Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 17MAY 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 05/17 00Z 61 46 259 10 0.00 0.00 561 573 12.1 -13.4 1014.2 8 CLR CLR 000FEW000 **** **** 15.0 0.0 0.504 14.8 3 05/17 03Z 54 46 240 5 0.00 0.00 561 572 12.1 -12.1 1014.0 19 CLR CLR 349FEW407 61 54 15.0 0.0 0.542 15.0 6 05/17 06Z 51 45 224 4 0.00 0.00 561 573 12.5 -11.4 1014.1 45 CLR CLR 307SCT416 61 51 15.0 0.0 0.577 12.0 9 05/17 09Z 49 44 185 3 0.00 0.00 561 572 11.7 -11.2 1013.1 71 CLR CLR 376BKN430 51 49 15.0 0.0 0.624 12.1 12 05/17 12Z 48 44 180 3 0.00 0.00 561 571 11.1 -12.1 1012.1 57 CLR CLR 381BKN430 51 48 15.0 0.0 0.550 13.6 15 05/17 15Z 53 44 209 2 0.00 0.00 560 570 10.6 -10.8 1012.2 54 CLR CLR 379BKN428 53 48 15.0 0.0 0.566 12.7 18 05/17 18Z 61 43 315 6 0.00 0.00 560 570 9.5 -9.8 1011.8 77 CLR CLR 342BKN426 61 48 15.0 0.0 0.615 11.0 21 05/17 21Z 66 44 280 12 0.00 0.00 562 570 8.5 -7.9 1010.2 54 CLR CLR 386BKN416 67 61 15.0 0.0 0.548 14.8 24 05/18 00Z 69 40 303 9 0.00 0.00 562 569 10.1 -6.8 1008.2 38 CLR CLR 392SCT426 70 61 15.0 0.0 0.402 16.8 27 05/18 03Z 66 37 323 10 0.00 0.00 563 569 10.9 -7.2 1007.5 31 CLR CLR 432SCT376 70 66 15.0 0.0 0.300 17.8 30 05/18 06Z 68 24 7 17 0.00 0.00 563 570 10.4 -7.3 1008.9 16 CLR CLR 431FEW376 72 64 15.0 0.0 0.232 16.7 33 05/18 09Z 65 27 348 16 0.00 0.00 562 570 9.6 -8.2 1008.8 1 CLR CLR CLR 68 64 15.0 0.0 0.205 15.7 36 05/18 12Z 62 29 357 15 0.00 0.00 561 570 9.6 -9.9 1009.8 0 CLR CLR CLR 68 62 15.0 0.0 0.213 13.7 39 05/18 15Z 64 32 352 12 0.00 0.00 560 570 8.1 -12.1 1011.9 7 CLR CLR 308FEW329 64 61 15.0 0.0 0.224 12.5 42 05/18 18Z 71 32 16 12 0.00 0.00 560 570 8.3 -12.3 1012.3 5 CLR CLR 311FEW332 71 61 15.0 0.0 0.230 14.9 45 05/18 21Z 74 36 318 10 0.00 0.00 560 570 10.9 -13.5 1011.8 2 CLR CLR 366FEW379 75 71 15.0 0.0 0.276 17.8 48 05/19 00Z 67 42 265 9 0.00 0.00 559 569 13.2 -15.3 1011.6 1 CLR CLR CLR 76 66 15.0 0.0 0.341 17.7 51 05/19 03Z 58 46 224 4 0.00 0.00 560 570 13.5 -15.2 1012.4 0 CLR CLR CLR 67 58 15.0 0.0 0.389 18.4 54 05/19 06Z 54 46 188 4 0.00 0.00 560 571 13.9 -15.0 1013.3 0 CLR CLR CLR 67 54 15.0 0.0 0.388 19.9 57 05/19 09Z 53 46 230 2 0.00 0.00 560 571 14.7 -15.0 1013.2 0 CLR CLR CLR 54 53 15.0 0.0 0.364 19.2 60 05/19 12Z 52 46 53 0 0.00 0.00 560 571 14.4 -15.2 1013.6 0 CLR CLR CLR 54 52 15.0 0.0 0.327 19.6 63 05/19 15Z 60 44 145 2 0.00 0.00 560 573 14.2 -14.4 1014.6 0 CLR CLR CLR 60 52 15.0 0.0 0.319 19.5 66 05/19 18Z 71 42 319 4 0.00 0.00 562 575 14.0 -13.5 1014.7 1 CLR CLR CLR 71 52 15.0 0.0 0.314 18.5 69 05/19 21Z 75 42 279 8 0.00 0.00 564 576 14.5 -13.1 1013.8 3 CLR CLR 388FEW402 76 70 15.0 0.0 0.364 21.1 72 05/20 00Z 69 43 286 9 0.00 0.00 565 577 15.8 -13.0 1013.3 4 CLR CLR 373FEW393 77 65 15.0 0.0 0.402 21.3 75 05/20 03Z 60 45 259 5 0.00 0.00 566 578 16.4 -12.8 1013.8 22 CLR CLR 296FEW367 69 60 15.0 0.0 0.414 21.1 78 05/20 06Z 55 46 196 3 0.00 0.00 566 578 16.2 -12.7 1014.4 11 CLR CLR 296FEW368 69 54 15.0 0.0 0.431 21.4 81 05/20 09Z 54 46 254 2 0.00 0.00 566 577 16.2 -12.6 1013.9 2 CLR CLR 384FEW418 55 54 15.0 0.0 0.462 21.9 84 05/20 12Z 53 47 249 1 0.00 0.00 566 577 16.3 -12.7 1013.5 24 CLR CLR 318FEW371 55 53 15.0 0.0 0.484 21.6 87 05/20 15Z 59 47 168 1 0.00 0.00 565 577 16.0 -12.5 1014.1 100 CLR CLR 304OVC435 59 52 15.0 0.0 0.491 21.0 90 05/20 18Z 70 48 286 3 0.00 0.00 566 578 16.1 -11.6 1013.4 76 CLR CLR 328BKN436 70 52 15.2 0.0 0.481 20.6 93 05/20 21Z 73 48 303 9 0.00 0.00 567 578 16.4 -10.9 1012.2 7 CLR CLR 411FEW446 74 70 13.3 0.0 0.497 21.7 96 05/21 00Z 68 47 301 10 0.00 0.00 568 578 17.1 -10.1 1011.1 5 CLR CLR 415FEW443 74 66 15.1 0.0 0.524 22.0 99 05/21 03Z 58 47 304 5 0.00 0.00 569 578 17.3 -9.2 1011.3 0 CLR CLR CLR 68 58 15.1 0.0 0.523 21.8 102 05/21 06Z 55 47 282 3 0.00 0.00 569 579 18.2 -8.8 1011.6 2 CLR CLR 429FEW444 68 55 15.1 0.0 0.521 21.6 105 05/21 09Z 54 47 299 3 0.00 0.00 570 579 18.4 -8.6 1010.7 6 CLR CLR 420FEW457 55 53 15.0 0.0 0.513 22.0 108 05/21 12Z 53 46 312 2 0.00 0.00 569 578 18.1 -8.6 1010.5 8 CLR CLR 427FEW380 55 53 15.0 0.0 0.524 21.9 111 05/21 15Z 61 47 312 2 0.00 0.00 569 579 18.0 -8.6 1011.0 49 CLR CLR 438SCT391 61 53 15.0 0.0 0.559 21.7 114 05/21 18Z 70 49 288 5 0.00 0.00 570 579 18.1 -8.9 1010.8 27 CLR CLR 440SCT389 71 52 15.0 0.0 0.572 21.0 117 05/21 21Z 71 49 304 11 0.00 0.00 570 579 18.6 -9.7 1010.0 6 CLR CLR 453FEW345 74 68 15.0 0.0 0.575 22.5 120 05/22 00Z 66 48 302 9 0.00 0.00 570 578 18.9 -10.1 1009.2 6 CLR CLR 449FEW366 74 64 15.1 0.0 0.544 22.2 123 05/22 03Z 59 47 314 5 0.00 0.00 570 578 19.1 -9.6 1009.2 2 CLR CLR 457FEW366 66 59 15.0 0.0 0.501 22.1 126 05/22 06Z 55 47 297 2 0.00 0.00 570 578 19.2 -9.8 1009.5 1 CLR CLR CLR 66 55 15.0 0.0 0.460 21.8 129 05/22 09Z 54 48 281 2 0.00 0.00 569 577 18.8 -9.7 1008.8 1 CLR CLR CLR 55 54 15.1 0.0 0.448 21.3 132 05/22 12Z 53 48 291 2 0.00 0.00 569 576 18.8 -10.1 1008.6 3 CLR CLR 425FEW448 55 52 15.0 0.0 0.421 21.1 135 05/22 15Z 58 49 240 2 0.00 0.00 568 576 18.3 -10.2 1009.3 8 CLR CLR 425FEW451 58 52 15.1 0.0 0.409 20.8 138 05/22 18Z 67 49 292 4 0.00 0.00 569 577 17.9 -10.2 1009.3 8 CLR CLR 411FEW456 68 52 15.2 0.0 0.406 20.3 141 05/22 21Z 67 49 299 11 0.00 0.00 569 577 18.2 -9.9 1009.3 11 CLR CLR 399FEW450 71 66 15.0 0.0 0.430 21.0 144 05/23 00Z 64 50 302 10 0.00 0.00 570 577 18.4 -9.4 1008.9 10 CLR CLR 408FEW449 71 63 15.0 0.0 0.398 21.1 147 05/23 03Z 56 50 302 7 0.00 0.00 569 577 18.5 -9.4 1009.6 5 CLR CLR 417FEW444 64 56 15.0 0.0 0.395 20.6 150 05/23 06Z 52 50 314 2 0.00 0.00 569 578 18.7 -9.5 1010.8 6 CLR CLR 421FEW435 64 52 13.4 0.0 0.411 19.1 153 05/23 09Z 51 49 281 2 0.00 0.00 568 577 18.3 -9.9 1011.0 7 CLR CLR 429FEW391 52 51 15.0 0.0 0.474 16.6 156 05/23 12Z 51 48 279 1 0.00 0.00 567 577 18.0 -10.5 1011.4 6 CLR CLR 423FEW377 52 51 15.0 0.0 0.483 15.4 159 05/23 15Z 55 49 277 1 0.00 0.00 567 577 17.2 -10.5 1012.9 7 CLR CLR 425FEW457 55 50 15.0 0.0 0.484 14.5 162 05/23 18Z 64 49 297 4 0.00 0.00 567 578 16.7 -10.3 1013.2 7 CLR CLR 429FEW457 64 50 15.0 0.0 0.488 13.1 165 05/23 21Z 65 49 297 11 0.00 0.00 568 579 17.0 -10.3 1012.9 6 CLR CLR 429FEW457 67 63 15.0 0.0 0.507 16.7 168 05/24 00Z 61 48 289 11 0.00 0.00 568 579 17.1 -10.2 1012.9 5 CLR CLR 424FEW449 67 60 15.0 0.0 0.462 17.2