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 19 500 38 97 0 5 12 269 0 0 4 10 19 600 37 97 2 6 12 279 0 0 2 10 19 700 36 97 0 5 11 255 0 0 2 10 19 800 35 95 0 4 12 272 0 0 2 10 19 900 36 93 0 4 9 264 0 0 3 10 19 1000 40 73 -0 3 10 267 0 0 4 10 19 1100 37 85 -0 4 10 326 0 0 4 10 19 1200 38 84 0 5 10 253 0 0 4 10 19 1300 38 86 0 4 10 256 0 0 3 10 19 1400 37 86 0 5 12 332 0 0 3 10 19 1500 35 89 0 6 12 338 0 0 4 10 19 1600 35 91 0 5 13 319 0 0 4 10 19 1700 35 94 0 5 11 333 0 0 4 10 19 1800 34 96 0 7 18 351 0 0 4 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 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' ------------------------------------------------------------------------------------ 37 67 4 11 17 194 37 66 4 10 15 203 37 69 4 10 17 201 37 70 2 10 22 201 36 68 8 22 35 170 36 71 9 21 33 173 35 69 9 22 33 170 35 73 12 21 30 176 34 67 5 17 30 167 33 74 2 18 34 183 33 69 11 22 35 169 34 71 7 16 29 170 33 70 2 7 15 203 32 67 3 11 23 273 32 67 2 8 20 265 33 60 3 9 19 266 33 52 4 11 24 274 33 53 3 10 22 268 33 52 3 8 20 275 33 56 1 7 15 285 34 52 0 5 15 277 33 52 0 3 8 115 32 58 0 3 10 52 32 62 0 2 10 256 Total Prec. 4210' ------------------------------------------------------------------------ 0 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 19 500 33 38 88 71 10 17 254 38 0 0 6 10 19 600 33 37 91 76 11 20 249 37 0 0 6 10 19 700 33 38 88 71 10 14 256 37 0 0 6 10 19 800 34 39 86 66 12 21 246 49 0 0 6 10 19 900 37 39 73 65 13 26 240 61 0 0 6 10 19 1000 37 40 74 59 11 20 247 63 0 0 6 10 19 1100 38 41 71 57 13 18 228 72 0 0 6 10 19 1200 37 40 70 56 13 19 217 70 0 0 5 10 19 1300 36 40 71 56 10 17 228 68 0 0 6 10 19 1500 33 37 76 57 9 17 218 62 0 0 6 10 19 1500 28 32 100 85 10 20 228 58 .01 .01 6 10 19 1600 28 31 98 88 10 14 242 57 0 .01 6 10 19 1700 27 31 99 92 12 17 237 55 .01 .02 5 10 19 1800 27 30 99 91 10 17 251 53 0 .02 5 10 19 1900 26 30 99 87 13 19 242 55 0 .02 6 10 19 2000 27 31 98 80 9 16 265 55 0 .02 6 10 19 2100 27 31 100 88 7 12 269 55 0 .02 6 10 19 2200 27 31 99 83 5 14 286 54 0 .02 6 10 19 2300 27 31 98 79 3 5 22 55 0 .02 5 10 20 0 27 31 97 79 4 10 194 56 0 .02 6 10 20 100 26 31 98 80 2 5 339 56 0 .02 6 10 20 200 26 29 96 88 2 5 309 55 0 .02 6 10 20 300 26 29 99 89 4 7 266 56 0 .02 6 10 20 400 26 30 98 85 4 8 255 56 0 .02 5 Total Prec. 5450' ------------------------------------------------------------------------ .02 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 19 500 44 -6999 0 2 7 129 0 0 0 5 10 19 600 43 -6999 0 2 7 123 0 0 0 5 10 19 700 42 -6999 8 0 5 58 0 0 0 2 10 19 800 44 -6999 19 0 3 294 0 0 0 1 10 19 900 48 -6999 75 0 3 75 0 0 0 6 10 19 1000 61 -6999 65 2 9 315 0 0 0 4 10 19 1100 62 -6999 93 3 7 299 0 0 0 5 10 19 1200 62 -6999 121 3 8 297 0 0 0 5 10 19 1300 61 -6999 165 3 6 289 0 0 0 5 10 19 1400 59 -6999 65 3 7 287 0 0 0 4 10 19 1500 56 -6999 61 3 7 291 0 0 0 3 10 19 1600 55 -6999 25 3 9 296 0 0 0 6 10 19 1700 54 -6999 3 3 6 275 0 0 0 6 10 19 1800 53 -6999 0 3 6 299 0 0 0 6 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 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 19 500 37 4 22 38 284 10 19 600 37 5 23 38 285 10 19 700 37 6 21 38 283 10 19 800 37 0 23 45 278 10 19 900 37 0 22 36 281 10 19 1000 37 2 24 41 288 10 19 1100 38 5 24 42 288 10 19 1200 38 1 16 34 290 10 19 1300 38 2 24 48 290 10 19 1400 36 1 24 48 296 10 19 1500 35 8 23 39 284 10 19 1600 34 8 21 33 281 10 19 1700 33 13 24 35 275 10 19 1800 32 10 23 33 281 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 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 19 500 43 88 0 0 0 1 1016 10 19 600 43 89 0 0 0 1 1016 10 19 700 42 92 .01 .01 0 1 1016 10 19 800 42 90 0 .01 0 0 1016 10 19 900 43 86 0 .01 0 1 1016 10 19 1000 44 81 0 .01 -0 0 1017 10 19 1100 46 79 0 .01 -0 0 1016 10 19 1200 45 84 0 .01 -0 0 1017 10 19 1300 44 87 .01 .02 0 0 1017 10 19 1400 42 87 .01 .03 0 1 1017 10 19 1500 41 90 .04 .07 0 0 1017 10 19 1600 39 92 .12 .19 -0 0 1017 10 19 1700 38 94 .1 .29 0 0 1018 10 19 1800 38 94 .06 .35 -0 0 1018 10 19 1900 37 94 .05 .4 -0 0 1018 10 19 2000 37 93 .01 .41 -0 1 1018 10 19 2100 37 94 .02 .43 0 0 1018 10 19 2200 37 94 .01 .44 -0 0 1019 10 19 2300 36 93 0 .44 -0 1 1019 10 20 0 36 91 0 .44 -0 0 1019 10 20 100 36 94 0 .44 -0 0 1019 10 20 200 36 95 0 .44 -0 0 1019 10 20 300 36 95 0 .44 0 0 1019 10 20 400 36 95 0 .44 -0 0 1019 Total Prec. 3950' ------------------------------------ .44 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 19 500 38 96 4 17 256 21 160 10 19 600 38 100 4 21 274 21 159 10 19 700 38 0 5 18 271 21 151 10 19 800 38 0 5 20 283 24 220 10 19 900 38 0 5 24 273 20 148 10 19 1000 38 96 5 21 269 20 236 10 19 1100 40 93 5 22 263 20 157 10 19 1200 41 97 9 28 298 25 139 10 19 1300 39 97 10 30 296 19 142 10 19 1400 38 0 10 33 295 19 130 10 19 1500 36 100 7 21 296 21 202 10 19 1600 35 100 6 20 298 19 178 10 19 1700 34 0 4 17 299 18 169 10 19 1800 33 0 4 15 277 18 203 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 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 19 500 48 71 0 0 0 2 1014 10 19 600 48 77 0 0 0 3 1015 10 19 700 46 88 0 0 0 2 1014 10 19 800 48 82 0 0 1 2 1015 10 19 900 50 70 0 0 1 3 1015 10 19 1000 51 64 0 0 0 4 1015 10 19 1100 53 58 0 0 2 3 1015 10 19 1200 53 61 0 0 0 2 1015 10 19 1300 50 74 0 0 0 2 1015 10 19 1400 48 80 .01 .01 2 2 1016 10 19 1500 47 75 0 .01 0 3 1016 10 19 1600 44 88 0 .01 1 2 1016 10 19 1700 42 90 .03 .04 0 2 1017 10 19 1800 41 91 .01 .05 1 2 1017 10 19 1900 41 89 .01 .06 0 4 1017 10 19 2000 41 91 .01 .07 1 1 1018 10 19 2100 41 91 .01 .08 0 2 1018 10 19 2200 41 89 0 .08 0 2 1018 10 19 2300 41 90 0 .08 0 1 1018 10 20 0 40 91 0 .08 0 3 1019 10 20 100 40 91 0 .08 0 1 1019 10 20 200 40 92 0 .08 0 2 1019 10 20 300 39 92 0 .08 0 1 1019 10 20 400 39 92 0 .08 0 2 1019 Total Prec. 2700' ------------------------------------ .08 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 19 500 34 99 14 22 32 249 10 19 600 35 99 10 17 25 268 10 19 700 35 99 8 14 20 262 10 19 800 35 99 11 15 22 267 10 19 900 35 99 10 17 26 269 10 19 1000 35 99 11 17 28 241 10 19 1100 36 97 13 21 34 236 10 19 1200 36 83 16 29 47 246 10 19 1300 37 80 16 27 42 248 10 19 1400 35 84 15 30 44 235 10 19 1500 33 85 13 22 39 253 10 19 1600 31 95 13 23 34 268 10 19 1700 30 97 14 24 36 265 10 19 1800 30 96 15 23 34 273 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 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 19 500 53 70 0 0 3 44 0 0 0 0 10 19 600 53 69 0 0 2 10 0 0 0 -0 10 19 700 52 74 0 0 3 349 0 0 0 -0 10 19 800 53 70 0 0 5 17 0 0 0 -0 10 19 900 55 64 0 1 5 359 0 0 0 -0 10 19 1000 57 59 0 2 6 315 0 0 0 -0 10 19 1100 57 56 0 2 7 304 0 0 0 0 10 19 1200 59 48 0 2 7 321 0 0 0 -0 10 19 1300 58 53 0 2 9 311 0 0 1 -0 10 19 1400 56 49 0 2 7 309 0 0 1 -0 10 19 1500 52 65 0 2 7 310 0 0 0 0 10 19 1600 49 78 0 2 5 332 0 0 0 -0 10 19 1700 48 67 0 2 7 324 0 0 2 -0 10 19 1800 47 74 0 2 4 311 0 0 0 -0 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 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 19 500 44 50 65 72 11 11 254 0 0 -29 -0 0 10 19 600 43 50 67 72 5 5 289 0 0 -28 -0 2 10 19 700 43 50 70 71 0 0 258 0 0 -28 -0 3 10 19 800 44 50 68 73 4 4 250 0 0 -28 -0 2 10 19 900 45 56 64 62 7 18 251 0 0 -26 -1 2 10 19 1000 49 63 52 43 4 18 223 0 0 -21 -1 2 10 19 1100 50 64 46 36 7 22 244 0 0 -21 -1 3 10 19 1200 50 65 43 32 5 22 230 0 0 -23 -1 2 10 19 1300 51 66 47 32 5 24 27 0 0 -23 -1 2 10 19 1400 48 65 50 35 7 27 315 0 0 -25 -1 2 10 19 1500 46 63 51 35 10 41 312 0 0 -25 -1 2 10 19 1600 43 60 67 41 11 33 309 0 0 -22 -1 0 10 19 1700 41 57 70 49 7 22 81 0 0 -22 -0 2 10 19 1800 39 54 74 54 5 14 128 0 0 -21 -0 2 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 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 19 500 12.6 39 200 0 10 19 600 12.6 39 192 0 10 19 700 12.6 39 198 0 10 19 800 12.6 39 196 7 10 19 900 12.7 39 203 10 10 19 1000 12.9 40 247 11 10 19 1100 13.0 40 217 11 10 19 1200 12.9 39 199 10 10 19 1300 12.8 39 206 9 10 19 1400 12.7 38 205 9 10 19 1500 12.7 38 203 9 10 19 1600 12.7 37 219 7 10 19 1700 12.7 37 205 3 10 19 1800 12.6 36 200 0 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 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 19 500 35 -39 44 98 100 0 0 0 .01 .01 49 -0 39 20 -7999 10 19 600 34 39 44 99 100 0 0 0 .01 .02 48 -1 39 20 -7999 10 19 700 34 -39 44 99 100 0 0 0 .01 .03 48 -0 39 18 -7999 10 19 800 35 -39 45 99 100 0 0 0 .01 .04 49 -0 38 18 -7999 10 19 900 36 -39 45 99 100 0 0 0 .01 .05 49 -1 37 16 -7999 10 19 1000 36 -39 46 97 100 0 0 0 .01 .06 48 -2 39 22 -7999 10 19 1100 36 41 47 97 100 0 0 0 .01 .07 48 -2 38 21 -7999 10 19 1200 39 40 46 92 100 0 0 0 .01 .08 48 -2 39 22 -7999 10 19 1300 37 40 45 96 100 0 0 0 .01 .09 48 -1 39 22 -7999 10 19 1400 36 39 45 87 100 0 0 0 0 .09 48 -1 39 22 -7999 10 19 1500 34 38 43 91 100 0 0 0 .01 .1 48 -1 38 20 -7999 10 19 1600 34 38 43 97 100 0 0 0 .06 .16 48 -1 38 21 -7999 10 19 1700 33 37 43 98 100 0 0 0 .11 .27 48 -1 40 21 -7999 10 19 1800 33 -39 42 98 100 0 0 0 .08 .35 49 -2 39 20 -7999 10 19 1900 32 -39 42 98 100 0 0 0 .08 .43 49 -1 40 20 -7999 10 19 2000 31 -39 40 93 100 0 0 0 .08 .51 49 -1 39 21 -7999 10 19 2100 31 -39 40 96 100 0 0 0 .04 .55 49 -1 38 21 -7999 10 19 2200 30 34 39 95 100 0 0 0 .01 .56 49 -1 38 19 -7999 10 19 2300 30 34 39 97 100 0 0 0 0 .56 49 -1 37 22 -7999 10 20 0 30 35 39 98 100 0 0 0 .01 .57 49 -1 40 22 -7999 10 20 100 30 34 39 98 100 0 0 0 0 .57 49 -1 42 22 -7999 10 20 200 30 34 39 99 100 0 0 0 0 .57 49 -1 44 22 309 10 20 300 30 34 38 98 100 0 0 0 0 .57 49 -1 44 22 406 10 20 400 29 34 37 99 100 0 0 0 0 .57 49 -1 45 22 465 Total Prec. 3100' ------------------------------------------------------------------------ .57 Page 1 10-20-2020 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' ------------------------------------------------------ 10 19 500 10 19 600 10 19 700 10 19 800 10 19 900 10 19 1000 10 19 1100 10 19 1200 10 19 1300 10 19 1400 10 19 1500 10 19 1600 10 19 1700 10 19 1800 10 19 1900 10 19 2000 10 19 2100 10 19 2200 10 19 2300 10 20 0 10 20 100 10 20 200 10 20 300 10 20 400 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 19 500 42 41 45 99 22 35 244 .04 .04 0 -2 1018 10 19 600 42 41 44 100 18 25 248 .03 .07 0 -0 1019 10 19 700 42 41 45 100 17 30 263 .02 .09 0 -0 1019 10 19 800 42 41 45 100 18 27 257 .02 .11 0 -0 1020 10 19 900 42 42 46 97 19 32 253 .02 .13 0 -0 1020 10 19 1000 43 42 47 97 20 28 243 .01 .14 0 -1 1020 10 19 1100 42 44 47 89 18 26 245 .01 .15 0 -1 1020 10 19 1200 42 44 47 89 21 35 240 .01 .16 0 -1 1021 10 19 1300 43 43 46 84 20 30 247 .01 .17 0 -1 1020 10 19 1400 42 41 46 86 20 33 274 0 .17 0 -0 1020 10 19 1500 41 41 45 94 19 29 257 .01 .18 0 -2 1021 10 19 1600 41 40 44 99 18 35 242 .04 .22 0 -1 1020 10 19 1700 40 39 43 100 12 21 253 .08 .3 0 -1 1020 10 19 1800 39 39 43 100 13 19 237 .08 .38 0 -0 1020 10 19 1900 39 38 42 100 19 33 264 .08 .46 0 -0 1021 10 19 2000 39 38 40 100 21 29 264 .06 .52 0 -1 1021 10 19 2100 38 37 40 99 19 28 272 .02 .54 0 -0 1021 10 19 2200 37 36 39 95 20 29 264 0 .54 0 -1 1021 10 19 2300 38 36 39 99 14 23 273 0 .54 0 -1 1022 10 20 0 37 36 39 100 11 17 262 0 .54 0 -1 1022 10 20 100 37 36 39 100 10 15 253 0 .54 0 -1 1022 10 20 200 37 36 39 100 6 12 239 0 .54 0 -1 1022 10 20 300 36 36 38 100 6 12 236 0 .54 0 -1 1022 10 20 400 36 35 38 100 8 11 221 0 .54 0 -1 1022 Total Prec. 3010' ------------------------------------------------------------------ .54 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 19 500 41 10 19 600 41 10 19 700 41 10 19 800 42 10 19 900 42 10 19 1000 44 10 19 1100 46 10 19 1200 48 10 19 1300 47 10 19 1400 48 10 19 1500 49 10 19 1600 47 10 19 1700 44 10 19 1800 43 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 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 19 500 31 38 90 90 12 25 40 271 0 0 36 1 10 19 600 32 40 100 85 12 26 41 267 0 0 42 2 10 19 700 31 41 100 81 13 27 45 268 0 0 41 1 10 19 800 32 40 92 86 12 23 39 264 0 0 39 1 10 19 900 33 41 92 81 13 23 35 271 0 0 38 2 10 19 1000 35 43 85 75 11 23 39 264 0 0 43 1 10 19 1100 37 46 75 70 9 22 36 271 0 0 48 0 10 19 1200 39 45 71 69 13 24 37 268 0 0 43 0 10 19 1300 40 46 77 63 13 25 44 268 0 0 42 0 10 19 1400 38 44 65 72 16 26 39 268 0 0 33 0 10 19 1500 37 42 81 76 18 28 40 266 0 0 34 2 10 19 1600 33 40 92 80 14 27 45 265 0 0 31 2 10 19 1700 32 39 93 86 16 28 44 269 0 0 33 1 10 19 1800 32 39 94 78 18 30 43 273 0 0 20 2 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 Total Prec. 4535' ------------------------------------------------------------------------ 0 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 19 500 32 47 -2 10 19 600 33 47 -2 10 19 700 34 47 -2 10 19 800 34 47 -2 10 19 900 36 47 -2 10 19 1000 39 46 -2 10 19 1100 40 46 -3 10 19 1200 41 47 -3 10 19 1300 41 46 -1 10 19 1400 41 47 -1 10 19 1500 38 48 -2 10 19 1600 35 48 -1 10 19 1700 34 48 -2 10 19 1800 33 48 -1 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 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 19 500 33 35 98 97 12 22 208 36 0 0 3 10 19 600 33 35 98 97 7 13 251 35 .02 .02 3 10 19 700 33 36 98 97 9 15 261 36 .01 .03 3 10 19 800 34 36 98 96 9 20 232 37 .05 .08 2 10 19 900 34 36 98 96 14 25 206 38 .06 .14 3 10 19 1000 34 37 97 96 18 25 213 39 .03 .17 3 10 19 1100 35 38 97 96 17 26 225 40 .01 .18 1 10 19 1200 36 38 97 96 23 32 220 40 0 .18 -0 10 19 1300 36 38 97 96 24 31 218 40 0 .18 0 10 19 1500 35 37 97 96 20 36 222 41 .01 .19 2 10 19 1600 35 37 97 96 18 35 219 39 0 .19 1 10 19 1700 33 36 98 96 19 29 223 37 0 .19 2 10 19 1800 33 35 98 96 21 34 228 36 0 .19 2 10 19 1900 32 34 98 96 19 33 220 34 0 .19 0 10 19 2000 32 34 98 97 16 24 242 34 0 .19 1 10 19 2100 32 34 98 97 19 29 248 34 0 .19 2 10 19 2200 31 33 98 96 12 18 247 33 0 .19 1 10 19 2300 31 33 98 97 11 21 287 33 0 .19 2 10 20 0 31 33 98 97 13 19 294 33 0 .19 2 10 20 100 31 33 98 97 9 12 263 33 .01 .2 2 10 20 200 29 32 99 96 7 12 242 32 .01 .21 1 10 20 300 30 31 98 97 8 12 239 32 .01 .22 1 10 20 400 30 31 98 97 6 10 239 32 0 .22 2 10 20 500 29 31 98 97 6 10 239 32 0 .22 3 Total Prec. 5500' ------------------------------------------------------------------------ .22 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 19 500 32 36 84 63 23 38 0 6 10 19 600 32 34 91 78 23 45 0 6 10 19 700 34 35 84 74 20 44 43 5 10 19 800 36 39 71 58 19 37 216 7 10 19 900 37 39 60 49 20 42 391 8 10 19 1000 39 43 51 42 19 35 539 7 10 19 1100 38 42 62 51 14 32 633 6 10 19 1200 38 42 69 57 14 32 655 4 10 19 1300 41 43 66 57 13 32 738 3 10 19 1400 38 40 67 54 11 25 360 5 10 19 1500 36 38 78 66 10 32 115 5 10 19 1600 34 36 86 76 11 28 67 4 10 19 1700 33 36 90 73 11 30 8 5 10 19 1800 31 33 98 85 16 32 0 4 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 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 19 500 35 100 19 28 265 .02 .02 -0 10 0 10 19 600 36 100 17 34 266 .01 .03 -0 10 0 10 19 700 36 100 16 33 262 .01 .04 -0 10 11 10 19 800 36 100 15 25 260 .02 .06 -0 11 176 10 19 900 38 92 17 33 257 .01 .07 0 10 454 10 19 1000 40 94 20 32 249 .01 .08 -0 10 533 10 19 1100 40 87 19 32 257 .01 .09 -0 10 668 10 19 1200 42 82 19 28 256 .01 .1 -0 12 774 10 19 1300 39 90 18 32 248 .01 .11 -0 11 280 10 19 1400 39 83 17 28 264 .02 .13 -0 10 349 10 19 1500 37 87 17 28 254 0 .13 0 11 94 10 19 1600 36 89 16 26 254 .01 .14 0 12 90 10 19 1700 34 93 15 26 255 .01 .15 0 11 10 10 19 1800 34 97 17 29 255 .01 .16 0 9 0 10 19 1900 34 96 19 30 250 .01 .17 0 12 0 10 19 2000 33 93 15 23 264 .01 .18 0 14 0 10 19 2100 33 100 12 23 271 0 .18 0 12 0 10 19 2200 33 100 8 17 256 .01 .19 0 13 0 10 19 2300 33 100 9 18 238 .01 .2 0 12 0 10 20 0 33 100 6 11 265 .01 .21 0 10 0 10 20 100 32 100 5 12 268 0 .21 0 11 0 10 20 200 32 100 2 6 288 .01 .22 0 14 0 10 20 300 32 100 3 7 291 0 .22 0 8 0 10 20 400 32 100 3 8 278 .01 .23 0 11 0 Total Prec. 5400' ------------------------------------------------------ .23 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 19 500 38 54 16 39 67 254 0 10 19 600 36 54 8 29 67 333 0 10 19 700 38 47 11 26 51 68 11 10 19 800 39 35 10 28 64 79 159 10 19 900 40 49 10 29 54 75 323 10 19 1000 40 48 7 26 45 89 472 10 19 1100 39 60 8 24 48 92 728 10 19 1200 39 70 5 20 59 121 804 10 19 1300 33 88 7 20 50 127 573 10 19 1400 29 96 5 18 37 194 279 10 19 1500 27 100 2 19 37 147 183 10 19 1600 27 100 3 15 32 106 69 10 19 1700 25 99 6 18 38 141 24 10 19 1800 31 93 4 17 40 119 1 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 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 19 500 34 40 99 85 23 42 62 292 0 0 8 10 19 600 34 40 100 84 22 38 64 289 0 0 7 10 19 700 35 41 100 86 16 34 56 294 0 0 9 10 19 800 35 42 100 85 18 32 52 292 0 0 8 10 19 900 36 42 100 86 20 33 49 292 0 0 7 10 19 1000 36 43 100 83 22 36 57 294 0 0 8 10 19 1100 38 43 97 80 24 43 68 293 0 0 8 10 19 1200 38 45 95 75 27 46 69 286 0 0 7 10 19 1300 37 45 94 75 31 52 71 284 0 0 8 10 19 1400 36 43 97 81 33 51 71 292 0 0 7 10 19 1500 35 42 98 83 26 44 61 293 0 0 9 10 19 1600 35 41 99 85 26 45 62 292 0 0 9 10 19 1700 34 40 100 87 29 47 70 296 0 0 7 10 19 1800 33 39 100 85 25 46 65 296 0 0 9 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 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 19 500 46 100 0 4 294 .01 .01 10 19 600 46 100 0 3 297 0 .01 10 19 700 46 100 0 3 294 .01 .02 10 19 800 47 100 0 0 301 .01 .03 10 19 900 48 100 0 3 279 .01 .04 10 19 1000 49 100 1 9 280 0 .04 10 19 1100 49 98 1 8 293 .02 .06 10 19 1200 50 96 2 9 287 0 .06 10 19 1300 50 94 3 13 306 0 .06 10 19 1400 50 94 5 11 311 0 .06 10 19 1500 48 99 4 11 303 0 .06 10 19 1600 47 97 6 13 312 .01 .07 10 19 1700 46 96 4 14 304 0 .07 10 19 1800 46 98 1 8 304 0 .07 10 19 1900 44 95 3 9 318 0 .07 10 19 2000 44 97 1 7 314 0 .07 10 19 2100 43 99 2 6 321 0 .07 10 19 2200 43 98 3 9 313 0 .07 10 19 2300 43 99 2 6 309 0 .07 10 20 0 43 99 2 12 310 0 .07 10 20 100 43 99 0 5 304 0 .07 10 20 200 41 99 0 4 330 0 .07 10 20 300 39 99 -0 0 344 0 .07 10 20 400 40 100 -0 0 345 0 .07 Total Prec. 3260' ------------------------------------------------------ .07 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 19 500 35 39 53 84 23 33 249 0 0 55 8 1019 10 19 600 39 38 23 83 22 37 283 0 0 55 4 1019 10 19 700 40 39 44 80 20 34 288 0 0 55 3 1019 10 19 800 47 42 44 70 21 32 204 0 0 55 24 1019 10 19 900 49 43 45 68 22 36 321 0 0 55 6 1019 10 19 1000 50 43 39 72 18 38 299 0 0 56 5 1019 10 19 1100 51 46 32 63 17 32 237 0 0 58 5 1019 10 19 1200 50 44 44 78 13 28 2 0 0 60 4 1019 10 19 1300 52 48 35 59 14 47 277 0 0 62 4 1019 10 19 1400 52 44 36 74 19 48 269 0 0 62 2 1018 10 19 1500 50 51 34 51 20 37 252 0 0 62 4 1018 10 19 1600 49 46 30 67 21 41 254 0 0 62 6 1019 10 19 1700 46 45 31 66 22 51 283 0 0 62 4 1019 10 19 1800 42 43 64 74 24 41 254 0 0 61 3 1019 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 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 19 500 35 42 16 29 46 229 10 19 600 37 26 14 29 49 228 10 19 700 38 53 12 26 43 230 10 19 800 45 53 11 25 42 234 10 19 900 47 53 11 26 43 236 10 19 1000 50 46 8 23 48 226 10 19 1100 52 35 3 22 48 234 10 19 1200 53 37 2 20 51 230 10 19 1300 50 35 0 19 49 236 10 19 1400 50 44 9 25 46 243 10 19 1500 47 35 12 27 51 231 10 19 1600 46 45 12 30 50 228 10 19 1700 43 41 14 32 52 229 10 19 1800 41 78 18 35 59 218 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 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