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4-30-2017
Northwest Avalanche Center
Washington Department of Transportation
Snoqualmie Pass, Washington

3770' temp above Lake Keechelus
Precipitaton gage measurements may be delayed in heavy snow/frozen precipitation
Occasional bad wind dir readings
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'

4/30 2000 33 33 34 97 11 18 188 0 .47 0 54 1024
4/30 1900 34 33 35 95 10 19 197 0 .47 0 60 1024
4/30 1800 33 34 36 94 12 18 254 0 .47 0 207 1024
4/30 1700 34 35 37 92 9 16 279 .01 .47 0 59 1024
4/30 1600 35 35 37 91 18 28 255 .01 .46 0 60 1024
4/30 1500 35 36 38 87 17 29 258 0 .45 0 59 1024
4/30 1400 34 35 39 88 20 28 246 0 .45 0 207 1023
4/30 1300 33 36 41 88 17 25 264 .01 .45 0 60 1023
4/30 1200 33 33 37 89 20 35 207 .06 .44 0 59 1023
4/30 1100 33 35 40 84 18 30 137 .03 .38 0 207 1022
4/30 1000 33 34 37 88 18 26 94 0 .35 0 60 1022
4/30 900 33 33 38 88 17 25 187 .03 .35 0 59 1021
4/30 800 34 33 36 92 15 23 223 .02 .32 0 60 1021
4/30 700 34 33 36 95 17 33 179 .01 .3 0 54 1020
4/30 600 36 34 36 90 27 41 244 .01 .29 0 60 1020
4/30 500 37 35 36 94 23 36 263 .01 .28 0 60 1019

4/30 400 38 37 36 97 23 38 227 .03 .4 0 60 1019
4/30 300 39 38 38 98 23 36 237 .03 .37 0 60 1019
4/30 200 39 38 37 97 16 29 195 .05 .34 0 60 1018
4/30 100 39 38 36 98 15 23 204 .01 .29 0 60 1018
4/30 0 39 39 37 98 15 24 214 .01 .28 0 60 1018
4/29 2300 40 39 37 97 18 31 207 .04 .27 0 62 1018
4/29 2200 39 39 37 97 12 20 164 .05 .23 0 207 1018
4/29 2100 38 37 36 97 6 14 81 .05 .18 0 60 1019
4/29 2000 38 36 37 97 6 12 77 .08 .13 0 59 1019
4/29 1900 39 37 37 96 8 15 132 .02 .05 0 102 1019
4/29 1800 38 38 38 94 3 9 176 .02 .03 0 207 1020
4/29 1700 39 39 39 89 10 25 237 .01 .01 0 -165 1020
4/29 1600 42 42 43 66 16 30 296 0 0 0 76 1021
4/29 1500 44 45 46 66 2 6 265 0 0 0 207 1021
4/29 1400 43 44 48 56 4 11 167 0 0 0 207 1021
4/29 1300 42 44 49 52 14 21 -7999 0 0 0 60 1021
4/29 1200 42 44 48 51 5 11 -7999 0 0 0 61 1021
4/29 1100 40 43 48 51 4 7 -7999 0 0 0 53 1022
4/29 1000 38 43 48 56 6 8 103 0 0 0 207 1023
4/29 900 37 40 43 71 8 14 -7999 0 0 0 61 1023
4/29 800 40 40 41 67 2 11 -7999 0 0 0 207 1023
4/29 700 39 38 41 83 0 2 -7999 0 0 0 55 1023
4/29 600 36 36 30 98 2 6 181 0 0 0 61 1023
4/29 500 35 34 29 98 6 9 278 0 0 0 62 1024

4/29 400 34 34 29 98 7 14 239 0 .04 0 62 1024
4/29 300 35 34 30 98 8 14 276 0 .04 0 207 1024
4/29 200 35 34 30 98 8 16 261 0 .04 0 62 1024
4/29 100 37 35 30 98 8 15 308 0 .04 0 207 1024
4/29 0 37 34 30 97 9 15 302 0 .04 0 61 1024
4/28 2300 37 34 31 97 9 16 315 0 .04 0 207 1025
4/28 2200 36 35 32 96 11 15 322 0 .04 0 61 1025
4/28 2100 37 35 33 95 9 15 308 0 .04 0 61 1025
4/28 2000 37 36 34 95 8 13 314 0 .04 0 61 1025
4/28 1900 37 36 36 91 10 12 264 0 .04 0 61 1025
4/28 1800 38 37 40 81 15 29 230 0 .04 0 61 1025
4/28 1700 37 40 41 78 15 21 181 .01 .04 0 61 1025
4/28 1600 38 40 42 74 16 23 205 0 .03 0 63 1025
4/28 1500 36 41 42 76 13 22 216 0 .03 0 207 1025
4/28 1400 35 40 44 79 13 20 196 .01 .03 0 207 1025
4/28 1300 33 39 43 75 14 20 167 .02 .02 0 55 1025
4/28 1200 33 39 42 73 14 18 117 0 0 0 61 1025
4/28 1100 32 38 40 78 14 19 73 0 0 0 57 1024
4/28 1000 33 36 42 70 10 17 112 0 0 0 207 1024
4/28 900 32 34 41 80 10 18 140 0 0 0 62 1024
4/28 800 32 33 42 89 10 16 151 0 0 0 61 1024
4/28 700 30 31 35 95 10 18 204 0 0 0 62 1024
4/28 600 30 30 32 98 12 19 142 0 0 0 63 1023
4/28 500 30 30 31 98 11 18 172 0 0 0 -165 1022

(some missing data for this range)
4/28 200 31 30 32 98 13 19 182 0 .33 0 63 1021
4/28 100 31 30 32 98 15 20 161 0 .33 0 207 1020
4/28 0 31 30 32 98 12 17 220 0 .33 0 63 1020
4/27 2300 31 30 32 97 11 18 283 0 .33 0 63 1020
4/27 2200 31 30 32 97 11 19 301 0 .33 0 63 1019
4/27 2100 32 30 33 97 13 20 253 0 .33 0 63 1019
4/27 2000 31 31 33 97 11 18 246 0 .33 0 58 1018
4/27 1900 32 32 33 96 11 17 209 .02 .33 0 207 1018
4/27 1800 32 32 32 96 9 22 301 .1 .31 0 62 1017
4/27 1700 31 32 35 94 11 22 271 .07 .21 0 62 1017
4/27 1600 32 33 35 87 14 27 229 .02 .14 0 63 1017
4/27 1500 33 35 41 70 13 23 264 0 .12 0 207 1017
4/27 1400 32 33 41 81 13 23 257 0 .12 0 207 1017
4/27 1300 32 34 40 82 16 29 277 .01 .12 0 207 1017
4/27 1200 32 34 39 87 13 23 213 0 .11 0 207 1016
4/27 1100 31 35 43 81 15 22 222 .01 .11 0 57 1016
4/27 1000 31 34 38 89 14 22 171 0 .1 2 63 1016
4/27 900 31 32 39 87 12 16 162 .02 .1 2 64 1016
4/27 800 30 31 36 93 12 17 203 .01 .08 3 207 1016
4/27 700 30 31 34 96 11 17 233 .01 .07 2 65 1016
4/27 600 30 29 32 98 10 17 -7999 .03 .06 2 64 1015
4/27 500 30 29 31 98 13 18 166 .03 .03 0 207 1015

4/27 400 30 29 32 98 14 20 140 .03 .69 1 64 1015
4/27 300 30 30 32 98 13 18 217 .02 .66 0 61 1014
4/27 200 30 30 32 98 14 26 149 .03 .64 0 58 1014
4/27 100 30 30 32 98 9 17 184 .03 .61 0 62 1014
4/27 0 31 30 32 97 12 19 177 .03 .58 0 62 1014
4/26 2300 31 30 32 96 20 39 198 .02 .55 0 206 1013
4/26 2200 31 30 32 95 21 39 209 .04 .53 0 57 1013
4/26 2100 32 31 33 90 27 42 290 0 .49 0 63 1013
4/26 2000 32 32 33 97 23 49 236 .04 .49 0 63 1012
4/26 1900 34 34 33 96 18 26 179 .11 .45 0 63 1012
4/26 1800 35 36 35 94 21 37 220 .05 .34 0 207 1011
4/26 1700 38 37 39 75 21 42 262 0 .29 0 62 1011
4/26 1600 37 40 41 79 15 31 225 0 .29 0 207 1010
4/26 1500 36 38 40 89 20 40 225 .02 .29 0 207 1010
4/26 1400 37 38 41 80 20 32 217 .01 .27 0 207 1010
4/26 1300 36 38 42 84 17 29 211 0 .26 0 207 1010
4/26 1200 36 36 42 87 13 22 172 .03 .26 0 62 1010
4/26 1100 35 35 42 86 12 22 167 .06 .23 0 63 1010
4/26 1000 36 36 39 91 14 31 142 .02 .17 0 207 1010
4/26 900 35 35 38 94 6 12 128 .05 .15 0 207 1009
4/26 800 34 35 36 96 8 17 173 .08 .1 0 207 1009
4/26 700 34 34 37 97 8 26 154 .02 .02 0 59 1009
4/26 600 36 34 35 96 16 29 235 0 0 0 64 1009
4/26 500 36 34 35 97 19 42 212 0 0 0 64 1008

4/26 400 36 35 35 97 20 33 147 .07 .53 0 66 1009
4/26 300 37 36 36 98 21 35 196 .04 .46 0 59 1009
4/26 200 37 37 35 98 18 28 188 .07 .42 0 207 1009
4/26 100 37 36 35 97 10 20 134 .06 .35 0 58 1009
4/26 0 35 34 35 97 6 8 106 .1 .29 0 65 1009
4/25 2300 35 34 36 97 7 10 118 .08 .19 0 64 1009
4/25 2200 35 35 36 97 6 8 125 .05 .11 0 64 1009
4/25 2100 36 35 36 96 7 8 108 .02 .06 0 59 1009
4/25 2000 38 36 36 96 6 9 153 0 .04 0 80 1009
4/25 1900 39 38 38 92 5 11 155 .02 .04 0 207 1010
4/25 1800 40 40 40 82 2 6 76 0 .02 0 64 1009
4/25 1700 40 42 44 68 6 11 -7999 0 .02 0 59 1010
4/25 1600 41 43 48 59 7 11 159 0 .02 0 207 1010
4/25 1500 40 42 49 58 10 14 142 0 .02 0 63 1011
4/25 1400 39 44 51 53 11 19 100 0 .02 0 63 1012
4/25 1300 39 42 52 48 9 16 108 0 .02 0 -166 1012
4/25 1200 36 43 49 57 10 16 137 0 .02 0 207 1013
4/25 1100 34 41 43 73 2 6 304 0 .02 0 64 1013
4/25 1000 33 40 46 76 8 13 67 0 .02 0 102 1013
4/25 900 32 38 43 80 6 11 126 0 .02 0 207 1013
4/25 800 32 35 40 93 8 12 163 .01 .02 0 207 1014
4/25 700 31 34 36 96 9 13 135 .01 .01 0 207 1014
4/25 600 32 33 35 97 7 9 95 0 0 0 66 1014
4/25 500 33 33 34 98 6 11 18 0 0 0 66 1013

4/25 400 33 33 34 97 6 9 136 0 .18 0 66 1013
4/25 300 34 33 34 98 7 12 150 0 .18 0 82 1014
4/25 200 34 33 35 97 7 13 251 0 .18 0 66 1014
4/25 100 34 34 35 97 8 13 84 0 .18 0 66 1013
4/25 0 35 34 35 97 11 18 191 0 .18 0 61 1013
4/24 2300 35 35 35 97 14 23 263 0 .18 0 66 1013
4/24 2200 36 35 36 97 14 22 229 .03 .18 0 66 1012
4/24 2100 36 36 36 97 12 19 169 .02 .15 0 66 1012
4/24 2000 36 36 36 96 13 17 229 .01 .13 0 206 1011
4/24 1900 37 36 37 95 13 18 142 .02 .12 0 67 1010
4/24 1800 37 37 40 93 13 18 96 .01 .1 0 207 1009
4/24 1700 38 38 40 93 13 16 145 0 .09 0 66 1008
4/24 1600 37 38 41 92 10 16 210 .03 .09 0 207 1007
4/24 1500 38 38 41 92 7 11 265 .05 .06 0 207 1007
4/24 1400 39 43 45 78 10 15 106 0 .01 0 207 1006
4/24 1300 40 43 45 76 5 10 262 .01 .01 0 207 1006
4/24 1200 40 42 45 65 3 7 182 0 0 0 65 1005
4/24 1100 40 41 48 62 3 6 141 0 0 0 207 1005
4/24 1000 37 38 51 57 5 7 127 0 0 0 207 1005
4/24 900 35 37 41 86 5 7 127 0 0 0 207 1005
4/24 800 33 34 40 87 7 10 113 0 0 0 66 1006
4/24 700 33 33 38 95 5 9 135 0 0 0 67 1006
4/24 600 33 32 32 97 2 4 183 0 0 0 67 1006
4/24 500 33 32 32 98 0 3 242 0 0 0 67 1006

4/24 400 33 32 33 97 0 0 252 .01 .35 4 67 1007
4/24 300 34 32 33 97 0 0 313 .01 .34 2 67 1007
4/24 200 34 32 33 97 0 0 311 .02 .33 2 67 1007
4/24 100 33 32 33 97 1 5 272 .01 .31 2 62 1008
4/24 0 33 32 33 97 2 5 214 .01 .3 2 67 1009
4/23 2300 33 33 34 97 3 6 147 .03 .29 2 102 1009
4/23 2200 33 33 34 97 3 11 107 .02 .26 2 67 1010
4/23 2100 33 33 35 97 7 16 117 .03 .24 3 67 1010
4/23 2000 35 34 36 95 12 23 143 .01 .21 2 67 1010
4/23 1900 35 34 36 96 13 28 168 .01 .2 3 61 1010
4/23 1800 36 35 37 94 18 31 168 .01 .19 2 67 1010
4/23 1700 37 36 39 92 9 17 119 .04 .18 2 207 1010
4/23 1600 37 37 40 90 7 17 155 .02 .14 2 67 1010
4/23 1500 37 38 41 90 4 9 218 .05 .12 2 67 1010
4/23 1400 38 40 40 86 4 8 312 .01 .07 2 207 1011
4/23 1300 39 42 44 72 2 5 136 0 .06 0 67 1011
4/23 1200 38 40 44 72 2 5 141 0 .06 1 61 1011
4/23 1100 39 39 41 87 2 7 216 .02 .06 2 62 1012
4/23 1000 38 40 47 79 1 4 147 0 .04 0 67 1012
4/23 900 37 39 43 91 2 5 111 0 .04 2 67 1012
4/23 800 35 37 41 91 3 5 117 0 .04 2 68 1012
4/23 700 35 35 38 97 1 4 153 0 .04 3 68 1012
4/23 600 35 34 34 98 3 4 168 .01 .04 1 68 1013
4/23 500 35 34 34 98 2 5 197 .03 .03 0 63 1013

4/23 400 36 35 34 98 2 8 167 0 .42 0 70 1013
4/23 300 36 35 34 98 3 8 162 0 .42 0 -165 1014
4/23 200 36 35 34 98 3 8 223 .02 .42 0 68 1014
4/23 100 36 35 35 98 7 13 264 .01 .4 0 207 1014
4/23 0 36 35 35 98 5 11 170 .02 .39 0 68 1015
4/22 2300 37 36 35 97 4 8 261 .02 .37 1 70 1015
4/22 2200 36 36 35 97 2 7 165 0 .35 1 207 1015
4/22 2100 36 36 35 97 9 21 118 .01 .35 2 68 1015
4/22 2000 37 36 36 97 14 26 214 .08 .34 0 68 1015
4/22 1900 37 36 37 96 8 15 177 .02 .26 0 68 1015
4/22 1800 38 37 38 96 11 19 190 .12 .24 0 68 1015
4/22 1700 39 39 40 94 11 30 188 .01 .12 2 -165 1014
4/22 1600 41 40 41 91 20 53 147 .07 .11 0 68 1014
4/22 1500 42 41 43 89 4 10 125 .02 .04 0 68 1013
4/22 1400 42 43 44 82 5 10 91 .02 .02 -0 68 1013
4/22 1300 44 43 50 53 6 15 115 0 0 0 68 1012
4/22 1200 44 45 49 57 8 18 106 0 0 -0 207 1012
4/22 1100 45 43 44 67 7 15 112 0 0 0 84 1012
4/22 1000 42 44 45 62 10 16 144 0 0 -0 207 1010
4/22 900 43 42 42 69 14 28 123 0 0 -0 207 1011
4/22 800 42 42 43 62 13 20 149 0 0 -0 207 1012
4/22 700 43 40 41 73 17 26 114 0 0 0 63 1012
4/22 600 41 42 37 78 16 24 108 0 0 -0 207 1013
4/22 500 41 42 37 80 14 23 116 0 0 -0 69 1014

4/22 400 42 42 38 76 20 32 117 0 0 -0 69 1015
4/22 300 42 41 39 73 21 32 111 0 0 -0 69 1016
4/22 200 43 41 40 70 25 35 107 0 0 -0 69 1017
4/22 100 44 41 41 67 28 39 103 0 0 -0 207 1018
4/22 0 44 43 42 63 28 41 106 0 0 -0 207 1019
4/21 2300 44 43 40 69 30 41 103 0 0 -0 -165 1019
4/21 2200 44 43 41 67 21 35 104 0 0 0 86 1020
4/21 2100 45 43 44 56 22 45 116 0 0 -0 69 1020
4/21 2000 46 45 47 48 28 41 111 0 0 0 70 1021
4/21 1900 46 45 45 52 23 38 110 0 0 -0 69 1021
4/21 1800 48 46 49 42 23 40 118 0 0 -0 207 1021
4/21 1700 48 48 52 34 21 41 116 0 0 -0 69 1021
4/21 1600 49 48 53 36 22 38 122 0 0 -0 70 1022
4/21 1500 48 49 55 38 24 40 129 0 0 0 207 1023
4/21 1400 48 51 55 35 14 28 100 0 0 -0 69 1024
4/21 1300 47 51 55 37 12 20 101 0 0 -0 85 1024
4/21 1200 45 49 56 38 15 24 120 0 0 0 207 1025
4/21 1100 42 47 56 44 17 22 120 0 0 -0 69 1025
4/21 1000 38 43 54 56 10 22 118 0 0 -0 71 1026
4/21 900 36 37 47 69 5 8 124 0 0 -0 85 1026
4/21 800 33 34 49 73 5 7 122 0 0 -0 207 1027
4/21 700 32 33 34 96 2 5 200 0 0 -0 87 1027
4/21 600 30 32 31 98 0 1 342 0 0 -0 71 1027
4/21 500 30 32 32 97 2 4 209 0 0 -0 207 1027

4/21 400 30 32 33 97 4 9 101 0 .47 -0 71 1027
4/21 300 30 32 34 97 8 12 75 0 .47 -0 207 1027
4/21 200 32 33 34 97 7 11 201 0 .47 -0 207 1028
4/21 100 33 33 34 97 10 14 208 0 .47 -0 207 1027
4/21 0 34 33 34 97 9 14 182 .01 .47 -0 207 1028
4/20 2300 34 34 34 97 9 17 205 .01 .46 -0 207 1027
4/20 2200 35 34 35 97 7 11 162 .01 .45 -0 71 1027
4/20 2100 35 34 34 97 5 8 159 .01 .44 -0 207 1026
4/20 2000 34 34 35 97 10 22 124 .06 .43 -0 71 1026
4/20 1900 35 35 36 97 5 13 205 .03 .37 -0 71 1025
4/20 1800 36 35 37 95 11 15 159 .08 .34 -0 207 1025
4/20 1700 37 36 39 93 9 19 167 .01 .26 -0 207 1024
4/20 1600 38 36 40 90 13 28 252 .03 .25 -1 207 1024
4/20 1500 37 42 46 88 10 19 191 .01 .22 -0 207 1023
4/20 1400 36 40 45 88 8 15 247 .03 .21 -2 207 1023
4/20 1300 36 41 40 85 10 27 170 .09 .18 -0 207 1023
4/20 1200 37 39 44 78 11 29 235 0 .09 -0 72 1022
4/20 1100 35 37 44 85 14 24 140 .03 .09 -0 72 1022
4/20 1000 34 36 45 78 11 20 272 0 .06 -0 72 1021
4/20 900 34 33 41 88 8 17 255 .02 .06 -0 72 1021
4/20 800 33 34 38 95 8 16 212 .01 .04 -0 88 1020
4/20 700 33 33 36 97 7 15 262 .02 .03 -0 73 1020
4/20 600 33 32 33 98 8 16 266 0 .01 -0 74 1019
4/20 500 33 32 33 98 9 12 112 .01 .01 -0 73 1018

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'