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4-27-2015
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'

4/27 800 47 80 0 2 4 86 0 0 50
4/27 700 42 44 94 82 0 1 4 194 0 0 49
4/27 600 40 39 96 89 0 4 9 215 0 0 50
4/27 500 38 38 96 88 6 10 14 244 0 0 50

4/27 400 38 37 96 88 9 13 18 257 0 0 50
4/27 300 38 37 96 90 11 13 17 260 0 0 50
4/27 200 37 38 96 89 8 15 22 263 0 0 50
4/27 100 37 38 95 90 6 10 17 254 0 0 50
4/27 0 35 37 95 86 8 13 19 251 0 0 50
4/26 2300 34 39 95 84 7 12 20 256 0 0 50
4/26 2200 35 39 91 82 0 4 14 239 0 0 50
4/26 2100 35 39 89 80 0 3 7 230 0 0 50
4/26 2000 34 42 89 74 0 5 10 264 0 0 50
4/26 1900 35 45 88 64 6 10 16 262 0 0 50
4/26 1800 37 47 81 57 6 13 23 269 0 0 50
4/26 1700 40 51 77 47 6 13 22 267 0 0 50
4/26 1600 41 55 73 41 4 14 26 270 0 0 50
4/26 1500 43 51 71 44 8 14 23 263 0 0 49
4/26 1400 39 48 77 51 10 17 26 268 0 0 50
4/26 1300 41 49 70 51 9 15 23 270 0 0 49
4/26 1200 40 46 70 58 11 16 25 269 0 0 50
4/26 1100 40 42 62 56 5 11 18 271 0 0 50
4/26 1000 36 40 73 65 1 5 9 277 0 0 50
4/26 900 35 38 67 55 0 2 6 235 0 0 51
4/26 800 31 36 77 68 4 10 16 252 0 0 50
4/26 700 26 32 86 79 10 15 19 250 0 0 50
4/26 600 23 27 89 87 14 18 23 252 0 0 51
4/26 500 21 26 92 89 12 15 22 256 0 0 51

4/26 400 21 26 91 90 13 17 22 256 0 .12 51
4/26 300 22 27 91 93 7 13 20 259 0 .12 50
4/26 200 23 29 94 89 4 9 14 258 0 .12 49
4/26 100 22 29 94 91 3 7 11 246 0 .12 49
4/26 0 24 28 94 95 8 12 17 268 0 .12 50
4/25 2300 24 30 94 92 11 17 22 270 0 .12 50
4/25 2200 25 30 94 90 8 15 22 270 .01 .12 51
4/25 2100 25 31 95 87 12 17 23 268 0 .11 52
4/25 2000 25 31 95 86 13 20 26 268 0 .11 52
4/25 1900 25 32 95 84 13 22 32 270 .02 .11 52
4/25 1800 27 32 95 88 8 17 28 274 .02 .09 50
4/25 1700 28 34 90 80 11 25 39 266 0 .07 51
4/25 1600 30 36 84 74 17 28 40 260 0 .07 51
4/25 1500 33 38 79 70 17 28 40 264 0 .07 51
4/25 1400 33 38 76 70 16 25 38 264 0 .07 51
4/25 1300 31 37 82 75 13 23 35 267 0 .07 51
4/25 1200 33 35 76 75 12 19 33 264 .01 .07 52
4/25 1100 32 35 78 70 8 15 22 271 .01 .06 52
4/25 1000 29 33 82 80 7 14 25 271 0 .05 53
4/25 900 27 33 91 78 8 16 24 267 .01 .05 53
4/25 800 26 31 92 85 11 18 25 263 .01 .04 53
4/25 700 25 30 93 87 8 17 26 261 .01 .03 53
4/25 600 24 29 93 89 6 12 23 255 .01 .02 52
4/25 500 24 30 93 88 6 11 23 263 .01 .01 53

4/25 400 24 30 94 90 6 13 19 258 0 .39 53
4/25 300 24 30 94 89 11 18 30 258 0 .39 53
4/25 200 24 29 94 91 17 23 30 258 0 .39 53
4/25 100 24 30 94 92 15 22 32 260 .01 .39 53
4/25 0 25 31 95 90 10 18 31 260 .01 .38 53
4/24 2300 26 31 95 88 11 17 23 267 0 .37 53
4/24 2200 26 31 95 92 13 19 25 263 .01 .37 53
4/24 2100 26 32 95 89 13 20 25 271 .01 .36 52
4/24 2000 26 32 96 89 13 20 30 268 .01 .35 52
4/24 1900 27 32 95 91 14 25 38 260 .02 .34 53
4/24 1800 28 33 95 91 10 18 30 267 .01 .32 52
4/24 1700 28 35 92 85 13 20 30 266 .04 .31 248
4/24 1600 29 35 91 83 12 20 33 264 .06 .27 248
4/24 1500 29 34 91 89 3 11 19 266 .01 .21 50
4/24 1400 31 37 85 79 6 19 37 264 .05 .2 49
4/24 1300 29 35 90 82 8 19 35 262 0 .15 49
4/24 1200 32 35 82 84 7 15 27 266 .06 .15 50
4/24 1100 28 35 90 76 8 18 36 268 0 .09 51
4/24 1000 27 33 90 75 12 22 38 266 .03 .09 51
4/24 900 27 32 91 77 8 25 49 259 .02 .06 51
4/24 800 25 31 93 84 11 25 43 260 .01 .04 51
4/24 700 25 31 93 86 12 28 48 258 .01 .03 51
4/24 600 24 29 94 89 17 30 52 253 .01 .02 51
4/24 500 24 30 93 84 13 28 51 254 .01 .01 51

4/24 400 24 29 94 90 16 27 42 251 .01 .24 51
4/24 300 24 29 93 89 16 29 48 255 0 .23 49
4/24 200 23 29 93 88 15 26 43 258 .01 .23 51
4/24 100 23 29 94 86 16 26 49 263 0 .22 50
4/24 0 23 30 94 80 14 27 45 268 0 .22 51
4/23 2300 23 29 93 83 13 24 43 265 .01 .22 50
4/23 2200 24 31 93 85 10 22 34 263 .02 .21 50
4/23 2100 25 31 95 88 10 24 41 269 .03 .19 50
4/23 2000 28 33 96 90 7 19 35 266 .03 .16 50
4/23 1900 29 35 96 88 10 17 29 264 0 .13 49
4/23 1800 30 36 95 84 8 16 30 263 .02 .13 49
4/23 1700 31 37 95 87 11 18 31 267 .05 .11 49
4/23 1600 32 38 93 86 8 17 35 262 .04 .06 48
4/23 1500 32 38 90 83 7 13 21 269 .02 .02 47
4/23 1400 34 41 81 72 7 14 19 268 0 0 48
4/23 1300 38 43 66 59 6 16 25 266 0 0 47
4/23 1200 38 43 62 55 8 19 29 270 0 0 47
4/23 1100 35 40 66 54 2 11 17 270 0 0 48
4/23 1000 35 39 61 58 7 14 30 269 0 0 47
4/23 900 32 36 63 54 9 16 27 261 0 0 48
4/23 800 27 32 63 57 11 21 36 269 0 0 48
4/23 700 25 31 50 61 11 22 32 273 0 0 48
4/23 600 25 31 52 66 13 24 39 270 0 0 48
4/23 500 25 29 40 74 16 28 43 261 0 0 49

4/23 400 25 30 58 78 14 24 37 262 0 .01 48
4/23 300 24 31 80 80 11 19 30 267 0 .01 49
4/23 200 24 31 91 79 10 18 25 269 0 .01 49
4/23 100 25 31 92 80 9 16 26 267 0 .01 49
4/23 0 25 32 93 78 8 18 28 266 0 .01 49
4/22 2300 26 32 90 75 10 16 25 270 0 .01 48
4/22 2200 26 34 87 71 10 16 23 267 0 .01 48
4/22 2100 27 35 84 68 11 18 28 265 0 .01 49
4/22 2000 28 36 81 65 13 21 32 264 0 .01 49
4/22 1900 29 37 77 59 11 20 27 270 0 .01 49
4/22 1800 31 41 70 53 11 22 30 265 0 .01 48
4/22 1700 35 44 61 45 12 23 37 271 0 .01 48
4/22 1600 36 44 57 43 10 24 39 275 0 .01 48
4/22 1500 37 44 55 45 12 23 36 272 0 .01 48
4/22 1400 37 43 58 46 11 21 37 275 0 .01 48
4/22 1300 37 42 62 47 11 20 29 270 0 .01 47
4/22 1200 35 40 67 49 11 21 30 270 0 .01 48
4/22 1100 33 38 68 55 15 25 35 270 0 .01 48
4/22 1000 29 34 79 60 22 30 38 272 0 .01 48
4/22 900 27 32 86 64 21 31 41 273 0 .01 49
4/22 800 25 31 90 74 16 27 37 272 .01 .01 49
4/22 700 23 29 93 80 18 29 45 270 0 0 49
4/22 600 22 28 94 82 24 34 47 267 0 0 49
4/22 500 22 28 94 81 22 33 49 267 0 0 49

4/22 400 22 28 94 82 17 35 55 266 0 .02 49
4/22 300 22 28 94 83 26 40 55 265 0 .02 49
4/22 200 22 28 94 83 25 42 56 264 0 .02 49
4/22 100 22 28 94 84 18 38 54 270 0 .02 49
4/22 0 22 29 92 84 28 50 71 263 0 .02 49
4/21 2300 25 30 95 90 26 41 59 266 .01 .02 49
4/21 2200 27 32 96 89 26 37 51 269 .01 .01 49
4/21 2100 28 33 96 88 21 37 53 266 0 0 49
4/21 2000 31 37 96 88 18 30 48 264 0 0 49
4/21 1900 34 39 96 88 16 29 46 269 0 0 49
4/21 1800 36 42 95 83 11 23 35 270 0 0 49
4/21 1700 37 44 94 83 12 22 35 274 0 0 49
4/21 1600 39 46 92 76 10 21 32 271 0 0 49
4/21 1500 47 51 67 63 11 21 29 268 0 0 49
4/21 1400 48 53 66 61 6 20 32 271 0 0 49
4/21 1300 52 56 55 43 15 24 33 273 0 0 48
4/21 1200 52 57 51 44 11 19 29 275 0 0 49
4/21 1100 52 56 49 47 11 17 21 272 0 0 49
4/21 1000 50 53 55 50 9 17 25 269 0 0 50
4/21 900 48 50 55 55 11 15 19 268 0 0 50
4/21 800 46 47 52 66 10 13 16 270 0 0 50
4/21 700 44 44 45 67 7 11 14 266 0 0 51
4/21 600 42 38 44 77 5 8 11 263 0 0 51
4/21 500 41 38 37 80 5 9 12 260 0 0 51

4/21 400 41 38 45 82 7 10 13 262 0 0 51
4/21 300 41 39 54 81 7 9 11 263 0 0 51
4/21 200 41 39 55 82 4 7 9 258 0 0 51
4/21 100 41 40 66 80 4 9 14 261 0 0 51
4/21 0 41 42 67 78 7 10 13 258 0 0 51
4/20 2300 41 44 69 73 8 12 16 262 0 0 51
4/20 2200 42 46 71 70 10 12 14 266 0 0 51
4/20 2100 44 48 67 65 7 11 16 270 0 0 51
4/20 2000 44 50 65 63 10 16 21 262 0 0 51
4/20 1900 47 56 60 51 12 17 23 270 0 0 51
4/20 1800 51 62 51 36 11 17 22 274 0 0 51
4/20 1700 55 66 40 30 7 17 25 272 0 0 51
4/20 1600 57 67 32 24 7 17 28 267 0 0 51
4/20 1500 59 66 29 24 5 16 26 272 0 0 50
4/20 1400 59 68 30 24 4 14 24 267 0 0 50
4/20 1300 58 64 31 27 4 16 28 266 0 0 50
4/20 1200 60 64 33 30 8 17 25 268 0 0 51
4/20 1100 58 61 30 29 6 13 21 263 0 0 51
4/20 1000 56 59 31 30 3 9 18 256 0 0 52
4/20 900 52 57 35 32 1 5 10 158 0 0 53
4/20 800 52 51 36 51 0 0 4 152 0 0 52
4/20 700 48 44 41 67 0 3 7 209 0 0 53
4/20 600 46 38 42 73 4 6 10 185 0 0 53
4/20 500 45 37 43 73 4 7 10 170 0 0 53

4/20 400 45 38 42 73 5 7 10 149 0 0 53
4/20 300 45 39 44 72 4 6 8 143 0 0 53
4/20 200 46 39 47 72 5 7 8 141 0 0 53
4/20 100 42 40 55 70 4 6 7 118 0 0 53
4/20 0 43 40 55 69 4 5 6 122 0 0 54
4/19 2300 42 42 57 67 6 8 10 101 0 0 53
4/19 2200 41 45 57 63 5 7 9 91 0 0 53
4/19 2100 43 47 54 57 5 7 9 103 0 0 53
4/19 2000 44 50 51 53 4 7 10 95 0 0 53
4/19 1900 45 55 48 47 0 3 10 159 0 0 53
4/19 1800 50 63 40 33 1 9 16 273 0 0 53
4/19 1700 55 68 32 22 6 13 20 270 0 0 53
4/19 1600 55 68 30 20 4 12 20 274 0 0 53
4/19 1500 57 67 28 22 2 9 19 256 0 0 52
4/19 1400 57 67 27 22 0 3 7 67 0 0 53
4/19 1300 58 68 28 26 0 3 9 97 0 0 52
4/19 1200 57 64 27 29 0 5 13 95 0 0 52
4/19 1100 55 59 31 30 4 9 16 78 0 0 53
4/19 1000 51 55 30 35 11 15 20 89 0 0 53
4/19 900 48 52 34 42 11 15 20 89 0 0 54
4/19 800 48 47 33 48 11 15 20 92 0 0 54
4/19 700 46 40 35 64 9 12 16 102 0 0 55
4/19 600 40 35 34 67 8 10 11 98 0 0 56
4/19 500 39 34 33 66 4 6 10 65 0 0 56

4/19 400 40 34 30 70 4 6 8 43 0 0 55
4/19 300 41 35 27 66 4 5 6 50 0 0 55
4/19 200 41 36 28 65 3 5 6 55 0 0 55
4/19 100 40 37 32 67 2 4 6 43 0 0 56
4/19 0 40 40 44 74 0 6 11 314 0 0 55
4/18 2300 41 40 68 79 8 12 16 276 0 0 55
4/18 2200 40 42 75 74 12 14 17 262 0 0 55
4/18 2100 42 43 68 69 9 12 14 264 0 0 55
4/18 2000 44 46 60 62 11 13 16 269 0 0 55
4/18 1900 45 51 53 51 11 14 18 273 0 0 55
4/18 1800 49 60 42 34 11 16 21 271 0 0 55
4/18 1700 53 65 33 24 10 15 23 269 0 0 54
4/18 1600 54 67 25 20 8 15 22 270 0 0 55
4/18 1500 56 63 21 22 8 16 23 268 0 0 54
4/18 1400 56 64 21 20 8 15 24 270 0 0 55
4/18 1300 56 62 18 16 7 14 21 267 0 0 54
4/18 1200 56 61 17 18 0 9 18 241 0 0 54
4/18 1100 56 59 16 25 0 2 6 92 0 0 55
4/18 1000 52 54 18 30 1 5 10 89 0 0 55
4/18 900 48 50 21 30 6 8 12 89 0 0 56
4/18 800 48 45 15 33 7 10 16 90 0 0 56
4/18 700 42 37 19 56 4 9 13 102 0 0 57
4/18 600 40 31 14 61 4 7 10 108 0 0 57
4/18 500 38 31 16 68 4 7 11 48 0 0 57

4/18 400 39 31 19 80 3 9 15 262 0 0 57
4/18 300 40 32 21 82 4 8 14 259 0 0 57
4/18 200 38 33 37 85 5 11 16 312 0 0 57
4/18 100 35 34 60 84 6 12 20 291 0 0 57
4/18 0 35 34 64 86 6 13 20 284 0 0 56
4/17 2300 35 37 78 83 5 10 15 281 0 0 57
4/17 2200 35 39 86 79 10 15 24 277 0 0 57
4/17 2100 36 41 85 75 11 15 20 279 0 0 57
4/17 2000 38 43 81 71 14 18 23 266 0 0 57
4/17 1900 40 49 76 62 13 19 25 269 0 0 57
4/17 1800 44 53 66 53 12 21 30 265 0 0 57
4/17 1700 48 57 57 42 10 22 34 268 0 0 57
4/17 1600 50 59 51 40 17 28 38 272 0 0 57
4/17 1500 53 60 50 41 14 26 37 268 0 0 56
4/17 1400 54 58 47 43 15 27 41 272 0 0 57
4/17 1300 55 59 38 36 11 22 30 270 0 0 57
4/17 1200 55 58 38 37 12 21 32 269 0 0 57
4/17 1100 55 58 37 41 7 15 25 269 0 0 57
4/17 1000 52 55 43 42 8 14 20 269 0 0 58
4/17 900 49 54 46 41 7 13 20 271 0 0 58
4/17 800 50 48 40 56 4 8 13 273 0 0 58
4/17 700 45 40 45 71 3 6 9 265 0 0 59
4/17 600 42 35 48 78 2 6 10 239 0 0 59
4/17 500 41 34 47 78 5 8 11 128 0 0 59

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'