1-20-2020 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' ------------------------------------------------------------------------------ 1 19 2300 28 28 88 93 16 23 96 47 0 0 377 1 20 0 28 28 89 92 20 28 99 48 0 0 377 1 20 100 27 25 89 94 23 28 97 42 .01 .01 377 1 20 200 28 26 85 93 20 27 96 42 0 .01 377 1 20 300 29 28 85 91 11 22 100 44 .01 .02 377 1 20 400 31 25 73 92 15 21 90 43 0 .02 377 1 20 500 32 26 69 93 10 16 123 43 0 .02 377 1 20 600 33 27 67 92 12 21 112 46 0 .02 377 1 20 700 33 29 62 91 10 16 146 47 .01 .03 377 1 20 800 33 29 63 91 15 23 165 49 0 .03 377 1 20 900 33 30 64 91 10 20 146 51 .01 .04 377 1 20 1000 32 31 70 90 21 27 162 51 0 .04 377 1 20 1100 32 31 64 89 18 31 146 54 0 .04 377 1 20 1200 32 32 61 85 21 31 161 55 0 .04 377 1 20 1300 33 31 62 88 18 25 161 55 .01 .05 377 1 20 1400 33 32 67 87 11 32 206 55 0 .05 377 1 20 1500 32 32 67 89 14 30 158 54 0 .05 377 1 20 1600 32 32 70 87 10 15 127 54 .01 .06 377 1 20 1700 32 31 68 88 12 25 163 51 0 .06 377 1 20 1800 27 30 96 91 13 29 209 50 .01 .07 377 1 20 1900 27 29 99 93 9 18 153 48 .03 .1 377 1 20 2000 27 29 99 94 12 18 100 49 0 .1 377 1 20 2100 27 28 99 94 16 23 92 48 .01 .11 377 1 20 2200 26 26 98 94 17 27 91 45 0 .11 377 Total Prec. 5500' ------------------------------------------------------------------------ .11 Page 1