ZCZC SEAOSOALL DEF TTAA00 KSEA DDHHMM 9-20-2021 Northwest Avalanche Center Hurricane Ridge, Olympic National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total Total SR50 PST F % Min Avg Max Dir Prec. Prec. Snow Snow 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' ------------------------------------------------------------------------ 9 19 500 36 99 0 4 9 216 0 0 4 -3 9 19 600 36 99 0 4 9 221 0 0 3 -2 9 19 700 36 99 0 4 9 222 0 0 3 -5 9 19 800 37 99 2 5 9 215 0 0 4 -4 9 19 900 39 97 2 6 12 207 0 0 4 13 9 19 1000 39 97 2 6 9 209 0 0 5 13 9 19 1100 39 98 2 5 9 214 0 0 4 13 9 19 1200 41 99 0 4 10 216 0 0 5 4 9 19 1300 40 96 0 2 7 251 .02 .02 5 -2 9 19 1400 41 99 0 3 9 279 .03 .05 4 7 9 19 1500 39 98 0 5 11 299 .03 .08 8 13 9 19 1600 38 99 0 5 13 330 0 .08 7 13 9 19 1700 38 98 1 6 11 309 0 .08 7 -3 9 19 1800 37 98 0 5 11 319 0 .08 7 10 9 19 1900 37 99 0 3 8 312 0 .08 8 -3 9 19 2000 37 99 0 4 11 313 0 .08 7 -3 9 19 2100 36 99 0 3 9 302 0 .08 7 13 9 19 2200 36 99 0 2 7 282 0 .08 7 13 9 19 2300 36 98 0 0 5 287 0 .08 7 13 9 20 0 36 99 0 3 7 274 0 .08 6 13 9 20 100 36 98 0 4 7 236 0 .08 3 13 9 20 200 36 97 0 2 5 230 0 .08 6 -3 9 20 300 36 95 0 1 6 222 0 .08 6 10 9 20 400 35 95 0 0 3 275 0 .08 3 9 Total Prec. 5250' ------------------------------------------------------------ .08 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------ 33 100 6 8 11 181 34 100 6 9 14 175 35 100 6 9 12 175 35 100 4 6 13 191 37 100 0 5 7 185 37 100 0 4 9 180 37 100 0 6 9 198 38 100 0 4 9 191 38 100 2 6 12 174 38 100 0 5 9 197 36 99 0 5 8 221 37 100 0 6 13 175 38 100 4 7 13 174 38 100 4 9 13 186 38 100 4 8 14 183 37 100 6 10 13 190 37 100 5 8 13 177 37 100 5 10 15 171 38 100 4 11 18 195 38 100 6 10 14 188 37 100 1 5 13 209 37 100 2 6 11 220 38 100 0 5 10 240 37 98 0 4 11 299 Total Prec. 4210' ------------------------------------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------ Total Prec. 5450' ------------------------------------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------ 9 19 500 45 89 0 0 0 206 0 0 0 -0 9 19 600 44 92 3 0 2 7 0 0 0 -0 9 19 700 45 90 46 0 2 127 0 0 0 -0 9 19 800 51 66 107 0 4 285 0 0 0 -0 9 19 900 56 52 110 0 4 284 0 0 0 -0 9 19 1000 58 45 139 2 7 333 0 0 0 -0 9 19 1100 60 42 142 2 7 305 0 0 0 -0 9 19 1200 60 40 439 2 6 288 0 0 0 -0 9 19 1300 60 42 158 2 9 316 0 0 0 -0 9 19 1400 60 42 239 2 6 311 0 0 0 -0 9 19 1500 59 43 82 1 4 307 0 0 0 -0 9 19 1600 58 48 77 1 4 302 0 0 0 -0 9 19 1700 57 48 30 0 4 295 0 0 0 -0 9 19 1800 56 46 3 1 4 285 0 0 0 0 9 19 1900 54 48 0 0 3 281 0 0 0 -0 9 19 2000 52 55 0 0 3 304 0 0 0 -0 9 19 2100 51 58 0 0 2 271 0 0 0 -0 9 19 2200 50 60 0 0 2 281 0 0 0 -0 9 19 2300 51 53 0 0 3 316 0 0 0 -0 9 20 0 50 58 0 0 4 323 0 0 0 -0 9 20 100 48 61 0 0 2 285 0 0 0 -0 9 20 200 48 60 0 0 4 293 0 0 0 -0 9 20 300 48 62 0 1 4 291 0 0 0 -0 Total Prec. 2170' ------------------------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 37 37 0 6 18 286 9 19 600 36 37 0 8 20 294 9 19 700 37 37 0 10 25 286 9 19 800 37 37 1 15 32 290 9 19 900 37 38 0 14 36 291 9 19 1000 37 38 2 14 31 287 9 19 1100 37 38 0 12 28 288 9 19 1200 38 39 0 12 29 287 9 19 1300 38 40 0 13 28 292 9 19 1400 38 39 2 14 28 285 9 19 1500 39 39 0 7 22 284 9 19 1600 39 39 0 6 22 294 9 19 1700 39 39 0 4 18 292 9 19 1800 39 39 0 8 29 287 9 19 1900 37 37 2 9 24 279 9 19 2000 36 37 3 8 17 270 9 19 2100 37 37 6 12 20 273 9 19 2200 37 37 2 11 18 272 9 19 2300 37 37 6 13 22 275 9 20 0 37 37 0 13 22 275 9 20 100 37 37 8 15 25 275 9 20 200 37 37 3 16 23 274 9 20 300 37 37 8 14 24 275 9 20 400 37 37 4 10 15 276 Page 1 9-20-2021 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' ------------------------------------------------------ 9 19 500 41 96 .03 .03 0 0 1011 9 19 600 41 96 .08 .11 0 1 1011 9 19 700 41 96 .05 .16 0 0 1012 9 19 800 42 96 .06 .22 0 1 1013 9 19 900 42 96 .06 .28 0 0 1013 9 19 1000 43 95 .07 .35 0 1 1014 9 19 1100 43 93 .07 .42 0 1 1015 9 19 1200 44 94 .05 .47 0 1 1016 9 19 1300 44 94 .04 .51 0 0 1017 9 19 1400 43 93 .07 .58 0 0 1017 9 19 1500 43 95 .07 .65 0 0 1017 9 19 1600 43 95 .04 .69 0 0 1017 9 19 1700 44 95 .01 .7 0 0 1018 9 19 1800 44 95 .07 .77 0 0 1018 9 19 1900 43 96 .13 .9 0 0 1020 9 19 2000 41 95 .11 1.01 0 1 1020 9 19 2100 41 95 .03 1.04 0 1 1021 9 19 2200 41 96 .01 1.05 0 1 1021 9 19 2300 41 96 .02 1.07 0 0 1022 9 20 0 41 96 0 1.07 0 1 1022 9 20 100 41 96 .01 1.08 0 0 1022 9 20 200 41 96 .02 1.1 0 1 1023 9 20 300 42 96 .03 1.13 0 1 1023 9 20 400 41 96 .03 1.16 0 0 1023 Total Prec. 3950' ------------------------------------ 1.16 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 38 99 .02 .02 -184 -129 9 19 600 38 97 .03 .05 -151 -106 9 19 700 38 97 .03 .08 -140 6 9 19 800 38 95 .04 .12 -4 -79 9 19 900 39 97 .04 .16 -109 -120 9 19 1000 39 97 .04 .2 45 -46 9 19 1100 39 94 .05 .25 26 -12 9 19 1200 40 94 .02 .27 23 198 9 19 1300 40 95 .02 .29 27 218 9 19 1400 39 95 .05 .34 22 88 9 19 1500 40 97 .04 .38 28 60 9 19 1600 40 99 .04 .42 27 2 9 19 1700 40 99 .02 .44 56 91 9 19 1800 40 98 .04 .48 67 107 9 19 1900 38 98 .06 .54 60 98 9 19 2000 37 98 .1 .64 70 43 9 19 2100 38 98 .04 .68 -162 18 9 19 2200 38 98 .01 .69 -146 29 9 19 2300 38 96 0 .69 -101 160 9 20 0 38 95 0 .69 41 182 9 20 100 38 96 .01 .7 74 136 9 20 200 38 96 .01 .71 76 112 9 20 300 38 97 .02 .73 77 -4 9 20 400 38 98 .02 .75 82 -5 Total Prec. 4800' ------------------------------------ .75 Page 1 9-20-2021 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' ------------------------------------------------------ 9 19 500 38 0 3 14 284 21 368 9 19 600 37 0 4 16 304 25 353 9 19 700 38 0 4 18 297 19 317 9 19 800 37 0 5 20 290 27 345 9 19 900 39 0 5 18 290 23 222 9 19 1000 39 0 6 20 291 22 333 9 19 1100 39 0 6 23 296 24 340 9 19 1200 40 0 6 20 298 24 351 9 19 1300 39 0 6 23 293 22 359 9 19 1400 38 0 6 18 310 22 336 9 19 1500 40 0 4 16 297 25 346 9 19 1600 40 0 3 17 276 23 351 9 19 1700 40 0 3 13 295 18 286 9 19 1800 40 0 4 19 283 21 340 9 19 1900 38 0 7 21 332 24 278 9 19 2000 37 0 4 21 291 26 286 9 19 2100 38 0 1 10 256 22 212 9 19 2200 38 0 3 12 299 27 214 9 19 2300 38 100 4 16 296 25 335 9 20 0 38 0 3 11 275 26 276 9 20 100 38 0 2 11 270 23 209 9 20 200 38 0 4 14 287 26 344 9 20 300 38 0 2 9 276 21 346 9 20 400 38 0 2 8 284 20 261 Page 1 9-20-2021 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' ------------------------------------------------------ Total Prec. 2700' ------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 33 98 15 22 29 230 9 19 600 34 99 12 18 26 234 9 19 700 33 99 8 16 25 238 9 19 800 34 98 9 15 23 231 9 19 900 35 99 5 9 16 246 9 19 1000 34 99 3 12 20 254 9 19 1100 35 98 8 15 26 233 9 19 1200 35 98 6 14 22 230 9 19 1300 36 98 8 16 24 225 9 19 1400 36 98 9 19 31 226 9 19 1500 37 99 10 17 28 228 9 19 1600 36 99 7 14 29 233 9 19 1700 36 99 9 16 22 240 9 19 1800 35 99 8 14 19 246 9 19 1900 34 99 11 16 22 265 9 19 2000 34 96 4 15 29 274 9 19 2100 34 94 4 15 25 281 9 19 2200 34 94 2 8 20 263 9 19 2300 34 90 4 9 16 266 9 20 0 34 88 9 18 28 272 9 20 100 34 97 9 15 22 246 9 20 200 33 98 14 20 27 250 9 20 300 34 94 13 20 28 277 9 20 400 34 90 12 19 26 273 Page 1 9-20-2021 Northwest Avalanche Center Lake Wenatchee State Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Hour Total 24 Hr Total PST F % Prec. Prec. Snow Snow 1930' 1930' 1930' 1930' 1930' 1930' ------------------------------------------------ 9 19 500 41 95 0 0 0 -0 9 19 600 40 96 0 0 0 -0 9 19 700 42 96 0 0 0 -0 9 19 800 44 95 0 0 0 -0 9 19 900 53 79 0 0 0 -0 9 19 1000 57 64 0 0 0 -0 9 19 1100 59 59 0 0 0 -0 9 19 1200 59 61 0 0 0 -0 9 19 1300 57 65 0 0 0 -0 9 19 1400 60 57 0 0 0 -0 9 19 1500 59 57 0 0 0 -0 9 19 1600 57 63 0 0 0 -0 9 19 1700 56 72 0 0 0 -0 9 19 1800 52 82 .01 .01 0 -0 9 19 1900 49 89 .01 .02 0 -0 9 19 2000 47 92 0 .02 0 -0 9 19 2100 46 93 0 .02 0 -0 9 19 2200 44 95 0 .02 0 -0 9 19 2300 44 95 0 .02 0 -0 9 20 0 44 95 0 .02 0 -0 9 20 100 42 96 0 .02 0 -0 9 20 200 40 95 0 .02 0 -0 9 20 300 39 96 0 .02 0 -0 9 20 400 39 96 0 .02 0 -0 Total Prec. 1930' ------------------------------------ .02 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------ 9 19 500 42 45 75 93 6 17 286 0 0 -30 0 2 9 19 600 42 43 76 94 11 25 264 0 0 -30 0 3 9 19 700 43 44 72 93 9 20 259 0 0 -29 0 3 9 19 800 44 46 69 88 8 16 260 0 0 -29 -0 1 9 19 900 43 52 79 74 6 18 264 0 0 -25 -0 3 9 19 1000 47 58 66 59 3 9 219 0 0 -20 -0 3 9 19 1100 48 63 61 47 5 15 239 0 0 -15 -0 2 9 19 1200 51 65 57 42 4 13 244 0 0 -17 -0 0 9 19 1300 54 66 52 37 6 16 253 0 0 -17 -0 1 9 19 1400 56 67 49 34 5 19 251 0 0 -17 -0 2 9 19 1500 51 67 57 36 11 27 257 0 0 -18 -0 2 9 19 1600 48 64 62 39 7 23 257 0 0 -17 -0 3 9 19 1700 46 63 68 45 8 22 261 0 0 -17 -0 1 9 19 1800 45 61 71 49 10 20 264 0 0 -14 -0 2 9 19 1900 43 59 90 56 8 20 294 0 0 -16 -0 1 9 19 2000 43 57 90 64 5 10 340 0 0 -17 -0 1 9 19 2100 42 54 78 72 9 21 262 0 0 -20 -0 3 9 19 2200 43 53 74 75 4 13 261 0 0 -22 -0 6 9 19 2300 42 53 78 73 3 7 254 0 0 -21 -0 2 9 20 0 42 52 73 77 4 12 316 0 0 -23 -0 3 9 20 100 43 49 70 80 8 21 283 0 0 -25 -0 4 9 20 200 43 48 69 83 16 28 259 0 0 -28 0 3 9 20 300 44 46 67 87 15 32 261 0 0 -27 0 2 9 20 400 42 45 75 88 9 23 259 0 0 -26 0 2 Total Prec. 1190 ------------------------------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 12.6 39 230 0 9 19 600 12.6 39 204 0 9 19 700 12.6 39 221 4 9 19 800 12.6 39 211 9 9 19 900 12.7 40 219 10 9 19 1000 12.7 40 216 10 9 19 1100 12.8 40 244 10 9 19 1200 12.9 40 234 10 9 19 1300 13.1 41 242 10 9 19 1400 13.2 41 226 10 9 19 1500 13.2 41 216 10 9 19 1600 13.3 42 221 10 9 19 1700 13.3 42 245 10 9 19 1800 13.3 41 236 9 9 19 1900 13.2 40 231 0 9 19 2000 13.0 40 238 0 9 19 2100 12.9 40 235 0 9 19 2200 12.9 40 230 0 9 19 2300 12.8 40 226 0 9 20 0 12.8 40 228 0 9 20 100 12.8 40 198 0 9 20 200 12.8 40 192 0 9 20 300 12.7 39 224 0 9 20 400 12.7 39 207 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------------------------ 9 19 500 36 40 44 98 98 0 0 51 .05 .05 53 7 -1 21 -82 9 19 600 36 40 44 99 98 0 0 52 .04 .09 53 7 2 21 -84 9 19 700 36 40 44 99 98 0 0 52 .09 .18 53 7 7 20 -82 9 19 800 36 40 45 99 98 0 0 52 .07 .25 52 8 2 21 -82 9 19 900 37 41 45 99 98 0 0 52 .11 .36 53 7 4 23 -84 9 19 1000 38 41 47 99 98 0 0 52 .01 .37 52 8 6 21 -82 9 19 1100 37 41 46 98 98 0 0 52 .02 .39 52 8 10 24 -82 9 19 1200 37 42 46 98 98 0 0 52 .02 .41 52 7 10 20 -82 9 19 1300 38 42 47 98 98 0 0 52 .04 .45 52 8 9 20 -81 9 19 1400 38 42 46 98 98 0 0 51 .08 .53 52 8 10 23 -81 9 19 1500 37 42 46 98 98 0 0 51 .07 .6 52 8 11 19 -84 9 19 1600 38 42 46 98 98 0 0 51 .01 .61 52 8 8 24 -82 9 19 1700 38 42 46 99 98 0 0 51 0 .61 52 8 11 20 -80 9 19 1800 38 42 46 98 98 0 0 51 .01 .62 52 8 13 29 -82 9 19 1900 37 41 45 98 98 0 0 51 .01 .63 53 8 12 21 -78 9 19 2000 37 41 45 98 98 0 0 51 .3 .93 52 8 13 29 -80 9 19 2100 37 41 45 98 98 0 0 51 .23 1.16 53 8 11 30 -79 9 19 2200 36 40 44 98 98 0 0 51 .19 1.35 53 7 4 26 -79 9 19 2300 35 39 43 97 98 0 0 51 .16 1.51 53 8 2 29 -81 9 20 0 36 40 43 98 98 0 0 52 .03 1.54 53 7 6 29 -79 9 20 100 36 40 43 98 98 0 0 52 0 1.54 53 8 8 22 -82 9 20 200 36 40 43 99 98 0 0 52 0 1.54 47 8 11 28 -81 9 20 300 36 40 43 98 98 0 0 53 0 1.54 47 8 8 30 -84 9 20 400 36 40 44 99 98 0 0 53 0 1.54 46 8 11 28 -80 Total Prec. 3100' ------------------------------------------------------------------------ 1.54 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------------------------ 9 19 500 41 41 44 100 5 8 214 .04 .04 0 0 1012 0 0 53 9 19 600 41 41 44 100 4 11 226 .07 .11 0 0 1013 0 0 53 9 19 700 42 42 44 100 13 26 233 .03 .14 0 0 1014 0 0 53 9 19 800 42 42 45 100 13 21 226 .05 .19 0 0 1014 0 0 54 9 19 900 43 43 47 100 13 22 235 .03 .22 0 0 1015 0 0 55 9 19 1000 43 43 49 97 13 22 236 .05 .27 0 0 1016 0 0 57 9 19 1100 43 45 48 97 13 20 230 0 .27 0 0 1017 0 0 58 9 19 1200 44 46 48 97 13 25 225 0 .27 0 0 1018 0 0 58 9 19 1300 44 44 49 98 9 16 232 .04 .31 0 0 1018 0 0 59 9 19 1400 43 44 48 97 12 20 223 .12 .43 0 0 1019 0 0 58 9 19 1500 44 43 47 99 13 25 236 .1 .53 0 0 1019 0 0 58 9 19 1600 44 44 47 99 11 20 239 .01 .54 0 0 1019 0 0 57 9 19 1700 45 44 47 99 12 23 233 0 .54 0 0 1020 0 0 57 9 19 1800 45 44 46 99 19 36 233 .01 .55 0 0 1020 0 0 56 9 19 1900 45 44 46 98 19 35 228 .01 .56 0 0 1021 0 0 55 9 19 2000 44 44 46 100 10 20 229 .2 .76 0 0 1022 0 0 54 9 19 2100 43 43 45 100 14 20 225 .14 .9 0 0 1022 0 0 54 9 19 2200 43 43 44 100 11 19 215 .13 1.03 0 0 1023 0 0 54 9 19 2300 42 40 43 100 12 25 285 .17 1.2 0 0 1024 0 0 53 9 20 0 43 41 43 100 11 29 253 .03 1.23 0 0 1024 0 0 53 9 20 100 42 42 43 100 7 13 243 0 1.23 0 0 1024 0 0 53 9 20 200 43 42 44 100 11 21 250 .01 1.24 0 0 1025 0 0 53 9 20 300 42 42 44 100 10 18 244 0 1.24 0 0 1025 0 0 53 9 20 400 42 42 44 100 7 12 234 0 1.24 0 0 1025 0 0 53 Total Lysim Prec. Total 3010' 3010' ------------------------------------------------------------------------------------------------ 1.24 0 Page 1 9-20-2021 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' ------------------------------------------------------------ 9 19 500 41 73 40 0 0 30 27 1010 9 19 600 41 73 40 0 0 29 25 1011 9 19 700 43 72 43 0 0 29 27 1012 9 19 800 44 68 45 0 0 29 27 1013 9 19 900 50 58 65 0 0 47 28 1014 9 19 1000 51 55 66 0 0 60 27 1014 9 19 1100 52 53 65 0 0 69 28 1015 9 19 1200 51 50 61 0 0 69 28 1016 9 19 1300 53 50 64 0 0 75 29 1016 9 19 1400 55 44 68 0 0 80 28 1017 9 19 1500 49 61 54 0 0 74 26 1018 9 19 1600 48 60 51 0 0 70 27 1018 9 19 1700 47 64 48 0 0 66 18 1018 9 19 1800 46 67 46 0 0 62 28 1018 9 19 1900 44 74 43 0 0 59 25 1019 9 19 2000 44 68 43 0 0 56 25 1020 9 19 2100 43 71 42 0 0 53 27 1020 9 19 2200 43 73 41 0 0 51 26 1020 9 19 2300 42 73 40 0 0 48 26 1021 9 20 0 41 73 39 0 0 46 29 1021 9 20 100 40 74 37 0 0 43 26 1021 9 20 200 41 72 38 0 0 41 28 1022 9 20 300 38 75 36 0 0 39 28 1022 9 20 400 38 73 36 0 0 37 26 1023 Total Prec. 4100' ------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------ Total Prec. 5160' ------------------------------------------------------------------------ 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------------ 9 19 500 31 37 100 96 6 15 23 273 .01 .01 -58 6 10 9 19 600 32 37 100 96 6 13 20 273 0 .01 -50 12 2 9 19 700 32 38 100 95 8 15 27 273 .01 .02 -52 5 3 9 19 800 32 40 100 92 8 18 31 274 .03 .05 -38 2 2 9 19 900 32 41 100 92 7 18 32 267 0 .05 -25 19 4 9 19 1000 33 44 100 85 6 17 32 269 0 .05 -23 -47 4 9 19 1100 34 43 100 86 5 16 27 274 0 .05 -10 20 6 9 19 1200 34 44 97 78 6 16 28 274 .01 .06 -13 30 4 9 19 1300 36 44 97 81 4 13 31 269 0 .06 -6 13 8 9 19 1400 36 44 95 81 4 9 19 262 0 .06 -7 16 2 9 19 1500 36 42 99 93 4 9 17 256 .04 .1 -14 16 4 9 19 1600 34 42 99 91 4 15 25 272 .05 .15 -22 19 2 9 19 1700 35 42 99 93 6 14 29 273 .03 .18 -12 18 3 9 19 1800 34 41 100 93 2 14 29 276 .01 .19 -28 16 2 9 19 1900 33 41 100 93 9 21 35 273 .02 .21 -20 21 3 9 19 2000 31 38 97 95 9 21 35 276 0 .21 -33 18 3 9 19 2100 31 37 99 95 10 18 30 275 0 .21 -31 20 3 9 19 2200 31 38 100 95 8 17 29 274 0 .21 -27 13 2 9 19 2300 31 38 100 96 5 15 28 272 0 .21 -33 14 -0 9 20 0 31 38 100 95 8 16 26 271 0 .21 -22 10 2 9 20 100 31 37 100 95 8 25 34 267 0 .21 -31 17 -7 9 20 200 31 37 100 96 9 23 32 268 0 .21 -33 12 2 9 20 300 31 36 100 96 13 25 34 270 0 .21 -39 6 3 9 20 400 31 37 100 96 9 18 26 274 0 .21 -47 3 2 Total Prec. 4540' ------------------------------------------------------------------------ .21 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 33 34 27 4 -80 0 9 19 600 33 34 26 3 -88 0 9 19 700 33 34 27 3 -69 0 9 19 800 33 35 28 3 -59 0 9 19 900 35 37 27 2 -66 0 9 19 1000 37 39 28 3 -68 0 9 19 1100 36 38 27 5 -55 -0 9 19 1200 36 38 27 3 -58 -0 9 19 1300 38 38 27 3 -50 0 9 19 1400 38 39 28 3 -56 0 9 19 1500 37 38 27 4 -72 0 9 19 1600 36 37 28 4 -76 0 9 19 1700 36 37 26 2 -69 0 9 19 1800 35 36 27 4 -80 0 9 19 1900 35 35 28 4 -72 0 9 19 2000 33 33 29 4 -63 1 9 19 2100 33 34 28 4 -62 1 9 19 2200 33 34 29 4 -83 1 9 19 2300 33 35 29 4 -56 1 9 20 0 33 35 28 2 -62 1 9 20 100 33 36 29 3 -73 0 9 20 200 33 34 29 2 -69 0 9 20 300 33 34 29 5 -62 0 9 20 400 33 35 29 4 -85 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------ 9 19 500 32 34 99 96 8 13 212 35 0 0 5 9 19 600 32 34 99 96 11 16 195 35 .01 .01 8 9 19 700 32 35 99 96 8 14 213 35 .01 .02 7 9 19 800 33 35 98 96 9 13 224 37 .01 .03 4 9 19 900 33 36 98 96 8 14 229 41 0 .03 4 9 19 1000 34 37 98 95 12 18 210 42 0 .03 7 9 19 1100 34 37 98 95 9 14 220 42 0 .03 7 9 19 1200 35 37 98 96 9 16 221 40 .01 .04 5 9 19 1300 35 37 98 96 12 17 215 40 .02 .06 4 9 19 1400 35 38 98 95 10 18 205 40 .02 .08 5 9 19 1500 36 38 98 96 12 26 237 40 .07 .15 4 9 19 1600 36 38 98 95 9 19 235 40 .04 .19 4 9 19 1700 35 38 98 93 8 13 278 39 .04 .23 4 9 19 1800 35 37 98 95 11 17 278 38 .03 .26 5 9 19 1900 34 36 98 96 14 25 272 37 0 .26 5 9 19 2000 33 36 98 96 16 27 294 36 0 .26 5 9 19 2100 33 36 98 96 12 17 288 36 0 .26 4 9 19 2200 33 36 98 96 9 13 258 36 0 .26 4 9 19 2300 33 35 98 96 12 20 289 36 0 .26 4 9 20 0 32 35 99 96 18 25 305 35 .01 .27 6 9 20 100 33 35 99 96 18 25 282 36 0 .27 8 9 20 200 32 35 98 96 15 20 273 35 0 .27 8 9 20 300 32 35 98 96 14 20 290 35 0 .27 4 9 20 400 32 34 98 96 16 23 293 35 0 .27 8 Total Prec. 5500' ------------------------------------------------------------------------ .27 Page 1 9-20-2021 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' ------------------------------------------------------------ 9 19 500 31 32 100 93 5 11 344 -0 9 19 600 31 32 100 92 6 14 312 27 9 19 700 31 32 100 92 7 12 345 2 9 19 800 32 33 100 90 8 18 331 7 9 19 900 33 35 96 87 12 35 309 9 9 19 1000 34 35 96 88 11 25 324 5 9 19 1100 34 36 94 82 13 28 317 6 9 19 1200 36 37 90 78 12 30 322 7 9 19 1300 36 38 89 77 11 23 318 6 9 19 1400 36 37 92 81 8 18 2 6 9 19 1500 34 35 96 90 9 28 311 5 9 19 1600 33 34 100 92 9 30 317 3 9 19 1700 32 33 100 93 14 28 286 4 9 19 1800 33 34 100 96 12 28 302 0 9 19 1900 32 32 100 95 19 42 306 4 9 19 2000 32 32 91 89 14 34 324 11 9 19 2100 32 32 91 90 15 34 321 9 9 19 2200 31 32 89 87 15 32 308 15 9 19 2300 31 32 98 90 14 30 324 7 9 20 0 31 32 99 89 13 28 334 7 9 20 100 31 32 99 88 12 27 324 5 9 20 200 31 32 95 87 16 26 312 9 9 20 300 31 32 99 89 18 29 304 5 9 20 400 31 31 99 91 15 29 296 5 Page 1 9-20-2021 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' ------------------------------------------------------------------------ 9 19 500 35 100 10 16 258 .07 .07 0 13 0 9 19 600 36 100 12 19 254 .02 .09 0 11 3 9 19 700 36 100 12 18 257 .03 .12 0 11 9 9 19 800 37 100 11 20 258 .03 .15 0 11 157 9 19 900 37 100 11 19 244 .01 .16 0 12 128 9 19 1000 37 100 11 19 248 .03 .19 0 10 115 9 19 1100 36 100 13 20 255 0 .19 0 11 178 9 19 1200 38 100 15 23 258 0 .19 0 12 307 9 19 1300 38 100 12 18 262 0 .19 0 13 109 9 19 1400 38 100 11 16 277 .01 .2 0 13 88 9 19 1500 39 100 14 22 276 .11 .31 0 9 49 9 19 1600 39 100 13 18 270 .13 .44 0 10 29 9 19 1700 37 100 12 23 271 .11 .55 0 11 24 9 19 1800 37 100 15 28 270 .06 .61 0 11 4 9 19 1900 37 100 19 30 276 0 .61 0 13 0 9 19 2000 35 100 15 27 257 0 .61 0 11 0 9 19 2100 35 100 14 23 273 0 .61 0 11 0 9 19 2200 35 100 13 22 249 0 .61 0 11 0 9 19 2300 35 100 7 17 269 0 .61 0 13 0 9 20 0 36 100 7 13 258 0 .61 0 11 0 9 20 100 35 100 8 17 250 0 .61 0 13 0 9 20 200 36 100 8 18 237 0 .61 0 14 0 9 20 300 36 100 5 9 268 0 .61 0 13 0 9 20 400 36 100 3 7 236 0 .61 0 12 0 Total Prec. 5400' ------------------------------------------------------ .61 Page 1 9-20-2021 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' --------------------------------------------------------------- 9 19 500 20 95 0 4 18 247 0 9 19 600 20 95 0 4 14 247 0 9 19 700 20 96 0 5 12 247 11 9 19 800 26 74 0 5 13 265 115 9 19 900 23 88 0 0 0 251 380 9 19 1000 25 91 0 4 19 163 526 9 19 1100 27 85 1 11 24 221 784 9 19 1200 23 97 3 11 23 228 806 9 19 1300 29 69 6 11 22 281 917 9 19 1400 25 93 7 18 40 279 594 9 19 1500 24 96 11 30 44 272 254 9 19 1600 23 97 10 24 39 256 145 9 19 1700 25 89 7 17 29 269 43 9 19 1800 24 78 7 19 37 271 19 9 19 1900 27 28 10 17 26 284 2 9 19 2000 26 38 9 14 21 293 0 9 19 2100 26 35 8 12 16 310 0 9 19 2200 29 15 6 11 20 305 0 9 19 2300 30 10 7 14 22 277 0 9 20 0 30 17 4 12 20 286 0 9 20 100 33 10 2 8 15 326 0 9 20 200 33 7 7 10 17 339 0 9 20 300 28 23 3 9 22 335 0 9 20 400 34 20 3 9 19 333 0 Page 1 9-20-2021 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' ------------------------------------------------------------------------------ 9 19 500 34 39 97 99 16 23 32 289 0 0 8 9 19 600 34 39 98 100 13 21 36 288 .01 .01 9 9 19 700 34 39 98 99 9 20 30 290 0 .01 8 9 19 800 35 39 98 99 14 24 38 296 0 .01 9 9 19 900 35 40 98 98 13 24 36 296 0 .01 8 9 19 1000 36 41 98 97 16 28 37 294 0 .01 10 9 19 1100 36 41 97 96 14 26 39 294 0 .01 9 9 19 1200 36 42 98 91 17 29 41 296 0 .01 9 9 19 1300 36 43 97 87 16 31 46 298 0 .01 9 9 19 1400 37 43 98 93 16 27 41 296 0 .01 9 9 19 1500 37 42 97 96 16 29 41 295 .04 .05 9 9 19 1600 37 43 98 96 20 32 44 296 .03 .08 10 9 19 1700 37 42 98 96 18 30 52 291 .01 .09 8 9 19 1800 37 42 97 94 11 25 40 302 .07 .16 10 9 19 1900 36 41 98 98 18 36 55 299 .03 .19 9 9 19 2000 35 40 98 94 22 39 58 299 0 .19 8 9 19 2100 35 40 98 95 23 40 60 298 0 .19 9 9 19 2200 35 39 98 94 22 35 49 298 0 .19 9 9 19 2300 34 40 98 91 15 29 47 301 0 .19 9 9 20 0 34 40 98 92 18 32 43 295 0 .19 9 9 20 100 34 39 97 93 19 29 45 297 0 .19 10 9 20 200 34 39 97 94 16 28 41 297 0 .19 10 9 20 300 34 39 97 94 20 30 40 298 0 .19 11 9 20 400 34 39 97 95 18 27 39 296 0 .19 10 Total Prec. 5800' ------------------------------------------------------------------------ .19 Page 1 6-13-2021 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 ------------------------------------------------------------------------------ Total Prec 4320' ------------------------------------------------------ 0 Page 1 9-20-2021 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 9-20-2021 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' ------------------------------------------------------------------------ 9 19 500 35 100 -0 3 11 95 .03 .03 -0 3 9 19 600 35 100 -0 4 14 95 .06 .09 -0 6 9 19 700 35 100 -0 4 12 87 .02 .11 -0 7 9 19 800 35 100 -0 5 13 96 .01 .12 -0 5 9 19 900 35 100 -0 6 19 97 .05 .17 -0 5 9 19 1000 36 100 -0 7 17 104 .02 .19 -0 6 9 19 1100 36 100 -0 4 13 93 .11 .3 -0 4 9 19 1200 37 100 -0 7 21 99 .05 .35 -0 5 9 19 1300 38 100 -0 8 24 97 .04 .39 -0 8 9 19 1400 39 100 -0 11 24 108 0 .39 -0 5 9 19 1500 37 100 -0 9 20 106 .03 .42 -0 4 9 19 1600 37 100 -0 8 22 98 .02 .44 -0 5 9 19 1700 36 100 -0 7 22 95 .04 .48 -0 4 9 19 1800 37 100 -0 8 20 93 .02 .5 -0 6 9 19 1900 37 100 -0 8 23 97 .07 .57 -0 7 9 19 2000 37 100 -0 9 22 102 .01 .58 -0 5 9 19 2100 37 100 -0 8 27 102 .04 .62 -0 5 9 19 2200 37 100 -0 7 24 98 .03 .65 -0 5 9 19 2300 37 100 -0 8 19 102 0 .65 -0 3 9 20 0 37 100 -0 9 23 103 0 .65 -0 5 9 20 100 37 100 -0 7 23 106 0 .65 -0 6 9 20 200 35 100 -0 7 18 113 0 .65 -0 6 9 20 300 34 100 -0 8 17 124 0 .65 -0 6 9 20 400 34 100 -0 6 21 123 0 .65 -0 5 Total Prec. 5880' ------------------------------------------------------------ .65 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 32 100 11 15 22 0 9 19 600 32 100 12 16 20 0 9 19 700 32 100 11 14 18 0 9 19 800 32 100 9 12 16 360 9 19 900 33 100 8 12 15 0 9 19 1000 33 99 9 12 16 360 9 19 1100 34 99 8 20 34 360 9 19 1200 34 99 20 30 44 0 9 19 1300 34 98 24 35 48 0 9 19 1400 35 96 24 32 44 360 9 19 1500 34 98 22 30 41 360 9 19 1600 34 99 22 32 45 360 9 19 1700 34 99 26 34 46 360 9 19 1800 34 100 28 38 50 360 9 19 1900 33 100 27 37 51 360 9 19 2000 34 100 26 36 48 360 9 19 2100 34 100 25 35 47 360 9 19 2200 34 100 26 35 48 360 9 19 2300 34 100 25 33 45 0 9 20 0 34 100 22 31 42 0 9 20 100 33 100 20 30 39 360 9 20 200 32 100 14 23 32 360 9 20 300 32 95 15 21 32 360 9 20 400 33 68 16 22 28 360 Page 1 9-20-2021 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' ------------------------------------------------------------------------------------ 9 19 500 32 37 97 94 0 0 264 .03 .03 45 13 1012 9 19 600 32 37 97 94 0 0 234 .04 .07 45 12 1013 9 19 700 31 36 97 94 0 0 239 .03 .1 45 14 1013 9 19 800 32 38 96 93 0 0 305 .01 .11 45 9 1014 9 19 900 31 37 97 94 0 0 255 .05 .16 45 9 1015 9 19 1000 33 38 97 92 0 0 258 .01 .17 46 12 1016 9 19 1100 34 40 96 91 0 0 264 .06 .23 49 9 1017 9 19 1200 33 39 96 92 0 0 290 .05 .28 51 10 1018 9 19 1300 33 40 96 87 0 0 277 .05 .33 54 12 1018 9 19 1400 35 42 85 80 0 0 267 0 .33 56 10 1018 9 19 1500 34 40 96 91 0 0 265 .03 .36 58 10 1019 9 19 1600 34 39 96 92 0 0 293 .01 .37 59 13 1020 9 19 1700 33 39 96 93 0 0 257 .04 .41 59 11 1020 9 19 1800 33 39 96 91 0 0 260 .02 .43 58 11 1020 9 19 1900 33 39 96 92 0 0 247 .11 .54 57 9 1020 9 19 2000 33 39 96 92 0 0 256 .03 .57 56 11 1021 9 19 2100 34 39 96 93 0 0 249 .03 .6 54 12 1022 9 19 2200 34 39 96 92 0 0 281 .07 .67 53 13 1022 9 19 2300 33 39 95 91 0 0 250 .01 .68 53 10 1022 9 20 0 34 39 90 89 0 0 16 0 .68 53 11 1023 9 20 100 34 38 83 89 0 0 330 .01 .69 52 12 1023 9 20 200 32 37 88 90 0 0 60 0 .69 50 12 1023 9 20 300 32 34 88 93 0 0 27 0 .69 49 12 1023 9 20 400 32 34 83 94 0 0 26 0 .69 48 12 1023 Total Prec. 5380' ------------------------------------------------------------------ .69 Page 1 9-20-2021 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' ------------------------------------------------ 9 19 500 30 100 9 13 18 180 9 19 600 31 100 9 13 16 180 9 19 700 30 100 9 13 16 180 9 19 800 31 100 9 12 16 180 9 19 900 31 100 8 11 15 180 9 19 1000 32 100 7 10 15 180 9 19 1100 32 100 5 8 10 179 9 19 1200 32 100 3 7 9 179 9 19 1300 32 100 4 17 43 184 9 19 1400 32 97 20 34 45 190 9 19 1500 33 100 20 34 47 199 9 19 1600 32 100 14 27 41 206 9 19 1700 32 100 15 26 37 210 9 19 1800 32 100 16 30 46 212 9 19 1900 31 100 20 30 45 213 9 19 2000 32 100 19 31 45 213 9 19 2100 32 100 16 29 46 216 9 19 2200 31 100 16 29 45 217 9 19 2300 31 100 6 24 42 217 9 20 0 31 100 8 23 42 217 9 20 100 30 100 3 19 36 217 9 20 200 33 86 0 11 47 217 9 20 300 36 62 0 3 15 217 9 20 400 34 44 0 2 13 217 Page 1 9-20-2021 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' ------------------------------------------------------------------------------ 9 19 500 39 43 100 96 0 2 8 251 .04 .04 22 9 19 600 39 43 100 96 0 2 6 244 .03 .07 23 9 19 700 38 43 100 96 1 4 10 241 .03 .1 23 9 19 800 39 43 100 96 0 3 10 259 .01 .11 23 9 19 900 39 43 100 96 0 5 13 264 .06 .17 23 9 19 1000 40 43 100 96 1 5 11 257 0 .17 24 9 19 1100 41 44 100 96 2 5 12 258 .04 .21 22 9 19 1200 41 45 100 96 1 5 13 259 .06 .27 22 9 19 1300 42 45 100 96 2 5 12 262 .03 .3 23 9 19 1400 42 47 100 96 2 5 11 297 .02 .32 22 9 19 1500 42 46 100 95 0 4 10 263 .06 .38 22 9 19 1600 41 46 100 96 1 5 12 263 .02 .4 23 9 19 1700 41 46 100 96 1 5 13 252 .01 .41 23 9 19 1800 41 45 100 96 2 6 24 258 0 .41 21 9 19 1900 41 45 100 96 2 6 15 265 .06 .47 21 9 19 2000 41 45 100 96 2 5 11 287 .01 .48 21 9 19 2100 41 45 100 96 0 5 17 291 .01 .49 21 9 19 2200 41 45 100 96 0 6 13 256 .03 .52 21 9 19 2300 41 45 100 97 2 6 13 269 .09 .61 21 9 20 0 41 45 100 97 2 6 11 308 .07 .68 21 9 20 100 40 45 100 97 3 7 13 306 .01 .69 21 9 20 200 40 45 100 97 1 5 11 316 .01 .7 22 9 20 300 40 45 100 96 1 5 11 341 .02 .72 21 9 20 400 39 44 100 96 4 7 11 334 0 .72 21 Total Prec. 3660' ------------------------------------------------------------------------ .72 Page 1