 900 44 98 -1 -0 0 10 .03 .03 13 6 8 6 1000 45 99 -0 0 0 50 .07 .1 10 5 8 6 1100 44 99 -0 -0 0 64 .06 .16 9 4 8 6 1200 44 99 -0 -0 0 69 .06 .22 9 7 8 6 1300 44 99 -0 -0 0 70 .01 .23 9 6 8 6 1400 42 100 -0 -0 0 71 .05 .28 9 5 8 6 1500 40 99 -0 -0 0 70 .02 .3 9 6 8 6 1600 41 100 -0 -0 0 69 0 .3 10 6 8 6 1700 40 100 -0 -0 0 69 .01 .31 10 8 8 6 1800 39 99 -0 -0 0 69 0 .31 11 8 8 6 1900 40 98 -0 -0 0 68 0 .31 11 8 8 6 2000 39 99 -0 -0 0 68 0 .31 13 6 8 6 2100 38 91 -0 -0 3 71 0 .31 14 6 8 6 2200 37 87 -0 -0 0 72 0 .31 13 8 8 6 2300 40 73 -0 -0 0 73 0 .31 15 7 8 7 0 40 70 -0 -0 0 58 0 .31 16 6 8 7 100 41 57 -0 -0 0 46 0 .31 16 8 8 7 200 38 85 -0 -0 0 32 0 .31 16 7 8 7 300 38 89 -0 -0 0 49 0 .31 16 5 8 7 400 38 83 -0 -0 0 58 0 .31 16 5 Total Prec. 5880' ------------------------------------------------------------ .31 Page 1 8-7-2020 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' ------------------------------------------------ 8 6 500 44 77 21 29 35 0 8 6 600 47 74 16 28 39 0 8 6 700 46 91 16 28 40 0 8 6 800 45 94 16 26 38 0 8 6 900 44 93 14 24 32 0 8 6 1000 44 93 17 22 29 0 8 6 1100 44 94 19 26 33 0 8 6 1200 45 91 17 26 35 0 8 6 1300 44 90 19 27 37 0 8 6 1400 41 94 22 31 43 0 8 6 1500 38 92 26 35 45 0 8 6 1600 39 96 27 37 45 0 8 6 1700 38 98 24 34 43 0 8 6 1800 37 97 27 36 46 0 8 6 1900 37 96 26 35 43 0 8 6 2000 37 97 27 35 44 0 8 6 2100 35 89 24 35 44 0 8 6 2200 36 76 27 36 47 0 8 6 2300 39 50 20 33 43 0 8 7 0 40 41 16 29 39 0 8 7 100 44 31 13 26 36 20 8 7 200 44 29 17 25 34 107 8 7 300 43 32 17 23 31 350 8 7 400 46 28 8 16 25 329 Page 1 8-7-2020 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' ------------------------------------------------------------------------------------ 8 6 500 54 62 0 0 32 12 1013 8 6 600 56 53 0 0 32 11 1013 8 6 700 55 72 0 0 32 11 1014 8 6 800 52 81 0 0 32 13 1014 8 6 900 49 82 0 0 32 10 1015 8 6 1000 49 85 .02 .02 30 11 1015 8 6 1100 49 89 .02 .04 29 15 1015 8 6 1200 54 72 .01 .05 37 15 1016 8 6 1300 50 77 0 .05 46 10 1016 8 6 1400 48 82 .02 .07 42 14 1016 8 6 1500 47 69 0 .07 38 13 1016 8 6 1600 49 70 0 .07 36 15 1017 8 6 1700 44 84 0 .07 35 14 1017 8 6 1800 46 63 0 .07 33 17 1016 8 6 1900 44 74 0 .07 31 15 1017 8 6 2000 42 80 0 .07 30 12 1018 8 6 2100 39 86 0 .07 30 15 1018 8 6 2200 38 89 0 .07 30 16 1018 8 6 2300 37 89 0 .07 28 17 1019 8 7 0 37 85 0 .07 27 18 1019 8 7 100 37 82 0 .07 27 18 1019 8 7 200 37 85 0 .07 26 19 1019 8 7 300 37 87 0 .07 26 18 1019 8 7 400 36 88 0 .07 26 18 1019 Total Prec. 5380' ------------------------------------------------------------------ .07 Page 1 8-7-2020 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' ------------------------------------------------ Page 1 8-7-2020 Northwest Avalanche Center Ski Bowl Ski Area, Government Camp, Oregon Wind direction unheated and may rime 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