Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 12AUG 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 08/12 00Z 68 54 296 9 0.00 0.00 577 589 23.3 -8.2 1013.0 0 CLR CLR CLR **** **** 15.1 0.0 0.897 24.2 3 08/12 03Z 58 54 296 6 0.00 0.00 577 588 23.0 -8.1 1013.5 0 CLR CLR 345FEW358 67 58 15.1 0.0 0.921 22.7 6 08/12 06Z 56 53 280 3 0.00 0.00 576 588 23.0 -8.1 1013.8 20 CLR CLR 333FEW366 67 55 13.4 0.0 0.873 22.1 9 08/12 09Z 55 52 233 1 0.00 0.00 576 586 22.9 -8.7 1012.9 15 FEW CLR 326FEW364 56 55 13.5 0.0 0.842 22.1 12 08/12 12Z 54 52 159 2 0.00 0.00 575 585 22.2 -8.9 1012.3 55 FEW CLR 305BKN396 56 54 14.9 0.0 0.832 21.2 15 08/12 15Z 58 52 173 3 0.00 0.00 574 585 21.3 -8.5 1012.5 100 CLR CLR 288OVC393 58 54 15.0 0.0 0.809 21.0 18 08/12 18Z 69 53 300 3 0.00 0.00 575 585 21.3 -9.0 1011.7 99 CLR CLR 283OVC377 69 54 15.0 0.0 0.822 20.1 21 08/12 21Z 73 54 299 9 0.00 0.00 575 584 21.6 -9.2 1009.9 100 CLR 233FEW248 273OVC361 74 69 15.0 0.0 0.903 20.2 24 08/13 00Z 69 55 297 10 0.00 0.00 575 583 21.6 -8.5 1008.6 95 CLR 231FEW247 262BKN343 74 66 15.1 0.0 0.933 21.1 27 08/13 03Z 59 54 288 7 0.00 0.00 574 582 20.9 -8.8 1009.1 9 CLR CLR 271FEW309 69 59 15.0 0.0 0.975 18.9 30 08/13 06Z 57 54 232 3 0.00 0.00 573 582 21.3 -9.0 1010.3 21 CLR CLR 256FEW311 69 56 15.0 0.0 0.973 16.6 33 08/13 09Z 56 53 207 3 0.00 0.00 572 580 20.9 -9.5 1009.6 95 010FEW018 FEW 248BKN305 57 56 15.0 0.0 0.997 13.7 36 08/13 12Z 57 53 166 5 0.00 0.00 571 579 19.4 -10.3 1009.9 97 010SCT021 202SCT246 247BKN305 57 56 15.0 0.0 1.067 11.8 39 08/13 15Z 59 54 185 5 0.00 0.00 570 580 18.2 -10.7 1011.2 99 013BKN024 200BKN243 246BKN312 59 56 15.0 0.0 1.040 10.8 42 08/13 18Z 62 54 227 10 0.00 0.00 569 580 17.6 -10.7 1012.2 99 011BKN027 201SCT242 246BKN316 62 56 15.0 0.0 0.993 10.8 45 08/13 21Z 66 54 245 13 0.00 0.00 569 579 17.5 -10.2 1011.6 94 012BKN031 CLR 247BKN334 66 62 15.0 0.0 0.910 12.3 48 08/14 00Z 63 54 248 15 0.00 0.00 570 579 16.7 -9.5 1011.4 63 012SCT030 CLR 250BKN335 66 62 15.0 0.0 0.884 11.6 51 08/14 03Z 58 54 243 10 0.00 0.00 569 580 16.2 -9.1 1012.7 47 014SCT026 CLR 287FEW312 63 58 15.0 0.0 0.813 10.1 54 08/14 06Z 58 54 230 8 0.00 0.00 569 580 16.9 -9.2 1013.5 70 006BKN028 CLR 285FEW334 63 58 15.0 0.0 0.759 9.9 57 08/14 09Z 58 54 225 6 0.00 0.00 568 579 16.2 -9.3 1013.7 98 000BKN032 CLR 287BKN346 58 58 15.0 0.0 0.759 9.9 60 08/14 12Z 58 55 191 4 0.00 0.00 567 579 15.3 -9.4 1014.0 99 000OVC034 CLR 289SCT344 59 58 15.0 0.0 0.747 9.9 63 08/14 15Z 60 54 203 4 0.00 0.00 567 580 15.0 -9.9 1015.3 89 014BKN033 CLR 318FEW332 60 58 15.0 0.0 0.725 10.2 66 08/14 18Z 65 54 232 6 0.00 0.00 567 580 14.6 -9.8 1016.1 78 017BKN033 CLR 320FEW334 65 58 15.0 0.0 0.719 11.1 69 08/14 21Z 68 54 253 12 0.00 0.00 568 581 15.0 -10.0 1015.6 22 025FEW032 CLR 328FEW362 68 65 15.0 0.0 0.725 13.1 72 08/15 00Z 64 54 268 10 0.00 0.00 568 581 15.5 -9.5 1015.2 12 024FEW032 CLR 311FEW333 68 64 15.0 0.0 0.692 12.8 75 08/15 03Z 58 54 266 7 0.00 0.00 568 581 15.9 -9.7 1015.8 50 017FEW023 CLR 310SCT361 64 58 15.0 0.0 0.686 12.4 78 08/15 06Z 58 53 256 6 0.00 0.00 568 582 16.8 -9.7 1016.7 67 013SCT024 CLR 311FEW362 64 58 13.5 0.0 0.704 11.3 81 08/15 09Z 58 53 248 5 0.00 0.00 567 581 16.3 -9.9 1016.8 95 007BKN026 CLR CLR 58 58 13.4 0.0 0.690 11.2 84 08/15 12Z 57 54 257 4 0.00 0.00 566 581 15.9 -9.9 1017.0 94 006BKN027 CLR CLR 58 57 13.5 0.0 0.685 10.2 87 08/15 15Z 59 53 227 4 0.00 0.00 567 582 15.6 -9.3 1017.9 92 000BKN028 CLR 327FEW349 59 57 15.0 0.0 0.686 10.6 90 08/15 18Z 65 54 271 6 0.00 0.00 567 583 15.7 -8.6 1018.3 93 009BKN028 CLR 281SCT401 65 57 15.0 0.0 0.698 11.6 93 08/15 21Z 67 54 277 10 0.00 0.00 569 584 16.1 -8.0 1018.0 34 CLR CLR 277SCT414 68 65 15.0 0.0 0.694 13.9 96 08/16 00Z 64 54 275 9 0.00 0.00 569 584 16.3 -7.9 1017.2 65 CLR CLR 285BKN417 68 63 15.0 0.0 0.713 16.9 99 08/16 03Z 58 54 277 4 0.00 0.00 570 584 17.2 -8.0 1017.1 100 CLR CLR 288OVC402 64 58 14.6 0.0 0.633 18.7 102 08/16 06Z 56 53 263 5 0.00 0.00 569 585 17.6 -8.3 1018.4 100 010FEW016 CLR 293OVC372 64 55 15.0 0.0 0.720 17.5 105 08/16 09Z 56 52 252 4 0.00 0.00 569 584 17.5 -8.7 1017.9 97 008BKN017 CLR 286BKN320 56 56 15.0 0.0 0.681 17.2 108 08/16 12Z 56 52 241 3 0.00 0.00 568 583 16.7 -9.0 1017.9 95 006BKN018 CLR 307SCT352 57 55 15.0 0.0 0.660 17.3 111 08/16 15Z 58 52 253 3 0.00 0.00 568 584 16.7 -8.7 1019.0 87 009BKN018 CLR 369FEW407 58 56 15.0 0.0 0.688 17.0 114 08/16 18Z 67 53 283 4 0.00 0.00 569 585 16.6 -8.4 1018.9 71 010BKN018 CLR 351SCT428 67 56 15.0 0.0 0.686 17.7 117 08/16 21Z 69 53 292 9 0.00 0.00 571 586 17.1 -7.9 1018.2 60 CLR CLR 318BKN409 70 67 15.0 0.0 0.681 18.5 120 08/17 00Z 66 53 288 10 0.00 0.00 571 586 17.6 -8.1 1017.3 80 CLR CLR 329BKN422 70 64 15.0 0.0 0.682 19.5 123 08/17 03Z 58 53 277 5 0.00 0.00 571 586 18.2 -8.0 1017.2 87 CLR CLR 329BKN426 65 58 15.0 0.0 0.631 19.2 126 08/17 06Z 57 54 228 2 0.00 0.00 571 586 18.1 -8.2 1018.6 93 CLR CLR 308BKN423 65 57 15.0 0.0 0.636 19.5 129 08/17 09Z 56 53 267 3 0.00 0.00 570 586 17.9 -7.9 1018.4 100 CLR CLR 287OVC395 57 56 15.0 0.0 0.598 18.4 132 08/17 12Z 55 53 263 2 0.00 0.00 569 585 17.3 -8.4 1018.6 59 CLR CLR 296BKN397 57 55 15.0 0.0 0.594 17.5 135 08/17 15Z 58 54 189 1 0.00 0.00 569 585 17.4 -8.9 1019.2 100 CLR CLR 309OVC433 58 55 15.0 0.0 0.611 18.2 138 08/17 18Z 66 53 282 4 0.00 0.00 570 586 17.1 -8.9 1019.5 100 CLR CLR 310OVC416 66 55 15.0 0.0 0.624 17.8 141 08/17 21Z 69 52 290 8 0.00 0.00 571 587 17.3 -8.2 1018.8 99 CLR CLR 294OVC365 70 66 15.0 0.0 0.615 18.2 144 08/18 00Z 67 53 291 9 0.00 0.00 572 587 18.1 -7.9 1017.8 87 CLR 238FEW248 323BKN394 70 65 15.0 0.0 0.641 19.3 147 08/18 03Z 58 54 279 5 0.00 0.00 572 587 18.2 -7.3 1018.6 91 CLR 223FEW239 360BKN445 67 58 15.0 0.0 0.676 19.1 150 08/18 06Z 56 54 230 3 0.00 0.00 572 588 18.3 -6.3 1019.6 94 CLR 229FEW247 329BKN410 67 56 15.0 0.0 0.683 19.3 153 08/18 09Z 56 53 228 3 0.00 0.00 572 588 18.5 -6.6 1019.1 100 CLR CLR 288OVC429 57 56 15.0 0.0 0.662 19.2 156 08/18 12Z 55 53 206 2 0.00 0.00 572 587 18.7 -7.9 1018.5 100 CLR CLR 299OVC411 57 55 15.0 0.0 0.711 19.8 159 08/18 15Z 59 54 220 2 0.00 0.00 572 588 18.7 -7.6 1018.5 68 CLR 184FEW194 303BKN375 59 55 15.0 0.0 0.730 20.6 162 08/18 18Z 70 53 284 4 0.00 0.00 574 589 18.7 -7.0 1017.6 35 CLR CLR 303SCT373 70 55 15.0 0.0 0.749 20.6 165 08/18 21Z 70 52 274 9 0.00 0.00 574 588 19.2 -7.6 1016.9 21 CLR 213FEW245 286FEW314 72 68 15.0 0.0 0.751 21.0 168 08/19 00Z 65 53 272 10 0.00 0.00 573 587 19.4 -8.2 1016.6 29 CLR 209FEW240 349FEW402 72 65 15.0 0.0 0.787 20.0