4-17-2019 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime 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 16 500 26 27 97 100 5 8 217 45 .04 .04 377 4 16 600 26 28 97 100 4 9 221 47 .01 .05 377 4 16 700 28 29 97 99 3 7 207 51 .01 .06 377 4 16 800 29 31 97 98 3 6 171 53 0 .06 377 4 16 900 29 32 97 97 5 10 159 57 0 .06 377 4 16 1000 28 31 97 96 8 17 252 60 .01 .07 134 4 16 1100 32 33 96 97 10 15 218 64 0 .07 134 4 16 1200 32 34 97 95 9 16 223 63 .01 .08 135 4 16 1300 33 35 96 94 10 21 213 66 .04 .12 136 4 16 1400 32 34 97 98 13 25 243 62 .01 .13 138 4 16 1500 32 33 97 98 15 24 240 61 0 .13 138 4 16 1600 31 33 98 98 15 26 239 57 .01 .14 139 4 16 1700 31 32 98 100 10 22 226 50 .04 .18 139 4 16 1800 30 32 98 100 12 23 236 50 .02 .2 139 4 16 1900 29 32 98 100 11 21 227 49 .01 .21 140 4 16 2000 29 32 98 100 10 24 226 49 .03 .24 138 4 16 2100 30 31 99 100 17 26 239 48 .02 .26 139 4 16 2200 29 31 98 100 17 30 242 48 .02 .28 136 4 16 2300 29 31 98 100 16 32 237 47 0 .28 133 4 17 0 28 30 98 100 16 31 235 46 0 .28 377 4 17 100 28 30 98 100 13 20 231 47 .04 .32 136 4 17 200 28 30 97 100 11 17 227 47 .05 .37 134 4 17 300 28 30 98 100 11 19 217 46 .05 .42 377 4 17 400 28 30 98 100 11 17 224 47 .06 .48 138 Total Prec. 5500' ------------------------------------------------------------------------ .48 Page 1