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4-26-2015
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'

(some missing data for this range)
4/26 1500 34 39 77 81 11 22 160 93 0 .02 70
4/26 1400 34 37 75 80 10 23 113 86 0 .02 70
4/26 1300 33 38 80 79 5 14 174 94 0 .02 70
4/26 1200 32 38 82 74 5 15 120 94 0 .02 70
4/26 1100 31 37 82 79 13 18 105 92 0 .02 70
4/26 1000 27 36 73 79 13 17 92 91 0 .02 70
4/26 900 25 33 84 81 14 18 56 79 0 .02 70
4/26 800 25 31 90 80 10 13 50 71 0 .02 70
4/26 700 24 29 85 82 5 12 26 66 0 .02 71
4/26 600 24 27 83 85 3 7 42 62 0 .02 72
4/26 500 21 24 95 89 6 11 92 55 0 .02 72

4/26 400 21 24 92 84 7 12 142 55 0 96.35 73
4/26 300 21 23 92 100 8 13 229 53 0 96.35 72
4/26 200 21 24 95 99 13 15 234 55 .01 96.35 72
4/26 100 21 24 96 94 10 13 255 54 0 96.34 71
4/26 0 22 25 96 86 11 15 252 52 0 96.34 73
4/25 2300 22 24 96 99 12 17 245 55 0 96.34 72
4/25 2200 22 25 97 92 13 20 236 55 0 96.34 71
4/25 2100 22 25 97 97 13 18 229 56 0 96.34 72
4/25 2000 23 26 97 92 11 20 233 54 0 96.34 72
4/25 1900 24 27 97 98 12 21 228 61 0 96.34 72
4/25 1800 25 28 97 95 14 23 217 63 0 96.34 71
4/25 1700 26 30 98 94 13 22 219 69 .01 96.34 72
4/25 1600 26 30 97 96 13 21 210 68 0 96.33 72
4/25 1500 28 33 98 86 14 20 207 84 0 96.33 71
4/25 1400 28 33 98 87 13 20 197 79 0 96.33 71
4/25 1300 30 34 98 87 8 15 195 82 0 96.33 72
4/25 1200 30 35 98 85 8 13 179 85 .01 96.33 72
4/25 1100 30 36 98 86 5 9 178 89 0 96.32 71
4/25 1000 28 36 97 86 4 6 198 87 .01 96.32 69
4/25 900 25 31 97 93 4 6 214 72 .01 96.31 74
4/25 800 23 30 97 88 6 8 202 69 .08 96.3 377
4/25 700 25 28 97 97 2 6 176 63 .09 96.22 75
4/25 600 22 22 96 22 4 9 170 22 96.1 96.13 0
4/25 500 22 25 96 98 4 10 141 56 .03 .03 74

4/25 400 23 25 97 99 4 8 139 56 .02 .89 73
4/25 300 23 25 97 99 3 9 167 57 .02 .87 73
4/25 200 23 25 97 99 4 10 177 56 .04 .85 73
4/25 100 24 26 97 100 5 10 170 57 .07 .81 71
4/25 0 24 26 97 100 6 13 170 59 .04 .74 72
4/24 2300 24 26 97 100 9 17 170 58 .03 .7 73
4/24 2200 24 27 97 100 4 9 127 59 .01 .67 73
4/24 2100 25 27 98 100 6 10 151 59 .06 .66 72
4/24 2000 25 27 97 100 5 10 128 59 .08 .6 72
4/24 1900 26 28 97 100 2 11 226 59 .12 .52 72
4/24 1800 27 29 98 99 6 19 145 62 .09 .4 377
4/24 1700 27 29 97 99 16 26 170 64 .01 .31 70
4/24 1600 29 31 97 96 11 22 170 73 0 .3 69
4/24 1500 29 31 97 95 12 20 167 75 0 .3 69
4/24 1400 30 32 98 95 8 16 171 79 .04 .3 70
4/24 1300 28 34 98 90 12 18 174 88 0 .26 69
4/24 1200 27 32 97 96 6 14 167 73 .04 .26 69
4/24 1100 26 30 97 95 7 12 164 70 0 .22 377
4/24 1000 26 29 96 94 6 14 163 67 .02 .22 70
4/24 900 25 26 97 99 9 16 178 60 .03 .2 71
4/24 800 24 27 96 98 5 13 179 60 .04 .17 70
4/24 700 23 26 96 99 2 5 217 59 .05 .13 70
4/24 600 22 25 97 99 6 15 174 55 .03 .08 377
4/24 500 22 25 97 100 8 19 185 53 .05 .05 377

4/24 400 22 24 97 100 10 22 145 54 .05 .4 69
4/24 300 22 24 96 100 16 25 161 55 .04 .35 377
4/24 200 22 24 96 100 15 23 158 54 .03 .31 69
4/24 100 21 24 96 100 9 18 147 53 .01 .28 69
4/24 0 21 24 96 99 6 15 172 56 .01 .27 69
4/23 2300 22 25 96 100 13 24 169 56 .01 .26 69
4/23 2200 23 26 96 100 19 27 170 53 .01 .25 69
4/23 2100 24 27 97 100 29 39 156 56 0 .24 69
4/23 2000 26 28 98 100 20 32 175 58 .02 .24 67
4/23 1900 27 29 98 100 19 33 179 58 0 .22 69
4/23 1800 28 30 98 100 20 36 166 62 .02 .22 69
4/23 1700 29 32 97 99 24 32 150 66 0 .2 69
4/23 1600 29 32 97 98 12 25 153 67 .06 .2 69
4/23 1500 30 32 97 98 8 19 108 68 .08 .14 68
4/23 1400 28 32 97 97 10 20 139 71 .06 .06 67
4/23 1300 29 34 93 82 13 26 96 80 0 0 67
4/23 1200 29 36 85 71 15 22 125 82 0 0 67
4/23 1100 27 34 84 72 14 24 117 82 0 0 67
4/23 1000 27 31 86 79 14 24 106 77 0 0 66
4/23 900 24 28 82 85 11 24 96 69 0 0 67
4/23 800 21 26 85 87 14 22 138 64 0 0 67
4/23 700 19 24 92 95 14 20 149 61 0 0 68
4/23 600 19 23 95 99 15 19 150 57 0 0 68
4/23 500 20 24 96 98 10 14 151 58 0 0 67

4/23 400 20 24 96 100 10 15 152 58 0 .04 67
4/23 300 21 24 96 100 10 15 154 59 0 .04 68
4/23 200 22 25 97 100 10 18 158 60 0 .04 67
4/23 100 22 25 97 100 10 13 145 60 0 .04 68
4/23 0 23 25 97 100 11 17 148 60 0 .04 67
4/22 2300 23 26 98 100 11 18 158 60 0 .04 66
4/22 2200 23 27 98 94 11 15 209 61 0 .04 67
4/22 2100 25 28 88 82 12 17 228 57 0 .04 67
4/22 2000 25 29 90 80 12 18 229 59 0 .04 67
4/22 1900 26 30 89 79 13 19 229 57 0 .04 67
4/22 1800 28 31 82 75 15 21 226 54 0 .04 68
4/22 1700 31 33 75 69 14 21 221 65 0 .04 68
4/22 1600 32 35 67 66 16 22 218 80 0 .04 67
4/22 1500 34 37 67 79 14 20 215 89 0 .04 67
4/22 1400 34 35 72 84 13 18 175 83 0 .04 66
4/22 1300 30 35 89 84 14 24 156 89 0 .04 66
4/22 1200 29 35 91 86 14 20 154 87 0 .04 65
4/22 1100 27 32 94 89 12 18 163 82 0 .04 67
4/22 1000 23 29 92 94 12 18 170 73 0 .04 67
4/22 900 22 26 95 97 13 21 185 67 0 .04 68
4/22 800 21 25 94 96 13 18 148 65 .01 .04 68
4/22 700 20 24 94 97 18 28 144 58 .01 .03 68
4/22 600 20 24 90 99 22 27 144 54 0 .02 68
4/22 500 20 23 88 100 23 31 144 51 .02 .02 68

4/22 400 20 23 90 100 21 29 143 49 0 .15 68
4/22 300 20 23 96 100 18 27 141 54 .01 .15 68
4/22 200 20 23 97 100 14 25 140 52 0 .14 69
4/22 100 20 24 96 100 12 19 140 53 .01 .14 69
4/22 0 21 24 97 98 12 19 140 57 0 .13 68
4/21 2300 22 27 97 100 8 15 140 59 .01 .13 68
4/21 2200 25 28 98 100 12 22 140 59 .04 .12 68
4/21 2100 27 30 98 100 12 20 140 62 .03 .08 68
4/21 2000 31 32 100 100 10 16 153 65 .04 .05 69
4/21 1900 32 35 99 100 8 22 182 67 .01 .01 69
4/21 1800 35 37 99 100 9 13 217 71 0 0 69
4/21 1700 35 38 99 97 9 15 207 73 0 0 68
4/21 1600 37 40 99 92 10 16 214 77 0 0 69
4/21 1500 39 43 96 88 11 15 222 83 0 0 68
4/21 1400 41 45 90 82 11 16 204 85 0 0 68
4/21 1300 46 52 73 63 9 16 175 105 0 0 67
4/21 1200 45 52 71 58 10 16 167 107 0 0 67
4/21 1100 47 51 65 57 8 12 192 104 0 0 68
4/21 1000 44 49 69 58 8 11 198 99 0 0 68
4/21 900 42 46 67 64 7 9 215 85 0 0 70
4/21 800 41 45 64 60 8 11 247 80 0 0 70
4/21 700 41 46 66 57 9 13 267 81 0 0 70
4/21 600 41 44 69 60 11 14 259 73 0 0 71
4/21 500 41 44 68 64 10 16 265 74 0 0 70

4/21 400 41 44 63 57 11 15 268 70 0 0 71
4/21 300 41 45 54 43 11 16 265 72 0 0 71
4/21 200 43 46 46 39 9 12 260 73 0 0 71
4/21 100 44 46 31 34 7 9 255 77 0 0 71
4/21 0 45 45 36 65 6 9 248 76 0 0 71
4/20 2300 44 46 59 60 3 6 266 78 0 0 71
4/20 2200 45 46 67 65 3 9 260 78 0 0 70
4/20 2100 44 46 69 65 9 12 251 75 0 0 71
4/20 2000 45 48 66 61 12 16 245 75 0 0 71
4/20 1900 46 49 64 59 14 19 240 78 0 0 70
4/20 1800 49 51 58 55 12 16 202 86 0 0 70
4/20 1700 54 54 49 50 10 16 188 94 0 0 71
4/20 1600 54 59 42 39 10 17 205 113 0 0 69
4/20 1500 57 61 39 34 11 24 165 114 0 0 70
4/20 1400 54 60 41 31 9 17 140 108 0 0 69
4/20 1300 54 58 42 35 6 13 125 111 0 0 69
4/20 1200 55 58 41 36 5 12 118 113 0 0 70
4/20 1100 52 57 44 39 6 15 123 111 0 0 71
4/20 1000 49 55 49 41 3 13 118 110 0 0 70
4/20 900 48 53 47 43 5 9 76 93 0 0 69
4/20 800 47 50 52 45 6 11 80 85 0 0 71
4/20 700 46 50 48 49 9 12 135 87 0 0 71
4/20 600 46 47 51 51 10 12 144 81 0 0 73
4/20 500 46 45 54 54 9 13 149 79 0 0 73

4/20 400 46 46 50 51 10 12 110 79 0 0 73
4/20 300 45 46 50 49 10 12 76 79 0 0 73
4/20 200 45 47 46 47 9 12 51 79 0 0 73
4/20 100 45 45 50 50 8 11 69 79 0 0 74
4/20 0 45 46 49 57 7 11 77 80 0 0 74
4/19 2300 45 47 53 58 6 9 28 81 0 0 74
4/19 2200 44 47 61 58 5 8 16 81 0 0 73
4/19 2100 45 47 62 56 3 7 310 81 0 0 73
4/19 2000 45 47 61 57 9 13 255 78 0 0 74
4/19 1900 44 48 60 55 13 17 229 76 0 0 73
4/19 1800 48 50 54 53 13 17 222 86 0 0 73
4/19 1700 50 52 52 49 13 19 218 90 0 0 73
4/19 1600 51 55 44 39 12 18 215 99 0 0 73
4/19 1500 55 58 29 24 7 15 181 111 0 0 72
4/19 1400 54 57 25 23 5 12 128 108 0 0 71
4/19 1300 55 56 24 22 4 9 88 113 0 0 72
4/19 1200 53 55 25 23 4 8 43 109 0 0 72
4/19 1100 52 52 33 30 6 12 21 103 0 0 73
4/19 1000 49 48 38 34 9 13 15 88 0 0 73
4/19 900 44 44 37 38 10 15 14 74 0 0 74
4/19 800 47 46 33 35 5 7 13 79 0 0 74
4/19 700 43 45 30 31 4 8 344 78 0 0 75
4/19 600 44 44 26 31 5 8 312 72 0 0 75
4/19 500 41 43 31 31 8 12 284 70 0 0 75

4/19 400 42 44 30 28 7 9 284 71 0 0 74
4/19 300 42 45 28 29 4 9 302 73 0 0 75
4/19 200 41 45 28 27 6 11 266 75 0 0 75
4/19 100 41 44 26 26 8 14 243 75 0 0 75
4/19 0 41 44 26 25 13 17 245 73 0 0 75
4/18 2300 41 45 25 23 15 19 235 73 0 0 75
4/18 2200 41 45 32 24 16 21 233 71 0 0 75
4/18 2100 41 45 45 45 17 21 247 69 0 0 75
4/18 2000 40 43 84 77 18 22 249 65 0 0 75
4/18 1900 42 44 73 69 18 23 236 67 0 0 75
4/18 1800 46 48 63 61 13 16 221 72 0 0 74
4/18 1700 49 52 43 40 9 13 221 92 0 0 75
4/18 1600 52 55 26 21 9 14 217 106 0 0 74
4/18 1500 53 57 22 18 7 14 232 111 0 0 75
4/18 1400 51 54 15 15 7 14 243 103 0 0 74
4/18 1300 49 55 15 15 9 15 232 109 0 0 74
4/18 1200 50 53 16 14 9 19 248 105 0 0 74
4/18 1100 48 53 20 15 6 13 268 110 0 0 75
4/18 1000 48 54 14 16 3 8 280 112 0 0 74
4/18 900 46 51 9 14 3 8 307 95 0 0 75
4/18 800 45 47 14 14 7 13 280 79 0 0 76
4/18 700 40 45 11 11 11 16 242 75 0 0 76
4/18 600 39 43 12 12 9 16 238 70 0 0 76
4/18 500 39 39 14 18 13 18 267 67 0 0 77

4/18 400 36 42 18 14 18 24 240 63 0 0 77
4/18 300 35 39 32 27 17 22 248 62 0 0 77
4/18 200 35 39 51 37 17 21 243 60 0 0 77
4/18 100 34 37 76 64 15 21 231 58 0 0 77
4/18 0 33 37 86 79 13 18 215 60 0 0 77
4/17 2300 33 37 90 83 12 19 242 66 0 0 77
4/17 2200 34 38 75 67 11 17 270 65 0 0 77
4/17 2100 34 37 81 75 12 16 259 66 0 0 77
4/17 2000 34 38 84 76 10 19 221 67 0 0 77
4/17 1900 37 40 84 78 8 16 208 73 0 0 77
4/17 1800 39 42 84 78 15 22 208 74 0 0 76
4/17 1700 42 45 76 70 13 22 221 72 0 0 77
4/17 1600 46 50 59 51 11 16 223 100 0 0 77
4/17 1500 47 50 64 59 11 20 214 95 0 0 76
4/17 1400 48 51 64 59 8 17 204 96 0 0 77
4/17 1300 48 55 59 49 11 19 163 109 0 0 75
4/17 1200 48 55 59 48 9 14 171 110 0 0 76
4/17 1100 46 53 63 48 8 13 187 108 0 0 77
4/17 1000 45 51 62 49 6 10 186 109 0 0 78
4/17 900 44 50 56 46 6 12 198 93 0 0 78
4/17 800 44 49 46 44 3 7 161 85 0 0 79
4/17 700 46 48 41 43 1 6 104 88 0 0 79
4/17 600 44 45 47 49 4 8 88 79 0 0 80
4/17 500 44 44 46 48 7 10 89 76 0 0 80

4/17 400 44 44 45 55 9 12 83 76 0 0 80
4/17 300 44 44 53 58 11 14 88 76 0 0 80
4/17 200 44 43 56 64 10 13 105 74 0 0 80
4/17 100 46 44 53 64 3 7 81 77 0 0 80
4/17 0 46 45 52 62 2 5 51 77 0 0 80
4/16 2300 45 44 59 65 3 6 39 74 0 0 80
4/16 2200 43 43 65 68 6 10 24 72 0 0 80
4/16 2100 44 45 64 65 7 10 18 77 0 0 80
4/16 2000 44 47 65 61 2 5 349 79 0 0 80
4/16 1900 44 46 68 68 8 13 252 77 0 0 80
4/16 1800 46 48 62 60 11 18 221 77 0 0 80
4/16 1700 48 50 55 53 9 14 224 86 0 0 79
4/16 1600 49 54 48 43 6 11 220 112 0 0 79
4/16 1500 50 53 48 44 7 12 234 110 0 0 79
4/16 1400 47 52 48 47 6 12 213 106 0 0 78
4/16 1300 47 50 51 47 5 11 192 109 0 0 79
4/16 1200 45 51 51 45 4 8 205 108 0 0 78
4/16 1100 44 46 51 48 2 7 156 101 0 0 80
4/16 1000 43 46 48 55 2 7 210 105 0 0 80
4/16 900 41 43 48 59 6 9 266 84 0 0 81
4/16 800 41 42 47 56 4 8 280 75 0 0 82
4/16 700 39 40 51 58 8 11 251 74 0 0 82
4/16 600 39 39 53 63 8 11 235 70 0 0 82
4/16 500 38 37 56 66 8 10 226 68 0 0 82

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'