10-20-2020 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' ------------------------------------------------------------------------------ 10 19 1900 32 34 98 97 19 33 220 34 0 0 1 10 19 2000 32 34 98 97 16 24 242 34 0 0 2 10 19 2100 32 33 98 96 19 29 248 33 0 0 1 10 19 2200 31 33 98 97 12 18 247 33 0 0 2 10 19 2300 31 33 98 97 11 21 287 33 0 0 2 10 20 0 31 33 98 97 13 19 294 33 .01 .01 2 10 20 100 31 32 98 96 9 12 263 32 .01 .02 1 10 20 200 29 31 99 97 7 12 242 32 .01 .03 1 10 20 300 30 31 98 97 8 12 239 32 0 .03 2 10 20 400 30 31 98 97 6 10 239 32 0 .03 3 10 20 500 29 31 98 96 6 10 239 32 0 .03 2 10 20 600 29 31 98 96 4 6 239 32 0 .03 3 10 20 700 30 31 98 97 3 7 239 32 0 .03 4 10 20 800 29 31 98 96 3 11 239 32 0 .03 2 10 20 900 29 32 98 96 8 13 237 33 0 .03 2 10 20 1000 29 31 97 96 6 10 245 34 .01 .04 2 10 20 1100 30 32 97 96 7 10 244 36 .11 .15 2 10 20 1200 30 32 97 95 7 15 253 38 .05 .2 2 10 20 1300 32 33 98 96 9 15 239 38 0 .2 2 10 20 1400 30 33 98 96 9 14 237 37 0 .2 1 10 20 1500 31 33 98 96 9 16 224 36 0 .2 2 10 20 1500 31 33 98 96 13 18 224 34 0 .2 2 10 20 1600 31 33 98 96 11 19 222 33 0 .2 2 10 20 1700 30 32 98 96 9 15 261 33 0 .2 2 10 20 1800 30 97 8 12 301 Total Prec. 5500' ------------------------------------------------------------------------ .2 Page 1