Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 19SEP 2026 Clouds Bases and Tops are now agl HR Valid 2m Tmp 2m Dpt 10m Dir 10m Spd TPrcp CPrcp 1000-500 500mb 850mb 500mb MSLP TCC PRS WX Low Middle High Max Min Sfc Snowfall PWAT 925mb Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds Clouds Clouds Tmp Tmp Vis in in Tmp 0 09/19 12Z 58 54 200 3 0.00 0.00 570 584 17.5 -7.9 1016.5 85 000BKN000 CLR 000FEW000 **** **** 15.0 0.0 0.765 20.1 3 09/19 15Z 59 54 188 3 0.00 0.00 571 585 18.0 -8.1 1016.8 86 010BKN019 CLR 326FEW337 59 58 15.0 0.0 0.727 20.1 6 09/19 18Z 67 55 232 2 0.00 0.00 571 585 18.1 -8.1 1016.6 61 010BKN018 CLR 316FEW329 67 58 15.0 0.0 0.684 20.0 9 09/19 21Z 72 56 287 7 0.00 0.00 572 585 18.4 -8.1 1014.7 0 CLR CLR CLR 72 67 15.2 0.0 0.613 21.0 12 09/20 00Z 65 55 280 9 0.00 0.00 572 584 18.4 -7.8 1013.9 3 CLR CLR 356FEW386 72 64 15.0 0.0 0.595 21.9 15 09/20 03Z 58 54 243 5 0.00 0.00 572 584 18.7 -7.5 1014.4 76 CLR CLR 330BKN398 66 58 13.5 0.0 0.549 22.2 18 09/20 06Z 58 54 196 5 0.00 0.00 572 584 18.8 -7.3 1014.3 61 012FEW014 CLR 331BKN399 65 57 13.6 0.0 0.533 23.1 21 09/20 09Z 57 54 193 4 0.00 0.00 571 583 18.8 -8.0 1013.8 100 011FEW015 CLR 302OVC387 58 57 15.0 0.0 0.511 22.5 24 09/20 12Z 58 54 208 4 0.00 0.00 570 582 18.8 -8.7 1013.8 100 009SCT016 CLR 285OVC374 58 57 15.0 0.0 0.535 21.3 27 09/20 15Z 59 54 209 4 0.00 0.00 569 581 18.3 -9.2 1014.5 100 010BKN017 219SCT246 252OVC318 59 58 15.0 0.0 0.612 19.2 30 09/20 18Z 65 54 217 2 0.00 0.00 569 581 18.0 -10.3 1014.5 100 010SCT017 216BKN246 254BKN342 65 58 15.0 0.0 0.586 19.5 33 09/20 21Z 67 54 258 6 0.00 0.00 568 580 18.0 -11.6 1013.8 100 CLR 197OVC246 271OVC350 67 65 15.0 0.0 0.628 18.7 36 09/21 00Z 62 54 271 6 0.00 0.00 568 579 18.3 -12.0 1013.1 100 CLR 203BKN245 261OVC347 67 62 15.0 0.0 0.660 20.2 39 09/21 03Z 58 55 259 5 0.00 0.00 567 578 18.7 -13.0 1013.5 99 013FEW014 197BKN242 247OVC310 63 58 13.6 0.0 0.799 18.7 42 09/21 06Z 58 54 231 4 0.00 0.00 566 578 19.0 -13.3 1014.0 100 009SCT018 185BKN243 249BKN300 63 58 13.5 0.0 0.801 16.5 45 09/21 09Z 59 54 246 5 0.00 0.00 566 577 18.5 -13.0 1013.4 100 000BKN021 163BKN243 244OVC326 59 58 15.0 0.0 0.841 17.3 48 09/21 12Z 59 53 230 4 0.00 0.00 565 576 18.7 -14.8 1013.3 99 000BKN022 171BKN227 244BKN317 59 58 15.0 0.0 0.784 15.8 51 09/21 15Z 60 53 218 3 0.00 0.00 565 577 18.8 -14.5 1013.6 95 005BKN023 187FEW200 295FEW305 60 58 15.0 0.0 0.786 17.5 54 09/21 18Z 67 53 217 2 0.00 0.00 566 577 18.6 -14.1 1013.5 52 006SCT023 183FEW199 CLR 67 58 15.0 0.0 0.714 16.7 57 09/21 21Z 72 54 285 7 0.00 0.00 567 577 18.7 -13.4 1012.0 0 CLR 175FEW190 CLR 73 67 15.0 0.0 0.760 17.5 60 09/22 00Z 66 54 285 8 0.00 0.00 568 577 19.1 -13.0 1011.4 33 CLR CLR 254SCT324 73 64 15.0 0.0 0.718 21.6 63 09/22 03Z 59 55 277 5 0.00 0.00 568 578 19.5 -13.0 1012.2 25 CLR CLR 260SCT288 66 59 13.5 0.0 0.748 20.8 66 09/22 06Z 57 54 228 3 0.00 0.00 568 579 19.5 -12.6 1012.3 14 FEW CLR 260FEW289 66 57 13.9 0.0 0.781 21.0 69 09/22 09Z 56 53 204 3 0.00 0.00 568 578 19.8 -12.7 1011.7 1 FEW CLR CLR 57 56 14.6 0.0 0.774 20.6 72 09/22 12Z 56 53 171 4 0.00 0.00 568 578 19.7 -12.5 1011.5 1 CLR CLR 327FEW338 57 56 15.0 0.0 0.785 21.1 75 09/22 15Z 57 53 166 2 0.00 0.00 568 579 20.2 -11.7 1012.5 1 CLR CLR 312FEW324 57 55 15.0 0.0 0.795 19.9 78 09/22 18Z 67 54 242 1 0.00 0.00 569 580 19.9 -11.6 1012.8 0 CLR CLR 312FEW325 67 55 15.0 0.0 0.803 18.8 81 09/22 21Z 73 55 291 7 0.00 0.00 571 580 19.9 -9.7 1011.1 0 CLR CLR CLR 73 67 15.0 0.0 0.791 19.9 84 09/23 00Z 67 55 285 7 0.00 0.00 572 581 21.0 -9.1 1010.3 0 CLR CLR CLR 74 65 15.0 0.0 0.754 22.6 87 09/23 03Z 59 55 239 3 0.00 0.00 572 582 21.4 -8.8 1011.2 0 CLR CLR CLR 67 59 13.3 0.0 0.724 22.5 90 09/23 06Z 58 55 197 4 0.00 0.00 572 582 21.7 -9.1 1011.8 1 FEW CLR CLR 67 58 14.3 0.0 0.696 23.0 93 09/23 09Z 57 54 177 4 0.00 0.00 573 582 22.1 -9.5 1011.6 6 FEW CLR 376FEW392 58 57 15.0 0.0 0.653 24.0 96 09/23 12Z 56 53 178 3 0.00 0.00 572 582 21.8 -9.2 1011.6 8 CLR CLR 361FEW381 58 56 15.0 0.0 0.602 23.1 99 09/23 15Z 58 53 161 1 0.00 0.00 573 583 21.3 -8.3 1012.7 84 CLR CLR 311BKN404 59 56 15.0 0.0 0.578 23.0 102 09/23 18Z 69 52 305 3 0.00 0.00 573 584 21.2 -8.5 1013.0 92 CLR CLR 302BKN403 69 56 15.0 0.0 0.545 22.6 105 09/23 21Z 75 53 292 6 0.00 0.00 574 584 21.2 -8.4 1011.8 79 CLR CLR 324BKN392 75 69 15.0 0.0 0.492 23.6 108 09/24 00Z 69 53 293 7 0.00 0.00 575 584 21.6 -8.7 1010.9 81 CLR CLR 321BKN393 75 69 15.0 0.0 0.472 24.8 111 09/24 03Z 60 53 259 3 0.00 0.00 574 584 21.5 -9.2 1011.6 100 CLR CLR 303OVC425 69 60 15.0 0.0 0.490 24.4 114 09/24 06Z 59 53 204 3 0.00 0.00 574 584 21.5 -9.4 1012.2 100 CLR CLR 301OVC430 69 59 15.0 0.0 0.516 24.4 117 09/24 09Z 59 53 189 3 0.00 0.00 574 584 21.2 -9.6 1011.6 98 CLR CLR 357BKN416 59 59 15.0 0.0 0.529 24.1 120 09/24 12Z 59 52 180 3 0.00 0.00 573 583 20.7 -9.8 1011.5 80 CLR CLR 370BKN420 59 58 15.0 0.0 0.544 23.9 123 09/24 15Z 61 51 181 2 0.00 0.00 573 583 20.7 -9.7 1012.2 2 CLR CLR 411FEW422 61 58 15.0 0.0 0.551 23.9 126 09/24 18Z 73 52 274 2 0.00 0.00 573 584 20.7 -9.4 1012.3 1 CLR CLR CLR 74 58 15.0 0.0 0.522 23.5 129 09/24 21Z 76 53 296 8 0.00 0.00 574 583 20.6 -9.3 1011.3 0 CLR CLR CLR 78 73 15.0 0.0 0.536 24.1 132 09/25 00Z 69 53 286 8 0.00 0.00 573 583 20.8 -9.4 1011.0 2 CLR CLR 408FEW421 78 68 15.0 0.0 0.505 24.0 135 09/25 03Z 60 53 243 4 0.00 0.00 573 583 20.6 -9.5 1011.8 5 CLR CLR 421FEW435 69 60 15.0 0.0 0.540 22.9 138 09/25 06Z 59 52 204 4 0.00 0.00 572 582 20.4 -9.9 1012.1 44 CLR CLR 361SCT420 69 59 15.0 0.0 0.653 23.7 141 09/25 09Z 59 52 208 3 0.00 0.00 571 581 19.8 -10.1 1011.7 100 CLR CLR 289OVC392 59 59 15.0 0.0 0.696 22.8 144 09/25 12Z 57 53 224 3 0.00 0.00 570 580 18.4 -10.3 1012.3 100 CLR CLR 298OVC370 59 57 15.0 0.0 0.768 21.1 147 09/25 15Z 59 53 201 4 0.00 0.00 568 580 17.3 -10.1 1013.3 100 CLR CLR 325OVC373 59 57 15.0 0.0 0.825 19.6 150 09/25 18Z 68 51 225 3 0.00 0.00 569 580 16.9 -10.5 1013.5 100 CLR CLR 302OVC394 68 57 15.0 0.0 0.821 19.9 153 09/25 21Z 72 52 271 7 0.00 0.00 569 579 16.6 -9.9 1012.5 89 CLR CLR 343BKN408 73 68 15.0 0.0 0.811 19.6 156 09/26 00Z 68 54 268 8 0.00 0.00 568 579 16.4 -9.9 1011.8 51 CLR CLR 343BKN405 73 67 15.0 0.0 0.851 19.3 159 09/26 03Z 60 56 234 4 0.00 0.00 568 579 16.5 -10.2 1012.6 59 CLR CLR 330BKN376 68 60 15.0 0.0 0.861 18.8 162 09/26 06Z 59 56 195 5 0.00 0.00 567 579 16.2 -10.0 1013.3 71 CLR CLR 325BKN373 67 59 15.0 0.0 0.844 18.0 165 09/26 09Z 58 55 221 4 0.00 0.00 567 578 16.1 -10.3 1013.1 10 FEW CLR 282FEW301 59 58 15.0 0.0 0.839 17.5 168 09/26 12Z 56 54 216 3 0.00 0.00 566 577 15.8 -10.5 1013.4 8 009FEW011 CLR 278FEW297 59 56 15.0 0.0 0.811 17.4