Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 31JAN 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 01/31 00Z 61 48 17 1 0.00 0.00 563 583 14.7 -13.3 1023.2 18 CLR CLR 000FEW000 **** **** 15.0 0.0 0.379 17.9 3 01/31 03Z 54 49 35 3 0.00 0.00 563 583 15.2 -13.3 1023.7 77 CLR CLR 312BKN417 61 54 15.0 0.0 0.369 18.7 6 01/31 06Z 52 48 34 3 0.00 0.00 563 583 14.9 -13.3 1023.7 88 CLR CLR 315BKN418 61 52 15.0 0.0 0.365 17.7 9 01/31 09Z 51 46 39 2 0.00 0.00 563 582 14.6 -13.4 1023.0 100 CLR CLR 290OVC429 52 51 15.0 0.0 0.350 17.2 12 01/31 12Z 51 45 54 3 0.00 0.00 562 581 14.3 -13.9 1022.4 100 CLR CLR 284OVC429 52 51 15.0 0.0 0.345 17.2 15 01/31 15Z 50 44 66 2 0.00 0.00 563 581 14.4 -14.1 1021.9 100 CLR CLR 274OVC421 51 50 15.0 0.0 0.332 17.8 18 01/31 18Z 56 46 33 2 0.00 0.00 562 581 14.4 -13.7 1021.9 100 CLR CLR 277OVC419 56 50 15.0 0.0 0.342 17.6 21 01/31 21Z 63 46 308 3 0.00 0.00 562 579 14.0 -13.9 1019.8 100 CLR CLR 288OVC405 63 57 15.0 0.0 0.372 17.0 24 02/01 00Z 62 48 311 3 0.00 0.00 562 577 13.3 -14.5 1018.4 100 CLR CLR 287OVC404 64 56 15.0 0.0 0.395 16.0 27 02/01 03Z 55 47 68 1 0.00 0.00 561 576 13.4 -15.0 1018.8 98 CLR 217FEW243 303BKN404 62 55 15.0 0.0 0.395 16.2 30 02/01 06Z 54 47 118 2 0.00 0.00 560 576 12.6 -15.5 1019.1 99 CLR 217FEW242 317OVC404 62 53 15.0 0.0 0.387 15.9 33 02/01 09Z 53 47 98 5 0.00 0.00 558 574 12.2 -16.6 1018.9 100 CLR 214FEW225 336OVC403 54 53 15.0 0.0 0.357 16.0 36 02/01 12Z 51 46 229 1 0.00 0.00 557 573 10.9 -16.8 1019.5 100 CLR CLR 338OVC402 54 51 15.0 0.0 0.346 14.5 39 02/01 15Z 51 46 114 1 0.00 0.00 556 572 10.4 -17.7 1020.5 100 CLR 222FEW241 324OVC397 52 51 15.0 0.0 0.457 13.7 42 02/01 18Z 57 46 304 1 0.00 0.00 555 573 9.7 -17.6 1021.4 100 CLR 219FEW237 316OVC380 57 50 15.0 0.0 0.451 13.3 45 02/01 21Z 61 41 308 5 0.00 0.00 555 572 9.3 -17.5 1020.2 100 CLR CLR 270OVC340 61 57 15.0 0.0 0.495 12.9 48 02/02 00Z 60 45 290 6 0.00 0.00 556 572 9.2 -18.1 1019.4 100 CLR CLR 270OVC352 62 57 15.0 0.0 0.459 12.3 51 02/02 03Z 54 48 279 3 0.00 0.00 555 572 9.4 -18.4 1020.6 100 CLR CLR 291OVC341 60 54 15.0 0.0 0.467 12.3 54 02/02 06Z 52 49 245 1 0.00 0.00 555 573 10.0 -17.6 1021.2 54 CLR CLR 292BKN341 60 52 15.0 0.0 0.442 12.2 57 02/02 09Z 52 48 30 1 0.00 0.00 556 573 10.3 -17.4 1021.3 0 CLR CLR CLR 52 52 15.0 0.0 0.395 12.5 60 02/02 12Z 50 47 106 1 0.00 0.00 556 574 10.8 -16.3 1021.0 0 CLR CLR CLR 52 50 15.0 0.0 0.406 12.4 63 02/02 15Z 49 46 334 2 0.00 0.00 557 575 10.0 -16.0 1021.9 0 CLR CLR CLR 50 49 15.0 0.0 0.395 12.1 66 02/02 18Z 57 46 331 1 0.00 0.00 557 576 11.2 -16.2 1022.6 17 CLR CLR 324FEW367 57 49 15.0 0.0 0.383 12.4 69 02/02 21Z 61 46 305 3 0.00 0.00 559 576 12.0 -16.0 1021.1 100 CLR CLR 272OVC365 61 57 15.0 0.0 0.386 12.2 72 02/03 00Z 62 44 304 3 0.00 0.00 560 577 11.7 -16.2 1020.2 97 CLR CLR 278BKN358 63 57 15.0 0.0 0.355 13.6 75 02/03 03Z 55 44 341 0 0.00 0.00 560 578 12.3 -16.2 1021.2 100 CLR CLR 289OVC365 62 55 15.0 0.0 0.340 14.9 78 02/03 06Z 53 44 14 2 0.00 0.00 560 579 12.5 -16.0 1022.7 53 CLR CLR 289BKN361 62 53 15.0 0.0 0.357 14.3 81 02/03 09Z 52 42 43 1 0.00 0.00 560 579 12.3 -15.9 1023.0 4 CLR CLR 258FEW274 53 52 15.0 0.0 0.337 14.8 84 02/03 12Z 51 41 91 2 0.00 0.00 560 580 12.4 -16.0 1023.1 2 CLR CLR 258FEW274 53 51 15.0 0.0 0.325 15.0 87 02/03 15Z 50 41 69 2 0.00 0.00 561 580 13.0 -15.8 1023.7 2 CLR CLR 370FEW381 51 50 15.0 0.0 0.317 15.3 90 02/03 18Z 58 44 19 2 0.00 0.00 561 582 13.5 -15.0 1025.0 2 CLR CLR 372FEW392 58 49 15.0 0.0 0.322 15.2 93 02/03 21Z 64 45 325 3 0.00 0.00 562 582 13.7 -13.4 1023.4 33 CLR CLR 337SCT382 64 58 15.0 0.0 0.338 14.8 96 02/04 00Z 64 47 7 2 0.00 0.00 563 582 14.0 -12.8 1022.5 67 CLR CLR 322BKN382 65 58 15.0 0.0 0.349 15.8 99 02/04 03Z 56 47 57 2 0.00 0.00 564 583 14.5 -12.3 1023.3 7 CLR CLR 298FEW346 64 56 15.0 0.0 0.329 17.0 102 02/04 06Z 54 46 63 3 0.00 0.00 564 584 14.7 -12.1 1023.9 5 CLR CLR 292FEW323 64 53 15.0 0.0 0.327 16.5 105 02/04 09Z 52 45 48 2 0.00 0.00 564 584 14.6 -12.2 1023.6 5 CLR CLR 294FEW311 53 52 15.0 0.0 0.313 16.7 108 02/04 12Z 51 44 48 2 0.00 0.00 564 584 14.4 -11.8 1023.3 5 CLR CLR 288FEW305 53 51 15.0 0.0 0.309 16.4 111 02/04 15Z 50 42 56 3 0.00 0.00 565 584 14.9 -11.7 1023.3 0 CLR CLR CLR 51 50 15.0 0.0 0.309 16.6 114 02/04 18Z 59 44 20 1 0.00 0.00 565 585 15.1 -11.6 1023.9 0 CLR CLR CLR 59 50 15.0 0.0 0.340 16.9 117 02/04 21Z 66 46 316 3 0.00 0.00 565 584 15.1 -12.0 1022.0 0 CLR CLR CLR 66 59 15.0 0.0 0.384 16.3 120 02/05 00Z 66 47 343 2 0.00 0.00 566 583 15.4 -12.1 1020.5 0 CLR CLR CLR 68 59 15.0 0.0 0.392 16.9 123 02/05 03Z 57 46 62 2 0.00 0.00 566 583 15.7 -12.5 1020.8 0 CLR CLR CLR 66 57 15.0 0.0 0.367 18.3 126 02/05 06Z 55 44 70 3 0.00 0.00 566 583 15.5 -12.4 1020.8 0 CLR CLR CLR 66 55 15.0 0.0 0.397 17.7 129 02/05 09Z 53 43 57 3 0.00 0.00 565 582 15.3 -12.4 1020.1 0 CLR CLR CLR 55 53 15.0 0.0 0.420 17.6 132 02/05 12Z 52 43 62 3 0.00 0.00 564 580 15.4 -12.6 1019.0 0 CLR CLR CLR 55 52 15.0 0.0 0.404 17.6 135 02/05 15Z 50 43 63 3 0.00 0.00 564 579 15.4 -12.8 1018.9 0 CLR CLR CLR 52 50 15.0 0.0 0.370 18.0 138 02/05 18Z 59 46 33 2 0.00 0.00 563 579 15.6 -13.3 1018.9 0 CLR CLR CLR 59 50 15.0 0.0 0.427 18.3 141 02/05 21Z 67 48 316 1 0.00 0.00 563 577 14.1 -13.8 1016.7 66 CLR CLR 323BKN376 67 59 15.0 0.0 0.472 17.2 144 02/06 00Z 66 49 308 2 0.00 0.00 562 575 14.0 -15.0 1015.8 83 CLR CLR 306BKN374 68 59 15.0 0.0 0.468 17.1 147 02/06 03Z 59 48 92 2 0.00 0.00 560 574 13.8 -15.4 1016.6 100 CLR FEW 258OVC384 65 59 15.0 0.0 0.500 17.3 150 02/06 06Z 58 48 78 2 0.00 0.00 560 574 13.8 -16.5 1016.6 100 CLR 221FEW242 251OVC376 66 57 15.0 0.0 0.491 17.5 153 02/06 09Z 57 47 80 2 0.00 0.00 559 572 13.5 -18.0 1015.8 100 CLR 213OVC241 254OVC362 58 57 15.0 0.0 0.494 17.7 156 02/06 12Z 56 46 62 2 0.00 0.00 557 570 12.9 -19.7 1015.7 100 CLR 198OVC241 263OVC343 58 56 15.0 0.0 0.537 17.1 159 02/06 15Z 56 46 91 2 0.00 0.00 555 569 12.4 -19.9 1016.3 100 CLR 171OVC240 253OVC296 57 56 15.0 0.0 0.542 16.7 162 02/06 18Z 62 47 74 2 0.00 0.00 554 568 11.6 -19.9 1017.3 100 CLR 163BKN240 247OVC284 62 56 15.0 0.0 0.600 15.6 165 02/06 21Z 69 45 261 2 0.00 0.00 554 567 12.0 -20.2 1015.3 90 112FEW120 124BKN234 240SCT259 69 63 15.0 0.0 0.683 15.6 168 02/07 00Z 65 45 291 4 0.00 0.00 553 566 10.8 -20.3 1014.8 95 101FEW120 122BKN236 239SCT264 69 63 15.0 0.0 0.712 15.6