Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 4APR 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 04/04 00Z 70 36 9 5 0.00 0.00 561 576 10.0 -13.8 1017.3 1 CLR CLR CLR **** **** 15.0 0.0 0.240 15.4 3 04/04 03Z 57 43 308 6 0.00 0.00 561 577 12.1 -13.5 1018.4 2 CLR CLR FEW 70 57 15.0 0.0 0.271 14.7 6 04/04 06Z 55 41 142 1 0.00 0.00 561 578 11.9 -13.8 1019.3 4 CLR CLR 367FEW383 70 55 15.0 0.0 0.292 16.2 9 04/04 09Z 54 39 110 3 0.00 0.00 561 577 12.1 -13.9 1019.5 99 CLR CLR 333OVC392 55 54 15.0 0.0 0.309 15.4 12 04/04 12Z 53 39 66 2 0.00 0.00 561 576 12.1 -14.0 1018.8 100 CLR CLR 314OVC391 55 53 15.0 0.0 0.259 15.2 15 04/04 15Z 54 40 64 3 0.00 0.00 560 577 11.9 -14.2 1019.5 97 CLR CLR 293BKN392 54 52 15.0 0.0 0.301 16.0 18 04/04 18Z 65 44 21 1 0.00 0.00 561 577 12.6 -14.2 1019.1 99 CLR CLR 287OVC394 65 52 15.0 0.0 0.335 16.7 21 04/04 21Z 73 46 334 3 0.00 0.00 562 577 12.8 -14.2 1017.7 100 CLR CLR 273OVC392 73 65 15.0 0.0 0.378 16.7 24 04/05 00Z 72 46 295 3 0.00 0.00 562 576 12.5 -14.1 1016.3 100 CLR CLR 273OVC392 75 65 15.0 0.0 0.408 18.0 27 04/05 03Z 64 44 334 3 0.00 0.00 562 576 13.2 -14.3 1016.5 100 CLR CLR 266OVC380 73 63 15.0 0.0 0.406 17.6 30 04/05 06Z 59 44 354 1 0.00 0.00 561 576 13.2 -14.6 1017.3 97 CLR CLR 263BKN340 73 59 15.0 0.0 0.400 17.5 33 04/05 09Z 57 44 101 3 0.00 0.00 561 575 13.3 -15.0 1016.7 51 CLR CLR 309SCT357 59 57 15.0 0.0 0.392 17.8 36 04/05 12Z 56 43 64 2 0.00 0.00 560 574 13.0 -15.8 1016.2 76 CLR CLR 279BKN356 59 56 15.0 0.0 0.398 17.6 39 04/05 15Z 58 44 55 2 0.00 0.00 560 574 13.2 -16.2 1016.5 100 CLR 198SCT242 242OVC313 58 56 15.0 0.0 0.437 17.7 42 04/05 18Z 70 47 298 2 0.00 0.00 560 574 13.1 -16.1 1016.4 77 CLR 190SCT242 242BKN308 70 56 15.0 0.0 0.421 16.9 45 04/05 21Z 72 45 287 6 0.00 0.00 561 574 13.1 -15.9 1015.3 7 CLR 189FEW217 CLR 73 69 15.0 0.0 0.448 18.5 48 04/06 00Z 70 45 287 9 0.00 0.00 561 574 13.7 -16.0 1014.3 12 CLR 189FEW213 346FEW377 74 69 15.0 0.0 0.528 18.9 51 04/06 03Z 59 44 291 5 0.00 0.00 561 573 13.4 -16.2 1015.1 69 CLR CLR 295BKN365 70 59 15.0 0.0 0.533 18.8 54 04/06 06Z 56 45 257 2 0.00 0.00 560 573 12.9 -16.8 1016.2 86 CLR CLR 278BKN352 70 56 15.0 0.0 0.509 17.4 57 04/06 09Z 55 44 260 2 0.00 0.00 559 573 12.9 -17.1 1016.5 50 CLR CLR 259SCT341 56 55 15.0 0.0 0.469 16.8 60 04/06 12Z 52 46 300 2 0.00 0.00 559 572 13.0 -16.8 1016.2 38 CLR CLR 276SCT341 56 52 15.0 0.0 0.446 16.4 63 04/06 15Z 55 47 279 2 0.00 0.00 558 572 12.7 -16.2 1016.7 5 CLR CLR 306FEW321 55 52 15.0 0.0 0.427 15.7 66 04/06 18Z 64 45 288 4 0.00 0.00 559 573 12.6 -15.1 1017.4 3 CLR CLR 307FEW321 64 51 15.0 0.0 0.397 15.6 69 04/06 21Z 65 44 292 9 0.00 0.00 560 574 12.8 -14.1 1016.7 0 CLR CLR CLR 66 64 15.0 0.0 0.376 16.1 72 04/07 00Z 62 43 289 9 0.00 0.00 560 573 13.0 -14.0 1015.9 2 CLR CLR 315FEW328 67 61 15.0 0.0 0.318 16.1 75 04/07 03Z 54 46 276 5 0.00 0.00 560 574 13.1 -14.3 1017.1 0 CLR CLR CLR 62 54 15.0 0.0 0.389 15.2 78 04/07 06Z 52 47 218 3 0.00 0.00 560 574 13.3 -14.4 1017.4 3 CLR CLR 365FEW380 62 52 15.0 0.0 0.418 15.3 81 04/07 09Z 51 47 205 3 0.00 0.00 560 574 13.2 -14.3 1017.4 48 CLR CLR 298SCT401 52 51 15.0 0.0 0.451 14.9 84 04/07 12Z 50 47 223 3 0.00 0.00 559 574 12.8 -14.8 1017.4 67 CLR CLR 295BKN406 52 50 15.0 0.0 0.484 14.2 87 04/07 15Z 53 48 225 2 0.00 0.00 559 574 12.4 -15.2 1017.8 98 CLR CLR 325BKN401 53 50 15.0 0.0 0.532 14.2 90 04/07 18Z 61 46 271 4 0.00 0.00 559 574 12.4 -14.7 1018.0 81 CLR CLR 339BKN406 61 50 15.0 0.0 0.533 14.5 93 04/07 21Z 63 47 281 7 0.00 0.00 560 574 12.4 -14.6 1017.1 90 CLR CLR 361BKN404 64 61 15.0 0.0 0.608 15.1 96 04/08 00Z 61 46 282 7 0.00 0.00 559 573 12.3 -14.8 1016.0 85 CLR CLR 364BKN404 64 60 15.0 0.0 0.798 15.4 99 04/08 03Z 54 48 271 5 0.00 0.00 559 572 11.7 -15.1 1016.4 51 CLR CLR 342SCT398 61 54 15.0 0.0 0.849 14.6 102 04/08 06Z 53 48 201 3 0.00 0.00 558 572 11.6 -16.0 1016.6 55 CLR CLR 332BKN393 61 53 15.0 0.0 0.877 14.3 105 04/08 09Z 53 47 217 4 0.00 0.00 556 570 10.4 -16.5 1016.2 34 CLR CLR 328SCT378 53 53 15.0 0.0 0.973 13.2 108 04/08 12Z 52 48 201 4 0.00 0.00 555 568 9.6 -17.5 1015.7 39 CLR 134FEW178 320SCT383 53 52 15.0 0.0 1.061 12.4 111 04/08 15Z 55 49 177 3 0.00 0.00 554 567 9.0 -17.8 1015.7 99 CLR 140SCT187 269OVC365 55 53 15.0 0.0 1.052 12.3 114 04/08 18Z 63 52 274 2 0.00 0.00 554 567 9.0 -17.9 1015.4 100 CLR 181BKN216 268OVC371 63 53 15.0 0.0 1.029 12.0 117 04/08 21Z 64 55 279 10 0.01 0.01 554 566 9.3 -17.9 1014.1 100 -RA 077SCT091 132FEW142 262OVC365 65 62 10.7 0.0 1.073 11.9 120 04/09 00Z 61 54 275 8 0.03 0.03 553 564 8.7 -17.4 1012.6 100 -TSRA 060SCT072 123FEW144 257OVC356 65 60 15.1 0.0 1.013 11.5 123 04/09 03Z 58 55 281 4 0.00 0.00 553 563 8.3 -17.4 1012.0 100 022BKN048 119FEW141 249OVC345 61 58 15.1 0.0 0.955 10.8 126 04/09 06Z 57 56 264 3 0.02 0.00 552 562 6.8 -18.0 1011.8 100 -RA 014BKN051 176FEW192 245OVC348 61 57 7.2 0.0 0.879 10.3 129 04/09 09Z 56 54 189 2 0.02 0.02 550 559 5.5 -18.7 1010.8 100 -TSRA 012BKN047 213OVC238 238OVC351 57 56 15.0 0.0 0.733 10.1 132 04/09 12Z 53 52 194 5 0.01 0.01 549 557 4.7 -19.8 1010.4 98 -RA 012SCT047 212BKN237 246BKN344 57 53 15.2 0.0 0.714 9.4 135 04/09 15Z 53 51 264 5 0.01 0.01 546 556 4.3 -21.5 1011.2 67 -RA 006BKN026 180FEW199 CLR 55 52 14.9 0.0 0.824 8.3 138 04/09 18Z 55 50 283 5 0.00 0.00 546 556 4.3 -22.0 1011.6 83 -RA 007BKN040 202FEW217 235FEW261 55 52 14.9 0.0 0.828 8.3 141 04/09 21Z 58 48 266 10 0.00 0.00 547 556 4.5 -22.0 1011.0 99 023BKN042 220FEW232 236BKN277 58 55 15.0 0.0 0.781 8.4 144 04/10 00Z 56 47 264 9 0.00 0.00 547 556 5.2 -21.6 1010.0 100 026SCT046 208SCT233 236BKN284 58 55 15.0 0.0 0.762 7.7 147 04/10 03Z 52 47 251 5 0.00 0.00 548 557 6.1 -19.9 1010.5 98 025SCT031 193FEW225 237BKN309 56 52 15.0 0.0 0.749 7.5 150 04/10 06Z 51 46 246 3 0.00 0.00 549 558 6.8 -19.5 1011.0 99 016SCT024 189SCT235 239OVC313 56 51 15.0 0.0 0.796 9.5 153 04/10 09Z 49 46 232 2 0.00 0.00 550 559 6.9 -20.1 1010.7 73 024SCT033 144FEW167 273BKN308 51 49 15.0 0.0 0.852 8.8 156 04/10 12Z 49 46 167 4 0.00 0.00 550 559 7.4 -19.2 1010.2 42 030FEW039 143FEW170 274SCT308 51 48 15.0 0.0 0.678 9.0 159 04/10 15Z 51 46 173 3 0.00 0.00 551 560 6.9 -19.0 1011.4 4 013FEW018 CLR CLR 51 48 15.0 0.0 0.596 9.3 162 04/10 18Z 59 48 233 2 0.00 0.00 551 561 7.8 -18.6 1011.9 3 014FEW019 CLR CLR 59 48 15.0 0.0 0.567 9.1 165 04/10 21Z 64 49 270 8 0.00 0.00 553 562 8.9 -18.6 1011.3 0 CLR CLR CLR 64 59 15.0 0.0 0.538 11.2 168 04/11 00Z 60 49 267 8 0.00 0.00 553 563 9.0 -18.6 1011.1 0 CLR CLR CLR 64 58 15.0 0.0 0.562 12.1