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9-30-2016
Northwest Avalanche Center
Washington Department of Transportation
Chinook Pass, Washington

Wind gages unheated and may rime
Precip gage may record condensation
Precipitation gage out, not heating
Total snow turned off for summer
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'

9/30 0 37 39 99 99 13 17 196 39 0 0
9/29 2300 38 40 99 99 14 19 200 40 0 0
9/29 2200 38 40 99 99 13 19 205 40 0 0
9/29 2100 38 41 99 98 12 17 194 41 0 0
9/29 2000 39 41 99 98 13 16 196 41 0 0
9/29 1900 38 42 99 95 13 18 206 42 0 0
9/29 1800 41 43 99 94 10 14 184 43 0 0
9/29 1700 42 44 99 95 9 12 184 46 0 0
9/29 1600 42 47 98 93 9 13 149 51 0 0
9/29 1500 46 49 93 90 8 12 141 59 0 0
9/29 1400 51 55 78 76 6 11 137 71 0 0
9/29 1300 51 56 75 71 7 15 125 75 0 0
9/29 1200 51 58 74 67 5 13 117 79 0 0
9/29 1100 53 57 69 69 6 14 64 66 0 0
9/29 1000 55 56 68 68 10 17 54 73 0 0
9/29 900 51 56 73 68 11 15 44 69 0 0
9/29 800 50 53 73 71 9 12 28 53 0 0
9/29 700 49 51 73 75 9 12 56 48 0 0
9/29 600 50 50 73 75 12 15 85 46 0 0
9/29 500 49 50 74 75 10 13 79 46 0 0

9/29 400 50 50 74 75 13 17 123 47 0 0
9/29 300 50 50 74 77 12 16 99 46 0 0
9/29 200 50 50 72 74 12 15 82 47 0 0
9/29 100 51 52 70 67 11 13 44 47 0 0
9/29 0 50 51 66 66 10 13 41 47 0 0
9/28 2300 51 51 67 70 10 13 46 47 0 0
9/28 2200 51 52 64 73 8 10 17 48 0 0
9/28 2100 50 52 75 71 5 7 356 47 0 0
9/28 2000 50 51 74 72 1 3 42 47 0 0
9/28 1900 51 50 72 77 4 14 183 48 0 0
9/28 1800 47 51 80 75 16 21 209 50 0 0
9/28 1700 50 53 72 70 14 22 184 54 0 0
9/28 1600 53 57 67 61 11 15 150 67 0 0
9/28 1500 56 59 56 53 8 13 130 61 0 0
9/28 1400 57 60 48 53 7 14 108 76 0 0
9/28 1300 56 61 57 54 6 11 139 84 0 0
9/28 1200 55 58 5 11 142 0
9/28 1100 54 59 62 59 3 7 122 68 0 0
9/28 1000 55 53 58 66 3 11 87 82 0 0
9/28 900 52 52 59 66 11 16 86 71 0 0
9/28 800 50 48 61 66 8 12 39 50 0 0
9/28 700 49 48 63 70 9 15 45 47 0 0
9/28 600 49 48 64 67 9 12 21 46 0 0
9/28 500 48 48 67 68 10 13 345 46 0 0

9/28 400 47 48 70 70 11 14 351 45 0 .04
9/28 300 47 48 70 70 11 14 359 46 0 .04
9/28 200 49 50 71 72 10 13 17 47 0 .04
9/28 100 49 50 71 71 11 14 357 47 0 .04
9/28 0 49 51 73 70 13 18 12 47 0 .04
9/27 2300 49 50 71 67 13 16 17 45 0 .04
9/27 2200 49 48 72 71 11 14 9 45 0 .04
9/27 2100 49 48 71 76 7 13 344 45 0 .04
9/27 2000 48 46 68 85 4 7 270 44 0 .04
9/27 1900 42 45 94 89 11 15 222 44 0 .04
9/27 1800 43 47 90 83 17 20 208 46 0 .04
9/27 1700 46 49 82 77 14 20 190 49 0 .04
9/27 1600 48 52 76 69 13 18 186 59 0 .04
9/27 1500 50 52 71 68 10 14 193 53 0 .04
9/27 1400 49 52 69 66 7 10 200 64 0 .04
9/27 1300 48 52 72 68 6 12 199 75 0 .04
9/27 1200 47 51 82 70 6 12 203 72 0 .04
9/27 1100 45 50 95 80 8 13 194 57 0 .04
9/27 1000 44 48 99 89 7 12 201 59 0 .04
9/27 900 43 45 99 97 10 14 190 49 0 .04
9/27 800 43 46 99 98 12 16 191 47 .01 .04
9/27 700 43 46 99 100 12 17 198 46 0 .03
9/27 600 43 46 99 100 9 13 186 46 .02 .03
9/27 500 44 46 100 100 8 14 144 47 .01 .01

9/27 400 45 47 99 100 6 10 139 48 0 0
9/27 300 46 48 99 100 10 14 145 49 0 0
9/27 200 46 49 99 98 10 15 130 49 0 0
9/27 100 47 49 98 98 13 22 129 50 0 0
9/27 0 50 50 87 98 15 22 115 51 0 0
9/26 2300 49 51 95 95 13 20 152 51 0 0
9/26 2200 49 51 98 92 16 22 130 50 0 0
9/26 2100 50 52 92 88 12 17 142 50 0 0
9/26 2000 52 53 87 84 9 19 187 52 0 0
9/26 1900 53 55 84 82 10 15 158 54 0 0
9/26 1800 56 58 73 74 15 23 146 57 0 0
9/26 1700 61 62 60 64 16 25 146 63 0 0
9/26 1600 64 67 55 52 20 33 141 79 0 0
9/26 1500 65 69 47 47 18 30 137 71 0 0
9/26 1400 67 71 45 43 12 24 143 86 0 0
9/26 1300 66 72 42 42 8 19 138 93 0 0
9/26 1200 67 69 42 44 9 19 79 89 0 0
9/26 1100 63 61 48 61 12 20 32 69 0 0
9/26 1000 60 58 49 59 13 20 17 80 0 0
9/26 900 58 56 54 67 16 21 21 73 0 0
9/26 800 56 54 53 70 18 24 15 53 0 0
9/26 700 56 52 52 75 14 20 19 51 0 0
9/26 600 56 50 52 76 12 19 19 49 0 0
9/26 500 56 51 51 75 14 22 53 49 0 0

9/26 400 58 51 51 74 15 20 80 49 0 0
9/26 300 58 52 49 73 13 22 83 50 0 0
9/26 200 59 54 45 67 15 23 78 50 0 0
9/26 100 55 53 60 72 14 19 354 51 0 0
9/26 0 57 55 56 66 16 21 5 52 0 0
9/25 2300 54 53 66 72 16 19 346 51 0 0
9/25 2200 54 54 68 71 18 21 348 51 0 0
9/25 2100 51 54 75 74 14 18 334 53 0 0
9/25 2000 53 56 74 71 11 13 332 54 0 0
9/25 1900 55 57 69 72 8 12 354 55 0 0
9/25 1800 58 58 54 75 7 10 122 56 0 0
9/25 1700 60 60 68 75 8 14 140 61 0 0
9/25 1600 59 63 69 66 8 14 121 75 0 0
9/25 1500 61 63 62 63 6 11 99 65 0 0
9/25 1400 61 64 67 62 6 16 113 78 0 0
9/25 1300 61 63 68 65 6 10 132 85 0 0
9/25 1200 56 61 82 70 5 9 141 82 0 0
9/25 1100 54 60 82 72 3 7 156 68 0 0
9/25 1000 53 58 80 72 4 10 169 81 0 0
9/25 900 52 56 84 77 3 7 195 74 0 0
9/25 800 50 51 92 82 4 6 213 53 0 0
9/25 700 49 50 92 82 6 13 185 51 0 0
9/25 600 49 48 91 72 10 16 206 48 0 0
9/25 500 50 47 91 63 12 18 216 46 0 0

9/25 400 49 46 86 61 13 18 208 44 0 0
9/25 300 49 45 88 62 15 21 213 43 0 0
9/25 200 48 43 87 75 15 20 194 42 0 0
9/25 100 47 44 92 72 18 25 196 43 0 0
9/25 0 47 44 90 69 15 21 205 44 0 0
9/24 2300 46 44 73 64 5 10 210 44 0 0
9/24 2200 47 44 76 80 4 9 206 44 0 0
9/24 2100 49 44 72 89 5 14 81 44 0 0
9/24 2000 42 44 86 89 6 12 58 44 0 0
9/24 1900 43 44 81 87 7 15 88 44 0 0
9/24 1800 42 44 90 86 10 17 100 45 0 0
9/24 1700 44 45 85 82 11 17 104 47 0 0
9/24 1600 45 47 76 77 13 22 98 57 0 0
9/24 1500 46 49 68 70 11 17 104 53 0 0
9/24 1400 47 49 51 75 12 17 102 60 0 0
9/24 1300 46 51 47 70 8 13 116 72 0 0
9/24 1200 44 49 72 80 6 11 163 69 0 0
9/24 1100 44 46 69 81 2 7 253 52 0 0
9/24 1000 41 41 83 83 6 9 332 47 0 0
9/24 900 41 40 78 85 4 11 335 50 0 0
9/24 800 39 36 92 98 8 19 244 39 0 0
9/24 700 33 37 99 86 15 20 215 36 0 0
9/24 600 33 35 99 94 7 13 233 33 0 0
9/24 500 32 34 100 100 7 14 219 34 0 0

9/24 400 33 35 100 100 8 13 180 35 0 .12
9/24 300 33 35 100 100 8 16 127 35 0 .12
9/24 200 32 35 100 100 10 16 159 35 0 .12
9/24 100 32 34 100 100 7 13 128 34 0 .12
9/24 0 32 35 100 100 7 12 142 35 0 .12
9/23 2300 32 35 100 100 13 22 155 35 0 .12
9/23 2200 33 36 100 100 19 30 133 36 0 .12
9/23 2100 34 37 99 100 19 28 124 37 0 .12
9/23 2000 36 38 99 100 13 29 124 39 .01 .12
9/23 1900 36 39 99 100 16 25 122 39 .01 .11
9/23 1800 37 39 99 100 17 24 93 39 0 .1
9/23 1700 37 39 99 99 18 26 99 40 .02 .1
9/23 1600 37 39 99 100 17 24 100 41 0 .08
9/23 1500 36 38 99 99 18 25 91 41 .01 .08
9/23 1400 36 39 99 100 23 31 85 42 0 .07
9/23 1300 35 38 98 99 22 31 105 43 .01 .07
9/23 1200 34 37 99 100 19 32 88 40 .02 .06
9/23 1100 34 37 99 100 22 28 76 40 .02 .04
9/23 1000 32 35 100 100 21 32 84 37 .01 .02
9/23 900 32 34 100 100 18 25 63 35 .01 .01
9/23 800 32 35 99 98 16 27 82 36 0 0
9/23 700 32 35 100 99 12 22 87 35 0 0
9/23 600 32 35 100 100 14 21 98 35 0 0
9/23 500 33 35 100 100 13 20 118 36 0 0

9/23 400 33 36 99 100 14 27 139 36 0 0
9/23 300 34 36 99 100 12 18 82 36 0 0
9/23 200 34 36 99 100 12 17 95 36 0 0
9/23 100 34 37 100 100 12 21 123 37 0 0
9/23 0 35 38 99 100 10 17 121 38 0 0
9/22 2300 35 38 99 100 7 13 127 37 0 0
9/22 2200 35 38 99 99 8 12 177 37 0 0
9/22 2100 36 38 99 99 8 12 173 39 0 0
9/22 2000 35 39 98 99 9 14 189 39 0 0
9/22 1900 36 40 98 100 11 15 180 40 0 0
9/22 1800 37 40 98 98 13 18 188 40 0 0
9/22 1700 39 41 92 96 12 18 175 44 0 0
9/22 1600 40 41 91 96 10 16 165 44 0 0
9/22 1500 41 43 84 92 10 15 182 48 0 0
9/22 1400 42 43 77 83 11 18 191 55 0 0
9/22 1300 44 48 77 65 11 16 189 65 0 0
9/22 1200 41 46 81 69 10 16 188 60 0 0
9/22 1100 40 44 81 75 8 13 184 51 0 0
9/22 1000 40 43 79 78 9 14 182 54 0 0
9/22 900 39 42 82 76 9 16 195 52 0 0
9/22 800 37 40 86 78 8 12 237 41 0 0
9/22 700 38 40 79 77 9 15 234 40 0 0
9/22 600 35 40 88 77 11 14 228 38 0 0
9/22 500 37 41 79 71 12 15 217 39 0 0

9/22 400 38 41 72 70 9 11 207 37 0 .01
9/22 300 38 40 77 76 7 12 224 36 0 .01
9/22 200 38 39 71 78 4 9 234 38 0 .01
9/22 100 37 38 78 90 11 18 312 37 0 .01
9/22 0 37 40 90 85 13 19 204 38 0 .01
9/21 2300 36 40 93 85 15 20 206 39 0 .01
9/21 2200 36 40 95 86 16 19 201 38 0 .01
9/21 2100 36 40 88 81 15 18 199 38 0 .01
9/21 2000 37 40 79 72 15 19 208 39 0 .01
9/21 1900 36 40 83 73 16 22 182 39 0 .01
9/21 1800 36 40 93 80 13 18 158 40 0 .01
9/21 1700 37 41 91 83 13 21 177 42 0 .01
9/21 1600 40 44 90 78 2 6 208 46 .01 .01
9/21 1500 42 44 72 69 3 9 320 46 0 0
9/21 1400 50 47 58 46 2 7 342 62 0 0
9/21 1300 47 45 52 48 5 10 336 55 0 0
9/21 1200 49 46 48 49 7 11 339 60 0 0
9/21 1100 47 44 53 54 7 10 342 49 0 0
9/21 1000 47 44 57 61 7 10 340 59 0 0
9/21 900 45 42 55 60 7 10 337 51 0 0
9/21 800 44 43 62 62 5 8 346 42 0 0
9/21 700 41 41 61 64 7 10 324 39 0 0
9/21 600 37 39 68 68 9 11 319 36 0 0
9/21 500 37 39 70 70 9 10 319 35 0 0

9/21 400 37 39 73 73 9 11 313 36 0 .03
9/21 300 38 39 69 71 9 11 315 36 0 .03
9/21 200 38 40 69 72 8 10 314 36 0 .03
9/21 100 38 38 70 80 6 8 319 35 0 .03
9/21 0 38 39 70 79 5 9 316 35 0 .03
9/20 2300 37 37 79 87 5 8 303 35 0 .03
9/20 2200 37 38 81 86 4 6 242 35 0 .03
9/20 2100 35 38 91 87 5 7 317 35 0 .03
9/20 2000 37 39 81 84 5 8 288 35 0 .03
9/20 1900 34 38 98 92 5 10 251 37 .01 .03
9/20 1800 37 38 94 97 4 9 312 39 .02 .02
9/20 1700 38 40 90 88 4 9 325 42 0 0
9/20 1600 42 42 79 76 4 9 178 48 0 0
9/20 1500 43 45 82 73 5 11 171 53 0 0
9/20 1400 47 49 63 48 8 16 126 68 0 0
9/20 1300 45 49 46 51 6 14 112 72 0 0
9/20 1200 44 47 63 61 5 11 100 70 0 0
9/20 1100 45 45 65 65 6 10 18 55 0 0
9/20 1000 42 41 77 77 7 12 356 69 0 0
9/20 900 40 39 70 73 9 12 353 46 0 0
9/20 800 37 38 71 76 10 12 334 36 0 0
9/20 700 36 36 73 79 11 13 325 33 0 0
9/20 600 34 35 64 77 7 10 319 31 0 0
9/20 500 34 33 75 93 4 8 267 31 0 0

9/20 400 35 33 70 95 6 8 266 31 0 .63
9/20 300 33 33 93 99 7 9 301 31 0 .63
9/20 200 31 33 99 99 4 8 298 31 0 .63
9/20 100 32 33 100 100 4 9 341 31 0 .63
9/20 0 32 34 100 100 4 7 158 34 0 .63
9/19 2300 32 34 99 100 9 12 194 33 .01 .63
9/19 2200 32 34 100 100 7 11 177 33 0 .62
9/19 2100 33 35 99 100 0 3 130 34 0 .62
9/19 2000 33 36 99 100 1 4 203 36 0 .62
9/19 1900 33 36 99 100 6 9 173 36 0 .62
9/19 1800 34 37 99 99 3 9 167 37 0 .62
9/19 1700 35 38 99 99 2 8 14 38 .01 .62
9/19 1600 34 36 100 98 3 9 226 37 .16 .61
9/19 1500 35 39 99 99 7 17 177 41 .03 .45
9/19 1400 34 38 99 98 13 33 172 40 .03 .42
9/19 1300 36 40 99 100 13 27 144 44 .02 .39
9/19 1200 35 39 99 99 14 26 121 42 .02 .37
9/19 1100 35 99 11 21 136 .35
9/19 1000 35 38 99 100 7 19 113 39 .06 .35
9/19 900 35 37 99 100 14 27 92 38 .1 .29
9/19 800 34 37 100 100 19 27 71 37 .11 .19
9/19 700 34 37 99 100 15 24 76 37 .07 .08
9/19 600 34 37 100 100 10 23 79 37 .01 .01
9/19 500 35 37 99 100 11 19 87 37 0 0

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'