Alpha, California Weather observations
Data are for observation ending at time listed.
Day Time Ave. Ave. Ave. Vector Max. Stn. Total Solar Ave. Snow
of of Air Rel. Wind Wind Wind Baro. Precip. Rad. Soil Depth
Year Day Temp. Hum. Speed Dir. Gust Pres. Temp.
2012 (PST) F % mph deg. mph mb. in. W/m2 F in.
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38 10:50 31.2 81 2.0 287 4.2 779.2 0.00 254 999.0 24.0
38 11:00 32.3 78 1.9 254 5.5 779.2 0.00 342 999.0 23.8
38 11:10 32.1 78 1.9 245 4.6 779.3 0.00 234 999.0 24.1
38 11:20 31.7 77 1.1 304 3.9 779.3 0.00 136 999.0 24.0
38 11:30 31.2 78 1.3 281 4.6 779.2 0.00 150 999.0 24.1
38 11:40 31.5 77 1.5 225 3.7 779.1 0.00 173 999.0 24.1
38 11:50 32.0 76 1.2 255 3.9 779.1 0.00 159 999.0 24.2
38 12:00 31.9 78 2.3 202 4.2 779.1 0.00 191 999.0 24.2
38 12:10 31.9 79 3.0 197 5.6 779.0 0.00 194 999.0 24.3
38 12:20 31.5 80 2.5 200 6.9 779.0 0.00 147 999.0 24.3
38 12:30 31.6 80 1.9 200 4.2 778.9 0.00 132 999.0 24.3
38 12:40 31.8 79 2.7 195 6.6 778.9 0.00 133 999.0 24.3
38 12:50 31.5 82 2.0 231 4.5 778.9 0.00 141 999.0 24.4
38 13:00 31.5 82 1.9 245 5.4 778.9 0.00 111 999.0 24.3
38 13:10 31.1 84 2.5 245 6.2 779.0 0.00 90 999.0 24.4
38 13:20 30.8 86 2.1 280 4.5 779.0 0.00 84 999.0 24.3
38 13:30 30.6 88 1.5 278 3.9 779.0 0.00 95 999.0 24.3
38 13:40 30.5 89 1.5 273 4.5 778.9 0.00 83 999.0 24.3
38 13:50 30.5 90 1.0 264 3.1 779.0 0.00 62 999.0 24.2
38 14:00 30.2 92 1.3 272 3.7 779.1 0.00 49 999.0 24.3
38 14:10 30.2 93 1.4 290 4.4 779.1 0.00 65 999.0 24.2
38 14:20 30.2 93 1.3 277 3.3 779.1 0.00 85 999.0 24.2
38 14:30 30.4 92 1.4 263 2.9 779.3 0.00 95 999.0 24.0
38 14:40 30.3 93 1.6 266 4.0 779.3 0.00 61 999.0 24.2
38 14:50 29.9 94 1.7 277 4.3 779.4 0.00 54 999.0 24.0
38 15:00 30.0 95 1.4 265 3.7 779.5 0.00 52 999.0 24.0
38 15:10 29.8 95 1.5 270 4.1 779.5 0.00 38 999.0 24.0
38 15:20 29.9 95 1.2 295 3.5 779.6 0.00 44 999.0 22.4
38 15:30 29.7 95 1.3 244 3.4 779.7 0.00 30 999.0 22.5
38 15:40 29.6 96 0.9 294 2.2 779.7 0.00 17 999.0 20.9
38 15:50 29.7 96 0.7 315 2.6 779.8 0.00 19 999.0 20.7
38 16:00 29.7 96 1.3 324 2.5 779.9 0.00 18 999.0 35.5
38 16:10 29.5 96 0.8 320 2.4 779.9 0.00 17 999.0 97.1
38 16:20 29.5 96 1.3 304 3.4 779.9 0.00 21 999.0 96.1
38 16:30 29.5 96 1.3 319 3.6 780.0 0.00 22 999.0 172.5
38 16:40 29.4 96 0.6 318 2.2 780.0 0.00 13 999.0 157.3
38 16:50 29.2 96 0.8 317 2.0 780.1 0.00 13 999.0 95.2
38 17:00 29.1 96 1.1 297 3.2 780.2 0.00 18 999.0 65.4
38 17:10 29.2 96 1.1 248 2.2 780.3 0.00 14 999.0 35.0
38 17:20 29.2 96 3.9 187 8.9 780.5 0.00 4 999.0 19.8
38 17:30 28.9 95 3.7 189 8.4 780.6 0.00 1 999.0 20.0
38 17:40 28.7 95 3.5 205 7.5 780.5 0.00 0 999.0 20.0
38 17:50 28.5 96 3.5 187 6.9 780.6 0.00 0 999.0 78.7
38 18:00 28.4 97 3.5 187 8.0 780.8 0.00 0 999.0 122.3
38 18:10 28.3 97 4.2 183 8.6 780.9 0.00 0 999.0 141.9
38 18:20 28.2 97 5.5 176 10.5 781.0 0.00 0 999.0 142.1
38 18:30 28.1 97 4.9 178 8.8 781.1 0.00 0 999.0 172.5
38 18:40 28.0 97 7.3 180 12.2 781.2 0.00 0 999.0 157.2
38 18:50 27.9 97 6.6 176 11.5 781.2 0.00 0 999.0 172.5
38 19:00 27.8 97 7.0 182 10.8 781.3 0.00 0 999.0 142.2
38 19:10 27.7 97 7.8 181 13.8 781.4 0.00 0 999.0 110.9
38 19:20 27.7 97 6.3 182 12.0 781.5 0.00 0 999.0 158.0
38 19:30 27.7 97 5.7 180 9.3 781.6 0.00 0 999.0 171.1
38 19:40 27.7 97 5.6 178 10.4 781.7 0.00 0 999.0 171.1
38 19:50 27.7 97 5.3 185 7.5 781.9 0.00 0 999.0 172.5
38 20:00 27.7 97 4.3 186 6.6 782.0 0.00 0 999.0 169.6
38 20:10 27.7 97 3.8 188 5.8 782.2 0.00 0 999.0 172.5
38 20:20 27.9 97 4.5 192 6.3 782.2 0.00 0 999.0 172.5
38 20:30 27.9 97 4.5 199 8.8 782.4 0.00 0 999.0 172.5
38 20:40 27.8 97 5.8 189 9.7 782.5 0.00 0 999.0 172.5
38 20:50 27.8 97 4.6 173 12.3 782.5 0.00 0 999.0 157.2
38 21:00 27.9 97 3.4 165 7.9 782.5 0.00 0 999.0 172.5
38 21:10 27.9 96 2.4 160 6.9 782.6 0.00 0 999.0 172.5
38 21:20 27.9 96 2.8 167 5.3 782.5 0.00 0 999.0 172.5
38 21:30 27.9 96 2.8 168 5.6 782.7 0.00 0 999.0 172.5
38 21:40 28.0 96 2.8 174 7.2 782.8 0.00 0 999.0 172.5
38 21:50 28.1 96 4.1 181 7.9 783.0 0.00 0 999.0 172.5
38 22:00 28.1 96 4.1 192 7.0 783.0 0.00 0 999.0 172.5
38 22:10 28.1 96 1.4 211 3.5 783.1 0.00 0 999.0 172.5
38 22:20 28.2 97 0.4 251 2.9 783.2 0.00 0 999.0 172.5
38 22:30 28.2 97 0.8 229 3.1 783.3 0.00 0 999.0 172.5
38 22:40 28.2 97 0.9 256 2.9 783.4 0.00 0 999.0 172.5
38 22:50 28.2 97 1.2 286 2.6 783.5 0.00 0 999.0 172.5
38 23:00 28.2 97 0.6 290 1.9 783.6 0.00 0 999.0 172.5
38 23:10 28.3 97 0.5 293 1.4 783.6 0.00 0 999.0 168.2
38 23:20 28.2 97 0.8 248 3.0 783.7 0.00 0 999.0 166.8
38 23:30 28.2 97 2.2 181 3.8 783.6 0.00 0 999.0 172.5
38 23:40 28.2 97 2.6 192 4.5 783.7 0.00 0 999.0 172.5
38 23:50 28.1 97 1.3 207 3.1 783.8 0.00 0 999.0 172.5
39 0:00 28.2 97 0.8 257 3.1 784.1 0.00 0 999.0 172.5
39 0:10 28.2 97 1.7 220 3.7 784.2 0.00 0 999.0 172.5
39 0:20 28.1 97 1.1 232 3.1 784.4 0.00 0 999.0 172.5
39 0:30 28.0 97 1.0 217 2.4 784.4 0.00 0 999.0 172.5
39 0:40 27.9 97 2.0 170 3.7 784.4 0.00 0 999.0 172.5
39 0:50 27.8 97 2.2 154 6.9 784.3 0.00 0 999.0 157.2
39 1:00 27.8 96 2.6 129 4.2 784.3 0.00 0 999.0 138.1
39 1:10 27.6 96 4.4 121 8.0 784.2 0.00 0 999.0 66.0
39 1:20 27.5 96 5.0 122 7.2 784.2 0.00 0 999.0 105.5
39 1:30 27.5 96 4.4 123 6.4 784.3 0.00 0 999.0 64.1
39 1:40 27.6 95 3.4 120 5.3 784.3 0.00 0 999.0 80.4
39 1:50 27.7 95 3.7 115 4.7 784.3 0.00 0 999.0 64.8
39 2:00 27.9 94 2.9 118 3.9 784.4 0.00 0 999.0 34.7
39 2:10 28.0 93 2.7 126 4.2 784.4 0.00 0 999.0 104.0
39 2:20 28.1 92 2.0 136 3.3 784.5 0.00 0 999.0 62.2
39 2:30 28.2 92 1.6 128 2.8 784.4 0.00 0 999.0 34.9
39 2:40 28.1 92 1.3 126 2.5 784.5 0.00 0 999.0 135.5
39 2:50 27.9 92 0.1 138 1.2 784.6 0.00 0 999.0 158.4
39 3:00 28.0 92 0.6 38 1.2 784.7 0.00 0 999.0 159.5
39 3:10 28.4 90 0.7 71 1.5 784.7 0.00 0 999.0 102.8
39 3:20 28.7 90 0.5 330 1.5 785.1 0.00 0 999.0 131.1
39 3:30 28.8 90 0.8 350 1.5 785.2 0.00 0 999.0 161.9
39 3:40 29.1 89 0.6 336 1.6 785.2 0.00 0 999.0 162.3
39 3:50 29.2 88 0.2 314 1.0 785.3 0.00 0 999.0 161.4
39 4:00 29.2 88 0.1 246 1.2 785.4 0.00 0 999.0 158.5
39 4:10 28.9 88 0.2 161 1.1 785.4 0.00 0 999.0 49.6
39 4:20 29.3 86 1.3 104 2.3 785.5 0.00 0 999.0 20.1
39 4:30 29.7 85 0.7 161 2.2 785.7 0.00 0 999.0 35.9
39 4:40 30.2 84 1.9 232 3.9 785.8 0.00 0 999.0 20.6
39 4:50 30.2 84 0.9 268 2.6 786.0 0.00 0 999.0 20.6
39 5:00 29.7 86 0.3 276 0.9 786.1 0.00 0 999.0 62.8
39 5:10 29.7 85 1.4 242 2.8 786.1 0.00 0 999.0 64.1
39 5:20 30.0 84 1.0 240 1.8 786.2 0.00 0 999.0 161.6
39 5:30 29.8 84 0.3 235 2.3 786.2 0.00 0 999.0 161.8
39 5:40 29.5 84 0.0 0 0.0 786.2 0.00 0 999.0 76.1
39 5:50 29.4 85 0.0 0 0.0 786.2 0.00 0 999.0 20.7
39 6:00 29.4 84 0.4 99 1.3 786.1 0.00 0 999.0 20.5
39 6:10 29.8 83 0.1 101 0.8 786.2 0.00 0 999.0 35.4
39 6:20 29.7 83 0.0 101 0.6 786.2 0.00 0 999.0 35.8
39 6:30 30.1 82 1.7 109 2.9 786.1 0.00 0 999.0 21.0
39 6:40 30.3 81 2.8 110 3.9 786.2 0.00 0 999.0 34.9
39 6:50 30.3 81 2.2 101 3.4 786.4 0.00 0 999.0 76.0
39 7:00 30.4 81 1.2 94 2.7 786.7 0.00 1 999.0 34.8
39 7:10 30.4 81 1.6 91 2.9 786.8 0.00 3 999.0 21.6
39 7:20 31.0 79 3.0 100 4.1 786.7 0.00 42 999.0 158.1
39 7:30 32.0 76 2.8 102 3.8 786.9 0.00 59 999.0 62.1
39 7:40 32.3 76 2.7 114 4.0 787.0 0.00 42 999.0 21.2
39 7:50 33.5 72 1.8 106 3.4 787.3 0.00 20 999.0 21.2
39 8:00 34.6 66 0.8 95 1.6 787.5 0.00 121 999.0 21.5
39 8:10 35.7 60 0.3 35 1.5 787.6 0.00 51 999.0 20.9
39 8:20 35.9 46 0.8 14 2.7 787.7 0.00 77 999.0 21.7
39 8:30 35.7 42 0.7 340 2.3 787.9 0.00 58 999.0 118.3
39 8:40 35.3 44 1.4 290 2.5 787.9 0.00 65 999.0 49.5
39 8:50 35.9 38 1.2 296 2.4 788.0 0.00 172 999.0 134.5
39 9:00 36.6 33 1.5 292 3.1 788.0 0.00 225 999.0 77.8
39 9:10 38.3 33 0.3 7 2.0 788.1 0.00 160 999.0 162.1
39 9:20 37.6 39 0.9 356 2.8 788.4 0.00 56 999.0 162.3
39 9:30 37.4 43 1.4 6 3.9 788.4 0.00 33 999.0 162.3
39 9:40 38.0 41 1.2 3 2.4 788.6 0.00 73 999.0 162.3
39 9:50 38.0 35 1.6 356 3.9 788.7 0.00 40 999.0 162.3
39 10:00 38.8 32 0.4 298 3.1 788.9 0.00 50 999.0 162.3
39 10:10 38.9 44 2.4 190 4.2 789.1 0.00 36 999.0 162.3
39 10:20 39.0 44 1.6 152 4.7 789.3 0.00 134 999.0 162.3
39 10:30 40.6 40 1.6 140 3.0 789.4 0.00 291 999.0 162.3
39 10:40 40.8 38 2.6 206 5.3 789.5 0.00 307 999.0 162.3
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Western Regional Climate Center,wrcc@dri.edu