4-21-2021 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' ------------------------------------------------------------------------------ 4 20 200 32 31 50 47 9 13 80 30 0 0 161 4 20 300 30 32 49 43 10 14 85 31 0 0 161 4 20 400 31 31 46 43 11 15 80 30 0 0 161 4 20 500 30 31 46 43 12 15 86 30 0 0 161 4 20 600 33 32 41 42 11 15 84 32 0 0 161 4 20 700 34 33 43 39 9 13 88 38 0 0 161 4 20 800 33 34 47 39 10 13 88 37 0 0 161 4 20 900 36 36 49 41 9 12 86 40 0 0 161 4 20 1000 41 40 43 39 5 12 86 53 0 0 161 4 20 1100 43 42 43 38 4 10 84 60 0 0 160 4 20 1200 44 44 42 37 4 11 92 60 0 0 160 4 20 1300 48 46 37 34 3 11 66 62 0 0 160 4 20 1400 45 45 41 35 4 8 71 55 0 0 159 4 20 1500 44 45 40 34 3 7 71 54 0 0 159 4 20 1600 49 46 37 33 4 10 346 63 0 0 159 4 20 1700 46 44 39 36 5 10 272 48 0 0 160 4 20 1800 44 44 36 35 8 12 275 44 0 0 159 4 20 1900 40 41 44 38 6 13 325 41 0 0 160 4 20 2000 38 41 60 56 6 10 261 40 0 0 159 4 20 2100 37 40 65 59 6 10 274 39 0 0 160 4 20 2200 37 39 65 60 3 9 322 37 0 0 160 4 20 2300 37 38 66 54 6 10 353 36 0 0 160 4 21 0 38 38 55 52 6 10 3 36 0 0 160 38 53 35 0 0 160 Total Prec. 5500' ------------------------------------------------------------------------ 0 Page 1