8-4-2020 Northwest Avalanche Center Hurricane Ridge, Olympic National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total Total PST F % Min Avg Max Dir Prec. Prec. Snow 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' ------------------------------------------------------------------ 8 3 500 49 96 1 4 6 196 0 0 4 8 3 600 49 97 -0 2 6 190 0 0 10 8 3 700 50 95 -0 0 3 186 0 0 11 8 3 800 54 85 -0 0 5 176 0 0 9 8 3 900 55 80 -0 0 4 188 0 0 5 8 3 1000 53 92 -0 0 5 169 0 0 8 8 3 1100 52 97 -0 0 0 26 0 0 11 8 3 1200 52 96 -0 0 2 10 0 0 7 8 3 1300 52 96 -0 0 4 23 0 0 8 8 3 1400 51 98 -0 0 6 26 0 0 9 8 3 1500 52 97 -0 0 3 35 0 0 6 8 3 1600 52 96 -0 0 5 28 0 0 10 8 3 1700 52 98 -0 0 3 28 0 0 3 8 3 1800 52 97 -0 0 0 28 0 0 5 8 3 1900 52 94 -0 0 0 48 0 0 6 8 3 2000 52 94 -0 0 0 71 0 0 9 8 3 2100 51 92 -0 0 4 90 0 0 7 8 3 2200 51 86 0 4 8 98 0 0 5 8 3 2300 50 86 0 4 6 95 0 0 6 8 4 0 49 90 -0 2 5 76 0 0 7 8 4 100 50 85 -0 2 6 92 0 0 7 8 4 200 50 87 0 4 6 114 0 0 7 8 4 300 50 85 -0 0 3 107 0 0 6 8 4 400 50 84 -0 0 3 109 0 0 8 Total Prec. 5250' ------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Mt Baker Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 5020' 4210' 5020' 4210' 5020' 5020' 5020' 5020' 4210' 4210' 4210' 4210' ------------------------------------------------------------------------------------ 8 3 500 3 53 48 92 0 3 6 291 0 0 -0 0 8 3 600 3 53 46 89 0 2 8 277 0 0 -0 1 8 3 700 3 54 49 88 0 2 6 169 0 0 -0 1 8 3 800 4 54 52 89 0 1 4 65 0 0 -0 0 8 3 900 3 55 53 87 0 1 5 118 0 0 -0 0 8 3 1000 3 56 48 83 0 3 6 94 0 0 -0 0 8 3 1100 3 59 45 79 0 3 6 87 0 0 -0 -1 8 3 1200 3 58 45 78 0 2 5 179 0 0 -0 -0 8 3 1300 11 61 43 75 0 2 5 204 0 0 -0 -2 8 3 1400 12 62 42 73 0 2 7 189 0 0 -0 -2 8 3 1500 15 61 39 72 0 1 6 190 0 0 -0 0 8 3 1600 13 64 41 64 0 2 6 115 0 0 -0 0 8 3 1700 14 63 40 66 0 2 5 129 0 0 -0 -3 8 3 1800 14 60 40 70 0 2 6 77 0 0 -0 0 8 3 1900 2 57 47 83 0 2 7 79 0 0 -0 1 8 3 2000 13 55 52 95 3 6 9 98 0 0 0 1 8 3 2100 13 54 55 97 1 4 9 88 0 0 0 1 8 3 2200 13 54 55 97 1 3 7 69 0 0 0 2 8 3 2300 10 53 55 99 1 3 6 60 0 0 0 1 8 4 0 10 53 54 96 1 4 8 34 0 0 0 1 8 4 100 13 52 50 95 3 4 6 10 0 0 0 0 8 4 200 13 51 42 93 1 3 6 19 0 0 0 2 8 4 300 13 52 41 86 3 5 7 24 0 0 0 4 8 4 400 13 51 37 85 5 7 9 34 0 0 -0 0 Total Prec. 4210' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 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' ------------------------------------------------------------------------------ Total Prec. 5450' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Freestone Inn, Mazama, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Solar Wind Wind Wind Hour Total 24 Hr Total PST F % W/m2 Avg Max Dir Prec. Prec. Snow Snow 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' ------------------------------------------------------------------------ 8 3 500 69 47 6 3 6 297 0 0 -14 4 8 3 600 70 45 42 2 5 279 0 0 -12 3 8 3 700 72 40 45 2 5 293 0 0 -25 4 8 3 800 73 37 211 2 6 295 0 0 -34 2 8 3 900 76 32 283 2 8 291 0 0 -60 4 8 3 1000 78 29 217 2 6 282 0 0 -64 4 8 3 1100 81 27 978 2 6 271 0 0 -71 4 8 3 1200 84 25 997 3 6 257 0 0 -78 -0 8 3 1300 85 23 970 2 5 299 0 0 -76 1 8 3 1400 86 22 887 2 6 312 0 0 -73 2 8 3 1500 86 22 136 2 6 300 0 0 -77 7 8 3 1600 83 23 67 2 5 294 0 0 -79 2 8 3 1700 82 25 53 2 6 286 0 0 -81 3 8 3 1800 78 28 17 2 5 282 0 0 -77 3 8 3 1900 76 31 8 0 3 283 0 0 -70 15 8 3 2000 74 34 0 1 5 296 0 0 -62 2 8 3 2100 70 40 0 0 4 298 0 0 -51 4 8 3 2200 68 43 -0 0 4 294 0 0 -34 14 8 3 2300 67 46 0 1 4 310 0 0 -19 8 8 4 0 66 48 -0 1 5 319 0 0 -10 7 8 4 100 64 50 0 1 4 285 0 0 2 8 8 4 200 63 51 0 1 4 279 0 0 11 11 8 4 300 61 54 0 1 4 272 0 0 19 2 8 4 400 61 55 0 0 4 311 0 0 26 4 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Tye Mill and Skyline, Stevens Pass Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp Wind Wind Wind Wind PST F F Min Avg Max Dir 5180' 5250' 5180' 5180' 5180' 5180' ------------------------------------------------ 8 3 500 48 48 5 12 21 267 8 3 600 48 48 5 10 17 271 8 3 700 48 49 2 9 17 274 8 3 800 49 51 3 8 14 268 8 3 900 51 53 2 7 13 271 8 3 1000 53 59 0 5 13 273 8 3 1100 55 64 0 6 14 278 8 3 1200 55 63 0 7 16 272 8 3 1300 59 66 0 6 16 281 8 3 1400 62 67 0 3 12 282 8 3 1500 59 65 0 6 18 286 8 3 1600 56 60 0 10 19 279 8 3 1700 59 59 0 10 19 276 8 3 1800 56 57 0 6 15 271 8 3 1900 53 55 0 10 17 269 8 3 2000 52 53 7 13 19 265 8 3 2100 51 52 3 10 18 270 8 3 2200 51 52 4 10 16 268 8 3 2300 51 51 6 10 16 270 8 4 0 51 51 4 8 18 273 8 4 100 50 51 3 7 12 271 8 4 200 50 50 1 7 12 270 8 4 300 50 50 3 8 12 276 8 4 400 50 50 5 8 13 273 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Schmidt Haus, Stevens Pass, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 3950' 3950' 3950' 3950' 3950' 3950' 3950' ------------------------------------------------------ 8 3 500 53 87 0 0 0 -0 1021 8 3 600 53 88 0 0 -0 0 1021 8 3 700 54 87 0 0 -0 -0 1021 8 3 800 55 85 0 0 -0 -0 1022 8 3 900 56 82 0 0 -0 0 1022 8 3 1000 58 76 0 0 -0 -0 1021 8 3 1100 61 67 0 0 -0 -0 1021 8 3 1200 63 61 0 0 -0 -1 1022 8 3 1300 67 55 0 0 -0 -1 1022 8 3 1400 69 51 0 0 -0 -0 1021 8 3 1500 64 63 0 0 -0 -2 1022 8 3 1600 64 66 0 0 -0 -0 1022 8 3 1700 63 68 0 0 -0 -3 1022 8 3 1800 62 69 0 0 -0 -2 1021 8 3 1900 59 76 0 0 -0 0 1021 8 3 2000 57 81 0 0 0 -0 1022 8 3 2100 55 85 0 0 -0 -0 1021 8 3 2200 55 88 0 0 0 -0 1021 8 3 2300 55 88 0 0 0 -0 1021 8 4 0 55 90 0 0 0 -0 1021 8 4 100 54 89 0 0 0 -0 1021 8 4 200 53 89 0 0 0 -0 1021 8 4 300 51 89 0 0 -0 -0 1020 8 4 400 50 90 0 0 0 -0 1020 Total Prec. 3950' ------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Brooks Chair, Stevens Pass Ski Area, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total PST F % Prec. Prec. Snow Snow 4800' 4800' 4800' 4800' 4800' 4800' ------------------------------------------------ 8 3 500 50 89 0 0 27 245 8 3 600 49 92 0 0 27 245 8 3 700 50 89 0 0 28 247 8 3 800 51 83 0 0 30 248 8 3 900 53 82 0 0 34 248 8 3 1000 56 78 0 0 43 252 8 3 1100 59 64 0 0 49 258 8 3 1200 60 67 0 0 51 255 8 3 1300 64 64 0 0 62 276 8 3 1400 64 62 0 0 53 273 8 3 1500 61 67 0 0 53 261 8 3 1600 58 73 0 0 53 259 8 3 1700 58 73 0 0 53 259 8 3 1800 57 78 0 0 50 259 8 3 1900 55 84 0 0 48 256 8 3 2000 54 89 0 0 46 253 8 3 2100 52 95 0 0 43 252 8 3 2200 52 100 0 0 42 250 8 3 2300 52 93 0 0 41 250 8 4 0 51 94 0 0 39 248 8 4 100 51 97 0 0 38 249 8 4 200 50 97 0 0 36 249 8 4 300 51 94 0 0 9 247 8 4 400 50 94 0 0 -11 245 Total Prec. 4800' ------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Grace Lakes, Stevens Pass, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Total Shot PST F % Avg Max Dir Snow Snow 4790' 4790' 4590' 4590' 4590' 4790' 4790' ------------------------------------------------------ 8 3 500 50 91 2 10 276 24 56 8 3 600 49 93 2 7 288 24 56 8 3 700 50 92 0 6 48 24 59 8 3 800 51 89 0 8 324 20 60 8 3 900 53 86 1 5 167 24 65 8 3 1000 56 75 1 6 293 23 66 8 3 1100 58 67 2 9 321 22 66 8 3 1200 59 62 3 10 320 21 65 8 3 1300 63 62 2 12 331 24 68 8 3 1400 62 64 3 13 342 23 67 8 3 1500 59 71 2 9 11 23 69 8 3 1600 59 75 2 10 303 24 69 8 3 1700 57 78 2 11 288 24 69 8 3 1800 57 79 1 11 156 24 69 8 3 1900 54 87 1 9 245 24 70 8 3 2000 52 92 2 10 257 23 67 8 3 2100 52 95 2 7 259 23 51 8 3 2200 52 97 0 5 225 22 44 8 3 2300 51 96 1 6 257 23 33 8 4 0 51 98 0 5 233 24 86 8 4 100 51 98 0 7 245 22 82 8 4 200 49 98 0 4 237 24 145 8 4 300 49 100 0 4 250 21 151 8 4 400 49 98 1 4 256 22 156 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Berne Snow Camp (8 miles east of Stevens Pass), Washington MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 2700' 2700' 2700' 2700' 2700' 2700' 2700' ------------------------------------------------------ 8 3 500 61 65 0 0 0 0 1019 8 3 600 61 65 0 0 0 -0 1019 8 3 700 62 65 0 0 0 -0 1019 8 3 800 64 61 0 0 0 -0 1019 8 3 900 66 56 0 0 0 -0 1019 8 3 1000 68 49 0 0 0 -1 1019 8 3 1100 71 44 0 0 0 0 1019 8 3 1200 71 45 0 0 0 0 1019 8 3 1300 73 39 0 0 0 0 1019 8 3 1400 73 41 0 0 0 -0 1019 8 3 1500 73 42 0 0 0 0 1019 8 3 1600 72 46 0 0 0 0 1019 8 3 1700 71 47 0 0 0 -1 1019 8 3 1800 69 54 0 0 0 0 1019 8 3 1900 67 58 0 0 0 1 1019 8 3 2000 64 64 0 0 0 1 1019 8 3 2100 64 67 0 0 0 0 1020 8 3 2200 62 71 0 0 0 0 1019 8 3 2300 61 73 0 0 0 0 1019 8 4 0 60 75 0 0 0 2 1019 8 4 100 58 78 0 0 0 0 1019 8 4 200 58 79 0 0 0 1 1018 8 4 300 57 80 0 0 0 -0 1018 8 4 400 55 82 0 0 0 0 1018 Total Prec. 2700' ------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Dirty Face Mountain, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 5980' 5980' 5980' 5980' 5980' 5980' ------------------------------------------------ 8 3 500 47 85 12 21 30 277 8 3 600 50 79 2 8 15 284 8 3 700 53 68 2 4 9 75 8 3 800 51 75 2 7 16 260 8 3 900 53 73 2 7 15 263 8 3 1000 53 75 7 12 19 230 8 3 1100 55 67 7 14 19 229 8 3 1200 58 61 9 13 19 221 8 3 1300 59 57 8 13 19 233 8 3 1400 59 56 10 16 24 228 8 3 1500 60 52 10 16 23 219 8 3 1600 59 56 9 18 26 227 8 3 1700 57 61 18 23 28 228 8 3 1800 55 69 20 26 31 240 8 3 1900 53 76 14 20 28 261 8 3 2000 51 83 14 21 26 281 8 3 2100 50 86 19 23 26 283 8 3 2200 51 76 13 21 25 282 8 3 2300 51 69 9 16 22 289 8 4 0 53 52 4 8 11 281 8 4 100 53 48 2 5 8 296 8 4 200 56 32 2 3 8 304 8 4 300 55 51 3 8 14 60 8 4 400 54 55 7 9 11 133 Page 1 8-4-2020 Northwest Avalanche Center Lake Wenatchee State Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' ------------------------------------------------------------------------ 8 3 500 64 63 0 0 2 251 0 0 3 8 8 3 600 63 66 0 0 2 252 0 0 3 0 8 3 700 67 59 0 0 3 308 0 0 3 0 8 3 800 70 53 0 1 4 322 0 0 3 0 8 3 900 72 46 0 1 4 310 0 0 3 0 8 3 1000 76 39 0 2 5 311 0 0 2 4 8 3 1100 77 35 0 1 6 309 0 0 2 4 8 3 1200 81 33 0 1 4 302 0 0 2 5 8 3 1300 80 31 0 1 5 284 0 0 3 4 8 3 1400 81 30 0 1 4 305 0 0 2 3 8 3 1500 81 30 0 1 5 320 0 0 2 8 8 3 1600 79 31 0 2 5 322 0 0 1 7 8 3 1700 77 34 0 2 5 324 0 0 1 9 8 3 1800 76 40 0 2 5 327 0 0 2 4 8 3 1900 73 46 0 1 5 327 0 0 2 1 8 3 2000 71 52 0 0 3 306 0 0 2 1 8 3 2100 69 58 0 0 3 312 0 0 2 4 8 3 2200 67 61 0 0 4 319 0 0 3 2 8 3 2300 66 62 0 1 3 306 0 0 3 2 8 4 0 64 67 0 0 3 330 0 0 3 0 8 4 100 60 73 0 0 3 21 0 0 3 1 8 4 200 59 75 0 0 0 12 0 0 3 0 8 4 300 56 81 0 0 0 17 0 0 3 0 8 4 400 53 86 0 0 0 20 0 0 3 0 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Tumwater Mountain and Leavenworth, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Hour Total 24 hr Total Total PST F F % % Avg Max Dir Prec. Prec. Snow Snow Snow 4180' 1190' 4180' 1190' 4180' 4180' 4180' 1190' 1190 1190' 1190' 4180' ------------------------------------------------------------------------------------ 8 3 500 63 60 0 0 -21 -0 8 3 600 64 62 0 0 -20 -1 8 3 700 67 58 0 0 -19 -2 8 3 800 74 45 0 0 -17 -2 8 3 900 79 33 0 0 -18 -2 8 3 1000 81 31 0 0 -20 -2 8 3 1100 83 29 0 0 -24 -2 8 3 1200 83 28 0 0 -22 -1 8 3 1300 84 26 0 0 -22 -1 8 3 1400 86 24 0 0 -24 -2 8 3 1500 86 23 0 0 -24 -1 8 3 1600 87 23 0 0 -24 -2 8 3 1700 86 24 0 0 -24 -2 8 3 1800 83 28 0 0 -23 -1 8 3 1900 79 33 0 0 -20 -1 8 3 2000 76 39 0 0 -20 -1 8 3 2100 71 46 0 0 -19 -0 8 3 2200 69 52 0 0 -21 -0 8 3 2300 66 58 0 0 -21 -0 8 4 0 64 62 0 0 -21 -0 8 4 100 62 67 0 0 -21 -0 8 4 200 61 71 0 0 -24 -0 8 4 300 59 74 0 0 -26 -0 8 4 400 58 77 0 0 -26 -0 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Mt Washington (about 6 miles SE of North Bend), Washington Wind direction unheated and may rime MM/DD Hour Batt Temp Wind Solar PST Volt Deg F Dir W/m2 4340' 4340' 4340' 4340' ------------------------------------------------ 8 3 500 12.8 48 217 0 8 3 600 12.8 47 206 0 8 3 700 12.8 49 202 0 8 3 800 13.0 50 217 0 8 3 900 13.3 52 212 0 8 3 1000 13.7 52 218 0 8 3 1100 14.0 53 181 0 8 3 1200 13.5 55 215 0 8 3 1300 13.5 57 216 0 8 3 1400 13.5 54 232 0 8 3 1500 13.5 56 192 0 8 3 1600 13.5 56 236 0 8 3 1700 13.8 56 237 0 8 3 1800 13.7 55 242 0 8 3 1900 13.5 54 210 0 8 3 2000 13.3 53 199 0 8 3 2100 13.2 52 245 0 8 3 2200 13.1 52 134 0 8 3 2300 13.0 52 121 0 8 4 0 13.0 52 134 0 8 4 100 12.9 51 107 0 8 4 200 12.9 51 100 0 8 4 300 12.8 51 109 0 8 4 400 12.8 51 146 0 Page 1 8-4-2020 Northwest Avalanche Center Alpental Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total 24 Hr Total Inter PST F F F % % Avg Max Dir. Prec. Prec. Snow Snow Snow Snow Snow 5470' 4350' 3100' 3100' 5470' 5520' 5520' 5520' 3100' 3100' 3100' 3100' 4350' 4350' 5470' ------------------------------------------------------------------------------------------------------ 8 3 500 47 51 50 91 87 0 0 0 0 0 38 -2 60 21 -7999 8 3 600 47 51 52 90 83 0 0 0 0 0 38 -3 60 24 -7999 8 3 700 49 52 55 84 81 0 0 0 0 0 37 -2 60 23 -7999 8 3 800 50 51 57 81 86 0 0 0 0 0 37 -1 61 24 -7999 8 3 900 52 56 59 76 81 0 0 0 0 0 37 -0 59 24 -7999 8 3 1000 53 56 64 63 81 0 0 0 0 0 36 -2 59 24 -7999 8 3 1100 55 60 67 56 74 0 0 0 0 0 35 -2 57 25 -7999 8 3 1200 54 60 68 53 75 0 0 0 0 0 35 -2 58 26 -7999 8 3 1300 55 60 67 56 74 0 0 0 0 0 35 -4 58 22 520 8 3 1400 55 59 68 57 76 0 0 0 0 0 35 -1 57 27 505 8 3 1500 55 60 66 62 76 0 0 0 0 0 35 -3 57 18 503 8 3 1600 56 63 68 61 71 0 0 0 0 0 35 -2 56 23 504 8 3 1700 55 63 68 57 74 0 0 0 0 0 35 -3 53 23 504 8 3 1800 54 59 62 75 80 0 0 0 0 0 36 -3 56 20 507 8 3 1900 53 57 60 79 84 0 0 0 0 0 37 -0 60 20 491 8 3 2000 52 56 58 84 85 0 0 0 0 0 37 -3 59 22 502 8 3 2100 51 54 57 86 88 0 0 0 0 0 38 -0 61 27 515 8 3 2200 51 54 55 90 90 0 0 0 0 0 38 -1 61 19 525 8 3 2300 50 54 54 92 94 0 0 0 0 0 38 -3 60 19 533 8 4 0 50 55 54 95 94 0 0 0 0 0 38 -1 61 28 536 8 4 100 49 54 55 92 93 0 0 0 0 0 38 -2 62 18 542 8 4 200 49 55 54 92 91 0 0 0 0 0 39 -2 62 13 -7999 8 4 300 49 55 54 93 89 0 0 0 0 0 38 -3 62 20 -7999 8 4 400 50 56 53 92 85 0 0 0 0 0 38 -1 62 21 -7999 Total Prec. 3100' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Alpental Ski Area, Washington Gill gage on summit building HT wind gages on summit, unheated and may rime TEST...TEST...TEST...TEST...TEST...TEST MM/DD Hour Gill Gill Gill Gill# HT HT HT PST Avg Max Dir. Max Avg Max Dir. 5470' 5470' 5470' 1177 5520' 5520' 5520' ------------------------------------------------------ 8 3 500 8 3 600 8 3 700 8 3 800 8 3 900 8 3 1000 8 3 1100 8 3 1200 8 3 1300 8 3 1400 8 3 1500 8 3 1600 8 3 1700 8 3 1800 8 3 1900 8 3 2000 8 3 2100 8 3 2200 8 3 2300 8 4 0 8 4 100 8 4 200 8 4 300 8 4 400 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Snoqualmie Pass, Washington 3770' temp above Lake Keechelus MM/DD Hour Temp Temp Temp RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F F % Avg Max Dir Prec. Prec. Snow Snow mb 3760' 3770' 3010' 3010' 3760' 3760' 3760' 3010' 3010' 3010' 3010' 3010' ------------------------------------------------------------------------------------ 8 3 500 50 53 51 91 7 10 213 0 0 0 0 1022 8 3 600 50 53 53 88 8 11 213 0 0 0 0 1022 8 3 700 50 53 55 83 9 14 219 0 0 0 0 1023 8 3 800 51 57 62 67 5 10 209 0 0 0 0 1023 8 3 900 54 59 66 59 6 11 208 0 0 0 0 1022 8 3 1000 56 60 69 55 12 19 213 0 0 0 0 1022 8 3 1100 57 66 68 57 13 21 213 0 0 0 0 1022 8 3 1200 58 67 69 55 18 25 218 0 0 0 0 1022 8 3 1300 59 68 70 54 22 32 221 0 0 0 0 1023 8 3 1400 60 71 68 54 21 30 219 0 0 0 0 1023 8 3 1500 61 71 70 51 19 27 225 0 0 0 0 1023 8 3 1600 61 70 69 54 20 30 220 0 0 0 0 1023 8 3 1700 62 70 69 55 21 29 222 0 0 0 0 1022 8 3 1800 62 67 66 61 17 24 230 0 0 0 0 1022 8 3 1900 61 62 63 73 15 22 229 0 0 0 0 1022 8 3 2000 59 58 59 83 13 19 233 0 0 0 0 1022 8 3 2100 57 57 58 87 14 19 230 0 0 0 0 1022 8 3 2200 55 56 57 92 9 15 220 0 0 0 0 1022 8 3 2300 54 55 56 96 9 14 218 0 0 0 0 1022 8 4 0 53 55 55 98 10 13 220 0 0 0 0 1022 8 4 100 53 54 54 98 9 13 223 0 0 0 0 1022 8 4 200 52 54 54 99 7 10 223 0 0 0 0 1021 8 4 300 52 54 55 98 6 9 228 0 0 0 0 1021 8 4 400 51 54 54 97 4 7 239 0 0 0 0 1021 Total Prec. 3010' ------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Blewett Pass, WA Precipitation gage may measure condensation MM/DD Hour Temp RH Equip Hour Total 24 Hr Total Press PST F % Temp Prec. Prec. Snow Snow mb 4100' 4100' 4100' 4100' 4100' 4100' 4100' 4100' ------------------------------------------------------------ 8 3 500 52 65 51 0 0 68 8 1020 8 3 600 59 55 61 0 0 66 19 1021 8 3 700 68 42 80 0 0 74 24 1021 8 3 800 68 41 86 0 0 97 9 1021 8 3 900 68 40 89 0 0 109 15 1021 8 3 1000 70 39 89 0 0 112 10 1021 8 3 1100 73 32 92 0 0 113 13 1021 8 3 1200 75 32 91 0 0 112 15 1021 8 3 1300 77 29 91 0 0 114 17 1021 8 3 1400 75 31 90 0 0 110 3 1021 8 3 1500 75 30 92 0 0 111 16 1021 8 3 1600 73 32 78 0 0 111 16 1021 8 3 1700 71 34 74 0 0 109 15 1021 8 3 1800 68 36 70 0 0 107 11 1021 8 3 1900 65 43 66 0 0 105 13 1021 8 3 2000 62 51 61 0 0 101 24 1021 8 3 2100 59 56 57 0 0 97 11 1021 8 3 2200 55 62 53 0 0 91 26 1021 8 3 2300 53 66 50 0 0 86 17 1021 8 4 0 51 71 49 0 0 81 26 1021 8 4 100 52 59 48 0 0 75 26 1021 8 4 200 52 59 49 0 0 70 26 1021 8 4 300 50 64 48 0 0 65 26 1021 8 4 400 49 66 47 0 0 60 26 1021 Total Prec. 4100' ------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Mission Ridge Ski Area, Washington MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total PST F F F % % Avg Max Dir Prec. Prec. Snow Snow 6730' 5160' 4610' 6730' 5160' 6730' 6730' 6730' 5160' 5160' 5160' 5160' ------------------------------------------------------------------------------------ 8 3 500 53 8 3 600 53 8 3 700 58 8 3 800 60 8 3 900 62 8 3 1000 64 8 3 1100 65 8 3 1200 67 8 3 1300 69 8 3 1400 69 8 3 1500 69 8 3 1600 70 8 3 1700 70 8 3 1800 67 8 3 1900 62 8 3 2000 59 8 3 2100 56 8 3 2200 55 8 3 2300 56 8 4 0 55 8 4 100 54 8 4 200 53 8 4 300 53 8 4 400 54 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Crystal Mountain Ski Area, Washington MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 6830' 4570' 6830' 4570' 6830' 6830' 6830' 6830' 4310' 4310' 4570' 4570' ------------------------------------------------------------------------------------ 8 3 500 43 44 97 94 8 13 18 277 0 0 -25 3 8 3 600 43 45 98 94 6 13 19 267 0 0 -10 4 8 3 700 43 50 98 86 3 9 16 274 0 0 -5 2 8 3 800 44 52 96 80 4 11 16 268 0 0 -5 7 8 3 900 44 54 94 75 4 8 13 271 0 0 -28 6 8 3 1000 47 57 86 66 1 8 16 269 0 0 -9 -152 8 3 1100 49 59 78 59 2 6 10 267 0 0 -15 -152 8 3 1200 53 61 71 52 2 7 14 267 0 0 -5 20 8 3 1300 54 61 70 56 3 6 12 259 0 0 -7 20 8 3 1400 54 61 71 58 1 5 11 247 0 0 -11 12 8 3 1500 54 61 75 65 3 8 14 278 0 0 -7 8 8 3 1600 56 60 75 67 4 10 18 278 0 0 -14 -152 8 3 1700 53 60 80 70 7 12 20 276 0 0 10 6 8 3 1800 53 58 81 71 6 14 20 278 0 0 -12 7 8 3 1900 48 57 93 75 5 12 17 278 0 0 -26 8 8 3 2000 47 56 97 80 8 12 15 285 0 0 -19 7 8 3 2100 46 55 98 82 6 9 13 292 0 0 -10 7 8 3 2200 47 52 87 87 8 11 14 289 0 0 -45 8 8 3 2300 45 51 87 88 10 11 13 294 0 0 -17 7 8 4 0 45 48 94 91 11 13 15 316 0 0 -12 7 8 4 100 45 47 91 92 11 14 18 323 0 0 -25 7 8 4 200 45 45 84 92 15 16 18 325 0 0 -46 -47 8 4 300 47 45 71 93 11 15 17 333 0 0 0 7 8 4 400 48 45 66 94 6 10 16 338 0 0 -47 6 Total Prec. 4310' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Green Valley and Campbell Basin, Crystal Mountain Ski Area, Washington MM/DD Hour Temp Temp 24 hr Total 24 hr Total PST F F Snow Snow Snow Snow 6230' 5940' 6230' 6230' 5940' 5940' ------------------------------------------------ 8 3 500 43 55 5 8 3 600 46 54 5 8 3 700 45 53 3 8 3 800 47 55 4 8 3 900 46 54 3 8 3 1000 50 53 4 8 3 1100 54 51 3 8 3 1200 56 50 4 8 3 1300 56 52 1 8 3 1400 55 51 2 8 3 1500 54 52 3 8 3 1600 53 50 3 8 3 1700 51 53 4 8 3 1800 52 53 5 8 3 1900 50 54 3 8 3 2000 49 54 3 8 3 2100 48 53 4 8 3 2200 45 56 3 8 3 2300 44 53 4 8 4 0 45 55 3 8 4 100 44 55 5 8 4 200 46 54 4 8 4 300 44 52 5 8 4 400 45 55 5 Page 1 8-4-2020 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime Precipitation gage may measure condensation MM/DD Hour Temp Temp RH RH Wind Wind Wind Equip Hour Total Total PST F F % % Avg Max Dir Temp Prec. Prec. Snow 6240' 5500' 6240' 5500' 6240' 6240' 6240' 5500' 5500' 5500' 5500' ------------------------------------------------------------------------------ Total Prec. 5500' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Sunrise, Mount Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Total PST F F % % Avg Max Dir Snow 6880' 6410' 6880' 6410' 6880' 6880' 6880' 6410' ------------------------------------------------------------ Page 1 8-4-2020 Northwest Avalanche Center Paradise, Mt Rainier National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total Solar PST F % Avg Max Dir Prec. Prec. Snow Snow W/m2 5400' 5400' 5380' 5380' 5380' 5400' 5400' 5400' 5400' 5380' ------------------------------------------------------------------------ 8 3 500 46 100 0 0 0 10 8 3 600 46 100 0 0 0 9 8 3 700 47 100 0 0 0 9 8 3 800 48 99 0 0 0 10 8 3 900 50 92 0 0 0 10 8 3 1000 51 88 0 0 0 8 8 3 1100 53 82 0 0 0 8 8 3 1200 55 80 0 0 0 7 8 3 1300 59 69 0 0 -0 6 8 3 1400 60 71 0 0 0 10 8 3 1500 61 70 0 0 0 5 8 3 1600 60 68 0 0 0 5 8 3 1700 60 69 0 0 0 4 8 3 1800 58 76 0 0 0 9 8 3 1900 53 86 0 0 0 11 8 3 2000 51 90 0 0 0 11 8 3 2100 49 92 0 0 0 6 8 3 2200 49 96 0 0 0 8 8 3 2300 49 97 0 0 0 11 8 4 0 48 93 0 0 0 10 8 4 100 47 95 0 0 0 11 8 4 200 47 90 0 0 0 11 8 4 300 47 71 0 0 0 10 8 4 400 47 63 0 0 0 16 Total Prec. 5400' ------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Camp Muir, Mt Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind Solar PST F % Min Avg Max Dir w/m2 10110' 10110' 10110' 10110' 10110' 10110' 10110' --------------------------------------------------------------- 8 3 500 36 57 2 4 7 43 3 8 3 600 37 56 0 3 7 46 64 8 3 700 43 38 0 1 5 45 213 8 3 800 48 24 0 0 3 38 407 8 3 900 48 23 0 0 4 30 600 8 3 1000 48 17 0 2 4 26 768 8 3 1100 48 11 0 2 5 23 899 8 3 1200 47 14 0 2 5 20 985 8 3 1300 50 17 0 2 5 8 1013 8 3 1400 46 42 0 3 5 12 982 8 3 1500 45 39 0 2 7 8 895 8 3 1600 45 39 0 2 5 7 752 8 3 1700 45 33 0 3 8 5 570 8 3 1800 44 26 1 7 12 10 281 8 3 1900 45 14 0 0 3 20 23 8 3 2000 44 15 0 0 4 21 8 8 3 2100 46 12 0 1 5 25 0 8 3 2200 45 11 0 0 4 25 0 8 3 2300 47 9 0 0 4 26 0 8 4 0 47 8 0 0 1 25 0 8 4 100 47 8 0 0 0 24 0 8 4 200 46 7 0 0 1 25 0 8 4 300 47 7 0 0 2 26 0 8 4 400 45 7 0 0 0 26 0 Page 1 8-4-2020 Northwest Avalanche Center White Pass Ski Area, Washington MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total Total PST F F % % Min Avg Max Dir Prec. Prec. Snow 5800' 4470' 5800' 4470' 5970' 5970' 5970' 5970' 5800' 5800' 5800' ------------------------------------------------------------------------------ 8 3 500 46 98 8 17 22 292 0 0 19 8 3 600 46 98 8 16 23 290 0 0 19 8 3 700 47 98 12 19 28 293 0 0 19 8 3 800 48 95 13 21 29 290 0 0 17 8 3 900 49 90 11 20 28 293 0 0 14 8 3 1000 52 82 10 17 24 296 0 0 18 8 3 1100 57 75 9 16 22 293 0 0 16 8 3 1200 58 68 8 16 28 291 0 0 17 8 3 1300 59 62 9 17 25 291 0 0 15 8 3 1400 61 61 8 18 28 295 0 0 18 8 3 1500 61 58 10 18 28 293 0 0 18 8 3 1600 61 58 10 18 28 290 0 0 14 8 3 1700 61 64 11 20 29 292 0 0 15 8 3 1800 57 75 12 19 28 291 0 0 15 8 3 1900 54 84 11 19 24 288 0 0 14 8 3 2000 51 91 11 16 22 286 0 0 19 8 3 2100 50 95 11 14 18 285 0 0 18 8 3 2200 49 96 12 15 18 285 0 0 16 8 3 2300 48 98 13 15 18 286 0 0 16 8 4 0 48 99 11 14 17 287 0 0 16 8 4 100 46 94 6 10 15 288 0 0 14 8 4 200 46 84 0 3 6 283 0 0 16 8 4 300 47 65 0 2 5 101 0 0 16 8 4 400 50 66 4 6 8 114 0 0 19 Total Prec. 5800' ------------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ 8 3 500 52 100 -0 0 19 0 0 8 3 600 53 100 0 3 3 0 0 8 3 700 59 90 -0 0 100 0 0 8 3 800 64 81 0 0 121 0 0 8 3 900 66 73 0 6 253 0 0 8 3 1000 68 69 3 9 316 0 0 8 3 1100 67 72 5 10 318 0 0 8 3 1200 69 70 5 12 317 0 0 8 3 1300 70 69 6 11 311 0 0 8 3 1400 69 71 7 13 323 0 0 8 3 1500 71 64 6 12 316 0 0 8 3 1600 72 63 6 14 316 0 0 8 3 1700 70 67 6 12 320 0 0 8 3 1800 68 71 6 12 323 0 0 8 3 1900 66 79 5 9 328 0 0 8 3 2000 62 88 6 10 333 0 0 8 3 2100 60 92 4 9 339 0 0 8 3 2200 58 97 0 2 325 0 0 8 3 2300 56 99 0 1 187 0 0 8 4 0 55 100 -0 0 349 0 0 8 4 100 54 100 0 1 352 0 0 8 4 200 54 100 0 1 25 0 0 8 4 300 53 100 -0 0 8 0 0 8 4 400 54 100 0 4 324 0 0 Total Prec. 3260' ------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Timberline Lodge, Oregon MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 5880' 5880' 6000' 6000' 6000' 6000' 5880' 5880' 5880' 5880' ------------------------------------------------------------------------ 8 3 500 48 73 -0 -0 0 316 0 0 16 6 8 3 600 48 72 -1 -0 0 312 0 0 16 6 8 3 700 50 68 -0 -0 0 314 0 0 16 6 8 3 800 54 64 -0 -0 0 305 0 0 16 3 8 3 900 55 68 -0 -0 0 303 0 0 16 5 8 3 1000 57 65 -0 -0 0 299 0 0 16 5 8 3 1100 58 62 -0 -0 0 286 0 0 16 6 8 3 1200 59 60 -0 -0 0 332 0 0 16 4 8 3 1300 59 64 -0 -0 0 355 0 0 16 0 8 3 1400 61 55 -0 -0 0 19 0 0 15 5 8 3 1500 63 57 -0 -0 0 51 0 0 16 3 8 3 1600 62 52 -0 -0 0 68 0 0 16 1 8 3 1700 60 58 -0 -0 0 70 0 0 16 2 8 3 1800 59 63 -0 -0 0 28 0 0 16 -2 8 3 1900 55 57 -0 -0 0 3 0 0 16 2 8 3 2000 56 23 -0 -0 0 325 0 0 16 7 8 3 2100 55 22 -0 -0 0 313 0 0 16 8 8 3 2200 55 20 -0 -0 0 318 0 0 16 5 8 3 2300 60 14 -0 -0 0 320 0 0 16 8 8 4 0 57 15 -0 -0 0 336 0 0 16 8 8 4 100 57 14 -0 -0 0 349 0 0 16 8 8 4 200 55 21 -0 -0 0 351 0 0 16 9 8 4 300 55 20 -0 -0 0 346 0 0 16 9 8 4 400 55 20 -0 -0 0 341 0 0 16 8 Total Prec. 5880' ------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon Wind instruments not heating and may rime MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7000' 7000' 7000' 7000' 7000' 7000' ------------------------------------------------ 8 3 500 47 75 12 18 26 0 8 3 600 51 67 7 16 24 0 8 3 700 59 49 2 16 29 0 8 3 800 60 49 2 12 24 0 8 3 900 61 46 0 10 21 0 8 3 1000 61 55 0 11 23 0 8 3 1100 60 51 0 12 26 0 8 3 1200 58 53 3 17 29 0 8 3 1300 58 60 6 18 30 0 8 3 1400 59 57 9 19 31 0 8 3 1500 60 52 12 19 25 0 8 3 1600 59 52 11 18 25 0 8 3 1700 60 54 7 13 21 246 8 3 1800 59 41 7 12 18 263 8 3 1900 58 21 3 10 16 0 8 3 2000 56 17 5 11 18 289 8 3 2100 55 17 9 16 23 283 8 3 2200 55 18 12 17 24 0 8 3 2300 54 16 11 16 23 0 8 4 0 54 22 11 15 19 0 8 4 100 54 21 10 14 18 0 8 4 200 54 21 5 9 15 0 8 4 300 53 21 2 6 10 0 8 4 400 53 21 0 3 7 0 Page 1 8-4-2020 Northwest Avalanche Center Mt Hood Meadows Ski Area, Oregon MM/DD Hour Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F % % Avg Max Dir Prec. Prec. Snow Snow mb 6540' 5380' 6540' 5380' 6540' 6540' 6540' 5380' 5380' 5380' 5380' 5380' ------------------------------------------------------------------------------------ 8 3 500 51 65 0 0 28 13 1022 8 3 600 53 65 0 0 26 13 1022 8 3 700 57 59 0 0 29 13 1022 8 3 800 58 62 0 0 30 14 1023 8 3 900 59 62 0 0 32 12 1023 8 3 1000 60 58 0 0 36 13 1023 8 3 1100 63 51 0 0 41 14 1023 8 3 1200 63 49 0 0 73 12 1023 8 3 1300 64 49 0 0 77 12 1023 8 3 1400 65 49 0 0 76 15 1023 8 3 1500 66 41 0 0 70 9 1023 8 3 1600 65 42 0 0 65 14 1023 8 3 1700 63 35 0 0 56 14 1022 8 3 1800 58 36 0 0 53 16 1022 8 3 1900 53 54 0 0 49 13 1022 8 3 2000 51 41 0 0 45 13 1022 8 3 2100 51 32 0 0 41 13 1022 8 3 2200 55 20 0 0 37 19 1022 8 3 2300 53 24 0 0 33 14 1021 8 4 0 52 34 0 0 29 15 1021 8 4 100 52 32 0 0 28 17 1021 8 4 200 51 31 0 0 26 17 1021 8 4 300 50 33 0 0 25 20 1021 8 4 400 50 32 0 0 25 16 1021 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 8-4-2020 Northwest Avalanche Center Cascade Express, Mt Hood Meadows Ski Area, Oregon Wind gages heated but building structure may cause rime around instruments MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7300' 7300' 7300 7300' 7300' 7300' ------------------------------------------------ Page 1 8-4-2020 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