Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 4SEP 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 09/04 12Z 57 55 266 2 0.00 0.00 562 573 7.7 -7.7 1012.7 20 000FEW000 CLR CLR **** **** 15.0 0.0 0.797 11.4 3 09/04 15Z 60 56 229 2 0.00 0.00 561 573 8.1 -8.1 1014.1 14 007FEW014 CLR CLR 60 57 15.0 0.0 0.639 11.4 6 09/04 18Z 66 51 274 5 0.00 0.00 561 573 8.9 -8.9 1014.5 8 008FEW014 CLR CLR 66 57 15.0 0.0 0.612 11.9 9 09/04 21Z 69 49 286 10 0.00 0.00 562 574 9.9 -9.6 1013.8 0 CLR CLR CLR 69 66 15.0 0.0 0.514 13.5 12 09/05 00Z 67 48 285 10 0.00 0.00 563 574 11.4 -9.4 1013.3 0 CLR CLR CLR 70 66 15.0 0.0 0.452 14.5 15 09/05 03Z 59 52 288 7 0.00 0.00 563 574 11.8 -9.5 1013.6 0 CLR CLR CLR 67 59 15.0 0.0 0.433 13.7 18 09/05 06Z 57 52 277 4 0.00 0.00 563 575 12.3 -9.8 1014.4 0 CLR CLR CLR 67 57 15.0 0.0 0.540 14.0 21 09/05 09Z 56 53 215 2 0.00 0.00 563 575 12.5 -9.7 1013.8 0 CLR CLR CLR 57 56 15.0 0.0 0.595 14.3 24 09/05 12Z 56 53 179 3 0.00 0.00 563 574 12.3 -10.1 1013.5 0 CLR CLR CLR 57 56 15.0 0.0 0.732 14.8 27 09/05 15Z 59 53 221 3 0.00 0.00 561 574 11.9 -10.4 1014.8 0 CLR CLR CLR 59 56 15.0 0.0 0.792 14.0 30 09/05 18Z 67 50 261 4 0.00 0.00 561 574 11.5 -11.2 1015.0 0 CLR CLR CLR 67 56 15.0 0.0 0.776 13.7 33 09/05 21Z 68 51 278 11 0.00 0.00 562 575 11.9 -9.9 1014.5 5 CLR CLR 295FEW314 69 67 15.0 0.0 0.736 14.4 36 09/06 00Z 66 50 279 9 0.00 0.00 564 576 12.3 -9.6 1014.1 4 CLR CLR 290FEW310 69 66 15.0 0.0 0.713 15.5 39 09/06 03Z 60 52 277 6 0.00 0.00 564 576 12.8 -9.5 1014.0 44 CLR CLR 280SCT324 66 60 15.0 0.0 0.704 15.0 42 09/06 06Z 57 52 250 4 0.00 0.00 564 577 12.7 -9.5 1014.9 23 CLR CLR 280FEW323 66 57 15.0 0.0 0.728 15.0 45 09/06 09Z 56 52 224 4 0.00 0.00 564 576 12.4 -9.5 1014.3 3 CLR CLR 312FEW328 57 56 15.0 0.0 0.665 14.4 48 09/06 12Z 56 52 244 4 0.00 0.00 563 575 12.1 -10.3 1014.1 2 CLR CLR 310FEW324 57 55 15.0 0.0 0.609 13.8 51 09/06 15Z 58 53 190 3 0.00 0.00 563 575 11.7 -10.9 1014.9 16 013FEW018 CLR 284FEW296 58 55 15.0 0.0 0.557 13.9 54 09/06 18Z 66 52 252 6 0.00 0.00 563 576 11.8 -11.0 1015.2 12 013FEW018 CLR 285FEW296 66 55 15.0 0.0 0.520 12.9 57 09/06 21Z 67 50 262 11 0.00 0.00 564 576 11.8 -10.3 1014.6 0 CLR CLR CLR 67 66 15.0 0.0 0.609 14.7 60 09/07 00Z 65 52 273 11 0.00 0.00 565 577 12.4 -9.3 1014.1 0 CLR CLR CLR 67 65 15.0 0.0 0.626 14.7 63 09/07 03Z 58 54 268 8 0.00 0.00 566 578 13.0 -7.9 1014.9 0 CLR CLR CLR 65 58 15.0 0.0 0.607 14.7 66 09/07 06Z 57 54 255 7 0.00 0.00 567 580 14.3 -7.8 1015.2 0 CLR CLR CLR 65 57 14.6 0.0 0.591 15.6 69 09/07 09Z 56 53 238 4 0.00 0.00 568 580 14.7 -7.5 1014.9 1 FEW CLR CLR 57 56 15.0 0.0 0.489 15.5 72 09/07 12Z 56 53 178 4 0.00 0.00 568 581 14.9 -7.8 1014.8 18 010FEW016 CLR CLR 57 55 15.0 0.0 0.469 16.2 75 09/07 15Z 58 53 144 2 0.00 0.00 569 582 14.7 -8.0 1016.1 57 010BKN016 CLR CLR 58 56 15.0 0.0 0.477 15.7 78 09/07 18Z 70 52 295 1 0.00 0.00 570 583 15.3 -8.0 1015.6 31 010SCT016 CLR CLR 70 56 15.0 0.0 0.426 15.8 81 09/07 21Z 74 51 276 6 0.00 0.00 572 584 15.6 -7.9 1013.8 4 FEW CLR CLR 75 70 11.3 0.0 0.404 19.6 84 09/08 00Z 72 51 291 9 0.00 0.00 573 583 17.0 -7.9 1012.5 3 FEW CLR CLR 79 68 15.0 0.0 0.397 20.6 87 09/08 03Z 61 52 294 5 0.00 0.00 572 583 17.1 -8.0 1013.3 0 CLR CLR CLR 72 61 15.0 0.0 0.410 21.0 90 09/08 06Z 60 51 175 2 0.00 0.00 572 583 17.2 -8.5 1013.7 0 CLR CLR CLR 72 59 15.0 0.0 0.483 20.7 93 09/08 09Z 59 50 245 2 0.00 0.00 571 582 17.2 -9.2 1013.3 1 CLR CLR 366FEW389 60 59 15.0 0.0 0.519 20.1 96 09/08 12Z 58 51 190 2 0.00 0.00 570 581 16.8 -9.7 1013.5 3 CLR CLR 352FEW374 60 58 15.0 0.0 0.550 19.8 99 09/08 15Z 61 52 175 1 0.00 0.00 569 581 16.3 -9.3 1014.6 97 CLR CLR 301BKN379 61 58 15.0 0.0 0.528 19.4 102 09/08 18Z 71 52 279 3 0.00 0.00 569 582 16.1 -8.9 1015.1 98 CLR CLR 288OVC382 71 58 15.0 0.0 0.479 18.8 105 09/08 21Z 75 51 289 8 0.00 0.00 570 582 16.3 -8.7 1014.1 99 CLR CLR 295OVC388 75 71 15.0 0.0 0.466 18.6 108 09/09 00Z 69 52 286 10 0.00 0.00 569 581 17.0 -9.1 1013.7 97 CLR CLR 300BKN380 75 68 15.0 0.0 0.472 20.3 111 09/09 03Z 59 55 274 6 0.00 0.00 569 581 16.8 -10.0 1014.5 100 CLR CLR 309OVC361 68 59 15.0 0.0 0.432 19.3 114 09/09 06Z 57 55 257 3 0.00 0.00 568 582 16.8 -10.8 1015.8 96 010FEW013 CLR 311BKN354 68 57 13.4 0.0 0.594 18.1 117 09/09 09Z 57 55 264 2 0.00 0.00 568 581 16.5 -11.0 1016.0 48 009SCT014 200FEW219 320SCT341 58 57 13.5 0.0 0.848 16.9 120 09/09 12Z 56 54 276 1 0.00 0.00 568 581 17.0 -11.3 1015.7 52 007FEW013 200FEW225 309SCT329 57 56 15.0 0.0 0.899 17.7 123 09/09 15Z 59 55 229 1 0.00 0.00 567 582 16.8 -12.2 1017.0 100 000FEW009 204SCT246 282OVC351 59 56 15.0 0.0 1.014 17.9 126 09/09 18Z 66 53 308 2 0.00 0.00 567 582 16.2 -9.9 1018.1 100 062FEW075 142BKN246 294OVC363 66 56 15.0 0.0 1.299 20.2 129 09/09 21Z 69 53 306 2 0.00 0.00 567 582 15.8 -10.4 1017.5 100 086BKN118 131OVC246 248OVC400 69 65 15.0 0.0 1.450 19.5 132 09/10 00Z 69 53 286 3 0.00 0.00 568 582 15.9 -9.8 1016.4 100 083BKN120 129OVC244 259OVC400 70 64 15.0 0.0 1.459 19.2 135 09/10 03Z 63 52 254 3 0.00 0.00 569 582 16.8 -8.7 1016.4 100 103SCT121 139BKN212 261OVC395 69 63 15.0 0.0 1.357 20.0 138 09/10 06Z 64 51 261 4 0.00 0.00 569 583 17.1 -9.8 1016.3 100 103FEW121 141BKN229 254OVC394 69 62 15.0 0.0 1.319 20.1 141 09/10 09Z 63 51 332 3 0.00 0.00 571 583 17.3 -8.1 1014.5 100 104FEW123 175BKN233 247OVC388 64 62 15.0 0.0 1.276 20.8 144 09/10 12Z 63 49 88 1 0.00 0.00 571 582 17.8 -9.2 1013.4 100 CLR 191BKN238 258OVC370 64 62 15.0 0.0 1.337 21.7 147 09/10 15Z 66 49 69 1 0.00 0.00 571 583 18.3 -8.9 1013.4 98 CLR 217BKN242 249OVC363 66 63 15.0 0.0 1.268 22.3 150 09/10 18Z 78 53 241 2 0.00 0.00 572 583 17.8 -8.8 1013.3 62 CLR 210SCT236 250SCT362 79 63 15.0 0.0 1.573 21.6 153 09/10 21Z 78 57 276 3 0.01 0.01 573 583 17.4 -8.8 1011.4 100 -RA 084FEW119 155OVC242 260OVC371 79 71 13.7 0.0 1.524 22.7 156 09/11 00Z 81 54 296 7 0.00 0.00 574 581 18.8 -7.7 1008.8 79 -RA 100FEW119 164BKN235 261SCT370 81 71 15.0 0.0 1.317 23.5 159 09/11 03Z 72 54 306 5 0.00 0.00 572 580 18.2 -8.0 1008.8 89 106BKN123 FEW CLR 81 71 15.0 0.0 1.252 23.4 162 09/11 06Z 67 58 304 3 0.00 0.00 570 578 16.6 -10.1 1010.1 81 104BKN120 195FEW223 CLR 81 67 12.1 0.0 1.413 20.6 165 09/11 09Z 63 60 161 1 0.02 0.02 568 575 15.8 -11.3 1008.8 95 -TSRA CLR 161SCT234 264BKN324 66 63 11.6 0.0 1.385 19.0 168 09/11 12Z 64 59 117 2 0.01 0.01 566 573 14.7 -13.2 1007.7 97 -RA CLR 200BKN240 255BKN301 66 63 15.0 0.0 1.227 19.5