Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 12APR 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 04/12 12Z 50 46 224 10 0.00 0.00 537 544 1.2 -28.2 1009.3 80 -RA 000FEW000 000BKN000 CLR **** **** 5.5 0.0 0.585 5.9 3 04/12 15Z 51 45 211 12 0.10 0.10 536 545 0.6 -27.1 1010.8 81 -TSRA 058FEW082 159BKN207 232FEW241 51 50 7.2 0.0 0.555 5.4 6 04/12 18Z 53 46 223 15 0.05 0.05 537 547 0.8 -28.0 1012.0 90 -TSRA 052FEW077 155BKN220 231SCT247 53 50 10.5 0.0 0.643 5.5 9 04/12 21Z 56 45 247 15 0.11 0.06 539 549 0.6 -25.5 1012.3 70 -TSRA 018BKN102 116BKN215 233FEW248 56 52 13.5 0.0 0.522 6.3 12 04/13 00Z 56 45 255 14 0.01 0.01 540 551 1.1 -24.2 1013.0 49 -TSRA 022SCT095 131SCT218 234FEW247 57 52 10.0 0.0 0.599 6.3 15 04/13 03Z 50 44 276 7 0.01 0.01 540 552 1.7 -24.2 1014.9 18 -RA 038FEW050 CLR 243FEW262 55 50 14.9 0.0 0.537 5.7 18 04/13 06Z 49 43 272 1 0.00 0.00 538 552 1.2 -25.5 1017.2 51 -RA 049FEW061 123FEW134 234SCT262 56 49 15.0 0.0 0.583 5.5 21 04/13 09Z 48 43 341 0 0.00 0.00 537 552 1.2 -27.3 1017.6 63 077FEW117 155SCT217 243SCT261 49 48 15.0 0.0 0.606 5.6 24 04/13 12Z 47 43 29 3 0.00 0.00 537 552 0.9 -27.1 1018.0 61 065FEW116 136SCT189 243FEW261 49 47 15.0 0.0 0.574 5.3 27 04/13 15Z 49 44 3 3 0.00 0.00 539 555 0.5 -25.8 1019.6 9 048FEW092 CLR CLR 50 46 15.0 0.0 0.548 5.2 30 04/13 18Z 56 42 303 6 0.00 0.00 541 558 0.6 -23.0 1020.0 16 048FEW083 CLR 265FEW292 56 46 15.0 0.0 0.509 5.9 33 04/13 21Z 59 41 295 10 0.00 0.00 544 560 1.8 -22.6 1019.2 9 050FEW055 CLR 271FEW284 59 56 15.0 0.0 0.523 7.9 36 04/14 00Z 57 44 282 11 0.00 0.00 545 561 2.9 -21.8 1018.7 4 051FEW056 CLR 272FEW285 60 56 15.0 0.0 0.543 8.1 39 04/14 03Z 51 45 282 7 0.00 0.00 546 562 3.7 -21.2 1019.3 0 CLR CLR CLR 57 51 15.0 0.0 0.545 8.3 42 04/14 06Z 50 46 255 5 0.00 0.00 547 564 3.9 -19.7 1019.7 0 CLR CLR CLR 58 50 15.0 0.0 0.559 8.7 45 04/14 09Z 49 45 242 4 0.00 0.00 549 565 4.3 -19.2 1019.4 3 FEW CLR 296FEW309 50 49 15.0 0.0 0.499 7.6 48 04/14 12Z 49 45 268 6 0.00 0.00 549 565 4.2 -18.5 1019.9 12 015FEW020 CLR 310FEW323 51 48 15.0 0.0 0.503 5.9 51 04/14 15Z 51 45 249 5 0.00 0.00 549 566 4.0 -19.0 1021.0 63 014SCT020 218FEW229 261SCT324 51 48 15.0 0.0 0.502 5.2 54 04/14 18Z 56 44 246 8 0.00 0.00 550 567 4.4 -18.2 1021.6 67 019SCT025 198FEW237 259SCT312 56 49 15.0 0.0 0.490 5.3 57 04/14 21Z 58 43 262 10 0.00 0.00 551 568 5.2 -17.0 1021.3 36 FEW CLR 363SCT396 57 56 15.0 0.0 0.460 6.3 60 04/15 00Z 56 43 267 12 0.00 0.00 552 569 5.8 -16.7 1020.2 30 FEW CLR 367SCT399 58 56 15.0 0.0 0.496 6.7 63 04/15 03Z 50 43 279 7 0.00 0.00 552 569 6.8 -16.6 1020.3 4 CLR CLR 389FEW410 56 50 15.0 0.0 0.484 7.4 66 04/15 06Z 49 43 258 5 0.00 0.00 553 570 7.2 -16.1 1020.2 8 CLR CLR 335FEW379 56 49 15.0 0.0 0.589 7.7 69 04/15 09Z 49 44 256 5 0.00 0.00 553 569 7.5 -16.6 1019.2 45 CLR 230FEW240 245SCT407 49 48 15.0 0.0 0.642 7.9 72 04/15 12Z 49 44 260 4 0.00 0.00 552 567 7.5 -17.9 1018.4 73 CLR 194SCT240 241BKN410 49 48 15.0 0.0 0.543 7.9 75 04/15 15Z 51 44 277 6 0.00 0.00 551 566 7.4 -18.3 1018.7 100 FEW 156OVC239 243OVC406 51 49 15.0 0.0 0.535 6.4 78 04/15 18Z 56 45 276 9 0.00 0.00 550 566 7.1 -18.3 1019.2 100 FEW 147OVC239 244OVC381 56 49 15.0 0.0 0.587 6.4 81 04/15 21Z 59 46 271 12 0.00 0.00 550 565 7.5 -17.6 1018.1 86 CLR 128BKN229 282SCT326 59 56 15.0 0.0 0.610 7.6 84 04/16 00Z 57 48 273 14 0.00 0.00 551 565 6.6 -16.2 1017.3 53 CLR 128SCT226 289SCT333 59 56 15.0 0.0 0.748 7.4 87 04/16 03Z 52 49 285 8 0.00 0.00 550 565 5.7 -16.3 1017.6 10 024FEW026 155FEW172 317FEW336 57 52 15.0 0.0 0.819 7.8 90 04/16 06Z 53 51 274 6 0.00 0.00 550 565 4.0 -15.8 1017.6 32 015SCT037 159FEW177 347FEW368 57 52 15.0 0.0 0.862 7.7 93 04/16 09Z 51 48 280 9 0.01 0.01 550 564 4.5 -16.1 1017.2 92 -RA 014BKN039 CLR 380FEW404 54 51 15.1 0.0 0.708 7.6 96 04/16 12Z 48 40 284 7 0.00 0.00 548 562 3.6 -16.9 1016.7 55 016SCT040 CLR 384FEW405 54 48 15.0 0.0 0.170 7.8 99 04/16 15Z 49 41 7 5 0.00 0.00 546 561 0.9 -15.9 1018.4 0 CLR CLR CLR 50 46 15.0 0.0 0.307 4.8 102 04/16 18Z 58 31 342 11 0.00 0.00 545 561 0.4 -17.4 1018.8 0 CLR CLR CLR 58 45 15.0 0.0 0.205 6.4 105 04/16 21Z 63 31 308 12 0.00 0.00 546 561 3.2 -16.2 1017.6 0 CLR CLR CLR 63 58 15.0 0.0 0.170 9.7 108 04/17 00Z 61 36 278 10 0.00 0.00 548 562 5.0 -15.4 1016.3 0 CLR CLR CLR 63 58 15.0 0.0 0.211 11.2 111 04/17 03Z 54 42 293 8 0.00 0.00 550 564 5.1 -15.9 1016.8 0 CLR CLR CLR 62 54 15.0 0.0 0.271 11.1 114 04/17 06Z 51 43 323 3 0.00 0.00 550 565 5.8 -16.4 1017.5 0 CLR CLR CLR 62 51 15.0 0.0 0.287 11.4 117 04/17 09Z 50 36 350 4 0.00 0.00 551 565 5.1 -16.8 1017.7 0 CLR CLR CLR 51 50 15.0 0.0 0.260 11.0 120 04/17 12Z 48 33 0 4 0.00 0.00 551 565 5.5 -17.3 1018.0 1 CLR CLR CLR 51 48 15.0 0.0 0.252 10.7 123 04/17 15Z 51 31 23 2 0.00 0.00 550 566 5.3 -17.0 1019.1 3 CLR CLR 280FEW299 52 47 15.0 0.0 0.244 10.0 126 04/17 18Z 61 31 316 3 0.00 0.00 551 567 5.2 -17.2 1019.7 1 CLR CLR 281FEW300 61 47 15.0 0.0 0.236 9.4 129 04/17 21Z 65 35 298 6 0.00 0.00 553 569 5.5 -17.2 1018.8 2 CLR CLR 346FEW377 65 61 15.0 0.0 0.251 11.9 132 04/18 00Z 61 42 287 10 0.00 0.00 554 569 6.7 -16.6 1018.0 4 CLR CLR 338FEW374 66 58 15.0 0.0 0.318 12.3 135 04/18 03Z 53 43 281 5 0.00 0.00 555 570 7.4 -15.3 1018.2 41 CLR CLR 310SCT363 61 53 15.0 0.0 0.296 12.1 138 04/18 06Z 50 43 238 2 0.00 0.00 555 571 8.5 -15.6 1019.2 25 CLR CLR 316FEW363 61 50 15.0 0.0 0.288 12.1 141 04/18 09Z 50 43 151 4 0.00 0.00 555 570 8.5 -15.5 1018.4 36 CLR 232FEW241 311SCT355 51 50 15.0 0.0 0.320 12.4 144 04/18 12Z 49 41 142 3 0.00 0.00 555 570 8.2 -15.8 1018.2 65 CLR 222FEW241 313BKN370 51 49 15.0 0.0 0.353 12.0 147 04/18 15Z 53 39 117 3 0.00 0.00 554 570 8.1 -16.3 1018.4 100 CLR 210FEW241 312OVC382 53 49 15.0 0.0 0.343 12.0 150 04/18 18Z 63 38 167 1 0.00 0.00 554 570 7.8 -16.8 1018.5 100 CLR 191FEW241 280OVC380 63 49 15.0 0.0 0.376 11.5 153 04/18 21Z 65 39 282 5 0.00 0.00 554 569 8.0 -16.2 1017.5 100 CLR 166OVC240 271OVC339 66 62 15.0 0.0 0.485 13.1 156 04/19 00Z 64 44 295 8 0.00 0.00 554 567 8.7 -16.8 1016.1 100 CLR 155OVC240 272OVC328 67 61 15.0 0.0 0.540 13.7 159 04/19 03Z 56 46 300 6 0.00 0.00 553 567 8.9 -17.1 1016.2 100 CLR 136OVC240 272OVC358 64 56 15.0 0.0 0.535 12.8 162 04/19 06Z 54 47 291 4 0.00 0.00 553 566 9.0 -17.4 1016.2 100 CLR 136OVC240 259OVC332 64 54 15.0 0.0 0.506 11.9 165 04/19 09Z 52 47 290 2 0.00 0.00 552 565 8.3 -17.6 1014.9 100 CLR 161OVC238 244BKN281 54 52 15.0 0.0 0.507 10.7 168 04/19 12Z 52 46 239 1 0.00 0.00 551 562 7.3 -17.8 1013.2 100 CLR 147OVC224 248SCT283 54 51 15.0 0.0 0.524 8.9