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4-21-2018
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
PST
Temp
F
3260'
RH
%
3260'
Wind
Avg
3260'
Wind
Max
3260'
Wind
Dir
3260'
Hour
Prec.
3260'
Total
Prec.
3260'

4/20 1700 55 39 0 5 214 0 0
4/20 1800 51 48 0 2 162 0 0
4/20 1900 49 48 0 4 179 0 0
4/20 2000 46 63 -0 0 280 0 0
4/20 2100 44 75 0 0 310 0 0
4/20 2200 45 62 3 14 292 0 0
4/20 2300 42 80 2 10 177 0 0
4/21 0 43 77 1 8 152 0 0
4/21 100 40 84 2 15 250 0 0
4/21 200 36 94 0 6 178 .07 .07
4/21 300 36 97 0 5 81 .03 .1
4/21 400 37 98 2 17 296 .02 .12
4/21 500 36 96 8 14 307 0 .12
4/21 600 34 94 4 12 310 0 .12
4/21 700 37 85 1 5 310 0 .12
4/21 800 41 76 2 6 306 0 .12
4/21 900 41 74 2 10 296 0 .12
4/21 1000 42 69 4 11 309 0 .12
4/21 1100 44 65 4 9 292 0 .12
4/21 1200 48 57 4 10 292 0 .12
4/21 1300 49 54 5 20 303 0 .12
4/21 1400 47 56 7 13 316 0 .12
4/21 1500 47 55 6 14 319 0 .12
4/21 1600 46 59 4 11 326 0 .12
Total
Prec.
3260'
.12