4-12-2021 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' ------------------------------------------------------------------ 4 11 500 16 91 -0 0 1 107 0 0 120 4 11 600 17 91 -0 0 3 100 0 0 120 4 11 700 20 85 -0 0 0 22 0 0 120 4 11 800 24 73 -0 0 3 56 0 0 120 4 11 900 26 67 -0 0 4 54 0 0 120 4 11 1000 25 75 -0 0 4 55 0 0 120 4 11 1100 29 77 -0 2 4 60 0 0 119 4 11 1200 31 80 -0 0 4 53 0 0 119 4 11 1300 29 83 -0 0 3 41 0 0 119 4 11 1400 30 83 -0 0 3 57 0 0 119 4 11 1500 27 92 -0 0 5 60 0 0 119 4 11 1600 28 91 -0 0 2 56 0 0 119 4 11 1700 27 94 -0 0 3 60 0 0 119 4 11 1800 25 96 -0 0 2 59 0 0 119 4 11 1900 23 97 -0 0 3 50 0 0 119 4 11 2000 22 79 1 4 8 53 0 0 119 4 11 2100 22 81 1 3 6 53 0 0 119 4 11 2200 22 59 -0 1 4 63 0 0 119 4 11 2300 23 45 -0 0 3 70 0 0 119 4 12 0 26 28 -0 0 4 113 0 0 119 4 12 100 25 29 1 6 11 124 0 0 119 4 12 200 25 34 6 10 14 131 0 0 119 4 12 300 24 53 5 11 16 129 0 0 120 4 12 400 24 66 4 10 16 128 0 0 120 Total Prec. 5250' ------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------------------ 4 11 500 19 17 93 84 0 3 6 42 0 0 0 204 4 11 600 20 18 92 82 0 0 4 65 0 0 0 205 4 11 700 23 23 90 74 0 1 4 56 0 0 0 204 4 11 800 24 24 87 74 0 2 6 69 0 0 0 204 4 11 900 25 28 88 69 0 4 7 86 0 0 0 203 4 11 1000 28 31 85 67 0 1 6 99 0 0 0 202 4 11 1100 27 32 81 54 0 3 7 40 0 0 -0 202 4 11 1200 30 34 85 56 0 3 9 140 0 0 -0 202 4 11 1300 30 33 80 54 2 7 11 175 0 0 -0 203 4 11 1400 30 34 77 55 0 4 10 177 0 0 -0 202 4 11 1500 31 33 66 49 0 2 7 186 0 0 -0 202 4 11 1600 29 33 67 56 0 2 6 288 0 0 -0 202 4 11 1700 28 34 73 58 0 0 4 348 0 0 -0 202 4 11 1800 27 30 74 70 0 0 5 84 0 0 -0 202 4 11 1900 26 28 81 74 0 2 6 41 0 0 0 202 4 11 2000 25 27 90 80 0 2 4 73 0 0 0 202 4 11 2100 25 25 85 83 0 0 3 54 0 0 0 202 4 11 2200 26 26 77 80 0 5 8 30 0 0 0 202 4 11 2300 26 24 77 79 2 5 8 28 0 0 0 202 4 12 0 27 25 66 73 2 4 6 46 0 0 0 202 4 12 100 27 26 60 67 1 3 6 56 0 0 0 202 4 12 200 27 26 55 61 1 3 5 47 0 0 0 202 4 12 300 28 27 49 55 0 3 6 45 0 0 0 202 4 12 400 28 26 45 55 0 0 4 40 0 0 0 202 Total Prec. 4210' ------------------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------------ 4 11 500 13 2 68 82 3 11 73 33 0 0 92 4 11 600 15 2 60 82 5 12 22 31 0 0 92 4 11 700 19 5 58 85 5 11 42 34 0 0 92 4 11 800 22 16 51 79 2 5 97 41 0 0 92 4 11 900 20 21 52 60 4 11 67 49 0 0 92 4 11 1000 25 26 47 41 8 16 49 62 0 0 91 4 11 1100 24 30 54 39 5 9 102 67 0 0 91 4 11 1200 23 30 55 40 5 10 202 68 0 0 90 4 11 1300 25 34 49 33 6 10 208 76 0 0 91 4 11 1400 28 32 52 35 5 12 176 69 0 0 91 4 11 1500 28 34 49 35 3 7 156 76 0 0 90 4 11 1600 28 34 52 37 4 7 167 79 0 0 90 4 11 1700 30 31 51 43 3 8 77 65 0 0 90 4 11 1800 23 28 63 53 3 6 64 58 0 0 90 4 11 1900 21 27 67 53 2 5 20 52 0 0 91 4 11 2000 22 23 64 64 7 10 2 53 0 0 91 4 11 2100 21 20 64 68 7 10 9 51 0 0 90 4 11 2200 21 17 61 75 5 7 21 46 0 0 91 4 11 2300 21 14 55 78 2 8 52 43 0 0 91 4 12 0 21 13 56 80 9 11 13 42 0 0 90 4 12 100 21 12 56 81 5 10 21 40 0 0 90 4 12 200 20 11 57 84 6 9 17 41 0 0 91 4 12 300 20 10 55 84 6 8 20 39 .01 .01 91 4 12 400 20 11 57 85 9 11 9 39 0 .01 91 Total Prec. 5450' ------------------------------------------------------------------------ .01 Page 1 4-12-2021 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' ------------------------------------------------------------------------ 4 11 500 26 54 0 2 5 289 0 0 0 -0 4 11 600 26 54 8 2 4 292 0 0 0 -0 4 11 700 29 45 31 2 4 305 0 0 0 -0 4 11 800 34 39 387 2 5 290 0 0 0 -0 4 11 900 39 32 66 1 5 288 0 0 0 -0 4 11 1000 44 23 77 1 5 307 0 0 0 -0 4 11 1100 46 19 65 2 5 316 0 0 0 -0 4 11 1200 49 18 878 2 5 308 0 0 0 -0 4 11 1300 51 16 877 2 5 283 0 0 0 -1 4 11 1400 51 15 802 1 5 298 0 0 -0 -0 4 11 1500 50 16 445 2 5 281 0 0 0 -0 4 11 1600 50 18 95 2 6 292 0 0 0 -0 4 11 1700 48 22 64 0 4 285 0 0 0 -0 4 11 1800 45 29 9 0 4 294 0 0 0 -0 4 11 1900 41 36 0 0 4 294 0 0 0 -0 4 11 2000 38 42 0 1 5 317 0 0 0 -0 4 11 2100 38 41 0 2 4 297 0 0 0 -0 4 11 2200 34 51 0 0 3 312 0 0 0 -0 4 11 2300 30 62 0 0 4 334 0 0 0 -0 4 12 0 33 51 0 2 4 316 0 0 0 -0 4 12 100 33 48 0 2 4 309 0 0 0 -0 4 12 200 32 50 0 2 4 295 0 0 0 -0 4 12 300 30 54 0 2 4 305 0 0 0 -0 4 12 400 31 51 0 2 4 293 0 0 0 -0 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 17 15 4 7 10 266 4 11 600 17 16 4 7 11 263 4 11 700 19 20 4 6 10 271 4 11 800 22 21 1 4 7 289 4 11 900 24 32 0 3 5 289 4 11 1000 26 34 2 4 6 282 4 11 1100 29 36 0 4 7 280 4 11 1200 31 34 0 3 6 273 4 11 1300 31 36 0 7 15 271 4 11 1400 33 34 0 6 15 282 4 11 1500 33 33 0 6 12 287 4 11 1600 33 33 0 5 12 283 4 11 1700 30 31 0 6 11 279 4 11 1800 29 29 3 7 10 273 4 11 1900 26 26 4 6 11 264 4 11 2000 26 24 2 4 7 266 4 11 2100 26 24 0 1 4 307 4 11 2200 25 26 0 4 6 90 4 11 2300 25 27 3 4 6 112 4 12 0 26 24 0 4 7 74 4 12 100 25 27 1 4 7 78 4 12 200 24 26 3 6 7 117 4 12 300 24 25 0 3 5 122 4 12 400 23 25 3 4 6 101 Page 1 4-12-2021 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' ------------------------------------------------------ 4 11 500 16 90 0 0 0 130 1021 4 11 600 16 89 0 0 0 129 1022 4 11 700 16 90 0 0 0 129 1022 4 11 800 18 90 0 0 0 129 1022 4 11 900 23 89 0 0 0 128 1022 4 11 1000 29 84 0 0 0 128 1022 4 11 1100 33 81 0 0 0 127 1022 4 11 1200 34 79 0 0 0 126 1022 4 11 1300 36 73 0 0 -0 125 1022 4 11 1400 34 82 0 0 0 126 1021 4 11 1500 35 74 0 0 0 125 1021 4 11 1600 35 72 0 0 0 125 1021 4 11 1700 34 79 0 0 0 125 1021 4 11 1800 33 80 0 0 0 125 1021 4 11 1900 30 84 0 0 0 125 1021 4 11 2000 28 84 0 0 0 125 1022 4 11 2100 27 85 0 0 0 125 1022 4 11 2200 25 87 0 0 0 125 1022 4 11 2300 25 88 0 0 0 125 1022 4 12 0 24 88 0 0 0 125 1022 4 12 100 24 88 0 0 0 125 1022 4 12 200 24 87 0 0 0 125 1022 4 12 300 23 87 0 0 0 125 1022 4 12 400 23 87 0 0 0 125 1022 Total Prec. 3950' ------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 15 88 0 0 5 149 4 11 600 15 85 0 0 -0 149 4 11 700 21 75 0 0 -0 150 4 11 800 25 63 0 0 -0 149 4 11 900 32 61 0 0 -0 149 4 11 1000 31 65 0 0 -0 208 4 11 1100 32 66 0 0 -0 268 4 11 1200 34 63 0 0 -0 149 4 11 1300 35 56 0 0 -0 148 4 11 1400 33 65 0 0 -0 147 4 11 1500 35 57 0 0 -0 147 4 11 1600 33 62 0 0 -0 147 4 11 1700 31 66 0 0 -0 147 4 11 1800 30 69 0 0 -0 147 4 11 1900 26 84 0 0 0 147 4 11 2000 23 86 0 0 0 147 4 11 2100 21 83 0 0 0 147 4 11 2200 20 82 0 0 0 147 4 11 2300 21 75 0 0 0 147 4 12 0 21 74 0 0 0 147 4 12 100 23 67 0 0 0 147 4 12 200 21 72 0 0 0 147 4 12 300 19 72 0 0 0 147 4 12 400 19 71 0 0 0 147 Total Prec. 4800' ------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------ 4 11 500 16 88 2 5 269 171 3 4 11 600 16 88 1 6 268 171 3 4 11 700 19 87 0 3 212 171 3 4 11 800 21 83 0 4 278 170 3 4 11 900 27 74 2 5 271 170 3 4 11 1000 32 70 3 5 288 170 3 4 11 1100 33 68 3 6 289 169 2 4 11 1200 33 68 3 6 295 169 2 4 11 1300 35 69 2 7 314 168 1 4 11 1400 34 77 3 10 337 168 1 4 11 1500 34 75 3 12 355 167 0 4 11 1600 32 70 3 10 348 167 0 4 11 1700 29 79 2 9 341 167 0 4 11 1800 29 80 2 7 346 167 0 4 11 1900 27 80 3 7 280 167 0 4 11 2000 26 84 2 5 280 167 0 4 11 2100 25 85 0 3 180 167 0 4 11 2200 24 85 1 4 181 167 0 4 11 2300 26 65 3 7 180 167 0 4 12 0 26 69 2 5 171 167 0 4 12 100 25 69 3 7 177 167 0 4 12 200 27 58 3 7 188 167 0 4 12 300 26 59 1 5 198 167 0 4 12 400 25 58 3 5 204 167 0 Page 1 4-12-2021 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' ------------------------------------------------------ 4 11 500 21 86 0 0 1 18 1022 4 11 600 21 85 0 0 0 18 1022 4 11 700 25 80 0 0 0 18 1022 4 11 800 34 63 0 0 0 17 1022 4 11 900 37 52 0 0 -0 17 1022 4 11 1000 40 47 0 0 -0 17 1022 4 11 1100 44 32 0 0 -0 17 1022 4 11 1200 44 31 0 0 -0 16 1021 4 11 1300 45 39 0 0 -0 17 1021 4 11 1400 44 41 0 0 -0 17 1021 4 11 1500 44 40 0 0 -0 16 1021 4 11 1600 42 43 0 0 0 17 1020 4 11 1700 41 50 0 0 -0 16 1021 4 11 1800 37 62 0 0 0 17 1021 4 11 1900 34 74 0 0 -0 17 1021 4 11 2000 32 81 0 0 0 17 1022 4 11 2100 30 85 0 0 -0 17 1022 4 11 2200 29 88 0 0 0 17 1022 4 11 2300 28 89 0 0 0 17 1022 4 12 0 28 88 0 0 0 17 1022 4 12 100 28 87 0 0 0 17 1022 4 12 200 27 88 0 0 0 17 1022 4 12 300 27 86 0 0 0 17 1022 4 12 400 25 88 0 0 0 17 1022 Total Prec. 2700' ------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 16 54 0 0 0 315 4 11 600 18 48 0 0 0 245 4 11 700 21 42 0 0 0 271 4 11 800 23 39 0 3 6 63 4 11 900 25 45 0 3 7 51 4 11 1000 23 55 0 4 9 217 4 11 1100 25 49 0 6 11 226 4 11 1200 27 43 0 6 12 234 4 11 1300 29 42 2 6 15 229 4 11 1400 30 49 7 14 25 230 4 11 1500 30 60 7 15 23 228 4 11 1600 29 59 10 17 24 227 4 11 1700 28 64 10 15 21 231 4 11 1800 27 67 6 13 21 258 4 11 1900 25 65 5 10 15 277 4 11 2000 26 54 0 4 11 304 4 11 2100 25 57 0 2 7 61 4 11 2200 25 55 3 7 12 58 4 11 2300 24 53 9 14 18 95 4 12 0 24 52 10 13 16 116 4 12 100 23 54 3 7 12 100 4 12 200 23 58 5 7 11 110 4 12 300 23 59 3 7 10 144 4 12 400 22 57 4 6 10 152 Page 1 4-12-2021 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' ------------------------------------------------------------------------ 4 11 500 22 89 0 0 0 52 0 0 29 7 4 11 600 21 91 0 0 0 52 0 0 29 7 4 11 700 25 86 0 0 0 52 0 0 29 7 4 11 800 30 74 0 0 0 55 0 0 28 7 4 11 900 37 52 0 0 2 232 0 0 29 7 4 11 1000 40 43 0 0 3 229 0 0 29 7 4 11 1100 43 27 0 1 3 206 0 0 29 7 4 11 1200 47 23 0 1 4 206 0 0 29 7 4 11 1300 48 21 0 1 5 242 0 0 29 7 4 11 1400 51 26 0 1 4 244 0 0 29 7 4 11 1500 46 34 0 1 4 311 0 0 29 6 4 11 1600 49 36 0 1 4 310 0 0 29 6 4 11 1700 46 40 0 1 5 311 0 0 28 7 4 11 1800 45 42 0 1 4 323 0 0 28 6 4 11 1900 42 50 0 0 3 325 0 0 28 6 4 11 2000 37 66 0 0 0 35 0 0 28 6 4 11 2100 35 74 0 0 0 105 0 0 28 7 4 11 2200 32 79 0 0 0 132 0 0 28 6 4 11 2300 30 84 0 0 0 131 0 0 28 6 4 12 0 28 88 0 0 0 131 0 0 29 6 4 12 100 27 90 0 0 0 131 0 0 27 6 4 12 200 26 91 0 0 0 131 0 0 26 6 4 12 300 25 93 0 0 0 131 0 0 28 6 4 12 400 24 94 0 0 0 131 0 0 29 6 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------------------ 4 11 500 23 26 46 79 0 3 135 0 0 0 0 21 4 11 600 26 25 36 80 0 3 192 0 0 0 0 21 4 11 700 30 30 34 65 0 3 126 0 0 0 -0 20 4 11 800 32 34 52 57 1 4 107 0 0 0 -0 19 4 11 900 34 39 31 44 2 6 88 0 0 0 -0 19 4 11 1000 35 42 30 39 1 5 309 0 0 0 -0 18 4 11 1100 37 47 25 31 2 6 247 0 0 0 -0 19 4 11 1200 37 51 26 17 3 11 252 0 0 0 -0 20 4 11 1300 40 52 24 15 4 9 282 0 0 0 -0 19 4 11 1400 41 54 26 14 4 12 279 0 0 0 -0 19 4 11 1500 40 54 24 14 4 12 312 0 0 0 -0 19 4 11 1600 42 55 25 14 6 14 286 0 0 0 -0 19 4 11 1700 40 54 38 17 2 11 297 0 0 0 -0 19 4 11 1800 38 50 44 29 4 9 279 0 0 0 0 19 4 11 1900 34 47 51 40 2 8 332 0 0 0 0 20 4 11 2000 34 42 49 51 2 5 331 0 0 0 0 20 4 11 2100 33 39 50 59 0 2 206 0 0 0 0 20 4 11 2200 32 37 51 63 0 2 349 0 0 0 0 20 4 11 2300 33 35 50 67 1 4 357 0 0 0 0 20 4 12 0 32 33 47 71 0 2 271 0 0 0 0 20 4 12 100 33 32 41 73 0 3 96 0 0 0 0 20 4 12 200 31 31 38 77 0 5 178 0 0 0 0 20 4 12 300 31 30 43 79 0 3 196 0 0 0 0 20 4 12 400 30 29 41 81 1 4 230 0 0 0 0 20 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 12.7 21 17 0 4 11 600 12.7 21 18 1 4 11 700 12.7 22 18 4 4 11 800 12.8 23 74 5 4 11 900 13.3 23 55 4 4 11 1000 14.0 25 74 4 4 11 1100 14.0 26 42 4 4 11 1200 13.9 27 75 3 4 11 1300 13.7 28 149 4 4 11 1400 13.3 29 154 4 4 11 1500 13.5 31 194 3 4 11 1600 13.7 31 217 4 4 11 1700 13.9 31 185 4 4 11 1800 14.3 30 158 5 4 11 1900 13.4 28 156 3 4 11 2000 12.9 27 136 0 4 11 2100 12.8 28 52 0 4 11 2200 12.8 28 30 0 4 11 2300 12.8 29 236 0 4 12 0 12.7 31 57 0 4 12 100 12.7 28 79 0 4 12 200 12.7 27 183 0 4 12 300 12.7 28 156 0 4 12 400 12.7 29 153 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------------------------------------ 4 11 500 16 22 19 90 75 18 25 45 0 0 1 127 5 193 11 4 11 600 17 22 19 89 77 16 23 46 0 0 1 127 0 193 11 4 11 700 20 21 20 89 74 15 22 47 0 0 1 127 0 193 -0 4 11 800 21 23 21 90 72 13 20 52 0 0 1 127 0 192 -0 4 11 900 22 24 31 74 71 7 14 56 0 0 1 127 0 192 -0 4 11 1000 23 28 35 67 72 5 8 55 0 0 1 127 0 192 -0 4 11 1100 28 31 41 59 70 2 4 49 0 0 0 126 -0 192 -0 4 11 1200 27 33 45 44 66 2 6 43 0 0 0 126 29 191 -0 4 11 1300 26 32 39 53 67 3 10 42 0 0 1 126 28 191 -0 4 11 1400 29 32 42 47 64 5 12 42 0 0 1 125 0 191 -0 4 11 1500 28 34 39 54 65 6 12 40 0 0 1 126 0 191 -0 4 11 1600 28 33 40 55 62 7 13 39 0 0 1 126 0 192 -0 4 11 1700 28 31 35 74 65 9 15 40 0 0 1 126 0 192 0 4 11 1800 27 31 33 89 70 11 16 41 0 0 1 126 0 192 0 4 11 1900 26 30 32 85 77 12 18 42 0 0 1 126 0 192 0 4 11 2000 25 30 29 88 74 14 21 43 0 0 1 126 0 192 0 4 11 2100 26 27 29 87 64 10 20 42 0 0 1 126 0 192 0 4 11 2200 26 27 28 86 66 2 4 40 0 0 1 126 0 192 0 4 11 2300 26 31 27 88 60 4 8 39 0 0 1 126 0 191 0 4 12 0 26 30 26 88 62 5 11 38 0 0 1 126 0 191 0 4 12 100 26 28 26 89 58 4 8 38 0 0 1 126 0 191 0 4 12 200 26 30 25 91 56 4 8 36 0 0 1 126 0 191 0 4 12 300 26 30 24 90 51 4 8 35 0 0 1 126 0 191 0 4 12 400 26 28 24 90 48 3 6 33 0 0 1 126 0 191 0 Total Prec. 3100' ------------------------------------------------------------------------ 0 Page 1 4-12-2021 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 Lysim Lysim Lysim PST F F F % Avg Max Dir Prec. Prec. Snow Snow mb H2O Total deg F 3760' 3770' 3010' 3010' 3760' 3760' 3760' 3010' 3010' 3010' 3010' 3010' 3010' 3010' 3010' ------------------------------------------------------------------------------------------------------ 4 11 500 23 22 17 93 7 11 243 0 0 3 116 1024 .002 .002 32 4 11 600 23 22 16 94 4 7 231 0 0 3 115 1025 .002 .004 32 4 11 700 25 24 18 94 2 5 194 0 0 3 116 1025 .002 .006 32 4 11 800 26 24 27 84 2 6 172 0 0 3 116 1025 .002 .008 32 4 11 900 27 27 42 50 3 6 210 0 0 2 115 1024 .002 .01 32 4 11 1000 27 30 40 52 5 7 211 0 0 2 115 1024 .002 .012 32 4 11 1100 30 35 41 50 6 11 223 0 0 2 115 1024 .002 .014 32 4 11 1200 33 37 48 34 5 10 243 0 0 2 115 1024 .002 .016 32 4 11 1300 35 38 45 37 9 20 226 0 0 1 115 1024 .002 .018 32 4 11 1400 35 39 43 40 9 17 253 0 0 0 115 1023 .002 .02 32 4 11 1500 36 40 45 50 7 12 246 0 0 0 115 1023 .002 .022 32 4 11 1600 38 39 43 53 8 16 237 0 0 0 114 1023 .002 .024 32 4 11 1700 37 38 40 55 10 16 276 0 0 0 114 1023 .002 .026 32 4 11 1800 37 37 36 74 10 16 296 0 0 0 115 1023 .002 .028 32 4 11 1900 34 33 31 90 6 11 -7999 0 0 0 115 1023 .002 .03 32 4 11 2000 33 31 29 96 9 11 210 0 0 0 115 1024 .002 .032 32 4 11 2100 31 30 29 95 5 9 209 0 0 0 115 1024 .002 .034 32 4 11 2200 31 31 27 96 1 5 226 0 0 0 115 1024 .002 .036 32 4 11 2300 32 30 27 97 0 1 188 0 0 0 115 1024 .002 .038 32 4 12 0 33 30 25 96 3 6 101 0 0 0 115 1024 .003 .041 32 4 12 100 32 31 25 97 5 6 86 0 0 0 115 1024 .003 .044 32 4 12 200 34 30 24 96 4 7 103 0 0 0 115 1024 .003 .047 32 4 12 300 32 29 24 94 7 11 103 0 0 0 115 1024 .004 .051 32 4 12 400 30 29 23 95 10 11 108 0 0 0 115 1024 .004 .055 32 Total Lysim Prec. Total 3010' 3010' ------------------------------------------------------------------------------------------------ 0 .055 Page 1 4-12-2021 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' ------------------------------------------------------------ 4 11 500 19 49 15 0 0 0 9 1021 4 11 600 19 47 16 0 0 0 9 1021 4 11 700 31 33 41 0 0 -0 10 1021 4 11 800 33 23 50 0 0 -0 9 1021 4 11 900 34 22 51 0 0 0 0 1021 4 11 1000 34 21 51 0 0 -0 0 1022 4 11 1100 36 18 51 0 0 0 3 1021 4 11 1200 39 17 51 0 0 0 0 1021 4 11 1300 40 16 53 0 0 0 8 1021 4 11 1400 42 15 54 0 0 -0 7 1021 4 11 1500 42 15 54 0 0 0 8 1021 4 11 1600 41 16 51 0 0 0 8 1020 4 11 1700 39 18 41 0 0 0 0 1020 4 11 1800 37 23 37 0 0 0 7 1020 4 11 1900 32 31 31 0 0 0 0 1021 4 11 2000 30 40 28 0 0 0 0 1021 4 11 2100 28 48 25 0 0 0 0 1022 4 11 2200 27 51 24 0 0 0 -0 1022 4 11 2300 27 52 24 0 0 0 -0 1022 4 12 0 26 58 23 0 0 0 -0 1022 4 12 100 26 52 24 0 0 0 -0 1022 4 12 200 26 48 24 0 0 0 -0 1022 4 12 300 26 46 24 0 0 0 0 1022 4 12 400 26 47 23 0 0 0 0 1022 Total Prec. 4100' ------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------------------ 4 11 500 13 15 19 51 71 10 14 26 0 0 2 37 4 11 600 14 16 19 49 70 12 16 30 0 0 2 37 4 11 700 16 19 21 45 66 10 13 28 0 0 2 37 4 11 800 19 25 28 39 50 3 11 354 0 0 2 36 4 11 900 21 28 30 37 43 6 16 27 0 0 2 37 4 11 1000 21 27 31 39 46 8 16 20 0 0 2 37 4 11 1100 22 29 32 41 45 9 19 40 0 0 2 38 4 11 1200 23 30 33 37 39 10 17 31 0 0 2 37 4 11 1300 24 31 34 33 36 13 21 43 0 0 2 37 4 11 1400 25 32 35 30 34 12 21 36 0 0 2 37 4 11 1500 26 32 36 29 36 10 25 27 0 0 2 37 4 11 1600 26 32 37 31 38 9 17 22 0 0 2 37 4 11 1700 26 31 35 32 47 6 13 14 0 0 2 38 4 11 1800 27 28 31 32 61 1 9 318 0 0 2 38 4 11 1900 25 25 29 51 64 6 12 240 0 0 2 37 4 11 2000 23 24 28 54 72 6 10 223 0 0 2 37 4 11 2100 22 25 27 45 67 2 7 222 0 0 2 37 4 11 2200 22 23 27 43 69 3 10 267 0 0 2 38 4 11 2300 21 22 26 48 68 8 14 51 0 0 2 37 4 12 0 20 22 25 63 76 10 13 40 0 0 2 37 4 12 100 20 21 25 54 75 12 21 53 0 0 2 37 4 12 200 19 21 24 58 75 17 24 44 0 0 2 37 4 12 300 18 20 24 61 76 16 21 48 0 0 2 37 4 12 400 18 20 23 61 77 16 20 45 0 0 2 39 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 4-12-2021 Northwest Avalanche Center Crystal Mountain Ski Area, Washington MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total SR50 PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow Snow 6830' 4540' 6830' 4540' 6830' 6830' 6830' 6830' 4540' 4540' 4540' 4540' 4540' ------------------------------------------------------------------------------------------ 4 11 500 10 12 93 92 13 15 16 303 0 0 2 228 96 4 11 600 11 14 94 92 13 15 18 308 0 0 3 227 96 4 11 700 12 14 94 91 11 14 17 311 0 0 3 227 96 4 11 800 15 20 95 90 6 10 22 339 0 0 0 226 95 4 11 900 20 27 96 76 2 6 13 14 0 0 0 224 95 4 11 1000 23 34 97 65 0 1 8 27 0 0 0 220 95 4 11 1100 24 35 98 62 0 1 4 64 0 0 0 215 94 4 11 1200 26 35 98 50 0 1 4 92 0 0 0 212 95 4 11 1300 25 33 98 59 0 2 9 276 0 0 0 219 94 4 11 1400 25 33 98 59 0 4 14 302 0 0 0 221 94 4 11 1500 26 34 98 59 0 6 11 309 0 0 -0 220 94 4 11 1600 27 34 98 59 1 10 16 285 0 0 -0 221 93 4 11 1700 27 34 98 66 0 10 17 291 0 0 -0 221 93 4 11 1800 25 28 98 86 5 10 15 287 0 0 -0 224 93 4 11 1900 22 26 97 92 1 6 12 316 0 0 -0 225 93 4 11 2000 21 24 97 90 0 3 12 68 0 0 -0 225 93 4 11 2100 23 22 98 92 11 14 18 119 0 0 -0 226 93 4 11 2200 23 21 98 93 12 18 21 110 0 0 -0 226 93 4 11 2300 22 21 97 94 10 17 21 117 0 0 -0 226 93 4 12 0 22 20 98 94 11 15 20 108 0 0 -0 226 93 4 12 100 22 20 97 94 8 13 18 109 0 0 -0 226 93 4 12 200 22 19 97 93 7 13 18 101 0 0 -0 226 93 4 12 300 22 19 97 92 8 13 18 98 0 0 -0 226 93 4 12 400 21 18 97 94 9 14 23 90 0 0 -0 226 93 Total Prec. 4540' ------------------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 10 9 2 139 2 129 4 11 600 11 10 2 139 2 129 4 11 700 14 15 2 139 1 129 4 11 800 18 26 -0 139 0 129 4 11 900 21 27 -0 138 0 129 4 11 1000 25 29 -0 138 -108 128 4 11 1100 30 26 -0 137 0 128 4 11 1200 29 31 -0 137 -110 128 4 11 1300 30 35 -0 137 -112 127 4 11 1400 29 34 -0 137 -0 127 4 11 1500 28 33 -0 136 -0 126 4 11 1600 27 32 -0 137 -0 126 4 11 1700 25 27 -0 137 0 126 4 11 1800 23 25 -0 137 0 126 4 11 1900 21 22 -0 137 0 126 4 11 2000 20 20 -0 137 0 126 4 11 2100 21 20 -0 137 0 126 4 11 2200 22 22 -0 137 0 126 4 11 2300 21 22 -0 137 0 126 4 12 0 20 21 -0 137 0 126 4 12 100 19 20 -0 137 0 126 4 12 200 21 20 -0 137 0 126 4 12 300 21 20 -0 137 0 126 4 12 400 20 21 -0 136 0 126 Page 1 4-12-2021 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' ------------------------------------------------------------------------------ 4 11 500 12 16 92 67 8 12 332 14 0 0 175 4 11 600 13 16 89 57 10 15 331 15 0 0 175 4 11 700 15 18 83 55 10 16 306 24 0 0 175 4 11 800 17 20 79 56 7 11 337 24 0 0 175 4 11 900 20 22 75 44 4 11 14 31 0 0 175 4 11 1000 21 24 67 43 0 0 298 43 .05 .05 174 4 11 1100 24 26 81 47 3 10 292 47 .05 .1 175 4 11 1200 27 30 73 38 8 12 271 53 .07 .17 174 4 11 1300 28 32 71 34 10 14 274 56 0 .17 173 4 11 1400 29 30 79 48 13 19 289 46 0 .17 173 4 11 1500 29 31 82 51 14 18 290 44 0 .17 174 4 11 1600 29 30 81 55 13 17 291 49 0 .17 174 4 11 1700 27 28 85 64 16 19 289 32 0 .17 174 4 11 1800 25 27 87 67 17 21 291 27 0 .17 174 4 11 1900 23 26 90 69 15 22 306 25 0 .17 174 4 11 2000 23 25 88 71 7 12 319 24 0 .17 174 4 11 2100 23 25 88 70 1 4 3 22 0 .17 174 4 11 2200 21 24 90 73 4 9 83 21 0 .17 174 4 11 2300 22 23 86 74 6 13 97 20 0 .17 174 4 12 0 22 23 81 70 2 5 77 19 0 .17 174 4 12 100 22 23 77 65 3 8 92 19 0 .17 174 4 12 200 22 24 70 54 3 8 95 19 0 .17 174 4 12 300 23 24 66 51 2 6 81 19 0 .17 174 4 12 400 22 24 65 51 3 5 75 21 0 .17 174 Total Prec. 5500' ------------------------------------------------------------------------ .17 Page 1 4-12-2021 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' ------------------------------------------------------------ 4 11 500 10 11 83 73 6 16 15 103 4 11 600 12 12 69 69 8 16 19 103 4 11 700 18 17 52 63 7 16 19 102 4 11 800 20 19 56 64 5 11 10 102 4 11 900 22 23 60 61 3 10 11 101 4 11 1000 25 27 29 54 3 6 305 100 4 11 1100 29 25 57 61 2 8 200 101 4 11 1200 29 30 58 56 2 7 108 100 4 11 1300 33 29 57 66 3 7 15 101 4 11 1400 33 29 60 67 5 10 7 101 4 11 1500 30 28 69 71 4 10 17 101 4 11 1600 28 27 74 73 6 9 347 102 4 11 1700 27 25 77 76 5 12 14 102 4 11 1800 22 22 89 84 2 8 42 102 4 11 1900 19 20 96 87 3 11 39 102 4 11 2000 19 18 99 94 8 14 182 103 4 11 2100 20 17 94 94 13 16 189 103 4 11 2200 20 20 90 84 15 18 182 102 4 11 2300 20 20 74 67 14 18 178 103 4 12 0 19 19 70 67 14 17 180 103 4 12 100 19 19 65 65 14 18 182 103 4 12 200 19 18 57 61 13 17 188 103 4 12 300 19 18 55 57 12 15 191 103 4 12 400 19 18 54 56 12 16 184 103 Page 1 4-12-2021 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' ------------------------------------------------------------------------ 4 11 500 19 93 0 3 99 0 0 47 208 0 4 11 600 15 91 0 1 83 0 0 -0 208 21 4 11 700 16 94 0 3 51 0 0 -0 208 261 4 11 800 22 78 1 6 88 0 0 1 208 440 4 11 900 26 73 3 8 106 0 0 1 207 592 4 11 1000 27 68 2 6 98 0 0 1 207 824 4 11 1100 26 76 3 7 67 0 0 1 207 1023 4 11 1200 29 76 6 11 313 0 0 1 206 795 4 11 1300 31 72 7 11 140 0 0 -0 205 689 4 11 1400 31 74 7 11 264 0 0 -0 205 677 4 11 1500 32 71 7 12 2 0 0 -0 204 976 4 11 1600 32 69 5 11 309 0 0 -0 203 633 4 11 1700 32 76 6 9 326 0 0 -0 203 378 4 11 1800 28 83 6 9 290 0 0 0 204 138 4 11 1900 26 89 3 6 284 0 0 0 204 5 4 11 2000 26 87 0 2 354 0 0 0 204 0 4 11 2100 25 87 0 4 48 0 0 0 204 0 4 11 2200 26 77 0 3 32 0 0 0 204 0 4 11 2300 25 62 0 4 49 0 0 0 204 0 4 12 0 24 57 1 4 35 0 0 0 204 0 4 12 100 25 51 1 4 62 0 0 0 204 0 4 12 200 25 48 2 6 67 0 0 0 204 0 4 12 300 25 47 2 6 44 0 0 0 204 0 4 12 400 25 45 2 6 42 0 0 0 204 0 Total Prec. 5400' ------------------------------------------------------ 0 Page 1 4-12-2021 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' --------------------------------------------------------------- 4 11 500 19 39 11 19 34 4 0 4 11 600 17 34 4 14 24 10 10 4 11 700 17 38 5 12 21 33 110 4 11 800 18 39 5 12 29 272 335 4 11 900 14 37 3 9 22 195 539 4 11 1000 21 33 2 9 18 198 718 4 11 1100 19 34 2 8 21 126 857 4 11 1200 18 44 4 9 17 130 944 4 11 1300 19 45 2 6 10 119 972 4 11 1400 17 44 3 7 15 86 935 4 11 1500 15 50 4 9 15 89 831 4 11 1600 15 45 1 7 17 87 672 4 11 1700 14 42 4 11 18 82 473 4 11 1800 14 36 4 9 18 60 138 4 11 1900 12 49 2 6 14 101 14 4 11 2000 12 40 2 5 9 63 0 4 11 2100 15 20 4 8 17 98 0 4 11 2200 16 17 2 7 13 100 0 4 11 2300 17 14 4 9 18 66 0 4 12 0 18 9 0 6 15 51 0 4 12 100 20 9 1 13 20 66 0 4 12 200 16 18 2 10 19 73 0 4 12 300 18 14 0 1 5 303 0 4 12 400 18 13 0 4 10 282 0 Page 1 4-12-2021 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' 4500' 5800' 4500' 5970' 5970' 5970' 5970' 5800' 5800' 5800' ------------------------------------------------------------------------------ 4 11 500 14 15 94 92 5 11 18 313 0 0 147 4 11 600 13 14 94 90 1 5 13 342 0 0 147 4 11 700 16 20 94 77 1 5 8 62 0 0 147 4 11 800 26 27 92 52 1 5 9 99 0 0 147 4 11 900 24 29 90 46 4 7 12 106 0 0 146 4 11 1000 30 33 75 36 0 5 11 100 0 0 145 4 11 1100 33 36 57 36 0 4 8 84 0 0 145 4 11 1200 36 41 64 35 0 3 8 13 0 0 145 4 11 1300 36 39 69 49 3 9 18 290 0 0 145 4 11 1400 35 39 71 48 5 15 23 288 0 0 145 4 11 1500 34 40 73 49 8 14 20 288 0 0 145 4 11 1600 33 40 76 49 8 14 21 287 0 0 145 4 11 1700 33 42 78 45 5 12 18 290 0 0 145 4 11 1800 31 41 84 51 7 11 16 293 0 0 145 4 11 1900 28 35 86 69 0 5 13 21 0 0 145 4 11 2000 24 30 85 62 3 8 14 99 0 0 145 4 11 2100 22 28 83 64 10 13 18 109 0 0 146 4 11 2200 21 26 82 64 11 15 20 109 0 0 146 4 11 2300 20 25 83 64 13 17 21 112 0 0 146 4 12 0 18 24 84 69 9 13 16 121 0 0 146 4 12 100 19 22 79 68 11 14 19 125 0 0 146 4 12 200 20 21 75 71 15 18 22 121 0 0 145 4 12 300 20 21 74 68 13 16 19 112 0 0 146 4 12 400 20 22 74 66 14 16 19 109 0 0 145 Total Prec. 5800' ------------------------------------------------------------------------ 0 Page 1 4-12-2021 Northwest Avalanche Center Washington Department of Transportation WSDOT White Pass Station, Washington MM/DD Hour Temp RH Press Wind Wind Hour Total 24 Hr Total Snow DewPt PST F % mb Avg Dir Prec Prec Snow Snow TempC TempC 4320' 4320' 4320' 4320' 4320' 4320' 4320' 4320' 4320' 4320' 4320 ------------------------------------------------------------------------------ 4 11 500 94 0 1022 1383 -7999 0 0 -12 -7999 329 4 11 600 92 0 1023 1383 -7999 0 0 -11 -7999 38 4 11 700 86 0 1023 1378 -7999 0 0 -9 -7999 27 4 11 800 63 0 1022 1370 -7999 0 0 -8 -7999 68 4 11 900 38 0 1022 1364 -7999 0 0 -12 -7999 142 4 11 1000 37 2 1022 1357 -7999 0 0 -11 -7999 179 4 11 1100 35 3 1022 1352 -7999 0 0 -11 -7999 209 4 11 1200 46 3 1022 1358 -7999 0 0 -7 -7999 4 4 11 1300 49 3 1021 1362 -7999 0 0 -6 -7999 142 4 11 1400 44 3 1021 1370 -7999 0 0 -6 -7999 218 4 11 1500 45 2 1021 1373 -7999 0 0 -6 -7999 48 4 11 1600 47 2 1021 1372 -7999 0 0 -5 -7999 90 4 11 1700 57 1 1021 1377 -7999 0 0 -4 -7999 280 4 11 1800 76 0 1021 1382 -7999 0 0 -3 -7999 332 4 11 1900 83 0 1022 1383 -7999 0 0 -2 -7999 321 4 11 2000 80 0 1022 1388 -7999 0 0 -5 -7999 322 4 11 2100 79 0 1022 1389 -7999 0 0 -6 -7999 355 4 11 2200 78 0 1023 1392 -7999 0 0 -6 -7999 335 4 11 2300 82 0 1023 1392 -7999 0 0 -6 -7999 353 4 12 0 85 0 1023 1396 -7999 0 0 -7 -7999 310 4 12 100 87 0 1023 1397 -7999 0 0 -8 -7999 285 4 12 200 89 0 1023 1401 -7999 0 0 -8 -7999 316 4 12 300 91 0 1023 1400 -7999 0 0 -8 -7999 315 4 12 400 84 0 1023 1399 -7999 0 0 -9 -7999 348 Total Prec 4320' ------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------ Total Prec. 3260' ------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------------------------------ 4 11 500 15 90 -0 -0 0 203 0 0 0 182 4 11 600 15 91 -0 -0 0 198 0 0 0 182 4 11 700 20 87 -0 0 0 216 0 0 0 182 4 11 800 22 89 -0 0 0 290 0 0 0 181 4 11 900 25 84 -0 0 3 313 0 0 0 181 4 11 1000 30 82 -0 0 4 321 0 0 0 181 4 11 1100 32 75 -0 0 5 314 0 0 1 181 4 11 1200 35 75 -0 0 4 1 0 0 0 181 4 11 1300 36 73 -0 0 3 54 0 0 0 181 4 11 1400 39 62 -0 0 3 0 0 0 -0 181 4 11 1500 40 70 -0 0 4 90 0 0 -0 181 4 11 1600 38 69 -0 0 8 106 0 0 -0 180 4 11 1700 35 72 -0 0 8 96 0 0 -0 180 4 11 1800 34 69 -0 1 4 126 0 0 -0 181 4 11 1900 28 88 -0 0 1 73 0 0 -0 181 4 11 2000 28 68 -0 0 6 293 0 0 -0 181 4 11 2100 27 67 -0 1 10 278 0 0 -0 181 4 11 2200 26 66 -0 3 15 293 0 0 -0 181 4 11 2300 25 65 -0 3 15 291 0 0 -0 181 4 12 0 26 50 -0 7 27 288 0 0 -0 181 4 12 100 26 42 -0 4 31 295 0 0 -0 181 4 12 200 26 41 -0 7 26 303 0 0 -0 181 4 12 300 26 40 -0 7 22 299 0 0 -0 181 4 12 400 25 41 -0 6 28 299 0 0 -0 181 Total Prec. 5880' ------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 12 90 0 0 2 240 4 11 600 12 91 0 0 2 225 4 11 700 16 90 0 0 3 221 4 11 800 19 86 0 2 16 -7999 4 11 900 20 87 0 6 16 -7999 4 11 1000 25 84 0 7 14 23 4 11 1100 29 87 0 6 14 -7999 4 11 1200 31 86 0 7 15 -7999 4 11 1300 30 80 0 7 15 -7999 4 11 1400 30 77 0 5 12 -7999 4 11 1500 32 88 0 1 6 -7999 4 11 1600 34 87 0 1 6 326 4 11 1700 34 88 0 2 9 251 4 11 1800 31 91 2 6 9 269 4 11 1900 27 86 0 0 4 255 4 11 2000 23 87 0 2 6 214 4 11 2100 23 84 0 2 6 311 4 11 2200 23 66 0 3 10 269 4 11 2300 23 79 0 7 16 129 4 12 0 23 56 0 7 15 313 4 12 100 25 52 0 4 10 248 4 12 200 23 47 0 8 36 271 Page 1 4-12-2021 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' ------------------------------------------------------------------------------------ 4 11 500 12 15 75 90 0 4 242 0 0 0 147 1019 4 11 600 13 16 77 90 5 8 246 0 0 0 147 1019 4 11 700 15 20 76 86 1 5 245 0 0 0 146 1019 4 11 800 17 24 75 86 0 4 142 0 0 0 146 1019 4 11 900 20 26 70 81 4 11 95 0 0 0 146 1019 4 11 1000 24 29 67 74 8 13 127 0 0 0 146 1019 4 11 1100 27 35 55 69 9 17 75 0 0 -0 146 1019 4 11 1200 29 38 51 50 8 16 356 0 0 0 145 1019 4 11 1300 31 36 43 58 3 12 346 0 0 0 145 1019 4 11 1400 31 38 49 42 2 6 195 0 0 0 145 1019 4 11 1500 32 37 52 47 1 7 177 0 0 0 145 1019 4 11 1600 30 36 66 54 2 8 158 0 0 0 145 1019 4 11 1700 28 34 67 53 0 3 178 0 0 0 145 1019 4 11 1800 27 32 62 57 0 4 69 0 0 0 145 1019 4 11 1900 25 30 65 54 0 5 41 0 0 0 146 1019 4 11 2000 24 28 62 68 8 15 40 0 0 0 145 1019 4 11 2100 23 28 62 61 10 20 33 0 0 0 146 1019 4 11 2200 21 27 64 62 11 17 56 0 0 0 146 1020 4 11 2300 20 26 65 60 13 22 -36 0 0 0 146 1020 4 12 0 21 27 50 44 19 26 41 0 0 0 146 1019 4 12 100 21 28 42 37 22 30 -10 0 0 0 146 1019 4 12 200 21 28 41 35 20 28 329 0 0 0 146 1019 4 12 300 21 27 42 36 21 31 353 0 0 0 145 1019 4 12 400 20 27 44 35 23 33 49 0 0 0 146 1019 Total Prec. 5380' ------------------------------------------------------------------ 0 Page 1 4-12-2021 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' ------------------------------------------------ 4 11 500 10 89 0 0 0 218 4 11 600 14 92 0 0 0 227 4 11 700 21 94 0 0 0 224 4 11 800 17 92 0 0 0 173 4 11 900 17 93 0 0 5 208 4 11 1000 20 93 0 4 10 224 4 11 1100 21 84 0 6 13 148 4 11 1200 22 73 0 9 14 229 4 11 1300 24 57 0 2 10 239 4 11 1400 29 63 0 0 2 159 4 11 1500 29 69 0 0 4 124 4 11 1600 31 82 0 4 12 142 4 11 1700 29 84 2 7 13 141 4 11 1800 26 76 0 5 15 117 4 11 1900 25 84 0 0 8 114 4 11 2000 21 77 0 6 17 261 4 11 2100 21 76 6 14 28 310 4 11 2200 22 63 12 18 26 312 4 11 2300 21 64 12 20 27 313 4 12 0 19 57 16 27 40 310 4 12 100 19 46 21 35 47 313 4 12 200 19 45 17 30 42 302 4 12 300 18 46 27 35 48 316 4 12 400 18 48 23 36 47 302 Page 1 4-12-2021 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' ------------------------------------------------------------------------------ 4 11 500 23 19 94 93 4 7 10 321 0 0 90 4 11 600 23 18 93 93 3 8 11 337 0 0 90 4 11 700 24 20 92 94 1 6 10 337 0 0 90 4 11 800 25 25 90 95 0 2 4 116 0 0 90 4 11 900 26 30 92 89 0 4 8 110 0 0 90 4 11 1000 28 35 88 73 1 4 11 137 0 0 89 4 11 1100 29 41 86 62 0 5 15 121 0 0 88 4 11 1200 30 41 89 58 0 3 10 76 0 0 89 4 11 1300 31 41 90 59 0 3 6 59 0 0 89 4 11 1400 31 41 91 64 0 2 7 355 0 0 88 4 11 1500 33 42 91 63 0 2 5 259 0 0 88 4 11 1600 33 43 88 60 0 4 8 267 0 0 88 4 11 1700 33 41 90 63 1 5 9 258 0 0 88 4 11 1800 33 37 87 77 2 5 9 251 0 0 88 4 11 1900 32 33 89 88 0 4 7 267 0 0 88 4 11 2000 31 30 92 90 0 4 11 133 0 0 88 4 11 2100 31 29 87 91 4 11 17 88 0 0 88 4 11 2200 29 31 86 75 9 15 20 92 0 0 88 4 11 2300 29 31 82 69 10 17 26 96 0 0 88 4 12 0 28 32 79 52 13 22 32 91 0 0 88 4 12 100 28 32 71 49 17 26 33 85 0 0 88 4 12 200 27 33 69 44 15 26 36 91 0 0 89 4 12 300 27 32 68 42 16 26 34 95 0 0 89 4 12 400 26 32 67 41 12 24 32 99 0 0 89 Total Prec. 3660' ------------------------------------------------------------------------ 0 Page 1