12-9-2018 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' ------------------------------------------------------------------ 12 8 500 31 98 5 12 20 165 0 0 7 12 8 600 31 98 7 11 17 162 0 0 7 12 8 700 31 97 6 12 18 157 0 0 7 12 8 800 31 97 7 12 19 166 0 0 7 12 8 900 31 95 8 13 18 163 0 0 7 12 8 1000 33 91 8 12 18 159 0 0 7 12 8 1100 34 87 7 11 17 160 0 0 7 12 8 1200 35 85 6 10 16 160 0 0 7 12 8 1300 34 85 4 8 13 166 0 0 7 12 8 1400 33 88 4 7 11 160 0 0 7 12 8 1500 33 88 0 6 10 157 0 0 7 12 8 1600 31 92 1 6 11 159 0 0 7 12 8 1700 30 93 5 9 16 162 0 0 7 12 8 1800 30 92 8 14 22 165 0 0 7 12 8 1900 30 91 8 14 21 161 0 0 7 12 8 2000 31 87 8 14 24 160 0 0 7 12 8 2100 31 87 10 16 25 158 0 0 7 12 8 2200 32 78 7 14 30 170 0 0 7 12 8 2300 33 75 12 21 32 172 0 0 7 12 9 0 34 83 13 22 35 170 0 0 7 12 9 100 35 90 12 19 29 168 0 0 7 12 9 200 36 95 9 18 30 167 0 0 7 12 9 300 35 96 9 18 36 163 0 0 7 12 9 400 36 97 9 19 31 160 0 0 7 Total Prec. 5250' ------------------------------------------------------------ 0 Page 1 12-9-2018 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' ------------------------------------------------------------------------------------ 12 8 500 30 35 90 77 13 20 29 217 0 0 0 12 12 8 600 28 32 100 94 9 17 24 235 0 0 0 12 12 8 700 29 32 100 98 11 17 26 229 0 0 0 10 12 8 800 30 33 100 97 11 17 25 226 .01 .01 0 11 12 8 900 30 33 100 98 8 13 17 238 .03 .04 0 11 12 8 1000 30 33 100 97 9 15 20 245 .02 .06 0 12 12 8 1100 31 34 100 96 12 17 27 219 .01 .07 0 13 12 8 1200 31 34 100 97 13 19 28 217 .01 .08 0 13 12 8 1300 31 34 100 96 12 18 27 219 0 .08 0 13 12 8 1400 32 34 100 96 11 17 25 219 0 .08 0 13 12 8 1500 31 34 100 97 10 16 21 225 .01 .09 0 13 12 8 1600 31 34 100 96 13 18 24 225 0 .09 0 13 12 8 1700 31 35 100 93 8 17 25 232 0 .09 0 13 12 8 1800 31 35 100 92 6 18 28 233 .01 .1 0 13 12 8 1900 30 35 100 91 5 13 20 224 0 .1 0 13 12 8 2000 31 35 100 85 6 13 21 219 0 .1 0 13 12 8 2100 31 36 100 82 11 20 28 230 0 .1 0 13 12 8 2200 31 36 100 76 18 23 29 234 0 .1 0 13 12 8 2300 31 36 100 74 17 25 32 228 0 .1 0 13 12 9 0 32 36 96 76 15 23 30 229 0 .1 0 13 12 9 100 31 36 92 69 5 21 35 221 0 .1 0 14 12 9 200 33 37 80 66 5 15 36 222 0 .1 0 13 12 9 300 33 36 77 68 6 21 37 228 0 .1 0 13 12 9 400 33 37 78 64 4 12 25 233 0 .1 0 14 Total Prec. 4210' ------------------------------------------------------------------------ .1 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Washington Pass, Washington Wind gages unheated and may rime 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' ------------------------------------------------------------------------------ 12 8 500 24 8 86 84 8 12 227 33 0 0 17 12 8 600 25 9 86 85 8 12 229 35 0 0 17 12 8 700 25 9 88 84 7 9 239 35 0 0 17 12 8 800 25 10 89 84 7 9 238 38 0 0 17 12 8 900 26 11 89 85 7 10 235 37 0 0 16 12 8 1000 27 13 87 85 7 11 235 41 0 0 16 12 8 1100 27 15 87 83 8 10 232 42 0 0 16 12 8 1200 27 15 88 84 8 9 243 42 0 0 16 12 8 1300 27 16 85 83 5 9 224 44 0 0 16 12 8 1400 27 16 87 83 7 10 240 44 0 0 16 12 8 1500 27 16 88 85 5 8 245 44 0 0 16 12 8 1600 24 14 89 85 4 6 232 39 0 0 16 12 8 1700 25 12 90 85 5 8 235 38 0 0 16 12 8 1800 25 10 88 85 6 9 226 35 0 0 16 12 8 1900 24 11 86 87 7 10 184 37 0 0 16 12 8 2000 24 12 86 86 10 13 184 37 0 0 16 12 8 2100 22 12 90 87 6 13 183 38 0 0 16 12 8 2200 22 13 85 87 6 10 193 37 0 0 16 12 8 2300 15 13 96 88 4 8 198 38 0 0 17 12 9 0 15 13 96 87 3 9 265 39 0 0 17 12 9 100 22 14 91 87 6 12 220 38 0 0 17 12 9 200 19 14 97 87 5 9 244 39 0 0 17 12 9 300 11 14 98 88 3 9 225 39 0 0 16 12 9 400 21 15 97 88 4 8 234 39 0 0 17 Total Prec. 5450' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 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' ------------------------------------------------------------------------ 12 8 500 21 77 0 0 0 0 0 0 3 5 12 8 600 21 79 0 0 0 0 0 0 3 5 12 8 700 22 76 0 0 0 0 0 0 3 5 12 8 800 22 79 5 0 0 0 0 0 3 5 12 8 900 23 76 51 0 0 0 0 0 3 5 12 8 1000 26 69 61 0 0 0 0 0 3 4 12 8 1100 28 56 76 0 2 210 0 0 3 4 12 8 1200 30 57 82 0 0 226 0 0 3 5 12 8 1300 29 59 42 0 0 0 0 0 3 5 12 8 1400 29 61 51 0 0 0 0 0 3 5 12 8 1500 29 62 24 0 3 88 0 0 3 5 12 8 1600 28 64 2 0 2 83 0 0 3 5 12 8 1700 25 74 0 0 0 0 0 0 3 5 12 8 1800 23 81 0 0 0 0 0 0 3 5 12 8 1900 25 73 0 0 3 298 0 0 3 5 12 8 2000 25 73 0 0 3 318 0 0 3 5 12 8 2100 25 73 0 0 2 331 0 0 3 5 12 8 2200 25 74 0 0 2 323 0 0 3 5 12 8 2300 25 78 0 0 0 0 0 0 3 5 12 9 0 25 78 0 0 0 0 0 0 3 5 12 9 100 25 81 0 0 1 9 0 0 3 5 12 9 200 25 81 0 0 0 0 0 0 3 5 12 9 300 24 82 0 0 0 116 0 0 3 5 12 9 400 25 83 0 0 2 49 0 0 3 5 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Tye Mill (5180'), Skyline (5250') 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' ------------------------------------------------ 12 8 500 13 14 0 0 0 0 12 8 600 13 14 0 0 0 0 12 8 700 13 15 0 0 0 0 12 8 800 13 16 0 0 0 0 12 8 900 14 16 0 0 0 0 12 8 1000 16 16 0 0 0 0 12 8 1100 17 18 0 0 0 0 12 8 1200 18 18 0 0 0 0 12 8 1300 18 20 0 0 0 0 12 8 1400 18 23 0 6 11 91 12 8 1500 18 22 4 7 10 89 12 8 1600 17 19 6 8 10 95 12 8 1700 17 19 4 6 9 95 12 8 1800 16 18 4 6 9 90 12 8 1900 16 17 4 6 8 92 12 8 2000 16 17 4 5 8 89 12 8 2100 16 17 3 4 6 90 12 8 2200 16 17 2 4 6 92 12 8 2300 16 17 0 4 8 89 12 9 0 16 17 2 4 7 96 12 9 100 16 18 4 8 13 100 12 9 200 16 17 3 8 12 99 12 9 300 16 17 4 6 10 97 12 9 400 16 18 4 6 8 96 Page 1 12-9-2018 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' ------------------------------------------------------ 12 8 500 19 87 0 0 0 16 1022 12 8 600 18 87 0 0 0 16 1023 12 8 700 19 87 0 0 0 16 1023 12 8 800 19 89 0 0 0 16 1023 12 8 900 19 89 0 0 0 16 1024 12 8 1000 21 85 0 0 0 16 1025 12 8 1100 22 84 0 0 0 16 1024 12 8 1200 22 84 0 0 0 16 1024 12 8 1300 23 83 0 0 0 15 1025 12 8 1400 23 83 0 0 0 16 1025 12 8 1500 23 83 0 0 0 15 1024 12 8 1600 23 85 0 0 0 15 1025 12 8 1700 22 86 0 0 0 15 1025 12 8 1800 22 86 0 0 0 16 1025 12 8 1900 22 89 0 0 0 15 1025 12 8 2000 22 87 0 0 0 15 1025 12 8 2100 22 86 0 0 0 16 1025 12 8 2200 22 86 0 0 0 15 1024 12 8 2300 23 84 0 0 0 15 1024 12 9 0 22 86 0 0 0 15 1025 12 9 100 22 86 0 0 0 15 1024 12 9 200 22 85 0 0 0 15 1024 12 9 300 22 86 0 0 0 16 1024 12 9 400 21 87 0 0 0 15 1023 Total Prec. 3950' ------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Stevens Pass Ski Area Brooks Chair Stevens Pass, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total PST F % Avg Max Dir Prec. Prec. Snow Snow 4850' 4850' 4850' 4850' 4850' 4800' 4800' 4800' 4800' ------------------------------------------------------------------ 12 8 500 15 92 13 20 54 0 0 1 25 12 8 600 15 92 13 20 53 0 0 1 25 12 8 700 15 92 14 20 50 0 0 1 25 12 8 800 16 93 13 20 52 0 0 1 25 12 8 900 16 92 14 21 47 0 0 1 24 12 8 1000 16 92 13 20 50 0 0 1 24 12 8 1100 17 92 13 18 53 0 0 1 23 12 8 1200 18 92 13 18 51 0 0 1 25 12 8 1300 19 92 12 17 49 0 0 1 24 12 8 1400 19 92 13 18 49 0 0 1 25 12 8 1500 19 93 11 17 54 0 0 1 24 12 8 1600 18 94 12 19 55 0 0 1 25 12 8 1700 18 96 14 19 59 0 0 1 24 12 8 1800 18 97 13 19 69 0 0 1 24 12 8 1900 18 98 12 17 70 0 0 1 24 12 8 2000 18 97 10 20 69 0 0 1 24 12 8 2100 18 96 11 17 60 0 0 1 24 12 8 2200 18 97 12 18 55 0 0 1 24 12 8 2300 18 97 12 18 55 0 0 1 24 12 9 0 19 96 10 18 68 0 0 1 25 12 9 100 18 95 12 16 67 0 0 1 24 12 9 200 18 97 14 21 64 0 0 1 25 12 9 300 18 96 14 20 68 0 0 1 25 12 9 400 18 96 14 21 63 0 0 1 25 Total Prec. 4800' ------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Grace Lakes + Old Faithful Wind, Stevens Pass, Washington Grace Lakes battery is dead, station down MM/DD Hour Temp RH Wind Wind Wind Total Shot PST F % Avg Max Dir Snow Snow 4790' 4790' 4590' 4590' 4590' 4790' 4790' ------------------------------------------------------ 12 8 500 8 16 170 12 8 600 9 17 169 12 8 700 10 18 168 12 8 800 10 17 168 12 8 900 10 17 167 12 8 1000 10 18 167 12 8 1100 10 18 167 12 8 1200 9 17 168 12 8 1300 9 16 168 12 8 1400 9 16 166 12 8 1500 9 16 166 12 8 1600 10 16 164 12 8 1700 10 18 163 12 8 1800 9 16 163 12 8 1900 8 17 164 12 8 2000 8 16 168 12 8 2100 7 14 169 12 8 2200 9 16 164 12 8 2300 10 19 164 12 9 0 10 17 168 12 9 100 10 19 161 12 9 200 9 19 166 12 9 300 8 18 166 12 9 400 9 17 165 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Berne Snow Camp 8 miles east of Stevens Pass, Washington 24 hr Snow Installed 12/6/2018 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' ------------------------------------------------------ 12 8 500 24 76 0 0 0 10 1024 12 8 600 24 77 0 0 0 10 1025 12 8 700 24 80 0 0 0 10 1025 12 8 800 24 79 0 0 0 10 1025 12 8 900 25 77 0 0 0 10 1026 12 8 1000 26 73 0 0 0 9 1026 12 8 1100 27 70 0 0 0 9 1026 12 8 1200 28 65 0 0 0 9 1027 12 8 1300 29 68 0 0 0 9 1026 12 8 1400 29 68 0 0 0 9 1026 12 8 1500 28 71 0 0 0 9 1027 12 8 1600 27 73 0 0 0 9 1026 12 8 1700 27 73 0 0 0 9 1027 12 8 1800 27 73 0 0 0 9 1027 12 8 1900 27 75 0 0 0 9 1027 12 8 2000 26 79 0 0 0 9 1027 12 8 2100 26 77 0 0 0 9 1026 12 8 2200 26 78 0 0 0 9 1026 12 8 2300 26 79 0 0 0 9 1027 12 9 0 25 80 0 0 0 9 1027 12 9 100 25 81 0 0 0 9 1026 12 9 200 25 82 0 0 0 9 1026 12 9 300 25 83 0 0 0 9 1026 12 9 400 25 83 0 0 0 9 1025 Total Prec. 2700' ------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Dirty Face Mountain, Washington Wind gages unheated and may rime Wind direction repaired and accurate 10-8-18! MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 5980' 5980' 5980' 5980' 5980' 5980' ------------------------------------------------ 12 8 500 26 91 0 0 0 266 12 8 600 25 92 0 0 0 253 12 8 700 26 92 0 0 0 252 12 8 800 26 92 0 0 0 260 12 8 900 24 92 0 0 0 126 12 8 1000 24 91 0 0 0 137 12 8 1100 26 91 0 0 0 118 12 8 1200 29 90 0 0 0 95 12 8 1300 29 92 0 0 0 72 12 8 1400 23 91 0 0 0 58 12 8 1500 24 91 0 0 0 22 12 8 1600 23 92 0 0 0 38 12 8 1700 22 92 0 0 0 48 12 8 1800 21 91 0 0 2 69 12 8 1900 21 91 0 0 0 74 12 8 2000 19 91 0 0 0 66 12 8 2100 17 90 0 0 2 60 12 8 2200 16 90 0 1 4 54 12 8 2300 16 90 0 2 4 64 12 9 0 16 90 0 0 2 69 12 9 100 17 89 0 0 2 77 12 9 200 17 89 0 0 0 70 12 9 300 19 91 0 0 0 105 12 9 400 19 90 0 0 0 110 Page 1 12-9-2018 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' ------------------------------------------------------------------------ 12 8 500 26 80 0 0 0 87 0 0 0 0 12 8 600 26 79 0 0 0 87 0 0 0 0 12 8 700 26 80 0 0 0 87 0 0 0 0 12 8 800 26 80 0 0 0 87 0 0 0 0 12 8 900 28 76 0 0 0 87 0 0 0 0 12 8 1000 29 71 0 0 2 67 0 0 0 0 12 8 1100 30 71 0 0 0 83 0 0 0 0 12 8 1200 31 68 0 0 1 59 0 0 0 0 12 8 1300 32 66 0 0 2 41 0 0 0 0 12 8 1400 32 67 0 0 2 56 0 0 0 0 12 8 1500 32 67 0 0 1 58 0 0 0 0 12 8 1600 31 69 0 0 0 58 0 0 0 0 12 8 1700 30 69 0 0 1 75 0 0 0 0 12 8 1800 30 71 0 0 0 88 0 0 0 0 12 8 1900 30 75 0 0 0 88 0 0 0 0 12 8 2000 29 78 0 0 0 88 0 0 0 0 12 8 2100 28 89 0 0 2 65 0 0 0 0 12 8 2200 28 87 0 0 0 62 0 0 0 0 12 8 2300 28 89 0 0 0 62 0 0 0 0 12 9 0 28 90 0 0 0 62 0 0 0 0 12 9 100 28 92 0 0 0 61 0 0 0 0 12 9 200 28 92 0 0 0 61 0 0 0 0 12 9 300 28 92 0 0 0 61 0 0 0 0 12 9 400 28 92 0 0 0 61 0 0 0 0 Total Prec. 1930' ------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Tumwater Mountain, Leavenworth, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Total PST F % Avg Max Dir Snow 4180' 4180' 4180' 4180' 4180' 4180' ------------------------------------------------ 12 8 500 17 92 0 0 183 8 12 8 600 17 93 0 0 205 8 12 8 700 17 93 0 0 229 8 12 8 800 17 94 0 0 225 8 12 8 900 18 94 0 2 244 8 12 8 1000 20 93 0 0 250 7 12 8 1100 21 91 0 0 284 8 12 8 1200 21 92 0 0 196 7 12 8 1300 20 92 0 0 202 8 12 8 1400 21 91 0 0 209 7 12 8 1500 20 95 0 1 270 7 12 8 1600 19 95 0 2 268 8 12 8 1700 19 94 0 3 236 8 12 8 1800 18 95 0 3 259 8 12 8 1900 19 94 0 7 243 9 12 8 2000 19 95 1 6 255 8 12 8 2100 18 95 1 6 241 8 12 8 2200 20 95 2 7 220 9 12 8 2300 20 95 0 4 181 9 12 9 0 20 96 0 3 215 9 12 9 100 20 96 0 4 235 9 12 9 200 20 96 2 6 239 9 12 9 300 20 96 1 6 226 9 12 9 400 20 96 2 7 235 9 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Mt Washington, Washington Approx 6 mi SE of North Bend Wind direction unheated and may rime MM/DD Hour Batt Temp Wind Solar PST Volt Deg F Dir W/m2 4340' 4340' 4340' 4340' ------------------------------------------------ 12 8 500 12.6 32 184 0 12 8 600 12.6 33 179 0 12 8 700 12.6 33 176 0 12 8 800 12.6 31 178 0 12 8 900 12.5 32 190 4 12 8 1000 12.6 33 177 9 12 8 1100 12.7 33 183 10 12 8 1200 12.8 32 191 10 12 8 1300 13.0 32 198 10 12 8 1400 13.2 32 188 10 12 8 1500 13.3 32 113 10 12 8 1600 13.1 31 179 7 12 8 1700 12.9 31 177 0 12 8 1800 12.8 33 174 0 12 8 1900 12.7 31 178 0 12 8 2000 12.6 31 153 0 12 8 2100 12.6 30 144 0 12 8 2200 12.6 30 173 0 12 8 2300 12.6 31 179 0 12 9 0 12.5 30 183 0 12 9 100 12.5 31 180 0 12 9 200 12.5 31 178 0 12 9 300 12.5 32 170 0 12 9 400 12.5 31 176 0 Page 1 12-9-2018 Northwest Avalanche Center Alpental Ski Area, Washington Nov 19: wind measurements using new RMYoung instrument summit Denny Mtn 5520' RMYoung unheated and may rime Snow measurements not installed/calibrated for the season 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' ------------------------------------------------------------------------------------------------------ 12 8 500 27 16 22 91 83 4 6 181 0 0 0 23 34 25 58 12 8 600 26 16 22 91 88 10 14 130 0 0 0 23 33 283 58 12 8 700 26 16 22 91 87 12 15 122 0 0 0 23 34 283 58 12 8 800 27 16 22 90 88 11 13 116 0 0 0 23 33 283 58 12 8 900 27 17 23 90 91 11 13 122 0 0 0 23 33 27 57 12 8 1000 27 17 23 88 93 12 14 124 0 0 0 23 33 27 58 12 8 1100 26 18 24 86 91 12 15 115 0 0 0 23 33 27 58 12 8 1200 27 20 26 85 93 13 16 115 0 0 0 23 33 24 57 12 8 1300 27 20 26 81 92 11 13 115 0 0 0 23 32 25 58 12 8 1400 27 20 27 80 95 11 14 115 0 0 0 23 34 24 58 12 8 1500 27 20 27 80 96 13 16 113 0 0 0 23 33 24 57 12 8 1600 25 19 26 83 100 14 18 120 0 0 0 23 33 25 59 12 8 1700 23 19 25 86 96 16 19 121 0 0 0 23 31 24 59 12 8 1800 23 19 25 88 96 17 19 114 0 0 0 23 33 27 60 12 8 1900 24 19 25 89 100 18 20 113 0 0 0 23 34 27 60 12 8 2000 23 20 25 90 100 20 22 111 0 0 0 23 33 27 61 12 8 2100 22 19 25 92 97 19 23 116 0 0 0 23 33 27 63 12 8 2200 22 20 24 92 100 20 24 117 0 0 0 23 33 27 65 12 8 2300 23 20 24 90 97 16 19 123 0 0 0 23 33 27 67 12 9 0 23 19 24 91 98 13 19 123 0 0 0 23 33 27 68 12 9 100 23 19 24 94 95 15 18 120 0 0 0 23 33 25 70 12 9 200 24 20 24 94 96 15 19 114 0 0 0 23 33 27 69 12 9 300 24 22 24 95 97 14 16 117 0 0 0 23 32 26 69 12 9 400 24 20 25 94 97 15 18 114 0 0 0 23 32 27 70 Total Prec. 3100' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 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' ------------------------------------------------------ 12 8 500 12 8 600 12 8 700 12 8 800 12 8 900 12 8 1000 12 8 1100 12 8 1200 12 8 1300 12 8 1400 12 8 1500 12 8 1600 12 8 1700 12 8 1800 12 8 1900 12 8 2000 12 8 2100 12 8 2200 12 8 2300 12 9 0 12 9 100 12 9 200 12 9 300 12 9 400 Page 1 12-9-2018 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' ------------------------------------------------------------------------------------ 12 8 500 18 17 21 88 15 21 107 0 0 -0 8 1026 12 8 600 18 18 21 88 16 21 108 0 0 -0 8 1026 12 8 700 18 18 21 87 17 23 115 0 0 -0 8 1026 12 8 800 18 18 21 86 15 22 114 0 0 -0 8 1027 12 8 900 18 19 22 85 17 23 112 0 0 -0 8 1027 12 8 1000 18 20 23 84 17 24 112 0 0 -0 8 1028 12 8 1100 19 21 24 82 16 22 111 0 0 -0 7 1028 12 8 1200 20 21 27 75 14 19 110 0 0 -0 7 1028 12 8 1300 20 23 27 73 15 20 111 0 0 -0 7 1028 12 8 1400 21 22 27 75 16 22 104 0 0 -0 7 1028 12 8 1500 21 22 27 75 17 24 110 0 0 -0 7 1028 12 8 1600 21 21 25 79 18 24 108 0 0 -0 8 1028 12 8 1700 21 20 25 84 17 23 106 0 0 -0 8 1028 12 8 1800 21 20 24 86 18 24 112 0 0 -0 8 1028 12 8 1900 21 21 24 87 19 26 112 0 0 -0 8 1028 12 8 2000 21 20 24 88 17 25 103 0 0 -0 8 1028 12 8 2100 21 20 24 89 16 21 93 0 0 -0 8 1028 12 8 2200 21 20 24 88 16 24 106 0 0 -0 8 1027 12 8 2300 20 20 24 87 15 21 95 0 0 -0 8 1028 12 9 0 20 20 24 89 16 25 95 0 0 -0 8 1028 12 9 100 21 20 23 91 20 26 106 0 0 -0 8 1027 12 9 200 21 21 23 91 17 22 108 0 0 -0 8 1027 12 9 300 21 21 24 91 15 20 103 0 0 -0 8 1027 12 9 400 21 23 24 91 15 21 99 0 0 -0 8 1026 Total Prec. 3010' ------------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Blewett Pass, WA Precipitation gauge occasionally measures condensation inside gage 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' ------------------------------------------------------------ 12 8 500 15 91 15 0 0 0 12 1024 12 8 600 16 90 15 0 0 0 12 1024 12 8 700 16 90 16 0 0 0 12 1024 12 8 800 17 91 17 0 0 0 12 1024 12 8 900 19 90 19 0 0 0 11 1025 12 8 1000 23 83 27 0 0 0 11 1025 12 8 1100 22 83 28 0 0 0 11 1025 12 8 1200 22 82 27 0 0 0 12 1026 12 8 1300 22 84 26 0 0 0 12 1026 12 8 1400 23 82 27 0 0 0 12 1025 12 8 1500 22 85 26 0 0 0 12 1026 12 8 1600 20 91 21 0 0 0 11 1026 12 8 1700 19 92 20 0 0 0 12 1026 12 8 1800 20 94 19 0 0 0 12 1026 12 8 1900 19 94 20 0 0 0 12 1026 12 8 2000 19 93 20 0 0 0 11 1026 12 8 2100 19 93 19 0 0 0 11 1026 12 8 2200 19 93 19 0 0 0 12 1026 12 8 2300 19 94 20 0 0 0 11 1026 12 9 0 20 94 20 0 0 0 11 1026 12 9 100 19 94 20 0 0 0 11 1025 12 9 200 20 95 20 0 0 0 11 1025 12 9 300 20 95 20 0 0 0 11 1025 12 9 400 19 95 20 0 0 0 10 1025 Total Prec. 4100' ------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Mission Ridge Ski Area, Washington Total Snowdepth Out - 12/4/18 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' ------------------------------------------------------------------------------------ 12 8 500 22 12 14 95 100 17 25 264 0 0 0 124 12 8 600 23 13 14 94 100 13 18 266 0 0 0 124 12 8 700 24 13 14 94 100 9 17 263 0 0 0 124 12 8 800 25 13 15 94 100 6 11 249 0 0 0 124 12 8 900 25 15 16 94 100 7 11 245 0 0 0 124 12 8 1000 26 17 17 94 100 7 10 237 0 0 0 124 12 8 1100 28 17 18 93 100 6 9 228 0 0 0 124 12 8 1200 28 17 18 92 100 6 10 234 0 0 0 124 12 8 1300 28 17 18 92 100 7 11 225 0 0 0 124 12 8 1400 25 17 18 94 100 10 14 239 0 0 0 124 12 8 1500 25 18 94 8 13 240 12 8 1600 25 18 95 9 11 197 12 8 1700 24 17 94 9 13 195 12 8 1800 24 18 94 12 19 233 12 8 1900 24 19 94 17 22 232 12 8 2000 25 18 95 20 24 223 12 8 2100 23 18 94 23 29 221 12 8 2200 24 18 94 25 32 221 12 8 2300 24 18 94 26 32 220 12 9 0 24 18 94 29 34 221 12 9 100 23 18 94 29 36 222 12 9 200 24 18 94 28 34 222 12 9 300 23 18 94 26 33 223 12 9 400 23 20 93 23 33 221 Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Crystal Mountain Ski Area, Washington Occasional erratic total snowdepth readings - 12/4 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' ------------------------------------------------------------------------------------ 12 8 500 27 32 97 83 8 19 30 213 0 0 0 6 12 8 600 27 33 97 83 7 17 29 214 0 0 0 7 12 8 700 27 32 96 86 5 14 28 204 0 0 0 6 12 8 800 27 32 98 88 11 20 32 196 0 0 0 5 12 8 900 27 32 97 91 7 19 32 194 0 0 0 5 12 8 1000 28 33 94 88 5 17 30 201 0 0 0 5 12 8 1100 28 34 92 88 8 16 23 180 0 0 0 5 12 8 1200 28 34 94 83 4 15 25 173 0 0 0 6 12 8 1300 28 33 93 84 6 12 23 186 0 0 0 5 12 8 1400 26 33 93 81 6 12 21 229 0 0 0 5 12 8 1500 26 31 89 87 4 15 30 212 0 0 0 5 12 8 1600 27 32 99 83 10 23 39 203 0 0 0 5 12 8 1700 27 31 99 83 8 24 37 191 0 0 0 5 12 8 1800 28 31 91 81 12 28 42 196 0 0 0 7 12 8 1900 26 29 97 82 13 27 44 192 0 0 0 5 12 8 2000 26 30 97 85 13 21 34 159 0 0 0 6 12 8 2100 26 31 96 82 13 23 35 129 0 0 0 6 12 8 2200 27 31 93 82 14 25 36 126 0 0 0 6 12 8 2300 26 31 90 80 9 21 34 150 0 0 0 5 12 9 0 27 31 79 79 9 26 42 187 0 0 0 5 12 9 100 26 30 82 79 11 25 41 180 0 0 0 5 12 9 200 26 30 87 82 16 27 40 176 0 0 0 5 12 9 300 29 28 82 85 17 28 49 185 0 0 0 6 12 9 400 28 28 87 85 19 34 48 187 0 0 0 6 Total Prec. 4310' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Green Valley, Crystal Mountain Ski Area, Washington MM/DD Hour Temp 24 Hr Total PST F Snow Snow 6230' 6230' 6230' ------------------------------ 12 8 500 29 1 11 12 8 600 27 0 11 12 8 700 27 0 11 12 8 800 27 0 11 12 8 900 28 0 11 12 8 1000 29 0 11 12 8 1100 29 0 11 12 8 1200 29 0 11 12 8 1300 28 0 11 12 8 1400 27 0 11 12 8 1500 28 0 11 12 8 1600 29 -0 11 12 8 1700 28 0 11 12 8 1800 29 0 11 12 8 1900 26 0 11 12 8 2000 26 0 11 12 8 2100 26 0 11 12 8 2200 25 0 11 12 8 2300 26 0 11 12 9 0 25 0 11 12 9 100 25 0 11 12 9 200 25 0 11 12 9 300 24 0 11 12 9 400 26 0 11 Page 1 12-9-2018 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime Prec. gage heating! 11/30 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' ------------------------------------------------------------------------------ 12 8 500 27 22 96 96 7 11 157 43 0 0 377 12 8 600 26 25 96 96 7 9 163 46 0 0 377 12 8 700 27 26 96 97 5 7 136 46 0 0 377 12 8 800 27 26 96 97 5 8 104 46 0 0 377 12 8 900 28 21 96 93 6 9 161 43 0 0 23 12 8 1000 27 18 95 93 5 6 144 40 0 0 377 12 8 1100 27 23 96 94 5 8 155 45 0 0 377 12 8 1200 27 25 96 96 6 8 161 48 0 0 377 12 8 1300 27 28 95 95 6 8 152 51 0 0 377 12 8 1400 27 28 96 95 6 8 159 51 0 0 377 12 8 1500 27 26 95 95 4 6 141 47 0 0 377 12 8 1600 27 20 96 92 5 8 156 41 0 0 377 12 8 1700 28 17 96 95 7 10 154 36 0 0 377 12 8 1800 27 17 96 96 5 8 139 36 0 0 377 12 8 1900 23 16 94 95 5 6 114 35 0 0 377 12 8 2000 22 16 94 95 5 8 104 34 0 0 377 12 8 2100 23 17 94 96 6 8 89 36 0 0 377 12 8 2200 22 19 94 97 5 7 90 38 0 0 377 12 8 2300 23 21 95 97 5 5 94 41 0 0 377 12 9 0 23 21 95 93 4 6 99 39 0 0 377 12 9 100 22 15 94 93 4 6 98 35 0 0 377 12 9 200 23 15 94 95 5 6 99 35 0 0 377 12 9 300 22 15 95 95 4 6 104 34 0 0 377 12 9 400 22 16 94 95 4 6 98 35 0 0 377 Total Prec. 5500' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 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' ------------------------------------------------------------ 12 8 500 24 24 100 95 10 14 176 18 12 8 600 24 24 99 95 6 11 161 17 12 8 700 25 24 99 97 4 7 141 17 12 8 800 24 24 99 96 7 11 174 16 12 8 900 28 26 99 94 2 6 298 16 12 8 1000 27 27 99 94 4 10 168 17 12 8 1100 27 28 97 93 6 8 178 16 12 8 1200 28 30 97 89 5 8 176 16 12 8 1300 27 29 96 89 4 6 174 17 12 8 1400 26 27 98 92 6 9 174 17 12 8 1500 25 27 100 92 7 10 169 17 12 8 1600 24 25 100 94 13 18 184 17 12 8 1700 25 25 96 94 14 17 186 17 12 8 1800 25 25 98 95 9 13 188 17 12 8 1900 25 26 100 95 18 23 181 17 12 8 2000 26 26 100 94 18 23 177 17 12 8 2100 25 26 100 92 17 19 178 17 12 8 2200 24 25 99 89 19 24 182 17 12 8 2300 24 25 92 85 17 23 179 18 12 9 0 25 25 82 77 14 21 175 18 12 9 100 27 27 76 73 12 24 178 18 12 9 200 26 26 84 79 13 20 176 18 12 9 300 26 26 94 88 10 14 160 17 12 9 400 25 26 96 90 12 19 167 18 Page 1 12-9-2018 Northwest Avalanche Center Paradise, Mt Rainier National Park, Washington 24 hr depth sensor replaced 11/28/2018 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' ------------------------------------------------------------------------ 12 8 500 30 96 2 6 212 0 0 0 24 0 12 8 600 31 97 1 4 229 .02 .02 0 24 0 12 8 700 31 97 2 6 308 .02 .04 0 21 0 12 8 800 31 98 3 9 224 .02 .06 0 25 0 12 8 900 32 97 3 6 212 .02 .08 0 21 16 12 8 1000 31 97 3 6 220 .02 .1 1 26 25 12 8 1100 32 94 3 6 226 .02 .12 1 25 74 12 8 1200 32 93 3 6 258 0 .12 1 21 44 12 8 1300 33 87 3 9 221 0 .12 1 22 166 12 8 1400 34 84 3 9 219 0 .12 1 22 120 12 8 1500 34 86 3 9 310 0 .12 0 23 67 12 8 1600 34 88 2 7 8 0 .12 0 23 43 12 8 1700 32 90 0 3 204 0 .12 0 22 2 12 8 1800 31 92 2 6 203 0 .12 0 21 0 12 8 1900 32 91 2 5 40 0 .12 0 22 0 12 8 2000 33 87 3 6 45 0 .12 0 22 0 12 8 2100 33 81 3 7 32 0 .12 0 21 0 12 8 2200 31 88 4 10 65 0 .12 0 22 0 12 8 2300 31 76 3 9 67 0 .12 0 22 0 12 9 0 33 72 4 6 46 0 .12 0 21 0 12 9 100 34 74 3 5 46 0 .12 0 22 0 12 9 200 34 77 3 9 73 0 .12 0 20 0 12 9 300 34 81 3 6 63 0 .12 0 20 0 12 9 400 34 83 4 8 27 0 .12 0 22 0 Total Prec. 5400' ------------------------------------------------------ .12 Page 1 12-9-2018 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' --------------------------------------------------------------- 12 8 500 19 97 22 34 43 273 0 12 8 600 18 96 16 26 32 272 0 12 8 700 17 96 12 23 37 268 0 12 8 800 18 83 14 26 35 264 7 12 8 900 23 21 14 23 39 273 129 12 8 1000 24 14 17 30 46 268 103 12 8 1100 23 66 15 26 33 274 305 12 8 1200 21 50 7 16 29 281 448 12 8 1300 29 14 0 10 20 288 392 12 8 1400 31 9 1 6 12 282 322 12 8 1500 28 12 3 7 17 276 128 12 8 1600 27 16 3 10 24 272 84 12 8 1700 25 15 0 7 20 334 4 12 8 1800 26 12 0 8 19 279 0 12 8 1900 26 16 16 24 29 279 0 12 8 2000 25 15 12 16 22 280 0 12 8 2100 25 10 12 18 22 277 0 12 8 2200 23 12 17 22 27 281 0 12 8 2300 22 13 17 21 30 282 0 12 9 0 23 10 17 24 29 273 0 12 9 100 23 11 16 23 30 283 0 12 9 200 20 20 15 25 36 271 0 12 9 300 22 14 26 36 45 277 0 12 9 400 24 19 34 45 59 276 0 Page 1 12-9-2018 Northwest Avalanche Center White Pass Ski Area, Washington New base station install planned for Dec '18 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' ------------------------------------------------------------------------------ 12 8 500 28 96 5 10 18 310 0 0 18 12 8 600 29 96 0 5 15 297 0 0 18 12 8 700 29 97 4 11 22 296 0 0 19 12 8 800 29 96 0 10 19 292 0 0 19 12 8 900 31 94 0 4 14 231 0 0 18 12 8 1000 30 93 3 10 17 292 0 0 18 12 8 1100 31 90 0 5 11 275 0 0 18 12 8 1200 32 89 0 5 11 287 0 0 18 12 8 1300 34 84 0 3 7 319 0 0 17 12 8 1400 32 92 0 2 6 181 0 0 17 12 8 1500 29 94 0 5 10 111 0 0 17 12 8 1600 28 94 4 8 11 102 0 0 17 12 8 1700 26 95 7 9 13 121 0 0 18 12 8 1800 24 95 7 10 13 134 0 0 18 12 8 1900 25 97 10 13 17 155 0 0 17 12 8 2000 26 97 10 15 23 153 0 0 17 12 8 2100 26 96 10 16 23 147 0 0 17 12 8 2200 26 97 11 16 24 142 0 0 17 12 8 2300 24 96 10 17 26 129 0 0 17 12 9 0 25 96 9 14 20 142 0 0 17 12 9 100 26 96 7 14 20 127 0 0 18 12 9 200 26 96 8 16 22 140 0 0 17 12 9 300 25 96 8 14 20 121 0 0 17 12 9 400 24 96 12 16 21 112 0 0 17 Total Prec. 5800' ------------------------------------------------------------------------ 0 Page 1 12-9-2018 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington Wind exposed site may affect precipitation measurements Temperature sensor may have warm bias MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ 12 8 500 35 92 0 5 146 0 0 12 8 600 36 92 0 5 120 0 0 12 8 700 37 94 0 7 148 0 0 12 8 800 37 92 0 5 133 0 0 12 8 900 38 90 0 2 124 0 0 12 8 1000 40 85 0 3 178 0 0 12 8 1100 41 80 0 4 220 0 0 12 8 1200 43 75 0 2 164 0 0 12 8 1300 44 73 0 1 213 0 0 12 8 1400 43 78 0 2 274 0 0 12 8 1500 42 81 0 3 238 0 0 12 8 1600 37 91 0 7 284 0 0 12 8 1700 37 92 0 4 319 0 0 12 8 1800 36 93 0 7 292 0 0 12 8 1900 37 82 4 12 319 0 0 12 8 2000 37 82 6 12 348 0 0 12 8 2100 37 81 6 14 18 0 0 12 8 2200 39 78 5 11 337 0 0 12 8 2300 40 74 8 20 99 0 0 12 9 0 39 76 8 22 107 0 0 12 9 100 40 77 8 19 113 0 0 12 9 200 39 78 4 11 331 0 0 12 9 300 39 80 5 11 327 0 0 12 9 400 41 76 8 23 40 0 0 Total Prec. 3260' ------------------------------------------------------ 0 Page 1 12-9-2018 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' ------------------------------------------------------------------------ 12 8 500 31 100 -0 0 4 283 .03 .03 3 23 12 8 600 31 100 -0 0 4 289 .01 .04 0 23 12 8 700 31 100 -0 3 8 305 .03 .07 0 22 12 8 800 31 100 -0 2 9 304 0 .07 0 22 12 8 900 31 98 -0 2 11 302 0 .07 0 23 12 8 1000 32 98 -0 0 2 282 0 .07 0 23 12 8 1100 32 99 -0 -0 0 234 0 .07 0 23 12 8 1200 32 100 -0 -0 0 235 0 .07 0 23 12 8 1300 33 99 -0 0 3 250 0 .07 0 23 12 8 1400 33 96 -0 0 7 266 0 .07 0 23 12 8 1500 32 96 -0 0 1 82 0 .07 0 22 12 8 1600 32 97 -0 0 6 87 0 .07 0 24 12 8 1700 29 100 -0 1 6 80 0 .07 0 24 12 8 1800 27 100 -0 1 6 76 0 .07 0 24 12 8 1900 28 100 -0 2 9 81 0 .07 0 24 12 8 2000 27 100 -0 2 9 89 0 .07 0 24 12 8 2100 27 100 -0 5 16 83 0 .07 0 23 12 8 2200 28 100 -0 3 13 84 0 .07 0 23 12 8 2300 28 100 -0 3 9 79 0 .07 0 23 12 9 0 29 100 -0 3 12 80 0 .07 0 23 12 9 100 29 100 -0 3 11 85 0 .07 0 23 12 9 200 28 100 -0 4 14 85 0 .07 0 22 12 9 300 30 98 -0 3 12 88 0 .07 0 23 12 9 400 27 100 -0 4 13 84 0 .07 0 23 Total Prec. 5880' ------------------------------------------------------------ .07 Page 1 12-9-2018 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon Wind direction out - no timetable for repairs Wind speed 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' ------------------------------------------------ 12 8 500 29 99 12 17 24 224 12 8 600 29 98 8 14 20 232 12 8 700 28 98 10 14 18 228 12 8 800 29 98 4 12 18 224 12 8 900 31 95 3 11 19 230 12 8 1000 32 95 0 4 15 226 12 8 1100 32 94 0 1 12 220 12 8 1200 33 92 0 1 16 231 12 8 1300 32 95 0 6 13 232 12 8 1400 32 91 0 3 17 226 12 8 1500 32 86 0 6 22 235 12 8 1600 31 80 0 4 18 237 12 8 1700 29 100 4 9 16 238 12 8 1800 29 80 6 9 14 236 12 8 1900 26 99 4 11 18 232 12 8 2000 27 98 13 18 23 229 12 8 2100 25 99 12 16 19 230 12 8 2200 27 96 0 9 17 223 12 8 2300 29 97 0 5 12 222 12 9 0 28 96 0 8 17 225 12 9 100 27 100 11 14 20 230 12 9 200 27 99 10 16 27 226 12 9 300 27 97 9 14 20 221 12 9 400 29 83 0 5 16 228 Page 1 12-9-2018 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' ------------------------------------------------------------------------------------ 12 8 500 28 28 92 96 9 18 233 .02 .02 2 22 1021 12 8 600 28 30 92 96 11 17 224 .02 .04 1 22 1021 12 8 700 28 31 91 94 15 23 262 .02 .06 0 22 1021 12 8 800 28 31 90 95 14 20 228 0 .06 0 21 1021 12 8 900 29 31 90 96 10 19 260 0 .06 0 22 1022 12 8 1000 29 32 91 94 8 14 254 0 .06 0 22 1023 12 8 1100 28 32 92 93 8 14 198 .01 .07 0 22 1023 12 8 1200 29 32 93 93 10 14 228 0 .07 0 21 1023 12 8 1300 29 32 93 92 10 15 223 0 .07 0 21 1023 12 8 1400 29 35 92 89 9 15 256 0 .07 0 22 1023 12 8 1500 30 33 89 91 9 15 233 0 .07 0 21 1022 12 8 1600 29 33 90 92 6 12 228 0 .07 0 22 1023 12 8 1700 28 30 93 93 4 8 236 0 .07 0 22 1023 12 8 1800 27 29 92 94 5 11 230 0 .07 0 22 1023 12 8 1900 25 30 91 94 3 7 232 0 .07 0 22 1023 12 8 2000 24 28 91 97 3 9 280 0 .07 0 22 1023 12 8 2100 24 29 91 96 4 7 244 0 .07 0 22 1023 12 8 2200 24 30 91 94 4 7 221 0 .07 0 22 1023 12 8 2300 25 30 91 94 5 10 225 0 .07 0 22 1023 12 9 0 26 30 91 93 4 7 224 0 .07 0 22 1023 12 9 100 26 31 91 93 4 10 217 0 .07 0 22 1022 12 9 200 26 28 91 95 5 9 241 0 .07 0 21 1022 12 9 300 26 31 91 92 4 9 236 0 .07 0 21 1021 12 9 400 25 29 91 94 5 8 219 0 .07 0 21 1021 Total Prec. 5380' ------------------------------------------------------------------ .07 Page 1 12-9-2018 Northwest Avalanche Center Top of 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' ------------------------------------------------ 12 8 500 27 96 5 23 32 196 12 8 600 26 96 6 21 30 197 12 8 700 26 96 7 25 35 229 12 8 800 27 96 11 25 37 226 12 8 900 28 96 6 21 30 210 12 8 1000 29 98 3 17 25 188 12 8 1100 30 98 3 16 23 161 12 8 1200 30 98 5 16 20 154 12 8 1300 30 98 5 16 21 111 12 8 1400 29 94 3 16 23 146 12 8 1500 30 97 3 13 24 175 12 8 1600 28 96 0 12 21 162 12 8 1700 28 97 1 8 15 185 12 8 1800 25 91 2 8 14 195 12 8 1900 26 95 0 6 16 158 12 8 2000 27 95 0 2 10 170 12 8 2100 25 94 0 3 10 170 12 8 2200 26 91 0 7 21 184 12 8 2300 27 96 3 13 20 155 12 9 0 27 95 0 10 20 169 12 9 100 26 95 0 7 15 169 12 9 200 26 95 0 7 19 166 12 9 300 26 95 0 7 14 193 12 9 400 26 92 0 9 16 145 Page 1 12-9-2018 Northwest Avalanche Center Ski Bowl Ski Area, Government Camp, Oregon 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' ------------------------------------------------------------------------------ 12 8 500 28 28 100 94 3 5 9 204 .01 .01 10 12 8 600 30 28 99 95 2 5 7 213 .01 .02 11 12 8 700 31 28 100 95 1 4 5 211 .01 .03 11 12 8 800 32 28 99 95 0 3 6 216 0 .03 11 12 8 900 32 29 99 94 2 5 6 215 0 .03 11 12 8 1000 32 29 99 94 3 5 8 207 0 .03 11 12 8 1100 32 31 98 94 3 6 9 188 0 .03 11 12 8 1200 33 32 98 94 3 5 7 201 0 .03 11 12 8 1300 33 33 96 92 3 4 8 203 0 .03 10 12 8 1400 33 34 95 93 3 6 14 173 0 .03 10 12 8 1500 29 34 98 92 11 18 24 143 0 .03 10 12 8 1600 28 32 98 92 11 19 26 154 0 .03 11 12 8 1700 26 31 99 93 12 20 25 143 0 .03 11 12 8 1800 26 29 98 92 13 20 26 146 0 .03 11 12 8 1900 27 28 99 91 15 20 26 150 0 .03 11 12 8 2000 27 26 98 91 11 16 24 171 0 .03 11 12 8 2100 27 27 98 92 11 15 23 174 0 .03 12 12 8 2200 28 28 98 94 9 18 25 147 0 .03 12 12 8 2300 27 28 98 94 11 18 27 147 0 .03 12 12 9 0 25 28 99 91 14 20 27 142 0 .03 11 12 9 100 25 29 100 93 12 20 26 154 0 .03 12 12 9 200 25 30 100 93 17 23 33 149 0 .03 12 12 9 300 25 30 100 92 15 22 31 144 0 .03 13 12 9 400 24 29 99 91 16 26 36 144 0 .03 11 Total Prec. 3660' ------------------------------------------------------------------------ .03 Page 1