Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 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 12Z 52 49 182 3 0.00 0.00 558 572 12.7 -15.8 1016.9 5 000FEW000 CLR 000FEW000 **** **** 15.0 0.0 0.941 15.3 3 04/08 15Z 54 51 179 3 0.00 0.00 557 571 12.3 -16.3 1017.2 20 067FEW083 120FEW127 330FEW357 54 52 14.7 0.0 0.979 15.3 6 04/08 18Z 63 53 279 4 0.00 0.00 557 572 11.8 -16.9 1017.1 29 049SCT062 121FEW127 325FEW353 63 52 15.0 0.0 0.958 15.3 9 04/08 21Z 66 54 288 8 0.00 0.00 557 571 11.6 -16.8 1015.9 1 099FEW114 CLR CLR 66 63 15.1 0.0 0.952 15.6 12 04/09 00Z 63 55 285 9 0.00 0.00 557 570 11.4 -17.1 1014.6 1 CLR CLR CLR 67 62 15.0 0.0 0.945 14.6 15 04/09 03Z 56 55 286 5 0.00 0.00 556 569 10.9 -17.4 1015.0 0 CLR CLR CLR 63 56 15.0 0.0 0.913 13.5 18 04/09 06Z 55 54 264 3 0.00 0.00 556 569 10.3 -17.5 1015.4 0 CLR CLR CLR 63 55 15.0 0.0 0.869 12.8 21 04/09 09Z 55 54 229 1 0.00 0.00 554 567 9.5 -17.3 1015.1 15 000FEW011 CLR 317FEW329 55 55 15.3 0.0 0.871 12.1 24 04/09 12Z 54 53 113 0 0.00 0.00 554 565 9.3 -17.7 1014.0 15 004FEW013 CLR 316FEW328 55 54 15.0 0.0 0.842 12.0 27 04/09 15Z 56 54 145 1 0.00 0.00 553 565 8.7 -18.0 1014.3 13 000FEW012 CLR 342FEW353 56 54 15.0 0.0 0.823 12.0 30 04/09 18Z 64 54 295 4 0.00 0.00 552 565 7.8 -18.2 1014.5 10 005FEW013 CLR 337FEW348 64 54 15.2 0.0 0.891 11.5 33 04/09 21Z 67 53 276 9 0.00 0.00 553 564 7.8 -18.2 1013.4 16 077FEW089 CLR FEW 67 64 15.0 0.0 0.910 12.9 36 04/10 00Z 64 54 262 9 0.00 0.00 552 563 8.1 -18.7 1012.5 50 077SCT099 CLR 308SCT331 68 62 15.0 0.0 0.878 11.8 39 04/10 03Z 57 54 269 5 0.00 0.00 552 562 7.8 -19.2 1012.5 39 067SCT106 CLR CLR 64 57 15.1 0.0 0.800 11.3 42 04/10 06Z 55 53 296 2 0.00 0.00 550 561 7.0 -19.7 1012.9 28 067SCT103 119FEW125 CLR 64 55 15.1 0.0 0.899 10.6 45 04/10 09Z 56 54 105 3 0.06 0.00 549 560 6.4 -19.9 1012.2 86 -RA 017BKN118 118BKN170 CLR 56 54 15.2 0.0 0.913 9.7 48 04/10 12Z 55 54 118 4 0.14 0.03 548 558 5.3 -20.2 1011.5 93 -RA 009BKN117 118BKN181 237FEW296 56 54 9.2 0.0 0.926 9.5 51 04/10 15Z 56 53 131 5 0.02 0.01 547 557 5.0 -21.2 1011.8 55 -RA 022BKN113 118SCT148 CLR 56 54 13.7 0.0 0.779 9.7 54 04/10 18Z 60 52 181 4 0.06 0.07 547 557 5.0 -21.8 1012.1 30 -TSRA 027SCT109 118FEW148 CLR 60 54 10.5 0.0 0.844 9.8 57 04/10 21Z 62 52 214 6 0.14 0.14 547 556 4.7 -21.6 1011.1 42 -TSRA 055SCT083 125FEW131 247FEW270 62 60 11.4 0.0 0.797 10.5 60 04/11 00Z 62 49 242 13 0.03 0.03 548 556 5.4 -21.4 1009.2 28 -TSRA 055FEW082 CLR 247FEW269 64 60 15.0 0.0 0.685 10.5 63 04/11 03Z 56 50 214 4 0.00 0.00 546 555 4.8 -22.1 1010.0 12 075FEW097 CLR 258FEW286 61 56 15.0 0.0 0.837 9.0 66 04/11 06Z 54 50 157 5 0.00 0.00 546 554 4.6 -22.7 1010.0 41 077FEW107 197FEW221 237SCT279 61 54 15.1 0.0 0.844 8.5 69 04/11 09Z 56 50 178 5 0.01 0.01 546 553 4.2 -22.3 1009.3 80 -RA 024BKN061 CLR CLR 56 54 12.9 0.0 0.843 8.6 72 04/11 12Z 54 51 209 6 0.06 0.06 545 553 3.7 -20.5 1008.7 87 -TSRA 022BKN065 125FEW132 CLR 56 53 7.0 0.0 0.819 7.9 75 04/11 15Z 53 50 229 9 0.07 0.06 544 552 3.0 -21.0 1009.2 100 -TSRA 006OVC088 150BKN176 CLR 54 53 11.0 0.0 0.815 6.8 78 04/11 18Z 55 48 211 16 0.02 0.01 542 550 2.1 -22.0 1008.9 100 -TSRA 018BKN094 136BKN174 CLR 56 53 10.3 0.0 0.761 6.8 81 04/11 21Z 58 45 213 20 0.03 0.03 540 546 1.5 -24.7 1007.5 99 -TSRA 029BKN089 117OVC163 CLR 58 54 12.8 0.0 0.596 7.4 84 04/12 00Z 51 44 241 13 0.21 0.03 537 544 -0.3 -28.0 1008.7 97 -TSRA 027BKN102 116BKN171 CLR 58 45 11.8 0.0 0.487 4.8 87 04/12 03Z 50 41 235 14 0.01 0.01 536 544 -0.4 -28.6 1009.7 14 -RA 047FEW070 CLR CLR 53 50 15.0 0.0 0.457 5.3 90 04/12 06Z 50 43 238 12 0.01 0.01 535 543 0.1 -29.5 1009.9 43 -RA 038FEW057 179SCT230 230FEW239 53 50 6.8 0.0 0.525 5.2 93 04/12 09Z 48 44 234 7 0.10 0.10 534 542 -0.1 -29.6 1010.1 100 -TSRA 047FEW071 130OVC230 230FEW239 51 48 4.4 0.0 0.589 4.9 96 04/12 12Z 48 43 239 7 0.11 0.10 533 542 -1.0 -30.1 1010.2 100 -TSRA 025BKN108 122OVC229 229FEW239 51 47 4.9 0.0 0.610 3.3 99 04/12 15Z 48 44 138 6 0.10 0.03 533 543 -0.6 -29.9 1011.4 78 -TSRA 004BKN112 118BKN225 CLR 48 46 9.1 0.0 0.566 4.2 102 04/12 18Z 51 42 216 6 0.07 0.06 534 545 -0.7 -28.1 1012.7 90 -TSRA 012BKN114 125BKN219 231FEW240 51 46 14.0 0.0 0.518 4.5 105 04/12 21Z 53 42 266 12 0.05 0.05 536 547 0.4 -27.4 1013.0 98 -TSRA 034BKN057 169BKN230 231BKN266 54 52 14.9 0.0 0.444 5.0 108 04/13 00Z 53 41 268 12 0.00 0.00 537 548 0.6 -25.7 1013.4 96 -TSRA 035SCT056 167BKN231 232BKN273 55 52 15.0 0.0 0.540 4.8 111 04/13 03Z 51 43 265 10 0.00 0.00 537 550 0.7 -24.9 1015.1 99 089FEW116 124BKN231 233BKN278 53 51 15.0 0.0 0.628 4.6 114 04/13 06Z 49 44 235 6 0.01 0.01 538 551 0.0 -24.6 1016.4 99 -RA 072SCT115 124BKN228 239BKN280 53 49 8.1 0.0 0.655 4.7 117 04/13 09Z 49 45 186 5 0.07 0.06 537 551 -0.2 -26.4 1017.1 100 -TSRA 024OVC114 116OVC181 257SCT278 50 48 6.8 0.0 0.681 4.8 120 04/13 12Z 48 46 241 3 0.29 0.06 536 551 -0.2 -28.0 1017.9 100 -TSRA 013OVC115 116OVC201 257SCT277 50 48 2.3 0.0 0.694 4.0 123 04/13 15Z 49 46 148 8 0.14 0.02 537 554 -0.3 -23.8 1020.0 99 -TSRA 008OVC113 117BKN216 CLR 49 48 14.4 0.0 0.607 4.1 126 04/13 18Z 51 44 80 4 0.01 0.00 540 558 0.0 -22.5 1021.4 95 -RA 012BKN095 118SCT217 250FEW263 51 48 15.0 0.0 0.560 4.5 129 04/13 21Z 53 45 30 8 0.00 0.00 543 561 0.8 -21.1 1021.5 90 019BKN066 CLR CLR 54 50 15.0 0.0 0.546 4.9 132 04/14 00Z 58 42 357 7 0.00 0.00 545 563 0.6 -20.2 1020.9 59 022BKN063 CLR CLR 58 50 15.0 0.0 0.515 6.6 135 04/14 03Z 51 45 295 9 0.00 0.00 546 564 1.3 -20.5 1021.8 7 048FEW056 CLR CLR 58 51 15.0 0.0 0.483 6.3 138 04/14 06Z 49 43 304 4 0.00 0.00 547 566 2.7 -19.9 1022.0 5 048FEW056 CLR CLR 58 49 15.0 0.0 0.458 6.7 141 04/14 09Z 48 43 287 1 0.00 0.00 548 566 3.5 -17.6 1021.5 0 CLR CLR CLR 49 48 15.0 0.0 0.493 7.3 144 04/14 12Z 46 43 106 1 0.00 0.00 549 566 3.5 -16.3 1021.1 0 CLR CLR CLR 49 46 15.0 0.0 0.508 6.7 147 04/14 15Z 49 44 178 1 0.00 0.00 549 567 3.4 -16.0 1022.0 0 CLR CLR CLR 50 46 15.0 0.0 0.494 6.2 150 04/14 18Z 57 45 241 3 0.00 0.00 551 569 4.1 -15.6 1021.7 0 CLR CLR CLR 57 46 15.0 0.0 0.489 6.2 153 04/14 21Z 58 45 270 11 0.00 0.00 553 570 4.4 -14.6 1020.9 5 CLR CLR 347FEW358 59 57 15.0 0.0 0.495 7.4 156 04/15 00Z 55 45 269 11 0.00 0.00 553 570 5.2 -14.5 1020.2 6 CLR CLR 353FEW371 59 54 15.0 0.0 0.472 7.4 159 04/15 03Z 50 44 270 6 0.00 0.00 553 570 5.9 -14.8 1020.0 0 CLR CLR CLR 55 50 15.0 0.0 0.461 7.8 162 04/15 06Z 48 44 228 4 0.00 0.00 554 570 6.1 -15.0 1019.7 1 CLR CLR CLR 55 48 15.0 0.0 0.429 8.2 165 04/15 09Z 48 44 218 4 0.00 0.00 553 569 6.0 -14.4 1018.9 11 CLR CLR 406FEW435 48 48 15.0 0.0 0.446 7.3 168 04/15 12Z 47 44 178 4 0.00 0.00 553 568 6.0 -14.2 1017.8 30 016FEW019 CLR 363SCT416 48 47 15.0 0.0 0.429 8.4