Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 19APR 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 04/19 00Z 65 45 291 8 0.00 0.00 559 570 10.3 -15.5 1013.1 100 CLR 000OVC000 000OVC000 **** **** 15.0 0.0 0.479 15.7 3 04/19 03Z 57 47 306 5 0.00 0.00 558 569 10.5 -15.8 1012.8 100 CLR 229SCT241 241OVC402 65 57 15.0 0.0 0.458 15.7 6 04/19 06Z 56 47 299 3 0.00 0.00 558 569 10.3 -16.1 1013.3 100 CLR 217BKN241 241OVC400 65 55 15.0 0.0 0.550 14.5 9 04/19 09Z 54 48 287 3 0.00 0.00 556 567 10.1 -16.9 1012.5 100 CLR 205BKN240 240OVC389 55 54 15.0 0.0 0.513 13.8 12 04/19 12Z 53 48 299 3 0.00 0.00 555 565 9.8 -18.8 1011.9 100 CLR 205BKN240 240OVC386 56 53 15.0 0.0 0.479 12.5 15 04/19 15Z 56 48 236 1 0.00 0.00 554 565 9.4 -16.6 1012.4 100 CLR 174BKN240 248BKN369 56 52 15.0 0.0 0.469 11.9 18 04/19 18Z 63 44 276 3 0.00 0.00 555 565 9.3 -16.3 1012.5 97 CLR 165BKN238 256BKN344 63 52 15.0 0.0 0.430 10.9 21 04/19 21Z 67 42 280 8 0.00 0.00 556 565 8.3 -16.2 1010.9 96 CLR 159SCT201 290BKN389 67 63 15.0 0.0 0.509 13.3 24 04/20 00Z 64 40 272 9 0.00 0.00 556 564 9.6 -16.0 1010.2 98 CLR 162FEW198 300BKN394 67 62 15.0 0.0 0.476 12.4 27 04/20 03Z 57 42 270 4 0.00 0.00 555 564 10.5 -16.3 1010.4 100 CLR CLR 260OVC401 63 57 15.0 0.0 0.457 12.8 30 04/20 06Z 54 40 195 3 0.00 0.00 555 564 9.4 -16.8 1011.6 100 CLR 161FEW173 262OVC401 63 54 15.0 0.0 0.470 10.7 33 04/20 09Z 52 42 139 8 0.00 0.00 554 564 7.9 -17.0 1012.0 82 CLR 187FEW197 253BKN359 54 52 15.0 0.0 0.612 9.5 36 04/20 12Z 52 44 139 8 0.00 0.00 552 562 6.7 -16.7 1011.8 51 101FEW119 191FEW203 255SCT351 54 51 15.0 0.0 0.822 9.5 39 04/20 15Z 54 41 145 7 0.00 0.00 552 562 6.3 -16.6 1012.2 84 084BKN119 136FEW147 CLR 54 52 15.0 0.0 0.804 10.0 42 04/20 18Z 64 42 145 10 0.00 0.00 553 563 5.9 -16.5 1011.8 64 072BKN114 133FEW144 CLR 64 52 15.0 0.0 0.821 11.4 45 04/20 21Z 63 49 201 15 0.00 0.00 553 563 5.9 -16.2 1011.7 93 041BKN104 119SCT139 340SCT401 66 62 15.3 0.0 0.876 11.8 48 04/21 00Z 57 52 209 14 0.01 0.00 551 561 6.3 -16.6 1011.7 95 -RA 032BKN096 119FEW138 335SCT393 66 57 14.5 0.0 0.952 8.9 51 04/21 03Z 54 52 348 1 0.10 0.00 550 560 5.5 -16.9 1011.5 100 -RA 000OVC100 119SCT168 354FEW376 57 53 14.1 0.0 0.966 8.4 54 04/21 06Z 53 51 178 3 0.30 0.00 549 559 4.0 -18.4 1012.3 100 RA 005BKN107 118BKN180 CLR 57 53 11.2 0.0 0.903 8.7 57 04/21 09Z 53 49 183 4 0.08 0.00 547 557 2.7 -18.9 1012.1 100 -RA 004OVC117 117BKN175 CLR 53 52 15.1 0.0 0.766 7.6 60 04/21 12Z 53 50 129 4 0.01 0.01 545 554 3.4 -21.4 1011.4 81 -RA 009BKN113 128BKN190 235FEW254 53 51 14.8 0.0 0.802 7.6 63 04/21 15Z 54 50 154 7 0.08 0.08 543 552 3.2 -23.8 1010.9 85 -TSRA 025BKN116 119BKN132 CLR 54 52 5.4 0.0 0.805 8.3 66 04/21 18Z 53 50 204 15 0.14 0.09 542 551 1.7 -24.1 1010.9 93 -TSRA 031BKN114 127BKN174 234SCT262 57 52 2.8 0.0 0.811 6.7 69 04/21 21Z 59 48 199 16 0.11 0.01 541 549 2.8 -25.7 1009.9 100 -TSRA 006BKN112 125OVC233 233OVC258 59 52 10.9 0.0 0.685 8.3 72 04/22 00Z 57 46 239 13 0.04 0.04 539 548 2.0 -26.8 1010.4 88 -TSRA 011SCT107 145BKN232 232BKN253 60 51 7.5 0.0 0.615 7.5 75 04/22 03Z 52 46 251 8 0.05 0.05 539 550 1.6 -26.4 1012.7 73 -TSRA 043FEW055 196BKN232 CLR 57 52 15.2 0.0 0.684 6.3 78 04/22 06Z 51 47 238 9 0.03 0.03 539 552 1.7 -26.3 1015.6 80 -TSRA 027SCT102 164BKN217 CLR 57 50 10.0 0.0 0.654 5.9 81 04/22 09Z 51 47 225 6 0.02 0.02 540 554 1.8 -25.5 1017.0 19 -TSRA 054FEW064 181FEW195 CLR 52 50 10.2 0.0 0.621 5.9 84 04/22 12Z 50 47 248 5 0.04 0.04 540 555 1.7 -24.4 1018.5 25 -TSRA 033FEW046 181FEW196 CLR 52 50 12.2 0.0 0.644 5.7 87 04/22 15Z 53 47 162 5 0.02 0.02 540 557 1.7 -21.3 1020.3 34 -TSRA 031SCT053 CLR CLR 53 50 15.1 0.0 0.647 5.7 90 04/22 18Z 58 46 201 5 0.00 0.00 542 560 2.2 -18.6 1021.5 25 -RA 037FEW057 CLR CLR 58 50 14.8 0.0 0.618 6.7 93 04/22 21Z 61 47 278 10 0.00 0.00 544 562 2.5 -19.1 1021.5 16 054FEW065 CLR CLR 61 58 15.0 0.0 0.601 7.9 96 04/23 00Z 59 46 276 12 0.00 0.00 545 563 3.3 -19.4 1021.1 10 053FEW063 CLR CLR 61 58 15.0 0.0 0.604 7.5 99 04/23 03Z 52 45 292 7 0.00 0.00 545 563 4.1 -23.2 1021.4 0 CLR CLR CLR 58 53 15.0 0.0 0.587 8.0 102 04/23 06Z 50 44 275 4 0.00 0.00 548 565 4.6 -19.0 1021.2 0 CLR CLR CLR 58 50 15.0 0.0 0.537 9.0 105 04/23 09Z 49 45 220 2 0.00 0.00 550 567 5.4 -16.4 1020.5 0 CLR CLR CLR 50 49 15.0 0.0 0.448 9.4 108 04/23 12Z 49 45 168 2 0.00 0.00 551 568 5.7 -16.9 1019.8 1 CLR CLR 319FEW337 50 49 15.0 0.0 0.436 8.7 111 04/23 15Z 51 47 140 2 0.00 0.00 552 568 6.0 -17.2 1019.7 6 CLR CLR 289FEW315 52 48 15.0 0.0 0.472 8.5 114 04/23 18Z 59 47 295 2 0.00 0.00 553 569 6.3 -17.5 1018.8 7 CLR CLR 302FEW322 59 48 15.0 0.0 0.461 8.7 117 04/23 21Z 62 46 283 8 0.00 0.00 554 568 6.3 -17.6 1016.9 30 CLR 230FEW240 287SCT318 63 59 15.0 0.0 0.484 11.1 120 04/24 00Z 58 47 281 10 0.00 0.00 554 567 7.8 -17.8 1015.4 53 CLR 230FEW240 290SCT368 64 57 15.0 0.0 0.503 11.5 123 04/24 03Z 53 46 270 6 0.00 0.00 554 567 8.2 -18.6 1015.8 100 CLR 222FEW232 245OVC395 58 53 15.0 0.0 0.481 11.7 126 04/24 06Z 50 45 246 4 0.00 0.00 554 567 9.0 -18.9 1015.8 100 CLR 222FEW232 247OVC392 58 50 15.0 0.0 0.402 11.3 129 04/24 09Z 50 45 186 3 0.00 0.00 554 566 9.8 -19.1 1014.4 100 CLR CLR 248OVC379 50 49 15.0 0.0 0.472 12.7 132 04/24 12Z 49 45 174 3 0.00 0.00 554 566 9.5 -19.3 1013.9 100 CLR FEW 252OVC351 51 49 15.0 0.0 0.486 13.0 135 04/24 15Z 53 46 176 2 0.00 0.00 554 566 10.2 -19.4 1014.1 100 CLR CLR 261OVC307 53 49 15.0 0.0 0.435 11.6 138 04/24 18Z 61 47 301 4 0.00 0.00 555 567 10.0 -19.4 1014.3 99 CLR CLR 261OVC332 61 49 15.0 0.0 0.404 10.5 141 04/24 21Z 66 45 301 7 0.00 0.00 556 567 8.5 -19.8 1012.8 98 CLR CLR 273BKN336 67 61 15.0 0.0 0.374 13.8 144 04/25 00Z 62 48 291 10 0.00 0.00 556 566 10.2 -19.7 1011.9 93 CLR CLR 266BKN353 68 60 15.0 0.0 0.397 14.5 147 04/25 03Z 55 49 277 5 0.00 0.00 556 566 10.5 -19.3 1012.4 58 CLR CLR 272BKN335 62 55 15.0 0.0 0.418 14.5 150 04/25 06Z 53 49 245 3 0.00 0.00 556 566 11.4 -19.0 1012.5 79 CLR CLR 263BKN347 62 53 15.0 0.0 0.458 14.8 153 04/25 09Z 52 48 254 2 0.00 0.00 555 566 11.6 -19.5 1012.5 100 CLR FEW 246OVC340 53 52 15.0 0.0 0.522 14.0 156 04/25 12Z 51 48 250 2 0.00 0.00 554 565 11.4 -19.8 1012.6 100 CLR 230FEW239 243OVC331 53 51 15.0 0.0 0.602 12.2 159 04/25 15Z 54 49 215 1 0.00 0.00 554 565 11.3 -19.7 1012.7 98 CLR 228SCT239 252BKN316 54 51 15.0 0.0 0.623 12.5 162 04/25 18Z 60 49 280 3 0.00 0.00 554 565 11.0 -19.6 1012.7 100 CLR 227SCT239 260OVC322 60 51 15.0 0.0 0.672 10.2 165 04/25 21Z 63 50 278 8 0.00 0.00 554 564 10.8 -19.8 1012.2 100 CLR 228BKN239 248OVC354 63 60 15.0 0.0 0.742 10.9 168 04/26 00Z 60 50 276 8 0.00 0.00 554 563 10.3 -19.4 1011.2 100 CLR 225BKN239 243OVC353 63 59 15.0 0.0 0.798 11.8