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.
2009 (PST) F % mph deg. mph mb. in. W/m2 F in.
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325 0:50 21.0 95 1.4 272 4.0 780.4 0.00 0 999.0 3.1
325 1:00 21.1 95 0.9 268 4.3 780.4 0.00 0 999.0 3.1
325 1:10 21.0 95 1.4 280 3.8 780.4 0.00 0 999.0 4.4
325 1:20 20.7 94 1.5 287 2.9 780.4 0.00 0 999.0 4.2
325 1:30 20.4 94 1.6 291 3.4 780.2 0.00 0 999.0 5.3
325 1:40 20.1 94 0.9 283 2.8 780.2 0.00 0 999.0 4.3
325 1:50 19.6 94 0.8 256 2.9 780.3 0.00 0 999.0 5.7
325 2:00 19.5 94 1.1 256 2.7 780.3 0.00 0 999.0 5.6
325 2:10 19.5 94 0.8 288 1.8 780.3 0.00 0 999.0 5.0
325 2:20 19.4 94 0.7 291 1.3 780.3 0.00 0 999.0 5.7
325 2:30 999.0 94 0.4 273 1.2 780.3 0.00 0 999.0 5.6
325 2:40 999.0 94 0.2 296 1.2 780.3 0.00 0 999.0 4.5
325 2:50 999.0 93 0.9 274 2.0 780.5 0.00 0 999.0 6.4
325 3:00 999.0 93 1.7 234 3.1 780.5 0.00 0 999.0 7.0
325 3:10 17.5 94 1.7 206 2.6 780.5 0.00 0 999.0 5.8
325 3:20 17.4 94 1.5 213 2.8 780.5 0.00 0 999.0 6.4
325 3:30 17.4 94 1.5 218 2.7 780.6 0.00 0 999.0 6.3
325 3:40 17.3 94 1.0 213 2.2 780.5 0.00 0 999.0 6.2
325 3:50 17.3 94 1.5 143 2.2 780.5 0.00 0 999.0 6.5
325 4:00 17.3 94 1.9 129 2.9 780.5 0.00 0 999.0 6.6
325 4:10 17.4 94 3.3 114 4.1 780.4 0.00 0 999.0 7.4
325 4:20 17.4 94 2.7 107 3.7 780.4 0.00 0 999.0 7.3
325 4:30 999.0 94 2.5 112 3.4 780.5 0.00 0 999.0 7.3
325 4:40 999.0 94 2.8 116 3.7 780.7 0.00 0 999.0 7.3
325 4:50 999.0 94 2.7 120 3.5 780.7 0.00 0 999.0 7.1
325 5:00 999.0 94 3.2 115 4.7 780.6 0.00 0 999.0 6.8
325 5:10 999.0 94 4.8 118 7.2 780.2 0.00 0 999.0 6.9
325 5:20 999.0 93 4.7 114 6.1 780.3 0.00 0 999.0 6.9
325 5:30 999.0 94 3.6 122 5.2 780.3 0.00 0 999.0 6.8
325 5:40 999.0 94 1.8 114 4.0 780.6 0.00 0 999.0 6.1
325 5:50 999.0 94 0.6 129 1.5 781.0 0.00 0 999.0 6.6
325 6:00 999.0 94 0.4 227 2.0 781.2 0.00 0 999.0 6.7
325 6:10 999.0 94 0.8 186 2.6 781.1 0.00 0 999.0 6.4
325 6:20 999.0 94 1.8 127 2.9 781.1 0.00 0 999.0 7.0
325 6:30 999.0 94 4.0 114 6.4 781.1 0.00 0 999.0 7.3
325 6:40 999.0 93 5.0 113 6.7 781.0 0.00 1 999.0 6.7
325 6:50 999.0 93 5.0 114 7.0 781.0 0.00 2 999.0 6.7
325 7:00 999.0 93 3.9 128 6.1 781.0 0.00 5 999.0 7.0
325 7:10 19.5 94 3.4 134 6.3 780.9 0.00 15 999.0 7.0
325 7:20 21.5 97 2.8 156 7.6 781.1 0.00 18 999.0 5.8
325 7:30 23.3 97 2.7 160 4.6 781.5 0.00 25 999.0 5.7
325 7:40 24.3 97 2.0 190 4.3 781.8 0.00 80 999.0 5.6
325 7:50 25.8 97 2.0 172 4.0 781.9 0.00 88 999.0 6.6
325 8:00 25.8 96 2.9 167 5.6 782.0 0.00 150 999.0 5.6
325 8:10 26.5 96 3.1 166 6.4 782.0 0.00 165 999.0 6.7
325 8:20 26.9 95 2.4 152 4.3 782.0 0.00 38 999.0 68.3
325 8:30 26.8 94 3.3 130 6.1 781.9 0.00 52 999.0 161.2
325 8:40 26.0 95 3.9 122 6.1 781.8 0.00 39 999.0 98.7
325 8:50 26.1 95 3.8 127 6.2 781.7 0.00 42 999.0 6.5
325 9:00 26.2 95 3.5 120 6.5 781.9 0.00 39 999.0 6.6
325 9:10 26.3 94 3.5 120 6.2 781.9 0.00 37 999.0 6.9
325 9:20 26.3 93 3.2 129 6.1 781.9 0.00 40 999.0 6.5
325 9:30 26.7 93 2.4 135 4.0 782.0 0.00 70 999.0 6.1
325 9:40 26.8 92 2.1 127 3.7 782.3 0.00 39 999.0 7.1
325 9:50 27.7 91 2.3 140 3.7 782.4 0.00 203 999.0 7.0
325 10:00 28.4 89 1.6 143 3.7 782.5 0.00 394 999.0 7.1
325 10:10 29.1 88 2.2 165 4.5 782.4 0.00 411 999.0 7.5
325 10:20 28.9 88 1.9 186 5.3 782.4 0.00 428 999.0 160.4
325 10:30 29.0 87 2.3 197 4.3 782.4 0.00 442 999.0 162.3
325 10:40 28.9 88 2.0 219 5.3 782.2 0.00 453 999.0 162.3
325 10:50 29.2 90 1.6 268 3.3 782.1 0.00 464 999.0 162.0
325 11:00 29.6 91 1.8 292 3.4 782.2 0.00 471 999.0 161.9
325 11:10 30.0 91 2.0 296 3.8 782.3 0.00 478 999.0 161.6
325 11:20 30.7 92 1.1 304 2.6 782.2 0.00 483 999.0 161.7
325 11:30 31.3 91 1.3 302 3.1 782.2 0.00 488 999.0 161.6
325 11:40 31.9 90 1.3 297 3.2 782.2 0.00 487 999.0 161.9
325 11:50 32.0 89 1.0 286 3.4 782.0 0.00 481 999.0 161.8
325 12:00 32.1 87 2.1 293 4.7 781.9 0.00 481 999.0 161.9
325 12:10 32.3 88 1.0 310 2.6 782.0 0.00 482 999.0 161.9
325 12:20 32.8 88 1.2 302 2.6 781.9 0.00 477 999.0 161.9
325 12:30 33.0 86 1.8 295 4.3 781.9 0.00 472 999.0 162.1
325 12:40 33.2 85 0.9 270 3.8 781.7 0.00 459 999.0 162.2
325 12:50 33.5 84 1.5 304 3.7 781.8 0.00 473 999.0 162.2
325 13:00 33.6 84 1.1 326 2.8 781.8 0.00 441 999.0 162.2
325 13:10 33.8 84 1.5 360 4.5 781.8 0.00 477 999.0 162.3
325 13:20 34.1 86 2.3 107 5.6 781.8 0.00 433 999.0 162.2
325 13:30 32.5 90 1.7 159 3.9 781.8 0.00 155 999.0 162.3
325 13:40 33.3 89 1.8 154 3.6 781.8 0.00 317 999.0 162.3
325 13:50 33.4 83 2.1 152 4.0 781.8 0.00 355 999.0 162.3
325 14:00 33.8 77 2.2 167 4.1 781.7 0.00 270 999.0 162.3
325 14:10 33.3 78 1.4 182 3.3 781.8 0.00 104 999.0 162.3
325 14:20 33.1 82 2.6 194 5.2 781.9 0.00 41 999.0 162.3
325 14:30 32.6 88 2.8 178 4.3 781.7 0.00 107 999.0 162.1
325 14:40 32.8 87 2.6 165 5.3 781.5 0.00 76 999.0 162.1
325 14:50 32.4 86 2.8 165 5.7 781.6 0.00 42 999.0 162.1
325 15:00 33.0 83 3.5 180 5.8 781.6 0.00 40 999.0 161.7
325 15:10 33.6 81 2.3 188 3.4 781.7 0.00 99 999.0 159.3
325 15:20 33.6 83 1.6 196 3.7 781.8 0.00 66 999.0 66.0
325 15:30 33.0 84 1.8 227 3.9 781.8 0.00 100 999.0 6.0
325 15:40 32.5 84 1.5 271 3.9 781.9 0.00 69 999.0 128.3
325 15:50 31.3 88 1.4 295 3.7 781.9 0.00 46 999.0 81.2
325 16:00 31.1 89 0.9 253 2.0 781.9 0.00 23 999.0 6.0
325 16:10 30.2 93 1.3 252 3.3 781.9 0.00 42 999.0 6.2
325 16:20 29.8 95 1.6 223 3.7 782.0 0.00 25 999.0 6.2
325 16:30 29.2 96 1.3 230 2.8 782.1 0.00 12 999.0 6.2
325 16:40 28.7 96 1.3 197 2.8 782.1 0.00 6 999.0 6.2
325 16:50 28.4 96 1.7 141 3.1 782.1 0.00 2 999.0 6.3
325 17:00 28.3 97 2.7 142 6.1 782.1 0.00 2 999.0 6.4
325 17:10 28.1 97 3.3 118 6.6 782.2 0.00 0 999.0 6.3
325 17:20 27.9 97 3.1 100 5.4 782.3 0.00 0 999.0 6.2
325 17:30 27.8 98 2.6 103 5.0 782.4 0.00 0 999.0 6.3
325 17:40 28.0 89 1.4 138 2.2 782.5 0.00 0 999.0 6.4
325 17:50 28.5 83 3.0 128 5.6 782.3 0.00 0 999.0 6.7
325 18:00 28.2 89 4.8 111 6.6 781.9 0.00 0 999.0 6.3
325 18:10 27.9 91 5.0 117 7.6 781.7 0.00 0 999.0 6.3
325 18:20 28.1 93 4.6 123 8.1 781.8 0.00 0 999.0 6.4
325 18:30 28.5 90 2.0 108 4.2 782.2 0.00 0 999.0 6.4
325 18:40 28.6 84 0.8 128 2.0 782.2 0.00 0 999.0 6.5
325 18:50 28.6 79 0.9 260 2.8 782.4 0.00 0 999.0 6.6
325 19:00 28.5 79 0.6 247 1.9 782.5 0.00 0 999.0 6.5
325 19:10 28.8 74 1.8 218 2.8 782.6 0.00 0 999.0 6.3
325 19:20 28.9 73 2.6 182 3.9 782.5 0.00 0 999.0 6.0
325 19:30 28.9 71 1.9 200 2.9 782.6 0.00 0 999.0 6.2
325 19:40 28.7 71 2.2 201 3.7 782.6 0.00 0 999.0 6.1
325 19:50 28.5 70 1.9 222 3.8 782.7 0.00 0 999.0 6.3
325 20:00 28.2 68 2.0 250 4.3 782.8 0.00 0 999.0 6.2
325 20:10 27.9 74 1.5 230 3.4 782.7 0.00 0 999.0 6.2
325 20:20 28.0 75 2.3 234 3.3 782.9 0.00 0 999.0 6.2
325 20:30 27.7 76 1.6 244 3.4 783.0 0.00 0 999.0 6.2
325 20:40 27.4 68 2.0 207 4.6 783.0 0.00 0 999.0 6.3
325 20:50 27.6 64 3.1 166 5.1 782.8 0.00 0 999.0 6.3
325 21:00 27.4 65 1.7 156 3.1 782.8 0.00 0 999.0 6.4
325 21:10 27.1 61 1.0 202 2.8 782.9 0.00 0 999.0 6.5
325 21:20 27.3 64 1.1 211 2.2 782.9 0.00 0 999.0 6.4
325 21:30 27.3 63 2.2 197 3.9 782.8 0.00 0 999.0 6.1
325 21:40 27.6 61 2.7 181 3.7 782.8 0.00 0 999.0 6.2
325 21:50 28.1 60 2.9 176 5.8 782.9 0.00 0 999.0 6.2
325 22:00 28.2 56 4.1 181 5.8 783.0 0.00 0 999.0 6.0
325 22:10 28.1 58 3.6 176 5.1 783.1 0.00 0 999.0 6.0
325 22:20 28.1 56 2.5 175 4.7 783.2 0.00 0 999.0 6.2
325 22:30 28.2 55 2.2 166 3.6 783.1 0.00 0 999.0 6.3
325 22:40 28.2 52 2.8 171 4.6 783.2 0.00 0 999.0 6.2
325 22:50 28.3 49 3.4 180 5.1 783.3 0.00 0 999.0 6.1
325 23:00 28.5 46 3.9 176 6.1 783.4 0.00 0 999.0 6.0
325 23:10 28.7 44 3.2 193 6.8 783.7 0.00 0 999.0 6.0
325 23:20 28.9 40 3.8 193 6.0 783.6 0.00 0 999.0 6.0
325 23:30 28.9 41 1.9 231 3.7 783.7 0.00 0 999.0 6.1
325 23:40 28.9 41 2.2 229 4.8 783.6 0.00 0 999.0 6.1
325 23:50 28.9 40 2.1 252 3.9 783.7 0.00 0 999.0 6.1
326 0:00 28.8 43 1.9 280 3.7 783.8 0.00 0 999.0 6.1
326 0:10 28.7 45 1.8 278 3.9 783.9 0.00 0 999.0 6.1
326 0:20 28.6 48 2.4 234 6.3 783.8 0.00 0 999.0 6.0
326 0:30 28.5 50 1.4 230 3.4 783.7 0.00 0 999.0 6.1
326 0:40 28.4 53 1.8 222 6.1 783.4 0.00 0 999.0 6.0
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Western Regional Climate Center,wrcc@dri.edu