Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 16DEC 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 12/16 00Z 52 37 314 2 0.00 0.00 564 584 13.7 -13.2 1023.5 100 CLR 000BKN000 000OVC000 **** **** 15.0 0.0 0.830 16.9 3 12/16 03Z 50 36 23 1 0.00 0.00 565 585 13.3 -11.2 1023.7 100 CLR 195BKN245 268BKN355 53 49 15.0 0.0 0.956 16.0 6 12/16 06Z 51 36 38 1 0.00 0.00 564 584 13.9 -11.3 1023.5 81 CLR 194SCT244 277BKN352 54 49 15.0 0.0 0.939 15.8 9 12/16 09Z 51 37 110 1 0.00 0.00 564 583 13.4 -11.5 1023.6 61 CLR 148FEW157 284BKN370 51 51 15.0 0.0 1.121 14.8 12 12/16 12Z 51 39 79 1 0.00 0.00 563 582 13.6 -11.8 1023.2 67 CLR 151FEW166 270BKN364 52 51 15.0 0.0 1.214 14.4 15 12/16 15Z 52 41 96 2 0.00 0.00 563 582 13.9 -11.9 1023.2 96 CLR 170SCT235 254BKN350 52 51 15.0 0.0 1.277 14.7 18 12/16 18Z 57 45 301 2 0.00 0.00 563 583 13.4 -12.1 1023.8 90 CLR 179SCT235 256BKN358 57 51 15.0 0.0 1.311 14.7 21 12/16 21Z 61 48 267 4 0.00 0.00 563 581 12.7 -12.3 1021.3 60 097FEW104 151SCT203 311SCT373 62 57 15.0 0.0 1.323 14.5 24 12/17 00Z 59 51 274 3 0.00 0.00 563 580 12.1 -12.5 1020.6 68 102FEW108 152FEW200 298BKN383 62 57 15.0 0.0 1.251 14.3 27 12/17 03Z 56 53 256 2 0.00 0.00 562 580 11.6 -12.4 1021.7 98 093FEW099 163FEW171 310BKN398 59 55 15.2 0.0 1.251 14.0 30 12/17 06Z 57 56 150 3 0.00 0.00 561 580 11.5 -13.1 1022.5 99 006SCT031 174FEW187 287BKN392 60 55 15.5 0.0 1.209 13.2 33 12/17 09Z 58 56 159 4 0.00 0.00 561 580 10.3 -12.2 1022.1 100 000OVC038 154FEW191 353SCT393 58 57 13.6 0.0 1.383 12.8 36 12/17 12Z 58 57 183 4 0.00 0.00 561 579 10.0 -11.6 1021.5 99 000BKN051 138FEW170 344SCT396 58 57 14.7 0.0 1.326 12.5 39 12/17 15Z 58 57 234 3 0.03 0.00 560 579 9.5 -11.0 1022.6 100 -RA 000OVC078 CLR 362FEW408 58 58 6.5 0.0 1.221 11.8 42 12/17 18Z 58 57 202 1 0.01 0.00 559 580 8.1 -10.2 1024.4 100 -RA 000OVC073 CLR 368FEW413 58 57 7.9 0.0 1.098 11.5 45 12/17 21Z 60 56 266 3 0.00 0.00 561 580 9.1 -9.5 1022.3 94 000BKN044 CLR 404FEW430 61 58 13.5 0.0 0.925 11.9 48 12/18 00Z 58 54 295 6 0.00 0.00 563 580 12.0 -10.2 1021.2 74 000BKN041 CLR 407SCT432 61 58 13.2 0.0 0.653 11.3 51 12/18 03Z 55 53 281 3 0.00 0.00 563 581 14.0 -10.6 1021.7 55 000BKN016 CLR 416FEW438 58 54 13.2 0.0 0.664 10.5 54 12/18 06Z 52 49 262 3 0.00 0.00 564 582 14.5 -10.3 1021.9 47 000SCT016 CLR 413FEW434 58 52 15.0 0.0 0.679 11.1 57 12/18 09Z 51 47 277 3 0.00 0.00 563 581 14.0 -11.6 1021.4 6 FEW CLR 382FEW406 52 51 15.0 0.0 0.725 12.0 60 12/18 12Z 50 46 247 1 0.00 0.00 564 581 13.4 -10.2 1021.3 29 CLR CLR 324SCT396 52 50 15.0 0.0 0.784 14.4 63 12/18 15Z 50 46 144 3 0.00 0.00 564 582 12.2 -10.5 1021.5 89 CLR CLR 311BKN417 50 49 15.0 0.0 0.855 15.5 66 12/18 18Z 55 46 241 2 0.00 0.00 564 583 11.6 -10.4 1022.8 88 CLR CLR 320BKN420 55 49 15.0 0.0 0.813 14.1 69 12/18 21Z 59 45 285 3 0.00 0.00 564 581 11.6 -9.9 1020.7 97 CLR CLR 283BKN388 59 55 15.0 0.0 0.687 13.6 72 12/19 00Z 57 46 275 3 0.00 0.00 564 581 11.7 -10.5 1019.7 95 CLR CLR 305BKN404 60 55 15.0 0.0 0.642 13.3 75 12/19 03Z 54 46 267 1 0.00 0.00 564 580 11.8 -11.3 1019.7 96 CLR CLR 356BKN425 57 54 15.0 0.0 0.604 12.9 78 12/19 06Z 53 49 216 1 0.00 0.00 563 580 11.7 -11.1 1019.7 91 CLR CLR 366BKN425 57 53 15.0 0.0 0.599 12.5 81 12/19 09Z 53 50 265 1 0.00 0.00 562 579 10.4 -11.1 1019.9 97 CLR CLR 290BKN407 53 53 15.0 0.0 0.610 11.3 84 12/19 12Z 52 50 155 4 0.00 0.00 562 577 11.0 -11.8 1019.0 98 012FEW018 CLR 289OVC389 53 52 15.0 0.0 0.544 11.9 87 12/19 15Z 52 50 295 2 0.00 0.00 560 577 9.0 -11.3 1019.7 52 009FEW014 CLR 283SCT362 52 52 15.0 0.0 0.686 9.6 90 12/19 18Z 56 53 187 2 0.00 0.00 560 577 9.7 -11.8 1021.0 76 000SCT035 CLR 282BKN353 56 52 15.0 0.0 0.664 9.0 93 12/19 21Z 60 51 191 3 0.00 0.00 560 575 9.2 -11.9 1018.9 93 012BKN041 210SCT231 344BKN384 60 56 15.0 0.0 0.829 9.5 96 12/20 00Z 59 50 292 3 0.00 0.00 560 575 8.1 -11.6 1018.1 75 018SCT046 193FEW218 323BKN372 60 56 15.0 0.0 1.229 10.9 99 12/20 03Z 56 49 319 2 0.00 0.00 559 575 8.8 -11.9 1018.8 87 059FEW071 140FEW190 264BKN345 59 55 15.0 0.0 1.268 11.1 102 12/20 06Z 56 50 314 2 0.00 0.00 559 575 8.7 -11.9 1019.4 90 062FEW074 142BKN200 256BKN328 59 55 15.0 0.0 1.272 11.3 105 12/20 09Z 55 50 142 3 0.00 0.00 559 575 10.1 -11.8 1018.9 78 059FEW074 124BKN188 CLR 55 55 15.0 0.0 1.228 11.4 108 12/20 12Z 54 50 100 1 0.00 0.00 559 574 9.4 -12.9 1018.4 68 038FEW050 127BKN188 311FEW323 55 54 15.0 0.0 1.183 10.9 111 12/20 15Z 53 50 93 1 0.00 0.00 559 574 9.4 -12.0 1018.3 65 043SCT064 159SCT184 334FEW351 54 53 15.0 0.0 1.217 12.1 114 12/20 18Z 57 51 139 4 0.00 0.00 560 575 9.9 -12.3 1018.5 78 069SCT102 134BKN189 290SCT377 57 53 15.0 0.0 1.255 13.1 117 12/20 21Z 61 52 211 2 0.00 0.00 560 574 9.3 -12.1 1016.6 100 078BKN101 132FEW212 268OVC381 61 57 15.0 0.0 1.343 12.9 120 12/21 00Z 60 53 305 1 0.00 0.00 559 573 9.4 -12.2 1015.9 100 060BKN097 122SCT232 273OVC374 62 57 15.0 0.0 1.433 12.3 123 12/21 03Z 58 54 177 4 0.00 0.00 559 573 9.3 -13.3 1017.0 100 005BKN120 121BKN242 246OVC372 60 58 15.0 0.0 1.386 12.3 126 12/21 06Z 58 55 160 6 0.00 0.00 559 573 9.7 -12.9 1016.7 100 -RA 005BKN119 121BKN241 253OVC371 60 58 15.1 0.0 1.379 12.5 129 12/21 09Z 58 54 164 6 0.00 0.00 558 572 9.7 -13.8 1016.3 100 015BKN107 132BKN225 266OVC374 59 58 15.0 0.0 1.350 12.3 132 12/21 12Z 58 54 148 6 0.00 0.00 558 572 9.1 -14.3 1016.1 100 022BKN085 136BKN228 260OVC376 59 58 15.0 0.0 1.350 12.3 135 12/21 15Z 58 53 154 3 0.00 0.00 557 571 9.5 -15.0 1016.6 100 -RA 022OVC079 120OVC242 265OVC350 58 58 14.7 0.0 1.358 12.2 138 12/21 18Z 59 54 231 1 0.01 0.01 557 572 9.3 -15.1 1017.3 100 -RA 023OVC094 120OVC242 261BKN358 59 58 14.2 0.0 1.329 12.4 141 12/21 21Z 60 54 264 2 0.00 0.00 557 571 8.4 -14.6 1016.3 100 -RA 034BKN116 120OVC242 242OVC355 60 59 15.0 0.0 1.215 12.0 144 12/22 00Z 60 54 153 4 0.00 0.00 557 570 10.1 -14.9 1014.9 100 054BKN117 120OVC242 248OVC360 61 59 15.0 0.0 1.118 13.1 147 12/22 03Z 59 53 268 1 0.00 0.00 557 571 9.4 -15.1 1016.1 100 073BKN118 125OVC217 249OVC372 60 58 15.0 0.0 1.185 12.5 150 12/22 06Z 57 53 183 3 0.00 0.00 557 571 9.1 -14.3 1016.4 100 069BKN118 127OVC229 249OVC370 60 57 15.0 0.0 0.969 12.1 153 12/22 09Z 56 52 152 5 0.00 0.00 556 570 8.9 -14.7 1016.2 100 072FEW093 180BKN241 241OVC372 57 56 15.0 0.0 0.834 10.8 156 12/22 12Z 55 52 144 6 0.00 0.00 555 569 8.4 -16.2 1016.5 100 072FEW093 185BKN241 241OVC372 57 55 15.0 0.0 0.863 10.2 159 12/22 15Z 55 52 139 7 0.00 0.00 554 568 9.3 -16.6 1016.5 100 020FEW029 191OVC241 241OVC371 55 55 15.0 0.0 0.885 10.2 162 12/22 18Z 57 52 172 4 0.00 0.00 553 568 7.8 -16.4 1017.5 100 020FEW030 185OVC241 241OVC369 57 55 15.0 0.0 0.884 10.1 165 12/22 21Z 61 52 205 9 0.00 0.00 554 566 7.5 -17.1 1015.2 100 021FEW031 181OVC238 240OVC361 61 57 15.0 0.0 0.848 10.1 168 12/23 00Z 59 52 196 6 0.00 0.00 553 565 7.6 -17.5 1014.0 100 020FEW031 180OVC239 240OVC355 61 57 15.0 0.0 0.815 11.3