8-1-2020 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' ------------------------------------------------------------------ 7 31 500 66 41 -0 0 4 177 0 0 10 7 31 600 65 45 -0 0 3 182 0 0 9 7 31 700 68 35 -0 1 5 180 0 0 9 7 31 800 70 40 -0 0 4 174 0 0 9 7 31 900 70 42 0 3 7 179 0 0 6 7 31 1000 70 45 0 3 8 184 0 0 -1 7 31 1100 70 45 -0 3 7 194 0 0 7 7 31 1200 72 39 -0 3 9 190 0 0 9 7 31 1300 74 36 0 4 10 190 0 0 7 7 31 1400 74 40 -0 3 7 193 0 0 8 7 31 1500 72 45 -0 2 6 185 0 0 7 7 31 1600 69 50 0 4 8 191 0 0 8 7 31 1700 65 57 -0 3 10 194 0 0 2 7 31 1800 62 65 -0 2 5 189 0 0 4 7 31 1900 59 68 0 5 11 161 0 0 6 7 31 2000 57 73 -0 2 5 177 0 0 3 7 31 2100 55 77 -0 4 11 188 0 0 10 7 31 2200 55 76 -0 3 7 186 0 0 4 7 31 2300 55 59 0 4 8 176 0 0 10 8 1 0 53 61 2 5 9 179 0 0 8 8 1 100 54 54 2 5 10 180 0 0 8 8 1 200 54 52 3 7 11 174 0 0 11 8 1 300 53 56 2 4 7 179 0 0 11 8 1 400 52 60 2 4 7 192 0 0 11 Total Prec. 5250' ------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 13 72 22 37 0 4 7 227 0 0 0 2 7 31 600 75 71 27 41 0 5 18 201 0 0 -0 1 7 31 700 11 72 22 41 0 10 18 151 0 0 -0 1 7 31 800 12 78 66 38 1 5 9 110 0 0 -0 -5 7 31 900 13 74 86 50 0 5 8 163 0 0 -0 0 7 31 1000 72 72 48 59 0 3 10 159 0 0 -0 -2 7 31 1100 71 72 43 60 0 2 9 146 0 0 -0 -2 7 31 1200 6 75 43 60 0 6 13 161 0 0 -0 -1 7 31 1300 3 72 41 64 6 10 17 152 0 0 -0 -6 7 31 1400 5 71 33 61 8 14 23 160 0 0 -0 -0 7 31 1500 2 71 24 55 8 15 23 175 0 0 -0 -0 7 31 1600 2 70 45 56 8 16 26 167 0 0 -0 0 7 31 1700 6 69 29 52 11 18 26 164 0 0 -0 -1 7 31 1800 -24 65 27 60 9 17 25 162 0 0 -0 -0 7 31 1900 -23 63 26 57 8 14 22 176 0 0 -0 1 7 31 2000 -29 61 26 58 8 17 24 159 0 0 -0 -0 7 31 2100 -29 59 24 59 8 14 20 170 0 0 -0 -0 7 31 2200 -28 59 23 56 6 10 17 165 0 0 -0 6 7 31 2300 3 59 20 59 4 9 17 176 0 0 -0 2 8 1 0 5 58 26 64 4 9 17 168 0 0 0 2 8 1 100 -27 56 25 70 6 11 19 156 0 0 -0 3 8 1 200 -26 55 23 68 0 6 14 157 0 0 0 1 8 1 300 -26 56 24 64 1 5 11 156 0 0 -0 2 8 1 400 -28 56 30 65 2 9 16 163 0 0 0 -0 Total Prec. 4210' ------------------------------------------------------------------------ 0 Page 1 8-1-2020 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 8-1-2020 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' ------------------------------------------------------------------------ 7 31 500 65 52 11 0 2 19 0 0 -11 6 7 31 600 69 50 23 0 5 338 0 0 -16 5 7 31 700 72 46 78 0 3 15 0 0 -37 3 7 31 800 81 34 267 0 3 303 0 0 -74 3 7 31 900 86 28 111 0 3 100 0 0 -84 4 7 31 1000 91 21 118 0 3 129 0 0 -78 4 7 31 1100 97 18 899 2 6 85 0 0 -63 4 7 31 1200 102 14 922 2 9 133 0 0 -46 4 7 31 1300 100 15 191 2 5 138 0 0 -42 0 7 31 1400 103 15 256 2 10 75 0 0 -33 2 7 31 1500 101 16 166 3 8 101 0 0 -39 0 7 31 1600 99 17 103 2 7 101 0 0 -45 3 7 31 1700 96 24 92 2 7 59 0 0 -50 2 7 31 1800 90 29 36 2 6 297 0 0 -61 0 7 31 1900 86 31 9 2 6 282 0 0 -72 4 7 31 2000 83 27 0 2 5 286 0 0 -80 5 7 31 2100 81 25 0 2 4 281 0 0 -85 8 7 31 2200 80 26 0 2 4 272 0 0 -86 8 7 31 2300 79 27 0 2 4 276 0 0 -86 4 8 1 0 77 32 0 2 5 270 0 0 -84 4 8 1 100 77 31 0 2 5 268 0 0 -82 5 8 1 200 76 34 0 2 6 269 0 0 -80 4 8 1 300 74 35 0 2 6 269 0 0 -73 4 8 1 400 70 36 0 2 6 274 0 0 -61 4 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 72 72 0 4 12 59 7 31 600 76 74 0 5 13 81 7 31 700 76 74 0 4 8 88 7 31 800 79 77 0 3 9 104 7 31 900 67 80 0 3 9 248 7 31 1000 66 75 2 6 10 269 7 31 1100 66 75 5 11 22 264 7 31 1200 64 76 4 16 26 255 7 31 1300 70 78 0 8 21 272 7 31 1400 69 77 0 6 20 287 7 31 1500 70 75 0 10 26 295 7 31 1600 67 71 0 11 28 287 7 31 1700 66 68 4 17 26 282 7 31 1800 62 64 6 17 25 276 7 31 1900 59 59 7 17 24 270 7 31 2000 57 57 6 11 20 261 7 31 2100 55 56 1 6 11 271 7 31 2200 55 55 2 8 17 275 7 31 2300 53 53 4 11 20 270 8 1 0 53 53 2 16 27 273 8 1 100 54 53 0 6 14 274 8 1 200 54 53 5 10 20 267 8 1 300 54 53 4 10 18 263 8 1 400 53 53 4 9 15 261 Page 1 8-1-2020 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' ------------------------------------------------------ 7 31 500 69 42 0 0 0 -0 1016 7 31 600 67 51 0 0 -0 -0 1016 7 31 700 64 74 0 0 0 -0 1016 7 31 800 65 76 0 0 0 -0 1017 7 31 900 66 69 0 0 -0 -2 1017 7 31 1000 70 65 0 0 0 -0 1017 7 31 1100 76 52 0 0 0 -0 1017 7 31 1200 77 50 0 0 -0 -2 1017 7 31 1300 78 47 0 0 -0 -0 1018 7 31 1400 78 44 0 0 -0 -0 1018 7 31 1500 76 43 0 0 -0 -0 1018 7 31 1600 76 40 0 0 -0 -1 1019 7 31 1700 74 41 0 0 -0 -0 1018 7 31 1800 70 48 0 0 0 -0 1019 7 31 1900 65 57 0 0 -0 -0 1019 7 31 2000 62 63 0 0 -0 0 1019 7 31 2100 58 71 0 0 -0 -0 1019 7 31 2200 56 75 0 0 0 0 1020 7 31 2300 56 77 0 0 0 0 1019 8 1 0 56 79 0 0 0 0 1020 8 1 100 54 81 0 0 0 0 1020 8 1 200 53 83 0 0 0 0 1019 8 1 300 51 84 0 0 0 0 1019 8 1 400 51 83 0 0 -0 0 1020 Total Prec. 3950' ------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 71 36 0 0 44 289 7 31 600 71 35 0 0 46 298 7 31 700 70 39 0 0 50 297 7 31 800 73 54 0 0 58 320 7 31 900 71 55 0 0 55 324 7 31 1000 71 57 0 0 56 326 7 31 1100 67 63 0 0 50 315 7 31 1200 70 59 0 0 50 335 7 31 1300 72 58 0 0 48 350 7 31 1400 73 49 0 0 48 329 7 31 1500 72 49 0 0 49 299 7 31 1600 70 47 0 0 50 303 7 31 1700 69 50 0 0 53 296 7 31 1800 64 55 0 0 46 294 7 31 1900 60 62 0 0 42 279 7 31 2000 58 67 0 0 37 267 7 31 2100 56 70 0 0 33 258 7 31 2200 56 70 0 0 29 251 7 31 2300 54 78 0 0 26 250 8 1 0 54 76 0 0 22 246 8 1 100 53 78 0 0 18 242 8 1 200 53 70 0 0 17 242 8 1 300 54 67 0 0 15 243 8 1 400 54 65 0 0 16 246 Total Prec. 4800' ------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------ 7 31 500 73 29 10 19 154 23 51 7 31 600 73 30 7 18 156 23 51 7 31 700 72 33 3 10 160 23 52 7 31 800 72 51 0 5 309 23 59 7 31 900 67 59 2 6 298 23 63 7 31 1000 70 58 1 7 297 20 66 7 31 1100 70 59 2 9 247 24 66 7 31 1200 72 56 2 11 249 23 66 7 31 1300 73 55 3 13 303 22 66 7 31 1400 73 49 3 17 14 19 63 7 31 1500 73 45 4 15 314 19 62 7 31 1600 72 48 5 17 325 23 60 7 31 1700 70 46 5 16 310 23 59 7 31 1800 64 57 2 11 274 23 61 7 31 1900 60 62 2 8 253 24 59 7 31 2000 57 67 3 10 266 24 57 7 31 2100 54 73 0 4 238 23 55 7 31 2200 55 73 2 7 270 23 50 7 31 2300 53 79 0 5 199 24 49 8 1 0 53 80 2 12 265 23 49 8 1 100 53 77 2 6 242 23 46 8 1 200 52 76 0 6 238 24 45 8 1 300 52 75 0 4 177 23 43 8 1 400 52 65 0 6 250 23 41 Page 1 8-1-2020 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' ------------------------------------------------------ 7 31 500 65 63 0 0 0 -0 1013 7 31 600 64 66 0 0 0 -1 1013 7 31 700 70 62 0 0 0 2 1013 7 31 800 76 54 0 0 0 0 1012 7 31 900 85 36 0 0 0 0 1012 7 31 1000 92 17 0 0 0 -0 1012 7 31 1100 87 34 0 0 0 -0 1012 7 31 1200 85 35 0 0 0 -0 1013 7 31 1300 86 36 0 0 0 -0 1014 7 31 1400 84 34 0 0 0 -0 1014 7 31 1500 84 32 0 0 0 -0 1015 7 31 1600 83 30 0 0 0 0 1015 7 31 1700 81 31 0 0 0 0 1016 7 31 1800 78 35 0 0 0 -0 1016 7 31 1900 74 41 0 0 0 0 1016 7 31 2000 70 45 0 0 0 -0 1017 7 31 2100 67 51 0 0 0 -0 1016 7 31 2200 65 54 0 0 0 -0 1017 7 31 2300 66 54 0 0 0 -0 1017 8 1 0 65 56 0 0 0 -0 1017 8 1 100 62 61 0 0 0 0 1016 8 1 200 61 64 0 0 0 -0 1017 8 1 300 61 63 0 0 0 0 1017 8 1 400 59 64 0 0 0 -0 1017 Total Prec. 2700' ------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 71 27 2 9 17 25 7 31 600 71 26 13 15 21 53 7 31 700 73 25 15 17 20 73 7 31 800 73 27 8 15 21 83 7 31 900 74 27 3 7 11 141 7 31 1000 73 29 5 8 11 132 7 31 1100 76 28 4 8 10 146 7 31 1200 79 31 5 8 10 187 7 31 1300 73 46 5 13 20 216 7 31 1400 71 49 12 22 36 239 7 31 1500 69 49 18 28 37 252 7 31 1600 68 45 21 29 37 261 7 31 1700 66 41 25 34 47 259 7 31 1800 65 37 23 34 45 255 7 31 1900 63 37 22 29 38 262 7 31 2000 61 34 25 34 43 280 7 31 2100 59 36 23 32 39 281 7 31 2200 61 20 27 32 38 286 7 31 2300 59 37 26 36 42 282 8 1 0 53 65 20 32 41 280 8 1 100 61 28 17 28 39 290 8 1 200 63 13 3 12 25 296 8 1 300 62 14 0 6 16 233 8 1 400 62 20 0 8 19 293 Page 1 8-1-2020 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' ------------------------------------------------------------------------ 7 31 500 65 74 0 0 2 262 0 0 3 0 7 31 600 63 78 0 0 2 6 0 0 2 0 7 31 700 67 76 0 0 1 225 0 0 3 1 7 31 800 73 61 0 0 2 182 0 0 3 4 7 31 900 79 41 0 1 3 227 0 0 2 5 7 31 1000 83 32 0 1 3 214 0 0 3 5 7 31 1100 93 25 0 0 3 344 0 0 2 5 7 31 1200 100 14 0 1 4 55 0 0 1 4 7 31 1300 93 30 0 2 6 305 0 0 2 4 7 31 1400 91 30 0 3 8 311 0 0 2 0 7 31 1500 89 29 0 3 7 319 0 0 2 8 7 31 1600 87 30 0 2 6 319 0 0 2 5 7 31 1700 86 27 0 2 9 315 0 0 3 9 7 31 1800 83 29 0 2 8 295 0 0 3 6 7 31 1900 81 32 0 2 6 317 0 0 3 8 7 31 2000 77 38 0 0 4 118 0 0 3 1 7 31 2100 75 40 0 2 5 318 0 0 3 1 7 31 2200 73 44 0 2 5 289 0 0 3 0 7 31 2300 72 45 0 2 5 290 0 0 3 2 8 1 0 71 47 0 2 5 314 0 0 3 0 8 1 100 70 48 0 2 7 310 0 0 3 0 8 1 200 69 51 0 1 3 319 0 0 3 2 8 1 300 68 50 0 0 5 297 0 0 2 0 8 1 400 67 51 0 0 3 342 0 0 2 2 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 70 63 0 0 -21 -0 7 31 600 69 65 0 0 -23 -1 7 31 700 74 51 0 0 -20 -2 7 31 800 79 41 0 0 -20 -2 7 31 900 82 38 0 0 -21 -2 7 31 1000 85 35 0 0 -20 -2 7 31 1100 93 28 0 0 -29 -2 7 31 1200 101 15 0 0 -35 -2 7 31 1300 102 14 0 0 -32 -2 7 31 1400 103 14 0 0 -32 -2 7 31 1500 103 17 0 0 -29 -2 7 31 1600 101 20 0 0 -26 -2 7 31 1700 97 20 0 0 -27 -2 7 31 1800 94 18 0 0 -29 -1 7 31 1900 90 20 0 0 -29 -1 7 31 2000 86 24 0 0 -26 -1 7 31 2100 83 27 0 0 -23 -1 7 31 2200 78 36 0 0 -20 -1 7 31 2300 75 39 0 0 -18 -0 8 1 0 74 42 0 0 -18 -0 8 1 100 73 43 0 0 -18 -0 8 1 200 71 47 0 0 -18 -0 8 1 300 68 51 0 0 -19 -0 8 1 400 66 56 0 0 -19 -0 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 12.8 63 239 0 7 31 600 12.8 64 290 3 7 31 700 12.8 64 253 4 7 31 800 13.0 64 208 3 7 31 900 13.3 64 217 2 7 31 1000 13.7 64 228 3 7 31 1100 13.8 67 215 2 7 31 1200 13.9 68 198 3 7 31 1300 13.4 68 212 3 7 31 1400 13.2 68 223 3 7 31 1500 13.2 69 214 3 7 31 1600 13.4 66 230 3 7 31 1700 13.8 63 236 4 7 31 1800 13.6 60 259 5 7 31 1900 13.4 57 235 5 7 31 2000 13.2 55 205 3 7 31 2100 13.1 55 225 0 7 31 2200 13.0 54 221 0 7 31 2300 12.9 52 254 0 8 1 0 12.9 54 282 0 8 1 100 12.9 55 283 0 8 1 200 12.8 55 307 0 8 1 300 12.8 55 255 0 8 1 400 12.8 55 282 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------------------------ 7 31 500 73 65 61 85 28 0 0 0 0 0 30 -0 43 16 -7999 7 31 600 74 66 61 87 27 0 0 0 0 0 31 -0 45 18 -7999 7 31 700 72 64 62 88 36 0 0 0 0 0 31 -0 44 18 -7999 7 31 800 71 64 66 78 51 0 0 0 0 0 31 -0 45 16 -7999 7 31 900 66 64 68 75 62 0 0 0 0 0 30 -1 45 15 -7999 7 31 1000 66 65 70 65 67 0 0 0 0 0 29 -1 45 17 -7999 7 31 1100 66 69 76 51 65 0 0 0 0 0 29 -2 44 20 -7999 7 31 1200 66 72 79 40 57 0 0 0 0 0 29 -2 42 19 -7999 7 31 1300 66 73 81 36 55 0 0 0 0 0 29 -2 40 18 -7999 7 31 1400 67 73 81 31 46 0 0 0 0 0 29 -2 38 22 -7999 7 31 1500 66 74 79 33 46 0 0 0 0 0 29 -2 38 11 -7999 7 31 1600 65 72 78 34 47 0 0 0 0 0 29 -2 38 22 -7999 7 31 1700 63 72 76 39 50 0 0 0 0 0 29 -2 37 18 -7999 7 31 1800 62 65 71 48 57 0 0 0 0 0 30 -2 40 21 -7999 7 31 1900 60 63 67 60 62 0 0 0 0 0 30 -3 46 16 -7999 7 31 2000 58 61 65 64 66 0 0 0 0 0 31 -2 51 22 -7999 7 31 2100 55 60 61 75 72 0 0 0 0 0 31 -4 53 15 -7999 7 31 2200 54 58 60 78 77 0 0 0 0 0 32 -4 56 19 -7999 7 31 2300 51 57 60 73 79 0 0 0 0 0 32 -4 55 24 -7999 8 1 0 52 57 58 76 71 0 0 0 0 0 32 -4 58 18 -7999 8 1 100 53 58 57 78 70 0 0 0 0 0 32 -4 58 26 -7999 8 1 200 53 58 54 83 65 0 0 0 0 0 32 -3 58 19 -7999 8 1 300 53 58 52 88 64 0 0 0 0 0 33 -2 60 18 -7999 8 1 400 53 58 51 90 61 0 0 0 0 0 33 -1 59 25 -7999 Total Prec. 3100' ------------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------ 7 31 500 7 31 600 7 31 700 7 31 800 7 31 900 7 31 1000 7 31 1100 7 31 1200 7 31 1300 7 31 1400 7 31 1500 7 31 1600 7 31 1700 7 31 1800 7 31 1900 7 31 2000 7 31 2100 7 31 2200 7 31 2300 8 1 0 8 1 100 8 1 200 8 1 300 8 1 400 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 64 65 62 85 8 14 212 0 0 0 0 1016 7 31 600 64 65 62 85 8 11 212 0 0 0 0 1016 7 31 700 63 66 67 74 8 11 212 0 0 0 0 1017 7 31 800 61 67 70 69 6 11 233 0 0 0 0 1017 7 31 900 60 70 71 67 7 10 227 0 0 0 0 1017 7 31 1000 62 71 72 57 10 17 226 0 0 0 0 1017 7 31 1100 64 74 75 53 13 23 232 0 0 0 0 1017 7 31 1200 68 77 78 39 17 24 218 0 0 0 0 1017 7 31 1300 69 79 80 35 21 28 221 0 0 0 0 1018 7 31 1400 71 79 83 30 18 33 218 0 0 0 0 1018 7 31 1500 72 80 79 31 18 29 223 0 0 0 0 1018 7 31 1600 72 77 80 33 16 28 237 0 0 0 0 1018 7 31 1700 71 76 78 35 20 31 235 0 0 0 0 1018 7 31 1800 69 71 72 47 17 26 235 0 0 0 0 1019 7 31 1900 66 66 68 57 17 24 235 0 0 0 0 1019 7 31 2000 63 62 64 65 14 19 235 0 0 0 0 1020 7 31 2100 61 61 61 73 10 16 224 0 0 0 0 1020 7 31 2200 59 61 61 70 12 18 224 0 0 0 0 1020 7 31 2300 58 58 60 69 13 24 238 0 0 0 0 1021 8 1 0 57 57 58 71 8 14 -7999 0 0 0 0 1020 8 1 100 55 58 57 75 9 14 217 0 0 0 0 1020 8 1 200 54 57 56 81 8 11 210 0 0 0 0 1020 8 1 300 54 57 53 89 9 12 222 0 0 0 0 1020 8 1 400 55 57 53 91 8 12 223 0 0 0 0 1020 Total Prec. 3010' ------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------ 7 31 500 76 22 75 0 0 109 21 1017 7 31 600 78 22 80 0 0 110 16 1017 7 31 700 79 22 81 0 0 111 12 1017 7 31 800 81 20 91 0 0 112 18 1017 7 31 900 85 19 99 0 0 114 6 1017 7 31 1000 86 18 99 0 0 113 19 1017 7 31 1100 86 19 99 0 0 112 15 1017 7 31 1200 88 18 99 0 0 112 13 1017 7 31 1300 90 17 102 0 0 113 12 1017 7 31 1400 92 19 105 0 0 111 11 1017 7 31 1500 88 23 101 0 0 111 12 1017 7 31 1600 85 24 89 0 0 112 10 1017 7 31 1700 81 20 84 0 0 111 15 1017 7 31 1800 79 21 80 0 0 110 12 1018 7 31 1900 74 24 74 0 0 109 18 1018 7 31 2000 72 25 71 0 0 108 15 1018 7 31 2100 69 27 68 0 0 106 13 1018 7 31 2200 65 39 64 0 0 103 16 1018 7 31 2300 61 44 61 0 0 100 17 1018 8 1 0 59 49 58 0 0 96 15 1018 8 1 100 59 47 58 0 0 92 16 1019 8 1 200 58 50 56 0 0 88 14 1019 8 1 300 56 54 53 0 0 84 16 1019 8 1 400 55 51 53 0 0 80 19 1019 Total Prec. 4100' ------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 68 7 31 600 69 7 31 700 71 7 31 800 77 7 31 900 78 7 31 1000 78 7 31 1100 79 7 31 1200 82 7 31 1300 83 7 31 1400 85 7 31 1500 86 7 31 1600 85 7 31 1700 81 7 31 1800 78 7 31 1900 75 7 31 2000 74 7 31 2100 72 7 31 2200 71 7 31 2300 73 8 1 0 73 8 1 100 66 8 1 200 65 8 1 300 65 8 1 400 63 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 66 62 31 52 13 25 37 72 0 0 -12 7 7 31 600 66 61 30 60 10 20 32 78 0 0 -2 6 7 31 700 68 61 30 74 10 16 28 86 0 0 -20 5 7 31 800 72 66 29 62 5 12 23 88 0 0 -19 4 7 31 900 70 71 45 47 5 12 25 79 0 0 -4 4 7 31 1000 69 71 53 50 0 3 7 150 0 0 11 3 7 31 1100 67 72 60 52 0 3 6 243 0 0 16 5 7 31 1200 69 72 56 51 1 4 7 236 0 0 13 -152 7 31 1300 66 73 60 46 1 6 11 258 0 0 15 -152 7 31 1400 67 73 54 43 3 8 15 274 0 0 18 4 7 31 1500 67 72 51 43 1 6 11 247 0 0 15 4 7 31 1600 67 71 50 45 0 7 13 266 0 0 19 4 7 31 1700 65 68 54 50 1 6 12 273 0 0 19 4 7 31 1800 59 64 68 61 0 6 11 278 0 0 1 5 7 31 1900 55 61 79 69 0 4 10 289 0 0 -5 -56 7 31 2000 54 58 80 76 4 8 12 258 0 0 -10 3 7 31 2100 53 56 83 81 5 10 13 260 0 0 -12 5 7 31 2200 52 56 75 81 8 12 16 280 0 0 -38 6 7 31 2300 49 54 89 81 11 17 23 291 0 0 -18 5 8 1 0 49 53 90 85 18 21 25 281 0 0 -11 6 8 1 100 50 53 76 87 8 17 22 290 0 0 -11 6 8 1 200 50 52 58 88 12 18 24 284 0 0 3 6 8 1 300 52 51 38 90 13 19 25 284 0 0 -4 7 8 1 400 54 49 23 90 13 18 22 289 0 0 0 6 Total Prec. 4310' ------------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 67 55 5 7 31 600 67 55 5 7 31 700 70 54 5 7 31 800 68 52 5 7 31 900 67 51 2 7 31 1000 67 52 3 7 31 1100 69 49 0 7 31 1200 71 51 3 7 31 1300 68 50 2 7 31 1400 69 51 2 7 31 1500 66 49 0 7 31 1600 67 49 2 7 31 1700 61 53 3 7 31 1800 58 54 3 7 31 1900 55 58 5 7 31 2000 52 58 5 7 31 2100 51 61 3 7 31 2200 50 60 1 7 31 2300 51 59 3 8 1 0 51 53 3 8 1 100 51 57 4 8 1 200 51 57 3 8 1 300 53 54 5 8 1 400 54 53 6 Page 1 8-1-2020 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 8-1-2020 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 8-1-2020 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' ------------------------------------------------------------------------ 7 31 500 72 27 0 0 0 4 7 31 600 64 59 0 0 0 2 7 31 700 64 60 0 0 0 0 7 31 800 62 71 0 0 0 8 7 31 900 61 71 0 0 0 7 7 31 1000 66 65 0 0 0 1 7 31 1100 66 58 0 0 0 4 7 31 1200 68 52 0 0 0 3 7 31 1300 71 44 0 0 0 7 7 31 1400 73 38 0 0 -0 5 7 31 1500 72 43 0 0 0 6 7 31 1600 71 46 0 0 -0 -8 7 31 1700 68 53 0 0 0 3 7 31 1800 62 67 0 0 0 4 7 31 1900 57 82 0 0 0 6 7 31 2000 54 90 0 0 0 7 7 31 2100 54 87 0 0 0 5 7 31 2200 52 89 0 0 0 5 7 31 2300 51 94 0 0 0 7 8 1 0 51 87 0 0 0 9 8 1 100 50 87 0 0 0 5 8 1 200 51 82 0 0 0 10 8 1 300 51 81 0 0 0 8 8 1 400 51 81 0 0 0 5 Total Prec. 5400' ------------------------------------------------------ 0 Page 1 8-1-2020 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' --------------------------------------------------------------- 7 31 500 49 51 5 11 19 17 3 7 31 600 50 47 7 12 20 16 49 7 31 700 51 44 6 11 16 17 200 7 31 800 51 45 5 10 22 18 411 7 31 900 51 48 4 11 20 22 584 7 31 1000 53 46 4 9 17 24 754 7 31 1100 54 48 2 6 11 25 872 7 31 1200 54 49 3 8 16 22 975 7 31 1300 55 41 3 10 14 19 985 7 31 1400 47 50 5 12 25 16 959 7 31 1500 49 60 9 23 35 15 863 7 31 1600 47 22 21 26 33 16 737 7 31 1700 53 8 15 27 37 16 556 7 31 1800 50 9 19 27 39 14 272 7 31 1900 50 11 30 35 40 17 61 7 31 2000 49 10 23 29 37 18 11 7 31 2100 52 24 15 25 31 19 0 7 31 2200 51 24 15 28 36 18 0 7 31 2300 52 25 23 35 51 18 0 8 1 0 53 14 37 48 58 17 0 8 1 100 51 14 37 46 53 17 0 8 1 200 53 10 39 48 56 17 0 8 1 300 52 12 26 35 47 20 0 8 1 400 49 32 26 35 46 21 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------------ 7 31 500 66 38 15 18 23 94 0 0 17 7 31 600 66 39 8 14 18 103 0 0 19 7 31 700 68 40 4 8 14 98 0 0 17 7 31 800 68 53 2 9 16 148 0 0 15 7 31 900 66 63 0 8 25 216 0 0 17 7 31 1000 67 63 10 15 23 289 0 0 12 7 31 1100 70 56 11 19 26 291 0 0 13 7 31 1200 70 55 14 22 29 291 0 0 12 7 31 1300 71 49 16 27 37 291 0 0 11 7 31 1400 71 41 18 30 43 291 0 0 15 7 31 1500 72 38 13 26 42 290 0 0 12 7 31 1600 71 38 15 28 45 294 0 0 12 7 31 1700 68 49 17 29 43 292 0 0 14 7 31 1800 63 61 16 28 40 291 0 0 14 7 31 1900 60 68 20 32 44 288 0 0 14 7 31 2000 57 70 18 28 38 282 0 0 14 7 31 2100 55 73 15 26 35 284 0 0 15 7 31 2200 54 75 16 21 27 288 0 0 16 7 31 2300 53 89 12 23 32 291 0 0 16 8 1 0 52 91 13 22 30 295 0 0 15 8 1 100 51 81 14 23 34 290 0 0 19 8 1 200 51 83 16 21 27 290 0 0 17 8 1 300 50 83 11 18 26 290 0 0 16 8 1 400 50 82 9 15 21 292 0 0 19 Total Prec. 5800' ------------------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------ 7 31 500 59 82 -0 0 30 0 0 7 31 600 60 83 -0 0 21 0 0 7 31 700 71 69 -0 0 32 0 0 7 31 800 76 58 0 2 124 0 0 7 31 900 77 48 0 1 137 0 0 7 31 1000 82 45 0 3 247 0 0 7 31 1100 80 48 0 2 161 0 0 7 31 1200 81 52 0 7 250 0 0 7 31 1300 81 57 2 7 279 0 0 7 31 1400 80 59 3 10 284 0 0 7 31 1500 78 56 5 11 309 0 0 7 31 1600 77 54 4 10 315 0 0 7 31 1700 74 57 4 8 303 0 0 7 31 1800 72 62 3 7 316 0 0 7 31 1900 67 74 3 7 318 0 0 7 31 2000 64 82 0 5 295 0 0 7 31 2100 62 89 0 0 335 0 0 7 31 2200 60 93 0 5 298 0 0 7 31 2300 58 96 -0 0 81 0 0 8 1 0 56 98 -0 0 59 0 0 8 1 100 55 98 -0 0 10 0 0 8 1 200 56 100 -0 0 41 0 0 8 1 300 54 100 0 0 16 0 0 8 1 400 53 99 -0 0 38 0 0 Total Prec. 3260' ------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------------------------------ 7 31 500 65 42 -0 4 11 27 0 0 15 3 7 31 600 65 47 4 9 15 26 0 0 15 -0 7 31 700 63 57 -0 6 16 36 0 0 15 4 7 31 800 65 48 -0 -0 0 98 0 0 15 4 7 31 900 66 51 -0 -0 0 69 0 0 15 2 7 31 1000 67 52 -0 -0 0 66 0 0 15 3 7 31 1100 68 50 -0 -0 0 120 0 0 15 -0 7 31 1200 70 41 -0 -0 0 217 0 0 15 5 7 31 1300 70 31 -0 -0 0 243 0 0 14 3 7 31 1400 71 48 -0 -0 0 258 0 0 14 2 7 31 1500 69 41 -0 -0 0 253 0 0 14 -1 7 31 1600 68 41 -0 -0 0 248 0 0 15 -3 7 31 1700 66 33 -0 -0 0 234 0 0 15 3 7 31 1800 64 29 -0 -0 0 212 0 0 15 3 7 31 1900 60 25 -0 -0 0 164 0 0 16 8 7 31 2000 61 14 -0 -0 0 88 0 0 16 7 7 31 2100 60 14 -0 -0 0 81 0 0 16 8 7 31 2200 61 11 -0 -0 0 72 0 0 16 7 7 31 2300 61 9 -0 -0 0 149 0 0 15 9 8 1 0 58 21 -0 -0 0 139 0 0 16 7 8 1 100 57 35 -0 -0 0 109 0 0 16 7 8 1 200 56 24 -0 -0 0 73 0 0 16 8 8 1 300 57 33 -0 -0 0 43 0 0 16 9 8 1 400 58 30 -0 -0 0 53 0 0 16 5 Total Prec. 5880' ------------------------------------------------------------ 0 Page 1 8-1-2020 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' ------------------------------------------------ 7 31 500 65 42 0 2 6 0 7 31 600 63 43 0 13 27 0 7 31 700 66 23 6 20 30 0 7 31 800 71 18 6 20 34 0 7 31 900 74 15 4 17 29 0 7 31 1000 71 31 6 16 27 0 7 31 1100 71 27 6 17 31 0 7 31 1200 70 31 8 17 29 0 7 31 1300 69 34 8 20 34 0 7 31 1400 70 40 6 18 32 0 7 31 1500 67 42 11 20 34 0 7 31 1600 65 40 16 25 36 0 7 31 1700 63 38 15 27 46 250 7 31 1800 61 41 14 26 40 263 7 31 1900 59 25 16 27 42 250 7 31 2000 57 13 18 28 40 258 7 31 2100 58 10 15 22 32 256 7 31 2200 58 10 14 21 31 266 7 31 2300 60 8 13 20 30 257 8 1 0 60 7 15 21 28 255 8 1 100 60 7 8 18 24 272 8 1 200 60 9 10 18 26 61 8 1 300 59 8 13 19 27 63 8 1 400 58 16 12 16 21 45 Page 1 8-1-2020 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' ------------------------------------------------------------------------------------ 7 31 500 61 55 0 0 47 12 1019 7 31 600 64 57 0 0 47 12 1019 7 31 700 67 54 0 0 55 9 1019 7 31 800 74 18 0 0 67 18 1019 7 31 900 74 19 0 0 71 18 1019 7 31 1000 73 30 0 0 68 13 1020 7 31 1100 74 26 0 0 67 14 1020 7 31 1200 73 25 0 0 68 12 1020 7 31 1300 73 25 0 0 70 14 1021 7 31 1400 74 35 0 0 72 9 1021 7 31 1500 73 36 0 0 72 11 1021 7 31 1600 70 38 0 0 72 13 1021 7 31 1700 67 32 0 0 63 14 1020 7 31 1800 66 30 0 0 63 15 1020 7 31 1900 66 22 0 0 64 14 1020 7 31 2000 66 8 0 0 62 22 1020 7 31 2100 67 7 0 0 63 21 1020 7 31 2200 67 7 0 0 62 22 1020 7 31 2300 68 5 0 0 63 21 1020 8 1 0 58 51 0 0 60 12 1020 8 1 100 53 58 0 0 50 14 1021 8 1 200 55 46 0 0 44 15 1020 8 1 300 54 46 0 0 40 14 1020 8 1 400 53 40 0 0 36 14 1020 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 8-1-2020 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 8-1-2020 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