10-18-2020 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 17 500 39 32 7 11 18 351 0 0 6 10 17 600 40 28 5 10 17 353 0 0 6 10 17 700 41 26 7 11 17 350 0 0 5 10 17 800 42 25 8 11 19 353 0 0 6 10 17 900 42 28 6 10 17 357 0 0 6 10 17 1000 45 26 4 9 18 354 0 0 3 10 17 1100 43 27 5 9 16 355 0 0 5 10 17 1200 44 30 6 10 17 352 0 0 4 10 17 1300 42 31 6 10 16 352 0 0 4 10 17 1400 40 53 0 7 16 348 0 0 3 10 17 1500 38 68 0 4 10 314 .02 .02 4 10 17 1600 36 84 -0 2 8 289 .01 .03 4 10 17 1700 35 83 0 4 9 227 0 .03 4 10 17 1800 35 94 -0 4 10 205 .01 .04 4 10 17 1900 34 97 4 7 13 197 0 .04 2 10 17 2000 35 97 2 6 12 195 0 .04 2 10 17 2100 36 98 -0 4 9 203 0 .04 3 10 17 2200 37 98 -0 3 9 182 .01 .05 2 10 17 2300 39 98 -0 4 9 202 .01 .06 3 10 18 0 41 98 0 5 10 249 .04 .1 3 10 18 100 41 98 0 5 13 253 .06 .16 2 10 18 200 41 98 0 7 15 200 .04 .2 2 10 18 300 42 98 4 8 16 201 .02 .22 2 10 18 400 42 98 3 10 19 204 .06 .28 1 Total Prec. 5250' ------------------------------------------------------------ .28 Page 1 10-18-2020 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 45 0 4 8 212 37 37 0 5 13 293 36 45 0 4 12 260 38 32 0 3 10 273 39 62 0 3 8 169 40 62 0 3 7 118 39 57 0 4 10 163 40 61 1 5 12 172 38 63 0 4 8 164 38 63 0 4 8 146 38 64 2 5 9 170 37 66 0 5 8 167 35 71 1 7 18 179 35 72 4 11 21 170 33 69 6 13 22 183 32 69 5 18 28 167 31 69 8 18 27 164 31 68 10 16 28 156 31 68 6 15 29 180 31 66 3 12 29 197 30 68 7 17 29 164 30 63 13 18 25 162 31 63 13 20 26 164 31 63 15 23 32 173 Total Prec. 4210' ------------------------------------------------------------------------ 0 Page 1 10-18-2020 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 17 500 33 36 88 78 10 17 242 36 0 0 9 10 17 600 32 36 92 78 9 16 240 35 0 0 9 10 17 700 31 36 90 75 11 22 233 35 0 0 9 10 17 800 33 36 82 70 8 15 233 36 0 0 9 10 17 900 34 38 81 63 9 19 227 38 0 0 9 10 17 1000 34 39 79 61 9 14 240 40 0 0 9 10 17 1100 35 41 76 59 9 15 224 50 0 0 8 10 17 1200 36 43 75 52 8 19 225 58 0 0 7 10 17 1300 37 43 72 50 7 11 215 60 0 0 8 10 17 1400 36 41 71 53 6 11 238 53 0 0 7 10 17 1500 35 39 74 57 6 10 239 45 0 0 8 10 17 1600 35 38 72 55 5 9 265 46 0 0 8 10 17 1700 31 36 80 64 4 8 231 38 0 0 8 10 17 1800 31 34 82 72 3 8 288 35 0 0 8 10 17 1900 30 34 90 76 5 9 249 34 0 0 8 10 17 2000 29 33 100 83 8 10 227 34 0 0 8 10 17 2100 28 33 100 86 9 14 237 33 0 0 8 10 17 2200 28 32 100 86 6 9 235 33 0 0 8 10 17 2300 28 31 100 92 9 13 230 32 0 0 7 10 18 0 28 31 100 91 12 15 236 32 0 0 7 10 18 100 29 31 100 93 8 13 249 32 0 0 8 10 18 200 29 31 100 94 10 12 239 31 0 0 5 10 18 300 29 31 100 95 11 13 241 31 0 0 8 10 18 400 31 31 100 95 11 14 255 32 0 0 8 Total Prec. 5450' ------------------------------------------------------------------------ 0 Page 1 10-18-2020 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 17 500 55 -6999 0 0 3 270 0 0 0 3 10 17 600 56 -6999 0 0 4 275 0 0 0 2 10 17 700 49 -6999 15 0 4 120 0 0 0 2 10 17 800 50 -6999 43 0 4 90 0 0 0 2 10 17 900 53 -6999 76 1 4 81 0 0 0 3 10 17 1000 57 -6999 93 0 5 125 0 0 0 6 10 17 1100 60 -6999 52 0 6 145 0 0 0 6 10 17 1200 63 -6999 126 2 6 87 0 0 0 4 10 17 1300 64 -6999 478 2 6 280 0 0 0 6 10 17 1400 63 -6999 320 2 6 285 0 0 0 5 10 17 1500 61 -6999 40 2 5 279 0 0 0 6 10 17 1600 59 -6999 37 1 4 296 0 0 0 5 10 17 1700 57 -6999 2 0 3 277 0 0 0 6 10 17 1800 55 -6999 0 0 3 303 0 0 0 6 10 17 1900 54 -6999 0 0 6 71 0 0 0 4 10 17 2000 53 -6999 0 0 4 79 0 0 0 4 10 17 2100 50 -6999 0 0 0 0 0 0 0 5 10 17 2200 49 -6999 0 0 2 340 0 0 0 4 10 17 2300 49 -6999 0 0 0 0 0 0 0 4 10 18 0 48 -6999 0 0 0 0 0 0 0 4 10 18 100 46 -6999 0 0 2 201 0 0 0 5 10 18 200 44 -6999 0 0 2 43 .02 .02 0 3 10 18 300 44 -6999 0 0 0 0 .03 .05 0 5 10 18 400 44 -6999 0 0 0 0 0 .05 0 4 Total Prec. 2170' ------------------------------------------------------------ .05 Page 1 10-18-2020 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 17 500 38 2 16 28 279 10 17 600 37 3 19 33 276 10 17 700 37 8 21 34 279 10 17 800 37 9 21 33 276 10 17 900 36 5 19 30 282 10 17 1000 36 5 20 33 276 10 17 1100 36 7 21 33 273 10 17 1200 36 2 18 29 287 10 17 1300 37 1 16 30 294 10 17 1400 36 1 12 30 291 10 17 1500 36 0 21 33 285 10 17 1600 36 6 21 31 278 10 17 1700 35 7 23 38 272 10 17 1800 35 6 14 22 272 10 17 1900 35 7 12 18 273 10 17 2000 34 2 13 23 279 10 17 2100 34 0 4 14 280 10 17 2200 33 0 3 9 259 10 17 2300 34 0 4 13 283 10 18 0 34 0 4 16 294 10 18 100 33 0 4 23 281 10 18 200 33 0 10 28 285 10 18 300 33 0 4 14 269 10 18 400 35 0 5 16 271 Page 1 10-18-2020 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 17 500 42 89 0 0 -0 0 1016 10 17 600 41 92 0 0 0 0 1017 10 17 700 41 93 0 0 0 0 1017 10 17 800 41 94 0 0 -0 1 1017 10 17 900 42 94 0 0 0 1 1018 10 17 1000 43 86 0 0 0 0 1018 10 17 1100 43 90 0 0 -0 0 1018 10 17 1200 44 85 0 0 -0 -0 1018 10 17 1300 46 79 0 0 -0 -1 1018 10 17 1400 43 84 0 0 -0 0 1018 10 17 1500 43 87 0 0 -0 0 1018 10 17 1600 42 77 0 0 0 0 1018 10 17 1700 40 86 0 0 0 0 1019 10 17 1800 40 89 0 0 0 0 1018 10 17 1900 40 92 0 0 0 0 1018 10 17 2000 39 93 0 0 -0 0 1018 10 17 2100 39 94 0 0 -0 0 1017 10 17 2200 39 94 0 0 0 0 1016 10 17 2300 39 94 .01 .01 0 0 1017 10 18 0 38 94 .01 .02 0 0 1016 10 18 100 38 94 .04 .06 -0 0 1017 10 18 200 38 93 .03 .09 -0 0 1016 10 18 300 37 94 .14 .23 0 0 1015 10 18 400 38 94 .02 .25 0 0 1014 Total Prec. 3950' ------------------------------------ .25 Page 1 10-18-2020 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 10-18-2020 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 17 500 38 96 5 18 290 18 138 10 17 600 37 97 4 18 292 18 138 10 17 700 37 95 4 16 291 17 144 10 17 800 37 0 4 18 288 16 149 10 17 900 37 -0 4 16 293 17 152 10 17 1000 38 100 5 18 292 18 168 10 17 1100 39 94 3 13 291 18 182 10 17 1200 40 92 3 15 278 18 178 10 17 1300 41 91 3 14 260 17 153 10 17 1400 38 94 4 15 300 18 153 10 17 1500 38 90 3 15 251 18 164 10 17 1600 37 91 3 11 227 18 171 10 17 1700 36 94 4 17 277 18 156 10 17 1800 35 93 5 15 298 18 161 10 17 1900 35 94 3 13 302 17 155 10 17 2000 35 96 3 11 296 18 142 10 17 2100 35 100 2 9 274 18 139 10 17 2200 35 0 1 7 291 17 137 10 17 2300 35 0 2 14 284 19 140 10 18 0 34 0 4 19 293 18 119 10 18 100 34 0 3 16 276 17 148 10 18 200 34 100 5 21 291 17 160 10 18 300 33 0 1 12 236 18 207 10 18 400 35 0 1 12 351 16 216 Page 1 10-18-2020 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 17 500 49 73 0 0 0 2 1015 10 17 600 48 76 0 0 0 2 1016 10 17 700 47 75 0 0 0 2 1016 10 17 800 48 73 0 0 0 3 1016 10 17 900 49 69 0 0 0 4 1017 10 17 1000 50 62 0 0 1 2 1017 10 17 1100 53 55 0 0 2 2 1017 10 17 1200 54 58 0 0 0 1 1017 10 17 1300 53 55 0 0 1 3 1017 10 17 1400 51 58 0 0 4 4 1017 10 17 1500 51 58 0 0 0 1 1017 10 17 1600 49 61 0 0 1 3 1017 10 17 1700 47 70 0 0 2 2 1018 10 17 1800 45 74 0 0 1 2 1018 10 17 1900 44 77 0 0 0 2 1018 10 17 2000 44 81 0 0 0 1 1017 10 17 2100 44 84 0 0 0 1 1017 10 17 2200 44 82 0 0 0 2 1016 10 17 2300 43 86 .01 .01 0 3 1017 10 18 0 43 90 .01 .02 0 3 1016 10 18 100 42 92 .02 .04 0 2 1016 10 18 200 42 92 .04 .08 0 2 1016 10 18 300 41 92 .1 .18 0 2 1015 10 18 400 41 93 .01 .19 0 2 1014 Total Prec. 2700' ------------------------------------ .19 Page 1 10-18-2020 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 17 500 34 89 14 20 26 249 10 17 600 33 89 13 19 25 274 10 17 700 33 86 15 21 27 268 10 17 800 33 83 10 17 25 271 10 17 900 34 85 4 9 18 266 10 17 1000 35 91 2 7 14 254 10 17 1100 36 85 5 10 19 228 10 17 1200 39 75 7 12 25 230 10 17 1300 40 73 4 12 24 227 10 17 1400 38 81 6 12 21 231 10 17 1500 38 81 7 14 25 235 10 17 1600 34 91 14 20 26 250 10 17 1700 32 92 8 15 25 243 10 17 1800 32 89 5 14 25 268 10 17 1900 31 90 14 22 28 281 10 17 2000 31 94 10 18 26 271 10 17 2100 30 96 8 12 16 256 10 17 2200 30 97 8 14 21 241 10 17 2300 31 97 8 13 20 240 10 18 0 30 97 10 21 32 233 10 18 100 31 97 11 18 27 240 10 18 200 30 97 13 21 32 237 10 18 300 31 97 17 29 38 231 10 18 400 32 98 22 31 40 241 Page 1 10-18-2020 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 17 500 52 67 0 0 4 291 0 0 2 -0 10 17 600 52 67 0 0 3 285 0 0 2 -0 10 17 700 50 69 0 0 1 192 0 0 2 -0 10 17 800 51 69 0 0 3 171 0 0 1 -0 10 17 900 55 60 0 0 5 297 0 0 1 -0 10 17 1000 56 55 0 1 6 317 0 0 0 -0 10 17 1100 57 47 0 1 4 324 0 0 1 -0 10 17 1200 58 46 0 1 5 334 0 0 0 -0 10 17 1300 58 48 0 1 5 324 0 0 0 -0 10 17 1400 58 47 0 1 6 326 0 0 0 -0 10 17 1500 56 49 0 1 5 332 0 0 0 -0 10 17 1600 56 51 0 0 4 303 0 0 0 -0 10 17 1700 53 56 0 1 4 296 0 0 0 -0 10 17 1800 52 57 0 0 4 288 0 0 0 -0 10 17 1900 51 56 0 0 3 301 0 0 1 -0 10 17 2000 51 63 0 0 3 324 0 0 0 -0 10 17 2100 50 64 0 0 3 273 0 0 1 -0 10 17 2200 49 66 0 0 2 289 0 0 0 -0 10 17 2300 48 78 0 0 2 306 0 0 0 -0 10 18 0 47 80 0 0 1 282 0 0 0 -0 10 18 100 46 90 0 0 2 332 .01 .01 0 -0 10 18 200 45 96 0 0 2 21 .13 .14 0 -0 10 18 300 43 96 0 0 3 8 .08 .22 0 -0 10 18 400 43 93 0 1 4 331 .01 .23 0 -0 Total Prec. 1930' ------------------------------------------------------------ .23 Page 1 10-18-2020 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 17 500 45 52 63 74 5 5 197 0 0 -27 -0 2 10 17 600 44 52 58 70 9 9 269 0 0 -24 -0 1 10 17 700 44 52 58 65 8 8 281 0 0 -22 -0 1 10 17 800 45 55 60 54 3 3 350 0 0 -20 -1 2 10 17 900 45 61 58 41 3 3 254 0 0 -19 -2 3 10 17 1000 49 63 52 37 3 3 63 0 0 -20 -2 2 10 17 1100 48 64 50 33 5 5 270 0 0 -21 -1 1 10 17 1200 50 66 44 29 8 8 247 0 0 -23 -2 3 10 17 1300 51 64 44 32 3 3 190 0 0 -24 -1 1 10 17 1400 50 64 43 31 6 6 278 0 0 -23 -1 2 10 17 1500 49 64 42 28 3 3 266 0 0 -22 -1 3 10 17 1600 48 63 39 30 15 15 289 0 0 -21 -1 3 10 17 1700 43 61 48 31 3 3 306 0 0 -19 -1 3 10 17 1800 41 59 61 32 5 5 223 0 0 -19 -0 3 10 17 1900 41 57 62 39 10 10 269 0 0 -19 -0 2 10 17 2000 40 56 68 41 5 5 243 0 0 -17 -0 2 10 17 2100 40 54 68 47 7 7 263 0 0 -17 -0 3 10 17 2200 40 53 70 52 2 2 131 0 0 -20 -0 3 10 17 2300 38 50 83 63 6 6 35 0 0 -22 -0 3 10 18 0 38 51 78 64 1 1 237 0 0 -22 -0 3 10 18 100 37 50 98 67 5 5 91 0 0 -23 -0 2 10 18 200 38 49 97 80 4 4 291 0 0 -25 -0 3 10 18 300 37 48 100 87 5 5 90 .04 .04 -27 -0 4 10 18 400 36 47 100 95 0 0 0 .02 .06 -29 -0 3 Total Prec. 1190 ------------------------------------------------------------------ .06 Page 1 10-18-2020 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 17 500 12.6 38 213 0 10 17 600 12.6 37 185 0 10 17 700 12.6 37 189 2 10 17 800 12.6 37 201 9 10 17 900 12.7 37 204 10 10 17 1000 12.8 38 223 11 10 17 1100 12.9 38 226 11 10 17 1200 13.3 39 183 11 10 17 1300 13.2 38 224 11 10 17 1400 13.3 38 232 11 10 17 1500 13.2 38 217 11 10 17 1600 13.1 37 230 10 10 17 1700 12.8 37 229 6 10 17 1800 12.8 37 220 0 10 17 1900 12.7 37 236 0 10 17 2000 12.7 37 204 0 10 17 2100 12.7 37 238 0 10 17 2200 12.7 37 223 0 10 17 2300 12.7 36 230 0 10 18 0 12.7 35 211 0 10 18 100 12.7 34 237 0 10 18 200 12.7 35 197 0 10 18 300 12.7 35 198 0 10 18 400 12.7 37 218 0 Page 1 10-18-2020 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 17 500 37 -39 45 99 100 0 0 0 0 0 50 -2 41 15 -7999 10 17 600 36 -39 45 99 100 0 0 0 0 0 50 -2 41 18 -7999 10 17 700 36 -39 44 96 100 0 0 0 0 0 50 -2 40 18 -7999 10 17 800 36 -39 44 90 100 0 0 0 0 0 50 -1 39 19 -7999 10 17 900 35 39 46 83 100 0 0 0 0 0 49 -2 40 23 -7999 10 17 1000 33 39 46 83 100 0 0 0 0 0 49 -1 41 21 -7999 10 17 1100 34 40 48 76 100 0 0 0 0 0 49 -2 40 21 -7999 10 17 1200 35 40 48 75 100 0 0 0 0 0 49 -1 39 17 -7999 10 17 1300 35 42 49 72 100 0 0 0 0 0 49 -0 40 20 540 10 17 1400 34 40 48 77 100 0 0 0 0 0 48 -1 41 16 -7999 10 17 1500 34 40 47 78 100 0 0 0 0 0 49 -1 41 16 -7999 10 17 1600 33 39 45 85 100 0 0 0 0 0 50 -1 41 21 -7999 10 17 1700 32 38 44 91 100 0 0 0 0 0 49 -1 41 17 -7999 10 17 1800 32 38 43 94 100 0 0 0 0 0 50 -1 41 22 -7999 10 17 1900 32 38 43 95 100 0 0 0 0 0 50 -2 40 17 -7999 10 17 2000 32 38 43 96 100 0 0 0 0 0 50 -2 44 21 -7999 10 17 2100 32 -39 43 97 100 0 0 0 0 0 49 -2 44 21 -7999 10 17 2200 31 37 42 97 100 0 0 0 .01 .01 49 -2 41 16 -7999 10 17 2300 31 37 42 97 100 0 0 0 0 .01 49 -2 40 18 -7999 10 18 0 30 36 41 97 100 0 0 0 0 .01 49 -0 41 19 -7999 10 18 100 30 36 41 97 100 0 0 0 .01 .02 49 -0 40 21 -7999 10 18 200 31 -39 41 98 100 0 0 0 .05 .07 49 -1 39 22 -7999 10 18 300 31 -39 41 98 100 0 0 0 .05 .12 49 -1 40 21 -7999 10 18 400 35 -39 41 99 100 0 0 0 .01 .13 49 -1 41 21 -7999 Total Prec. 3100' ------------------------------------------------------------------------ .13 Page 1 10-18-2020 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 17 500 10 17 600 10 17 700 10 17 800 10 17 900 10 17 1000 10 17 1100 10 17 1200 10 17 1300 10 17 1400 10 17 1500 10 17 1600 10 17 1700 10 17 1800 10 17 1900 10 17 2000 10 17 2100 10 17 2200 10 17 2300 10 18 0 10 18 100 10 18 200 10 18 300 10 18 400 Page 1 10-18-2020 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 17 500 43 42 45 100 15 25 254 0 0 0 -0 1019 10 17 600 41 41 45 100 13 22 245 0 0 0 -0 1020 10 17 700 42 41 44 100 12 19 245 0 0 0 -1 1020 10 17 800 41 41 44 100 12 19 245 0 0 0 -1 1020 10 17 900 41 41 45 98 19 29 252 0 0 0 -0 1021 10 17 1000 42 42 47 85 19 28 262 0 0 0 -1 1021 10 17 1100 42 44 49 70 19 29 268 0 0 0 -2 1021 10 17 1200 43 45 48 83 14 24 260 0 0 0 -2 1021 10 17 1300 43 45 49 76 10 18 233 0 0 0 -3 1021 10 17 1400 42 44 48 82 16 24 230 0 0 0 -0 1021 10 17 1500 42 45 47 76 15 23 230 0 0 0 -1 1021 10 17 1600 41 42 46 83 17 24 226 0 0 0 -1 1021 10 17 1700 41 41 45 93 13 21 251 0 0 0 -2 1021 10 17 1800 41 40 43 96 9 16 266 0 0 0 -1 1021 10 17 1900 41 41 43 98 8 16 249 0 0 0 -1 1021 10 17 2000 40 40 43 98 7 13 252 .01 .01 0 -0 1020 10 17 2100 40 39 43 98 7 15 237 0 .01 0 -0 1021 10 17 2200 40 39 43 99 6 14 217 0 .01 0 -0 1020 10 17 2300 40 40 42 99 8 16 239 0 .01 0 -0 1020 10 18 0 40 39 42 95 15 32 250 0 .01 0 -0 1019 10 18 100 39 38 41 98 13 26 240 .01 .02 0 -0 1019 10 18 200 39 37 41 99 11 22 270 .04 .06 0 -0 1019 10 18 300 39 37 41 100 4 9 232 .06 .12 0 -0 1018 10 18 400 39 40 41 100 2 6 186 .01 .13 0 -0 1017 Total Prec. 3010' ------------------------------------------------------------------ .13 Page 1 10-18-2020 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 10-18-2020 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 17 500 41 10 17 600 40 10 17 700 39 10 17 800 39 10 17 900 40 10 17 1000 45 10 17 1100 46 10 17 1200 47 10 17 1300 49 10 17 1400 47 10 17 1500 48 10 17 1600 47 10 17 1700 43 10 17 1800 42 10 17 1900 39 10 17 2000 40 10 17 2100 39 10 17 2200 39 10 17 2300 38 10 18 0 39 10 18 100 39 10 18 200 38 10 18 300 37 10 18 400 36 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 10-18-2020 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 17 500 33 38 77 91 15 25 40 272 0 0 30 1 10 17 600 33 36 67 93 16 24 31 278 0 0 24 0 10 17 700 33 37 62 96 17 24 32 276 0 0 30 2 10 17 800 34 36 58 95 18 26 36 275 0 0 27 0 10 17 900 36 38 43 96 14 27 37 275 0 0 32 0 10 17 1000 37 39 64 94 18 27 37 274 0 0 38 1 10 17 1100 37 39 60 94 13 24 35 266 0 0 33 2 10 17 1200 37 42 58 88 12 22 34 272 0 0 40 0 10 17 1300 37 42 62 89 9 19 31 268 0 0 40 1 10 17 1400 39 41 75 94 8 21 37 267 0 0 41 1 10 17 1500 37 40 71 92 7 18 30 264 0 0 34 1 10 17 1600 35 40 56 88 8 18 28 273 0 0 33 1 10 17 1700 33 39 90 94 6 15 28 272 0 0 31 0 10 17 1800 31 38 95 91 6 16 26 273 0 0 37 1 10 17 1900 31 38 100 94 4 14 24 265 0 0 38 1 10 17 2000 30 37 100 96 6 14 23 269 0 0 36 0 10 17 2100 30 37 100 94 5 13 16 269 0 0 38 0 10 17 2200 33 37 100 93 9 19 34 268 0 0 33 1 10 17 2300 36 37 100 92 9 25 40 257 0 0 34 0 10 18 0 36 37 100 93 21 32 48 274 0 0 25 1 10 18 100 36 38 100 94 14 31 51 265 0 0 31 2 10 18 200 38 38 100 95 18 31 47 269 0 0 33 1 10 18 300 37 38 100 95 16 33 52 265 0 0 37 1 10 18 400 39 40 100 95 15 29 44 270 0 0 35 2 Total Prec. 4535' ------------------------------------------------------------------------ 0 Page 1 10-18-2020 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 17 500 31 49 0 10 17 600 31 49 0 10 17 700 31 48 0 10 17 800 33 48 0 10 17 900 34 48 0 10 17 1000 38 47 -0 10 17 1100 38 47 -0 10 17 1200 37 46 -0 10 17 1300 37 47 -1 10 17 1400 37 47 -1 10 17 1500 35 47 -1 10 17 1600 34 47 -1 10 17 1700 33 47 -0 10 17 1800 33 47 -0 10 17 1900 33 47 -0 10 17 2000 32 47 -0 10 17 2100 32 48 -0 10 17 2200 32 47 -0 10 17 2300 33 47 -0 10 18 0 32 48 -0 10 18 100 34 48 -0 10 18 200 38 47 -0 Page 1 10-18-2020 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 17 500 34 35 97 97 11 18 249 36 .01 .01 0 10 17 600 32 34 98 97 11 18 253 35 0 .01 2 10 17 700 32 34 96 97 14 25 272 35 0 .01 2 10 17 800 31 34 98 97 11 17 247 35 0 .01 2 10 17 900 31 34 98 97 12 20 247 36 0 .01 3 10 17 1000 32 34 97 97 13 18 235 38 0 .01 2 10 17 1100 32 35 96 96 13 22 235 38 0 .01 2 10 17 1200 33 35 97 96 17 25 206 38 .02 .03 2 10 17 1300 34 35 96 96 16 28 208 38 0 .03 1 10 17 1400 34 36 97 96 15 26 211 38 0 .03 2 10 17 1500 34 36 97 96 16 26 212 38 0 .03 1 10 17 1500 34 35 97 96 11 22 219 37 0 .03 2 10 17 1600 33 34 97 97 11 18 211 35 0 .03 2 10 17 1700 32 34 98 97 12 24 210 34 0 .03 2 10 17 1800 32 33 98 97 15 21 211 34 .02 .05 2 10 17 1900 31 33 98 97 16 22 210 33 0 .05 2 10 17 2000 31 33 98 97 12 18 208 33 0 .05 2 10 17 2100 31 33 98 97 15 23 235 33 0 .05 2 10 17 2200 31 33 98 97 18 35 213 33 0 .05 2 10 17 2300 31 33 98 97 28 40 205 33 .01 .06 2 10 18 0 31 33 98 97 24 38 204 33 0 .06 3 10 18 100 32 33 98 97 17 27 213 33 .03 .09 2 10 18 200 34 32 97 97 23 34 230 33 .11 .2 2 10 18 300 35 32 97 97 21 34 243 32 .03 .23 2 10 18 400 36 97 19 29 232 Total Prec. 5500' ------------------------------------------------------------------------ .23 Page 1 10-18-2020 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 17 500 37 40 36 28 19 36 0 17 10 17 600 38 40 25 20 20 35 0 18 10 17 700 40 41 19 17 18 35 62 19 10 17 800 41 43 15 12 19 33 191 18 10 17 900 42 44 14 14 16 31 408 17 10 17 1000 43 45 15 15 16 33 503 17 10 17 1100 42 46 22 19 15 33 690 17 10 17 1200 41 44 26 22 15 35 549 17 10 17 1300 41 44 28 27 12 23 426 18 10 17 1400 39 42 45 34 16 28 434 16 10 17 1500 37 39 45 40 19 40 294 14 10 17 1600 36 38 47 43 18 30 140 12 10 17 1700 33 35 70 63 17 31 5 5 10 17 1800 32 34 92 81 12 26 0 5 10 17 1900 37 36 94 84 14 27 0 5 10 17 2000 34 32 94 94 10 20 0 7 10 17 2100 38 34 92 91 12 28 0 3 10 17 2200 41 43 89 82 14 31 0 3 10 17 2300 40 42 98 89 16 40 0 3 10 18 0 39 41 100 90 17 46 0 4 10 18 100 40 41 100 92 17 35 0 3 10 18 200 40 41 100 93 15 39 0 3 10 18 300 39 40 100 94 14 34 0 2 10 18 400 40 41 100 93 18 38 0 4 Page 1 10-18-2020 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 17 500 35 100 13 18 271 0 0 -0 8 0 10 17 600 34 100 13 20 270 0 0 -0 11 0 10 17 700 34 100 7 17 272 0 0 -0 10 7 10 17 800 34 100 3 13 271 0 0 -0 11 50 10 17 900 35 100 6 13 272 0 0 -0 11 136 10 17 1000 35 100 5 11 274 0 0 -0 10 143 10 17 1100 36 100 6 14 268 0 0 0 10 178 10 17 1200 38 100 7 13 267 0 0 -0 9 574 10 17 1300 37 100 6 13 274 0 0 0 10 405 10 17 1400 37 100 1 8 275 0 0 0 8 287 10 17 1500 39 90 0 5 48 0 0 -0 9 407 10 17 1600 36 94 0 6 293 0 0 -0 10 87 10 17 1700 34 97 0 5 313 0 0 -0 11 8 10 17 1800 33 100 1 9 296 0 0 0 12 0 10 17 1900 33 100 3 8 291 0 0 0 13 0 10 17 2000 33 100 4 8 276 0 0 -0 12 0 10 17 2100 33 100 5 11 284 0 0 -0 13 0 10 17 2200 33 100 7 13 288 .01 .01 -0 12 0 10 17 2300 33 100 10 13 282 0 .01 -0 13 0 10 18 0 33 100 11 17 280 0 .01 -0 12 0 10 18 100 33 100 9 16 274 0 .01 -0 10 0 10 18 200 33 100 5 12 278 0 .01 -0 9 0 10 18 300 36 100 5 13 283 0 .01 -0 6 0 10 18 400 37 100 9 16 280 0 .01 -0 10 0 Total Prec. 5400' ------------------------------------------------------ .01 Page 1 10-18-2020 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 17 500 42 14 12 21 33 32 0 10 17 600 41 17 10 24 56 356 0 10 17 700 41 18 16 27 36 359 8 10 17 800 42 24 10 26 49 31 146 10 17 900 42 33 9 23 37 358 309 10 17 1000 41 31 9 22 44 29 467 10 17 1100 41 34 6 18 40 75 612 10 17 1200 39 55 7 20 52 89 766 10 17 1300 35 85 7 19 45 95 428 10 17 1400 37 84 7 20 36 89 256 10 17 1500 34 96 3 15 32 95 216 10 17 1600 33 94 6 14 44 88 126 10 17 1700 34 91 4 16 42 83 24 10 17 1800 37 83 6 17 33 109 1 10 17 1900 37 82 3 17 47 95 0 10 17 2000 37 84 8 20 32 80 0 10 17 2100 35 92 6 19 51 72 0 10 17 2200 36 78 7 18 42 62 0 10 17 2300 32 100 8 21 46 109 0 10 18 0 32 100 4 18 42 173 0 10 18 100 31 99 4 22 45 176 0 10 18 200 31 100 3 15 42 180 0 10 18 300 30 100 5 25 48 219 0 10 18 400 30 100 9 28 49 216 0 Page 1 10-18-2020 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 17 500 32 37 99 93 20 36 49 290 0 0 7 10 17 600 32 37 100 93 23 31 40 291 0 0 7 10 17 700 32 36 100 96 17 27 34 290 0 0 8 10 17 800 33 37 100 97 18 25 33 289 0 0 9 10 17 900 35 39 100 95 18 28 36 291 0 0 9 10 17 1000 36 42 99 85 18 27 42 291 0 0 9 10 17 1100 38 43 93 76 16 25 35 287 0 0 8 10 17 1200 39 45 88 63 13 26 33 289 0 0 9 10 17 1300 40 46 81 62 19 27 38 290 0 0 7 10 17 1400 38 45 79 56 21 31 43 292 0 0 8 10 17 1500 36 44 80 57 18 30 42 292 0 0 10 10 17 1600 35 42 80 63 20 29 41 291 0 0 9 10 17 1700 33 41 85 67 18 28 40 292 0 0 10 10 17 1800 33 40 89 72 17 26 39 289 0 0 8 10 17 1900 33 39 80 63 14 25 40 286 0 0 8 10 17 2000 33 40 87 65 16 28 44 289 0 0 11 10 17 2100 32 39 87 69 13 24 37 292 0 0 9 10 17 2200 32 40 86 66 13 26 42 285 0 0 9 10 17 2300 33 40 92 74 16 31 47 287 0 0 8 10 18 0 34 39 95 79 25 43 63 288 0 0 9 10 18 100 32 38 98 83 33 49 63 288 0 0 9 10 18 200 34 37 100 97 25 39 56 288 0 0 9 10 18 300 35 39 100 100 24 34 49 291 0 0 7 10 18 400 39 40 100 100 30 44 67 290 .01 .01 8 Total Prec. 5800' ------------------------------------------------------------------------ .01 Page 1 10-18-2020 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 17 500 43 100 0 0 335 0 0 10 17 600 44 100 0 0 327 0 0 10 17 700 42 100 -0 0 310 0 0 10 17 800 45 100 0 2 62 0 0 10 17 900 47 100 0 0 169 0 0 10 17 1000 50 90 0 1 207 0 0 10 17 1100 51 80 0 2 231 0 0 10 17 1200 52 69 0 7 250 0 0 10 17 1300 54 62 1 6 256 0 0 10 17 1400 55 61 2 10 283 0 0 10 17 1500 54 65 0 5 273 0 0 10 17 1600 53 68 0 4 288 0 0 10 17 1700 51 80 -0 0 263 0 0 10 17 1800 48 86 -0 0 279 0 0 10 17 1900 47 87 -0 0 313 0 0 10 17 2000 46 89 -0 0 353 0 0 10 17 2100 45 92 -0 0 25 0 0 10 17 2200 46 88 -0 0 74 0 0 10 17 2300 45 82 -0 0 64 0 0 10 18 0 45 74 -0 0 353 0 0 10 18 100 45 71 2 12 328 0 0 10 18 200 44 82 0 0 150 0 0 10 18 300 43 99 0 3 96 0 0 10 18 400 45 100 0 3 106 .01 .01 Total Prec. 3260' ------------------------------------------------------ .01 Page 1 10-18-2020 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 10-18-2020 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 10-18-2020 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 17 500 50 48 7 36 22 38 315 0 0 59 10 1018 10 17 600 51 51 3 8 22 40 301 0 0 60 9 1018 10 17 700 50 51 5 9 20 36 335 0 0 62 10 1019 10 17 800 51 52 5 9 17 34 351 0 0 63 10 1019 10 17 900 52 53 5 10 18 37 292 0 0 64 8 1020 10 17 1000 54 47 7 64 14 27 327 0 0 63 6 1021 10 17 1100 47 48 52 62 10 24 239 0 0 62 5 1021 10 17 1200 53 49 30 49 7 21 80 0 0 61 8 1021 10 17 1300 54 49 15 48 10 24 234 0 0 61 7 1021 10 17 1400 54 53 35 17 13 24 266 0 0 63 8 1020 10 17 1500 52 56 42 10 11 21 271 0 0 63 6 1020 10 17 1600 49 52 64 43 14 22 292 0 0 63 5 1020 10 17 1700 49 50 64 40 12 25 267 0 0 62 6 1020 10 17 1800 48 47 68 42 14 28 300 0 0 60 5 1020 10 17 1900 48 46 68 37 12 25 262 0 0 58 9 1020 10 17 2000 44 45 75 57 16 27 270 0 0 54 5 1020 10 17 2100 44 47 79 79 17 31 291 0 0 51 5 1019 10 17 2200 49 47 65 78 19 33 311 0 0 50 4 1019 10 17 2300 46 47 73 72 15 26 321 0 0 48 7 1019 10 18 0 44 47 79 79 15 30 261 0 0 47 5 1019 10 18 100 43 45 82 80 18 29 297 0 0 46 2 1019 10 18 200 42 47 84 82 19 32 284 0 0 46 3 1019 10 18 300 42 47 85 84 17 29 286 0 0 46 5 1019 10 18 400 40 46 89 90 18 29 267 0 0 47 4 1019 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 10-18-2020 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 17 500 47 7 14 27 43 227 10 17 600 47 3 10 25 46 242 10 17 700 47 4 10 25 43 234 10 17 800 50 5 10 25 41 232 10 17 900 50 5 11 23 40 234 10 17 1000 52 4 12 23 43 240 10 17 1100 53 8 7 18 35 249 10 17 1200 52 7 4 15 31 246 10 17 1300 52 22 9 19 32 254 10 17 1400 51 41 6 21 35 250 10 17 1500 49 68 9 21 31 250 10 17 1600 46 80 12 24 36 250 10 17 1700 46 79 10 24 39 247 10 17 1800 45 82 7 25 40 248 10 17 1900 45 84 9 25 44 252 10 17 2000 42 95 13 27 41 247 10 17 2100 41 98 15 27 37 245 10 17 2200 45 87 14 27 39 247 10 17 2300 43 89 13 26 40 243 10 18 0 41 98 11 29 43 239 10 18 100 40 100 14 31 44 231 10 18 200 40 100 14 32 46 224 10 18 300 40 100 15 30 49 223 10 18 400 39 100 16 29 45 224 Page 1 10-18-2020 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