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3-1-2015
Northwest Avalanche Center
Washington Department of Transportation
Chinook Pass, Washington

Wind gages unheated and may rime
Communications intermittent
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'

3/1 2000 23 27 88 86 10 13 176 61 0 .01 69
3/1 1900 25 28 77 80 8 12 176 62 0 .01 69
3/1 1800 27 29 65 71 11 16 139 64 0 .01 69
3/1 1700 28 31 56 65 8 14 129 70 0 .01 69
3/1 1600 30 34 51 56 6 14 141 75 0 .01 69
3/1 1500 32 35 48 52 7 18 147 79 0 .01 68
3/1 1400 31 35 45 49 9 14 135 81 0 .01 69
3/1 1300 30 36 47 53 10 14 132 87 0 .01 68
3/1 1200 30 36 45 49 9 14 107 89 0 .01 67
3/1 1100 28 33 53 56 10 13 73 75 0 .01 68
3/1 1000 27 31 52 57 8 11 46 88 0 .01 68
3/1 900 27 29 56 53 2 6 77 74 0 .01 69
3/1 800 24 27 54 57 1 6 124 61 0 .01 69
3/1 700 25 25 51 48 1 7 154 58 0 .01 71
3/1 600 23 24 60 57 7 13 63 55 0 .01 70
3/1 500 23 22 61 71 8 13 78 55 0 .01 71

3/1 400 22 22 66 72 4 7 87 55 0 .01 70
3/1 300 22 26 74 49 6 7 36 60 0 .01 71
3/1 200 21 25 82 51 5 8 34 59 0 .01 71
3/1 100 21 25 82 50 4 6 2 59 0 .01 71
3/1 0 21 26 79 49 4 6 4 56 0 .01 70
2/28 2300 21 26 82 43 2 5 4 59 0 .01 70
2/28 2200 22 27 80 45 3 6 338 58 0 .01 71
2/28 2100 23 27 75 42 0 2 291 57 .01 .01 71
2/28 2000 23 27 75 46 0 0 277 56 0 0 70
2/28 1900 22 27 85 48 0 2 286 55 0 0 70
2/28 1800 21 27 93 46 0 0 326 54 0 0 70
2/28 1700 29 28 95 60 0 0 351 59 0 0 70
2/28 1600 34 28 94 58 0 2 23 63 0 0 70
2/28 1500 31 28 97 65 0 1 350 64 0 0 70
2/28 1400 29 28 97 58 0 2 2 66 0 0 70
2/28 1300 26 25 96 63 3 5 346 65 0 0 69
2/28 1200 23 23 96 80 4 7 352 58 0 0 70
2/28 1100 22 21 96 95 3 7 351 46 0 0 70
2/28 1000 21 21 96 98 2 3 351 55 0 0 71
2/28 900 19 20 95 97 3 4 336 52 0 0 71
2/28 800 17 19 95 99 4 6 341 47 0 0 71
2/28 700 16 19 94 98 5 7 338 39 0 0 71
2/28 600 17 19 95 98 6 8 341 39 0 0 71
2/28 500 17 20 95 99 5 7 338 42 0 0 71

2/28 400 18 20 95 99 5 7 341 40 0 .05 71
2/28 300 19 21 95 99 5 7 336 42 0 .05 71
2/28 200 20 22 96 100 6 7 340 42 0 .05 71
2/28 100 20 22 96 100 5 8 344 42 0 .05 71
2/28 0 21 23 96 100 4 6 359 45 0 .05 71
2/27 2300 22 24 96 100 5 7 349 44 0 .05 71
2/27 2200 23 25 97 100 4 6 352 43 0 .05 71
2/27 2100 22 25 97 100 5 7 351 46 0 .05 71
2/27 2000 22 25 96 100 5 7 349 44 0 .05 71
2/27 1900 22 24 97 100 5 8 349 45 0 .05 71
2/27 1800 22 24 97 100 5 7 350 44 0 .05 71
2/27 1700 23 25 97 100 4 6 358 45 0 .05 72
2/27 1600 24 25 97 100 5 7 2 52 0 .05 72
2/27 1500 24 25 98 100 5 7 1 46 0 .05 71
2/27 1400 26 26 97 100 6 7 0 49 .01 .05 71
2/27 1300 26 26 98 100 6 7 0 49 0 .04 70
2/27 1200 27 26 98 100 6 9 2 51 0 .04 70
2/27 1100 27 27 98 100 6 8 3 51 .02 .04 70
2/27 1000 26 26 97 100 7 9 2 47 0 .02 70
2/27 900 26 27 97 100 7 9 3 47 0 .02 69
2/27 800 26 27 98 100 7 9 6 46 .01 .02 65
2/27 700 26 28 97 100 6 8 7 52 .01 .01 377
2/27 600 26 28 98 100 8 14 19 56 0 0 65
2/27 500 27 29 98 100 11 15 27 57 0 0 377

2/27 400 27 29 98 100 10 13 23 57 .02 .25 64
2/27 300 27 29 98 100 9 12 22 59 .01 .23 377
2/27 200 27 29 98 100 10 15 27 59 0 .22 64
2/27 100 27 29 98 100 9 14 30 61 .02 .22 65
2/27 0 27 29 98 100 10 15 24 61 .01 .2 64
2/26 2300 27 30 99 100 9 13 31 63 .06 .19 64
2/26 2200 28 30 98 100 8 13 38 63 0 .13 63
2/26 2100 28 30 98 100 8 14 76 63 0 .13 63
2/26 2000 28 31 99 100 8 12 99 62 0 .13 64
2/26 1900 28 31 98 100 5 10 93 61 .01 .13 64
2/26 1800 29 32 98 100 4 10 157 65 .01 .12 63
2/26 1700 30 32 98 100 9 13 149 67 .06 .11 63
2/26 1600 29 33 99 100 10 15 157 70 .04 .05 63
2/26 1500 31 34 98 98 8 14 147 75 0 .01 64
2/26 1400 31 35 96 94 8 13 137 82 0 .01 62
2/26 1300 31 36 92 92 7 12 137 86 0 .01 62
2/26 1200 33 35 96 94 4 9 118 87 0 .01 62
2/26 1100 32 33 98 95 3 8 130 75 0 .01 62
2/26 1000 29 32 98 96 4 8 150 72 0 .01 64
2/26 900 28 31 98 98 5 9 200 67 .01 .01 64
2/26 800 27 30 98 99 5 9 205 63 0 0 63
2/26 700 27 28 98 100 5 9 191 60 0 0 64
2/26 600 27 29 97 100 5 8 194 61 0 0 63
2/26 500 27 29 98 100 8 13 189 61 0 0 64

2/26 400 27 29 98 100 9 12 204 61 .01 .08 65
2/26 300 27 28 98 100 11 16 215 57 0 .07 65
2/26 200 27 29 98 100 11 16 212 60 0 .07 65
2/26 100 27 29 98 100 8 13 195 61 0 .07 65
2/26 0 27 29 98 100 7 11 173 60 0 .07 65
2/25 2300 27 29 98 100 8 13 198 62 0 .07 65
2/25 2200 27 29 98 100 8 13 197 62 0 .07 65
2/25 2100 27 29 98 100 8 11 179 60 0 .07 64
2/25 2000 27 29 97 100 6 9 192 61 .01 .07 64
2/25 1900 27 29 98 100 9 12 227 60 .01 .06 62
2/25 1800 27 29 98 100 10 15 227 61 .01 .05 63
2/25 1700 27 30 98 100 8 11 200 64 .01 .04 64
2/25 1600 28 31 98 99 7 11 163 67 0 .03 63
2/25 1500 28 31 98 98 10 13 140 71 .01 .03 63
2/25 1400 27 30 98 99 7 12 143 69 0 .02 63
2/25 1300 27 30 98 97 9 14 159 70 0 .02 63
2/25 1200 27 30 98 97 10 17 140 71 .01 .02 63
2/25 1100 25 30 96 98 7 14 130 70 0 .01 63
2/25 1000 24 28 97 99 6 9 171 68 0 .01 63
2/25 900 24 28 98 100 7 10 145 67 0 .01 64
2/25 800 24 27 96 100 3 7 189 64 .01 .01 64
2/25 700 24 26 96 100 5 10 200 61 0 0 64
2/25 600 24 26 97 100 5 10 195 62 0 0 64
2/25 500 24 26 97 100 7 13 219 61 0 0 64

2/25 400 24 26 97 100 12 18 230 56 0 0 64
2/25 300 24 26 98 100 14 18 217 57 0 0 64
2/25 200 24 25 98 100 21 28 238 52 0 0 64
2/25 100 25 26 94 100 20 28 242 54 0 0 64
2/25 0 26 25 92 100 24 28 238 52 0 0 64
2/24 2300 26 25 89 100 27 35 224 52 0 0 64
2/24 2200 28 25 78 100 29 36 224 50 0 0 64
2/24 2100 27 25 77 98 23 33 231 50 0 0 64
2/24 2000 25 26 84 90 19 24 226 57 0 0 64
2/24 1900 26 27 69 80 15 20 215 61 0 0 64
2/24 1800 27 29 70 71 10 17 184 65 0 0 64
2/24 1700 32 32 51 62 11 18 182 70 0 0 63
2/24 1600 35 36 53 52 11 15 184 73 0 0 63
2/24 1500 37 38 48 48 12 20 160 76 0 0 64
2/24 1400 36 38 43 46 16 26 150 81 0 0 63
2/24 1300 35 39 45 42 16 24 134 98 0 0 61
2/24 1200 33 41 41 39 17 28 142 99 0 0 60
2/24 1100 34 39 34 34 11 20 127 83 0 0 63
2/24 1000 34 39 33 32 10 16 189 99 0 0 63
2/24 900 35 37 35 30 10 15 198 76 0 0 63
2/24 800 39 34 46 33 15 20 231 65 0 0 64
2/24 700 38 34 56 32 18 22 228 63 0 0 64
2/24 600 37 35 62 32 16 20 219 65 0 0 64
2/24 500 37 35 58 41 16 20 229 64 0 0 64

(some missing data for this range)
2/23 2200 40 39 56 36 12 15 248 69 0 .01 64
2/23 2100 40 37 47 34 10 14 238 69 0 .01 64
2/23 2000 40 37 38 36 10 12 245 68 0 .01 64
2/23 1900 38 38 32 31 11 14 225 69 0 .01 64
2/23 1800 38 37 31 31 7 9 220 72 0 .01 64
2/23 1700 40 41 28 27 7 12 204 76 0 .01 64
2/23 1600 42 43 29 28 9 12 196 75 0 .01 64
2/23 1500 41 43 27 26 8 12 191 75 0 .01 64
2/23 1400 42 43 25 25 3 7 154 85 0 .01 63
2/23 1300 47 42 16 21 6 10 33 106 0 .01 60
2/23 1200 42 40 20 23 8 10 21 97 0 .01 61
2/23 1100 41 38 14 21 12 17 7 80 0 .01 63
2/23 1000 37 34 15 20 13 17 350 84 0 .01 64
2/23 900 35 27 17 28 6 12 323 56 0 .01 64
2/23 800 35 25 13 32 9 16 340 51 0 .01 64
2/23 700 27 23 16 45 12 20 16 49 0 .01 64
2/23 600 26 23 15 42 21 30 13 51 0 .01 64
2/23 500 20 21 41 56 15 27 6 45 .01 .01 64

2/23 400 30 22 9 52 2 9 10 48 0 0 64
2/23 300 32 21 10 52 4 10 317 45 0 0 64
2/23 200 22 22 37 51 13 18 11 47 0 0 64
2/23 100 21 25 44 42 17 27 353 52 0 0 64
2/23 0 22 23 48 49 28 35 347 48 0 0 64
2/22 2300 22 23 54 53 30 39 346 47 0 0 64
2/22 2200 22 21 53 58 27 36 340 42 0 0 64
2/22 2100 19 21 59 60 20 25 340 43 0 0 64
2/22 2000 21 22 54 56 15 23 341 46 0 0 64
2/22 1900 21 24 50 49 11 18 347 49 0 0 64
2/22 1800 24 25 43 46 9 16 346 50 0 0 64
2/22 1700 26 28 39 38 10 14 358 54 0 0 64
2/22 1600 27 29 37 35 10 14 350 57 0 0 64
2/22 1500 28 30 37 33 12 15 341 59 0 0 64
2/22 1400 29 31 35 34 9 13 346 65 0 0 64
2/22 1300 31 30 38 32 11 17 348 69 0 0 63
2/22 1200 28 28 52 40 13 16 349 64 0 0 63
2/22 1100 25 25 57 47 14 18 348 53 0 0 64
2/22 1000 21 22 68 54 15 19 342 54 0 0 63
2/22 900 19 20 65 54 15 22 338 50 0 0 64
2/22 800 15 16 69 68 19 25 338 43 0 0 64
2/22 700 14 17 74 64 18 24 337 45 0 0 64
2/22 600 14 18 75 62 12 17 336 45 0 0 64
2/22 500 14 18 77 64 11 15 338 43 0 0 64

2/22 400 14 19 73 58 13 19 338 45 0 .06 64
2/22 300 15 18 75 66 11 17 333 44 0 .06 64
2/22 200 16 20 82 67 10 18 337 44 0 .06 64
2/22 100 17 21 84 78 10 18 341 46 0 .06 64
2/22 0 18 22 89 79 13 19 335 47 .01 .06 64
2/21 2300 19 23 88 76 13 23 346 46 0 .05 64
2/21 2200 20 24 91 80 12 19 339 48 .01 .05 64
2/21 2100 21 24 93 86 12 16 335 49 0 .04 64
2/21 2000 21 24 94 86 11 15 337 49 0 .04 64
2/21 1900 22 26 91 78 10 18 330 50 0 .04 65
2/21 1800 23 27 87 72 14 23 342 51 0 .04 64
2/21 1700 24 29 84 60 11 19 337 55 0 .04 64
2/21 1600 26 30 84 59 16 22 336 59 0 .04 64
2/21 1500 27 31 85 58 17 26 335 60 0 .04 63
2/21 1400 28 31 86 56 17 27 337 63 0 .04 64
2/21 1300 27 31 89 57 18 25 334 68 .01 .04 63
2/21 1200 27 30 89 58 13 22 338 64 .01 .03 64
2/21 1100 27 29 92 61 11 17 338 56 0 .02 64
2/21 1000 26 27 96 82 9 14 333 63 .01 .02 64
2/21 900 24 25 95 89 5 9 326 53 0 .01 64
2/21 800 22 24 95 93 5 9 287 52 .01 .01 64
2/21 700 21 24 96 93 10 13 201 46 0 0 64
2/21 600 22 24 96 92 6 12 176 51 0 0 64
2/21 500 22 24 96 91 6 11 184 51 0 0 64

2/21 400 23 25 96 98 7 12 190 56 0 .05 64
2/21 300 22 25 97 93 8 15 234 53 0 .05 64
2/21 200 23 25 96 96 8 13 238 56 0 .05 64
2/21 100 24 27 97 98 7 12 227 58 0 .05 63
2/21 0 24 27 98 97 10 17 227 55 0 .05 64
2/20 2300 24 27 97 92 14 21 221 52 0 .05 64
2/20 2200 25 27 97 93 12 18 229 52 0 .05 64
2/20 2100 24 28 97 89 17 26 221 54 0 .05 64
2/20 2000 25 28 97 91 15 22 211 54 0 .05 64
2/20 1900 24 28 97 90 13 20 202 50 0 .05 65
2/20 1800 25 28 97 86 13 18 201 51 0 .05 64
2/20 1700 25 29 98 87 13 20 203 59 0 .05 64
2/20 1600 26 31 98 83 17 27 202 63 0 .05 64
2/20 1500 28 32 98 97 15 21 195 69 .01 .05 64
2/20 1400 29 32 98 99 14 19 197 71 .01 .04 64
2/20 1300 31 32 98 98 12 19 186 70 .01 .03 64
2/20 1200 31 32 98 98 13 21 176 72 0 .02 63
2/20 1100 30 32 98 97 0 1 189 72 0 .02 63
2/20 1000 29 33 98 96 0 0 189 75 0 .02 63
2/20 900 28 32 98 93 0 0 212 72 0 .02 63
2/20 800 27 30 98 95 0 0 222 65 .01 .02 64
2/20 700 27 29 99 96 0 0 220 61 0 .01 64
2/20 600 26 29 98 97 0 0 219 60 0 .01 377
2/20 500 27 30 98 98 0 0 214 58 .01 .01 63

2/20 400 27 98 0 0 219
2/20 300 27 99 0 0 210
2/20 200 27 29 99 100 0 0 201 60 0 98.89 64
2/20 100 27 29 98 99 0 0 216 58 0 98.89 64
2/20 0 28 29 99 99 0 0 204 56 .02 98.89 64
2/19 2300 28 30 99 98 0 0 207 59 .04 98.87 64
2/19 2200 28 30 99 100 0 0 201 62 .01 98.83 377
2/19 2100 29 30 98 99 0 0 164 62 0 98.82 62
2/19 2000 29 31 99 100 0 0 170 64 .02 98.82 62
2/19 1900 29 31 98 100 0 0 162 64 .04 98.8 377
2/19 1800 29 31 99 100 0 0 177 64 .02 98.76 61
2/19 1700 28 31 98 100 0 0 205 65 .02 98.74 64
2/19 1600 29 31 98 100 0 0 196 64 .02 98.72 377
2/19 1500 30 31 98 100 4 10 140 66 .04 98.7 60
2/19 1400 30 32 99 98 6 10 154 69 .04 98.66 62
2/19 1300 30 32 99 99 9 12 185 70 .04 98.62 62
2/19 1200 29 33 99 96 10 15 199 72 .06 98.58 61
2/19 1100 28 30 99 30 9 12 165 29 98.5 98.52 7
2/19 1000 29 32 99 99 10 15 139 70 .01 .02 61
2/19 900 29 32 99 98 9 15 162 70 0 .01 61
2/19 800 28 30 99 100 8 14 140 64 0 .01 61
2/19 700 28 30 99 100 8 14 128 64 0 .01 61
2/19 600 28 30 99 100 6 10 134 67 0 .01 60
2/19 500 27 30 99 100 6 8 192 66 .01 .01 60

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'