menu
4-30-2017
Northwest Avalanche Center
White Pass Ski Area, Washington
MM/DD Hour
PST
Temp
F
5800'
Temp
F
4470'
RH
%
5800'
RH
%
4470'
Wind
Min
5970'
Wind
Avg
5970'
Wind
Max
5970'
Wind
Dir
5970'
Hour
Prec.
5800'
Total
Prec.
5800'
Total
Snow
5800'

4/30 2000 27 33 98 91 20 29 39 256 0 .45 134
4/30 1900 27 33 98 90 23 34 45 248 0 .45 134
4/30 1800 28 34 97 87 16 27 39 256 .04 .45 134
4/30 1700 29 34 97 89 13 26 41 250 .06 .41 134
4/30 1600 29 34 97 89 16 28 46 257 .02 .35 134
4/30 1500 29 35 96 86 19 33 51 266 .02 .33 133
4/30 1400 31 37 94 80 22 37 55 265 .01 .31 133
4/30 1300 29 35 94 78 25 40 56 266 .01 .3 133
4/30 1200 28 33 95 88 22 38 52 270 0 .29 133
4/30 1100 29 33 95 89 17 38 58 270 .03 .29 133
4/30 1000 29 35 95 84 12 23 37 273 .01 .26 133
4/30 900 29 35 94 79 13 28 46 266 0 .25 132
4/30 800 29 34 93 87 22 35 52 265 .01 .25 133
4/30 700 29 34 98 86 20 34 54 271 0 .24 133
4/30 600 29 35 98 85 20 32 56 271 0 .24 133
4/30 500 30 35 99 86 28 47 75 273 0 .24 133

4/30 400 32 37 100 87 24 45 68 272 .01 .32 133
4/30 300 32 37 100 92 22 45 67 270 .04 .31 133
4/30 200 32 38 100 91 32 50 75 266 .02 .27 133
4/30 100 33 38 100 91 30 47 66 270 .03 .25 134
4/30 0 32 38 99 91 28 42 65 263 .03 .22 134
4/29 2300 33 38 99 91 20 38 57 260 .03 .19 134
4/29 2200 33 36 98 92 20 38 60 248 .03 .16 134
4/29 2100 32 35 98 91 16 30 52 253 .05 .13 134
4/29 2000 32 35 98 89 12 22 40 256 .05 .08 133
4/29 1900 32 36 98 87 11 20 32 257 .02 .03 133
4/29 1800 32 37 98 84 16 27 40 257 .01 .01 133
4/29 1700 33 42 91 64 13 28 42 262 0 0 133
4/29 1600 36 44 84 56 11 19 30 264 0 0 133
4/29 1500 39 46 73 39 13 21 33 259 0 0 132
4/29 1400 38 45 74 48 13 23 34 262 0 0 133
4/29 1300 37 44 83 55 6 14 28 271 0 0 132
4/29 1200 38 44 78 52 4 8 14 257 0 0 132
4/29 1100 38 43 78 47 8 13 18 266 0 0 132
4/29 1000 37 42 71 50 10 15 24 266 0 0 132
4/29 900 35 38 69 70 9 14 20 268 0 0 133
4/29 800 37 34 72 82 0 3 12 284 0 0 133
4/29 700 28 30 84 96 0 1 4 327 0 0 133
4/29 600 25 27 85 96 1 3 6 292 0 0 134
4/29 500 24 28 89 96 0 4 6 270 0 0 134

4/29 400 24 28 91 96 0 2 5 298 0 .01 134
4/29 300 24 28 94 95 1 5 11 264 0 .01 134
4/29 200 24 28 95 92 4 7 9 269 0 .01 134
4/29 100 24 29 95 91 3 5 8 291 0 .01 134
4/29 0 25 30 96 91 4 10 18 273 0 .01 134
4/28 2300 27 30 97 90 10 13 16 274 0 .01 134
4/28 2200 27 32 97 89 8 13 16 268 0 .01 134
4/28 2100 29 34 98 86 11 16 19 263 0 .01 134
4/28 2000 29 35 98 86 14 18 23 263 0 .01 134
4/28 1900 29 36 98 83 12 18 25 263 0 .01 134
4/28 1800 31 38 96 78 11 18 25 264 0 .01 134
4/28 1700 32 39 94 73 11 17 26 265 0 .01 134
4/28 1600 34 40 93 70 8 16 28 263 0 .01 134
4/28 1500 36 40 87 68 14 20 26 263 0 .01 134
4/28 1400 35 42 91 62 16 21 28 265 0 .01 134
4/28 1300 33 38 92 72 12 19 26 266 0 .01 134
4/28 1200 35 39 89 70 12 19 24 264 0 .01 134
4/28 1100 35 38 87 71 9 15 23 267 0 .01 134
4/28 1000 34 37 87 71 3 7 13 260 0 .01 134
4/28 900 30 35 89 75 2 10 17 275 0 .01 135
4/28 800 28 32 91 84 4 9 13 272 0 .01 135
4/28 700 26 32 93 79 5 14 23 288 0 .01 136
4/28 600 23 29 96 92 9 18 29 276 .01 .01 136
4/28 500 23 29 96 91 14 22 32 277 0 0 136

4/28 400 22 28 96 92 12 20 29 274 0 .17 136
4/28 300 22 29 96 83 11 18 27 289 0 .17 136
4/28 200 23 29 96 80 13 19 26 288 0 .17 136
4/28 100 24 30 96 87 14 20 28 287 .01 .17 136
4/28 0 25 30 97 91 13 21 30 266 .02 .16 136
4/27 2300 25 31 97 90 17 27 37 252 0 .14 136
4/27 2200 25 31 97 89 20 30 42 259 0 .14 136
4/27 2100 25 31 97 91 20 30 41 248 0 .14 136
4/27 2000 25 31 97 91 19 28 42 248 .01 .14 135
4/27 1900 26 32 98 88 23 36 51 259 0 .13 135
4/27 1800 26 32 97 87 23 33 49 251 0 .13 136
4/27 1700 28 36 94 76 23 38 54 256 0 .13 135
4/27 1600 29 39 92 67 30 43 62 257 0 .13 136
4/27 1500 30 37 90 70 26 39 54 260 0 .13 136
4/27 1400 32 37 90 69 26 41 54 263 0 .13 136
4/27 1300 31 36 91 71 25 40 53 267 0 .13 136
4/27 1200 31 34 93 75 20 38 54 266 0 .13 136
4/27 1100 30 34 94 72 13 31 44 263 0 .13 136
4/27 1000 28 32 96 80 20 35 54 264 .09 .13 137
4/27 900 26 31 96 80 25 38 56 267 .01 .04 137
4/27 800 24 30 96 85 23 40 64 268 0 .03 137
4/27 700 23 28 97 85 24 37 61 266 .01 .03 137
4/27 600 22 28 96 86 20 37 61 269 .01 .02 137
4/27 500 22 28 97 86 25 40 59 267 .01 .01 137

4/27 400 23 28 97 89 33 47 75 267 .01 .7 137
4/27 300 22 28 97 88 28 48 74 266 0 .69 137
4/27 200 22 28 97 87 30 50 73 268 .02 .69 137
4/27 100 23 28 97 91 32 51 75 269 .04 .67 137
4/27 0 24 29 97 92 35 50 73 266 .02 .63 136
4/26 2300 23 29 97 89 38 55 78 267 .01 .61 137
4/26 2200 24 29 97 89 26 50 71 266 .01 .6 136
4/26 2100 25 31 98 90 28 49 68 266 .02 .59 136
4/26 2000 26 31 98 90 28 43 59 265 .03 .57 136
4/26 1900 26 32 98 91 20 42 70 267 .02 .54 136
4/26 1800 27 33 98 87 27 41 59 269 .01 .52 136
4/26 1700 28 33 98 89 20 37 64 271 .05 .51 135
4/26 1600 28 34 97 89 20 33 49 266 .04 .46 135
4/26 1500 28 33 98 91 20 37 61 266 .04 .42 135
4/26 1400 31 36 96 86 19 33 48 264 .05 .38 134
4/26 1300 32 37 95 86 17 25 36 263 .01 .33 133
4/26 1200 30 36 96 78 20 34 55 272 .06 .32 134
4/26 1100 30 35 97 86 18 30 47 271 .08 .26 134
4/26 1000 32 38 97 82 22 36 51 270 .04 .18 134
4/26 900 30 35 98 86 18 31 54 270 .03 .14 134
4/26 800 28 33 98 91 18 30 47 267 .04 .11 133
4/26 700 28 33 98 91 28 44 73 261 .02 .07 133
4/26 600 28 33 98 89 22 43 59 268 .03 .05 133
4/26 500 28 34 99 89 25 43 65 271 .02 .02 133

4/26 400 29 35 99 89 25 41 60 271 .02 .28 133
4/26 300 29 35 99 89 25 45 72 266 0 .26 132
4/26 200 29 35 99 87 30 54 80 266 .03 .26 133
4/26 100 32 37 100 91 24 38 64 265 .06 .23 133
4/26 0 32 37 99 93 23 37 54 260 .02 .17 132
4/25 2300 32 36 99 94 20 38 62 254 .01 .15 132
4/25 2200 32 35 98 92 15 31 50 253 .02 .14 132
4/25 2100 32 35 98 90 13 26 47 247 .02 .12 132
4/25 2000 32 34 98 90 7 19 40 244 .04 .1 132
4/25 1900 32 35 97 89 6 15 25 236 .01 .06 131
4/25 1800 32 37 94 87 0 5 19 191 .03 .05 131
4/25 1700 34 39 89 80 0 2 5 219 .01 .02 130
4/25 1600 32 39 93 75 0 4 8 278 0 .01 130
4/25 1500 33 39 87 75 6 12 17 267 .01 .01 130
4/25 1400 32 38 95 77 7 12 19 271 0 0 130
4/25 1300 33 40 89 68 4 9 16 277 0 0 130
4/25 1200 32 39 92 71 4 12 21 274 0 0 131
4/25 1100 33 39 93 77 1 10 20 259 0 0 131
4/25 1000 36 38 86 78 0 4 10 184 0 0 130
4/25 900 33 37 90 77 0 6 18 247 0 0 131
4/25 800 30 35 94 83 7 16 29 271 0 0 131
4/25 700 28 33 96 91 16 22 31 270 0 0 131
4/25 600 27 32 97 92 6 15 23 264 0 0 131
4/25 500 27 32 98 92 9 15 20 266 0 0 131

4/25 400 27 33 98 91 7 15 24 269 0 .27 131
4/25 300 27 32 98 92 14 22 30 270 0 .27 131
4/25 200 28 33 98 93 13 18 23 267 0 .27 131
4/25 100 28 34 98 92 16 22 30 267 .01 .27 131
4/25 0 28 33 99 93 15 21 28 268 0 .26 131
4/24 2300 28 33 98 94 15 22 32 267 0 .26 132
4/24 2200 28 33 98 94 14 20 28 269 0 .26 132
4/24 2100 28 33 99 93 13 19 25 268 0 .26 132
4/24 2000 29 33 98 92 12 16 23 273 0 .26 132
4/24 1900 29 34 98 91 13 17 21 280 .02 .26 132
4/24 1800 30 35 97 89 13 18 25 281 .01 .24 132
4/24 1700 32 37 96 87 11 17 23 277 0 .23 132
4/24 1600 34 39 89 82 0 8 16 283 .01 .23 132
4/24 1500 34 38 88 84 0 1 4 192 .04 .22 133
4/24 1400 35 40 87 79 0 3 7 171 .03 .18 132
4/24 1300 34 39 86 82 4 8 12 102 .06 .15 131
4/24 1200 34 38 88 82 5 8 13 104 .04 .09 131
4/24 1100 35 39 86 81 1 6 10 110 .02 .05 131
4/24 1000 34 38 89 80 1 5 8 104 0 .03 131
4/24 900 33 38 89 79 4 7 11 89 0 .03 132
4/24 800 31 36 90 83 3 6 8 102 0 .03 132
4/24 700 28 34 93 87 0 3 5 140 0 .03 133
4/24 600 28 33 94 89 0 2 5 198 .01 .03 133
4/24 500 27 32 96 91 0 3 10 240 .02 .02 133

4/24 400 27 32 96 91 6 10 19 246 .01 .54 132
4/24 300 27 33 96 91 4 7 12 249 .01 .53 132
4/24 200 27 33 96 92 5 11 23 259 .02 .52 132
4/24 100 27 33 96 90 8 12 24 251 .02 .5 132
4/24 0 27 33 97 91 4 9 18 265 .03 .48 131
4/23 2300 27 33 97 91 6 12 21 270 .03 .45 131
4/23 2200 27 33 98 89 8 15 30 276 .04 .42 131
4/23 2100 28 33 98 92 9 14 18 268 .02 .38 131
4/23 2000 28 34 98 90 12 19 31 265 .02 .36 131
4/23 1900 28 34 98 91 11 17 25 271 .04 .34 130
4/23 1800 29 34 97 88 6 16 28 273 .05 .3 130
4/23 1700 31 36 95 88 8 13 25 271 .05 .25 129
4/23 1600 31 35 97 89 7 16 23 273 .07 .2 128
4/23 1500 32 38 96 85 6 16 30 250 .03 .13 128
4/23 1400 34 39 90 82 5 11 23 259 .04 .1 127
4/23 1300 34 39 89 82 5 10 16 270 .04 .06 127
4/23 1200 35 39 88 81 0 8 20 231 .02 .02 127
4/23 1100 34 39 89 78 0 9 25 259 0 0 127
4/23 1000 35 39 82 74 4 10 20 254 0 0 127
4/23 900 33 38 86 79 1 7 16 239 0 0 127
4/23 800 32 37 91 82 0 5 8 270 0 0 127
4/23 700 29 35 95 88 4 10 18 269 0 0 127
4/23 600 28 34 97 90 3 7 16 275 0 0 127
4/23 500 28 33 97 91 6 15 30 259 0 0 127

4/23 400 28 33 96 92 11 21 32 261 0 .18 128
4/23 300 28 34 96 91 10 16 25 260 0 .18 127
4/23 200 28 33 97 91 11 16 23 265 0 .18 127
4/23 100 27 34 96 92 10 15 23 261 0 .18 128
4/23 0 29 35 97 91 12 21 35 248 0 .18 128
4/22 2300 29 35 97 92 11 20 39 250 0 .18 128
4/22 2200 30 35 97 93 7 15 25 256 0 .18 127
4/22 2100 30 36 97 91 11 19 27 258 0 .18 128
4/22 2000 31 36 98 89 7 20 31 258 .03 .18 127
4/22 1900 32 37 97 88 6 18 35 261 .01 .15 127
4/22 1800 33 39 97 83 6 16 32 260 .01 .14 127
4/22 1700 33 39 97 81 4 13 21 282 .04 .13 127
4/22 1600 33 42 95 80 6 14 30 276 .01 .09 127
4/22 1500 35 41 91 79 1 13 28 267 .04 .08 127
4/22 1400 36 41 89 78 4 18 32 250 .01 .04 127
4/22 1300 35 43 88 76 2 9 20 254 .02 .03 127
4/22 1200 36 41 86 78 4 12 23 243 .01 .01 127
4/22 1100 38 44 75 66 2 12 29 176 0 0 127
4/22 1000 36 43 74 62 6 19 32 100 0 0 127
4/22 900 36 42 75 64 12 17 28 89 0 0 127
4/22 800 37 43 70 57 19 27 32 93 0 0 127
4/22 700 34 39 82 70 18 26 35 89 0 0 127
4/22 600 32 37 88 77 22 28 35 84 0 0 127
4/22 500 31 37 87 72 24 30 37 89 0 0 127

4/22 400 31 36 85 76 25 30 37 87 0 0 127
4/22 300 31 36 85 76 23 30 39 93 0 0 127
4/22 200 31 38 89 71 21 28 36 92 0 0 127
4/22 100 32 39 88 69 23 30 38 92 0 0 127
4/22 0 31 39 85 66 23 29 37 90 0 0 128
4/21 2300 32 39 86 67 23 28 36 90 0 0 128
4/21 2200 32 40 88 66 22 28 35 89 0 0 128
4/21 2100 32 41 87 63 22 27 35 89 0 0 128
4/21 2000 32 42 86 57 21 28 37 90 0 0 128
4/21 1900 33 42 87 58 20 26 36 89 0 0 128
4/21 1800 33 45 86 55 18 25 36 92 0 0 128
4/21 1700 36 49 81 46 18 24 37 92 0 0 127
4/21 1600 37 51 80 38 16 22 32 87 0 0 128
4/21 1500 39 51 77 35 16 24 38 87 0 0 127
4/21 1400 40 50 82 39 16 22 29 78 0 0 127
4/21 1300 40 49 81 47 15 21 30 79 0 0 127
4/21 1200 41 48 79 45 15 19 25 80 0 0 128
4/21 1100 40 48 77 46 13 18 25 78 0 0 128
4/21 1000 39 44 77 50 14 18 24 89 0 0 128
4/21 900 35 41 84 61 13 17 23 90 0 0 129
4/21 800 33 37 90 73 12 16 23 98 0 0 129
4/21 700 28 32 96 84 13 16 18 101 0 0 130
4/21 600 25 29 96 88 11 15 20 100 0 0 130
4/21 500 24 29 96 88 4 7 11 68 0 0 131

4/21 400 24 31 97 90 1 4 6 167 0 .23 130
4/21 300 24 33 97 88 0 7 11 259 0 .23 131
4/21 200 26 32 98 89 9 14 18 276 0 .23 131
4/21 100 27 32 98 91 13 20 28 274 .01 .23 131
4/21 0 27 33 98 92 13 22 30 275 0 .22 131
4/20 2300 28 33 98 90 14 22 30 274 0 .22 131
4/20 2200 28 34 99 90 13 24 32 273 0 .22 130
4/20 2100 28 34 99 90 15 22 32 269 .02 .22 130
4/20 2000 29 34 99 90 11 21 37 272 0 .2 131
4/20 1900 29 34 99 88 16 25 39 271 0 .2 131
4/20 1800 30 36 99 87 15 25 38 273 .01 .2 131
4/20 1700 30 36 98 88 14 24 35 272 .06 .19 130
4/20 1600 32 37 96 85 11 21 33 272 .02 .13 129
4/20 1500 32 39 96 78 16 25 34 271 .01 .11 130
4/20 1400 33 38 90 81 16 27 42 264 0 .1 130
4/20 1300 33 39 91 81 14 25 42 270 .04 .1 130
4/20 1200 32 39 91 75 12 22 32 271 0 .06 130
4/20 1100 33 38 90 76 13 21 31 272 0 .06 131
4/20 1000 30 35 93 82 16 26 37 268 0 .06 131
4/20 900 29 35 94 78 13 24 37 270 .01 .06 132
4/20 800 28 33 95 87 18 27 40 265 .02 .05 132
4/20 700 27 33 96 85 16 30 47 264 .01 .03 132
4/20 600 27 32 98 90 16 26 39 265 .01 .02 132
4/20 500 27 32 98 90 17 24 32 269 .01 .01 131

MM/DD Hour
PST
Temp
F
5800'
Temp
F
4470'
RH
%
5800'
RH
%
4470'
Wind
Min
5970'
Wind
Avg
5970'
Wind
Max
5970'
Wind
Dir
5970'
Hour
Prec.
5800'
Total
Prec.
5800'
Total
Snow
5800'