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10-20-2017
Northwest Avalanche Center
Washington Department of Transportation
Snoqualmie Pass, Washington

3770' temp above Lake Keechelus
Wind instruments removed for service
Total snow may measure vegetation before there is snowcover
MM/DD Hour
PST
Temp
F
3760'
Temp
F
3770'
Temp
F
3010'
RH
%
3010'
Wind
Avg
3760'
Wind
Max
3760'
Wind
Dir
3760'
Hour
Prec.
3010'
Total
Prec.
3010'
24 Hr
Snow
3010'
Total
Snow
3010'
Press
mb
3010'

10/20 1300 34 36 39 94 0 0 328 .01 1.57 0 2 1008
10/20 1200 34 36 40 94 0 0 307 0 1.56 0 3 1008
10/20 1100 33 35 38 96 0 0 301 .02 1.56 0 3 1008
10/20 1000 32 34 34 97 0 0 302 .07 1.54 0 3 1007
10/20 900 32 33 33 97 0 0 307 .15 1.47 0 3 1007
10/20 800 34 33 34 97 0 0 322 .1 1.32 0 3 1006
10/20 700 34 34 35 97 0 0 323 .06 1.22 0 3 1005
10/20 600 34 34 35 97 0 0 320 .06 1.16 0 4 1004
10/20 500 33 33 35 97 0 0 324 .11 1.1 0 5 1004

10/20 400 34 34 36 96 0 0 324 .06 1.83 0 3 1003
10/20 300 35 35 37 96 0 0 321 .05 1.77 0 2 1002
10/20 200 35 34 37 97 0 0 322 .09 1.72 0 2 1002
10/20 100 36 36 38 97 0 0 321 .08 1.63 0 3 1001
10/20 0 37 37 38 97 0 0 318 .08 1.55 0 3 1001
10/19 2300 37 37 38 97 0 0 322 .02 1.47 0 2 1001
10/19 2200 38 37 38 97 0 0 321 .01 1.45 0 2 1001
10/19 2100 36 36 38 97 0 0 319 .04 1.44 0 3 1001
10/19 2000 36 36 38 97 0 0 319 .06 1.4 0 3 1001
10/19 1900 36 36 39 97 0 0 319 .07 1.34 0 3 1001
10/19 1800 38 38 39 96 0 0 325 .07 1.27 0 3 1002
10/19 1700 37 38 39 96 0 0 325 .09 1.2 0 3 1001
10/19 1600 37 38 40 96 0 0 325 .06 1.11 0 3 1001
10/19 1500 37 37 40 96 0 0 326 .1 1.05 0 2 1002
10/19 1400 38 37 40 96 0 0 320 .11 .95 0 2 1002
10/19 1300 39 39 42 96 0 0 317 .11 .84 0 2 1003
10/19 1200 39 40 43 96 0 0 321 .1 .73 0 3 1003
10/19 1100 40 41 43 96 0 0 332 .08 .63 0 2 1004
10/19 1000 40 41 43 97 0 0 329 .09 .55 0 2 1004
10/19 900 40 40 42 96 0 0 324 .07 .46 0 2 1005
10/19 800 41 40 42 94 0 0 325 .11 .39 0 2 1004
10/19 700 41 41 42 96 0 0 329 .07 .28 0 3 1005
10/19 600 41 41 42 97 0 0 326 .13 .21 0 3 1004
10/19 500 41 40 42 97 0 0 318 .08 .08 0 2 1005

10/19 400 41 40 42 97 0 0 316 .08 2.39 0 2 1005
10/19 300 41 40 42 96 0 0 321 .11 2.31 0 2 1005
10/19 200 43 41 44 97 0 0 336 .14 2.2 0 2 1006
10/19 100 45 45 45 97 0 0 341 .17 2.06 0 2 1005
10/19 0 45 46 46 97 0 0 293 .2 1.89 0 3 1005
10/18 2300 46 46 47 97 0 0 250 .16 1.69 0 3 1005
10/18 2200 48 47 48 97 0 0 145 .21 1.53 0 2 1005
10/18 2100 49 48 48 97 0 0 0 .21 1.32 0 2 1005
10/18 2000 49 48 45 98 0 0 0 .18 1.11 0 2 1005
10/18 1900 50 44 38 97 0 0 -7999 .04 .93 0 3 1006
10/18 1800 48 39 38 97 0 0 -7999 0 .89 0 4 1006
10/18 1700 41 38 38 97 0 0 -7999 0 .89 0 4 1007
10/18 1600 36 37 38 97 0 0 -7999 0 .89 0 4 1008
10/18 1500 36 36 38 97 0 0 -7999 .05 .89 0 4 1009
10/18 1400 35 36 37 96 0 0 -7999 .14 .84 0 3 1010
10/18 1300 34 36 37 96 0 0 0 .17 .7 0 3 1011
10/18 1200 34 35 37 96 0 0 0 .26 .53 0 3 1012
10/18 1100 33 35 37 95 0 0 0 .17 .27 0 4 1013
10/18 1000 33 35 37 94 0 0 -7999 .08 .1 0 3 1014
10/18 900 33 34 37 95 0 0 -7999 .02 .02 0 6 1014
10/18 800 36 34 35 96 0 0 -7999 0 0 0 6 1014
10/18 700 36 34 35 97 0 0 -7999 0 0 0 6 1015
10/18 600 36 35 34 97 0 0 -7999 0 0 0 5 1015
10/18 500 35 34 33 97 0 0 -7999 0 0 0 5 1015

10/18 400 35 35 34 97 0 0 -7999 0 .63 0 4 1016
10/18 300 36 35 34 97 0 0 -7999 0 .63 0 10 1017
10/18 200 36 35 34 96 0 0 -7999 0 .63 0 7 1018
10/18 100 36 36 35 96 0 0 -7999 0 .63 0 4 1018
10/18 0 37 37 36 96 0 0 -7999 0 .63 0 4 1018
10/17 2300 37 37 36 96 0 0 -7999 0 .63 0 3 1019
10/17 2200 37 37 37 95 0 0 -7999 0 .63 0 12 1019
10/17 2100 37 38 38 94 0 0 -7999 0 .63 0 5 1019
10/17 2000 38 38 39 94 0 0 -7999 0 .63 0 2 1019
10/17 1900 39 39 40 94 0 0 -7999 0 .63 0 3 1019
10/17 1800 40 39 42 87 0 0 -7999 0 .63 0 4 1019
10/17 1700 40 39 43 73 0 0 -7999 0 .63 0 4 1019
10/17 1600 40 40 43 76 0 0 -7999 0 .63 0 5 1019
10/17 1500 41 41 43 85 0 0 -7999 0 .63 0 3 1019
10/17 1400 42 42 44 94 0 0 -7999 0 .63 0 2 1019
10/17 1300 42 42 44 86 0 0 -7999 0 .63 0 4 1018
10/17 1200 42 41 44 91 0 0 -7999 .12 .63 0 3 1017
10/17 1100 44 43 45 94 0 0 -7999 .19 .51 0 3 1016
10/17 1000 47 46 48 94 0 0 -7999 .23 .32 0 2 1015
10/17 900 47 49 48 93 0 0 -7999 .05 .09 0 2 1014
10/17 800 49 47 47 90 0 0 -7999 .04 .04 0 2 1014
10/17 700 50 50 50 55 0 0 -7999 0 0 0 4 1015
10/17 600 52 52 53 35 0 0 -7999 0 0 0 14 1015
10/17 500 53 53 54 29 0 0 -7999 0 0 0 5 1015

10/17 400 53 53 51 44 0 0 -7999 0 0 0 5 1016
10/17 300 54 54 52 53 0 0 -7999 0 0 0 4 1017
10/17 200 54 53 47 66 0 0 -7999 0 0 0 4 1017
10/17 100 54 53 42 82 0 0 -7999 0 0 0 4 1018
10/17 0 53 53 42 81 0 0 -7999 0 0 0 4 1018
10/16 2300 54 53 44 75 0 0 -7999 0 0 0 5 1019
10/16 2200 53 53 45 75 0 0 -7999 0 0 0 3 1019
10/16 2100 53 52 46 72 0 0 -7999 0 0 0 4 1020
10/16 2000 52 52 46 69 0 0 -7999 0 0 0 3 1020
10/16 1900 51 53 46 71 0 0 -7999 0 0 0 4 1020
10/16 1800 53 53 47 72 0 0 -7999 0 0 0 4 1021
10/16 1700 53 54 49 73 0 0 -7999 0 0 0 3 1021
10/16 1600 54 54 53 67 0 0 -7999 0 0 0 2 1021
10/16 1500 56 56 58 49 0 0 -7999 0 0 0 2 1021
10/16 1400 57 60 63 27 0 0 -7999 0 0 0 14 1021
10/16 1300 56 58 63 27 0 0 -7999 0 0 0 13 1021
10/16 1200 54 57 60 35 0 0 -7999 0 0 0 14 1022
10/16 1100 53 55 55 67 0 0 -7999 0 0 0 12 1023
10/16 1000 53 53 52 76 0 0 -7999 0 0 0 9 1023
10/16 900 54 50 46 92 0 0 -7999 0 0 0 2 1023
10/16 800 51 48 38 98 0 0 -7999 0 0 0 0 1024
10/16 700 49 49 35 98 0 0 -7999 0 0 29 3 1024
10/16 600 49 48 34 98 0 0 -7999 0 0 29 2 1024
10/16 500 49 49 34 98 0 0 -7999 0 0 0 3 1024

10/16 400 49 48 34 98 0 0 -7999 0 0 0 3 1024
10/16 300 49 48 34 98 0 0 -7999 0 0 29 2 1024
10/16 200 49 49 35 97 0 0 -7999 0 0 0 2 1024
10/16 100 49 46 35 97 0 0 -7999 0 0 0 3 1024
10/16 0 49 45 35 97 0 0 -7999 0 0 0 3 1024
10/15 2300 48 46 36 97 0 0 -7999 0 0 0 0 1024
10/15 2200 47 46 36 97 0 0 -7999 0 0 0 4 1025
10/15 2100 47 46 36 96 0 0 -7999 0 0 0 2 1025
10/15 2000 47 45 37 95 0 0 -7999 0 0 0 3 1025
10/15 1900 47 46 38 95 0 0 -7999 0 0 0 2 1025
10/15 1800 48 47 40 92 0 0 -7999 0 0 0 3 1024
10/15 1700 48 48 43 88 0 0 -7999 0 0 0 3 1024
10/15 1600 48 51 49 75 0 0 -7999 0 0 0 3 1024
10/15 1500 48 51 54 61 0 0 -7999 0 0 0 3 1024
10/15 1400 46 51 54 64 0 0 -7999 0 0 0 2 1025
10/15 1300 43 48 51 66 0 0 -7999 0 0 0 3 1025
10/15 1200 40 46 50 66 0 0 -7999 0 0 0 3 1026
10/15 1100 39 42 48 73 0 0 -7999 0 0 0 1 1027
10/15 1000 37 39 43 93 0 0 -7999 0 0 0 3 1027
10/15 900 35 37 37 97 0 0 -7999 0 0 29 4 1028
10/15 800 36 35 35 97 0 0 -7999 0 0 0 4 1028
10/15 700 35 34 33 98 0 0 -7999 0 0 0 4 1028
10/15 600 35 34 33 98 0 0 -7999 0 0 0 4 1028
10/15 500 37 35 32 98 0 0 -7999 0 0 29 4 1028

10/15 400 40 36 32 98 0 0 -7999 0 0 29 4 1028
10/15 300 42 40 33 98 0 0 -7999 0 0 29 4 1028
10/15 200 44 42 33 98 0 0 -7999 0 0 0 4 1028
10/15 100 44 42 33 98 0 0 -7999 0 0 0 3 1029
10/15 0 44 42 32 97 0 0 -7999 0 0 0 4 1029
10/14 2300 42 41 32 97 0 0 -7999 0 0 0 4 1029
10/14 2200 41 40 32 97 0 0 -7999 0 0 0 5 1029
10/14 2100 40 40 32 96 0 0 -7999 0 0 0 4 1030
10/14 2000 40 39 33 96 0 0 -7999 0 0 0 4 1030
10/14 1900 40 39 34 95 0 0 -7999 0 0 1 4 1030
10/14 1800 39 39 35 94 0 0 -7999 0 0 1 4 1030
10/14 1700 39 38 37 91 0 0 -7999 0 0 1 3 1030
10/14 1600 39 38 42 83 0 0 -7999 0 0 1 3 1030
10/14 1500 39 39 43 83 0 0 -7999 0 0 1 3 1030
10/14 1400 39 41 46 71 0 0 -7999 0 0 1 2 1030
10/14 1300 39 40 48 67 0 0 -7999 0 0 1 1 1030
10/14 1200 38 39 48 77 0 0 -7999 0 0 1 3 1030
10/14 1100 36 38 42 87 0 0 -7999 0 0 2 3 1031
10/14 1000 35 36 43 85 0 0 -7999 0 0 2 4 1031
10/14 900 33 33 38 92 0 0 -7999 0 0 2 4 1031
10/14 800 32 33 31 96 0 0 -7999 0 0 2 5 1030
10/14 700 31 32 27 96 0 0 -7999 0 0 2 5 1030
10/14 600 31 31 26 96 0 0 -7999 0 0 2 5 1030
10/14 500 31 31 26 96 0 0 -7999 0 0 29 5 1030

10/14 400 31 30 26 96 0 0 -7999 0 .43 2 5 1029
10/14 300 31 30 27 96 0 0 -7999 0 .43 2 5 1029
10/14 200 31 30 27 97 0 0 -7999 0 .43 2 5 1029
10/14 100 31 30 27 97 0 0 -7999 0 .43 2 5 1029
10/14 0 31 30 27 97 0 0 -7999 0 .43 2 5 1028
10/13 2300 31 31 28 97 0 0 -7999 0 .43 2 6 1028
10/13 2200 31 30 29 97 0 0 -7999 0 .43 2 6 1027
10/13 2100 31 30 30 98 0 0 -7999 0 .43 2 6 1027
10/13 2000 31 30 31 97 0 0 -7999 0 .43 2 6 1026
10/13 1900 31 31 32 97 0 0 -7999 0 .43 2 6 1025
10/13 1800 32 31 33 96 0 0 -7999 0 .43 2 6 1024
10/13 1700 32 31 34 95 0 0 -7999 0 .43 2 6 1024
10/13 1600 32 35 35 92 0 0 -7999 .01 .43 2 5 1023
10/13 1500 32 36 36 91 0 0 -7999 .01 .42 3 5 1022
10/13 1400 32 35 38 86 0 0 -7999 0 .41 2 3 1021
10/13 1300 31 35 40 84 0 0 6 .01 .41 3 5 1020
10/13 1200 30 34 38 87 0 0 320 0 .4 3 5 1020
10/13 1100 29 32 37 87 0 0 318 .02 .4 3 4 1020
10/13 1000 28 29 32 95 0 0 333 .16 .38 3 211 1019
10/13 900 31 31 32 95 0 0 329 .07 .22 3 3 1018
10/13 800 31 31 32 96 0 0 329 .03 .15 2 5 1017
10/13 700 31 31 32 95 0 0 329 .04 .12 2 6 1017
10/13 600 31 31 33 94 0 0 325 .03 .08 2 6 1016
10/13 500 32 31 32 98 0 0 321 .05 .05 2 5 1016

10/13 400 31 32 32 98 0 0 328 .08 1.22 2 5 1016
10/13 300 31 32 33 98 0 0 340 .05 1.14 2 5 1016
10/13 200 31 32 32 98 0 0 337 .1 1.09 2 5 1016
10/13 100 32 31 32 97 0 0 333 .01 .99 1 2 1016
10/13 0 32 32 32 97 0 0 333 0 .98 2 1 1016
10/12 2300 32 32 32 97 0 0 335 0 .98 1 3 1016
10/12 2200 32 32 32 97 0 0 335 .03 .98 1 211 1015
10/12 2100 31 32 32 97 0 0 335 .14 .95 1 211 1015
10/12 2000 32 32 32 97 0 0 334 .06 .81 0 4 1015
10/12 1900 32 32 32 97 0 0 336 .01 .75 0 4 1015
10/12 1800 32 32 32 97 0 0 339 0 .74 0 4 1015
10/12 1700 32 32 32 96 0 0 320 .02 .74 0 4 1015
10/12 1600 32 33 34 95 0 0 337 .02 .72 0 3 1015
10/12 1500 32 33 35 93 0 0 340 .04 .7 0 3 1016
10/12 1400 32 32 34 95 0 0 342 .08 .66 0 4 1016
10/12 1300 31 32 33 94 0 0 343 .06 .58 0 3 1016
10/12 1200 31 33 35 94 0 0 342 .04 .52 0 4 1016
10/12 1100 30 33 35 95 0 0 310 .02 .48 0 4 1016
10/12 1000 31 34 34 95 0 0 343 .01 .46 0 5 1017
10/12 900 31 33 34 96 0 0 307 .15 .45 0 -0 1017
10/12 800 31 32 32 97 0 0 299 .2 .3 0 2 1017
10/12 700 31 32 32 97 0 0 295 .09 .1 0 2 1017
10/12 600 32 32 32 97 0 0 326 0 .01 0 2 1017
10/12 500 32 32 32 97 0 0 319 .01 .01 0 1 1017

10/12 400 32 32 32 98 0 0 294 0 .26 0 4 1017
10/12 300 32 31 32 98 0 0 265 0 .26 0 4 1017
10/12 200 32 32 32 98 0 0 271 0 .26 0 4 1018
10/12 100 31 32 32 98 0 0 277 0 .26 0 3 1018
10/12 0 31 32 32 97 0 0 200 0 .26 0 3 1018
10/11 2300 31 31 32 97 0 0 255 0 .26 0 3 1018
10/11 2200 32 32 33 97 0 0 277 0 .26 0 3 1018
10/11 2100 32 32 32 97 0 0 266 0 .26 0 3 1017
10/11 2000 31 32 32 97 0 0 168 .01 .26 0 3 1017
10/11 1900 31 32 32 97 0 0 54 .01 .25 0 4 1017
10/11 1800 32 32 33 96 0 0 0 .02 .24 0 5 1017
10/11 1700 33 32 33 95 0 0 144 .12 .22 0 10 1017
10/11 1600 35 36 38 94 0 0 243 0 .1 0 4 1016
10/11 1500 35 39 39 93 0 0 210 .01 .1 0 16 1016
10/11 1400 34 38 38 92 0 0 246 .02 .09 0 22 1016
10/11 1300 34 37 39 90 0 0 184 .02 .07 0 10 1015
10/11 1200 33 37 38 91 0 0 90 0 .05 0 4 1015
10/11 1100 33 36 39 91 0 0 259 .01 .05 0 17 1015
10/11 1000 33 33 37 94 0 0 192 .01 .04 0 4 1015
10/11 900 32 33 36 95 0 0 -7999 .01 .03 0 15 1015
10/11 800 32 32 34 96 0 0 -7999 .01 .02 0 21 1014
10/11 700 32 32 34 97 0 0 -7999 .01 .01 0 23 1014
10/11 600 32 32 34 97 0 0 -7999 0 0 0 23 1014
10/11 500 31 32 33 97 0 0 -7999 0 0 0 23 1014

10/11 400 31 32 33 97 0 0 -7999 .01 .27 0 23 1013
10/11 300 31 32 34 97 0 0 -7999 .03 .26 0 14 1013
10/11 200 32 32 35 96 0 0 -7999 0 .23 0 4 1013
10/11 100 34 33 35 97 0 0 -7999 .01 .23 0 15 1013
10/11 0 34 34 35 96 0 0 -7999 0 .22 0 5 1013
10/10 2300 34 35 35 96 0 0 -7999 0 .22 0 4 1013
10/10 2200 35 35 36 96 0 0 -7999 0 .22 0 3 1013
10/10 2100 35 35 36 96 0 0 -7999 0 .22 0 3 1013
10/10 2000 36 36 36 95 0 0 -7999 .08 .22 0 4 1013
10/10 1900 37 36 38 95 0 0 -7999 0 .14 0 15 1013
10/10 1800 37 37 39 92 0 0 -7999 .02 .14 0 16 1013
10/10 1700 38 38 39 95 0 0 -7999 .01 .12 0 14 1013
10/10 1600 38 39 41 91 0 0 -7999 .01 .11 0 4 1013
10/10 1500 38 40 41 85 0 0 -7999 0 .1 0 3 1012
10/10 1400 38 39 42 90 0 0 -7999 .04 .1 0 2 1012
10/10 1300 39 40 43 90 0 0 -7999 .06 .06 0 13 1012
10/10 1200 41 42 45 72 0 0 -7999 0 0 0 13 1012
10/10 1100 42 43 47 60 0 0 -7999 0 0 0 18 1012
10/10 1000 41 44 50 56 0 0 -7999 0 0 0 16 1012
10/10 900 41 42 42 79 0 0 -7999 0 0 0 13 1012
10/10 800 42 42 39 84 0 0 -7999 0 0 0 3 1012
10/10 700 41 40 37 88 0 0 -7999 0 0 0 3 1012
10/10 600 41 40 37 88 0 0 -7999 0 0 0 14 1012
10/10 500 40 40 37 89 0 0 -7999 0 0 0 15 1012

MM/DD Hour
PST
Temp
F
3760'
Temp
F
3770'
Temp
F
3010'
RH
%
3010'
Wind
Avg
3760'
Wind
Max
3760'
Wind
Dir
3760'
Hour
Prec.
3010'
Total
Prec.
3010'
24 Hr
Snow
3010'
Total
Snow
3010'
Press
mb
3010'