10-20-2020 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' ------------------------------------------------------------------ 10 19 1900 32 96 2 7 14 345 0 0 4 10 19 2000 31 94 2 6 12 351 0 0 4 10 19 2100 31 89 0 5 9 342 0 0 4 10 19 2200 31 89 0 2 6 296 0 0 4 10 19 2300 32 86 -0 1 4 238 0 0 3 10 20 0 32 79 -0 2 5 229 0 0 4 10 20 100 32 83 -0 3 6 234 0 0 4 10 20 200 32 71 -0 2 5 239 0 0 5 10 20 300 32 66 -0 3 7 354 0 0 4 10 20 400 32 63 0 2 6 357 0 0 5 10 20 500 32 64 -0 2 6 337 0 0 4 10 20 600 32 60 -0 1 4 325 0 0 4 10 20 700 32 59 -0 2 5 292 0 0 4 10 20 800 33 59 0 4 9 344 0 0 4 10 20 900 34 58 -0 2 6 349 0 0 4 10 20 1000 38 50 -0 0 4 356 0 0 5 10 20 1100 39 60 -0 0 4 2 0 0 5 10 20 1200 38 69 -0 1 7 304 0 0 3 10 20 1300 41 62 -0 2 7 255 0 0 4 10 20 1400 37 83 -0 0 7 297 0 0 3 10 20 1500 39 76 -0 2 9 313 0 0 3 10 20 1600 36 83 -0 2 8 315 0 0 3 10 20 1700 34 88 0 3 13 347 0 0 4 10 20 1800 32 92 -0 4 9 351 0 0 3 Total Prec. 5250' ------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------------------------------------ 10 19 1900 32 36 67 97 2 8 20 265 0 0 76 12 10 19 2000 33 37 60 91 3 9 19 266 .01 .01 76 6 10 19 2100 33 36 52 87 4 11 24 274 0 .01 76 10 10 19 2200 33 36 53 95 3 10 22 268 0 .01 77 9 10 19 2300 33 35 52 97 3 8 20 275 0 .01 76 7 10 20 0 33 35 56 97 1 7 15 285 0 .01 76 10 10 20 100 34 35 52 99 0 5 15 277 0 .01 76 8 10 20 200 33 35 52 97 0 3 8 115 0 .01 76 8 10 20 300 32 35 58 98 0 3 10 52 0 .01 76 9 10 20 400 32 35 62 99 0 2 10 256 0 .01 76 9 10 20 500 31 34 65 98 0 1 6 228 0 .01 76 8 10 20 600 31 34 59 95 1 4 7 215 0 .01 77 10 10 20 700 30 33 65 95 1 5 7 196 0 .01 77 9 10 20 800 33 35 58 93 2 5 8 195 0 .01 77 12 10 20 900 31 37 64 89 3 6 10 174 0 .01 77 5 10 20 1000 31 37 64 89 1 7 13 158 0 .01 75 8 10 20 1100 37 39 54 81 4 7 13 176 0 .01 60 9 10 20 1200 34 38 62 79 2 7 11 171 0 .01 58 9 10 20 1300 32 39 68 83 4 9 13 173 0 .01 58 9 10 20 1400 34 39 64 78 2 8 13 175 0 .01 59 10 10 20 1500 33 39 65 88 0 5 11 185 0 .01 60 11 10 20 1600 33 37 63 88 1 6 10 191 0 .01 63 8 10 20 1700 32 36 71 92 1 5 10 195 0 .01 65 12 10 20 1800 31 35 68 93 2 6 11 195 0 .01 65 10 Total Prec. 4210' ------------------------------------------------------------------------ .01 Page 1 10-20-2020 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' ------------------------------------------------------------------------------ 10 19 1900 26 30 99 87 13 19 242 55 0 0 6 10 19 2000 27 31 98 80 9 16 265 55 0 0 6 10 19 2100 27 31 100 88 7 12 269 55 0 0 6 10 19 2200 27 31 99 83 5 14 286 54 0 0 6 10 19 2300 27 31 98 79 3 5 22 55 0 0 5 10 20 0 27 31 97 79 4 10 194 56 0 0 6 10 20 100 26 31 98 80 2 5 339 56 0 0 6 10 20 200 26 29 96 88 2 5 309 55 0 0 6 10 20 300 26 29 99 89 4 7 266 56 0 0 6 10 20 400 26 30 98 85 4 8 255 56 0 0 5 10 20 500 25 29 94 88 2 5 255 54 0 0 6 10 20 600 25 28 91 88 1 6 125 56 0 0 5 10 20 700 25 27 95 89 4 6 240 54 0 0 6 10 20 800 25 28 95 88 6 9 232 58 .01 .01 6 10 20 900 26 31 93 75 7 9 222 60 0 .01 5 10 20 1000 29 32 83 69 4 6 234 60 0 .01 5 10 20 1100 33 33 74 62 3 9 234 62 0 .01 5 10 20 1200 30 38 79 53 4 9 277 73 0 .01 5 10 20 1300 32 38 74 53 4 9 217 73 0 .01 5 10 20 1500 33 36 71 57 6 10 257 70 0 .01 5 10 20 1500 30 35 80 59 6 11 225 62 0 .01 5 10 20 1600 28 33 80 60 6 12 217 57 0 .01 5 10 20 1700 27 32 91 70 7 13 234 58 0 .01 5 10 20 1800 26 30 96 81 5 9 261 55 0 .01 5 Total Prec. 5450' ------------------------------------------------------------------------ .01 Page 1 10-20-2020 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' ------------------------------------------------------------------------ 10 19 1900 52 -6999 0 1 5 295 0 0 0 6 10 19 2000 53 -6999 0 2 6 293 0 0 0 3 10 19 2100 52 -6999 0 2 5 294 0 0 0 6 10 19 2200 51 -6999 0 2 4 279 0 0 0 5 10 19 2300 51 -6999 0 2 4 274 0 0 0 5 10 20 0 52 -6999 0 2 5 269 0 0 0 6 10 20 100 48 -6999 0 1 3 270 0 0 0 6 10 20 200 46 -6999 0 0 3 334 0 0 0 2 10 20 300 46 -6999 0 0 4 320 0 0 0 2 10 20 400 41 -6999 0 0 4 10 0 0 0 2 10 20 500 40 -6999 0 0 4 307 0 0 0 4 10 20 600 37 -6999 0 0 0 0 0 0 0 6 10 20 700 36 -6999 14 0 0 0 0 0 0 4 10 20 800 38 -6999 29 0 1 348 0 0 0 2 10 20 900 45 -6999 88 0 1 235 0 0 0 3 10 20 1000 49 -6999 60 0 0 0 0 0 0 3 10 20 1100 53 -6999 120 0 3 209 0 0 0 4 10 20 1200 56 -6999 125 0 5 279 0 0 0 4 10 20 1300 58 -6999 573 2 5 296 0 0 0 4 10 20 1400 56 -6999 141 2 5 297 0 0 0 4 10 20 1500 56 -6999 103 2 5 303 0 0 0 4 10 20 1600 54 -6999 23 1 4 280 0 0 0 3 10 20 1700 51 -6999 2 0 5 285 0 0 0 3 10 20 1800 47 -6999 0 0 3 281 0 0 0 5 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------ 10 19 1900 32 11 20 30 275 10 19 2000 32 9 22 36 277 10 19 2100 32 8 19 31 278 10 19 2200 32 7 20 28 277 10 19 2300 31 7 16 30 279 10 20 0 31 6 16 27 277 10 20 100 31 3 15 28 275 10 20 200 31 2 11 21 281 10 20 300 31 3 11 18 279 10 20 400 31 2 9 17 278 10 20 500 31 4 10 19 273 10 20 600 30 4 11 16 272 10 20 700 30 0 7 15 279 10 20 800 30 0 4 11 261 10 20 900 31 0 3 13 289 10 20 1000 32 0 3 11 287 10 20 1100 33 0 3 12 294 10 20 1200 33 0 8 19 290 10 20 1300 34 0 6 19 289 10 20 1400 34 0 4 12 292 10 20 1500 32 2 13 26 284 10 20 1600 32 3 19 29 285 10 20 1700 32 5 18 29 282 10 20 1800 32 5 20 29 278 Page 1 10-20-2020 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' ------------------------------------------------------ 10 19 1900 37 94 .05 .05 -0 0 1018 10 19 2000 37 93 .01 .06 -0 1 1018 10 19 2100 37 94 .02 .08 0 0 1018 10 19 2200 37 94 .01 .09 -0 0 1019 10 19 2300 36 93 0 .09 -0 1 1019 10 20 0 36 91 0 .09 -0 0 1019 10 20 100 36 94 0 .09 -0 0 1019 10 20 200 36 95 0 .09 -0 0 1019 10 20 300 36 95 0 .09 0 0 1019 10 20 400 36 95 0 .09 -0 0 1019 10 20 500 36 95 0 .09 0 0 1019 10 20 600 36 95 0 .09 -0 0 1019 10 20 700 36 95 0 .09 0 0 1019 10 20 800 36 95 0 .09 0 0 1019 10 20 900 36 95 0 .09 -0 0 1019 10 20 1000 37 94 0 .09 -0 0 1019 10 20 1100 39 92 0 .09 -0 0 1019 10 20 1200 39 86 0 .09 -0 0 1018 10 20 1300 40 77 0 .09 -0 0 1017 10 20 1400 40 76 0 .09 -0 0 1017 10 20 1500 39 88 0 .09 -0 0 1017 10 20 1600 38 91 .01 .1 -0 1 1016 10 20 1700 37 92 .02 .12 -0 1 1016 10 20 1800 36 91 0 .12 -0 1 1016 Total Prec. 3950' ------------------------------------ .12 Page 1 10-20-2020 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' ------------------------------------------------ Total Prec. 4800' ------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------ 10 19 1900 33 0 5 19 291 24 202 10 19 2000 33 0 5 22 287 18 215 10 19 2100 33 0 4 20 276 20 226 10 19 2200 33 0 4 21 270 18 226 10 19 2300 32 0 4 15 303 23 238 10 20 0 32 0 4 19 286 18 242 10 20 100 32 0 5 17 298 19 243 10 20 200 31 0 3 12 288 22 243 10 20 300 32 0 3 12 294 21 241 10 20 400 32 0 3 10 302 18 237 10 20 500 31 0 2 10 281 18 239 10 20 600 31 0 1 7 269 21 238 10 20 700 32 0 1 7 246 20 230 10 20 800 32 0 0 4 143 17 227 10 20 900 32 0 0 4 86 17 257 10 20 1000 33 0 0 6 65 22 239 10 20 1100 34 94 2 10 334 19 250 10 20 1200 35 94 1 9 299 25 237 10 20 1300 38 89 3 11 288 22 288 10 20 1400 35 89 4 14 290 29 199 10 20 1500 34 96 4 13 294 18 203 10 20 1600 33 96 3 14 294 20 214 10 20 1700 33 97 4 17 283 19 216 10 20 1800 32 96 4 15 294 20 220 Page 1 10-20-2020 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' ------------------------------------------------------ 10 19 1900 41 89 .01 .01 0 4 1017 10 19 2000 41 91 .01 .02 1 1 1018 10 19 2100 41 91 .01 .03 0 2 1018 10 19 2200 41 89 0 .03 0 2 1018 10 19 2300 41 90 0 .03 0 1 1018 10 20 0 40 91 0 .03 0 3 1019 10 20 100 40 91 0 .03 0 1 1019 10 20 200 40 92 0 .03 0 2 1019 10 20 300 39 92 0 .03 0 1 1019 10 20 400 39 92 0 .03 0 2 1019 10 20 500 40 91 0 .03 0 3 1019 10 20 600 39 91 0 .03 0 2 1019 10 20 700 39 92 0 .03 0 2 1019 10 20 800 40 91 .01 .04 0 2 1019 10 20 900 42 85 0 .04 0 2 1019 10 20 1000 46 64 0 .04 0 2 1018 10 20 1100 46 64 0 .04 0 3 1019 10 20 1200 47 60 0 .04 0 3 1018 10 20 1300 48 56 0 .04 1 2 1017 10 20 1400 47 67 0 .04 0 2 1016 10 20 1500 45 70 0 .04 0 2 1016 10 20 1600 44 76 0 .04 1 3 1016 10 20 1700 43 76 0 .04 0 3 1015 10 20 1800 41 85 .01 .05 0 1 1016 Total Prec. 2700' ------------------------------------ .05 Page 1 10-20-2020 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' ------------------------------------------------ 10 19 1900 29 93 18 27 37 266 10 19 2000 29 93 10 19 28 276 10 19 2100 30 90 18 26 33 269 10 19 2200 29 90 11 18 28 266 10 19 2300 28 96 10 20 27 277 10 20 0 28 96 11 16 20 281 10 20 100 27 96 10 15 22 281 10 20 200 27 96 12 17 21 280 10 20 300 27 96 13 18 25 275 10 20 400 27 96 11 15 22 276 10 20 500 27 96 9 14 19 262 10 20 600 27 96 10 13 18 270 10 20 700 27 95 9 15 19 277 10 20 800 27 96 8 13 19 272 10 20 900 27 95 10 15 23 252 10 20 1000 27 96 10 14 20 265 10 20 1100 28 96 6 13 22 237 10 20 1200 30 95 3 10 18 229 10 20 1300 32 86 6 14 25 221 10 20 1400 32 89 7 15 24 225 10 20 1500 30 96 8 16 23 222 10 20 1600 29 97 6 15 21 231 10 20 1700 28 97 11 17 28 236 10 20 1800 27 95 9 16 29 240 Page 1 10-20-2020 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' ------------------------------------------------------------------------ 10 19 1900 47 71 0 2 5 336 0 0 0 -0 10 19 2000 47 72 0 0 3 305 0 0 0 -0 10 19 2100 46 72 0 0 4 347 0 0 0 -0 10 19 2200 47 71 0 0 3 336 0 0 0 -0 10 19 2300 46 72 0 0 4 296 0 0 0 -0 10 20 0 45 74 0 0 3 268 0 0 0 -0 10 20 100 45 73 0 0 2 294 0 0 0 -0 10 20 200 39 89 0 0 2 30 0 0 0 -0 10 20 300 36 92 0 0 1 20 0 0 0 0 10 20 400 34 94 0 0 0 9 0 0 0 0 10 20 500 33 95 0 0 0 9 0 0 0 -0 10 20 600 32 95 0 0 0 9 0 0 0 -0 10 20 700 31 96 0 0 0 9 0 0 0 0 10 20 800 33 95 0 0 0 11 0 0 0 0 10 20 900 39 94 0 0 0 17 0 0 0 -0 10 20 1000 45 81 0 0 2 8 0 0 0 -0 10 20 1100 51 54 0 0 4 353 0 0 0 -0 10 20 1200 51 52 0 1 4 332 0 0 0 -0 10 20 1300 53 48 0 0 4 313 0 0 1 -0 10 20 1400 52 52 0 0 3 303 0 0 1 -0 10 20 1500 51 61 0 1 4 286 0 0 0 -0 10 20 1600 50 57 0 0 5 301 0 0 0 -0 10 20 1700 47 68 0 0 2 315 0 0 0 -0 10 20 1800 46 70 0 0 2 284 0 0 0 0 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------------------------------------ 10 19 1900 39 53 73 52 6 22 220 0 0 -20 -0 2 10 19 2000 39 55 71 46 5 18 237 0 0 -17 -0 0 10 19 2100 38 54 73 45 5 20 288 0 0 -17 -0 2 10 19 2200 38 54 71 45 11 29 268 0 0 -16 -0 2 10 19 2300 38 54 73 45 7 19 265 0 0 -17 -0 1 10 20 0 37 50 69 55 3 12 312 0 0 -18 -0 2 10 20 100 37 45 65 73 8 19 268 0 0 -22 -0 0 10 20 200 37 43 65 79 9 21 267 0 0 -23 -0 3 10 20 300 37 40 63 84 9 21 267 0 0 -23 -0 3 10 20 400 36 38 68 88 10 20 275 0 0 -27 -0 1 10 20 500 36 37 69 91 9 19 280 0 0 -30 -0 2 10 20 600 36 36 64 92 8 16 282 0 0 -28 -0 2 10 20 700 36 36 63 94 6 14 290 0 0 -29 -0 2 10 20 800 37 38 60 90 3 10 324 0 0 -27 -0 2 10 20 900 37 41 60 80 4 11 344 0 0 -25 -0 2 10 20 1000 41 44 53 76 5 16 282 0 0 -23 -1 2 10 20 1100 41 50 65 61 3 7 26 0 0 -19 -1 1 10 20 1200 41 54 61 48 3 8 47 0 0 -18 -1 2 10 20 1300 43 56 52 43 6 18 304 0 0 -18 -1 1 10 20 1400 45 58 49 39 14 25 259 0 0 -21 -2 3 10 20 1500 44 57 50 39 8 17 247 0 0 -18 -1 2 10 20 1600 40 57 59 36 5 15 270 0 0 -16 -0 1 10 20 1700 39 55 59 42 8 26 288 0 0 -16 -0 3 10 20 1800 39 51 56 52 16 36 278 0 0 -19 -0 4 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------ 10 19 1900 12.6 36 215 0 10 19 2000 12.6 35 140 0 10 19 2100 12.6 34 125 0 10 19 2200 12.6 33 120 0 10 19 2300 12.6 33 153 0 10 20 0 12.6 33 135 0 10 20 100 12.6 33 143 0 10 20 200 12.6 33 97 0 10 20 300 12.6 33 96 0 10 20 400 12.6 33 107 0 10 20 500 12.6 32 68 0 10 20 600 12.6 32 74 0 10 20 700 12.6 32 43 2 10 20 800 12.6 32 63 9 10 20 900 12.8 33 148 10 10 20 1000 13.8 34 47 11 10 20 1100 13.8 35 144 11 10 20 1200 14.2 37 225 11 10 20 1300 14.0 37 203 11 10 20 1400 14.1 37 212 11 10 20 1500 13.7 38 216 11 10 20 1600 13.4 37 209 10 10 20 1700 12.8 36 204 7 10 20 1800 12.8 35 243 0 Page 1 10-20-2020 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' ------------------------------------------------------------------------------------------------------ 10 19 1900 32 -39 42 98 100 0 0 0 .08 .08 49 -1 40 20 -7999 10 19 2000 31 -39 40 93 100 0 0 0 .08 .16 49 -1 39 21 -7999 10 19 2100 31 -39 40 96 100 0 0 0 .04 .2 49 -1 38 21 -7999 10 19 2200 30 34 39 95 100 0 0 0 .01 .21 49 -1 38 19 -7999 10 19 2300 30 34 39 97 100 0 0 0 0 .21 49 -1 37 22 -7999 10 20 0 30 35 39 98 100 0 0 0 .01 .22 49 -1 40 22 -7999 10 20 100 30 34 39 98 100 0 0 0 0 .22 49 -1 42 22 -7999 10 20 200 30 34 39 99 100 0 0 0 0 .22 49 -1 44 22 309 10 20 300 30 34 38 98 100 0 0 0 0 .22 49 -1 44 22 406 10 20 400 29 34 37 99 100 0 0 0 0 .22 49 -1 45 22 465 10 20 500 29 33 38 99 100 0 0 0 0 .22 49 -1 43 22 457 10 20 600 29 34 37 99 100 0 0 0 0 .22 49 -1 41 22 466 10 20 700 29 34 37 99 100 0 0 0 0 .22 49 -1 41 22 469 10 20 800 29 34 38 99 100 0 0 0 0 .22 49 -1 41 21 502 10 20 900 30 36 40 98 100 0 0 0 0 .22 49 -1 39 22 466 10 20 1000 30 36 42 95 100 0 0 0 0 .22 48 -1 39 19 -7999 10 20 1100 30 37 43 87 100 0 0 0 0 .22 48 -1 39 19 -7999 10 20 1200 30 39 44 79 100 0 0 0 0 .22 48 -1 40 19 -7999 10 20 1300 31 40 44 77 100 0 0 0 0 .22 48 -1 39 23 -7999 10 20 1400 32 39 45 81 100 0 0 0 0 .22 48 -1 41 23 -7999 10 20 1500 32 39 44 84 100 0 0 0 0 .22 48 -2 40 22 -7999 10 20 1600 30 38 43 88 100 0 0 0 0 .22 48 -0 41 22 -7999 10 20 1700 30 37 42 90 100 0 0 0 0 .22 49 -1 41 19 -7999 10 20 1800 30 36 40 94 100 0 0 0 0 .22 49 -1 41 19 537 Total Prec. 3100' ------------------------------------------------------------------------ .22 Page 1 10-20-2020 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' ------------------------------------------------------------------------------------ 10 19 1900 39 38 42 100 19 33 264 .08 .08 0 -0 1021 10 19 2000 39 38 40 100 21 29 264 .06 .14 0 -1 1021 10 19 2100 38 37 40 99 19 28 272 .02 .16 0 -0 1021 10 19 2200 37 36 39 95 20 29 264 0 .16 0 -1 1021 10 19 2300 38 36 39 99 14 23 273 0 .16 0 -1 1022 10 20 0 37 36 39 100 11 17 262 0 .16 0 -1 1022 10 20 100 37 36 39 100 10 15 253 0 .16 0 -1 1022 10 20 200 37 36 39 100 6 12 239 0 .16 0 -1 1022 10 20 300 36 36 38 100 6 12 236 0 .16 0 -1 1022 10 20 400 36 35 38 100 8 11 221 0 .16 0 -1 1022 10 20 500 36 35 38 100 8 13 220 0 .16 0 -1 1022 10 20 600 35 35 38 100 5 7 224 0 .16 0 -1 1022 10 20 700 35 35 38 100 4 6 246 0 .16 0 -1 1022 10 20 800 36 35 38 100 1 6 100 0 .16 0 -1 1022 10 20 900 37 36 40 99 3 7 218 0 .16 0 -1 1022 10 20 1000 38 39 44 85 4 8 222 0 .16 0 -2 1022 10 20 1100 39 42 46 82 7 13 230 0 .16 0 -0 1021 10 20 1200 40 42 46 78 11 17 224 0 .16 0 -1 1021 10 20 1300 39 43 46 70 13 19 237 0 .16 0 -0 1020 10 20 1400 40 41 46 79 11 17 225 0 .16 0 -0 1020 10 20 1500 41 40 46 76 10 16 248 0 .16 0 -0 1019 10 20 1600 40 40 44 83 12 17 266 0 .16 0 -1 1019 10 20 1700 40 39 43 88 10 18 254 0 .16 0 -0 1019 10 20 1800 39 39 41 97 13 24 275 0 .16 0 -0 1019 Total Prec. 3010' ------------------------------------------------------------------ .16 Page 1 10-20-2020 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' ------------------------------------------------------------ Total Prec. 4100' ------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------------------------------------ 10 19 1900 40 10 19 2000 36 10 19 2100 34 10 19 2200 34 10 19 2300 35 10 20 0 35 10 20 100 34 10 20 200 34 10 20 300 34 10 20 400 33 10 20 500 33 10 20 600 32 10 20 700 32 10 20 800 34 10 20 900 36 10 20 1000 38 10 20 1100 40 10 20 1200 41 10 20 1300 40 10 20 1400 40 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 10-20-2020 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' 4535' 6830' 4535' 6830' 6830' 6830' 6830' 4535' 4535' 4535' 4535' ------------------------------------------------------------------------------------ 10 19 1900 32 39 99 81 14 28 44 269 0 0 25 0 10 19 2000 31 38 100 87 13 24 33 269 0 0 30 1 10 19 2100 30 37 100 86 7 15 30 268 0 0 36 1 10 19 2200 30 37 100 89 7 15 29 268 0 0 32 1 10 19 2300 30 36 100 95 8 16 24 271 0 0 32 0 10 20 0 29 34 100 97 5 16 26 271 0 0 31 0 10 20 100 29 33 100 95 5 13 25 283 0 0 29 2 10 20 200 28 33 100 95 7 17 23 265 0 0 38 2 10 20 300 28 34 100 94 7 13 17 270 0 0 33 1 10 20 400 27 34 100 94 4 11 18 261 0 0 34 1 10 20 500 28 34 99 94 3 9 16 255 0 0 28 1 10 20 600 28 33 99 94 3 8 14 264 0 0 35 1 10 20 700 28 33 98 95 0 6 12 244 0 0 23 0 10 20 800 27 32 98 95 0 5 9 235 0 0 29 1 10 20 900 27 34 98 93 3 9 16 254 0 0 36 1 10 20 1000 28 37 95 91 3 9 17 278 0 0 31 1 10 20 1100 29 39 95 81 2 9 16 257 0 0 43 0 10 20 1200 30 38 98 84 1 6 16 259 0 0 37 0 10 20 1300 32 38 99 82 1 7 17 259 .01 .01 0 2 10 20 1400 31 38 99 86 2 9 20 266 0 .01 -0 0 10 20 1500 32 38 98 88 4 9 14 264 0 .01 0 0 10 20 1600 29 37 100 92 4 12 23 272 0 .01 0 2 10 20 1700 29 36 100 93 4 14 24 270 0 .01 0 2 10 20 1800 28 36 100 89 4 14 31 273 0 .01 0 2 Total Prec. 4535' ------------------------------------------------------------------------ .01 Page 1 10-20-2020 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' ------------------------------------------------ 10 19 1900 33 49 -0 10 19 2000 32 49 -0 10 19 2100 31 49 -0 10 19 2200 32 49 -0 10 19 2300 31 49 -0 10 20 0 30 49 -1 10 20 100 30 49 -2 10 20 200 29 49 -3 10 20 300 29 49 -0 10 20 400 29 49 -1 10 20 500 29 49 -0 10 20 600 29 49 -1 10 20 700 29 49 -0 10 20 800 29 49 -2 10 20 900 30 49 -1 10 20 1000 32 49 -3 10 20 1100 32 49 -2 10 20 1200 32 49 -2 10 20 1300 33 49 -2 10 20 1400 33 27 -2 10 20 1500 32 27 -2 10 20 1600 31 27 -1 10 20 1700 30 28 -0 10 20 1800 30 28 -1 Page 1 10-20-2020 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' ------------------------------------------------------------------------------ 10 19 1900 32 34 98 97 19 33 220 34 0 0 1 10 19 2000 32 34 98 97 16 24 242 34 0 0 2 10 19 2100 32 33 98 96 19 29 248 33 0 0 1 10 19 2200 31 33 98 97 12 18 247 33 0 0 2 10 19 2300 31 33 98 97 11 21 287 33 0 0 2 10 20 0 31 33 98 97 13 19 294 33 .01 .01 2 10 20 100 31 32 98 96 9 12 263 32 .01 .02 1 10 20 200 29 31 99 97 7 12 242 32 .01 .03 1 10 20 300 30 31 98 97 8 12 239 32 0 .03 2 10 20 400 30 31 98 97 6 10 239 32 0 .03 3 10 20 500 29 31 98 96 6 10 239 32 0 .03 2 10 20 600 29 31 98 96 4 6 239 32 0 .03 3 10 20 700 30 31 98 97 3 7 239 32 0 .03 4 10 20 800 29 31 98 96 3 11 239 32 0 .03 2 10 20 900 29 32 98 96 8 13 237 33 0 .03 2 10 20 1000 29 31 97 96 6 10 245 34 .01 .04 2 10 20 1100 30 32 97 96 7 10 244 36 .11 .15 2 10 20 1200 30 32 97 95 7 15 253 38 .05 .2 2 10 20 1300 32 33 98 96 9 15 239 38 0 .2 2 10 20 1400 30 33 98 96 9 14 237 37 0 .2 1 10 20 1500 31 33 98 96 9 16 224 36 0 .2 2 10 20 1500 31 33 98 96 13 18 224 34 0 .2 2 10 20 1600 31 33 98 96 11 19 222 33 0 .2 2 10 20 1700 30 32 98 96 9 15 261 33 0 .2 2 10 20 1800 30 97 8 12 301 Total Prec. 5500' ------------------------------------------------------------------------ .2 Page 1 10-20-2020 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' ------------------------------------------------------------ 10 19 1900 31 33 100 89 18 34 0 5 10 19 2000 31 33 98 84 23 39 0 5 10 19 2100 30 31 100 90 21 44 0 5 10 19 2200 30 31 100 91 21 32 0 7 10 19 2300 30 30 100 96 20 35 0 5 10 20 0 29 30 100 97 13 20 0 4 10 20 100 29 30 100 94 11 18 0 5 10 20 200 30 29 92 96 11 22 0 2 10 20 300 31 27 76 97 14 28 0 4 10 20 400 29 28 89 97 9 19 0 4 10 20 500 27 28 100 96 2 8 0 4 10 20 600 27 28 100 95 3 9 0 5 10 20 700 26 27 100 95 5 12 15 296 10 20 800 29 28 85 94 5 10 266 2 10 20 900 29 29 67 92 7 19 220 3 10 20 1000 31 31 68 91 4 11 491 5 10 20 1100 37 32 76 92 4 9 507 4 10 20 1200 31 92 6 10 20 1300 35 80 5 10 20 1400 32 93 4 10 20 1500 34 85 4 10 20 1600 32 82 5 10 20 1700 29 85 7 10 20 1800 29 87 6 Page 1 10-20-2020 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' ------------------------------------------------------------------------ 10 19 1900 34 96 19 30 250 .01 .01 0 12 0 10 19 2000 33 93 15 23 264 .01 .02 0 14 0 10 19 2100 33 100 12 23 271 0 .02 0 12 0 10 19 2200 33 100 8 17 256 .01 .03 0 13 0 10 19 2300 33 100 9 18 238 .01 .04 0 12 0 10 20 0 33 100 6 11 265 .01 .05 0 10 0 10 20 100 32 100 5 12 268 0 .05 0 11 0 10 20 200 32 100 2 6 288 .01 .06 0 14 0 10 20 300 32 100 3 7 291 0 .06 0 8 0 10 20 400 32 100 3 8 278 .01 .07 0 11 0 10 20 500 32 100 0 4 273 0 .07 0 11 0 10 20 600 32 100 0 2 251 .01 .08 0 10 0 10 20 700 31 100 0 1 260 .01 .09 0 9 7 10 20 800 32 100 0 0 262 0 .09 -0 12 72 10 20 900 32 100 1 6 266 0 .09 -0 11 90 10 20 1000 32 100 0 5 272 .01 .1 -0 11 175 10 20 1100 32 100 1 6 255 0 .1 0 12 119 10 20 1200 33 100 0 0 268 .01 .11 0 9 123 10 20 1300 34 100 2 11 276 0 .11 -0 10 92 10 20 1400 34 100 3 11 265 .01 .12 0 9 68 10 20 1500 34 100 4 11 266 0 .12 0 10 57 10 20 1600 33 100 6 14 247 0 .12 0 10 22 10 20 1700 33 100 9 16 259 .01 .13 0 13 7 10 20 1800 32 100 9 15 255 0 .13 0 10 0 Total Prec. 5400' ------------------------------------------------------ .13 Page 1 10-20-2020 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' --------------------------------------------------------------- 10 19 1900 27 99 6 17 39 122 0 10 19 2000 30 48 4 16 32 86 0 10 19 2100 31 28 15 28 43 82 0 10 19 2200 34 14 11 24 50 81 0 10 19 2300 35 8 5 20 42 69 0 10 20 0 31 20 6 22 39 62 0 10 20 100 35 10 5 18 47 68 0 10 20 200 35 8 4 21 43 86 0 10 20 300 33 14 3 15 34 98 0 10 20 400 31 20 5 13 35 73 0 10 20 500 29 14 0 9 32 144 0 10 20 600 29 20 1 11 26 201 0 10 20 700 30 15 3 14 31 260 6 10 20 800 24 50 3 9 31 52 77 10 20 900 28 44 2 8 15 155 253 10 20 1000 25 56 0 6 14 71 487 10 20 1100 29 47 2 6 13 76 590 10 20 1200 28 58 0 8 23 129 665 10 20 1300 29 60 0 6 19 254 699 10 20 1400 24 83 0 6 23 250 583 10 20 1500 26 56 0 8 21 249 491 10 20 1600 23 75 2 10 27 184 308 10 20 1700 25 35 0 8 25 153 116 10 20 1800 27 31 3 10 22 189 3 Page 1 10-20-2020 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' 4502' 5800' 4502' 5970' 5970' 5970' 5970' 5800' 5800' 5800' ------------------------------------------------------------------------------ 10 19 1900 33 39 100 86 40 57 73 292 0 0 9 10 19 2000 33 39 100 87 31 48 66 295 0 0 10 10 19 2100 32 38 100 89 30 46 64 298 0 0 10 10 19 2200 32 38 100 91 28 48 66 296 0 0 10 10 19 2300 32 37 100 94 20 37 52 295 0 0 9 10 20 0 32 38 100 92 15 28 42 292 0 0 10 10 20 100 32 37 100 95 11 22 40 292 0 0 9 10 20 200 32 37 100 95 10 19 30 293 0 0 8 10 20 300 31 36 100 96 12 19 26 292 0 0 9 10 20 400 31 36 100 95 12 18 27 291 0 0 10 10 20 500 31 36 100 95 9 19 27 291 0 0 10 10 20 600 31 36 100 96 8 14 19 286 0 0 10 10 20 700 31 35 100 100 8 14 19 289 0 0 8 10 20 800 31 35 99 98 10 15 20 290 0 0 8 10 20 900 31 37 100 92 12 19 28 294 0 0 9 10 20 1000 32 39 99 82 8 15 26 302 0 0 9 10 20 1100 34 40 95 75 11 19 25 294 0 0 8 10 20 1200 36 41 91 66 11 17 23 296 0 0 7 10 20 1300 35 40 94 76 12 20 30 297 0 0 9 10 20 1400 34 40 95 76 14 22 31 295 0 0 9 10 20 1500 34 41 95 77 10 19 30 292 0 0 10 10 20 1600 33 40 98 80 11 21 33 296 0 0 10 10 20 1700 32 38 99 86 15 24 34 295 0 0 11 10 20 1800 32 38 100 87 16 28 45 292 0 0 10 Total Prec. 5800' ------------------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------ 10 19 1900 44 95 3 9 318 0 0 10 19 2000 44 97 1 7 314 0 0 10 19 2100 43 99 2 6 321 0 0 10 19 2200 43 98 3 9 313 0 0 10 19 2300 43 99 2 6 309 0 0 10 20 0 43 99 2 12 310 0 0 10 20 100 43 99 0 5 304 0 0 10 20 200 41 99 0 4 330 0 0 10 20 300 39 99 -0 0 344 0 0 10 20 400 40 100 -0 0 345 0 0 10 20 500 41 100 -0 0 345 0 0 10 20 600 40 100 -0 0 24 0 0 10 20 700 38 99 -0 0 53 0 0 10 20 800 43 100 -0 0 29 0 0 10 20 900 45 89 0 2 333 0 0 10 20 1000 48 83 0 3 207 0 0 10 20 1100 49 77 1 6 295 0 0 10 20 1200 51 76 0 5 280 0 0 10 20 1300 48 83 2 6 315 0 0 10 20 1400 48 81 1 6 324 0 0 10 20 1500 49 81 0 5 290 0 0 10 20 1600 48 82 3 8 292 0 0 10 20 1700 46 87 0 4 300 0 0 10 20 1800 45 92 0 4 295 0 0 Total Prec. 3260' ------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------------------------------ Total Prec. 5880' ------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------ Page 1 10-20-2020 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' ------------------------------------------------------------------------------------ 10 19 1900 44 42 63 83 23 46 265 0 0 61 4 1019 10 19 2000 41 42 68 82 22 42 254 0 0 60 3 1019 10 19 2100 44 42 60 72 20 47 287 0 0 60 4 1019 10 19 2200 41 39 69 78 21 46 17 0 0 61 7 1019 10 19 2300 41 38 66 83 18 38 246 0 0 59 4 1019 10 20 0 43 37 59 87 10 30 184 0 0 58 6 1020 10 20 100 33 37 85 90 8 27 302 0 0 58 7 1020 10 20 200 32 35 89 95 2 13 108 0 0 57 5 1020 10 20 300 35 35 77 96 2 12 123 0 0 57 5 1020 10 20 400 35 34 74 96 3 12 357 0 0 55 5 1019 10 20 500 36 35 72 96 2 8 32 0 0 54 6 1019 10 20 600 35 35 77 95 1 6 309 0 0 54 5 1020 10 20 700 38 36 63 95 4 14 32 0 0 53 6 1019 10 20 800 38 37 62 94 3 10 325 0 0 53 7 1019 10 20 900 43 40 64 90 5 19 268 0 0 53 5 1020 10 20 1000 44 41 63 85 11 23 219 0 0 52 3 1019 10 20 1100 44 44 62 81 9 22 284 0 0 53 2 1019 10 20 1200 46 46 63 76 11 24 262 0 0 58 3 1019 10 20 1300 42 48 70 70 12 23 271 0 0 61 9 1018 10 20 1400 40 46 71 69 14 24 222 0 0 61 5 1018 10 20 1500 37 44 80 77 13 26 250 0 0 60 4 1018 10 20 1600 37 43 77 75 13 23 253 0 0 60 5 1017 10 20 1700 37 41 73 79 13 22 267 0 0 59 4 1017 10 20 1800 37 41 70 74 14 29 272 0 0 59 7 1017 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 10-20-2020 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' ------------------------------------------------ 10 19 1900 41 78 14 32 60 215 10 19 2000 41 77 12 30 58 217 10 19 2100 44 65 15 37 73 214 10 19 2200 38 82 9 34 64 224 10 19 2300 41 73 9 30 56 228 10 20 0 42 66 4 21 48 222 10 20 100 38 71 0 16 45 222 10 20 200 40 61 0 5 25 192 10 20 300 39 58 0 4 16 179 10 20 400 38 61 0 1 9 176 10 20 500 38 57 0 2 15 207 10 20 600 38 63 0 2 13 261 10 20 700 39 58 0 5 22 250 10 20 800 40 70 0 2 14 236 10 20 900 44 68 0 12 31 234 10 20 1000 45 69 6 21 37 234 10 20 1100 45 68 6 18 30 226 10 20 1200 44 72 8 21 35 224 10 20 1300 41 79 5 19 32 226 10 20 1400 38 84 3 19 29 230 10 20 1500 36 93 0 14 30 235 10 20 1600 36 91 0 15 28 233 10 20 1700 35 88 7 18 29 231 10 20 1800 34 85 8 21 35 231 Page 1 10-20-2020 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