Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 13APR 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 04/13 00Z 56 45 245 13 0.00 0.00 541 552 1.1 -23.6 1013.5 48 -RA 000SCT000 CLR CLR **** **** 11.2 0.0 0.663 6.6 3 04/13 03Z 51 47 245 8 0.03 0.03 540 553 1.8 -24.0 1015.3 83 -TSRA 055BKN105 CLR 244FEW269 56 52 11.9 0.0 0.652 5.9 6 04/13 06Z 50 47 196 5 0.04 0.04 540 554 1.7 -24.5 1017.1 88 -TSRA 054BKN104 117SCT126 246FEW274 56 50 11.4 0.0 0.682 6.1 9 04/13 09Z 49 46 144 5 0.01 0.01 539 553 1.5 -25.4 1017.2 100 055SCT117 134BKN158 234OVC268 50 49 14.5 0.0 0.695 5.9 12 04/13 12Z 48 44 129 4 0.00 0.00 539 553 1.6 -25.1 1017.7 88 057SCT117 139BKN166 234BKN267 50 48 15.0 0.0 0.655 5.9 15 04/13 15Z 50 45 47 2 0.00 0.00 539 555 1.4 -24.0 1019.0 12 058FEW091 201FEW219 FEW 50 47 15.0 0.0 0.635 5.5 18 04/13 18Z 57 47 318 3 0.00 0.00 542 558 1.8 -22.5 1019.6 14 040FEW060 202FEW221 CLR 57 47 15.0 0.0 0.589 6.4 21 04/13 21Z 60 45 295 10 0.00 0.00 544 560 2.5 -22.1 1018.8 33 -RA 047SCT063 CLR CLR 60 57 15.0 0.0 0.562 8.5 24 04/14 00Z 58 46 282 12 0.00 0.00 546 561 3.5 -21.7 1018.4 31 049SCT064 CLR CLR 60 56 15.0 0.0 0.547 8.0 27 04/14 03Z 52 45 290 8 0.00 0.00 547 563 4.4 -21.5 1019.2 1 FEW CLR CLR 58 52 15.0 0.0 0.530 8.5 30 04/14 06Z 51 47 250 5 0.00 0.00 548 564 4.7 -19.8 1019.6 1 CLR CLR CLR 58 51 15.0 0.0 0.534 9.2 33 04/14 09Z 49 46 251 5 0.00 0.00 549 565 5.6 -19.0 1019.2 0 CLR CLR CLR 50 49 15.0 0.0 0.477 8.3 36 04/14 12Z 49 45 268 7 0.00 0.00 549 566 5.2 -18.7 1019.9 2 FEW CLR CLR 51 49 15.0 0.0 0.477 6.8 39 04/14 15Z 51 44 253 6 0.00 0.00 550 567 5.4 -18.7 1020.8 23 FEW CLR 270FEW320 51 48 15.0 0.0 0.430 5.6 42 04/14 18Z 56 44 248 9 0.00 0.00 550 568 5.9 -18.4 1021.5 51 021FEW025 212FEW238 248SCT331 56 48 15.0 0.0 0.390 5.2 45 04/14 21Z 57 44 262 12 0.00 0.00 551 568 6.3 -17.0 1020.9 44 CLR 230FEW240 273SCT355 58 56 15.0 0.0 0.441 6.3 48 04/15 00Z 56 44 271 12 0.00 0.00 552 568 6.7 -16.9 1019.9 38 CLR 230FEW240 310SCT373 58 55 15.0 0.0 0.488 6.6 51 04/15 03Z 50 44 275 9 0.00 0.00 552 569 7.4 -15.7 1019.8 4 CLR CLR 295FEW313 56 50 15.0 0.0 0.548 7.1 54 04/15 06Z 49 44 263 7 0.00 0.00 553 569 7.8 -16.1 1019.9 11 CLR 177FEW203 297FEW329 56 49 15.0 0.0 0.616 7.5 57 04/15 09Z 49 43 264 6 0.00 0.00 553 568 8.7 -16.7 1018.7 96 CLR 190BKN238 254BKN318 50 49 15.0 0.0 0.561 7.8 60 04/15 12Z 49 44 271 7 0.00 0.00 552 567 7.8 -17.6 1018.2 98 FEW 176BKN239 254BKN339 50 49 15.0 0.0 0.525 6.3 63 04/15 15Z 52 45 287 8 0.00 0.00 551 566 7.1 -18.3 1018.7 100 FEW 171BKN239 247OVC411 52 48 15.0 0.0 0.604 6.3 66 04/15 18Z 57 45 276 10 0.00 0.00 550 566 6.8 -17.8 1019.2 100 110FEW119 147BKN239 269BKN401 57 48 15.0 0.0 0.702 6.3 69 04/15 21Z 59 46 274 12 0.00 0.00 551 566 7.0 -16.9 1018.0 65 104FEW119 134BKN232 304FEW345 59 57 15.0 0.0 0.702 7.5 72 04/16 00Z 57 47 276 13 0.00 0.00 551 565 6.0 -16.7 1017.4 57 097FEW112 147SCT231 312FEW359 59 57 15.0 0.0 0.912 7.0 75 04/16 03Z 53 49 271 8 0.00 0.00 550 565 4.9 -16.8 1017.6 46 050SCT067 163FEW202 355FEW404 57 53 15.0 0.0 0.909 7.2 78 04/16 06Z 53 48 280 10 0.01 0.00 550 565 3.2 -16.9 1017.8 73 -RA 017BKN058 163FEW202 367FEW405 57 53 15.0 0.0 0.742 7.5 81 04/16 09Z 47 36 295 10 0.00 0.00 548 562 3.4 -17.0 1017.5 53 021SCT084 CLR 374SCT409 53 47 15.0 0.0 0.161 6.9 84 04/16 12Z 43 35 5 7 0.00 0.00 545 560 0.2 -16.2 1018.3 27 021SCT084 CLR 373FEW408 53 43 15.0 0.0 0.262 3.9 87 04/16 15Z 46 39 335 8 0.00 0.00 542 558 1.4 -18.9 1019.9 0 CLR CLR CLR 46 43 15.0 0.0 0.197 4.4 90 04/16 18Z 54 29 333 9 0.00 0.00 543 559 3.7 -17.8 1019.9 0 CLR CLR CLR 54 43 15.0 0.0 0.167 4.9 93 04/16 21Z 59 30 292 10 0.00 0.00 546 561 2.6 -16.1 1018.6 0 CLR CLR CLR 60 54 15.0 0.0 0.192 8.4 96 04/17 00Z 59 38 280 10 0.00 0.00 548 562 4.1 -16.1 1017.3 0 CLR CLR CLR 61 54 15.0 0.0 0.265 8.8 99 04/17 03Z 53 44 265 6 0.00 0.00 549 564 4.3 -16.4 1017.9 0 CLR CLR CLR 59 53 15.0 0.0 0.340 9.8 102 04/17 06Z 50 44 249 1 0.00 0.00 550 565 5.1 -16.4 1018.7 0 CLR CLR CLR 59 50 15.0 0.0 0.311 10.4 105 04/17 09Z 49 40 351 5 0.00 0.00 550 566 5.0 -16.5 1018.7 0 CLR CLR CLR 50 49 15.0 0.0 0.275 10.7 108 04/17 12Z 47 33 19 3 0.00 0.00 551 566 5.6 -16.4 1018.7 1 CLR CLR 338FEW349 50 47 15.0 0.0 0.246 10.2 111 04/17 15Z 51 31 353 3 0.00 0.00 551 567 5.0 -16.1 1019.8 7 CLR CLR 326FEW348 51 46 15.0 0.0 0.275 10.0 114 04/17 18Z 61 30 316 4 0.00 0.00 552 568 5.1 -16.0 1019.7 9 CLR 198FEW229 342FEW366 61 46 15.0 0.0 0.303 9.8 117 04/17 21Z 63 36 287 9 0.00 0.00 553 569 5.1 -15.2 1019.0 32 CLR CLR 311SCT365 64 61 15.0 0.0 0.365 11.3 120 04/18 00Z 60 40 290 9 0.00 0.00 554 569 7.0 -15.4 1018.1 54 CLR CLR 289BKN347 65 58 15.0 0.0 0.445 11.3 123 04/18 03Z 52 44 278 6 0.00 0.00 553 569 7.0 -14.8 1018.8 88 CLR 200FEW225 241BKN413 60 52 15.0 0.0 0.490 11.2 126 04/18 06Z 51 43 257 4 0.00 0.00 553 569 7.8 -15.3 1018.8 94 CLR 160SCT239 245BKN409 60 51 15.0 0.0 0.520 10.6 129 04/18 09Z 51 42 221 3 0.00 0.00 553 568 7.8 -15.5 1018.2 100 CLR 126BKN240 240OVC400 51 51 15.0 0.0 0.620 10.2 132 04/18 12Z 52 42 217 4 0.00 0.00 552 566 7.3 -15.9 1017.5 100 103SCT119 122BKN240 240OVC394 52 51 15.0 0.0 0.592 9.6 135 04/18 15Z 53 43 240 4 0.00 0.00 551 566 6.8 -16.3 1017.5 100 CLR 121OVC239 239BKN368 53 51 15.0 0.0 0.614 10.0 138 04/18 18Z 58 41 269 4 0.00 0.00 551 565 6.7 -16.3 1017.4 100 106FEW118 120OVC239 239OVC354 58 51 15.0 0.0 0.585 9.1 141 04/18 21Z 60 40 284 9 0.00 0.00 551 564 6.5 -16.3 1015.8 98 112FEW119 119BKN237 239BKN292 60 58 15.0 0.0 0.584 9.4 144 04/19 00Z 56 39 286 9 0.00 0.00 551 563 6.1 -16.5 1014.2 99 096BKN118 120BKN230 249BKN297 60 56 15.0 0.0 0.595 10.3 147 04/19 03Z 53 41 286 5 0.00 0.00 550 561 6.4 -16.9 1013.4 87 079BKN118 118FEW155 CLR 56 52 15.0 0.0 0.591 9.5 150 04/19 06Z 50 41 204 2 0.00 0.00 549 560 6.1 -17.7 1012.6 87 078BKN118 118SCT142 285SCT348 56 50 15.0 0.0 0.660 8.7 153 04/19 09Z 51 43 178 5 0.01 0.00 548 557 4.3 -18.7 1010.9 97 -RA 059BKN117 124SCT143 274BKN361 52 50 6.7 0.0 0.885 6.6 156 04/19 12Z 49 46 203 6 0.15 0.00 545 553 3.0 -20.0 1009.1 99 -RA 028BKN115 126BKN170 254BKN364 52 48 4.7 0.0 0.887 6.4 159 04/19 15Z 49 46 281 7 0.11 0.01 542 550 0.3 -21.1 1010.1 100 -RA 000OVC115 125SCT192 272BKN353 51 49 10.1 0.0 0.710 4.4 162 04/19 18Z 51 40 251 7 0.02 0.01 540 549 -1.6 -22.3 1010.8 100 -RA 007OVC109 125FEW192 272BKN336 51 49 15.0 0.0 0.508 4.5 165 04/19 21Z 56 37 258 11 0.00 0.00 538 546 -0.4 -23.4 1010.0 100 036BKN079 CLR 246OVC288 56 51 15.0 0.0 0.415 5.9 168 04/20 00Z 55 38 241 11 0.00 0.00 537 544 -0.2 -24.0 1008.7 68 038BKN079 CLR 245SCT286 57 51 15.1 0.0 0.467 5.9