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2-23-2018
Northwest Avalanche Center
Washington Department of Transportation
Chinook Pass, Washington

Wind gages unheated and may rime
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'

2/23 1600 9 14 91 96 5 7 199 37 .01 .13 169
2/23 1500 9 16 89 97 5 7 204 40 .02 .12 167
2/23 1400 8 17 90 97 3 6 206 41 .03 .1 167
2/23 1300 8 18 90 97 0 0 212 44 .05 .07 165
2/23 1200 7 17 89 96 0 0 212 41 .01 .02 165
2/23 1100 8 15 81 95 0 0 229 38 0 .01 166
2/23 1000 8 12 73 95 0 0 276 34 0 .01 166
2/23 900 8 8 75 94 0 0 314 27 0 .01 166
2/23 800 7 7 76 93 0 0 324 24 0 .01 167
2/23 700 7 5 74 93 0 0 325 25 0 .01 167
2/23 600 5 6 85 93 0 0 323 26 0 .01 167
2/23 500 5 8 88 94 0 0 308 26 0 .01 160

2/23 400 5 6 88 92 0 0 342 25 0 .25 162
2/23 300 5 6 89 93 0 0 324 25 0 .25 161
2/23 200 5 5 89 93 0 0 317 26 0 .25 164
2/23 100 5 6 89 93 0 0 342 27 0 .25 164
2/23 0 5 8 89 93 0 0 354 27 0 .25 162
2/22 2300 5 7 90 93 0 0 334 27 0 .25 162
2/22 2200 6 8 90 94 0 0 331 26 0 .25 162
2/22 2100 7 10 90 94 0 0 339 31 0 .25 161
2/22 2000 7 10 91 95 0 0 10 30 0 .25 161
2/22 1900 7 9 90 95 0 0 341 29 0 .25 152
2/22 1800 7 10 90 94 0 0 346 30 0 .25 161
2/22 1700 8 12 90 94 0 0 2 32 .01 .25 160
2/22 1600 11 16 91 96 0 0 2 41 0 .24 162
2/22 1500 11 22 91 95 0 0 21 48 .06 .24 378
2/22 1400 12 19 90 96 0 0 58 44 .07 .18 378
2/22 1300 16 15 94 93 0 0 65 40 .01 .11 378
2/22 1200 16 14 93 93 0 0 39 38 .06 .1 378
2/22 1100 15 16 93 92 0 0 360 43 .04 .04 378
2/22 1000 10 9 92 92 0 0 4 32 0 0 378
2/22 900 7 8 90 93 0 0 13 24 0 0 378
2/22 800 5 7 89 93 0 0 20 22 0 0 378
2/22 700 4 7 89 93 0 0 26 21 0 0 378
2/22 600 4 7 90 93 0 0 20 22 0 0 378
2/22 500 5 8 90 94 0 0 19 22 0 0 378

2/22 400 6 9 90 94 0 0 32 23 0 .23 378
2/22 300 8 10 90 95 0 0 77 26 0 .23 378
2/22 200 9 10 91 94 0 0 77 31 0 .23 378
2/22 100 9 10 91 94 0 0 77 32 .01 .23 378
2/22 0 8 10 90 95 0 0 77 36 .02 .22 378
2/21 2300 8 10 90 95 0 0 79 37 .02 .2 378
2/21 2200 8 11 90 95 0 0 100 36 .01 .18 378
2/21 2100 8 11 91 95 0 0 183 36 0 .17 378
2/21 2000 8 11 91 95 0 0 190 37 .01 .17 378
2/21 1900 8 11 90 96 0 0 201 37 .01 .16 378
2/21 1800 8 12 91 96 0 0 198 37 .01 .15 378
2/21 1700 8 14 91 96 0 0 159 39 .01 .14 159
2/21 1600 9 15 91 97 0 0 173 42 .02 .13 378
2/21 1500 10 18 90 97 0 0 338 45 .01 .11 159
2/21 1400 10 18 90 97 0 0 354 43 0 .1 160
2/21 1300 10 19 89 98 0 0 186 49 .03 .1 159
2/21 1200 10 20 86 98 0 0 193 47 .04 .07 160
2/21 1100 14 18 88 97 0 0 193 43 .01 .03 155
2/21 1000 9 15 83 96 0 0 193 38 .02 .02 158
2/21 900 9 10 89 93 0 0 193 34 0 0 161
2/21 800 8 1 90 90 0 0 193 29 0 0 161
2/21 700 5 2 90 91 0 0 342 24 0 0 378
2/21 600 6 3 91 91 0 0 342 24 0 0 155
2/21 500 2 4 88 92 0 0 343 22 0 0 156

2/21 400 2 4 89 93 0 0 347 21 0 .13 157
2/21 300 2 5 89 93 0 0 354 25 0 .13 156
2/21 200 2 5 88 93 0 0 358 21 0 .13 159
2/21 100 2 5 89 93 0 0 61 20 0 .13 158
2/21 0 3 5 89 92 0 0 60 21 0 .13 162
2/20 2300 3 6 88 93 0 0 64 20 0 .13 161
2/20 2200 4 6 89 93 0 0 68 21 0 .13 162
2/20 2100 4 7 89 94 0 0 72 24 0 .13 161
2/20 2000 5 8 90 94 0 0 72 23 0 .13 157
2/20 1900 7 9 90 94 0 0 71 24 0 .13 156
2/20 1800 7 10 91 94 0 0 70 24 0 .13 158
2/20 1700 8 11 91 95 0 0 69 27 0 .13 160
2/20 1600 12 13 91 95 0 0 66 35 .01 .13 378
2/20 1500 11 18 91 96 0 0 102 47 .02 .12 151
2/20 1400 11 19 90 96 0 0 94 47 .01 .1 158
2/20 1300 9 19 91 96 0 0 107 50 .01 .09 158
2/20 1200 10 18 90 96 0 0 74 49 .03 .08 160
2/20 1100 10 16 89 95 0 0 77 45 .03 .05 162
2/20 1000 8 12 89 95 0 0 77 42 .01 .02 162
2/20 900 6 11 89 95 0 0 77 39 .01 .01 163
2/20 800 5 8 89 94 0 0 71 33 0 0 163
2/20 700 4 7 90 93 0 0 83 31 0 0 163
2/20 600 4 6 89 93 0 0 137 31 0 0 163
2/20 500 4 6 89 93 0 0 139 28 0 0 161

2/20 400 3 6 90 93 0 0 169 28 0 .29 162
2/20 300 4 7 89 94 0 0 189 30 0 .29 163
2/20 200 4 6 89 93 0 0 201 29 0 .29 163
2/20 100 4 6 89 93 0 0 323 29 0 .29 163
2/20 0 3 6 87 93 0 0 329 27 0 .29 163
2/19 2300 2 5 88 93 0 0 332 24 0 .29 164
2/19 2200 2 5 88 93 0 0 322 25 0 .29 164
2/19 2100 2 6 89 92 0 0 272 24 0 .29 164
2/19 2000 3 6 89 92 0 0 330 23 0 .29 164
2/19 1900 3 5 89 92 0 0 301 25 0 .29 164
2/19 1800 4 7 90 93 0 0 317 24 0 .29 165
2/19 1700 8 9 90 94 0 0 189 26 0 .29 163
2/19 1600 9 11 91 93 0 0 220 29 0 .29 163
2/19 1500 10 14 90 96 0 0 9 39 0 .29 163
2/19 1400 12 15 91 95 0 0 7 43 .01 .29 163
2/19 1300 10 16 90 95 0 0 18 51 .03 .28 159
2/19 1200 10 18 89 95 0 0 14 50 .12 .25 157
2/19 1100 10 20 90 98 0 0 45 52 .12 .13 378
2/19 1000 7 13 90 95 0 0 341 44 .01 .01 378
2/19 900 7 7 90 93 0 0 49 26 0 0 163
2/19 800 5 6 89 93 0 0 83 22 0 0 156
2/19 700 5 6 90 93 0 0 76 22 0 0 162
2/19 600 4 6 90 93 0 0 353 24 0 0 161
2/19 500 5 7 89 93 0 0 7 22 0 0 160

2/19 400 5 8 89 94 0 0 15 28 0 .91 162
2/19 300 5 8 90 94 0 0 30 24 0 .91 161
2/19 200 5 8 91 94 0 0 64 23 0 .91 161
2/19 100 6 8 91 94 0 0 60 24 0 .91 162
2/19 0 7 9 91 94 0 0 66 29 .01 .91 165
2/18 2300 8 10 91 95 0 0 62 26 0 .9 164
2/18 2200 8 10 91 95 0 0 64 26 0 .9 163
2/18 2100 7 10 91 94 0 0 67 26 0 .9 163
2/18 2000 8 10 90 95 0 0 69 26 0 .9 164
2/18 1900 8 11 91 95 0 0 63 29 .01 .9 164
2/18 1800 10 12 91 95 0 0 65 30 .01 .89 162
2/18 1700 12 13 93 96 0 0 63 34 .02 .88 157
2/18 1600 14 14 92 96 0 0 61 35 .05 .86 165
2/18 1500 16 17 92 96 0 0 114 42 .11 .81 163
2/18 1400 14 21 92 98 0 0 113 47 .14 .7 163
2/18 1300 14 23 92 98 0 0 106 50 .12 .56 162
2/18 1200 13 21 91 98 0 0 116 46 .17 .44 160
2/18 1100 14 21 91 97 0 0 114 47 .15 .27 162
2/18 1000 12 18 91 97 0 0 111 42 .06 .12 166
2/18 900 11 15 92 97 0 0 140 36 .02 .06 163
2/18 800 11 15 92 97 0 0 222 34 0 .04 157
2/18 700 11 14 92 96 0 0 133 33 .02 .04 158
2/18 600 12 15 92 97 0 0 125 35 .01 .02 163
2/18 500 12 15 92 97 0 0 268 36 .01 .01 160

2/18 300 13 16 94 97 3 7 274 31 .01 1.1 161
2/18 200 15 18 94 98 0 3 272 36 .02 1.09 160
2/18 100 16 19 94 98 4 8 233 37 .01 1.07 159
2/18 0 17 20 95 98 0 2 235 39 .04 1.06 157
2/17 2300 17 20 95 98 5 8 222 38 .03 1.02 155
2/17 2200 18 22 95 99 4 6 222 40 .02 .99 156
2/17 2100 19 22 96 100 4 7 224 39 .02 .97 155
2/17 2000 20 23 95 99 6 12 212 39 .03 .95 157
2/17 1900 20 22 95 100 6 11 221 39 .02 .92 155
2/17 1800 20 23 96 99 7 10 220 39 .03 .9 155
2/17 1700 21 23 96 99 6 9 245 42 .05 .87 157
2/17 1600 20 26 91 99 6 10 275 45 .08 .82 156
2/17 1500 23 26 94 99 9 16 254 45 .08 .74 159
2/17 1400 25 28 95 100 9 19 248 46 .1 .66 158
2/17 1300 27 28 80 100 16 25 239 48 .12 .56 158
2/17 1200 27 29 97 100 17 25 227 46 .12 .44 160
2/17 1100 26 27 97 100 11 18 228 45 .08 .32 158
2/17 1000 25 27 97 100 9 15 229 42 .07 .24 157
2/17 900 25 26 98 100 10 16 230 40 .04 .17 155
2/17 800 25 27 96 100 9 16 234 40 .03 .13 153
2/17 700 25 27 98 100 10 17 232 39 .03 .1 152
2/17 600 25 27 96 100 8 17 237 39 .03 .07 150
2/17 500 24 26 96 100 7 14 239 41 .02 .04 148
2/17 400 25 27 97 100 5 9 241 43 .02 .02 147

2/17 400 25 27 97 100 5 9 241 43 .02 1.12 147
2/17 300 25 27 97 100 5 12 227 44 .01 1.1 146
2/17 200 24 26 96 100 5 12 222 43 0 1.09 147
2/17 100 23 25 96 99 3 8 216 43 0 1.09 147
2/17 0 23 26 96 99 6 10 208 42 0 1.09 148
2/16 2300 24 27 97 100 6 9 208 43 0 1.09 148
2/16 2200 25 27 96 99 6 9 210 45 .01 1.09 147
2/16 2100 26 28 97 99 7 11 207 47 .02 1.08 148
2/16 2000 25 27 96 99 5 11 218 47 .02 1.06 148
2/16 1900 25 27 97 99 10 14 208 47 .02 1.04 148
2/16 1800 25 27 97 100 10 13 207 47 .01 1.02 377
2/16 1700 25 28 96 99 11 15 211 47 .03 1.01 148
2/16 1600 26 29 97 97 12 16 207 49 .08 .98 146
2/16 1500 25 29 96 95 13 20 218 52 .12 .9 146
2/16 1400 24 28 97 95 19 26 220 52 .14 .78 144
2/16 1300 23 27 96 93 19 27 212 52 .13 .64 147
2/16 1200 23 27 95 94 25 32 220 49 .11 .51 148
2/16 1100 22 26 95 95 16 26 229 46 .08 .4 146
2/16 1000 21 25 95 95 15 21 217 45 .08 .32 147
2/16 900 21 23 95 97 15 22 213 43 .05 .24 145
2/16 800 20 22 95 98 15 25 229 40 .05 .19 148
2/16 700 20 21 95 97 18 23 200 40 .04 .14 378
2/16 600 20 21 95 98 16 23 195 40 .05 .1 145
2/16 500 19 21 95 97 11 16 217 41 .05 .05 144

2/16 400 19 21 95 99 16 28 226 40 .04 .51 143
2/16 300 19 21 95 98 14 23 221 40 .04 .47 378
2/16 200 19 21 95 98 10 16 205 41 .01 .43 142
2/16 100 19 21 95 97 12 18 209 42 .03 .42 142
2/16 0 18 21 95 97 13 24 218 42 .02 .39 139
2/15 2300 18 20 94 98 14 22 202 40 .01 .37 142
2/15 2200 17 19 93 97 12 17 211 40 0 .36 142
2/15 2100 18 20 94 98 8 16 212 41 .01 .36 142
2/15 2000 18 21 95 98 11 19 213 40 .01 .35 378
2/15 1900 20 22 95 98 9 19 194 41 .02 .34 137
2/15 1800 20 22 95 98 8 12 212 44 .02 .32 378
2/15 1700 20 23 95 97 9 17 223 44 .03 .3 140
2/15 1600 21 23 94 96 8 15 221 45 .01 .27 140
2/15 1500 21 25 95 93 9 18 223 51 .01 .26 141
2/15 1400 21 25 95 92 8 18 227 51 0 .25 140
2/15 1300 22 25 96 94 6 15 243 51 0 .25 141
2/15 1200 20 24 95 92 10 16 205 49 .05 .25 141
2/15 1100 18 23 94 92 15 21 196 47 .05 .2 141
2/15 1000 17 22 94 94 12 19 178 45 .04 .15 141
2/15 900 16 20 93 95 8 11 169 42 .02 .11 142
2/15 800 16 18 93 96 8 11 188 38 .02 .09 142
2/15 700 16 19 93 97 6 12 194 38 .02 .07 142
2/15 600 16 19 94 97 5 9 225 39 .03 .05 141
2/15 500 17 19 95 97 3 8 230 39 .02 .02 141

2/15 400 16 18 93 98 11 18 307 37 .01 1.01 141
2/15 300 17 19 94 95 11 15 293 38 .01 1 378
2/15 200 17 19 94 94 13 20 289 36 .01 .99 142
2/15 100 17 19 94 97 10 14 272 38 .02 .98 143
2/15 0 17 20 94 98 8 12 256 41 .02 .96 142
2/14 2300 17 20 94 97 11 17 246 40 .03 .94 143
2/14 2200 17 20 94 98 10 16 279 42 .01 .91 142
2/14 2100 17 20 94 94 14 25 295 40 .01 .9 141
2/14 2000 18 20 95 94 15 22 292 38 .01 .89 143
2/14 1900 18 20 94 95 16 24 294 38 0 .88 143
2/14 1800 18 20 94 96 13 22 290 37 .01 .88 142
2/14 1700 19 21 94 96 10 17 273 39 .04 .87 140
2/14 1600 20 23 95 96 10 17 300 44 .06 .83 137
2/14 1500 20 24 94 96 11 25 262 48 .08 .77 136
2/14 1400 20 24 94 95 10 19 246 49 .07 .69 137
2/14 1300 20 24 94 95 11 17 278 49 .06 .62 138
2/14 1200 20 25 95 91 8 15 248 50 .12 .56 137
2/14 1100 20 24 95 95 11 19 234 49 .09 .44 137
2/14 1000 18 23 95 96 14 23 231 45 .07 .35 137
2/14 900 19 23 95 95 17 22 207 46 .09 .28 137
2/14 800 19 21 95 97 19 26 208 42 .06 .19 138
2/14 700 19 20 94 97 21 30 209 39 .05 .13 135
2/14 600 18 20 94 97 23 35 212 38 .04 .08 138
2/14 500 19 20 96 98 20 31 213 39 .04 .04 136

2/14 400 19 20 95 98 15 25 219 40 .04 .14 136
2/14 300 20 21 95 98 16 24 202 41 .02 .1 130
2/14 200 20 21 96 98 16 24 205 40 .02 .08 135
2/14 100 19 20 94 98 17 32 194 39 .02 .06 136
2/14 0 18 20 95 97 17 26 190 40 0 .04 136
2/13 2300 18 21 95 94 15 28 227 43 .02 .04 136
2/13 2200 21 23 76 84 17 25 231 45 0 .02 137
2/13 2100 22 24 69 81 18 26 242 46 0 .02 137
2/13 2000 26 26 56 70 26 33 225 47 0 .02 138
2/13 1900 28 27 47 65 26 36 212 47 0 .02 138
2/13 1800 30 28 41 60 26 33 206 49 .01 .02 137
2/13 1700 31 32 34 42 24 31 216 55 0 .01 138
2/13 1600 34 36 27 31 23 29 226 59 0 .01 138
2/13 1500 34 38 26 29 19 26 218 60 0 .01 138
2/13 1400 34 40 24 25 20 29 220 69 0 .01 135
2/13 1300 34 40 23 23 16 23 199 83 0 .01 136
2/13 1200 34 40 21 18 7 19 221 85 0 .01 137
2/13 1100 39 38 17 18 4 12 164 62 0 .01 137
2/13 1000 35 36 13 15 3 8 149 71 0 .01 135
2/13 900 39 31 10 16 3 8 174 51 .01 .01 137
2/13 800 33 30 21 20 4 8 248 50 0 0 139
2/13 700 34 29 41 13 7 9 312 48 0 0 138
2/13 600 35 32 42 15 9 13 326 49 0 0 138
2/13 500 33 31 25 10 9 13 315 45 0 0 137

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'