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4-30-2017
Northwest Avalanche Center
Washington Department of Transportation
Washington Pass, Washington

Wind gages unheated and may rime
MM/DD Hour
PST
Temp
F
6680'
Temp
F
5450'
RH
%
6680'
RH
%
5450'
Wind
Avg
6680'
Wind
Max
6680'
Wind
Dir
6680'
Equip
Temp
5450'
Hour
Prec.
5450'
Total
Prec.
5450'
Total
Snow
5450'

4/30 2000 24 28 94 100 5 11 52 55 0 .11 98
4/30 1900 24 28 91 100 5 12 58 55 0 .11 97
4/30 1800 25 29 92 100 4 8 305 53 0 .11 97
4/30 1700 26 30 89 100 5 14 277 55 .01 .11 97
4/30 1600 27 32 92 100 5 11 271 63 .01 .1 97
4/30 1500 28 34 85 100 7 12 260 65 0 .09 98
4/30 1400 28 35 76 100 8 16 281 65 0 .09 99
4/30 1300 28 35 78 100 6 11 304 67 0 .09 99
4/30 1200 28 34 81 100 6 12 228 69 0 .09 98
4/30 1100 28 36 86 100 8 15 235 67 0 .09 98
4/30 1000 27 34 92 100 4 10 255 68 0 .09 98
4/30 900 29 32 97 100 4 11 260 61 0 .09 99
4/30 800 28 31 99 100 5 11 248 60 .01 .09 99
4/30 700 26 29 98 100 7 13 257 57 0 .08 99
4/30 600 26 29 100 100 7 10 259 58 0 .08 99
4/30 500 26 29 100 100 9 12 246 56 0 .08 99

4/30 400 27 29 99 100 8 12 257 56 .01 .15 99
4/30 300 27 29 99 100 8 11 249 56 .03 .14 99
4/30 200 28 30 100 100 8 11 255 58 .01 .11 99
4/30 100 28 30 99 100 7 11 248 59 0 .1 98
4/30 0 28 30 100 100 10 14 235 58 .01 .1 99
4/29 2300 29 30 100 100 11 16 235 58 .01 .09 98
4/29 2200 29 30 100 100 12 15 235 58 0 .08 98
4/29 2100 29 30 100 100 10 14 237 59 .01 .08 98
4/29 2000 29 31 100 100 16 22 231 59 .03 .07 98
4/29 1900 28 31 100 100 18 22 230 58 .02 .04 98
4/29 1800 28 31 99 100 20 28 226 62 .01 .02 98
4/29 1700 27 32 98 100 16 19 225 63 0 .01 98
4/29 1600 27 34 99 100 13 17 228 64 0 .01 98
4/29 1500 30 38 79 100 13 19 224 71 0 .01 97
4/29 1400 32 39 62 100 12 19 236 70 0 .01 97
4/29 1300 32 39 50 100 14 22 229 70 0 .01 98
4/29 1200 35 42 39 100 10 17 230 76 0 .01 97
4/29 1100 36 43 35 100 8 11 234 79 0 .01 98
4/29 1000 35 41 34 100 9 13 231 76 .01 .01 97
4/29 900 33 36 33 100 9 11 230 65 0 0 98
4/29 800 31 32 38 100 6 8 238 62 0 0 98
4/29 700 30 26 32 87 3 6 242 55 0 0 98
4/29 600 32 23 25 86 3 9 307 51 0 0 98
4/29 500 24 22 56 88 4 11 236 51 0 0 98

4/29 400 27 22 37 88 3 10 322 52 0 .01 98
4/29 300 27 23 38 87 6 9 261 52 0 .01 98
4/29 200 25 22 65 87 6 10 247 51 0 .01 98
4/29 100 24 22 72 91 4 10 276 52 .01 .01 98
4/29 0 26 22 57 97 6 11 299 53 0 0 98
4/28 2300 24 23 85 100 5 9 277 53 0 0 98
4/28 2200 25 24 94 100 5 8 259 54 0 0 98
4/28 2100 26 25 84 100 5 9 269 56 0 0 98
4/28 2000 27 27 80 100 3 8 53 57 0 0 98
4/28 1900 28 32 78 100 3 8 276 59 0 0 98
4/28 1800 29 35 71 100 5 8 234 66 0 0 98
4/28 1700 33 36 65 100 4 9 214 68 0 0 98
4/28 1600 32 37 68 100 6 10 223 66 0 0 99
4/28 1500 35 41 59 100 7 12 235 78 0 0 98
4/28 1400 38 42 56 100 5 9 219 83 0 0 98
4/28 1300 35 43 61 100 6 16 251 78 0 0 98
4/28 1200 34 44 66 100 5 13 201 82 0 0 98
4/28 1100 33 37 65 100 5 12 211 73 0 0 99
4/28 1000 32 35 70 100 5 11 43 68 0 0 99
4/28 900 32 35 68 100 3 6 100 65 0 0 99
4/28 800 27 32 83 100 3 9 132 60 0 0 99
4/28 700 25 30 88 100 5 9 218 55 0 0 99
4/28 600 24 27 95 100 6 11 228 55 0 0 99
4/28 500 23 26 96 100 4 8 225 57 0 0 99

4/28 400 22 26 97 100 5 9 221 57 0 .01 99
4/28 300 22 26 95 100 5 10 223 54 0 .01 100
4/28 200 22 26 93 100 5 11 221 53 0 .01 100
4/28 100 22 27 92 100 3 7 214 54 0 .01 99
4/28 0 22 27 91 100 3 8 241 55 0 .01 99
4/27 2300 23 27 86 100 2 7 233 53 0 .01 100
4/27 2200 23 27 87 100 3 8 218 52 0 .01 100
4/27 2100 23 27 84 100 4 8 269 53 0 .01 100
4/27 2000 24 28 87 100 2 6 57 55 .01 .01 100
4/27 1900 24 29 86 100 2 8 337 55 0 0 100
4/27 1800 25 30 81 100 4 13 290 57 0 0 100
4/27 1700 27 32 79 100 3 8 259 60 0 0 100
4/27 1600 28 33 76 100 4 11 212 63 0 0 100
4/27 1500 31 35 69 100 5 13 294 64 0 0 99
4/27 1400 30 35 69 100 7 13 258 67 0 0 99
4/27 1300 29 36 70 100 6 12 295 69 0 0 99
4/27 1200 29 36 69 100 7 12 278 67 0 0 99
4/27 1100 29 35 74 100 5 9 250 67 0 0 99
4/27 1000 27 33 77 100 6 10 264 65 0 0 100
4/27 900 25 31 80 100 7 15 264 62 0 0 100
4/27 800 25 29 79 100 6 12 243 57 0 0 100
4/27 700 22 27 88 97 4 7 276 55 0 0 100
4/27 600 21 25 91 94 5 11 294 52 0 0 100
4/27 500 21 24 97 94 5 12 263 51 0 0 100

4/27 400 20 24 97 94 6 11 233 50 0 .06 100
4/27 300 21 24 94 94 6 12 253 50 0 .06 100
4/27 200 20 24 91 94 3 11 300 50 0 .06 100
4/27 100 19 23 90 95 4 11 278 50 0 .06 100
4/27 0 19 24 89 99 7 14 240 50 0 .06 100
4/26 2300 20 25 89 100 3 5 270 52 0 .06 100
4/26 2200 21 26 93 100 4 10 277 51 0 .06 100
4/26 2100 22 27 92 100 10 20 252 49 0 .06 100
4/26 2000 22 27 96 100 4 12 269 51 0 .06 100
4/26 1900 23 27 99 100 5 10 277 55 .01 .06 99
4/26 1800 25 29 96 100 6 13 237 58 0 .05 100
4/26 1700 26 32 91 100 5 9 263 62 0 .05 100
4/26 1600 28 35 91 100 8 15 250 68 0 .05 99
4/26 1500 31 39 95 100 6 14 236 74 0 .05 100
4/26 1400 29 37 98 100 7 14 229 68 .02 .05 99
4/26 1300 29 34 99 100 7 12 227 64 .01 .03 100
4/26 1200 30 36 97 100 7 9 220 71 .01 .02 100
4/26 1100 28 34 96 100 9 13 234 67 .01 .01 100
4/26 1000 28 35 91 100 7 10 227 68 0 0 100
4/26 900 27 32 92 100 9 12 231 65 0 0 100
4/26 800 27 30 93 100 11 14 241 59 0 0 100
4/26 700 24 28 98 100 11 15 238 58 0 0 100
4/26 600 24 27 99 100 13 17 232 56 0 0 100
4/26 500 26 28 100 100 10 15 245 58 0 0 100

4/26 400 27 29 100 100 8 11 243 58 .01 .06 100
4/26 300 28 29 100 100 9 13 235 59 .02 .05 100
4/26 200 28 29 99 100 8 10 231 59 .01 .03 100
4/26 100 28 28 98 100 10 13 232 58 0 .02 100
4/26 0 28 29 96 100 8 10 233 59 0 .02 100
4/25 2300 26 30 100 100 11 14 225 61 .01 .02 100
4/25 2200 29 32 78 100 9 12 221 62 0 .01 100
4/25 2100 30 31 72 100 8 15 226 63 0 .01 100
4/25 2000 30 32 75 100 8 12 223 65 0 .01 100
4/25 1900 31 35 77 100 9 16 221 68 0 .01 100
4/25 1800 32 38 73 100 7 9 230 69 0 .01 100
4/25 1700 34 39 66 100 8 12 227 73 0 .01 100
4/25 1600 34 40 66 100 7 11 233 76 0 .01 100
4/25 1500 37 43 59 100 8 13 232 84 0 .01 100
4/25 1400 39 45 56 100 7 12 218 85 0 .01 100
4/25 1300 37 44 63 100 9 14 223 87 0 .01 100
4/25 1200 34 45 68 100 9 13 195 85 0 .01 100
4/25 1100 34 42 72 100 9 14 155 82 0 .01 100
4/25 1000 33 36 77 100 7 11 231 71 0 .01 101
4/25 900 29 36 94 100 5 9 234 69 0 .01 101
4/25 800 27 33 99 100 5 7 229 67 .01 .01 101
4/25 700 27 31 99 98 5 9 217 65 0 0 101
4/25 600 25 29 98 99 6 10 248 61 0 0 101
4/25 500 25 28 100 100 7 10 254 59 0 0 101

4/25 400 26 28 100 100 6 10 238 60 0 .02 101
4/25 300 27 29 100 100 8 11 229 59 0 .02 101
4/25 200 27 29 100 100 5 10 259 59 0 .02 101
4/25 100 27 29 95 100 7 11 247 60 0 .02 101
4/25 0 28 29 97 100 4 7 261 59 0 .02 101
4/24 2300 29 30 91 100 3 7 240 61 .01 .02 101
4/24 2200 30 30 88 100 2 8 227 61 0 .01 101
4/24 2100 30 31 89 100 2 6 279 62 0 .01 101
4/24 2000 30 32 87 100 1 6 168 62 0 .01 101
4/24 1900 30 34 86 100 2 7 78 64 0 .01 101
4/24 1800 32 38 82 100 4 9 228 68 0 .01 101
4/24 1700 31 36 88 100 12 16 243 70 0 .01 101
4/24 1600 31 35 90 100 8 15 223 68 0 .01 101
4/24 1500 35 42 65 100 4 10 184 74 0 .01 101
4/24 1400 36 45 55 100 3 8 212 88 0 .01 101
4/24 1300 37 44 53 100 4 10 52 77 0 .01 101
4/24 1200 34 43 55 100 4 7 70 77 0 .01 102
4/24 1100 35 39 59 100 2 6 92 72 0 .01 101
4/24 1000 35 38 56 100 2 5 87 73 0 .01 101
4/24 900 36 35 61 100 2 4 104 65 0 .01 102
4/24 800 33 28 71 90 1 3 93 60 0 .01 102
4/24 700 29 24 80 87 0 4 5 57 .01 .01 102
4/24 600 24 23 91 88 2 5 20 54 0 0 102
4/24 500 24 23 97 90 6 8 251 57 0 0 102

4/24 400 24 24 97 94 4 6 249 58 0 .01 102
4/24 300 24 25 97 97 7 9 235 56 0 .01 102
4/24 200 24 27 99 100 8 11 243 59 0 .01 102
4/24 100 24 28 100 100 8 11 241 60 0 .01 102
4/24 0 25 28 98 100 11 15 234 60 0 .01 102
4/23 2300 25 28 99 100 12 16 234 60 0 .01 102
4/23 2200 26 29 100 100 12 15 227 60 0 .01 102
4/23 2100 26 29 100 100 10 11 237 61 0 .01 102
4/23 2000 26 29 100 100 10 12 231 61 .01 .01 102
4/23 1900 28 32 98 100 10 14 226 64 0 0 102
4/23 1800 31 36 77 100 8 11 230 68 0 0 102
4/23 1700 33 37 69 100 8 12 239 71 0 0 102
4/23 1600 34 40 64 100 8 13 238 77 0 0 102
4/23 1500 36 41 57 100 7 11 225 81 0 0 102
4/23 1400 35 42 58 100 9 14 227 80 0 0 102
4/23 1300 34 42 55 100 9 13 235 77 0 0 102
4/23 1200 36 42 57 100 8 12 231 84 0 0 102
4/23 1100 35 43 57 100 10 13 222 82 0 0 102
4/23 1000 32 40 71 100 9 14 224 76 0 0 102
4/23 900 31 33 73 96 7 9 226 66 0 0 102
4/23 800 28 29 84 90 6 8 234 62 0 0 103
4/23 700 26 26 84 84 8 12 247 61 0 0 102
4/23 600 25 22 84 83 5 8 242 57 0 0 103
4/23 500 25 22 85 87 5 9 251 55 0 0 103

4/23 400 25 23 87 90 6 11 250 55 0 .06 103
4/23 300 24 25 95 93 10 13 235 55 0 .06 103
4/23 200 25 27 97 95 7 13 252 57 .01 .06 103
4/23 100 26 27 98 98 10 13 237 58 0 .05 103
4/23 0 27 28 96 99 10 14 234 59 0 .05 103
4/22 2300 27 28 98 100 10 13 233 60 0 .05 103
4/22 2200 28 28 93 100 9 11 237 59 0 .05 103
4/22 2100 28 30 98 100 10 13 231 61 0 .05 103
4/22 2000 28 31 99 100 9 13 230 63 0 .05 103
4/22 1900 28 31 98 100 9 12 233 60 0 .05 103
4/22 1800 29 33 98 100 13 21 235 64 0 .05 103
4/22 1700 30 34 100 100 10 16 215 64 .01 .05 103
4/22 1600 31 37 94 100 6 9 189 70 0 .04 103
4/22 1500 33 39 87 100 6 14 214 74 0 .04 103
4/22 1400 30 35 91 100 11 16 188 70 .01 .04 103
4/22 1300 30 35 96 100 5 15 202 68 .02 .03 103
4/22 1200 30 34 95 100 9 22 181 66 .01 .01 103
4/22 1100 36 41 63 100 9 17 17 73 0 0 102
4/22 1000 36 41 59 100 8 19 41 72 0 0 102
4/22 900 34 39 60 100 9 18 170 67 0 0 102
4/22 800 32 35 69 98 14 25 70 64 0 0 102
4/22 700 30 32 66 100 10 21 112 60 0 0 103
4/22 600 30 30 72 100 6 14 28 58 0 0 103
4/22 500 29 29 83 100 7 14 166 57 0 0 103

4/22 400 29 31 86 100 11 19 183 59 0 .01 103
4/22 300 30 32 82 100 10 26 177 59 0 .01 103
4/22 200 30 32 78 100 11 27 43 58 .01 .01 103
4/22 100 30 34 76 100 14 25 26 58 0 0 103
4/22 0 31 34 69 100 10 22 39 59 0 0 103
4/21 2300 31 33 70 100 10 22 189 59 0 0 103
4/21 2200 32 34 72 100 9 21 176 58 0 0 103
4/21 2100 32 35 71 100 6 18 205 59 0 0 103
4/21 2000 32 35 69 100 9 22 181 59 0 0 103
4/21 1900 33 36 68 100 4 8 77 63 0 0 103
4/21 1800 36 38 59 100 4 12 72 68 0 0 103
4/21 1700 39 42 56 100 8 14 15 75 0 0 103
4/21 1600 43 45 43 100 4 9 47 82 0 0 104
4/21 1500 41 47 47 100 8 14 33 90 0 0 103
4/21 1400 39 48 50 100 8 14 36 90 0 0 103
4/21 1300 37 48 53 100 8 16 89 89 0 0 104
4/21 1200 39 48 49 100 5 10 102 85 0 0 104
4/21 1100 35 44 56 100 4 14 87 77 0 0 105
4/21 1000 36 41 59 100 4 10 70 69 0 0 104
4/21 900 31 33 67 98 4 9 27 58 0 0 105
4/21 800 32 27 72 88 3 8 27 56 0 0 105
4/21 700 29 23 77 83 3 8 40 54 0 0 105
4/21 600 27 21 81 86 5 8 20 51 0 0 105
4/21 500 25 22 90 92 4 11 4 53 0 0 105

4/21 400 25 24 90 97 3 6 306 53 0 .02 105
4/21 300 25 26 90 99 4 10 210 53 0 .02 105
4/21 200 25 27 92 100 4 11 28 56 0 .02 105
4/21 100 26 28 90 100 2 6 126 56 0 .02 105
4/21 0 26 28 90 100 3 9 236 56 0 .02 105
4/20 2300 26 28 92 100 4 6 238 57 .01 .02 105
4/20 2200 26 29 89 100 3 8 114 56 0 .01 105
4/20 2100 26 29 90 100 4 13 51 59 0 .01 105
4/20 2000 27 30 100 100 2 5 276 59 0 .01 105
4/20 1900 27 30 95 100 3 8 268 59 0 .01 106
4/20 1800 29 32 88 100 4 8 203 63 0 .01 106
4/20 1700 30 34 87 100 5 10 233 66 0 .01 106
4/20 1600 29 36 88 100 7 13 229 68 0 .01 105
4/20 1500 30 38 89 100 6 10 240 76 0 .01 105
4/20 1400 31 37 84 100 6 12 228 73 0 .01 106
4/20 1300 32 38 84 100 6 9 209 76 0 .01 106
4/20 1200 32 38 85 100 5 8 230 76 0 .01 107
4/20 1100 29 37 91 100 5 17 239 72 .01 .01 107
4/20 1000 30 35 90 100 5 10 235 71 0 0 107
4/20 900 27 30 96 100 3 6 255 64 0 0 107
4/20 800 26 29 96 100 1 4 260 62 0 0 107
4/20 700 27 30 98 98 2 4 254 61 0 0 107
4/20 600 26 28 99 97 2 5 285 59 0 0 107
4/20 500 25 27 100 98 5 8 252 55 0 0 107

MM/DD Hour
PST
Temp
F
6680'
Temp
F
5450'
RH
%
6680'
RH
%
5450'
Wind
Avg
6680'
Wind
Max
6680'
Wind
Dir
6680'
Equip
Temp
5450'
Hour
Prec.
5450'
Total
Prec.
5450'
Total
Snow
5450'