4-16-2018 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington Wind exposed site may affect precipitation measurements Temperature sensor may have warm bias MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ 4 15 500 36 98 -0 0 29 .04 .04 4 15 600 36 98 -0 0 89 .03 .07 4 15 700 38 99 -0 0 93 0 .07 4 15 800 42 95 -0 0 166 0 .07 4 15 900 44 90 0 2 146 0 .07 4 15 1000 44 86 0 5 170 0 .07 4 15 1100 44 83 0 5 161 0 .07 4 15 1200 48 74 0 5 108 0 .07 4 15 1300 49 65 1 7 118 0 .07 4 15 1400 49 74 0 6 140 0 .07 4 15 1500 49 74 0 5 142 0 .07 4 15 1600 46 81 2 10 134 0 .07 4 15 1700 44 93 0 10 182 .02 .09 4 15 1800 42 95 0 5 158 .01 .1 4 15 1900 41 93 0 7 144 0 .1 4 15 2000 41 91 2 8 107 .01 .11 4 15 2100 37 96 3 13 161 .05 .16 4 15 2200 37 93 5 23 123 0 .16 4 15 2300 35 94 4 21 120 .01 .17 4 16 0 35 95 3 14 191 0 .17 4 16 100 34 92 2 14 138 0 .17 4 16 200 34 95 1 5 167 0 .17 4 16 300 33 97 0 5 148 .02 .19 4 16 400 33 96 0 2 145 .09 .28 Total Prec. 3260' ------------------------------------------------------ .28 Page 1