Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 21FEB 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 02/21 00Z 50 32 288 3 0.00 0.00 539 553 -1.6 -21.5 1017.5 68 CLR 000BKN000 000FEW000 **** **** 15.0 0.0 0.342 4.1 3 02/21 03Z 45 32 224 0 0.00 0.00 540 555 -1.4 -22.2 1018.3 31 CLR 154SCT196 235FEW264 51 45 15.0 0.0 0.349 4.2 6 02/21 06Z 44 36 128 5 0.00 0.00 541 557 -1.5 -20.6 1019.4 17 CLR 154FEW195 236FEW265 51 44 15.0 0.0 0.370 3.9 9 02/21 09Z 43 35 119 6 0.00 0.00 543 559 -0.9 -19.4 1020.2 27 CLR CLR 280SCT342 44 43 15.0 0.0 0.386 3.9 12 02/21 12Z 42 35 110 7 0.00 0.00 544 559 -0.6 -18.5 1019.5 64 CLR 218FEW237 250BKN354 44 42 15.0 0.0 0.487 4.0 15 02/21 15Z 43 34 108 6 0.00 0.00 545 560 0.0 -17.5 1019.6 100 077FEW105 212OVC237 237OVC330 43 42 15.0 0.0 0.513 4.4 18 02/21 18Z 50 36 135 7 0.00 0.00 545 562 0.2 -16.5 1020.7 100 079FEW099 211OVC238 243OVC329 50 42 15.0 0.0 0.576 4.6 21 02/21 21Z 56 40 178 7 0.00 0.00 547 564 -0.3 -17.4 1020.5 85 046FEW056 187BKN214 314BKN360 56 50 15.0 0.0 0.595 6.1 24 02/22 00Z 56 42 188 14 0.00 0.00 548 564 0.4 -18.0 1019.5 75 047SCT063 189SCT215 333BKN375 57 50 15.0 0.0 0.553 6.3 27 02/22 03Z 51 43 176 11 0.00 0.00 548 565 1.2 -17.7 1021.1 23 050FEW058 CLR 347FEW377 56 51 15.0 0.0 0.557 6.3 30 02/22 06Z 49 43 142 10 0.00 0.00 548 566 0.3 -16.4 1022.8 15 050FEW061 CLR 346FEW374 56 49 15.0 0.0 0.567 6.1 33 02/22 09Z 48 43 131 13 0.00 0.00 549 568 1.3 -16.0 1023.2 60 043SCT067 CLR 340SCT372 49 48 15.0 0.0 0.567 6.7 36 02/22 12Z 49 41 129 15 0.00 0.00 550 568 3.8 -16.0 1022.6 80 045FEW067 CLR 306BKN392 49 48 15.0 0.0 0.597 7.9 39 02/22 15Z 48 39 129 8 0.00 0.00 550 570 4.8 -15.9 1024.2 100 067FEW084 CLR 277OVC409 49 48 15.0 0.0 0.609 8.4 42 02/22 18Z 55 40 140 6 0.00 0.00 551 572 5.7 -15.5 1025.7 100 065SCT087 CLR 282OVC404 54 48 15.0 0.0 0.595 9.0 45 02/22 21Z 61 44 313 2 0.00 0.00 552 573 5.9 -15.4 1025.3 77 067FEW086 CLR 310BKN411 61 55 15.0 0.0 0.588 9.1 48 02/23 00Z 60 46 316 5 0.00 0.00 553 573 5.6 -14.8 1024.8 84 068FEW086 CLR 298BKN409 62 55 15.0 0.0 0.608 10.3 51 02/23 03Z 53 46 342 6 0.00 0.00 553 574 5.7 -15.4 1025.4 79 CLR CLR 260BKN392 60 53 15.0 0.0 0.580 10.5 54 02/23 06Z 52 45 48 3 0.00 0.00 554 576 6.1 -15.1 1025.7 70 CLR CLR 267BKN360 60 52 15.0 0.0 0.610 10.4 57 02/23 09Z 50 46 91 3 0.00 0.00 555 576 6.2 -14.4 1025.2 47 CLR 224FEW241 251SCT342 52 50 15.0 0.0 0.607 10.6 60 02/23 12Z 49 45 59 3 0.00 0.00 555 576 6.6 -13.7 1024.8 38 CLR 221FEW237 277SCT348 52 49 15.0 0.0 0.598 10.7 63 02/23 15Z 47 44 84 3 0.00 0.00 556 576 7.1 -13.0 1024.7 49 CLR 206FEW227 338SCT381 49 47 15.0 0.0 0.618 10.9 66 02/23 18Z 56 46 56 2 0.00 0.00 557 577 8.0 -12.8 1024.1 60 CLR 213FEW229 310BKN393 57 47 15.0 0.0 0.655 11.4 69 02/23 21Z 62 47 278 2 0.00 0.00 558 577 8.7 -12.4 1022.4 100 CLR 189BKN243 298OVC374 62 57 15.0 0.0 0.744 11.3 72 02/24 00Z 61 48 178 1 0.00 0.00 559 576 9.2 -11.0 1020.2 100 CLR 162BKN233 301OVC380 62 57 15.0 0.0 0.873 12.0 75 02/24 03Z 58 49 87 2 0.00 0.00 559 576 9.9 -11.7 1020.1 100 083BKN120 141OVC209 324OVC441 62 57 15.0 0.0 1.098 12.3 78 02/24 06Z 56 49 113 3 0.00 0.00 559 576 10.2 -11.3 1020.1 100 078BKN120 131BKN222 296OVC419 62 55 15.0 0.0 1.168 12.5 81 02/24 09Z 56 49 174 3 0.00 0.00 559 575 8.7 -11.2 1019.7 100 079BKN120 120BKN244 249OVC435 57 56 15.0 0.0 1.220 12.0 84 02/24 12Z 54 50 125 2 0.02 0.00 558 574 8.1 -11.5 1019.1 100 -RA 051BKN118 120BKN243 252OVC418 57 54 8.3 0.0 1.366 9.8 87 02/24 15Z 53 50 122 7 0.07 0.00 558 573 8.3 -12.1 1018.5 100 -RA 000OVC119 120OVC243 257BKN362 54 53 11.2 0.0 1.365 10.3 90 02/24 18Z 55 52 123 6 0.02 0.00 558 573 7.5 -11.6 1018.2 100 -RA 000OVC119 120OVC243 258BKN329 55 53 15.0 0.0 1.298 11.4 93 02/24 21Z 57 53 147 6 0.00 0.00 559 573 8.2 -12.0 1016.7 100 039OVC117 120OVC240 298BKN369 58 55 15.0 0.0 1.251 11.8 96 02/25 00Z 58 52 175 7 0.01 0.00 559 572 8.3 -12.5 1015.7 100 -RA 039OVC115 120OVC241 293BKN361 59 55 15.3 0.0 1.278 12.2 99 02/25 03Z 57 52 165 6 0.01 0.00 558 572 9.3 -13.2 1016.4 100 -RA 019OVC115 124OVC217 244BKN315 58 57 15.3 0.0 1.396 11.3 102 02/25 06Z 55 53 145 5 0.02 0.00 558 573 9.4 -13.7 1017.4 100 -RA 011OVC109 125OVC221 246BKN328 58 55 12.8 0.0 1.348 11.5 105 02/25 09Z 55 53 133 4 0.02 0.00 557 572 8.4 -13.4 1017.5 100 -RA 006OVC073 141OVC227 259OVC385 55 55 15.0 0.0 1.238 11.4 108 02/25 12Z 56 54 157 3 0.00 0.00 557 571 9.3 -14.2 1017.6 100 -RA 005OVC060 157OVC228 265OVC367 56 55 15.0 0.0 1.078 10.7 111 02/25 15Z 56 54 354 1 0.00 0.00 556 572 9.2 -14.8 1018.3 100 000OVC035 187SCT216 271OVC379 56 55 15.0 0.0 0.977 10.3 114 02/25 18Z 59 55 313 4 0.00 0.00 556 573 9.4 -14.8 1020.2 100 000OVC033 189SCT215 276BKN377 59 55 15.0 0.0 0.940 9.7 117 02/25 21Z 62 54 310 6 0.00 0.00 557 574 9.7 -14.2 1019.4 71 011SCT028 CLR 286SCT317 62 59 15.0 0.0 0.904 11.5 120 02/26 00Z 62 52 308 5 0.00 0.00 558 574 9.6 -13.9 1019.1 51 011FEW028 192FEW200 284SCT318 63 59 15.0 0.0 0.817 12.1 123 02/26 03Z 55 52 307 4 0.00 0.00 558 575 10.5 -14.2 1020.0 42 CLR 179FEW194 266SCT302 62 55 15.0 0.0 0.681 12.7 126 02/26 06Z 54 52 298 3 0.00 0.00 559 577 10.7 -13.7 1021.8 62 CLR 176FEW191 263BKN322 62 54 15.0 0.0 0.583 12.1 129 02/26 09Z 53 51 29 2 0.00 0.00 559 577 10.7 -13.6 1022.2 73 CLR CLR 273BKN319 54 53 15.0 0.0 0.636 11.9 132 02/26 12Z 52 50 67 2 0.00 0.00 559 577 11.1 -13.8 1021.8 49 CLR CLR 267SCT308 54 52 15.0 0.0 0.661 11.9 135 02/26 15Z 51 50 41 2 0.00 0.00 559 578 11.7 -13.9 1022.1 7 CLR 223FEW232 263FEW273 52 51 15.0 0.0 0.602 12.1 138 02/26 18Z 60 51 351 2 0.00 0.00 560 579 12.2 -13.7 1023.0 7 CLR 225FEW235 301FEW316 60 51 15.0 0.0 0.547 13.1 141 02/26 21Z 65 50 344 4 0.00 0.00 561 579 12.6 -13.6 1021.6 49 CLR CLR 373SCT407 65 60 15.0 0.0 0.579 12.6 144 02/27 00Z 65 50 5 6 0.00 0.00 562 579 13.4 -13.9 1020.0 72 CLR CLR 367BKN414 67 60 15.0 0.0 0.589 13.0 147 02/27 03Z 57 50 345 3 0.00 0.00 563 580 14.4 -13.7 1020.2 20 CLR 201FEW213 366FEW405 65 57 15.0 0.0 0.602 14.8 150 02/27 06Z 55 49 41 1 0.00 0.00 563 581 14.3 -13.9 1021.4 29 CLR 201FEW234 351FEW394 65 55 15.0 0.0 0.607 14.7 153 02/27 09Z 54 48 46 2 0.00 0.00 563 580 13.7 -13.7 1021.1 82 CLR 195FEW240 311BKN387 55 54 15.0 0.0 0.570 15.0 156 02/27 12Z 53 46 81 2 0.00 0.00 563 580 14.5 -13.4 1019.9 91 CLR 206FEW236 286BKN396 55 53 15.0 0.0 0.532 16.0 159 02/27 15Z 53 45 65 2 0.00 0.00 563 580 14.9 -13.3 1019.7 100 CLR CLR 296OVC408 53 52 15.0 0.0 0.525 16.6 162 02/27 18Z 61 45 27 2 0.00 0.00 563 580 14.6 -13.1 1020.3 100 CLR CLR 287OVC408 61 52 15.0 0.0 0.510 16.8 165 02/27 21Z 67 45 332 1 0.00 0.00 564 579 14.9 -12.2 1018.3 100 CLR CLR 291OVC399 67 61 15.0 0.0 0.511 17.0 168 02/28 00Z 66 46 322 1 0.00 0.00 564 578 15.1 -12.4 1016.3 100 CLR CLR 289OVC397 67 61 15.0 0.0 0.551 17.2