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1-22-2017
Northwest Avalanche Center
Washington Department of Transportation
Chinook Pass, Washington

Wind gages unheated and may rime
Precip gage under-recording, troubleshooting ongoing
Snowdepth out
MM/DD Hour
PST
Temp
F
6240'
Temp
F
5500'
RH
%
6240'
RH
%
5500'
Wind
Avg
6240'
Wind
Max
6240'
Wind
Dir
6240'
Equip
Temp
5500'
Hour
Prec.
5500'
Total
Prec.
5500'
Total
Snow
5500'

1/22 600 24 100 50 0 .25 377
1/22 500 20 22 97 100 -5 0 146 47 .01 .25 377

1/22 400 21 22 96 99 -3 0 282 49 .01 .25 377
1/22 300 21 22 96 98 -0 2 258 47 .01 .24 377
1/22 200 22 22 98 98 0 0 134 52 .02 .23 377
1/22 100 22 23 97 99 0 0 134 52 .01 .21 377
1/22 0 22 23 97 100 0 0 126 51 0 .2 377
1/21 2300 23 23 98 99 0 0 163 49 .01 .2 377
1/21 2200 23 24 97 100 0 0 136 51 .02 .19 377
1/21 2100 23 25 97 100 0 0 159 51 .01 .17 377
1/21 2000 23 25 98 100 0 0 142 52 0 .16 377
1/21 1900 22 24 97 100 0 0 212 51 0 .16 377
1/21 1800 23 24 97 100 0 0 325 48 .02 .16 377
1/21 1700 23 25 98 100 0 0 276 47 .04 .14 377
1/21 1600 24 25 98 100 0 0 296 51 .03 .1 377
1/21 1500 24 26 98 99 0 1 303 57 .02 .07 377
1/21 1400 25 26 98 99 0 0 165 59 0 .05 377
1/21 1300 25 27 97 97 0 0 169 61 .01 .05 377
1/21 1200 24 25 98 98 0 0 169 57 0 .04 377
1/21 1100 22 25 96 97 0 0 170 59 .01 .04 377
1/21 1000 22 23 98 99 0 0 170 56 .01 .03 377
1/21 900 22 23 97 99 0 0 170 53 0 .02 377
1/21 800 22 23 97 100 0 0 170 53 0 .02 377
1/21 700 22 23 97 100 0 0 170 53 .01 .02 377
1/21 600 22 23 98 100 0 0 170 53 0 .01 377
1/21 500 22 23 97 100 0 0 170 53 .01 .01 377

1/21 400 22 23 96 99 0 0 170 55 0 .18 377
1/21 300 22 23 98 99 0 0 162 53 .02 .18 377
1/21 200 21 23 97 99 0 0 101 49 0 .16 377
1/21 100 21 23 97 100 0 0 98 47 .01 .16 377
1/21 0 21 23 96 100 0 0 96 48 .01 .15 377
1/20 2300 21 23 97 100 0 0 102 48 .01 .14 377
1/20 2200 21 23 97 100 0 0 104 49 .01 .13 377
1/20 2100 21 23 96 100 0 0 77 47 .01 .12 377
1/20 2000 21 23 97 100 0 0 85 41 .01 .11 377
1/20 1900 21 23 97 100 -0 0 46 40 0 .1 377
1/20 1800 21 23 96 100 0 2 50 41 .01 .1 377
1/20 1700 21 23 97 100 0 1 19 41 0 .09 377
1/20 1600 22 23 97 100 0 2 50 42 .01 .09 377
1/20 1500 22 24 97 100 0 2 51 47 0 .08 377
1/20 1400 22 24 97 100 0 2 52 51 .01 .08 377
1/20 1300 22 24 97 99 0 2 67 53 .01 .07 377
1/20 1200 21 23 97 100 0 2 73 53 .01 .06 377
1/20 1100 22 23 97 100 1 4 55 46 .01 .05 377
1/20 1000 22 24 96 100 1 3 48 47 .02 .04 377
1/20 900 22 24 97 100 1 4 46 52 0 .02 377
1/20 800 22 24 96 100 2 4 32 45 .01 .02 377
1/20 700 21 24 97 100 2 5 37 46 .01 .01 377
1/20 600 21 23 97 100 2 5 33 51 0 0 377
1/20 500 21 24 96 100 2 5 46 52 0 0 377

1/20 400 21 22 97 99 2 5 43 50 .01 .68 377
1/20 300 21 23 97 100 2 5 45 51 0 .67 377
1/20 200 21 23 97 100 2 6 61 50 .01 .67 377
1/20 100 21 23 97 100 1 4 63 51 0 .66 377
1/20 0 22 24 97 100 4 8 123 50 0 .66 377
1/19 2300 23 25 98 100 3 7 134 50 .02 .66 377
1/19 2200 23 25 97 100 0 5 179 53 .02 .64 377
1/19 2100 24 26 98 100 2 6 171 53 .02 .62 377
1/19 2000 24 26 97 100 1 5 172 49 .01 .6 377
1/19 1900 24 26 98 100 3 8 139 52 .02 .59 377
1/19 1800 24 26 98 100 4 10 171 52 .03 .57 377
1/19 1700 24 27 97 100 5 12 178 53 .03 .54 377
1/19 1600 24 27 97 100 9 15 173 56 .01 .51 377
1/19 1500 25 27 98 100 5 10 182 55 .04 .5 377
1/19 1400 25 28 99 100 5 12 179 54 .07 .46 377
1/19 1300 26 28 98 100 5 9 182 57 .06 .39 377
1/19 1200 26 28 98 100 7 12 173 57 .05 .33 377
1/19 1100 25 28 98 100 7 13 181 54 .04 .28 377
1/19 1000 25 28 98 100 8 13 190 54 .03 .24 377
1/19 900 25 27 98 100 7 14 170 53 .03 .21 377
1/19 800 25 27 97 100 7 15 178 53 .04 .18 377
1/19 700 25 27 97 100 9 17 183 53 .03 .14 377
1/19 600 25 27 98 100 19 28 171 52 .05 .11 377
1/19 500 25 27 98 100 13 24 174 53 .06 .06 377

1/19 400 25 27 99 100 11 21 168 52 .06 2.41 377
1/19 300 25 27 98 100 22 27 167 53 .05 2.35 377
1/19 200 25 28 98 100 18 28 173 52 .03 2.3 377
1/19 100 25 28 98 100 20 29 177 52 .02 2.27 377
1/19 0 25 28 98 100 24 37 177 52 0 2.25 377
1/18 2300 26 28 99 100 19 42 186 48 .02 2.25 377
1/18 2200 28 30 98 100 16 28 96 51 .07 2.23 319
1/18 2100 27 27 99 100 15 22 36 53 .05 2.16 377
1/18 2000 27 28 99 100 14 21 35 54 .06 2.11 377
1/18 1900 27 29 99 100 17 22 30 53 .04 2.05 377
1/18 1800 28 28 99 100 20 26 39 53 .08 2.01 377
1/18 1700 29 29 99 100 20 31 36 54 .07 1.93 377
1/18 1600 30 30 100 100 21 38 56 55 .12 1.86 377
1/18 1500 32 34 100 100 20 32 65 56 .09 1.74 377
1/18 1400 32 34 99 100 29 48 90 54 .1 1.65 377
1/18 1300 32 34 100 100 18 54 135 51 .02 1.55 377
1/18 1200 32 34 100 100 21 39 167 57 .1 1.53 377
1/18 1100 32 34 99 100 14 36 187 54 .1 1.43 377
1/18 1000 33 34 100 100 21 51 116 53 .22 1.33 377
1/18 900 34 34 100 100 29 55 69 51 .2 1.11 377
1/18 800 32 31 100 100 23 39 64 53 .17 .91 377
1/18 700 32 31 100 100 22 35 74 53 .22 .74 377
1/18 600 32 33 100 100 10 35 107 54 .19 .52 377
1/18 500 32 29 100 100 20 38 92 52 .33 .33 377

1/18 400 32 29 100 100 17 31 89 51 .28 3.29 377
1/18 300 32 32 100 100 12 33 80 53 .19 3.01 377
1/18 200 32 34 100 100 3 14 111 56 .15 2.82 377
1/18 100 31 33 100 100 14 32 144 54 .18 2.67 377
1/18 0 31 33 100 100 18 38 157 53 .16 2.49 377
1/17 2300 31 32 99 100 20 40 160 51 .15 2.33 377
1/17 2200 31 32 100 100 23 40 153 51 .17 2.18 377
1/17 2100 32 33 100 100 19 42 147 52 .22 2.01 377
1/17 2000 32 33 99 100 21 42 151 51 .31 1.79 377
1/17 1900 33 35 100 100 19 36 166 54 .38 1.48 377
1/17 1800 34 36 100 100 18 41 161 54 .32 1.1 377
1/17 1700 34 35 100 100 25 69 125 54 .28 .78 377
1/17 1600 32 34 100 100 25 70 95 52 .37 .5 377
1/17 1500 33 35 100 100 17 38 167 56 .04 .13 377
1/17 1400 34 35 99 100 13 24 151 58 .01 .09 377
1/17 1300 34 35 99 100 14 29 154 59 .02 .08 377
1/17 1200 35 36 91 92 17 35 76 63 0 .06 377
1/17 1100 33 36 91 89 14 37 39 65 .01 .06 377
1/17 1000 33 35 92 91 16 29 41 62 .01 .05 377
1/17 900 33 36 90 87 12 29 348 63 0 .04 377
1/17 800 33 35 87 86 11 21 353 61 0 .04 377
1/17 700 29 32 96 93 20 30 84 60 .01 .04 377
1/17 600 31 33 95 94 33 52 143 58 .03 .03 377
1/17 500 34 35 57 65 19 43 136 61 0 0 15

1/17 400 35 36 48 59 17 32 152 62 0 .09 7
1/17 300 37 37 46 65 13 29 133 62 0 .09 23
1/17 200 38 36 45 67 17 27 122 63 .01 .09 7
1/17 100 38 38 47 60 20 31 112 63 0 .08 3
1/17 0 38 38 47 65 18 32 142 61 .01 .08 377
1/16 2300 36 36 53 75 21 38 164 59 .01 .07 334
1/16 2200 37 36 48 70 16 29 118 59 .01 .06 18
1/16 2100 36 36 56 68 16 37 113 57 0 .05 19
1/16 2000 38 37 50 68 17 27 109 61 0 .05 377
1/16 1900 37 37 63 78 18 28 106 60 0 .05 377
1/16 1800 39 38 57 75 20 34 151 61 0 .05 377
1/16 1700 37 37 67 81 12 28 148 62 .01 .05 377
1/16 1600 39 38 64 82 17 27 135 67 0 .04 377
1/16 1500 40 37 60 85 16 31 140 69 .01 .04 377
1/16 1400 39 38 62 83 16 22 116 72 0 .03 377
1/16 1300 40 41 58 72 19 27 125 83 0 .03 377
1/16 1200 39 39 55 70 17 28 127 82 0 .03 377
1/16 1100 37 39 50 64 14 19 95 71 .01 .03 377
1/16 1000 38 38 36 51 15 18 114 67 0 .02 15
1/16 900 37 36 27 38 16 20 101 64 .01 .02 16
1/16 800 38 35 14 30 13 18 103 62 0 .01 25
1/16 700 37 35 15 33 15 19 123 63 0 .01 21
1/16 600 37 34 17 44 12 17 158 61 .01 .01 22
1/16 500 38 35 19 38 12 18 96 61 0 0 21

1/16 400 35 34 27 43 10 13 108 61 .01 .08 18
1/16 300 37 34 21 45 9 13 151 60 0 .07 16
1/16 200 36 33 27 55 6 10 128 59 0 .07 25
1/16 100 37 34 13 55 10 16 256 60 0 .07 15
1/16 0 37 33 16 56 5 12 255 60 .01 .07 9
1/15 2300 37 32 19 61 9 16 275 59 0 .06 10
1/15 2200 36 34 19 57 9 15 269 58 .01 .06 29
1/15 2100 37 34 26 63 8 11 307 58 0 .05 377
1/15 2000 33 33 57 67 11 18 302 60 0 .05 377
1/15 1900 31 32 75 72 11 18 297 58 0 .05 377
1/15 1800 30 32 68 66 13 21 305 56 .01 .05 377
1/15 1700 30 33 36 35 12 19 289 54 0 .04 31
1/15 1600 32 34 25 32 8 17 271 60 0 .04 11
1/15 1500 34 36 26 35 10 16 269 61 .01 .04 22
1/15 1400 34 36 31 57 8 13 237 65 0 .03 17
1/15 1300 36 38 26 51 11 17 267 70 0 .03 377
1/15 1200 36 39 23 44 13 17 267 74 0 .03 377
1/15 1100 36 38 24 30 9 17 287 63 .01 .03 8
1/15 1000 34 37 20 32 13 17 274 59 0 .02 377
1/15 900 35 34 22 24 10 12 285 57 .01 .02 377
1/15 800 34 31 21 34 10 14 300 54 0 .01 377
1/15 700 32 36 22 21 10 16 294 51 0 .01 31
1/15 600 33 33 21 30 11 15 279 52 .01 .01 377
1/15 500 32 30 22 50 10 14 287 53 0 0 377

1/15 400 31 28 30 62 9 14 277 54 .01 .09 377
1/15 300 32 26 29 66 13 16 270 53 0 .08 377
1/15 200 33 29 24 58 4 9 294 50 0 .08 377
1/15 100 30 26 40 63 7 11 33 49 .01 .08 377
1/15 0 28 28 49 59 14 21 46 51 0 .07 377
1/14 2300 27 27 54 61 21 27 47 51 .01 .07 377
1/14 2200 27 24 48 66 24 29 48 51 0 .06 377
1/14 2100 27 26 31 47 23 28 46 49 0 .06 377
1/14 2000 28 23 23 60 21 27 52 49 .01 .06 377
1/14 1900 28 22 25 74 20 25 51 51 0 .05 377
1/14 1800 28 26 26 49 20 27 44 50 .01 .05 377
1/14 1700 27 25 29 63 19 27 38 48 0 .04 377
1/14 1600 30 21 26 79 20 28 45 47 0 .04 377
1/14 1500 31 23 28 79 17 20 45 54 0 .04 377
1/14 1400 31 24 28 77 17 22 64 55 0 .04 377
1/14 1300 34 21 24 84 17 24 67 58 .01 .04 377
1/14 1200 32 20 28 88 21 25 43 53 0 .03 377
1/14 1100 31 20 26 90 18 27 42 47 .01 .03 377
1/14 1000 33 20 17 90 13 18 45 46 0 .02 377
1/14 900 32 21 16 85 9 14 48 48 0 .02 377
1/14 800 33 22 11 85 7 10 53 49 0 .02 377
1/14 700 32 22 13 87 7 11 64 50 .01 .02 377
1/14 600 31 21 14 92 9 13 75 51 0 .01 377
1/14 500 30 21 17 94 5 10 54 52 .01 .01 377

1/14 400 31 22 14 86 9 13 98 55 0 .09 377
1/14 300 33 24 11 83 14 17 112 56 0 .09 377
1/14 200 32 23 11 91 12 16 120 56 .01 .09 377
1/14 100 31 22 14 93 7 9 93 53 0 .08 377
1/14 0 31 23 15 84 8 11 98 56 0 .08 377
1/13 2300 27 23 33 91 0 0 99 56 .01 .08 377
1/13 2200 22 23 88 89 0 0 77 53 0 .07 377
1/13 2100 22 23 92 93 0 0 96 55 0 .07 377
1/13 2000 21 23 93 95 0 0 53 53 .01 .07 377
1/13 1900 21 23 93 94 0 0 77 56 0 .06 377
1/13 1800 21 24 95 91 0 0 110 56 .01 .06 377
1/13 1700 21 25 94 93 0 0 100 58 0 .05 377
1/13 1600 21 25 94 93 0 0 130 61 0 .05 377
1/13 1500 23 27 96 87 0 0 147 61 0 .05 377
1/13 1400 24 32 95 94 0 0 145 65 .01 .05 27
1/13 1300 23 31 94 94 0 0 152 66 0 .04 377
1/13 1200 24 27 96 61 0 0 150 68 .01 .04 377
1/13 1100 25 24 96 81 0 0 156 61 0 .03 377
1/13 1000 21 22 95 95 0 0 143 58 0 .03 377
1/13 900 18 19 94 95 0 0 139 55 .01 .03 377
1/13 800 17 18 94 94 0 0 163 55 0 .02 377
1/13 700 17 18 95 92 0 0 176 56 .01 .02 377
1/13 600 19 17 95 95 0 0 209 55 .01 .01 377
1/13 500 19 18 94 92 0 0 175 55 0 0 377

1/13 400 18 18 95 95 0 0 196 55 .01 .22 377
1/13 300 18 18 95 94 0 0 183 55 .01 .21 377
1/13 200 16 17 95 96 0 0 169 55 .01 .2 377
1/13 100 16 17 94 95 0 0 172 56 .02 .19 377
1/13 0 17 18 95 96 0 0 172 56 .02 .17 377
1/12 2300 17 18 95 96 0 0 167 55 .01 .15 377
1/12 2200 17 18 94 98 0 0 172 55 .01 .14 377
1/12 2100 16 18 95 98 0 0 159 54 .01 .13 377
1/12 2000 17 18 94 96 0 0 225 54 0 .12 377
1/12 1900 17 17 95 96 0 0 171 55 0 .12 377
1/12 1800 20 17 96 97 0 0 191 55 0 .12 377
1/12 1700 22 18 95 97 0 0 190 55 0 .12 377
1/12 1600 30 20 97 97 0 0 179 55 0 .12 377
1/12 1500 27 23 97 98 0 0 202 50 0 .12 377
1/12 1400 23 24 95 100 0 0 203 46 0 .12 377
1/12 1300 26 25 97 98 0 0 175 42 .1 .12 377
1/12 1200 23 27 96 98 0 0 155 43 .02 .02 377
1/12 1100 17 18 94 95 0 0 143 34 0 0 377
1/12 1000 13 14 93 95 0 0 148 35 0 0 377
1/12 900 11 13 92 95 0 0 147 36 0 0 377
1/12 800 10 11 93 96 0 0 153 36 0 0 377
1/12 700 10 11 92 95 0 0 193 34 0 0 377
1/12 600 10 11 92 96 0 0 146 29 0 0 377
1/12 500 10 10 92 94 0 0 185 33 0 0 377

MM/DD Hour
PST
Temp
F
6240'
Temp
F
5500'
RH
%
6240'
RH
%
5500'
Wind
Avg
6240'
Wind
Max
6240'
Wind
Dir
6240'
Equip
Temp
5500'
Hour
Prec.
5500'
Total
Prec.
5500'
Total
Snow
5500'