Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 17SEP 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 09/17 12Z 59 54 183 4 0.00 0.00 559 573 7.9 -11.5 1016.9 95 -RA 000BKN000 CLR CLR **** **** 15.0 0.0 0.835 11.0 3 09/17 15Z 60 54 169 5 0.00 0.00 559 575 6.7 -10.2 1018.6 98 000OVC051 CLR CLR 60 59 15.0 0.0 0.847 11.2 6 09/17 18Z 64 54 193 2 0.00 0.00 559 576 6.6 -10.3 1019.6 99 000OVC053 CLR CLR 64 59 15.0 0.0 0.845 11.6 9 09/17 21Z 68 54 278 7 0.00 0.00 560 577 7.0 -10.5 1019.5 99 037OVC054 CLR CLR 68 65 15.0 0.0 0.805 12.8 12 09/18 00Z 68 54 279 9 0.00 0.00 560 576 11.0 -11.4 1018.6 59 037BKN053 CLR CLR 69 65 15.0 0.0 0.748 12.8 15 09/18 03Z 60 55 274 5 0.00 0.00 560 576 11.6 -14.0 1019.1 0 CLR CLR CLR 68 60 15.0 0.0 0.725 13.2 18 09/18 06Z 58 55 270 2 0.00 0.00 560 577 12.1 -13.0 1020.1 0 CLR CLR CLR 67 58 15.0 0.0 0.681 13.5 21 09/18 09Z 57 54 244 1 0.00 0.00 562 579 12.5 -12.0 1019.6 0 CLR CLR CLR 59 57 15.0 0.0 0.691 15.7 24 09/18 12Z 57 53 299 1 0.00 0.00 563 580 12.0 -10.7 1019.5 0 CLR CLR CLR 58 57 15.0 0.0 0.821 15.7 27 09/18 15Z 59 53 241 1 0.00 0.00 564 581 12.5 -10.4 1020.3 0 CLR CLR CLR 59 56 15.0 0.0 0.828 15.9 30 09/18 18Z 68 54 283 5 0.00 0.00 566 583 13.2 -10.7 1020.2 0 CLR CLR CLR 68 56 15.0 0.0 0.786 15.9 33 09/18 21Z 71 54 292 8 0.00 0.00 568 584 14.0 -9.4 1018.4 0 CLR CLR CLR 71 68 15.0 0.0 0.715 16.9 36 09/19 00Z 68 54 277 7 0.00 0.00 570 584 15.8 -8.3 1016.9 0 CLR CLR CLR 72 67 15.0 0.0 0.697 19.4 39 09/19 03Z 59 55 235 3 0.00 0.00 571 585 17.0 -7.3 1016.9 0 CLR CLR CLR 68 59 14.5 0.0 0.701 20.1 42 09/19 06Z 58 55 197 5 0.00 0.00 572 586 17.5 -7.0 1016.5 1 FEW CLR CLR 68 58 13.4 0.0 0.716 21.9 45 09/19 09Z 57 54 217 4 0.00 0.00 572 585 18.0 -7.1 1016.0 2 FEW CLR CLR 58 57 15.0 0.0 0.753 22.2 48 09/19 12Z 56 54 179 3 0.00 0.00 571 584 18.0 -7.4 1015.6 28 008FEW011 CLR 321SCT342 58 56 15.0 0.0 0.765 21.7 51 09/19 15Z 59 54 173 3 0.00 0.00 571 585 17.8 -7.6 1016.0 17 CLR CLR 310FEW331 59 56 15.0 0.0 0.741 20.7 54 09/19 18Z 70 54 288 3 0.00 0.00 572 585 18.0 -7.7 1015.5 11 CLR CLR 309FEW328 70 56 15.0 0.0 0.709 20.9 57 09/19 21Z 73 56 293 9 0.00 0.00 572 584 18.6 -7.9 1013.6 0 CLR CLR CLR 74 70 15.0 0.0 0.675 21.3 60 09/20 00Z 67 54 281 8 0.00 0.00 572 583 18.9 -7.9 1012.7 0 CLR CLR CLR 75 65 15.0 0.0 0.617 22.3 63 09/20 03Z 59 54 229 4 0.00 0.00 572 583 19.0 -8.4 1013.3 3 CLR CLR 365FEW377 66 59 13.4 0.0 0.575 22.6 66 09/20 06Z 57 54 231 4 0.00 0.00 571 582 18.9 -8.5 1013.8 6 010FEW014 CLR 362FEW373 66 57 13.5 0.0 0.585 22.5 69 09/20 09Z 58 54 225 4 0.00 0.00 570 581 18.9 -9.1 1013.3 70 007BKN016 CLR 312FEW330 58 57 15.0 0.0 0.629 22.0 72 09/20 12Z 57 53 222 4 0.00 0.00 569 580 18.6 -10.1 1013.3 75 008BKN017 CLR 310FEW327 58 57 15.0 0.0 0.617 21.0 75 09/20 15Z 58 53 239 5 0.00 0.00 567 579 18.2 -10.8 1014.3 84 004BKN020 CLR 297FEW314 58 57 15.0 0.0 0.661 17.9 78 09/20 18Z 61 53 252 5 0.00 0.00 567 580 18.0 -11.1 1014.7 89 000BKN021 205FEW236 288FEW326 61 57 15.0 0.0 0.729 17.1 81 09/20 21Z 63 53 267 7 0.00 0.00 567 578 18.0 -12.2 1014.0 100 014FEW022 197SCT240 255OVC338 65 62 15.0 0.0 0.743 16.8 84 09/21 00Z 62 54 271 8 0.00 0.00 566 578 18.1 -12.8 1013.4 99 014FEW021 198FEW237 255OVC336 65 62 15.0 0.0 0.686 16.4 87 09/21 03Z 58 54 258 7 0.00 0.00 566 578 18.0 -13.3 1013.9 100 012SCT021 205FEW218 261OVC344 62 58 14.5 0.0 0.642 15.1 90 09/21 06Z 58 53 252 7 0.00 0.00 566 578 18.1 -13.9 1014.5 100 009BKN023 194SCT241 253OVC347 62 58 15.0 0.0 0.660 13.3 93 09/21 09Z 59 53 249 7 0.00 0.00 565 577 18.2 -14.3 1013.9 100 000OVC025 201FEW227 293BKN344 59 58 15.0 0.0 0.689 10.6 96 09/21 12Z 59 53 228 5 0.00 0.00 565 577 17.8 -12.3 1013.9 100 000OVC025 199FEW224 297BKN347 59 58 15.0 0.0 0.681 11.0 99 09/21 15Z 59 52 197 4 0.00 0.00 565 578 18.0 -12.2 1014.6 78 013BKN025 CLR 323FEW339 59 58 15.0 0.0 0.723 13.9 102 09/21 18Z 66 52 206 3 0.00 0.00 567 579 18.2 -12.3 1014.4 43 014SCT025 CLR 324FEW340 66 58 15.0 0.0 0.746 15.6 105 09/21 21Z 71 53 286 7 0.00 0.00 568 579 18.3 -11.4 1012.7 0 CLR CLR CLR 72 66 15.0 0.0 0.766 16.9 108 09/22 00Z 65 54 287 7 0.00 0.00 569 579 19.1 -11.5 1011.7 0 CLR CLR CLR 72 64 15.0 0.0 0.721 21.4 111 09/22 03Z 58 54 276 5 0.00 0.00 569 580 19.7 -11.7 1012.4 0 CLR CLR CLR 65 58 13.5 0.0 0.717 21.6 114 09/22 06Z 57 53 193 3 0.00 0.00 570 581 20.3 -11.3 1012.9 1 FEW CLR CLR 65 57 13.4 0.0 0.724 21.5 117 09/22 09Z 56 53 177 3 0.00 0.00 570 581 21.1 -10.9 1012.4 1 FEW CLR CLR 57 56 15.0 0.0 0.720 22.1 120 09/22 12Z 56 52 158 4 0.00 0.00 571 581 21.1 -9.7 1011.9 0 CLR CLR CLR 57 56 15.0 0.0 0.701 22.3 123 09/22 15Z 58 52 290 0 0.00 0.00 571 582 20.9 -9.0 1013.0 0 CLR CLR CLR 58 56 14.8 0.0 0.749 21.2 126 09/22 18Z 70 53 280 3 0.00 0.00 572 583 21.1 -8.7 1012.7 0 CLR CLR CLR 70 56 15.0 0.0 0.742 21.9 129 09/22 21Z 74 55 297 8 0.00 0.00 574 583 21.2 -8.3 1011.4 0 CLR CLR CLR 75 70 15.0 0.0 0.729 22.3 132 09/23 00Z 69 54 293 8 0.00 0.00 575 583 22.0 -8.2 1010.0 0 CLR CLR CLR 76 68 15.0 0.0 0.657 23.9 135 09/23 03Z 59 54 239 4 0.00 0.00 575 584 22.2 -7.7 1010.5 0 CLR CLR CLR 69 59 14.8 0.0 0.590 24.6 138 09/23 06Z 58 54 204 3 0.00 0.00 575 584 22.2 -7.6 1010.9 3 CLR CLR 371FEW405 69 58 15.0 0.0 0.518 25.6 141 09/23 09Z 57 53 204 2 0.00 0.00 575 584 22.1 -7.7 1010.5 41 CLR CLR 355SCT425 58 57 15.0 0.0 0.465 25.8 144 09/23 12Z 57 52 215 2 0.00 0.00 574 583 21.7 -8.1 1010.8 70 CLR CLR 347BKN431 58 57 15.0 0.0 0.439 24.9 147 09/23 15Z 59 53 208 1 0.00 0.00 574 584 21.4 -8.3 1011.8 100 CLR CLR 330OVC407 59 56 15.0 0.0 0.435 24.7 150 09/23 18Z 70 52 282 3 0.00 0.00 574 584 21.4 -8.2 1011.9 100 CLR CLR 323OVC419 70 56 15.0 0.0 0.453 24.7 153 09/23 21Z 75 52 292 7 0.00 0.00 575 584 21.5 -8.2 1010.5 97 CLR CLR 337BKN435 75 70 15.0 0.0 0.457 25.2 156 09/24 00Z 70 50 293 7 0.00 0.00 575 584 21.8 -8.1 1009.7 58 CLR CLR 341BKN431 75 69 15.0 0.0 0.449 25.4 159 09/24 03Z 59 51 266 4 0.00 0.00 575 584 22.0 -8.5 1010.0 8 CLR CLR 377FEW435 70 59 15.0 0.0 0.488 25.3 162 09/24 06Z 58 53 209 3 0.00 0.00 574 583 21.9 -8.8 1010.7 40 CLR CLR 360SCT435 70 58 15.0 0.0 0.570 24.7 165 09/24 09Z 58 52 255 2 0.00 0.00 574 582 21.8 -9.0 1010.3 100 CLR CLR 335OVC430 58 58 15.0 0.0 0.576 24.8 168 09/24 12Z 58 52 252 2 0.00 0.00 573 582 22.0 -9.5 1010.2 100 CLR CLR 324OVC426 58 57 15.0 0.0 0.618 24.6