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4-18-2015
Northwest Avalanche Center
Washington Department of Transportation
Washington Pass, Washington

Wind gages unheated and may rime
Prec. gage may record condensation
5450' stn bad readings possible in wet weather
Total snow adjusted April 17 11 am
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'

4/18 1600 46 53 33 29 6 11 218 92 0 .02 59
4/18 1500 47 53 34 28 6 12 206 90 0 .02 59
4/18 1400 47 54 31 26 6 11 217 94 0 .02 59
4/18 1300 47 55 29 24 6 10 211 95 0 .02 59
4/18 1200 43 53 27 22 5 8 256 93 0 .02 59
4/18 1100 44 50 29 26 5 8 167 86 0 .02 60
4/18 1000 40 46 40 32 3 5 59 83 0 .02 61
4/18 900 45 41 40 48 1 4 110 66 0 .02 61
4/18 800 42 35 44 63 1 3 190 60 0 .02 61
4/18 700 38 26 39 92 0 1 218 55 0 .02 61
4/18 600 34 25 55 93 3 7 2 54 .01 .02 61
4/18 500 30 25 69 91 4 7 311 53 0 .01 61

4/18 400 30 26 75 89 2 4 215 54 0 .02 61
4/18 300 30 28 77 87 4 12 29 54 0 .02 61
4/18 200 32 29 68 78 3 13 49 55 0 .02 61
4/18 100 32 27 64 86 2 6 124 53 .01 .02 61
4/18 0 32 28 63 85 2 6 60 54 0 .01 61
4/17 2300 32 30 65 79 5 11 221 56 0 .01 61
4/17 2200 33 33 62 77 6 13 228 59 0 .01 61
4/17 2100 33 38 74 64 4 11 275 61 0 .01 61
4/17 2000 34 39 72 61 6 12 352 63 0 .01 61
4/17 1900 36 40 65 57 4 12 267 66 0 .01 61
4/17 1800 39 43 53 46 8 14 238 69 0 .01 61
4/17 1700 42 48 42 38 8 16 237 75 0 .01 60
4/17 1600 45 50 39 33 7 11 212 86 0 .01 61
4/17 1500 46 53 42 35 8 16 216 91 0 .01 60
4/17 1400 46 54 47 36 8 13 214 89 0 .01 60
4/17 1300 47 56 47 36 9 15 227 92 0 .01 60
4/17 1200 46 51 50 43 11 18 221 82 0 .01 62
4/17 1100 44 51 53 42 11 18 237 85 0 .01 61
4/17 1000 47 50 44 40 7 12 223 87 0 .01 44
4/17 900 45 46 44 45 9 14 221 73 0 .01 44
4/17 800 44 42 42 50 9 11 226 68 0 .01 45
4/17 700 42 32 44 85 7 9 245 59 .01 .01 45
4/17 600 40 28 49 92 6 9 251 55 0 0 45
4/17 500 39 27 51 93 9 12 239 55 0 0 45

4/17 400 41 27 47 93 8 10 242 55 0 .03 45
4/17 300 42 28 44 93 8 9 243 56 0 .03 45
4/17 200 41 28 42 93 11 13 241 55 .01 .03 45
4/17 100 41 28 41 93 9 12 251 56 0 .02 45
4/17 0 41 28 41 93 10 11 247 57 0 .02 45
4/16 2300 41 29 43 92 9 11 253 58 0 .02 45
4/16 2200 40 30 51 91 6 9 258 59 0 .02 45
4/16 2100 40 31 58 87 6 10 258 59 0 .02 44
4/16 2000 40 32 56 80 5 7 256 61 0 .02 44
4/16 1900 41 36 52 73 6 11 264 65 0 .02 44
4/16 1800 43 43 46 56 6 11 236 74 0 .02 44
4/16 1700 46 50 46 40 6 10 224 79 0 .02 44
4/16 1600 47 43 5 10 220 .02
4/16 1500 49 55 41 36 6 8 222 98 0 .02 43
4/16 1400 48 55 44 36 6 10 222 98 0 .02 43
4/16 1300 48 55 43 35 9 13 214 96 0 .02 43
4/16 1200 44 55 49 35 8 12 216 94 0 .02 44
4/16 1100 45 51 48 39 5 7 201 86 0 .02 45
4/16 1000 43 46 48 46 4 8 212 84 0 .02 45
4/16 900 41 40 52 53 7 10 231 66 0 .02 46
4/16 800 37 34 54 65 3 9 245 60 .01 .02 46
4/16 700 40 24 51 96 2 8 279 53 0 .01 46
4/16 600 38 22 50 93 2 6 338 51 0 .01 46
4/16 500 35 23 53 93 5 8 299 50 .01 .01 46

4/16 400 35 24 55 90 3 6 280 50 0 .02 46
4/16 300 33 24 59 91 4 10 279 51 0 .02 46
4/16 200 30 23 66 91 5 9 271 51 0 .02 46
4/16 100 32 25 63 87 2 6 290 51 0 .02 46
4/16 0 31 25 65 87 4 6 246 51 .01 .02 46
4/15 2300 29 26 72 88 3 7 23 52 0 .01 46
4/15 2200 27 26 81 88 2 5 281 53 0 .01 46
4/15 2100 25 28 91 87 2 7 7 52 .01 .01 46
4/15 2000 25 29 92 83 3 9 325 55 0 0 46
4/15 1900 26 30 87 78 10 15 291 56 0 0 46
4/15 1800 27 32 85 73 8 13 302 59 0 0 46
4/15 1700 31 35 72 63 5 10 237 64 0 0 46
4/15 1600 35 40 64 52 7 13 215 81 0 0 45
4/15 1500 35 42 61 48 6 11 220 84 0 0 44
4/15 1400 33 42 62 44 7 11 210 81 0 0 45
4/15 1300 32 42 60 43 7 14 214 79 0 0 45
4/15 1200 32 39 64 45 7 11 216 75 0 0 46
4/15 1100 29 37 63 48 5 8 232 73 0 0 45
4/15 1000 28 33 66 56 6 11 228 67 0 0 46
4/15 900 26 27 70 69 9 14 227 52 0 0 46
4/15 800 20 23 83 78 8 13 231 47 0 0 47
4/15 700 19 17 87 97 5 8 237 43 0 0 47
4/15 600 19 13 82 93 3 8 30 39 0 0 47
4/15 500 17 12 86 93 4 7 312 40 0 0 47

4/15 400 17 13 87 91 5 10 255 40 0 .04 47
4/15 300 17 15 88 90 4 9 298 43 0 .04 47
4/15 200 17 16 87 89 2 6 348 43 .01 .04 47
4/15 100 18 18 84 87 2 8 208 44 0 .03 47
4/15 0 18 21 85 82 4 12 240 48 0 .03 47
4/14 2300 19 23 85 80 3 9 108 50 0 .03 47
4/14 2200 19 24 85 74 4 9 169 49 0 .03 47
4/14 2100 19 25 83 70 4 8 40 48 0 .03 47
4/14 2000 19 25 80 65 4 8 92 47 0 .03 47
4/14 1900 20 26 84 64 5 11 321 47 0 .03 47
4/14 1800 21 27 81 67 5 10 274 50 0 .03 47
4/14 1700 23 28 74 64 5 13 345 51 0 .03 46
4/14 1600 22 29 85 72 3 8 157 57 .01 .03 47
4/14 1500 25 29 83 69 6 15 249 58 0 .02 46
4/14 1400 24 32 73 57 8 13 254 63 0 .02 46
4/14 1300 23 30 80 63 9 16 259 59 0 .02 46
4/14 1200 26 30 76 64 8 15 301 59 .01 .02 47
4/14 1100 23 28 77 67 7 14 289 56 0 .01 47
4/14 1000 23 28 78 64 8 15 320 56 0 .01 47
4/14 900 20 25 91 67 6 12 301 51 0 .01 48
4/14 800 18 25 95 74 8 17 275 50 0 .01 47
4/14 700 18 25 97 78 3 7 234 50 0 .01 46
4/14 600 17 23 97 83 4 13 258 47 0 .01 47
4/14 500 17 23 97 87 4 15 282 44 .01 .01 47

4/14 400 18 23 97 89 3 5 263 47 0 .03 47
4/14 300 17 23 98 84 3 10 258 46 0 .03 47
4/14 200 17 23 96 79 4 16 253 47 0 .03 47
4/14 100 18 24 98 88 7 11 250 49 0 .03 47
4/14 0 19 25 98 87 9 15 240 50 0 .03 47
4/13 2300 22 27 98 92 9 12 231 51 0 .03 47
4/13 2200 22 28 98 94 6 11 237 53 0 .03 46
4/13 2100 23 29 100 94 9 16 242 53 .01 .03 44
4/13 2000 25 30 100 96 10 13 234 54 0 .02 47
4/13 1900 26 31 100 95 8 10 240 55 .01 .02 47
4/13 1800 27 32 100 93 11 16 236 59 .01 .01 47
4/13 1700 27 33 100 89 10 13 230 61 0 0 47
4/13 1600 28 35 98 81 9 13 218 65 0 0 47
4/13 1500 29 37 89 73 10 14 223 70 0 0 46
4/13 1400 28 35 99 80 8 13 216 67 0 0 47
4/13 1300 30 40 86 63 7 11 170 74 0 0 47
4/13 1200 30 38 83 66 10 13 171 73 0 0 46
4/13 1100 27 34 85 76 9 15 189 65 0 0 47
4/13 1000 25 32 84 73 5 17 150 62 0 0 48
4/13 900 26 30 85 75 5 9 19 59 0 0 48
4/13 800 24 28 86 84 4 11 196 56 0 0 48
4/13 700 22 26 90 90 2 7 288 53 0 0 49
4/13 600 22 21 94 95 4 7 208 48 0 0 49
4/13 500 21 19 91 97 6 8 182 45 0 0 49

4/13 400 22 19 91 97 9 14 178 45 0 .05 49
4/13 300 22 19 95 93 10 15 186 44 0 .05 49
4/13 200 22 20 98 94 9 14 198 46 0 .05 49
4/13 100 22 22 98 94 4 11 213 48 0 .05 49
4/13 0 22 24 99 93 6 11 202 50 .01 .05 49
4/12 2300 21 22 98 93 9 11 206 50 0 .04 48
4/12 2200 20 21 98 92 7 9 206 48 0 .04 48
4/12 2100 20 23 98 90 5 8 209 49 0 .04 48
4/12 2000 20 25 98 88 7 11 223 51 0 .04 48
4/12 1900 21 27 98 82 6 9 229 54 0 .04 48
4/12 1800 22 29 98 78 5 8 227 56 0 .04 48
4/12 1700 24 29 97 75 7 11 222 58 0 .04 47
4/12 1600 24 31 98 73 9 11 224 61 .01 .04 48
4/12 1500 25 33 97 65 8 11 225 69 0 .03 47
4/12 1400 27 35 98 58 7 9 227 70 0 .03 46
4/12 1300 24 32 99 69 8 10 222 65 0 .03 48
4/12 1200 24 28 98 80 8 13 221 61 .01 .03 49
4/12 1100 23 29 98 76 9 11 223 61 0 .02 49
4/12 1000 23 28 98 77 6 10 231 60 0 .02 47
4/12 900 23 27 98 77 5 8 226 59 0 .02 48
4/12 800 21 25 98 81 5 7 234 54 0 .02 48
4/12 700 17 22 97 89 7 13 250 51 .01 .02 210
4/12 600 16 21 97 92 8 11 251 48 0 .01 46
4/12 500 16 21 97 92 6 8 250 47 .01 .01 47

4/12 400 15 20 97 91 5 11 265 47 0 .22 50
4/12 300 15 20 97 89 7 11 257 46 0 .22 50
4/12 200 17 21 97 88 8 16 247 46 .02 .22 48
4/12 100 18 23 98 94 7 10 239 49 .01 .2 49
4/12 0 17 23 98 94 7 14 235 50 .05 .19 46
4/11 2300 17 22 98 94 7 10 245 48 .01 .14 48
4/11 2200 17 22 97 93 6 9 254 48 .01 .13 47
4/11 2100 17 22 97 92 7 10 245 47 .01 .12 48
4/11 2000 17 22 97 88 6 10 253 47 0 .11 46
4/11 1900 17 23 97 86 8 17 256 44 0 .11 48
4/11 1800 19 24 98 89 10 17 230 47 .02 .11 47
4/11 1700 20 25 98 92 7 15 236 51 .03 .09 46
4/11 1600 22 27 98 84 6 11 229 56 0 .06 46
4/11 1500 23 30 97 74 5 9 213 62 .01 .06 46
4/11 1400 23 28 98 74 7 10 215 59 0 .05 46
4/11 1300 25 30 97 75 6 13 228 62 .04 .05 46
4/11 1200 22 28 97 85 6 10 229 59 0 .01 44
4/11 1100 25 31 94 72 8 12 230 65 0 .01 46
4/11 1000 23 30 96 77 6 11 234 62 .01 .01 46
4/11 900 22 27 96 83 7 12 231 56 0 0 45
4/11 800 20 26 97 83 7 13 229 54 0 0 46
4/11 700 18 24 97 82 6 11 250 49 0 0 46
4/11 600 17 22 97 88 8 13 233 44 0 0 47
4/11 500 18 24 97 90 8 12 248 47 0 0 47

4/11 400 19 25 98 92 10 20 252 47 .01 .19 47
4/11 300 22 27 100 94 12 19 245 49 0 .18 47
4/11 200 24 29 100 96 11 19 239 49 .05 .18 46
4/11 100 25 30 100 97 16 21 223 51 .04 .13 43
4/11 0 25 30 100 97 16 23 224 52 .01 .09 44
4/10 2300 26 30 100 96 19 23 226 53 .01 .08 45
4/10 2200 25 31 100 96 17 20 221 52 0 .07 45
4/10 2100 26 31 100 96 17 22 226 52 .01 .07 45
4/10 2000 26 31 100 97 17 24 222 54 .02 .06 45
4/10 1900 27 31 100 97 13 17 226 55 .02 .04 45
4/10 1800 26 32 100 93 12 16 228 57 .01 .02 45
4/10 1700 27 34 94 77 16 23 222 60 0 .01 45
4/10 1600 32 39 66 49 15 21 242 67 0 .01 45
4/10 1500 35 42 52 39 13 18 232 71 0 .01 44
4/10 1400 35 42 58 45 12 17 229 73 0 .01 44
4/10 1300 35 43 59 44 11 15 226 72 0 .01 44
4/10 1200 35 42 61 46 11 16 227 74 0 .01 44
4/10 1100 35 43 59 45 9 13 223 77 0 .01 44
4/10 1000 37 40 54 51 9 14 233 72 0 .01 45
4/10 900 32 36 72 68 8 14 219 64 0 .01 45
4/10 800 30 34 82 80 10 16 214 62 0 .01 45
4/10 700 29 28 83 92 11 14 220 57 .01 .01 45
4/10 600 28 26 85 95 12 18 218 53 0 0 45
4/10 500 28 27 86 93 11 14 222 52 0 0 45

4/10 400 28 27 89 93 8 10 234 54 .01 .05 45
4/10 300 28 28 89 92 7 9 233 55 0 .04 45
4/10 200 29 28 87 93 9 11 223 56 0 .04 45
4/10 100 29 27 82 92 9 14 213 54 0 .04 45
4/10 0 28 26 84 93 8 11 197 53 0 .04 45
4/9 2300 29 27 83 92 10 12 178 53 .01 .04 45
4/9 2200 29 28 82 91 5 13 162 54 0 .03 45
4/9 2100 29 29 85 89 3 9 203 55 0 .03 45
4/9 2000 30 30 83 89 8 16 191 55 .01 .03 45
4/9 1900 31 31 75 82 7 12 194 58 0 .02 45
4/9 1800 31 36 81 73 9 13 197 63 0 .02 45
4/9 1700 33 37 80 71 12 19 218 64 0 .02 45
4/9 1600 33 39 69 58 10 20 53 69 0 .02 45
4/9 1500 35 46 58 39 10 15 40 79 0 .02 44
4/9 1400 35 44 56 40 7 15 98 75 0 .02 45
4/9 1300 36 43 49 39 12 21 11 75 0 .02 45
4/9 1200 35 42 52 38 12 20 27 72 0 .02 45
4/9 1100 36 45 46 33 14 20 10 79 0 .02 45
4/9 1000 34 42 42 38 9 17 19 77 0 .02 45
4/9 900 36 37 37 40 7 13 25 62 .01 .02 45
4/9 800 35 28 38 83 7 13 28 55 0 .01 45
4/9 700 34 22 39 96 6 10 18 50 0 .01 45
4/9 600 31 20 44 95 7 9 18 48 0 .01 45
4/9 500 31 20 47 96 7 8 25 48 .01 .01 45

4/9 400 31 20 49 96 4 6 21 49 0 .03 45
4/9 300 31 21 55 95 2 6 29 49 0 .03 45
4/9 200 31 22 59 95 5 7 10 50 0 .03 45
4/9 100 30 22 65 97 4 8 9 51 .01 .03 45
4/9 0 29 24 69 95 2 7 344 52 0 .02 45
4/8 2300 29 25 73 94 0 3 61 53 0 .02 45
4/8 2200 30 26 74 93 1 6 58 53 .01 .02 45
4/8 2100 30 27 70 93 5 9 322 55 0 .01 45
4/8 2000 30 28 73 91 8 12 249 55 0 .01 45
4/8 1900 31 29 68 89 6 9 251 58 0 .01 45
4/8 1800 31 34 78 82 3 6 225 64 0 .01 45
4/8 1700 33 37 72 72 4 9 263 65 0 .01 45
4/8 1600 29 33 80 87 5 12 250 62 .01 .01 44
4/8 1500 28 34 97 88 11 25 27 64 0 0 45
4/8 1400 38 46 47 40 4 9 259 91 0 0 44
4/8 1300 39 39 47 57 4 10 216 75 0 0 45
4/8 1200 33 45 63 42 4 7 142 87 0 0 45
4/8 1100 38 44 55 48 4 7 167 83 0 0 44
4/8 1000 35 36 67 65 3 9 95 70 0 0 46
4/8 900 33 30 73 93 1 4 111 57 0 0 46
4/8 800 34 26 66 97 0 4 18 53 0 0 46
4/8 700 29 20 71 95 2 6 4 47 0 0 46
4/8 600 26 19 87 95 3 6 7 46 0 0 46
4/8 500 25 19 87 94 1 6 7 45 0 0 46

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'