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1-21-2018
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'

(some missing data for this range)
1/21 1100 37 95 14 31 161 0 .06
1/21 1000 37 97 15 28 166 .01 .06
1/21 900 36 96 14 26 173 0 .05
1/21 800 36 96 13 26 169 .02 .05
1/21 700 36 97 10 22 169 0 .03
1/21 600 36 97 11 24 170 0 .03
1/21 500 36 97 11 22 162 0 .03

1/21 400 36 98 9 22 161 .01 .11
1/21 300 35 98 7 15 164 .01 .1
1/21 200 35 99 9 17 157 0 .09
1/21 100 35 98 10 21 163 0 .09
1/21 0 35 99 8 19 157 0 .09
1/20 2300 35 99 8 19 156 .01 .09
1/20 2200 35 100 9 24 165 0 .08
1/20 2100 35 99 7 15 165 0 .08
1/20 2000 35 98 4 9 159 0 .08
1/20 1900 35 98 3 15 154 0 .08
1/20 1800 35 97 2 8 149 0 .08
1/20 1700 35 96 0 5 136 0 .08
1/20 1600 37 94 0 6 154 0 .08
1/20 1500 37 93 0 7 155 0 .08
1/20 1400 37 92 1 9 145 0 .08
1/20 1300 38 91 0 4 159 0 .08
1/20 1200 37 91 0 3 145 0 .08
1/20 1100 36 94 0 4 127 .02 .08
1/20 1000 35 92 0 1 131 0 .06
1/20 900 34 95 0 6 230 0 .06
1/20 800 33 97 2 9 296 .01 .06
1/20 700 33 97 0 4 245 .01 .05
1/20 600 33 98 0 6 279 .03 .04
1/20 500 33 98 2 8 290 .01 .01

1/20 400 33 97 4 12 291 0 .2
1/20 300 33 96 2 10 277 .01 .2
1/20 200 33 97 2 8 287 0 .19
1/20 100 34 97 0 2 243 .03 .19
1/20 0 34 97 -0 0 155 .04 .16
1/19 2300 34 97 0 4 162 .03 .12
1/19 2200 34 97 0 3 134 .04 .09
1/19 2100 35 97 0 1 154 .03 .05
1/19 2000 35 97 0 5 164 0 .02
1/19 1900 34 97 0 4 154 0 .02
1/19 1800 35 96 1 7 156 0 .02
1/19 1700 35 96 0 6 155 0 .02
1/19 1600 36 94 0 5 155 0 .02
1/19 1500 37 92 0 5 158 0 .02
1/19 1400 38 91 0 6 156 .01 .02
1/19 1300 39 87 0 5 180 0 .01
1/19 1200 38 90 0 3 162 0 .01
1/19 1100 36 93 0 8 164 0 .01
1/19 1000 35 95 0 4 146 .01 .01
1/19 900 34 96 0 5 136 0 0
1/19 800 33 96 0 6 160 0 0
1/19 700 33 97 0 2 147 0 0
1/19 600 33 97 0 6 145 0 0
1/19 500 34 97 0 4 130 0 0

1/19 400 34 97 0 2 117 .01 .28
1/19 300 34 97 0 1 127 0 .27
1/19 200 34 97 0 4 147 0 .27
1/19 100 34 98 0 5 145 .02 .27
1/19 0 34 97 0 10 122 0 .25
1/18 2300 34 98 0 5 117 .02 .25
1/18 2200 34 97 0 6 129 .01 .23
1/18 2100 34 94 0 5 111 0 .22
1/18 2000 34 95 0 6 68 0 .22
1/18 1900 35 96 0 7 158 0 .22
1/18 1800 35 97 1 6 153 0 .22
1/18 1700 35 98 0 5 121 0 .22
1/18 1600 35 97 0 8 115 .02 .22
1/18 1500 36 97 -0 0 313 .05 .2
1/18 1400 36 97 0 4 126 .04 .15
1/18 1300 37 94 1 8 163 0 .11
1/18 1200 39 93 3 14 165 0 .11
1/18 1100 37 99 2 10 148 0 .11
1/18 1000 35 98 0 5 129 .04 .11
1/18 900 35 99 0 7 146 0 .07
1/18 800 35 99 3 19 315 .02 .07
1/18 700 34 97 6 27 290 .02 .05
1/18 600 36 97 6 18 288 .02 .03
1/18 500 38 95 3 11 177 .01 .01

1/18 400 39 99 2 13 197 .08 .87
1/18 300 39 93 5 17 173 .01 .79
1/18 200 40 95 4 12 166 .01 .78
1/18 100 40 89 6 16 162 0 .77
1/18 0 41 98 4 18 160 .03 .77
1/17 2300 42 99 2 9 167 .02 .74
1/17 2200 43 99 3 12 180 .05 .72
1/17 2100 44 99 5 15 165 .03 .67
1/17 2000 45 99 5 18 161 .11 .64
1/17 1900 45 100 6 14 158 .16 .53
1/17 1800 46 99 7 28 162 .19 .37
1/17 1700 46 97 9 23 161 .14 .18
1/17 1600 49 87 9 23 164 .04 .04
1/17 1500 55 62 14 31 163 0 0
1/17 1400 56 57 16 32 168 0 0
1/17 1300 56 58 15 29 172 0 0
1/17 1200 54 65 13 31 166 0 0
1/17 1100 52 68 11 21 180 0 0
1/17 1000 49 71 9 20 174 0 0
1/17 900 47 76 8 22 172 0 0
1/17 800 47 76 6 15 131 0 0
1/17 700 46 78 6 19 146 0 0
1/17 600 43 88 6 17 161 0 0
1/17 500 45 75 7 23 164 0 0

1/17 400 44 75 10 26 122 0 .12
1/17 300 44 74 11 25 108 0 .12
1/17 200 44 72 9 27 119 0 .12
1/17 100 43 69 9 23 119 0 .12
1/17 0 44 65 10 25 131 0 .12
1/16 2300 45 57 6 20 169 0 .12
1/16 2200 44 57 4 13 351 0 .12
1/16 2100 43 57 2 10 22 0 .12
1/16 2000 40 76 1 8 83 0 .12
1/16 1900 38 83 1 8 91 0 .12
1/16 1800 38 89 0 4 195 0 .12
1/16 1700 38 92 0 4 151 0 .12
1/16 1600 41 88 0 5 156 0 .12
1/16 1500 42 93 2 8 163 .01 .12
1/16 1400 44 88 2 11 167 0 .11
1/16 1300 42 89 1 7 175 0 .11
1/16 1200 43 90 0 7 156 0 .11
1/16 1100 44 88 0 6 173 0 .11
1/16 1000 41 97 1 9 144 .01 .11
1/16 900 40 98 0 7 181 .02 .1
1/16 800 39 98 2 11 148 .03 .08
1/16 700 40 98 2 10 164 .05 .05
1/16 600 40 97 1 6 165 0 0
1/16 500 41 90 0 6 168 0 0

1/16 400 41 91 0 8 114 0 .02
1/16 300 41 87 4 15 163 0 .02
1/16 200 41 95 3 12 159 .01 .02
1/16 100 43 94 0 3 171 0 .01
1/16 0 45 90 2 6 118 0 .01
1/15 2300 45 86 4 12 152 0 .01
1/15 2200 44 86 7 20 92 .01 .01
1/15 2100 46 74 10 26 83 0 0
1/15 2000 47 72 11 25 72 0 0
1/15 1900 49 63 9 20 91 0 0
1/15 1800 49 60 10 25 334 0 0
1/15 1700 50 54 12 24 353 0 0
1/15 1600 50 58 12 24 341 0 0
1/15 1500 51 56 11 27 27 0 0
1/15 1400 52 55 12 26 329 0 0
1/15 1300 52 54 12 23 334 0 0
1/15 1200 49 63 9 17 358 0 0
1/15 1100 52 56 9 24 112 0 0
1/15 1000 50 61 11 22 129 0 0
1/15 900 47 65 6 19 110 0 0
1/15 800 47 66 5 11 103 0 0
1/15 700 47 66 5 18 58 0 0
1/15 600 47 66 7 18 133 0 0
1/15 500 48 65 7 20 108 0 0

1/15 400 48 64 10 23 120 0 0
1/15 300 50 61 9 21 124 0 0
1/15 200 50 60 10 21 92 0 0
1/15 100 50 61 11 26 106 0 0
1/15 0 51 60 10 24 111 0 0
1/14 2300 51 59 9 23 104 0 0
1/14 2200 51 60 8 25 18 0 0
1/14 2100 50 61 7 18 346 0 0
1/14 2000 52 57 8 27 104 0 0
1/14 1900 52 55 7 22 99 0 0
1/14 1800 52 56 6 17 88 0 0
1/14 1700 52 58 6 15 52 0 0
1/14 1600 54 57 6 15 69 0 0
1/14 1500 57 51 9 20 111 0 0
1/14 1400 57 51 8 19 21 0 0
1/14 1300 57 51 9 21 46 0 0
1/14 1200 55 55 12 28 96 0 0
1/14 1100 54 56 13 29 80 0 0
1/14 1000 53 57 14 35 33 0 0
1/14 900 53 58 11 21 359 0 0
1/14 800 53 58 10 22 32 0 0
1/14 700 55 55 10 22 38 0 0
1/14 600 55 55 10 23 50 0 0
1/14 500 56 53 9 21 43 0 0

1/14 400 56 53 9 23 68 0 .05
1/14 300 55 56 11 28 93 0 .05
1/14 200 54 58 8 19 100 0 .05
1/14 100 54 61 6 14 106 0 .05
1/14 0 54 60 5 17 103 0 .05
1/13 2300 54 60 3 12 82 0 .05
1/13 2200 52 65 2 13 132 0 .05
1/13 2100 53 64 3 10 106 0 .05
1/13 2000 52 71 1 7 122 0 .05
1/13 1900 49 80 0 4 77 0 .05
1/13 1800 46 94 -0 0 99 0 .05
1/13 1700 49 92 -0 0 161 0 .05
1/13 1600 54 84 -0 0 135 0 .05
1/13 1500 55 88 -0 0 165 0 .05
1/13 1400 54 91 -0 0 218 0 .05
1/13 1300 54 94 -0 0 245 0 .05
1/13 1200 52 100 -0 0 178 0 .05
1/13 1100 50 100 0 2 121 0 .05
1/13 1000 48 100 0 1 111 0 .05
1/13 900 46 100 -0 0 99 0 .05
1/13 800 46 100 -0 0 66 .02 .05
1/13 700 45 100 0 3 81 0 .03
1/13 600 44 100 0 1 87 .01 .03
1/13 500 44 100 0 0 108 .02 .02

1/13 400 43 100 0 2 96 .04 .13
1/13 300 43 100 0 7 103 .06 .09
1/13 200 42 100 0 4 112 .01 .03
1/13 100 42 96 0 4 116 .01 .02
1/13 0 42 92 1 9 111 0 .01
1/12 2300 41 92 2 7 148 0 .01
1/12 2200 41 92 0 5 158 0 .01
1/12 2100 41 94 1 7 148 0 .01
1/12 2000 41 95 1 6 156 0 .01
1/12 1900 41 95 0 7 163 0 .01
1/12 1800 41 96 0 3 149 0 .01
1/12 1700 42 96 0 3 173 0 .01
1/12 1600 42 94 0 2 182 0 .01
1/12 1500 44 91 0 2 276 0 .01
1/12 1400 43 94 0 6 279 0 .01
1/12 1300 43 96 0 10 233 .01 .01
1/12 1200 43 96 0 6 175 0 0
1/12 1100 43 96 2 11 166 0 0
1/12 1000 43 96 2 11 159 0 0
1/12 900 41 98 2 8 154 0 0
1/12 800 41 98 1 7 177 0 0
1/12 700 41 98 0 11 216 0 0
1/12 600 41 98 2 12 221 0 0
1/12 500 41 100 0 10 152 0 0

1/12 400 41 100 3 9 155 0 1.39
1/12 300 42 100 2 10 154 .01 1.39
1/12 200 42 100 0 8 168 .01 1.38
1/12 100 42 100 2 8 156 0 1.37
1/12 0 42 100 1 7 248 0 1.37
1/11 2300 42 100 0 12 256 .04 1.37
1/11 2200 42 100 0 6 203 0 1.33
1/11 2100 42 100 4 14 291 0 1.33
1/11 2000 42 100 3 11 285 .03 1.33
1/11 1900 41 100 1 10 281 .04 1.3
1/11 1800 39 100 0 5 113 .04 1.26
1/11 1700 39 100 6 14 291 .04 1.22
1/11 1600 40 99 7 13 290 .11 1.18
1/11 1500 42 99 10 21 294 .02 1.07
1/11 1400 42 96 16 41 294 .03 1.05
1/11 1300 42 94 6 37 277 .24 1.02
1/11 1200 43 99 6 20 161 .15 .78
1/11 1100 43 100 7 18 162 .13 .63
1/11 1000 42 100 7 19 155 .05 .5
1/11 900 41 100 8 15 153 .19 .45
1/11 800 40 100 6 25 163 .11 .26
1/11 700 38 99 4 14 121 .04 .15
1/11 600 37 99 3 9 94 .07 .11
1/11 500 38 99 0 3 145 .04 .04

MM/DD Hour
PST
Temp
F
3260'
RH
%
3260'
Wind
Avg
3260'
Wind
Max
3260'
Wind
Dir
3260'
Hour
Prec.
3260'
Total
Prec.
3260'