Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 13DEC 2025 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 12/13 12Z 45 31 45 3 0.00 0.00 565 579 16.1 -13.0 1016.9 0 CLR CLR CLR **** **** 15.0 0.0 0.282 17.2 3 12/13 15Z 44 30 43 3 0.00 0.00 564 579 15.5 -13.3 1017.3 0 CLR CLR CLR 45 44 15.0 0.0 0.306 17.4 6 12/13 18Z 53 31 17 2 0.00 0.00 564 579 15.2 -13.9 1018.4 0 CLR CLR CLR 53 44 15.0 0.0 0.307 16.8 9 12/13 21Z 61 35 325 3 0.00 0.00 563 577 14.9 -14.6 1016.9 0 CLR CLR CLR 61 53 15.0 0.0 0.358 16.3 12 12/14 00Z 59 37 297 2 0.00 0.00 563 576 15.0 -15.1 1016.1 0 CLR CLR CLR 62 53 15.0 0.0 0.397 16.8 15 12/14 03Z 54 38 79 2 0.00 0.00 562 576 14.8 -15.3 1017.2 0 CLR CLR CLR 59 54 15.0 0.0 0.412 16.5 18 12/14 06Z 53 37 88 3 0.00 0.00 562 576 14.8 -15.6 1017.7 0 CLR CLR CLR 59 52 15.0 0.0 0.405 17.1 21 12/14 09Z 52 37 350 2 0.00 0.00 560 576 13.7 -15.9 1018.7 0 CLR CLR CLR 53 52 15.0 0.0 0.413 15.3 24 12/14 12Z 51 36 47 2 0.00 0.00 560 576 13.5 -15.5 1018.5 0 CLR CLR CLR 53 51 15.0 0.0 0.411 15.7 27 12/14 15Z 50 35 58 1 0.00 0.00 561 576 13.8 -15.1 1019.0 0 CLR CLR CLR 51 50 15.0 0.0 0.403 16.5 30 12/14 18Z 57 37 103 3 0.00 0.00 561 578 13.9 -14.5 1020.4 0 CLR CLR CLR 57 49 15.0 0.0 0.387 16.6 33 12/14 21Z 63 38 312 2 0.00 0.00 562 578 13.7 -14.0 1018.9 1 CLR CLR CLR 63 57 15.0 0.0 0.373 16.3 36 12/15 00Z 60 40 311 2 0.00 0.00 562 578 13.9 -13.9 1018.8 50 CLR CLR 278SCT347 64 57 15.0 0.0 0.381 16.6 39 12/15 03Z 55 39 8 2 0.00 0.00 563 579 13.7 -12.6 1020.0 34 CLR 219SCT237 309FEW332 59 55 15.0 0.0 0.384 16.3 42 12/15 06Z 54 39 96 2 0.00 0.00 563 581 14.3 -12.7 1021.1 41 CLR 218FEW236 324SCT362 59 53 15.0 0.0 0.364 16.7 45 12/15 09Z 53 38 9 2 0.00 0.00 563 581 13.7 -11.6 1021.8 70 CLR 235FEW245 309BKN380 54 53 15.0 0.0 0.430 15.9 48 12/15 12Z 52 37 36 1 0.00 0.00 563 581 14.1 -11.8 1022.2 85 CLR 224FEW233 290BKN372 54 52 15.0 0.0 0.566 16.1 51 12/15 15Z 52 37 37 2 0.00 0.00 563 582 14.1 -12.2 1023.4 100 CLR 201SCT231 275OVC364 52 52 15.0 0.0 0.651 16.1 54 12/15 18Z 57 37 319 4 0.00 0.00 563 584 13.5 -11.1 1025.2 100 CLR 186FEW237 276OVC364 57 52 15.0 0.0 0.707 15.9 57 12/15 21Z 62 38 296 4 0.00 0.00 563 583 13.0 -11.3 1023.4 100 CLR 176FEW227 314OVC370 62 57 15.0 0.0 0.846 16.1 60 12/16 00Z 60 39 282 3 0.00 0.00 564 583 13.0 -11.3 1022.6 100 CLR 181FEW225 307OVC376 63 57 15.0 0.0 1.044 16.1 63 12/16 03Z 56 40 282 3 0.00 0.00 564 583 13.2 -11.5 1023.2 100 115FEW122 CLR 304OVC366 60 56 15.0 0.0 1.100 15.7 66 12/16 06Z 55 45 162 2 0.00 0.00 565 583 13.9 -11.0 1022.3 82 CLR CLR 300BKN366 60 55 15.0 0.0 1.131 15.9 69 12/16 09Z 55 48 257 2 0.00 0.00 564 582 13.8 -11.3 1022.1 100 CLR 231FEW245 259OVC354 56 55 15.0 0.0 1.151 15.7 72 12/16 12Z 55 50 147 4 0.00 0.00 564 582 13.5 -10.9 1021.1 88 CLR 205FEW225 272BKN344 56 54 15.0 0.0 1.259 15.6 75 12/16 15Z 55 51 147 4 0.00 0.00 564 581 13.3 -11.0 1021.2 44 089FEW093 166FEW199 296SCT358 55 54 15.2 0.0 1.342 15.5 78 12/16 18Z 60 53 190 2 0.00 0.00 563 581 12.8 -11.0 1021.8 54 100FEW106 159FEW191 282SCT350 60 54 15.1 0.0 1.326 15.4 81 12/16 21Z 63 56 274 3 0.00 0.00 563 580 12.2 -11.5 1019.7 8 CLR 172FEW191 312FEW335 63 60 15.2 0.0 1.163 14.6 84 12/17 00Z 61 57 250 3 0.00 0.00 562 579 11.1 -10.2 1019.4 11 CLR 184FEW201 350FEW378 63 60 13.4 0.0 1.162 13.7 87 12/17 03Z 58 56 184 2 0.00 0.00 561 578 10.7 -9.8 1020.6 99 032FEW041 CLR 297OVC374 61 58 15.6 0.0 1.131 13.4 90 12/17 06Z 60 57 171 4 0.00 0.00 560 578 9.2 -12.0 1020.4 99 021SCT051 225FEW244 281OVC378 61 58 15.5 0.0 1.247 13.0 93 12/17 09Z 59 58 231 6 0.01 0.00 559 576 9.4 -12.5 1019.9 96 -RA 010BKN055 202SCT240 249BKN395 60 59 9.9 0.0 1.251 12.2 96 12/17 12Z 57 57 268 6 0.03 0.01 558 575 8.5 -12.0 1019.8 98 -RA 006BKN065 197FEW234 281BKN397 60 57 3.6 0.0 1.048 10.8 99 12/17 15Z 56 55 225 2 0.00 0.00 557 575 6.5 -11.5 1021.4 85 008BKN047 CLR 395FEW418 57 56 15.1 0.0 0.711 10.3 102 12/17 18Z 58 53 241 4 0.00 0.00 558 577 6.9 -12.7 1022.4 76 016BKN045 CLR 390FEW418 59 55 15.0 0.0 0.545 10.3 105 12/17 21Z 57 44 283 9 0.00 0.00 558 576 9.3 -11.9 1020.8 96 FEW CLR 363BKN430 59 57 15.0 0.0 0.482 8.8 108 12/18 00Z 54 42 278 7 0.00 0.00 558 576 11.1 -11.4 1020.7 82 FEW CLR 372BKN432 59 54 15.0 0.0 0.432 7.0 111 12/18 03Z 50 43 286 5 0.00 0.00 559 576 11.6 -10.9 1021.2 84 CLR CLR 394BKN448 54 50 15.0 0.0 0.429 7.0 114 12/18 06Z 49 43 252 4 0.00 0.00 559 577 11.8 -12.0 1021.4 83 CLR CLR 396BKN446 54 49 15.0 0.0 0.553 7.1 117 12/18 09Z 49 42 254 4 0.00 0.00 560 577 11.7 -12.0 1020.6 81 CLR CLR 331BKN442 49 49 15.0 0.0 0.607 7.9 120 12/18 12Z 48 42 247 3 0.00 0.00 560 577 11.9 -12.5 1020.4 92 CLR CLR 351BKN440 49 48 15.0 0.0 0.600 9.0 123 12/18 15Z 48 42 209 2 0.00 0.00 559 577 11.5 -11.9 1021.5 100 CLR CLR 290OVC436 48 48 15.0 0.0 0.544 11.2 126 12/18 18Z 52 41 161 3 0.00 0.00 560 578 9.6 -12.4 1022.1 100 CLR 220FEW244 266OVC434 52 47 15.0 0.0 0.835 12.9 129 12/18 21Z 57 40 245 2 0.00 0.00 561 577 8.6 -12.6 1019.6 100 CLR 205FEW235 280OVC415 57 52 15.0 0.0 0.916 13.3 132 12/19 00Z 56 41 302 3 0.00 0.00 561 577 8.0 -12.2 1019.4 100 050FEW056 212FEW236 292OVC414 58 52 15.0 0.0 1.056 11.9 135 12/19 03Z 54 44 155 1 0.00 0.00 561 577 8.1 -12.0 1019.4 100 033BKN053 227FEW238 353BKN418 56 54 15.0 0.0 0.905 11.1 138 12/19 06Z 55 45 141 4 0.00 0.00 560 576 8.5 -11.9 1019.3 100 026BKN047 225FEW237 346BKN418 56 54 15.0 0.0 0.722 10.2 141 12/19 09Z 54 47 161 3 0.00 0.00 560 575 8.3 -12.4 1018.3 100 010BKN038 CLR 352BKN418 56 54 15.0 0.0 0.615 10.2 144 12/19 12Z 53 50 152 4 0.00 0.00 559 574 8.5 -12.5 1017.0 94 009SCT038 CLR 350BKN417 56 53 15.0 0.0 0.558 10.4 147 12/19 15Z 53 50 161 6 0.00 0.00 558 572 8.4 -12.4 1016.6 32 CLR CLR 370SCT395 53 53 15.0 0.0 0.532 9.8 150 12/19 18Z 57 50 169 8 0.00 0.00 557 572 8.8 -13.1 1017.0 56 CLR 224FEW242 337BKN375 57 52 15.0 0.0 0.727 9.4 153 12/19 21Z 57 53 214 8 0.02 0.00 556 569 6.6 -12.3 1015.7 100 -RA 014BKN081 199SCT234 311BKN360 59 56 7.0 0.0 1.269 9.2 156 12/20 00Z 56 53 165 5 0.07 0.00 556 568 7.4 -13.4 1015.1 100 -RA 007BKN101 169BKN211 314BKN364 59 55 15.2 0.0 1.202 10.1 159 12/20 03Z 55 53 235 2 0.00 0.00 554 567 6.8 -15.0 1016.2 100 005OVC066 135SCT188 304OVC352 56 55 15.1 0.0 1.127 9.7 162 12/20 06Z 53 51 272 5 0.00 0.00 553 567 6.9 -15.6 1016.6 100 008BKN055 138SCT206 301BKN357 56 53 14.9 0.0 0.736 8.7 165 12/20 09Z 51 46 271 6 0.00 0.00 551 566 7.6 -17.2 1017.6 100 028SCT043 181BKN212 289OVC379 53 51 15.0 0.0 0.494 7.6 168 12/20 12Z 49 43 270 3 0.00 0.00 551 565 8.6 -17.9 1017.9 100 028FEW043 178SCT207 284OVC382 53 49 15.0 0.0 0.372 7.0