Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 8APR 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 04/08 00Z 59 46 287 7 0.00 0.00 561 575 13.5 -15.1 1017.7 36 CLR CLR 000SCT000 **** **** 15.0 0.0 0.702 16.0 3 04/08 03Z 52 47 277 5 0.00 0.00 560 575 13.4 -15.3 1017.7 54 CLR CLR 339SCT416 59 52 15.0 0.0 0.823 16.9 6 04/08 06Z 52 48 229 3 0.00 0.00 560 575 13.3 -15.4 1017.9 46 CLR CLR 336SCT411 59 52 15.0 0.0 0.871 16.5 9 04/08 09Z 52 48 200 3 0.00 0.00 559 573 12.6 -15.5 1017.3 48 CLR CLR 362SCT402 52 52 15.0 0.0 0.900 15.5 12 04/08 12Z 53 48 174 4 0.00 0.00 558 572 12.1 -15.5 1016.8 31 CLR CLR 362SCT398 53 52 15.0 0.0 0.905 15.1 15 04/08 15Z 55 49 163 4 0.00 0.00 557 571 11.5 -15.7 1017.3 10 101FEW115 CLR 337FEW352 55 52 15.0 0.0 0.904 15.1 18 04/08 18Z 64 52 275 4 0.00 0.00 557 571 11.5 -16.5 1016.8 9 099FEW114 CLR 331FEW350 64 52 15.0 0.0 0.862 15.1 21 04/08 21Z 67 54 284 9 0.00 0.00 557 571 11.2 -16.6 1015.9 1 CLR CLR CLR 68 64 15.0 0.0 0.895 15.4 24 04/09 00Z 64 54 286 8 0.00 0.00 557 569 11.3 -17.1 1014.6 0 CLR CLR CLR 68 63 15.1 0.0 0.892 14.8 27 04/09 03Z 57 54 283 5 0.00 0.00 556 569 10.8 -17.3 1014.9 0 CLR CLR CLR 64 57 15.0 0.0 0.881 13.5 30 04/09 06Z 56 54 266 2 0.00 0.00 556 568 10.3 -17.2 1015.2 0 CLR CLR CLR 64 56 15.0 0.0 0.849 12.8 33 04/09 09Z 55 53 263 1 0.00 0.00 555 567 9.6 -17.2 1014.8 3 CLR CLR 326FEW338 56 55 15.0 0.0 0.859 12.3 36 04/09 12Z 54 53 144 2 0.00 0.00 553 565 9.3 -17.8 1013.9 2 CLR CLR 326FEW338 56 54 15.0 0.0 0.865 12.3 39 04/09 15Z 57 53 173 1 0.00 0.00 553 565 8.9 -18.2 1014.1 4 113FEW119 CLR CLR 57 54 15.0 0.0 0.886 11.8 42 04/09 18Z 63 53 287 3 0.00 0.00 553 564 8.3 -18.2 1014.1 27 087SCT119 CLR CLR 63 54 15.0 0.0 0.859 11.4 45 04/09 21Z 66 53 279 10 0.00 0.00 553 564 8.1 -18.4 1013.5 44 091FEW105 CLR 307SCT342 67 64 15.0 0.0 0.891 12.5 48 04/10 00Z 64 55 266 10 0.00 0.00 553 563 8.0 -18.7 1012.4 66 072FEW087 CLR 301BKN339 67 63 14.5 0.0 0.963 11.5 51 04/10 03Z 58 55 265 5 0.00 0.00 551 562 7.5 -19.0 1012.7 80 028BKN092 CLR 312SCT334 64 58 14.8 0.0 0.906 10.5 54 04/10 06Z 55 53 283 1 0.00 0.00 551 561 7.0 -19.1 1012.9 59 032SCT089 CLR 312FEW334 64 55 15.0 0.0 0.783 10.5 57 04/10 09Z 54 52 338 1 0.00 0.00 549 560 6.2 -19.4 1012.3 2 079FEW098 CLR CLR 55 54 15.0 0.0 0.748 10.0 60 04/10 12Z 54 52 136 3 0.00 0.00 548 558 5.7 -20.2 1011.8 2 085FEW100 CLR CLR 55 53 15.0 0.0 0.778 9.7 63 04/10 15Z 56 52 124 2 0.00 0.00 547 557 5.4 -20.8 1011.9 5 016FEW022 CLR CLR 56 53 15.0 0.0 0.748 9.4 66 04/10 18Z 62 51 201 3 0.02 0.02 547 557 4.8 -21.7 1011.7 6 -RA 046FEW055 CLR CLR 62 53 11.3 0.0 0.820 10.3 69 04/10 21Z 62 52 244 9 0.07 0.07 548 556 5.1 -21.6 1010.5 61 -TSRA 040BKN060 CLR CLR 63 60 9.7 0.0 0.805 10.4 72 04/11 00Z 61 49 248 11 0.02 0.02 547 555 5.2 -21.1 1009.3 39 -TSRA 041SCT060 CLR 255FEW281 63 60 15.0 0.0 0.649 10.0 75 04/11 03Z 55 49 231 5 0.00 0.00 546 555 4.9 -22.0 1010.0 7 071FEW092 CLR FEW 61 55 15.0 0.0 0.733 8.8 78 04/11 06Z 53 49 147 5 0.00 0.00 546 554 4.5 -22.1 1010.1 47 072FEW108 215FEW224 242SCT293 61 53 15.0 0.0 0.805 9.0 81 04/11 09Z 52 48 142 6 0.00 0.00 545 553 4.3 -22.0 1009.4 71 071BKN117 155FEW170 235SCT275 53 52 12.9 0.0 0.849 8.7 84 04/11 12Z 52 50 150 4 0.01 0.01 545 552 4.2 -21.8 1008.7 82 -RA 067BKN117 130SCT158 235FEW276 54 52 13.2 0.0 0.820 8.7 87 04/11 15Z 53 50 150 8 0.03 0.03 545 553 4.1 -19.6 1009.0 99 -TSRA 045OVC105 117BKN135 245FEW255 53 52 14.8 0.0 0.792 7.6 90 04/11 18Z 58 50 195 14 0.04 0.04 545 552 3.0 -20.3 1008.4 90 -TSRA 041BKN088 118SCT135 CLR 58 52 8.2 0.0 0.797 8.3 93 04/11 21Z 53 49 219 15 0.06 0.04 543 550 2.6 -22.2 1008.8 100 -TSRA 010OVC115 136SCT157 CLR 57 53 11.8 0.0 0.769 6.3 96 04/12 00Z 57 45 211 18 0.02 0.01 541 547 1.3 -23.8 1007.2 98 -TSRA 013BKN100 134BKN155 CLR 57 53 13.9 0.0 0.611 7.4 99 04/12 03Z 46 44 151 5 0.43 0.03 538 545 0.0 -25.1 1007.6 82 -TSRA 011BKN110 116BKN207 232SCT243 56 45 2.6 0.0 0.675 4.3 102 04/12 06Z 47 44 150 10 0.09 0.02 536 543 -0.3 -27.2 1008.4 91 -TSRA 007BKN105 116BKN221 231BKN247 57 45 13.9 0.0 0.587 4.4 105 04/12 09Z 50 45 243 8 0.03 0.03 535 542 0.1 -28.8 1008.0 99 -TSRA 007BKN101 158SCT225 230SCT249 50 46 5.8 0.0 0.618 5.0 108 04/12 12Z 48 43 224 5 0.11 0.11 534 542 0.0 -29.4 1008.8 97 -TSRA 015BKN098 153BKN227 230FEW248 51 46 5.7 0.0 0.541 4.9 111 04/12 15Z 48 44 148 9 0.08 0.08 534 543 -0.3 -29.1 1010.2 87 -TSRA 054FEW065 166BKN227 230FEW243 49 47 5.2 0.0 0.584 4.5 114 04/12 18Z 49 44 158 8 0.13 0.09 534 544 -0.5 -29.3 1011.6 93 -TSRA 016SCT103 138BKN229 230BKN248 51 46 14.6 0.0 0.580 4.2 117 04/12 21Z 54 42 203 6 0.05 0.05 535 545 0.0 -29.3 1011.4 90 -TSRA 023BKN110 127BKN230 230BKN240 55 50 7.5 0.0 0.611 5.9 120 04/13 00Z 54 43 180 5 0.06 0.05 536 546 0.8 -28.5 1010.9 95 -TSRA 026BKN113 132BKN227 231SCT240 55 50 8.3 0.0 0.598 5.8 123 04/13 03Z 50 44 80 3 0.02 0.02 537 548 1.0 -28.1 1012.9 69 -TSRA 056SCT101 162SCT219 232FEW241 54 50 15.0 0.0 0.618 5.7 126 04/13 06Z 47 43 39 3 0.00 0.00 538 551 1.1 -27.3 1014.9 41 -RA 056SCT101 164FEW221 233FEW242 54 47 15.0 0.0 0.544 6.0 129 04/13 09Z 46 42 14 2 0.00 0.00 540 553 1.1 -24.9 1016.3 7 047FEW068 217FEW234 248FEW269 47 46 15.0 0.0 0.510 5.7 132 04/13 12Z 45 41 94 2 0.00 0.00 541 555 1.8 -22.6 1017.2 45 046FEW059 189FEW235 236SCT275 47 45 15.0 0.0 0.554 5.8 135 04/13 15Z 48 43 147 3 0.00 0.00 544 559 2.7 -20.4 1018.8 8 CLR 167FEW189 246FEW261 48 45 15.0 0.0 0.502 5.8 138 04/13 18Z 56 44 248 4 0.00 0.00 546 563 2.7 -19.9 1019.9 6 020FEW025 168FEW190 CLR 56 45 15.0 0.0 0.469 5.9 141 04/13 21Z 57 44 273 12 0.00 0.00 547 564 3.2 -19.5 1020.1 0 CLR CLR CLR 58 56 15.0 0.0 0.501 6.5 144 04/14 00Z 56 44 274 14 0.00 0.00 548 565 3.7 -16.9 1019.9 0 CLR CLR CLR 58 55 15.0 0.0 0.527 6.5 147 04/14 03Z 50 43 278 9 0.00 0.00 549 566 4.3 -16.0 1020.5 59 FEW CLR 300BKN344 56 50 15.0 0.0 0.521 6.2 150 04/14 06Z 48 43 271 8 0.00 0.00 550 567 4.1 -15.7 1020.9 33 FEW 208FEW231 299SCT340 56 48 15.0 0.0 0.496 6.1 153 04/14 09Z 47 42 262 6 0.00 0.00 550 567 4.6 -14.6 1020.9 20 FEW 185FEW194 332FEW363 48 47 15.0 0.0 0.453 5.1 156 04/14 12Z 47 42 258 5 0.00 0.00 550 567 4.3 -16.0 1021.0 20 FEW CLR 341FEW380 49 47 15.0 0.0 0.509 4.6 159 04/14 15Z 50 43 232 4 0.00 0.00 550 567 4.4 -16.6 1021.3 53 FEW CLR 290SCT364 50 47 15.0 0.0 0.582 4.5 162 04/14 18Z 55 43 227 3 0.00 0.00 551 568 4.6 -16.3 1021.4 75 022FEW028 CLR 278BKN382 55 47 15.0 0.0 0.623 5.1 165 04/14 21Z 60 44 287 6 0.00 0.00 552 569 5.3 -16.4 1020.2 58 CLR CLR 278BKN391 60 55 15.0 0.0 0.632 8.0 168 04/15 00Z 57 45 279 10 0.00 0.00 553 568 5.7 -16.4 1019.1 37 CLR CLR 290SCT392 61 55 15.0 0.0 0.648 9.7