4-15-2021 Northwest Avalanche Center Washington Department of Transportation Snoqualmie Pass, Washington 3770' temp above Lake Keechelus MM/DD Hour Temp Temp Temp RH Wind Wind Wind Hour Total 24 Hr Total Press Lysim Lysim Lysim PST F F F % Avg Max Dir Prec. Prec. Snow Snow mb H2O Total deg F 3760' 3770' 3010' 3010' 3760' 3760' 3760' 3010' 3010' 3010' 3010' 3010' 3010' 3010' 3010' ------------------------------------------------------------------------------------------------------ 4 14 100 43 40 29 74 9 12 76 0 0 -0 112 1023 .013 .013 32 4 14 200 41 40 29 72 9 13 88 0 0 -0 112 1023 .012 .025 32 4 14 300 41 39 29 71 2 8 147 0 0 -0 112 1023 .012 .037 32 4 14 400 41 39 29 71 1 5 112 0 0 -0 112 1023 .011 .048 32 4 14 500 40 38 28 74 1 5 83 0 0 -0 112 1023 .011 .059 32 4 14 600 40 38 28 72 3 6 100 0 0 -0 112 1023 .01 .069 32 4 14 700 40 38 29 73 5 10 72 0 0 -0 112 1023 .009 .078 32 4 14 800 40 39 42 51 5 13 76 0 0 -0 112 1022 .007 .085 32 4 14 900 41 41 57 21 6 12 100 0 0 -0 111 1022 .006 .091 32 4 14 1000 42 45 58 19 10 13 115 0 0 -0 111 1021 .006 .097 32 4 14 1100 45 47 57 22 7 12 124 0 0 -0 111 1021 .006 .103 32 4 14 1200 49 50 60 19 4 8 84 0 0 -0 110 1020 .005 .108 32 4 14 1300 51 53 59 22 4 8 -7999 0 0 -0 110 1019 .005 .113 32 4 14 1400 53 54 59 23 5 12 -7999 0 0 -0 110 1018 .005 .118 32 4 14 1500 54 55 59 28 7 18 -7999 0 0 -0 110 1018 .009 .127 32 4 14 1600 52 56 56 35 11 16 222 0 0 -0 110 1018 .012 .139 32 4 14 1700 52 55 53 39 13 18 223 0 0 -0 110 1018 .014 .153 32 4 14 1800 51 51 45 57 11 19 221 0 0 -0 110 1019 .015 .168 32 4 14 1900 49 48 39 71 8 13 222 0 0 -0 110 1019 .015 .183 32 4 14 2000 48 47 37 77 6 12 218 0 0 -0 110 1020 .015 .198 32 4 14 2100 48 47 35 82 7 10 211 0 0 0 110 1020 .014 .212 32 4 14 2200 49 47 35 80 2 7 190 0 0 -0 110 1020 .014 .226 32 4 14 2300 50 48 36 77 5 12 102 0 0 -0 110 1020 .014 .24 32 4 15 0 51 48 35 79 5 8 71 0 0 -0 110 1020 .013 .253 32 Total Lysim Prec. Total 3010' 3010' ------------------------------------------------------------------------------------------------ 0 .253 Page 1