3-31-2020 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' ------------------------------------------------------------------ 3 30 500 22 96 5 12 22 233 .04 .04 234 3 30 600 22 96 4 11 21 205 .05 .09 106 3 30 700 22 95 5 10 21 196 .06 .15 108 3 30 800 24 95 0 8 19 197 .05 .2 108 3 30 900 25 95 5 9 16 194 .05 .25 108 3 30 1000 25 95 4 8 13 188 .05 .3 108 3 30 1100 25 96 5 11 18 184 .11 .41 110 3 30 1200 28 96 5 10 18 176 .08 .49 111 3 30 1300 27 96 0 8 15 181 .08 .57 111 3 30 1400 23 96 3 10 21 209 .14 .71 234 3 30 1500 31 95 3 8 20 184 .05 .76 110 3 30 1600 25 95 2 7 14 188 .06 .82 234 3 30 1700 25 95 4 7 14 185 .08 .9 116 3 30 1800 24 95 3 6 13 186 .04 .94 115 3 30 1900 22 95 -0 4 9 181 0 .94 114 3 30 2000 22 95 0 4 7 181 .01 .95 114 3 30 2100 22 95 2 5 8 170 .01 .96 114 3 30 2200 22 95 1 4 7 180 0 .96 115 3 30 2300 22 95 0 4 8 180 .02 .98 115 3 31 0 22 95 1 5 9 198 .01 .99 115 3 31 100 21 95 2 5 9 186 0 .99 115 3 31 200 21 95 2 4 7 176 .01 1 115 Total Prec. 5250' ------------------------------------------------------------ 1 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 27 30 83 100 4 18 47 180 .11 .11 13 188 3 30 600 27 30 91 100 7 23 49 176 .17 .28 15 190 3 30 700 25 27 84 100 4 23 56 199 .1 .38 16 190 3 30 800 23 26 81 100 2 11 25 200 .11 .49 17 191 3 30 900 23 26 79 100 3 9 16 211 .11 .6 0 192 3 30 1000 23 26 77 100 3 8 15 218 .14 .74 2 193 3 30 1100 26 28 78 100 3 10 25 205 .18 .92 5 196 3 30 1200 30 32 78 100 6 15 31 174 .24 1.16 6 197 3 30 1300 25 29 92 99 10 20 37 168 .19 1.35 7 198 3 30 1400 25 28 81 100 11 24 41 167 .12 1.47 9 199 3 30 1500 26 29 79 100 5 14 34 173 .18 1.65 11 201 3 30 1600 28 31 78 100 4 10 18 176 .16 1.81 11 202 3 30 1700 26 28 77 100 2 8 16 189 .06 1.87 12 202 3 30 1800 25 28 76 100 0 6 14 202 .02 1.89 13 202 3 30 1900 23 26 74 100 0 3 9 215 0 1.89 13 202 3 30 2000 23 26 73 100 0 3 6 220 .04 1.93 46 201 3 30 2100 23 26 72 100 0 2 4 216 .02 1.95 13 201 3 30 2200 23 26 72 100 0 3 7 178 .04 1.99 14 202 3 30 2300 23 26 71 100 0 0 2 131 .1 2.09 14 202 3 31 0 22 25 71 100 0 0 0 75 .1 2.19 46 350 3 31 100 22 25 70 100 0 0 0 30 .06 2.25 46 204 3 31 200 22 24 70 100 0 0 0 28 .05 2.3 46 204 3 31 300 22 23 69 99 0 0 0 26 .01 2.31 16 204 3 31 400 21 23 69 99 0 0 0 25 0 2.31 16 203 Total Prec. 4210' ------------------------------------------------------------------------ 2.31 Page 1 3-31-2020 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' ------------------------------------------------------------------------------ 3 30 500 22 23 94 91 7 16 200 49 .06 .06 84 3 30 600 22 23 94 91 9 19 182 47 .04 .1 85 3 30 700 22 24 99 92 12 18 205 49 .06 .16 86 3 30 800 21 24 82 80 21 29 231 44 .04 .2 86 3 30 900 20 24 80 73 19 27 233 47 .02 .22 86 3 30 1000 20 24 82 71 19 24 227 51 .01 .23 86 3 30 1100 19 24 89 77 17 24 239 50 0 .23 86 3 30 1200 22 27 80 65 14 20 243 59 .01 .24 85 3 30 1300 21 28 85 64 12 17 246 61 0 .24 85 3 30 1400 20 26 81 65 17 23 229 52 0 .24 85 3 30 1500 19 24 91 81 15 22 224 51 .02 .26 85 3 30 1600 19 25 96 78 15 25 231 51 0 .26 84 3 30 1700 18 23 95 77 15 20 228 48 .01 .27 85 3 30 1800 17 22 96 82 11 14 227 50 0 .27 86 3 30 1900 17 21 91 82 12 16 232 46 0 .27 85 3 30 2000 17 21 93 81 9 13 233 45 0 .27 85 3 30 2100 16 20 95 87 9 13 231 45 .01 .28 83 3 30 2200 16 18 92 87 11 16 236 43 0 .28 85 3 30 2300 16 17 95 88 13 16 231 43 0 .28 86 3 31 0 16 16 94 88 7 11 251 43 0 .28 86 3 31 100 16 16 92 88 4 6 249 42 0 .28 86 3 31 200 16 18 96 90 4 9 217 46 .01 .29 85 3 31 300 16 18 94 89 8 12 229 45 .01 .3 86 3 31 400 15 14 91 85 6 10 262 43 0 .3 86 Total Prec. 5450' ------------------------------------------------------------------------ .3 Page 1 3-31-2020 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' ------------------------------------------------------------------------ 3 30 500 35 97 -0 0 3 28 0 0 0 8 3 30 600 34 100 3 0 2 224 .07 .07 0 8 3 30 700 35 100 9 0 1 262 .04 .11 0 8 3 30 800 35 100 51 0 5 250 .06 .17 0 8 3 30 900 41 100 54 0 4 174 0 .17 0 8 3 30 1000 44 71 113 0 5 265 0 .17 0 8 3 30 1100 46 59 119 2 5 284 0 .17 0 8 3 30 1200 47 53 785 2 7 285 0 .17 0 8 3 30 1300 48 54 636 2 6 320 0 .17 -0 7 3 30 1400 49 49 698 1 5 320 0 .17 0 7 3 30 1500 47 60 367 1 5 264 0 .17 0 7 3 30 1600 44 60 92 0 5 246 0 .17 0 8 3 30 1700 42 64 52 0 4 238 0 .17 0 7 3 30 1800 41 65 9 0 3 223 0 .17 0 8 3 30 1900 37 81 -0 0 3 229 0 .17 0 7 3 30 2000 33 90 0 0 3 26 0 .17 0 7 3 30 2100 31 98 0 0 1 87 0 .17 0 8 3 30 2200 30 97 0 0 0 0 0 .17 0 7 3 30 2300 28 100 0 0 0 109 0 .17 0 7 3 31 0 28 100 0 0 0 0 0 .17 0 7 3 31 100 29 100 0 0 0 0 0 .17 0 7 3 31 200 30 100 0 0 0 0 0 .17 0 7 3 31 300 28 100 0 0 2 194 0 .17 0 7 3 31 400 28 100 0 0 0 0 0 .17 0 7 Total Prec. 2170' ------------------------------------------------------------ .17 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 27 27 0 8 19 135 3 30 600 27 28 0 4 18 105 3 30 700 25 25 0 6 23 292 3 30 800 24 25 0 4 12 300 3 30 900 25 25 0 4 11 306 3 30 1000 24 24 0 5 14 279 3 30 1100 24 25 0 4 14 317 3 30 1200 27 27 0 4 13 343 3 30 1300 26 28 0 4 14 276 3 30 1400 27 26 0 3 11 285 3 30 1500 24 24 0 4 11 254 3 30 1600 24 25 0 4 11 272 3 30 1700 23 24 0 7 26 282 3 30 1800 23 24 0 3 7 264 3 30 1900 23 24 0 3 8 267 3 30 2000 23 23 0 3 8 267 3 30 2100 23 23 0 3 8 263 3 30 2200 23 23 0 3 8 245 3 30 2300 22 23 0 1 5 245 3 31 0 23 23 0 4 11 189 3 31 100 23 23 0 4 8 153 3 31 200 22 23 0 3 11 257 3 31 300 22 22 0 3 8 257 3 31 400 22 22 0 3 8 270 Page 1 3-31-2020 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' ------------------------------------------------------ 3 30 500 32 94 .03 .03 3 111 1001 3 30 600 31 94 .1 .13 0 114 1002 3 30 700 30 94 .14 .27 3 114 1004 3 30 800 29 89 .03 .3 4 116 1005 3 30 900 29 93 .06 .36 5 117 1005 3 30 1000 28 91 .04 .4 5 117 1005 3 30 1100 28 92 .09 .49 7 118 1007 3 30 1200 31 83 .01 .5 7 117 1007 3 30 1300 31 87 .01 .51 6 118 1007 3 30 1400 30 87 .02 .53 47 118 1007 3 30 1500 28 95 .17 .7 9 120 1008 3 30 1600 29 93 .1 .8 10 121 1008 3 30 1700 29 92 .01 .81 10 121 1008 3 30 1800 28 93 .05 .86 47 122 1008 3 30 1900 28 94 .03 .89 11 123 1009 3 30 2000 28 93 .01 .9 11 122 1009 3 30 2100 28 94 .01 .91 11 122 1008 3 30 2200 28 94 .02 .93 10 123 1008 3 30 2300 28 93 .01 .94 11 122 1008 3 31 0 28 93 0 .94 11 122 1008 3 31 100 27 93 .02 .96 10 121 1008 3 31 200 27 94 .02 .98 12 123 1008 3 31 300 27 93 0 .98 11 122 1008 3 31 400 27 94 .01 .99 12 123 1008 Total Prec. 3950' ------------------------------------ .99 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 28 100 0 0 -14 225 3 30 600 29 100 0 0 0 226 3 30 700 26 97 0 0 19 227 3 30 800 26 94 0 0 106 227 3 30 900 27 89 0 0 101 226 3 30 1000 24 92 0 0 99 226 3 30 1100 25 92 0 0 94 224 3 30 1200 28 87 0 0 88 227 3 30 1300 28 87 0 0 85 229 3 30 1400 26 92 0 0 83 228 3 30 1500 25 96 0 0 85 230 3 30 1600 26 96 0 0 82 226 3 30 1700 25 96 0 0 82 227 3 30 1800 25 96 0 0 84 226 3 30 1900 25 97 0 0 81 226 3 30 2000 25 96 0 0 80 226 3 30 2100 25 97 0 0 79 226 3 30 2200 24 97 0 0 93 223 3 30 2300 24 95 0 0 87 224 3 31 0 24 96 0 0 84 224 3 31 100 25 96 0 0 81 226 3 31 200 24 96 0 0 79 223 3 31 300 23 96 0 0 78 222 3 31 400 23 96 0 0 77 223 Total Prec. 4800' ------------------------------------ 0 Page 1 3-31-2020 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' ------------------------------------------------------ 3 30 500 29 97 1 7 124 154 35 3 30 600 28 98 2 8 192 155 35 3 30 700 26 97 5 19 275 157 2 3 30 800 26 97 4 15 284 158 3 3 30 900 26 96 4 17 290 159 4 3 30 1000 25 95 5 21 259 159 5 3 30 1100 26 96 6 21 284 160 35 3 30 1200 28 95 5 20 290 159 35 3 30 1300 29 92 4 22 271 160 35 3 30 1400 27 93 3 16 310 161 35 3 30 1500 25 96 3 21 138 163 35 3 30 1600 26 96 2 13 81 164 35 3 30 1700 25 96 5 21 280 164 35 3 30 1800 25 96 1 7 266 164 35 3 30 1900 24 96 1 11 162 165 35 3 30 2000 24 96 0 6 88 162 35 3 30 2100 24 96 0 4 71 165 35 3 30 2200 24 96 0 6 155 163 35 3 30 2300 24 96 0 4 138 164 35 3 31 0 24 95 0 6 67 164 4 3 31 100 24 95 0 3 147 164 12 3 31 200 24 95 0 3 346 164 13 3 31 300 23 95 0 4 14 164 12 3 31 400 23 95 1 11 276 165 13 Page 1 3-31-2020 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' ------------------------------------------------------ 3 30 500 32 94 .08 .08 0 23 1001 3 30 600 33 93 .05 .13 0 22 1001 3 30 700 33 93 .13 .26 2 24 1003 3 30 800 35 89 .02 .28 2 23 1003 3 30 900 33 90 .01 .29 2 23 1004 3 30 1000 34 83 .02 .31 1 24 1005 3 30 1100 33 91 .05 .36 1 22 1006 3 30 1200 37 82 0 .36 2 24 1006 3 30 1300 36 76 0 .36 2 24 1007 3 30 1400 35 84 0 .36 2 23 1007 3 30 1500 33 92 .07 .43 1 23 1008 3 30 1600 33 92 .07 .5 2 21 1008 3 30 1700 33 91 0 .5 3 22 1008 3 30 1800 32 92 .03 .53 3 25 1009 3 30 1900 32 93 .02 .55 4 161 1009 3 30 2000 32 93 .01 .56 4 26 1008 3 30 2100 31 93 0 .56 4 26 1008 3 30 2200 32 93 0 .56 4 21 1008 3 30 2300 31 93 0 .56 35 161 1008 3 31 0 31 93 0 .56 35 21 1008 3 31 100 31 93 0 .56 35 24 1008 3 31 200 31 93 .03 .59 5 24 1008 3 31 300 30 94 .01 .6 5 26 1008 3 31 400 31 94 0 .6 4 24 1008 Total Prec. 2700' ------------------------------------ .6 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 24 95 12 16 22 184 3 30 600 25 95 9 13 24 171 3 30 700 22 94 15 24 38 227 3 30 800 19 93 16 30 43 241 3 30 900 20 93 12 25 37 249 3 30 1000 20 94 8 20 36 237 3 30 1100 20 93 18 28 44 230 3 30 1200 20 94 22 38 53 230 3 30 1300 21 94 6 23 45 236 3 30 1400 21 93 13 27 45 232 3 30 1500 20 94 6 16 31 234 3 30 1600 21 94 6 19 29 236 3 30 1700 20 93 6 21 37 240 3 30 1800 20 93 15 20 28 231 3 30 1900 20 93 19 26 33 230 3 30 2000 20 93 16 25 32 230 3 30 2100 20 93 14 24 32 235 3 30 2200 20 93 11 20 25 234 3 30 2300 20 93 8 12 18 240 3 31 0 20 93 8 15 24 229 3 31 100 20 93 7 16 21 233 3 31 200 19 93 6 12 21 234 3 31 300 19 93 10 16 24 236 3 31 400 18 93 12 22 31 236 Page 1 3-31-2020 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' ------------------------------------------------------------------------ 3 30 500 33 96 0 0 1 88 .05 .05 0 8 3 30 600 34 97 0 0 0 94 .02 .07 0 8 3 30 700 34 97 0 0 3 307 .13 .2 0 9 3 30 800 36 96 0 0 3 15 .01 .21 0 8 3 30 900 38 87 0 0 4 10 0 .21 0 8 3 30 1000 40 79 0 0 4 325 0 .21 0 8 3 30 1100 37 87 0 0 4 307 0 .21 1 8 3 30 1200 42 69 0 0 3 330 0 .21 0 8 3 30 1300 42 61 0 0 6 314 0 .21 4 8 3 30 1400 39 78 0 0 7 329 .01 .22 5 8 3 30 1500 35 88 0 0 3 277 .03 .25 8 8 3 30 1600 35 93 0 0 1 294 .02 .27 1 8 3 30 1700 35 94 0 0 0 292 .02 .29 5 8 3 30 1800 35 95 0 0 0 288 .01 .3 0 8 3 30 1900 34 95 0 0 0 288 .01 .31 1 8 3 30 2000 34 96 0 0 0 288 0 .31 6 8 3 30 2100 33 96 0 0 0 289 0 .31 5 8 3 30 2200 34 96 0 0 0 289 0 .31 0 7 3 30 2300 33 96 0 0 0 289 0 .31 4 7 3 31 0 33 96 0 0 0 289 0 .31 1 7 3 31 100 33 97 0 0 0 289 0 .31 1 7 3 31 200 33 97 0 0 0 301 .01 .32 0 7 3 31 300 33 96 0 0 0 305 0 .32 0 7 3 31 400 33 97 0 0 0 307 0 .32 0 7 Total Prec. 1930' ------------------------------------------------------------ .32 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 38 95 .07 .07 0 -0 3 30 600 37 98 .05 .12 0 -0 3 30 700 38 99 .08 .2 0 -0 3 30 800 39 98 0 .2 0 -0 3 30 900 43 81 0 .2 0 -0 3 30 1000 47 64 0 .2 0 -0 3 30 1100 48 55 0 .2 0 -0 3 30 1200 49 47 0 .2 0 -0 3 30 1300 51 33 0 .2 0 -0 3 30 1400 51 34 0 .2 0 -1 3 30 1500 49 35 0 .2 0 -0 3 30 1600 47 45 0 .2 0 -0 3 30 1700 44 61 0 .2 0 -0 3 30 1800 43 66 0 .2 0 -0 3 30 1900 41 76 0 .2 0 -0 3 30 2000 40 79 0 .2 0 -0 3 30 2100 40 79 0 .2 0 -0 3 30 2200 38 83 0 .2 0 -0 3 30 2300 37 85 0 .2 0 -0 3 31 0 37 85 0 .2 0 -0 3 31 100 36 87 0 .2 0 -0 3 31 200 35 90 0 .2 0 -0 3 31 300 34 92 0 .2 0 -0 3 31 400 34 93 0 .2 0 -0 Total Prec. 1190 ------------------------------------------------------------------ .2 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 12.9 30 213 0 3 30 600 12.8 27 225 0 3 30 700 12.8 25 233 4 3 30 800 12.8 25 239 9 3 30 900 12.8 25 233 11 3 30 1000 12.9 25 246 11 3 30 1100 12.9 26 229 11 3 30 1200 13.0 26 237 10 3 30 1300 13.2 27 231 10 3 30 1400 13.1 26 225 10 3 30 1500 13.2 26 230 10 3 30 1600 13.2 26 221 10 3 30 1700 13.1 26 235 9 3 30 1800 13.1 25 238 7 3 30 1900 13.0 25 244 2 3 30 2000 12.9 25 242 0 3 30 2100 12.9 25 232 0 3 30 2200 12.8 25 233 0 3 30 2300 12.8 25 229 0 3 31 0 12.8 25 227 0 3 31 100 12.8 25 246 0 3 31 200 12.8 24 245 0 3 31 300 12.8 24 234 0 3 31 400 12.8 24 226 0 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------------------------ 3 30 500 26 29 32 100 100 16 31 127 .06 .06 1 80 34 283 -3 3 30 600 25 28 32 100 99 21 39 179 .15 .21 2 81 34 283 -4 3 30 700 22 26 32 100 94 24 50 212 .04 .25 2 82 34 283 -2 3 30 800 23 28 32 98 95 19 41 202 .01 .26 4 82 31 136 -9 3 30 900 23 29 33 96 94 13 41 202 .02 .28 4 82 31 134 -5 3 30 1000 23 30 32 95 95 18 50 208 .02 .3 4 82 32 138 -6 3 30 1100 22 28 33 90 94 20 46 208 .01 .31 3 82 31 138 -4 3 30 1200 22 27 31 96 94 16 36 210 .02 .33 4 83 33 283 -4 3 30 1300 23 29 34 89 95 19 38 205 .06 .39 4 83 31 136 -5 3 30 1400 23 29 32 97 95 21 43 201 .08 .47 5 84 32 136 -9 3 30 1500 22 29 32 95 94 20 44 206 .05 .52 5 85 32 140 -9 3 30 1600 22 27 32 96 94 18 45 216 .06 .58 6 86 33 283 -9 3 30 1700 23 27 31 97 95 19 38 201 .09 .67 7 86 33 139 -8 3 30 1800 22 26 31 98 94 15 31 201 .06 .73 8 87 33 283 -7 3 30 1900 22 26 31 99 94 19 32 206 .04 .77 7 88 32 139 -0 3 30 2000 22 26 31 99 94 13 28 199 .05 .82 9 89 33 144 -6 3 30 2100 22 26 31 99 94 11 24 205 .03 .85 9 89 33 283 -6 3 30 2200 22 26 31 98 94 9 17 198 .06 .91 10 91 32 283 -4 3 30 2300 22 26 30 98 94 12 24 190 .05 .96 10 91 32 283 -6 3 31 0 22 26 30 99 94 14 28 201 .02 .98 10 89 32 145 -5 3 31 100 22 26 30 99 94 12 25 198 .03 1.01 11 93 32 147 -5 3 31 200 21 25 30 98 94 12 23 205 0 1.01 10 92 33 145 -5 3 31 300 21 25 30 98 93 8 21 209 .02 1.03 10 92 33 283 -4 3 31 400 21 25 30 98 93 12 23 200 .01 1.04 10 92 32 283 -3 Total Prec. 3100' ------------------------------------------------------------------------ 1.04 Page 1 3-31-2020 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' ------------------------------------------------------ 3 30 500 3 30 600 3 30 700 3 30 800 3 30 900 3 30 1000 3 30 1100 3 30 1200 3 30 1300 3 30 1400 3 30 1500 3 30 1600 3 30 1700 3 30 1800 3 30 1900 3 30 2000 3 30 2100 3 30 2200 3 30 2300 3 31 0 3 31 100 3 31 200 3 31 300 3 31 400 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 31 30 33 100 14 22 119 .08 .08 0 209 1003 3 30 600 31 30 33 99 19 36 199 .13 .21 2 69 1006 3 30 700 29 28 32 96 20 37 233 .14 .35 1 209 1007 3 30 800 28 28 33 94 11 18 217 .07 .42 3 209 1008 3 30 900 27 28 34 90 19 36 220 .03 .45 3 68 1009 3 30 1000 28 29 32 92 17 25 223 .05 .5 4 68 1009 3 30 1100 28 32 35 87 17 35 226 .01 .51 3 68 1010 3 30 1200 27 29 32 90 19 36 225 .01 .52 3 68 1010 3 30 1300 29 31 37 83 9 23 235 .05 .57 4 209 1010 3 30 1400 28 30 33 100 13 33 231 .09 .66 5 71 1011 3 30 1500 28 28 34 91 16 36 236 .15 .81 6 209 1011 3 30 1600 29 28 32 96 11 28 230 .08 .89 7 209 1011 3 30 1700 28 28 33 94 4 8 232 .14 1.03 7 209 1011 3 30 1800 28 28 32 98 12 23 224 .06 1.09 9 209 1012 3 30 1900 28 28 31 98 5 11 220 .07 1.16 9 209 1011 3 30 2000 28 28 31 98 3 6 203 .08 1.24 10 74 1012 3 30 2100 27 28 31 98 3 8 182 .04 1.28 10 209 1011 3 30 2200 28 28 31 98 1 3 193 .07 1.35 10 209 1012 3 30 2300 29 28 31 97 2 7 217 .05 1.4 11 209 1011 3 31 0 28 28 31 98 5 9 188 .04 1.44 11 209 1011 3 31 100 28 28 31 94 15 29 213 .02 1.46 12 209 1011 3 31 200 27 27 30 97 10 21 220 0 1.46 12 209 1011 3 31 300 27 27 30 98 11 18 227 0 1.46 11 209 1011 3 31 400 27 26 30 98 8 16 218 .01 1.47 11 209 1011 Total Prec. 3010' ------------------------------------------------------------------ 1.47 Page 1 3-31-2020 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' ------------------------------------------------------------ 3 30 500 34 76 33 0 0 0 -0 1002 3 30 600 35 71 34 0 0 0 -0 1002 3 30 700 30 84 32 .02 .02 0 -1 1003 3 30 800 28 85 31 0 .02 0 -0 1004 3 30 900 33 68 45 .1 .12 1 -0 1005 3 30 1000 34 61 51 .06 .18 0 -0 1005 3 30 1100 32 64 45 0 .18 0 0 1006 3 30 1200 36 59 51 0 .18 0 -0 1006 3 30 1300 36 55 48 0 .18 0 0 1007 3 30 1400 37 47 49 0 .18 0 0 1008 3 30 1500 35 54 42 0 .18 0 -0 1008 3 30 1600 31 75 36 0 .18 0 0 1009 3 30 1700 32 63 37 0 .18 0 -0 1009 3 30 1800 30 68 32 0 .18 0 0 1009 3 30 1900 29 71 28 0 .18 0 -0 1009 3 30 2000 28 72 28 0 .18 0 -0 1009 3 30 2100 28 71 27 0 .18 0 -0 1009 3 30 2200 28 72 28 0 .18 0 -0 1009 3 30 2300 28 77 28 0 .18 0 -0 1009 3 31 0 28 81 27 0 .18 0 -0 1009 3 31 100 27 82 27 0 .18 0 -0 1009 3 31 200 26 82 26 0 .18 0 0 1009 3 31 300 27 79 26 0 .18 0 0 1009 3 31 400 26 79 26 0 .18 0 -0 1009 Total Prec. 4100' ------------------------------------------ .18 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 24 30 31 95 100 42 65 220 .02 .02 2 39 3 30 600 24 29 31 95 100 44 61 219 .07 .09 2 39 3 30 700 24 30 31 95 100 45 62 222 .06 .15 2 39 3 30 800 21 28 29 93 100 34 61 256 .08 .23 3 40 3 30 900 18 25 28 92 100 42 75 260 .09 .32 3 40 3 30 1000 18 25 29 91 95 40 72 261 .04 .36 3 40 3 30 1100 19 26 30 91 92 42 73 261 .03 .39 3 39 3 30 1200 19 27 31 91 88 40 63 260 .03 .42 3 40 3 30 1300 20 29 32 90 81 39 63 261 .02 .44 3 40 3 30 1400 21 29 33 89 78 34 59 261 .02 .46 3 40 3 30 1500 22 29 33 88 82 32 53 259 0 .46 3 40 3 30 1600 22 28 33 88 85 34 50 256 .01 .47 0 40 3 30 1700 21 27 30 91 88 27 41 259 0 .47 0 40 3 30 1800 19 27 30 91 87 30 50 261 0 .47 0 40 3 30 1900 18 25 29 93 89 27 41 0 0 .47 0 40 3 30 2000 18 24 27 93 95 27 45 259 0 .47 0 40 3 30 2100 18 24 27 92 96 22 37 257 0 .47 0 41 3 30 2200 18 24 27 92 97 20 26 233 0 .47 0 42 3 30 2300 18 24 27 92 98 21 27 223 .01 .48 0 41 3 31 0 18 25 27 92 100 18 24 224 0 .48 0 39 3 31 100 18 24 26 92 100 18 22 224 .01 .49 0 41 3 31 200 18 24 27 92 100 16 22 240 .01 .5 0 40 3 31 300 17 24 27 92 100 19 28 255 .01 .51 0 40 3 31 400 17 23 26 92 98 21 33 258 0 .51 0 41 Total Prec. 5160' ------------------------------------------------------------------------ .51 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 25 31 99 94 9 28 61 203 .07 .07 35 58 3 30 600 24 31 98 94 6 23 52 233 .11 .18 26 -38 3 30 700 21 27 98 94 4 11 25 267 .13 .31 27 -151 3 30 800 18 27 96 90 5 16 32 269 .04 .35 30 63 3 30 900 19 29 97 83 3 12 24 266 0 .35 29 63 3 30 1000 20 29 97 84 0 7 40 221 .02 .37 30 62 3 30 1100 22 32 97 79 4 14 33 254 .01 .38 28 60 3 30 1200 23 33 97 72 3 9 16 235 .05 .43 29 62 3 30 1300 21 32 97 78 4 11 20 237 .01 .44 31 62 3 30 1400 22 31 98 79 4 17 52 212 0 .44 31 62 3 30 1500 21 30 97 85 4 15 32 224 .03 .47 30 62 3 30 1600 21 30 97 86 4 12 23 232 .01 .48 24 63 3 30 1700 21 27 97 91 3 8 18 225 .02 .5 25 61 3 30 1800 19 27 97 92 1 8 16 251 .04 .54 20 64 3 30 1900 19 26 97 92 2 6 13 203 .04 .58 21 63 3 30 2000 19 26 97 93 4 11 17 220 0 .58 24 65 3 30 2100 19 26 97 93 5 11 20 216 .01 .59 19 66 3 30 2200 19 26 97 93 6 11 20 226 .01 .6 23 64 3 30 2300 20 26 97 93 0 8 20 213 .04 .64 30 65 3 31 0 19 26 97 94 0 5 12 184 .06 .7 20 65 3 31 100 20 26 97 93 0 1 6 106 .05 .75 27 68 3 31 200 19 25 97 94 0 4 13 229 .09 .84 21 68 3 31 300 18 25 96 93 5 8 12 289 .06 .9 18 69 3 31 400 16 24 96 93 6 10 14 289 .01 .91 20 69 Total Prec. 4310' ------------------------------------------------------------------------ .91 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 26 38 121 3 30 600 25 38 123 3 30 700 22 39 124 3 30 800 20 40 124 3 30 900 21 41 124 3 30 1000 21 40 124 3 30 1100 26 40 123 3 30 1200 22 41 124 3 30 1300 21 42 124 3 30 1400 22 42 124 3 30 1500 22 40 125 3 30 1600 21 39 126 3 30 1700 21 39 126 3 30 1800 21 40 127 3 30 1900 20 40 127 3 30 2000 20 40 127 3 30 2100 20 39 127 3 30 2200 20 40 126 3 30 2300 20 40 127 3 31 0 20 38 130 3 31 100 20 39 130 3 31 200 20 40 131 Page 1 3-31-2020 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' ------------------------------------------------------------------------------ 3 30 500 25 27 88 95 1 8 201 41 .01 .01 377 3 30 600 25 27 89 94 0 6 247 43 .04 .05 377 3 30 700 22 25 88 94 0 2 232 42 .03 .08 377 3 30 800 21 25 95 93 0 2 241 44 .04 .12 377 3 30 900 20 24 92 91 0 2 240 47 .07 .19 377 3 30 1000 23 28 91 92 0 2 235 54 .13 .32 377 3 30 1100 21 28 95 92 0 1 242 54 .16 .48 377 3 30 1200 22 27 90 93 0 2 238 59 .15 .63 377 3 30 1300 22 27 91 92 0 2 240 54 .12 .75 377 3 30 1400 21 27 93 92 0 2 244 50 .12 .87 377 3 30 1500 21 26 96 93 0 2 234 52 .08 .95 377 3 30 1600 21 25 92 93 0 2 243 45 .07 1.02 377 3 30 1700 21 24 91 93 0 2 241 44 .06 1.08 377 3 30 1800 21 23 90 92 0 1 242 43 .04 1.12 377 3 30 1900 21 23 89 92 0 0 237 41 .04 1.16 377 3 30 2000 20 22 89 92 0 1 231 39 .02 1.18 341 3 30 2100 20 22 89 92 0 1 232 38 .01 1.19 336 3 30 2200 20 22 89 92 0 1 198 39 .02 1.21 335 3 30 2300 20 23 89 92 0 1 214 39 .02 1.23 337 3 31 0 21 22 89 92 0 1 211 39 .02 1.25 335 3 31 100 21 22 89 92 0 1 202 40 .02 1.27 334 3 31 200 20 22 89 92 0 0 218 40 .02 1.29 331 3 31 300 20 22 89 92 0 0 228 41 .03 1.32 332 3 31 400 20 21 89 91 0 0 236 42 .03 1.35 332 Total Prec. 5500' ------------------------------------------------------------------------ 1.35 Page 1 3-31-2020 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' ------------------------------------------------------------ 3 30 500 24 96 106 3 30 600 21 95 107 3 30 700 19 94 108 3 30 800 17 93 107 3 30 900 20 94 108 3 30 1000 18 93 107 3 30 1100 22 94 106 3 30 1200 20 93 106 3 30 1300 23 92 107 3 30 1400 20 94 106 3 30 1500 21 95 108 3 30 1600 20 94 109 3 30 1700 18 94 110 3 30 1800 19 95 109 3 30 1900 19 95 110 3 30 2000 19 95 111 3 30 2100 19 95 111 3 30 2200 19 95 111 3 30 2300 19 95 112 3 31 0 19 95 113 3 31 100 19 95 113 3 31 200 18 94 114 3 31 300 17 94 114 3 31 400 17 94 115 Page 1 3-31-2020 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' ------------------------------------------------------------------------ 3 30 500 28 100 .08 .08 4 199 3 30 600 25 98 .09 .17 6 201 3 30 700 24 97 .08 .25 8 201 3 30 800 22 94 .08 .33 9 202 3 30 900 23 95 .05 .38 8 202 3 30 1000 24 94 .05 .43 9 202 3 30 1100 24 92 .06 .49 10 203 3 30 1200 25 92 .06 .55 11 204 3 30 1300 25 93 .02 .57 0 204 3 30 1400 24 96 .01 .58 1 205 3 30 1500 25 93 .08 .66 2 205 3 30 1600 24 95 .08 .74 3 206 3 30 1700 24 96 .05 .79 4 206 3 30 1800 23 96 .07 .86 6 208 3 30 1900 23 96 .06 .92 6 208 3 30 2000 22 97 .02 .94 7 209 3 30 2100 23 96 .05 .99 8 209 3 30 2200 23 97 .06 1.05 9 211 3 30 2300 23 97 .06 1.11 10 212 3 31 0 23 97 .04 1.15 11 212 3 31 100 22 97 .05 1.2 11 212 3 31 200 22 96 .06 1.26 12 213 3 31 300 22 97 .06 1.32 13 214 3 31 400 21 96 .03 1.35 13 215 Total Prec. 5400' ------------------------------------------------------ 1.35 Page 1 3-31-2020 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' --------------------------------------------------------------- 3 30 500 12 94 41 54 63 281 0 3 30 600 10 93 29 43 55 281 1 3 30 700 7 92 28 43 59 281 27 3 30 800 3 90 28 40 57 281 245 3 30 900 3 91 22 36 47 281 516 3 30 1000 4 91 12 27 42 281 547 3 30 1100 3 91 13 31 46 281 639 3 30 1200 6 91 21 33 48 281 656 3 30 1300 5 91 21 34 46 281 504 3 30 1400 5 92 27 40 52 281 496 3 30 1500 5 91 31 41 49 281 342 3 30 1600 6 92 19 32 43 281 270 3 30 1700 6 91 13 28 45 281 157 3 30 1800 6 92 14 27 42 281 61 3 30 1900 5 91 18 30 40 281 7 3 30 2000 6 92 16 31 43 281 0 3 30 2100 6 91 24 35 44 281 0 3 30 2200 6 92 22 30 38 281 0 3 30 2300 5 91 19 28 39 281 0 3 31 0 5 91 16 28 38 281 0 3 31 100 5 91 7 22 33 281 0 3 31 200 5 91 11 22 32 281 0 3 31 300 4 91 10 19 25 281 0 3 31 400 3 90 16 24 34 281 0 Page 1 3-31-2020 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' ------------------------------------------------------------------------------ 3 30 500 28 97 6 29 72 254 .02 .02 140 3 30 600 25 99 8 30 61 273 .09 .11 141 3 30 700 23 98 16 31 62 282 .14 .25 143 3 30 800 21 96 18 36 74 275 .06 .31 144 3 30 900 22 97 12 31 62 281 .04 .35 144 3 30 1000 24 97 18 36 62 278 .05 .4 145 3 30 1100 24 97 22 36 56 276 .07 .47 145 3 30 1200 26 97 19 32 49 291 .06 .53 146 3 30 1300 23 97 16 26 51 285 .09 .62 147 3 30 1400 24 97 16 31 57 282 .06 .68 148 3 30 1500 23 97 18 36 65 285 .05 .73 149 3 30 1600 23 97 12 25 47 281 .02 .75 149 3 30 1700 22 98 18 34 61 290 .07 .82 149 3 30 1800 23 98 13 24 47 287 .06 .88 150 3 30 1900 22 98 20 30 47 287 .05 .93 151 3 30 2000 22 98 11 22 37 286 .05 .98 151 3 30 2100 22 98 12 22 41 274 .03 1.01 152 3 30 2200 22 98 14 25 38 273 .02 1.03 152 3 30 2300 22 98 13 25 43 278 .03 1.06 152 3 31 0 22 98 11 22 48 288 .07 1.13 153 3 31 100 22 98 9 22 34 285 .04 1.17 154 3 31 200 22 98 9 16 27 288 .07 1.24 154 3 31 300 21 97 14 24 44 287 .02 1.26 154 3 31 400 21 97 14 27 40 284 .03 1.29 155 Total Prec. 5800' ------------------------------------------------------------------------ 1.29 Page 1 3-31-2020 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' ------------------------------------------------------ Total Prec. 3260' ------------------------------------------------------ 0 Page 1 3-31-2020 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' ------------------------------------------------------------------------ 3 30 500 28 100 4 10 22 264 .06 .06 6 150 3 30 600 28 100 6 13 29 269 .06 .12 7 150 3 30 700 26 99 8 13 23 273 .1 .22 8 151 3 30 800 24 98 5 12 24 280 .08 .3 10 152 3 30 900 23 97 8 14 28 282 .09 .39 11 152 3 30 1000 22 96 7 14 23 283 .06 .45 12 153 3 30 1100 24 96 6 11 20 281 .07 .52 42 153 3 30 1200 24 96 5 10 18 277 .08 .6 14 155 3 30 1300 24 97 7 12 22 276 .06 .66 15 155 3 30 1400 24 97 7 12 23 275 .07 .73 16 156 3 30 1500 24 97 6 15 30 270 .04 .77 16 157 3 30 1600 24 97 5 12 22 272 .07 .84 17 157 3 30 1700 24 97 5 10 21 280 .09 .93 19 158 3 30 1800 24 98 5 11 23 274 .05 .98 19 159 3 30 1900 24 98 5 11 24 272 .07 1.05 22 160 3 30 2000 24 98 5 10 20 273 .06 1.11 23 161 3 30 2100 23 98 5 11 23 269 .01 1.12 0 161 3 30 2200 24 98 4 9 17 282 .05 1.17 2 162 3 30 2300 24 98 5 9 16 277 .07 1.24 3 159 3 31 0 23 98 4 8 16 275 .09 1.33 6 165 3 31 100 23 97 3 9 20 279 .09 1.42 7 166 3 31 200 22 97 5 10 20 277 .06 1.48 7 166 3 31 300 22 96 5 9 16 273 .09 1.57 8 167 3 31 400 22 96 4 9 15 266 .07 1.64 9 167 Total Prec. 5880' ------------------------------------------------------------ 1.64 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 25 99 0 0 2 206 3 30 600 25 99 0 0 2 0 3 30 700 23 98 0 0 2 0 3 30 800 22 97 0 0 2 347 3 30 900 21 96 0 0 1 335 3 30 1000 21 95 0 0 2 329 3 30 1100 22 95 0 0 1 342 3 30 1200 23 94 0 0 2 332 3 30 1300 23 95 0 0 2 0 3 30 1400 22 95 0 0 2 320 3 30 1500 22 96 0 0 2 0 3 30 1600 22 95 0 0 2 0 3 30 1700 22 96 0 0 2 0 3 30 1800 22 97 0 0 2 0 3 30 1900 21 96 0 0 2 0 3 30 2000 21 96 0 0 2 0 3 30 2100 20 96 0 0 2 0 3 30 2200 21 97 0 0 2 0 3 30 2300 21 96 0 0 2 0 3 31 0 20 96 0 0 2 0 3 31 100 20 96 0 0 2 0 3 31 200 20 96 0 0 2 331 3 31 300 19 96 0 0 2 0 3 31 400 19 96 0 0 2 0 Page 1 3-31-2020 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' ------------------------------------------------------------------------------------ 3 30 500 25 29 91 95 21 32 246 .09 .09 64 118 1005 3 30 600 25 30 91 96 22 42 255 .08 .17 65 118 1005 3 30 700 23 28 90 95 22 37 200 .11 .28 63 119 1006 3 30 800 21 26 89 94 22 34 227 .09 .37 64 120 1007 3 30 900 19 25 89 94 23 38 255 .09 .46 66 121 1007 3 30 1000 18 24 89 94 23 39 172 .08 .54 69 121 1008 3 30 1100 19 25 89 94 21 34 283 .08 .62 70 122 1009 3 30 1200 20 26 89 94 20 40 238 .08 .7 70 122 1009 3 30 1300 20 26 90 95 20 46 157 .08 .78 69 123 1009 3 30 1400 20 26 90 95 19 34 146 .06 .84 68 124 1009 3 30 1500 20 26 90 95 19 40 230 .06 .9 66 125 1009 3 30 1600 20 26 89 95 17 40 282 .09 .99 66 125 1010 3 30 1700 20 26 90 95 20 36 267 .13 1.12 65 127 1010 3 30 1800 21 26 90 96 20 36 156 .06 1.18 64 127 1010 3 30 1900 20 26 90 95 16 25 156 .07 1.25 64 129 1010 3 30 2000 20 25 90 95 16 34 156 .06 1.31 64 130 1010 3 30 2100 19 25 90 95 17 30 155 .01 1.32 63 129 1010 3 30 2200 20 26 90 95 17 30 156 .07 1.39 64 130 1010 3 30 2300 20 26 90 95 13 25 156 .09 1.48 64 128 1009 3 31 0 20 25 90 95 13 27 156 .11 1.59 63 133 1010 3 31 100 19 24 89 95 19 30 156 .08 1.67 63 135 1009 3 31 200 19 25 89 95 19 31 156 .08 1.75 63 135 1009 3 31 300 19 24 89 95 19 32 155 .07 1.82 64 136 1008 3 31 400 19 24 89 95 15 26 156 .07 1.89 63 137 1009 Total Prec. 5380' ------------------------------------------------------------------ 1.89 Page 1 3-31-2020 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' ------------------------------------------------ 3 30 500 24 97 32 50 74 178 3 30 600 24 97 34 59 94 247 3 30 700 22 95 28 54 74 346 3 30 800 21 95 35 53 75 346 3 30 900 20 95 33 52 78 346 3 30 1000 19 95 35 53 74 346 3 30 1100 21 96 36 52 75 346 3 30 1200 22 96 35 52 73 346 3 30 1300 21 96 35 57 79 345 3 30 1400 22 96 34 54 79 345 3 30 1500 21 96 29 52 79 343 3 30 1600 21 95 24 44 72 343 3 30 1700 21 95 27 45 60 343 3 30 1800 20 95 33 51 76 343 3 30 1900 20 95 30 47 67 343 3 30 2000 19 95 29 46 69 343 3 30 2100 18 94 26 48 67 343 3 30 2200 19 95 28 42 60 343 3 30 2300 19 94 26 44 59 343 3 31 0 19 94 29 42 55 343 3 31 100 18 94 19 34 50 343 3 31 200 18 94 27 41 61 343 3 31 300 18 94 24 39 58 343 3 31 400 18 94 20 36 52 343 Page 1 3-31-2020 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' ------------------------------------------------------------------------------ 3 30 500 33 98 0 0 3 30 600 34 99 0 0 3 30 700 33 98 .01 .01 3 30 800 32 98 0 .01 3 30 900 31 98 0 .01 3 30 1000 31 97 0 .01 3 30 1100 32 96 .01 .02 3 30 1200 31 96 0 .02 3 30 1300 32 96 .02 .04 3 30 1400 32 96 0 .04 3 30 1500 32 95 0 .04 3 30 1600 32 96 0 .04 3 30 1700 32 96 0 .04 3 30 1800 32 96 .02 .06 3 30 1900 31 97 0 .06 3 30 2000 31 97 0 .06 3 30 2100 31 97 0 .06 3 30 2200 31 96 0 .06 3 30 2300 32 97 0 .06 3 31 0 31 97 0 .06 3 31 100 31 97 .01 .07 3 31 200 31 97 0 .07 3 31 300 31 97 0 .07 3 31 400 31 97 0 .07 Total Prec. 3660' ------------------------------------------------------------------------ .07 Page 1