Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 2APR 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 04/02 12Z 49 44 314 8 0.00 0.00 550 565 1.5 -15.6 1017.9 7 000FEW000 CLR 000FEW000 **** **** 15.0 0.0 0.363 5.2 3 04/02 15Z 50 44 301 7 0.00 0.00 549 565 1.6 -16.3 1019.3 5 CLR CLR 375FEW392 50 49 15.0 0.0 0.329 5.3 6 04/02 18Z 56 38 312 9 0.00 0.00 550 567 2.6 -16.1 1020.0 3 CLR CLR 376FEW392 56 48 15.0 0.0 0.295 5.8 9 04/02 21Z 60 40 287 10 0.00 0.00 552 568 2.6 -16.3 1018.8 0 CLR CLR CLR 60 56 15.0 0.0 0.327 8.1 12 04/03 00Z 60 42 286 13 0.00 0.00 554 568 4.2 -15.9 1017.2 0 CLR CLR CLR 61 56 15.0 0.0 0.387 9.9 15 04/03 03Z 52 44 277 6 0.00 0.00 554 570 4.6 -16.2 1018.6 0 CLR CLR CLR 60 52 15.0 0.0 0.429 9.9 18 04/03 06Z 50 43 304 2 0.00 0.00 555 571 6.3 -15.9 1019.2 0 CLR CLR CLR 60 50 15.0 0.0 0.402 10.3 21 04/03 09Z 50 43 35 1 0.00 0.00 555 571 6.9 -15.6 1019.4 0 CLR CLR CLR 50 50 15.0 0.0 0.357 10.2 24 04/03 12Z 48 40 21 3 0.00 0.00 556 572 9.1 -15.4 1018.8 1 CLR CLR CLR 51 48 15.0 0.0 0.269 10.4 27 04/03 15Z 50 38 47 1 0.00 0.00 556 573 9.2 -15.4 1020.3 0 CLR CLR CLR 50 47 15.0 0.0 0.237 9.0 30 04/03 18Z 62 33 27 8 0.00 0.00 558 575 11.0 -15.5 1019.8 2 CLR CLR 377FEW391 62 47 15.0 0.0 0.210 9.3 33 04/03 21Z 69 35 39 8 0.00 0.00 560 575 10.2 -15.1 1018.2 5 CLR CLR 364FEW380 69 62 15.0 0.0 0.225 13.3 36 04/04 00Z 70 37 352 6 0.00 0.00 560 575 10.8 -14.9 1016.9 3 CLR CLR 363FEW378 70 62 15.0 0.0 0.237 15.2 39 04/04 03Z 54 43 300 5 0.00 0.00 560 575 11.9 -15.0 1018.1 0 CLR CLR CLR 70 54 15.0 0.0 0.270 14.4 42 04/04 06Z 54 43 344 1 0.00 0.00 561 576 11.9 -14.4 1018.5 0 CLR CLR CLR 70 53 15.0 0.0 0.351 15.4 45 04/04 09Z 53 40 95 2 0.00 0.00 560 576 12.3 -14.2 1018.4 1 CLR CLR FEW 54 53 15.0 0.0 0.308 15.0 48 04/04 12Z 52 39 66 3 0.00 0.00 560 574 12.1 -14.4 1017.1 2 CLR CLR 380FEW391 54 51 15.0 0.0 0.288 15.1 51 04/04 15Z 53 40 73 3 0.00 0.00 560 575 12.1 -14.6 1017.8 5 CLR CLR 380FEW391 54 50 15.0 0.0 0.318 14.9 54 04/04 18Z 66 46 10 1 0.00 0.00 560 575 12.3 -14.9 1017.3 4 CLR CLR 380FEW391 67 50 15.0 0.0 0.349 14.8 57 04/04 21Z 74 47 281 1 0.00 0.00 561 575 11.8 -14.6 1015.7 4 CLR CLR 380FEW391 74 67 15.0 0.0 0.388 17.4 60 04/05 00Z 72 46 259 3 0.00 0.00 562 574 12.8 -14.7 1014.4 6 CLR CLR 371FEW391 75 66 15.0 0.0 0.390 18.4 63 04/05 03Z 63 43 275 3 0.00 0.00 561 574 13.2 -15.3 1014.8 37 CLR CLR 356SCT391 73 62 15.0 0.0 0.404 18.4 66 04/05 06Z 59 44 316 1 0.00 0.00 561 574 13.5 -15.3 1015.7 52 CLR CLR 331SCT389 73 59 15.0 0.0 0.419 18.2 69 04/05 09Z 58 44 77 1 0.00 0.00 560 573 13.6 -15.7 1015.4 100 CLR CLR 293OVC375 59 58 15.0 0.0 0.414 18.0 72 04/05 12Z 57 44 94 3 0.00 0.00 560 572 13.3 -16.1 1015.0 100 CLR CLR 293OVC370 59 57 15.0 0.0 0.469 18.1 75 04/05 15Z 59 46 52 2 0.00 0.00 559 572 13.1 -16.4 1015.6 91 CLR 224FEW242 269BKN371 59 56 15.0 0.0 0.464 17.7 78 04/05 18Z 70 48 312 1 0.00 0.00 559 572 13.4 -17.0 1015.6 60 CLR 218FEW242 275BKN362 70 56 15.0 0.0 0.489 17.1 81 04/05 21Z 74 47 279 5 0.00 0.00 560 572 13.0 -16.9 1014.3 21 CLR 193FEW212 255FEW275 74 70 15.0 0.0 0.554 18.9 84 04/06 00Z 69 47 292 9 0.00 0.00 560 572 13.9 -16.8 1013.7 58 CLR 175BKN221 255FEW275 75 67 15.0 0.0 0.637 19.2 87 04/06 03Z 59 45 300 4 0.00 0.00 560 572 13.4 -17.0 1014.7 2 CLR 174FEW199 CLR 68 59 15.0 0.0 0.627 18.5 90 04/06 06Z 56 46 303 3 0.00 0.00 559 572 13.2 -17.3 1015.3 1 CLR CLR CLR 68 56 15.0 0.0 0.596 17.7 93 04/06 09Z 55 47 306 4 0.00 0.00 558 572 13.2 -16.8 1015.9 0 CLR CLR CLR 56 55 15.0 0.0 0.598 16.1 96 04/06 12Z 53 47 301 2 0.00 0.00 558 571 12.6 -16.4 1016.2 1 CLR CLR 297FEW311 56 53 15.0 0.0 0.587 14.9 99 04/06 15Z 55 48 296 2 0.00 0.00 557 571 12.2 -16.4 1017.1 28 CLR CLR 283SCT332 56 52 15.0 0.0 0.550 14.3 102 04/06 18Z 63 47 295 5 0.00 0.00 558 573 12.2 -15.6 1017.6 18 CLR CLR 283FEW328 63 52 15.0 0.0 0.519 13.9 105 04/06 21Z 66 46 293 9 0.00 0.00 559 573 12.2 -14.9 1017.2 0 CLR CLR CLR 66 63 15.0 0.0 0.487 14.8 108 04/07 00Z 62 44 284 9 0.00 0.00 559 573 12.2 -14.1 1017.0 5 CLR CLR 283FEW305 66 61 15.0 0.0 0.369 14.8 111 04/07 03Z 54 48 280 5 0.00 0.00 559 574 12.5 -14.5 1017.9 59 CLR CLR 278BKN310 62 54 15.0 0.0 0.446 14.4 114 04/07 06Z 52 48 244 2 0.00 0.00 560 575 12.5 -14.9 1018.4 32 CLR 221FEW233 277SCT309 62 52 15.0 0.0 0.511 14.3 117 04/07 09Z 51 48 216 3 0.00 0.00 559 574 12.1 -15.3 1018.7 4 CLR CLR 346FEW366 52 51 15.0 0.0 0.516 13.8 120 04/07 12Z 50 48 195 2 0.00 0.00 559 574 11.9 -15.2 1018.1 5 CLR CLR 348FEW365 52 50 15.0 0.0 0.510 13.9 123 04/07 15Z 53 49 180 2 0.00 0.00 559 574 11.9 -14.9 1018.4 1 CLR CLR 404FEW416 53 50 15.0 0.0 0.530 14.3 126 04/07 18Z 62 45 287 4 0.00 0.00 559 574 11.9 -14.7 1018.6 0 CLR CLR CLR 62 50 15.0 0.0 0.618 14.5 129 04/07 21Z 65 45 288 8 0.00 0.00 559 574 11.6 -14.9 1017.4 0 CLR CLR CLR 65 62 15.0 0.0 0.804 14.8 132 04/08 00Z 63 49 287 8 0.00 0.00 559 572 11.7 -15.2 1015.5 1 CLR CLR CLR 66 62 15.0 0.0 0.938 14.7 135 04/08 03Z 56 50 286 5 0.00 0.00 559 572 11.8 -15.6 1015.8 4 CLR 123FEW155 380FEW392 63 56 15.0 0.0 0.962 14.2 138 04/08 06Z 54 51 265 2 0.00 0.00 558 571 11.0 -16.5 1016.2 5 CLR CLR 357FEW369 63 54 15.0 0.0 1.027 13.3 141 04/08 09Z 54 51 212 1 0.00 0.00 556 569 10.1 -17.4 1015.6 9 114FEW121 124FEW147 345FEW356 54 54 15.0 0.0 1.124 12.1 144 04/08 12Z 55 53 214 2 0.01 0.01 555 567 9.3 -17.4 1014.3 26 -RA 050FEW060 123FEW201 340FEW353 55 54 11.6 0.0 1.211 12.0 147 04/08 15Z 56 54 141 4 0.04 0.04 555 566 9.2 -17.7 1014.0 99 -TSRA 016SCT031 157BKN220 289SCT338 57 55 14.8 0.0 1.177 11.7 150 04/08 18Z 59 56 121 1 0.02 0.02 554 565 8.8 -17.6 1013.5 99 -TSRA 014BKN048 142BKN224 259BKN308 60 55 8.6 0.0 1.239 12.0 153 04/08 21Z 64 58 263 4 0.05 0.04 554 564 8.6 -17.8 1011.9 89 -TSRA 018BKN096 119BKN228 240BKN288 65 59 6.9 0.0 1.195 12.2 156 04/09 00Z 61 57 236 4 0.08 0.07 553 561 7.9 -18.3 1010.2 93 -TSRA 013BKN098 119BKN211 238SCT287 65 59 15.2 0.0 1.037 11.2 159 04/09 03Z 57 55 231 7 0.07 0.04 550 559 6.0 -19.4 1010.1 100 -TSRA 000OVC082 CLR CLR 61 57 11.3 0.0 0.931 9.9 162 04/09 06Z 54 52 197 3 0.01 0.00 546 555 4.8 -22.9 1010.7 77 -TSRA 006BKN084 CLR CLR 61 54 15.0 0.0 0.723 8.9 165 04/09 09Z 52 50 167 3 0.00 0.00 546 554 3.9 -22.8 1010.6 3 -RA 079FEW083 CLR CLR 54 52 15.0 0.0 0.605 8.2 168 04/09 12Z 51 49 156 6 0.00 0.00 544 553 3.7 -23.8 1010.0 28 -RA 075FEW085 212FEW234 234SCT251 54 51 15.1 0.0 0.729 7.8