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4-26-2018
Northwest Avalanche Center
Alpental Ski Area, Washington

Wind equipment is not reliable when the power is out at Chair 2
MM/DD Hour
PST
Temp
F
5470'
Temp
F
4350'
Temp
F
3100'
RH
%
3100'
RH
%
5470'
Wind
Avg
5520'
Wind
Max
5520'
Wind
Dir.
5520'
Hour
Prec.
3100'
Total
Prec.
3100'
24 Hr
Snow
3100'
Total
Snow
3100'
24 Hr
Snow
4350'
Total
Snow
4350'
Inter
Snow
5470'

4/26 2200 48 40 78 0 0 0 106 0 150
4/26 2100 48 40 76 0 0 0 106 0 150
4/26 2000 49 41 73 0 0 0 106 0 151
4/26 1900 50 43 67 0 0 0 106 0 151
4/26 1800 54 45 65 0 0 0 106 0 151
4/26 1700 62 48 58 0 0 0 106 0 151
4/26 1600 61 52 46 0 0 0 105 0 151
4/26 1500 59 55 41 0 0 0 105 0 151
4/26 1400 59 59 33 0 0 0 105 0 152
4/26 1300 59 61 33 0 0 0 105 0 151
4/26 1200 60 62 32 0 0 0 105 0 152
4/26 1100 55 60 42 0 0 -0 106 0 152
4/26 1000 52 53 52 0 0 0 107 0 152
4/26 900 50 47 64 0 0 1 107 0 153
4/26 800 49 43 74 0 0 0 107 0 153
4/26 700 50 38 86 0 0 1 108 0 153
4/26 600 50 37 85 0 0 0 108 0 153
4/26 500 50 37 85 0 0 0 108 0 153

4/26 400 48 37 84 0 0 0 108 0 153
4/26 300 49 37 84 0 0 0 108 0 153
4/26 200 48 38 82 0 0 0 108 0 153
4/26 100 50 38 81 0 0 0 107 0 154
4/26 0 48 38 81 0 0 0 107 0 153
4/25 2300 47 39 79 0 0 0 108 0 154
4/25 2200 47 39 77 0 0 0 108 0 154
4/25 2100 49 40 76 0 0 0 107 0 154
4/25 2000 48 41 73 0 0 0 108 0 154
4/25 1900 48 42 70 0 0 0 108 0 154
4/25 1800 52 44 62 0 0 0 108 0 154
4/25 1700 61 48 55 0 0 0 107 0 154
4/25 1600 58 53 40 0 0 0 107 0 154
4/25 1500 57 55 37 0 0 0 107 0 154
4/25 1400 59 57 36 0 0 0 107 0 154
4/25 1300 59 58 34 0 0 0 107 0 154
4/25 1200 60 58 36 0 0 0 107 0 154
4/25 1100 54 60 36 0 0 0 107 0 155
4/25 1000 51 52 49 0 0 0 108 0 155
4/25 900 49 47 62 0 0 0 109 0 155
4/25 800 49 41 74 0 0 0 109 0 155
4/25 700 51 37 82 0 0 0 109 0 155
4/25 600 48 37 80 0 0 0 109 0 156
4/25 500 43 35 83 0 0 0 109 0 156

4/25 400 43 35 84 0 0 0 109 0 156
4/25 300 43 35 85 0 0 0 109 0 156
4/25 200 42 36 82 0 0 0 109 0 156
4/25 100 43 36 83 0 0 0 109 0 156
4/25 0 43 36 81 0 0 0 109 0 156
4/24 2300 44 37 80 0 0 0 109 0 156
4/24 2200 47 37 79 0 0 0 109 0 156
4/24 2100 45 38 77 0 0 0 109 0 156
4/24 2000 46 39 76 0 0 0 109 0 156
4/24 1900 48 40 71 0 0 0 109 0 156
4/24 1800 50 43 62 0 0 0 109 0 156
4/24 1700 56 48 51 0 0 0 109 0 156
4/24 1600 54 54 41 0 0 0 108 0 156
4/24 1500 53 57 34 0 0 0 108 0 156
4/24 1400 53 57 37 0 0 0 108 0 156
4/24 1300 53 61 26 0 0 0 108 0 157
4/24 1200 54 60 27 0 0 0 109 0 157
4/24 1100 50 60 28 0 0 0 110 0 158
4/24 1000 47 57 30 0 0 0 110 0 158
4/24 900 46 53 34 0 0 0 110 0 158
4/24 800 44 52 36 0 0 0 110 0 158
4/24 700 43 47 43 0 0 0 111 0 158
4/24 600 42 43 52 0 0 0 111 0 158
4/24 500 42 42 57 0 0 0 110 0 159

4/23 1100 39 44 55 32 47 9 17 143 0 0 0 111 0 160 2
4/23 1000 36 40 49 42 53 8 16 137 0 0 0 112 0 161 2
4/23 900 35 37 44 55 54 8 13 150 0 0 0 112 0 161 2
4/23 800 35 36 35 88 57 8 13 130 0 0 0 112 0 161 2
4/23 700 34 35 31 91 55 11 17 123 0 0 0 112 0 161 3
4/23 600 33 36 30 92 49 11 17 118 0 0 0 112 0 161 3
4/23 500 32 35 30 91 50 9 16 110 0 0 0 112 0 161 3


4/22 400 25 29 31 99 84 5 14 327 0 .15 0 113 1 164 2
4/22 100 25 30 32 99 90 3 14 227 0 .15 0 113 1 164 2
4/22 0 26 30 32 99 92 4 16 312 0 .15 0 113 1 164 2
4/21 2300 25 30 33 94 91 5 17 310 0 .15 0 113 1 164 2
4/21 2200 26 30 32 98 91 5 18 298 0 .15 0 113 1 164 2
4/21 2100 26 31 33 97 89 4 18 342 0 .15 0 113 1 164 2
4/21 2000 26 31 33 98 90 3 16 335 0 .15 0 113 1 164 2
4/21 1900 27 32 34 95 88 4 14 356 0 .15 0 113 1 164 2
4/21 1800 28 33 36 94 84 6 19 338 0 .15 0 113 0 163 2
4/21 1700 27 34 37 93 92 7 19 354 .01 .15 0 113 0 163 2
4/21 1600 27 34 35 94 95 6 19 19 .05 .14 0 113 1 163 1
4/21 1500 29 36 37 84 92 3 11 15 .01 .09 0 113 0 162 0
4/21 1400 30 38 42 65 89 5 13 10 0 .08 0 113 0 163 0
4/21 1300 28 38 42 61 89 4 19 13 0 .08 0 113 0 164 0
4/21 1200 27 37 41 66 95 6 15 21 .01 .08 0 113 0 164 0
4/21 1100 26 35 39 80 98 6 15 24 0 .07 0 113 0 164 0
4/21 1000 27 36 38 77 98 6 20 35 0 .07 0 113 0 165 0
4/21 900 25 33 37 87 96 8 16 50 0 .07 0 113 0 165 0
4/21 800 25 32 34 96 97 5 13 61 .01 .07 0 113 0 166 0
4/21 700 25 31 34 95 97 6 25 21 .03 .06 0 113 0 166 0
4/21 600 25 31 33 97 97 8 25 2 0 .03 0 114 0 165 1
4/21 500 25 32 34 97 97 8 28 60 .03 .03 0 114 2 165 2

4/21 400 27 33 34 99 98 6 18 45 .03 .12 0 114 1 165 0
4/21 300 28 33 34 98 99 5 13 18 .07 .09 0 114 0 165 2
4/21 200 28 34 36 95 99 8 28 14 .02 .02 0 113 0 164 0
4/21 100 29 35 36 92 96 11 37 246 0 0 0 114 0 164 0
4/21 0 30 36 36 90 94 7 21 35 0 0 0 114 0 165 0
4/20 2300 31 37 37 85 88 8 25 33 0 0 0 114 0 165 0
4/20 2200 32 38 37 86 78 9 25 28 0 0 0 114 0 165 0
4/20 2100 34 38 37 88 70 7 24 44 0 0 0 114 0 165 0
4/20 2000 35 38 37 85 76 5 14 41 0 0 0 114 0 165 0
4/20 1900 36 39 38 85 72 4 13 10 0 0 0 114 0 165 0
4/20 1800 36 40 39 82 75 6 13 182 0 0 0 114 0 165 0
4/20 1700 36 41 40 79 74 4 8 9 0 0 0 114 0 165 0
4/20 1600 36 43 42 72 72 5 15 49 0 0 0 114 0 166 0
4/20 1500 40 47 46 61 63 3 8 332 0 0 0 113 0 166 0
4/20 1400 40 48 50 46 52 3 12 22 0 0 0 113 0 166 0
4/20 1300 41 49 55 31 57 4 13 166 0 0 0 114 0 166 0
4/20 1200 40 49 55 35 58 4 11 152 0 0 0 114 0 166 0
4/20 1100 39 44 56 37 61 5 14 173 0 0 -0 115 1 166 0
4/20 1000 39 41 50 53 73 3 6 173 0 0 0 116 0 167 -0
4/20 900 38 40 45 69 71 3 7 185 0 0 0 116 2 167 -0
4/20 800 37 39 41 81 74 3 8 19 0 0 0 116 0 167 0
4/20 700 33 37 37 90 85 6 10 338 0 0 0 116 0 167 0
4/20 600 31 36 35 94 89 7 13 320 0 0 0 116 0 168 0
4/20 500 31 34 33 95 88 7 16 325 0 0 0 117 0 168 0

4/20 400 31 35 34 95 89 5 15 331 0 0 0 117 0 168 0
4/20 300 31 35 34 94 92 5 13 328 0 0 0 117 0 168 0
4/20 200 31 36 34 94 92 3 12 342 0 0 0 117 0 168 0
4/20 100 32 36 35 94 90 4 13 343 0 0 0 117 0 168 0
4/20 0 32 36 36 94 92 5 16 350 0 0 0 117 0 168 0
4/19 2300 31 35 35 94 86 6 14 352 0 0 0 117 0 168 0
4/19 2200 31 35 35 94 84 7 14 349 0 0 0 117 0 168 0
4/19 2100 31 35 35 93 90 5 12 3 0 0 0 117 1 169 0
4/19 2000 32 36 35 92 88 4 12 356 0 0 0 117 1 169 0
4/19 1900 33 37 37 88 91 4 12 32 0 0 0 117 1 169 0
4/19 1800 34 40 40 83 83 4 12 24 0 0 0 117 0 169 0
4/19 1700 36 42 43 71 84 4 9 26 0 0 0 117 0 169 0
4/19 1600 36 43 49 57 81 5 9 27 0 0 0 117 2 169 0
4/19 1500 36 43 48 58 76 5 12 17 0 0 0 117 1 169 0
4/19 1400 36 43 49 52 76 4 10 23 0 0 0 117 1 169 0
4/19 1300 36 44 48 59 78 3 10 186 0 0 0 117 28 169 0
4/19 1200 37 46 51 57 75 3 7 137 0 0 0 118 2 169 0
4/19 1100 37 41 47 69 73 3 6 13 0 0 0 118 0 170 0
4/19 1000 35 38 46 65 75 3 7 344 0 0 0 119 0 170 -0
4/19 900 36 36 41 91 68 2 6 338 0 0 0 119 1 170 0
4/19 800 35 35 33 99 68 2 6 334 0 0 0 119 0 170 -0
4/19 700 34 33 31 98 70 2 5 344 0 0 0 119 1 171 -0
4/19 600 32 32 31 99 71 3 5 274 0 0 0 119 1 171 0
4/19 500 30 32 31 99 82 3 6 181 0 0 0 119 1 171 0

4/19 400 30 32 31 99 79 2 5 339 0 0 0 119 1 171 0
4/19 300 31 33 31 99 75 4 6 329 0 0 0 119 1 171 0
4/19 200 30 33 32 98 76 4 8 332 0 0 0 119 1 171 0
4/19 100 30 33 33 98 78 3 5 9 0 0 0 119 1 171 0
4/19 0 30 34 34 98 79 3 6 39 0 0 0 119 1 171 0
4/18 2300 30 33 33 98 81 3 7 75 0 0 0 119 1 171 0
4/18 2200 30 34 34 98 83 6 10 108 0 0 0 120 2 171 0
4/18 2100 31 34 35 98 87 5 10 81 0 0 0 120 2 172 0
4/18 2000 30 34 35 98 88 5 9 116 0 0 0 120 2 172 0
4/18 1900 31 35 36 96 94 8 13 154 0 0 0 120 1 172 0
4/18 1800 31 37 37 94 94 8 15 164 0 0 0 120 2 172 0
4/18 1700 31 39 39 91 92 5 11 122 0 0 0 120 4 172 0
4/18 1600 32 40 40 90 91 6 14 147 0 0 0 120 1 172 0
4/18 1500 32 40 40 90 87 6 15 140 0 0 0 120 1 173 0
4/18 1400 32 39 45 75 91 7 13 136 0 0 0 119 1 173 -0
4/18 1300 30 40 43 79 88 8 15 134 0 0 0 120 0 173 0
4/18 1200 30 41 47 75 94 17 52 105 0 0 0 120 0 173 0
4/18 1100 29 37 45 79 91 52 52 347 0 0 0 120 0 173 0
4/18 1000 27 35 41 83 95 52 52 347 0 0 -0 121 0 173 0
4/18 900 26 33 37 87 96 52 52 347 0 0 0 121 0 173 0
4/18 800 25 30 34 92 97 52 52 347 0 0 0 121 0 173 24
4/18 700 24 28 31 96 96 52 52 347 0 0 0 122 19 173 24
4/18 600 24 28 30 99 96 52 52 347 0 0 2 122 19 172 24
4/18 500 24 28 30 99 96 52 52 347 0 0 2 122 19 172 24

4/18 400 24 27 30 98 96 52 52 347 0 .43 2 122 19 171 23
4/18 300 24 27 30 98 96 52 52 347 0 .43 2 122 19 170 24
4/18 200 23 28 31 99 96 52 52 347 0 .43 2 122 19 171 24
4/18 100 24 29 31 100 96 52 52 347 0 .43 2 122 19 171 24
4/18 0 24 29 32 99 96 52 52 347 0 .43 2 122 19 172 24
4/17 2300 24 30 32 100 96 52 52 347 .01 .43 2 122 20 174 24
4/17 2200 25 30 32 99 97 52 52 347 .02 .42 2 122 20 174 25
4/17 2100 25 31 33 100 97 52 52 347 .02 .4 1 122 20 175 24
4/17 2000 25 31 33 100 97 52 52 347 .01 .38 1 123 20 175 24
4/17 1900 25 31 32 99 97 52 52 347 .02 .37 1 122 19 176 24
4/17 1800 26 32 33 99 97 52 52 347 .04 .35 2 122 19 175 24
4/17 1700 26 33 34 96 98 52 52 347 .04 .31 2 122 19 174 24
4/17 1600 26 35 36 93 97 52 52 347 0 .27 1 122 19 175 24
4/17 1500 25 35 35 92 97 52 52 347 .03 .27 2 122 19 175 24
4/17 1400 24 35 39 85 96 52 52 347 .01 .24 1 122 19 175 23
4/17 1300 25 35 34 94 97 52 52 347 .02 .23 2 123 19 173 24
4/17 1200 24 34 35 91 96 52 52 347 .03 .21 1 123 19 175 23
4/17 1100 25 32 34 91 97 52 52 347 .02 .18 1 122 19 176 23
4/17 1000 22 30 33 93 95 52 52 347 .01 .16 0 124 19 175 23
4/17 900 22 29 31 95 95 52 52 347 .03 .15 0 124 19 176 23
4/17 800 23 29 31 98 95 52 52 347 .04 .12 0 124 19 176 23
4/17 700 22 29 31 97 95 52 52 347 .03 .08 0 124 19 176 23
4/17 600 22 29 31 98 95 52 52 347 .03 .05 0 124 19 175 23
4/17 500 23 29 32 99 96 52 52 347 .02 .02 0 124 19 176 23

4/17 400 24 29 31 100 96 52 52 347 .07 1.43 0 123 19 175 23
4/17 300 24 30 32 100 96 52 52 347 .06 1.36 13 123 18 175 22
4/17 200 25 30 32 100 97 52 52 347 .1 1.3 12 123 17 175 20
4/17 100 25 30 32 100 97 52 52 347 .13 1.2 11 121 16 171 19
4/17 0 25 31 32 100 97 52 52 347 .1 1.07 9 120 14 170 17
4/16 2300 25 30 32 100 97 52 52 347 .06 .97 9 117 13 168 15
4/16 2200 25 30 32 100 97 52 52 347 .06 .91 9 116 12 170 14
4/16 2100 25 30 32 100 97 52 52 347 .06 .85 8 117 12 169 13
4/16 2000 25 31 32 100 97 52 52 347 .05 .79 8 117 11 168 12
4/16 1900 25 31 32 100 97 52 52 347 .04 .74 7 116 11 167 11
4/16 1800 25 31 33 99 98 52 52 347 .04 .7 7 116 10 168 11
4/16 1700 25 32 33 99 97 52 52 347 .05 .66 7 116 10 167 10
4/16 1600 26 32 33 98 98 52 52 347 .04 .61 6 115 10 165 10
4/16 1500 26 32 33 98 97 52 52 347 .03 .57 7 116 9 167 10
4/16 1400 26 33 34 97 97 52 52 347 .02 .54 7 115 9 166 11
4/16 1300 26 33 33 97 97 52 52 347 .04 .52 6 116 8 165 12
4/16 1200 25 33 33 96 96 41 59 335 .05 .48 6 116 8 167 11
4/16 1100 25 32 33 98 96 52 90 332 .05 .43 6 116 8 164 11
4/16 1000 25 31 33 99 97 40 85 277 .12 .38 5 116 7 160 10
4/16 900 25 31 32 100 96 28 65 14 .1 .26 2 113 6 161 7
4/16 800 25 31 32 100 97 38 72 355 .06 .16 0 112 3 157 5
4/16 700 25 31 32 99 97 21 56 245 .05 .1 1 111 3 283 4
4/16 600 25 31 33 99 97 38 84 242 .03 .05 1 110 45 283 4
4/16 500 25 32 33 100 97 36 87 279 .02 .02 1 111 3 158 4

MM/DD Hour
PST
Temp
F
5470'
Temp
F
4350'
Temp
F
3100'
RH
%
3100'
RH
%
5470'
Wind
Avg
5520'
Wind
Max
5520'
Wind
Dir.
5520'
Hour
Prec.
3100'
Total
Prec.
3100'
24 Hr
Snow
3100'
Total
Snow
3100'
24 Hr
Snow
4350'
Total
Snow
4350'
Inter
Snow
5470'