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10-17-2017
Northwest Avalanche Center
White Pass Ski Area, Washington

Total snow may measure vegetation before there is snowcover
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'

10/17 600 42 40 55 56 18 33 58 257 0 0 12
10/17 500 42 39 44 61 19 27 40 262 0 0 12

10/17 400 41 36 45 70 17 25 38 265 0 0 11
10/17 300 41 37 45 71 13 21 35 264 0 0 12
10/17 200 42 39 57 74 8 19 30 255 0 0 12
10/17 100 45 41 64 78 12 22 32 241 0 0 12
10/17 0 45 42 69 75 12 20 32 249 0 0 12
10/16 2300 45 40 68 76 17 26 36 253 0 0 12
10/16 2200 45 41 65 65 23 29 38 260 0 0 12
10/16 2100 45 41 54 62 23 32 41 252 0 0 12
10/16 2000 43 42 38 62 24 34 44 254 0 0 12
10/16 1900 42 41 41 71 20 28 37 259 0 0 12
10/16 1800 42 44 58 67 19 24 31 259 0 0 11
10/16 1700 44 52 52 51 14 25 41 258 0 0 12
10/16 1600 47 60 43 31 15 24 31 266 0 0 12
10/16 1500 49 63 44 27 14 27 44 265 0 0 12
10/16 1400 52 63 40 28 11 22 35 270 0 0 11
10/16 1300 53 60 38 30 11 22 34 262 0 0 12
10/16 1200 52 59 40 30 16 24 32 266 0 0 12
10/16 1100 53 57 41 35 18 25 35 259 0 0 12
10/16 1000 50 55 41 37 18 27 37 260 0 0 13
10/16 900 47 48 49 56 21 28 39 260 0 0 14
10/16 800 44 39 53 72 20 29 36 258 0 0 13
10/16 700 42 35 48 82 20 30 39 257 0 0 14
10/16 600 42 34 64 85 18 31 40 259 0 0 14
10/16 500 42 35 58 86 20 30 37 249 0 0 14

10/16 400 39 35 65 86 18 24 35 257 0 0 14
10/16 300 41 35 63 85 13 21 30 257 0 0 14
10/16 200 39 36 70 90 16 22 30 259 0 0 13
10/16 100 40 36 67 90 17 23 31 255 0 0 13
10/16 0 41 34 61 87 16 20 27 260 0 0 13
10/15 2300 42 35 61 84 13 19 24 260 0 0 14
10/15 2200 41 35 63 85 13 17 23 261 0 0 13
10/15 2100 39 36 68 84 10 13 19 264 0 0 14
10/15 2000 40 37 68 83 7 10 12 280 0 0 14
10/15 1900 40 39 66 76 8 11 14 272 0 0 14
10/15 1800 41 42 69 75 11 14 20 270 0 0 14
10/15 1700 42 47 73 67 6 14 19 268 0 0 14
10/15 1600 47 55 65 58 5 8 11 274 0 0 14
10/15 1500 48 57 68 49 5 7 9 279 0 0 13
10/15 1400 50 59 67 42 4 7 10 276 0 0 13
10/15 1300 51 57 57 45 0 4 8 221 0 0 12
10/15 1200 49 53 61 52 0 3 6 52 0 0 13
10/15 1100 50 51 52 53 2 6 10 111 0 0 13
10/15 1000 44 47 83 65 4 7 10 101 0 0 14
10/15 900 39 42 92 77 8 11 13 105 0 0 13
10/15 800 37 35 93 91 11 13 15 111 0 0 12
10/15 700 35 32 96 93 9 12 13 114 0 0 248
10/15 600 36 32 95 94 10 11 13 117 0 0 13
10/15 500 36 32 95 93 6 9 12 113 0 0 248

10/15 400 37 31 90 93 6 8 11 132 0 1.03 13
10/15 300 37 31 91 93 6 8 11 135 0 1.03 12
10/15 200 37 31 91 91 7 9 11 135 0 1.03 15
10/15 100 39 32 89 91 4 6 11 122 0 1.03 15
10/15 0 37 32 94 91 4 5 7 102 .01 1.03 15
10/14 2300 38 32 93 90 4 6 8 103 0 1.02 15
10/14 2200 37 33 94 91 5 7 8 106 0 1.02 15
10/14 2100 36 32 97 91 7 10 13 104 .01 1.02 15
10/14 2000 35 33 97 91 5 9 19 88 .02 1.01 15
10/14 1900 35 33 95 91 2 5 8 59 .01 .99 16
10/14 1800 35 34 92 91 0 1 5 102 .02 .98 16
10/14 1700 36 36 91 88 0 0 4 163 .03 .96 15
10/14 1600 36 38 88 81 0 3 7 231 .03 .93 15
10/14 1500 35 45 91 66 0 2 6 249 .07 .9 15
10/14 1400 37 45 80 62 0 4 11 276 .16 .83 15
10/14 1300 35 44 78 67 5 8 13 275 .22 .67 15
10/14 1200 36 40 75 77 8 15 24 252 .18 .45 14
10/14 1100 36 38 81 78 16 20 23 252 .1 .27 14
10/14 1000 32 34 86 79 13 18 22 256 .06 .17 15
10/14 900 27 30 92 82 16 22 29 253 .03 .11 15
10/14 800 24 26 90 90 20 24 30 248 .02 .08 16
10/14 700 22 24 93 92 18 23 27 250 .02 .06 15
10/14 600 22 23 92 90 18 22 27 249 .02 .04 16
10/14 500 21 22 92 92 17 22 28 248 .02 .02 16

10/14 400 20 24 92 92 10 15 20 255 .02 .27 16
10/14 300 21 23 92 93 4 9 15 278 .02 .25 16
10/14 200 21 23 92 90 0 2 5 344 .02 .23 16
10/14 100 22 24 92 91 2 5 6 296 .01 .21 16
10/14 0 23 24 90 92 1 5 8 304 .02 .2 16
10/13 2300 21 25 94 91 2 9 12 269 .02 .18 16
10/13 2200 22 25 95 91 0 7 11 301 .03 .16 16
10/13 2100 21 27 93 88 0 8 18 303 .02 .13 16
10/13 2000 23 29 95 88 4 13 23 283 .04 .11 17
10/13 1900 24 31 95 84 2 12 21 277 .03 .07 17
10/13 1800 25 31 96 88 6 14 22 277 .02 .04 17
10/13 1700 25 32 95 86 6 15 26 286 .02 .02 16
10/13 1600 26 32 95 79 8 16 25 282 0 0 16
10/13 1500 26 33 94 79 8 14 21 267 0 0 16
10/13 1400 28 34 92 76 10 24 37 261 0 0 16
10/13 1300 29 35 89 73 18 34 51 260 0 0 17
10/13 1200 28 33 91 80 19 34 48 260 0 0 17
10/13 1100 25 30 94 87 24 39 59 259 0 0 16
10/13 1000 24 31 95 82 22 42 57 263 0 0 16
10/13 900 25 31 95 79 20 36 56 257 0 0 17
10/13 800 24 30 96 85 20 38 56 262 0 0 18
10/13 700 23 29 97 89 25 41 62 262 0 0 18
10/13 600 23 29 96 91 20 38 69 266 0 0 18
10/13 500 25 30 97 90 18 30 52 265 0 0 17

10/13 400 25 31 97 89 20 34 52 270 0 0 15
10/13 300 25 31 97 89 20 33 52 268 0 0 16
10/13 200 26 31 97 91 23 34 49 266 0 0 13
10/13 100 26 31 97 89 21 35 50 267 0 0 16
10/13 0 25 31 97 91 22 35 51 260 0 0 16
10/12 2300 25 31 97 89 18 30 44 257 0 0 16
10/12 2200 27 32 98 94 14 25 38 256 0 0 15
10/12 2100 27 32 97 94 16 26 41 262 0 0 14
10/12 2000 27 32 97 94 14 27 42 257 0 0 16
10/12 1900 28 32 98 94 14 26 41 253 0 0 12
10/12 1800 28 32 98 94 12 23 31 257 0 0 12
10/12 1700 29 33 98 93 13 22 33 260 0 0 13
10/12 1600 30 34 97 90 16 25 41 260 0 0 248
10/12 1500 30 35 97 91 13 23 37 263 0 0 11
10/12 1400 30 36 95 86 11 21 34 260 0 0 11
10/12 1300 31 36 94 85 9 15 26 262 0 0 10
10/12 1200 33 38 92 80 8 16 23 254 0 0 10
10/12 1100 32 36 92 83 6 13 27 250 0 0 8
10/12 1000 31 36 94 81 6 14 24 236 0 0 10
10/12 900 30 34 95 86 4 9 20 237 0 0 9
10/12 800 28 32 97 91 0 5 14 230 0 0 248
10/12 700 27 32 97 91 3 11 19 252 0 0 10
10/12 600 26 32 97 91 8 16 29 264 0 0 8
10/12 500 26 32 97 89 12 22 36 262 0 0 248

10/12 400 26 32 98 89 17 28 42 265 0 0 8
10/12 300 26 31 98 89 14 28 59 264 0 0 9
10/12 200 25 31 97 87 14 32 53 263 0 0 7
10/12 100 25 31 97 92 11 23 36 261 0 0 8
10/12 0 25 31 97 90 18 27 37 260 0 0 8
10/11 2300 25 31 97 85 18 32 52 263 0 0 9
10/11 2200 26 31 98 88 18 31 45 264 0 0 5
10/11 2100 26 31 97 89 13 23 46 263 0 0 5
10/11 2000 26 32 97 91 11 19 28 266 0 0 248
10/11 1900 26 32 97 90 12 22 31 265 0 0 248
10/11 1800 26 32 98 88 14 25 34 268 0 0 7
10/11 1700 27 32 97 92 9 22 38 262 0 0 8
10/11 1600 28 34 96 86 11 19 30 260 0 0 5
10/11 1500 28 33 95 91 11 20 32 263 0 0 8
10/11 1400 29 37 93 81 13 21 30 266 0 0 8
10/11 1300 30 34 95 87 11 17 24 262 0 0 7
10/11 1200 32 35 90 84 12 18 27 259 0 0 4
10/11 1100 30 34 95 85 8 14 20 267 0 0 6
10/11 1000 31 35 92 85 6 10 16 265 0 0 8
10/11 900 28 34 95 85 6 16 26 255 0 0 5
10/11 800 27 32 96 89 13 21 32 257 0 0 5
10/11 700 26 31 97 92 16 24 34 252 0 0 4
10/11 600 25 31 97 92 16 25 35 258 0 0 4
10/11 500 26 31 97 91 15 26 37 263 0 0 4

10/11 400 26 31 97 90 19 29 38 263 0 0 4
10/11 300 26 31 98 87 19 29 44 269 0 0 6
10/11 200 25 31 98 85 20 29 42 265 0 0 4
10/11 100 25 31 97 84 21 32 48 263 0 0 5
10/11 0 25 31 97 86 27 40 57 258 0 0 6
10/10 2300 25 31 97 86 22 39 52 264 0 0 5
10/10 2200 27 32 98 89 24 32 44 263 0 0 7
10/10 2100 26 32 97 84 23 31 38 268 0 0 5
10/10 2000 27 33 97 82 23 33 47 271 0 0 6
10/10 1900 28 33 98 85 18 28 39 278 0 0 6
10/10 1800 28 34 98 88 9 18 29 277 0 0 6
10/10 1700 29 34 98 88 8 20 35 266 0 0 8
10/10 1600 30 37 96 86 10 24 40 262 0 0 8
10/10 1500 32 38 97 86 8 19 35 268 0 0 9
10/10 1400 32 39 96 86 10 21 33 266 0 0 10
10/10 1300 35 41 86 74 13 21 37 263 0 0 9
10/10 1200 36 43 59 52 6 20 34 269 0 0 10
10/10 1100 35 42 76 60 8 16 26 282 0 0 10
10/10 1000 35 41 71 59 14 22 31 272 0 0 10
10/10 900 37 42 58 49 14 19 25 266 0 0 11
10/10 800 38 40 53 55 13 19 25 258 0 0 9
10/10 700 39 35 47 75 16 27 37 250 0 0 10
10/10 600 38 33 49 73 18 25 33 250 0 0 10
10/10 500 37 33 50 75 0 16 34 243 0 0 11

10/10 400 40 33 36 75 0 6 16 231 0 .06 10
10/10 300 40 33 36 74 0 2 9 132 0 .06 10
10/10 200 39 34 40 76 5 9 14 124 0 .06 10
10/10 100 41 35 35 77 7 12 19 138 0 .06 9
10/10 0 41 35 35 77 8 14 23 130 0 .06 10
10/9 2300 43 37 30 72 8 16 24 121 0 .06 10
10/9 2200 41 37 26 69 8 13 19 115 0 .06 11
10/9 2100 42 39 23 68 7 13 20 137 0 .06 11
10/9 2000 45 41 20 69 7 10 16 141 0 .06 10
10/9 1900 42 42 34 66 5 7 11 125 .01 .06 11
10/9 1800 42 45 47 61 4 6 8 95 0 .05 11
10/9 1700 44 51 47 51 0 3 8 69 0 .05 9
10/9 1600 48 58 46 42 0 1 8 120 0 .05 9
10/9 1500 49 62 41 29 0 2 6 222 0 .05 10
10/9 1400 52 63 33 23 0 4 10 280 .02 .05 10
10/9 1300 52 59 33 21 0 2 8 264 .01 .03 9
10/9 1200 51 56 30 24 0 2 5 175 .01 .02 10
10/9 1100 49 54 32 26 0 0 5 287 .01 .01 10
10/9 1000 48 48 35 35 0 0 3 119 0 0 11
10/9 900 43 40 31 65 0 2 5 75 0 0 11
10/9 800 40 33 28 79 0 1 4 36 0 0 10
10/9 700 37 29 27 82 0 0 2 208 0 0 9
10/9 600 35 29 32 83 0 2 6 271 0 0 10
10/9 500 35 29 40 84 3 5 8 271 0 0 10

10/9 400 36 29 38 87 0 3 6 227 0 .26 10
10/9 300 33 30 49 90 0 3 8 235 0 .26 9
10/9 200 32 30 66 91 0 2 5 294 0 .26 10
10/9 100 31 30 67 92 2 4 8 315 0 .26 10
10/9 0 33 31 52 93 3 7 11 303 0 .26 10
10/8 2300 32 31 66 92 1 5 8 291 0 .26 10
10/8 2200 29 32 84 91 0 3 9 295 0 .26 9
10/8 2100 31 33 95 91 6 10 14 271 0 .26 9
10/8 2000 31 34 98 90 0 7 13 282 0 .26 10
10/8 1900 32 37 99 85 8 12 16 270 0 .26 9
10/8 1800 31 39 98 80 9 12 15 262 0 .26 10
10/8 1700 33 44 97 67 8 15 20 266 0 .26 10
10/8 1600 35 50 96 55 8 14 19 267 .01 .26 11
10/8 1500 36 48 95 58 6 11 18 259 .01 .25 9
10/8 1400 37 48 93 59 7 12 18 265 .08 .24 9
10/8 1300 37 45 92 67 2 8 16 265 .13 .16 8
10/8 1200 35 44 93 73 0 3 10 177 .03 .03 9
10/8 1100 34 43 95 69 4 7 13 307 0 0 8
10/8 1000 32 40 98 76 1 9 19 294 0 0 9
10/8 900 31 38 98 85 5 13 27 293 0 0 248
10/8 800 30 36 98 89 4 16 30 294 0 0 7
10/8 700 29 35 98 94 4 9 15 289 0 0 7
10/8 600 29 34 98 94 2 9 16 277 0 0 7
10/8 500 29 35 99 91 2 11 18 282 0 0 6

10/8 400 30 35 99 91 11 17 28 272 0 .02 248
10/8 300 30 35 99 92 11 21 32 272 0 .02 248
10/8 200 30 35 99 92 16 28 40 272 0 .02 248
10/8 100 30 35 99 92 20 30 43 270 0 .02 248
10/8 0 30 35 99 92 21 33 47 269 0 .02 248
10/7 2300 30 35 99 91 23 39 51 266 0 .02 6
10/7 2200 30 36 99 87 21 37 55 268 0 .02 4
10/7 2100 30 36 99 89 26 43 66 271 0 .02 6
10/7 2000 31 36 100 90 24 40 59 272 0 .02 248
10/7 1900 31 36 100 90 17 34 56 274 0 .02 6
10/7 1800 31 37 100 92 19 33 48 272 0 .02 7
10/7 1700 31 36 99 91 18 32 49 274 0 .02 8
10/7 1600 32 38 100 90 15 25 47 268 0 .02 9
10/7 1500 32 38 100 89 15 27 40 273 .01 .02 10
10/7 1400 31 37 99 88 20 33 51 272 0 .01 11
10/7 1300 32 40 99 78 18 34 53 275 0 .01 10
10/7 1200 32 39 99 80 18 33 53 271 0 .01 10
10/7 1100 32 39 98 79 23 38 58 272 0 .01 10
10/7 1000 30 36 99 86 21 38 55 273 0 .01 10
10/7 900 30 37 98 81 23 45 68 271 0 .01 11
10/7 800 29 36 98 80 33 54 73 270 0 .01 10
10/7 700 29 36 99 84 34 60 81 275 0 .01 10
10/7 600 30 36 99 89 32 58 81 271 0 .01 9
10/7 500 31 36 99 89 28 57 90 271 .01 .01 10

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'