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12-11-2017
Northwest Avalanche Center
Alpental Ski Area, Washington

Wind gages unheated and may rime
Precipitaton gage measurements may be delayed in heavy snow
Dec 7: Testing new wind instrument speed and direction
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'

12/11 2200 43 23 22 94 13 4 15 205 0 0 0 44 1 283 0
12/11 2100 42 19 22 94 17 6 14 187 0 0 0 44 1 283 0
12/11 2000 43 18 23 93 17 4 12 150 0 0 0 44 0 283 0
12/11 1900 42 18 23 92 18 7 16 175 0 0 0 44 1 283 0
12/11 1800 43 18 23 92 19 4 12 283 0 0 0 44 0 283 0
12/11 1700 44 19 24 92 17 4 11 39 0 0 0 44 1 283 0
12/11 1600 45 21 25 92 14 3 9 83 0 0 0 44 1 283 -0
12/11 1500 44 22 24 91 16 8 13 145 0 0 0 43 0 283 0
12/11 1400 44 22 26 88 17 8 16 134 0 0 0 43 0 283 -0
12/11 1300 43 21 25 90 20 12 23 131 0 0 0 43 1 283 0
12/11 1200 41 20 24 92 20 14 25 117 0 0 0 43 1 283 -0
12/11 1100 40 19 23 92 22 16 30 117 0 0 0 43 0 50 0
12/11 1000 39 19 23 93 22 14 25 118 0 0 0 44 0 283 0
12/11 900 40 18 22 95 18 15 26 122 0 0 0 44 0 283 -0
12/11 800 38 18 22 95 22 14 26 110 0 0 0 44 0 283 -0
12/11 700 40 18 22 95 18 13 24 113 0 0 0 44 0 283 -0
12/11 600 40 19 22 95 18 13 24 110 0 0 0 44 0 283 0
12/11 500 43 19 22 96 15 12 20 110 0 0 0 44 0 283 -0

12/11 300 43 19 22 97 15 14 24 103 0 0 0 44 0 283 -0
12/11 200 44 19 22 96 14 14 22 111 0 0 0 44 0 50 -0
12/11 100 44 19 22 97 13 14 23 103 0 0 0 44 0 49 -0
12/11 0 43 19 22 97 14 12 25 109 0 0 0 44 0 50 -0
12/10 2300 42 19 22 96 14 13 22 108 0 0 0 44 0 49 0
12/10 2200 43 19 22 97 12 13 23 106 0 0 0 44 0 50 -0
12/10 2100 44 19 22 97 13 13 23 100 0 0 0 44 0 50 -0
12/10 2000 44 19 22 96 12 13 22 106 0 0 0 44 0 283 -0
12/10 1900 45 19 23 96 11 12 23 114 0 0 0 44 0 283 0
12/10 1800 45 19 23 96 11 12 19 118 0 0 0 44 0 283 0
12/10 1700 44 20 23 95 15 12 21 113 0 0 0 43 0 283 -0
12/10 1600 45 21 24 95 16 11 22 117 0 0 0 43 0 50 -0
12/10 1500 45 21 25 93 17 13 26 117 0 0 0 43 0 50 -0
12/10 1400 47 22 24 92 16 13 23 115 0 0 0 43 0 50 -0
12/10 1300 49 22 25 91 14 12 21 114 0 0 0 43 0 50 -0
12/10 1200 48 22 25 92 13 11 19 114 0 0 0 43 0 50 -0
12/10 1100 48 21 24 92 14 11 19 105 0 0 0 43 0 49 -0
12/10 1000 45 20 24 93 16 11 16 108 0 0 0 43 0 50 -0
12/10 900 48 19 23 94 14 8 14 96 0 0 0 44 0 283 -0
12/10 800 47 19 22 95 12 7 9 67 0 0 0 44 0 283 -0
12/10 700 48 19 22 95 11 6 8 9 0 0 0 44 0 283 -0
12/10 600 46 19 23 94 13 5 9 335 0 0 0 44 0 283 -0
12/10 500 48 19 23 94 13 4 8 269 0 0 0 44 0 283 -0
12/10 400 49 19 23 93 10 4 8 296 0 0 0 44 0 283 0

12/10 400 19 23 93 0 0 0 44 0 283
12/10 300 46 19 23 94 14 3 5 177 0 0 0 44 0 283 0
12/10 200 47 19 23 94 13 4 7 164 0 0 0 44 0 283 -0
12/10 100 47 19 23 94 14 7 11 165 0 0 0 44 0 283 -0
12/10 0 47 19 23 95 14 7 10 147 0 0 0 44 0 283 -0
12/9 2300 47 20 23 94 14 7 10 158 0 0 0 44 0 283 -0
12/9 2200 47 20 23 95 14 7 10 155 0 0 0 44 0 283 0
12/9 2100 47 20 23 96 13 8 12 132 0 0 0 44 0 283 -0
12/9 2000 47 20 23 95 13 8 12 156 0 0 0 44 0 50 -0
12/9 1900 48 20 24 95 12 7 10 145 0 0 0 44 0 49 -0
12/9 1800 47 20 24 95 11 6 10 154 0 0 0 44 0 49 -0
12/9 1700 47 20 24 95 13 3 6 184 0 0 0 44 0 50 -0
12/9 1600 47 21 24 94 14 6 9 172 0 0 0 44 0 50 0
12/9 1500 50 21 24 94 13 4 7 164 0 0 0 44 0 50 -0
12/9 1400 50 22 25 92 13 7 9 166 0 0 0 44 0 50 -0
12/9 1300 50 22 24 94 13 7 11 161 0 0 0 44 0 50 -0
12/9 1200 50 21 25 92 13 8 10 161 0 0 0 44 0 51 -0
12/9 1100 50 21 25 91 15 7 9 162 0 0 0 44 0 51 -0
12/9 1000 50 20 24 92 13 6 10 163 0 0 0 44 0 51 -0
12/9 900 48 20 23 93 15 7 11 168 0 0 0 44 0 51 -0
12/9 800 46 19 23 95 14 7 10 158 0 0 0 45 0 51 -0
12/9 700 46 19 23 94 15 8 10 169 0 0 0 45 0 51 -0
12/9 600 46 19 23 95 14 8 12 165 0 0 0 45 0 50 -0
12/9 500 47 20 23 94 14 9 13 170 0 0 0 45 0 51 0

12/9 400 20 23 95 0 0 0 45 0 51
12/9 300 20 23 94 0 0 0 45 0 51
12/9 200 47 20 24 95 15 8 11 156 0 0 0 44 0 51 0
12/9 100 47 20 24 95 16 8 10 169 0 0 0 44 0 51 -0
12/9 0 46 20 23 95 16 9 11 173 0 0 0 44 0 51 -0
12/8 2300 47 20 24 94 17 9 12 174 0 0 0 44 0 52 -0
12/8 2200 48 20 24 94 15 9 11 170 0 0 0 45 0 52 -0
12/8 2100 48 20 24 93 16 6 11 175 0 0 0 45 0 52 -0
12/8 2000 47 20 24 94 17 3 8 239 0 0 0 45 0 52 0
12/8 1900 48 20 25 94 12 4 13 237 0 0 0 45 0 52 -0
12/8 1800 47 21 25 93 18 6 13 196 0 0 0 45 0 52 -0
12/8 1700 48 21 25 95 16 3 9 75 0 0 0 45 0 48 -0
12/8 1600 49 22 25 94 13 3 8 56 0 0 0 45 0 51 -0
12/8 1500 50 23 26 91 13 5 9 164 0 0 0 45 0 49 -0
12/8 1400 50 23 26 92 12 6 11 165 0 0 0 44 0 52 -0
12/8 1300 50 23 26 92 12 8 10 166 0 0 0 44 0 51 -0
12/8 1200 51 23 26 89 11 8 11 166 0 0 0 44 0 51 -0
12/8 1100 53 22 26 91 9 9 11 176 0 0 0 45 0 52 -0
12/8 1000 51 21 25 92 9 8 11 170 0 0 0 45 0 52 -0
12/8 900 50 21 25 93 10 6 10 157 0 0 0 45 0 52 -0
12/8 800 48 20 24 94 11 5 8 167 0 0 0 45 0 52 0
12/8 700 46 21 24 94 13 4 8 163 0 0 0 45 0 52 0
12/8 600 46 21 24 94 12 3 8 168 0 0 0 45 0 52 0
12/8 500 46 21 24 95 13 5 9 174 0 0 0 45 0 52 0

12/8 400 47 21 25 94 13 5 11 166 0 0 0 45 0 52 -0
12/8 300 48 21 25 94 13 4 8 176 0 0 0 45 0 52 -0
12/8 200 48 22 26 93 13 8 11 159 0 0 0 44 0 53 -0
12/8 100 49 22 26 94 11 7 9 140 0 0 0 44 0 53 -0
12/8 0 48 22 26 94 11 8 12 160 0 0 0 45 0 52 0
12/7 2300 47 23 26 95 11 9 13 167 0 0 0 45 0 53 0
12/7 2200 46 23 26 95 12 8 10 161 0 0 0 45 0 53 0
12/7 2100 47 23 26 96 13 9 12 152 0 0 0 46 0 53 -0
12/7 2000 47 23 26 95 12 10 14 160 0 0 0 46 0 53 0
12/7 1900 47 23 26 95 12 9 14 158 0 0 0 46 0 53 -0
12/7 1800 45 23 27 96 15 9 13 160 0 0 0 46 0 53 0
12/7 1700 44 23 27 96 16 11 14 156 0 0 0 46 0 53 0
12/7 1600 44 24 27 95 19 10 15 156 0 0 0 46 0 51 0
12/7 1500 44 24 27 95 22 10 15 151 0 0 0 46 0 53 -0
12/7 1400 41 26 28 94 21 12 18 156 0 0 0 46 0 51 0
12/7 1300 39 26 28 94 30 12 21 152 0 0 0 46 0 52 0
12/7 1200 37 27 27 94 34 14 23 139 0 0 0 46 0 51 0
12/7 1100 37 25 27 95 33 15 26 133 0 0 0 46 0 53 0
12/7 1000 36 24 27 96 33 15 24 126 0 0 0 46 0 53 0
12/7 900 35 23 27 96 35 14 25 123 0 0 0 46 0 53 -0
12/7 800 35 23 26 97 35 14 23 122 0 0 0 46 0 53 0
12/7 700 35 23 26 96 35 14 23 123 0 0 0 46 0 53 0
12/7 600 35 23 27 97 34 16 26 118 0 0 0 46 0 53 0
12/7 500 35 24 27 96 35 15 25 117 0 0 0 46 0 53 0

12/7 400 35 24 27 96 36 70 129 115 0 0 0 46 0 53 0
12/7 300 36 25 27 97 36 41 111 115 0 0 0 46 0 53 0
12/7 200 35 25 28 96 39 49 108 113 0 0 0 46 0 53 0
12/7 100 35 26 28 97 40 47 97 113 0 0 0 46 0 54 0
12/7 0 34 26 28 96 43 34 73 115 0 0 0 46 0 53 0
12/6 2300 34 26 28 97 46 30 45 114 0 0 0 46 0 54 0
12/6 2200 32 26 29 96 52 43 148 117 0 0 0 46 0 54 0
12/6 2100 32 26 29 95 50 43 151 112 0 0 0 46 0 54 0
12/6 2000 32 28 29 95 54 43 99 114 0 0 0 46 0 54 0
12/6 1900 32 29 29 95 52 36 61 107 0 0 0 46 0 54 0
12/6 1800 33 29 29 97 54 37 71 106 0 0 0 46 0 54 0
12/6 1700 32 29 30 96 60 36 71 109 0 0 0 47 0 54 0
12/6 1600 32 30 31 94 65 36 78 120 0 0 0 47 0 54 0
12/6 1500 32 31 32 94 62 39 66 119 0 0 0 47 0 54 0
12/6 1400 34 31 32 92 58 45 82 115 0 0 0 47 0 54 0
12/6 1300 32 30 32 94 70 48 80 110 0 0 0 47 0 54 0
12/6 1200 34 31 31 94 58 57 97 106 0 0 0 47 0 54 0
12/6 1100 31 30 30 92 67 44 82 105 0 0 0 47 0 54 0
12/6 1000 31 28 28 95 72 34 49 105 0 0 0 47 0 54 -0
12/6 900 32 26 26 97 62 36 68 107 0 0 0 47 0 54 -0
12/6 800 32 27 24 96 56 34 78 106 0 0 0 47 0 55 0
12/6 700 32 27 24 95 52 69 167 109 0 0 0 47 0 54 0
12/6 600 30 28 23 96 65 31 45 109 0 0 0 47 0 55 0
12/6 500 33 30 23 96 50 34 56 107 0 0 0 48 0 54 0

12/6 400 32 32 23 96 56 58 111 107 0 0 0 47 0 55 0
12/6 300 30 33 23 95 67 52 97 106 0 0 0 47 0 55 0
12/6 200 29 32 24 96 73 91 155 106 0 0 0 48 0 55 0
12/6 100 29 33 23 95 73 91 167 106 0 0 0 48 0 55 0
12/6 0 29 32 24 96 73 77 146 109 0 0 0 48 0 54 0
12/5 2300 29 33 24 96 74 94 153 110 0 0 0 48 0 55 0
12/5 2200 30 34 24 97 73 60 146 115 0 0 0 47 0 55 0
12/5 2100 30 33 25 96 72 43 134 116 0 0 0 47 0 55 0
12/5 2000 31 33 25 96 71 35 106 116 0 0 0 47 0 55 0
12/5 1900 30 33 25 96 73 23 38 115 0 0 0 48 0 55 0
12/5 1800 32 33 26 97 68 25 64 108 0 0 0 47 0 55 0
12/5 1700 31 35 27 97 71 56 118 108 0 0 0 48 0 55 0
12/5 1600 32 36 28 97 68 22 45 113 0 0 0 48 0 55 0
12/5 1500 33 35 28 94 68 32 66 110 0 0 0 48 0 53 0
12/5 1400 33 37 28 92 68 25 75 117 0 0 0 48 0 55 0
12/5 1300 34 36 29 93 63 20 49 111 0 0 0 48 0 55 0
12/5 1200 33 35 28 93 61 27 59 116 0 0 0 48 0 55 0
12/5 1100 33 36 27 94 60 21 38 109 0 0 0 48 0 55 0
12/5 1000 33 35 25 94 60 20 33 107 0 0 0 49 0 56 0
12/5 900 33 33 21 95 62 26 61 105 0 0 0 49 0 56 0
12/5 800 30 31 20 98 59 31 66 104 0 0 0 49 0 59 0
12/5 700 28 31 20 96 60 38 85 103 0 0 0 49 0 60 0
12/5 600 29 29 21 96 59 64 134 102 0 0 0 49 0 59 0
12/5 500 28 28 21 95 58 27 68 104 0 0 0 49 0 60 0

12/5 400 27 21 96 0 0 0 49 0 61
12/5 300 28 27 22 95 59 29 68 100 0 0 0 49 0 59 0
12/5 200 28 25 23 96 60 12 24 96 0 0 0 49 0 60 0
12/5 100 26 24 23 96 73 9 21 260 0 0 0 49 0 60 0
12/5 0 25 24 23 95 83 5 21 265 0 0 0 49 0 61 0
12/4 2300 24 25 24 96 88 9 40 265 0 0 0 49 0 61 0
12/4 2200 23 25 25 95 90 8 31 265 0 0 0 49 0 61 -0
12/4 2100 24 25 27 97 92 11 33 265 0 0 0 49 0 61 0
12/4 2000 23 27 26 98 91 16 54 265 0 0 0 49 0 60 0
12/4 1900 23 26 24 95 92 28 59 265 0 0 0 49 0 61 0
12/4 1800 23 26 26 95 93 23 52 265 0 0 0 49 0 61 0
12/4 1700 21 26 27 96 94 12 40 265 0 0 0 49 0 61 -0
12/4 1600 21 25 27 93 94 7 19 265 0 0 0 49 0 61 -0
12/4 1500 22 26 30 83 94 7 19 265 0 0 0 49 0 61 -0
12/4 1400 22 26 30 83 94 8 19 265 0 0 0 49 0 61 0
12/4 1300 21 26 30 82 93 10 33 265 0 0 0 49 0 61 -0
12/4 1200 20 25 27 93 94 12 35 265 0 0 0 49 0 61 -0
12/4 1100 20 25 27 93 94 17 47 265 0 0 0 49 0 61 -0
12/4 1000 19 24 26 93 93 17 38 265 0 0 0 49 0 61 -0
12/4 900 18 23 24 95 92 8 28 265 0 0 0 49 0 61 15
12/4 800 18 23 24 97 93 14 35 265 0 0 0 49 13 61 43
12/4 700 18 23 23 95 93 19 49 265 0 0 0 49 13 61 43
12/4 600 17 23 23 97 93 14 49 265 0 0 0 49 13 61 43
12/4 500 17 23 24 97 93 5 28 265 0 0 0 49 13 62 43

12/4 400 18 24 25 96 93 14 54 265 0 .04 0 49 13 62 14
12/4 300 18 24 25 96 93 12 45 265 0 .04 0 49 13 62 15
12/4 200 19 24 26 95 93 4 31 265 0 .04 0 49 13 62 15
12/4 100 19 24 26 95 93 4 33 265 0 .04 0 49 13 62 14
12/4 0 19 25 27 96 93 4 24 265 0 .04 0 49 13 62 16
12/3 2300 19 26 29 98 94 10 52 265 0 .04 0 48 13 62 16
12/3 2200 20 26 29 98 94 18 52 265 0 .04 0 48 13 62 15
12/3 2100 20 26 29 98 94 9 42 265 0 .04 0 48 14 62 14
12/3 2000 20 26 30 97 94 6 42 265 0 .04 0 49 14 62 16
12/3 1900 21 27 30 94 95 20 59 265 .01 .04 0 49 14 62 17
12/3 1800 21 27 30 97 95 11 42 265 0 .03 0 49 14 62 16
12/3 1700 21 28 31 97 95 15 54 265 .01 .03 0 49 14 63 16
12/3 1600 21 29 31 96 95 7 26 265 0 .02 0 49 14 61 17
12/3 1500 22 30 32 96 95 6 31 265 0 .02 0 49 14 60 17
12/3 1400 22 30 33 92 95 4 31 265 0 .02 0 50 14 60 17
12/3 1300 22 31 33 83 95 5 21 265 0 .02 0 49 14 61 17
12/3 1200 22 30 33 92 95 4 14 265 0 .02 0 49 14 61 17
12/3 1100 22 29 33 93 95 3 12 265 0 .02 0 50 14 62 17
12/3 1000 22 28 33 93 95 10 35 265 0 .02 0 51 14 61 17
12/3 900 22 27 31 96 95 8 26 265 .01 .02 0 52 14 62 17
12/3 800 21 27 30 97 95 10 38 265 0 .01 0 52 14 63 17
12/3 700 21 27 31 90 95 21 56 265 0 .01 5 52 14 63 17
12/3 600 22 27 31 89 95 36 82 265 0 .01 6 53 14 61 17
12/3 500 22 28 31 88 95 27 68 265 .01 .01 6 53 14 62 17

12/3 400 23 28 30 99 96 26 73 265 0 .54 6 52 14 63 17
12/3 300 23 28 30 99 96 32 68 265 0 .54 6 52 14 283 16
12/3 200 23 29 31 98 96 8 35 265 .01 .54 5 51 13 283 43
12/3 100 24 29 31 99 96 16 49 265 .03 .53 5 50 14 62 15
12/3 0 24 29 31 99 96 7 28 265 .02 .5 6 51 14 61 15
12/2 2300 24 29 31 99 96 10 45 265 .02 .48 5 51 14 61 15
12/2 2200 24 29 31 99 97 23 59 265 .04 .46 5 51 13 62 15
12/2 2100 25 29 31 99 97 13 42 265 .02 .42 5 49 12 61 14
12/2 2000 25 29 31 98 97 4 16 265 .04 .4 5 51 12 61 14
12/2 1900 25 29 31 99 97 3 12 265 .06 .36 5 48 12 61 14
12/2 1800 25 29 31 99 97 4 24 265 .04 .3 4 49 12 60 13
12/2 1700 25 29 31 98 97 7 21 265 .04 .26 3 47 12 60 13
12/2 1600 25 29 32 97 97 5 21 265 .04 .22 3 47 10 59 12
12/2 1500 25 29 32 98 97 5 19 265 .05 .18 2 46 11 57 11
12/2 1400 25 29 31 98 97 6 40 265 .05 .13 1 45 10 283 9
12/2 1300 25 29 32 98 97 5 19 265 .03 .08 0 45 9 57 8
12/2 1200 25 30 32 97 97 6 14 265 .01 .05 0 44 9 57 8
12/2 1100 25 31 31 98 97 6 12 265 0 .04 0 45 8 57 7
12/2 1000 26 32 33 96 97 5 19 265 0 .04 0 45 8 55 7
12/2 900 25 30 33 99 97 11 35 265 .02 .04 0 44 9 55 7
12/2 800 24 29 32 100 97 8 35 265 .02 .02 0 44 8 57 7
12/2 700 25 29 32 100 97 7 16 265 0 0 3 43 8 57 6
12/2 600 24 29 32 99 97 6 24 265 0 0 4 42 8 57 6
12/2 500 24 30 31 99 97 6 35 265 0 0 3 42 8 57 6

12/2 400 24 30 32 99 96 21 66 265 0 .4 3 42 8 57 6
12/2 300 24 30 32 100 97 23 75 265 0 .4 3 42 8 57 6
12/2 200 24 30 32 100 97 12 31 265 0 .4 3 42 8 58 7
12/2 100 25 30 32 100 98 28 85 265 .08 .4 4 44 8 283 7
12/2 0 25 31 32 100 98 22 56 265 .02 .32 3 43 7 55 5
12/1 2300 26 31 32 100 99 11 31 265 .06 .3 4 43 7 56 5
12/1 2200 26 30 32 100 98 17 47 265 .02 .24 2 43 7 54 4
12/1 2100 26 30 31 100 98 15 40 265 .06 .22 3 42 6 54 4
12/1 2000 26 30 31 100 98 10 24 265 .06 .16 2 41 6 54 3
12/1 1900 26 31 31 100 98 11 28 265 .03 .1 0 41 6 52 2
12/1 1800 25 31 32 100 98 11 24 265 .04 .07 0 41 5 52 1
12/1 1700 25 31 32 100 97 15 52 265 .03 .03 0 40 5 50 0
12/1 1600 26 32 32 99 96 12 35 265 0 0 0 41 5 52 0
12/1 1500 27 32 32 98 92 14 35 265 0 0 0 42 5 283 0
12/1 1400 27 33 33 96 91 12 33 265 0 0 0 42 5 283 -0
12/1 1300 26 32 33 97 91 13 28 265 0 0 0 42 5 283 -0
12/1 1200 26 31 33 94 93 12 31 265 0 0 0 41 5 283 -0
12/1 1100 25 30 32 98 92 10 19 265 0 0 0 42 5 283 7
12/1 1000 24 29 31 97 88 9 19 265 0 0 0 42 5 283 7
12/1 900 24 27 29 97 89 11 38 265 0 0 0 43 5 50 7
12/1 800 23 27 29 98 90 11 31 265 0 0 4 43 5 52 7
12/1 700 22 26 28 98 89 27 66 265 0 0 4 43 5 53 7
12/1 600 22 26 28 96 93 22 59 265 0 0 4 43 5 53 7
12/1 500 23 27 30 98 96 22 158 265 0 0 4 43 5 53 7

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'