Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 31MAR 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 03/31 00Z 64 48 286 6 0.00 0.00 558 569 13.2 -16.2 1012.9 100 CLR 000OVC000 000OVC000 **** **** 15.0 0.0 0.674 17.3 3 03/31 03Z 59 52 318 5 0.00 0.00 558 569 12.6 -16.6 1013.0 100 CLR 133BKN241 241OVC390 64 59 15.0 0.0 0.774 16.7 6 03/31 06Z 58 52 338 3 0.00 0.00 557 568 13.4 -15.7 1012.2 100 CLR 136OVC238 241OVC401 64 57 15.0 0.0 0.796 16.0 9 03/31 09Z 57 52 308 2 0.00 0.00 555 566 11.7 -16.6 1012.7 100 CLR 141OVC209 246OVC373 58 56 15.0 0.0 0.840 14.2 12 03/31 12Z 57 52 135 6 0.00 0.00 553 563 8.3 -17.2 1012.7 100 083SCT119 136OVC213 252OVC379 58 56 15.0 0.0 0.965 12.9 15 03/31 15Z 57 52 173 5 0.00 0.00 551 562 7.0 -18.6 1013.6 100 062BKN114 127OVC226 249OVC365 57 56 15.0 0.0 0.906 11.2 18 03/31 18Z 58 51 157 3 0.01 0.00 549 561 5.2 -20.0 1014.4 100 053BKN114 146OVC212 256OVC341 59 56 14.9 0.0 0.973 9.8 21 03/31 21Z 62 51 194 3 0.01 0.00 548 560 5.0 -20.6 1013.6 93 -RA 025BKN114 148BKN176 237BKN265 62 58 14.1 0.0 0.864 10.2 24 04/01 00Z 59 51 221 10 0.01 0.01 548 558 5.3 -21.3 1012.8 97 -RA 028BKN110 167BKN190 236SCT263 63 58 14.9 0.0 0.897 9.2 27 04/01 03Z 56 51 228 7 0.01 0.01 547 559 4.9 -21.2 1013.8 76 -RA 032BKN103 120FEW146 246FEW263 60 56 15.0 0.0 0.897 8.7 30 04/01 06Z 54 51 194 4 0.00 0.00 548 560 4.9 -19.3 1014.4 79 -RA 038BKN093 119FEW141 CLR 60 54 15.0 0.0 0.813 8.7 33 04/01 09Z 53 50 152 5 0.00 0.00 549 561 5.1 -18.4 1014.2 69 054BKN084 CLR 261SCT369 54 52 15.0 0.0 0.795 8.7 36 04/01 12Z 52 49 142 5 0.00 0.00 548 560 4.7 -18.1 1013.8 85 055SCT084 175SCT235 248BKN361 54 52 15.0 0.0 0.806 8.5 39 04/01 15Z 54 49 145 6 0.00 0.00 550 561 4.7 -16.5 1013.9 100 079FEW087 123BKN155 271BKN377 54 52 15.0 0.0 0.866 8.4 42 04/01 18Z 60 50 206 14 0.00 0.00 551 563 4.6 -15.5 1014.1 100 067SCT085 121OVC145 271BKN380 60 52 15.1 0.0 0.912 9.0 45 04/01 21Z 57 52 233 14 0.01 0.01 551 563 4.5 -14.3 1014.0 100 -RA 031OVC082 118FEW125 323FEW357 59 57 13.3 0.0 0.894 8.4 48 04/02 00Z 58 49 248 11 0.01 0.00 551 562 3.5 -13.4 1013.6 98 -RA 030BKN073 118FEW124 326FEW357 60 56 15.0 0.0 0.850 8.1 51 04/02 03Z 54 49 218 8 0.00 0.00 552 563 3.5 -13.8 1013.4 39 058SCT085 CLR CLR 58 54 15.1 0.0 0.770 7.9 54 04/02 06Z 54 51 228 13 0.05 0.02 551 563 3.7 -13.8 1014.4 68 -RA 019BKN085 CLR CLR 58 53 6.3 0.0 0.759 7.4 57 04/02 09Z 50 42 303 9 0.04 0.01 550 563 2.8 -13.4 1016.2 100 -RA 005OVC087 CLR CLR 54 50 15.0 0.0 0.483 4.6 60 04/02 12Z 47 41 360 4 0.00 0.00 549 563 -1.2 -14.5 1017.5 56 -RA 008BKN085 CLR CLR 54 47 15.0 0.0 0.402 3.7 63 04/02 15Z 48 41 307 6 0.00 0.00 549 564 -0.2 -15.5 1018.3 5 044FEW062 CLR CLR 49 46 15.0 0.0 0.344 3.6 66 04/02 18Z 54 36 312 10 0.00 0.00 549 565 1.1 -15.2 1019.3 3 044FEW063 CLR CLR 54 46 15.0 0.0 0.312 4.2 69 04/02 21Z 57 38 274 12 0.00 0.00 550 566 0.5 -15.5 1018.7 2 041FEW048 CLR CLR 57 54 15.0 0.0 0.352 5.9 72 04/03 00Z 56 39 290 15 0.00 0.00 551 566 1.7 -15.9 1017.6 3 047FEW053 CLR CLR 57 54 15.0 0.0 0.391 6.7 75 04/03 03Z 50 40 310 6 0.00 0.00 552 567 3.7 -16.8 1018.3 0 CLR CLR CLR 56 50 15.0 0.0 0.387 8.3 78 04/03 06Z 50 42 326 7 0.00 0.00 553 568 3.6 -16.6 1018.5 0 CLR CLR CLR 56 49 15.0 0.0 0.344 9.0 81 04/03 09Z 48 40 338 8 0.00 0.00 553 569 6.0 -16.3 1018.4 0 CLR CLR CLR 50 49 15.0 0.0 0.275 10.3 84 04/03 12Z 47 35 23 4 0.00 0.00 554 569 6.6 -16.4 1017.7 0 CLR CLR CLR 50 46 15.0 0.0 0.255 9.5 87 04/03 15Z 49 33 62 3 0.00 0.00 554 570 5.0 -16.1 1019.3 0 CLR CLR CLR 49 45 15.0 0.0 0.237 8.1 90 04/03 18Z 61 33 29 10 0.00 0.00 556 572 6.9 -15.9 1019.2 0 CLR CLR CLR 61 45 15.0 0.0 0.243 8.7 93 04/03 21Z 67 35 31 8 0.00 0.00 557 573 7.5 -15.6 1018.2 0 CLR CLR CLR 67 61 15.0 0.0 0.252 12.2 96 04/04 00Z 67 39 313 9 0.00 0.00 558 573 9.8 -15.5 1017.0 0 CLR CLR CLR 69 61 15.0 0.0 0.275 14.4 99 04/04 03Z 52 42 292 6 0.00 0.00 559 574 11.1 -15.3 1018.2 0 CLR CLR CLR 67 52 15.0 0.0 0.315 14.0 102 04/04 06Z 52 42 319 1 0.00 0.00 559 575 11.7 -15.2 1019.1 0 CLR CLR CLR 67 52 15.0 0.0 0.357 14.2 105 04/04 09Z 52 40 118 4 0.00 0.00 559 575 12.0 -15.3 1019.2 3 CLR CLR 370FEW390 52 52 15.0 0.0 0.380 14.5 108 04/04 12Z 51 39 74 2 0.00 0.00 559 574 11.4 -15.1 1018.6 4 CLR CLR 361FEW382 52 51 15.0 0.0 0.387 14.2 111 04/04 15Z 53 40 70 2 0.00 0.00 559 575 11.9 -15.1 1019.2 8 CLR CLR 337FEW380 53 50 15.0 0.0 0.359 14.4 114 04/04 18Z 66 44 337 1 0.00 0.00 559 575 12.1 -15.1 1019.0 14 CLR CLR 328FEW378 66 50 15.0 0.0 0.350 13.9 117 04/04 21Z 73 46 283 2 0.00 0.00 561 576 11.4 -15.0 1017.5 7 CLR CLR 336FEW369 73 66 15.0 0.0 0.361 17.0 120 04/05 00Z 72 45 269 4 0.00 0.00 561 575 12.0 -15.1 1016.1 27 CLR CLR 336SCT366 75 65 15.0 0.0 0.412 17.7 123 04/05 03Z 62 43 270 3 0.00 0.00 561 575 12.7 -15.1 1016.3 3 CLR CLR 336FEW350 73 61 15.0 0.0 0.400 17.8 126 04/05 06Z 59 44 357 1 0.00 0.00 561 575 13.0 -15.0 1017.0 1 CLR CLR 336FEW350 73 58 15.0 0.0 0.379 17.8 129 04/05 09Z 57 44 99 2 0.00 0.00 561 575 13.0 -15.2 1016.6 0 CLR CLR CLR 59 57 15.0 0.0 0.388 17.5 132 04/05 12Z 56 43 85 2 0.00 0.00 560 573 12.7 -15.4 1015.9 0 CLR CLR CLR 59 56 15.0 0.0 0.394 17.5 135 04/05 15Z 57 44 62 2 0.00 0.00 560 574 12.7 -15.6 1016.5 3 CLR CLR 368FEW379 58 55 15.0 0.0 0.363 17.3 138 04/05 18Z 69 47 290 0 0.00 0.00 560 574 12.9 -15.4 1016.2 30 CLR CLR 296SCT364 69 54 15.0 0.0 0.386 16.9 141 04/05 21Z 72 46 280 5 0.00 0.00 561 573 12.8 -15.2 1014.8 100 CLR CLR 264OVC360 72 69 15.0 0.0 0.430 18.1 144 04/06 00Z 68 46 297 8 0.00 0.00 561 572 13.3 -15.3 1013.7 97 CLR 226FEW242 257BKN347 73 67 15.0 0.0 0.491 18.8 147 04/06 03Z 59 45 316 5 0.00 0.00 561 572 12.9 -15.9 1014.0 5 CLR 201FEW224 313FEW324 68 59 15.0 0.0 0.587 18.5 150 04/06 06Z 56 46 307 4 0.00 0.00 560 573 12.5 -16.1 1015.0 27 CLR 176FEW210 301FEW344 68 56 15.0 0.0 0.583 17.1 153 04/06 09Z 54 46 302 3 0.00 0.00 559 572 12.7 -16.1 1015.2 61 CLR CLR 300BKN344 56 54 15.0 0.0 0.524 15.6 156 04/06 12Z 54 46 281 2 0.00 0.00 559 571 12.7 -15.8 1014.5 81 CLR 202FEW242 278BKN354 56 54 15.0 0.0 0.513 14.9 159 04/06 15Z 56 47 304 4 0.00 0.00 557 570 11.6 -17.6 1015.7 100 CLR 194OVC242 242OVC356 56 54 15.0 0.0 0.505 13.8 162 04/06 18Z 61 46 328 0 0.00 0.00 557 570 12.0 -15.3 1015.7 100 CLR 169OVC242 242OVC362 61 54 15.0 0.0 0.527 14.3 165 04/06 21Z 62 45 290 8 0.00 0.00 556 570 11.2 -15.9 1016.0 100 111FEW120 120OVC241 241OVC363 64 61 15.0 0.0 0.612 12.9 168 04/07 00Z 63 45 283 9 0.00 0.00 556 569 10.5 -16.6 1016.2 100 095FEW120 126OVC232 241BKN323 65 61 15.0 0.0 0.644 12.9