Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 10APR 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 04/10 12Z 57 53 129 6 0.00 0.00 548 558 6.2 -21.3 1011.5 88 000BKN000 000BKN000 CLR **** **** 14.2 0.0 0.965 10.0 3 04/10 15Z 56 53 134 7 0.02 0.02 547 557 5.8 -21.9 1011.5 40 -TSRA 066SCT100 124SCT144 240FEW266 57 54 13.3 0.0 0.881 9.9 6 04/10 18Z 61 53 189 5 0.06 0.06 547 557 5.5 -22.7 1011.5 29 -TSRA 069FEW100 126FEW146 253FEW281 61 53 4.6 0.0 0.808 10.4 9 04/10 21Z 65 49 226 12 0.06 0.06 547 556 5.5 -22.7 1010.2 16 -TSRA 045FEW054 CLR 246FEW284 65 61 14.8 0.0 0.768 11.8 12 04/11 00Z 63 49 224 14 0.00 0.00 547 555 5.7 -22.7 1009.0 35 -TSRA 066FEW095 194FEW233 238SCT283 65 61 15.0 0.0 0.747 10.9 15 04/11 03Z 55 51 199 9 0.03 0.03 547 555 5.0 -22.5 1009.9 13 -TSRA 088FEW112 CLR 238FEW274 63 56 10.2 0.0 0.820 9.4 18 04/11 06Z 55 51 203 7 0.01 0.01 546 555 4.8 -22.8 1011.4 12 -TSRA 077FEW094 CLR 240FEW273 62 55 15.1 0.0 0.783 8.5 21 04/11 09Z 54 51 201 4 0.00 0.00 546 555 4.3 -21.9 1011.6 10 051FEW060 CLR 239FEW248 55 53 15.0 0.0 0.787 8.2 24 04/11 12Z 53 50 164 6 0.01 0.01 546 556 3.4 -20.6 1011.7 40 -RA 071FEW087 197SCT217 239FEW249 55 53 14.5 0.0 0.784 8.2 27 04/11 15Z 54 50 148 8 0.01 0.01 547 556 3.2 -20.6 1011.7 89 -RA 037BKN087 163BKN191 292FEW307 54 52 15.2 0.0 0.763 7.9 30 04/11 18Z 59 50 193 15 0.03 0.03 546 556 3.2 -20.8 1011.4 72 -TSRA 037SCT076 157SCT193 271FEW292 59 52 7.6 0.0 0.803 8.4 33 04/11 21Z 59 49 208 19 0.03 0.03 546 554 3.2 -20.8 1010.0 100 -TSRA 043BKN067 143OVC197 CLR 61 58 14.6 0.0 0.786 8.5 36 04/12 00Z 58 48 173 19 0.01 0.01 545 550 4.5 -21.9 1006.8 100 -TSRA 042SCT067 136OVC213 234FEW244 61 58 14.7 0.0 0.764 9.1 39 04/12 03Z 50 47 224 16 0.53 0.04 540 547 1.7 -25.0 1007.4 100 -TSRA 010BKN116 116OVC233 232BKN261 58 46 4.6 0.0 0.664 5.9 42 04/12 06Z 50 45 171 14 0.04 0.01 538 544 1.0 -26.1 1007.4 100 -TSRA 015BKN101 127OVC232 232BKN253 58 46 13.8 0.0 0.600 5.3 45 04/12 09Z 51 46 206 19 0.04 0.04 538 543 1.4 -27.9 1006.9 70 -TSRA 027SCT052 199SCT231 CLR 52 50 7.3 0.0 0.635 5.7 48 04/12 12Z 51 45 218 19 0.10 0.10 536 542 0.4 -28.5 1007.7 83 -TSRA 026BKN050 180BKN230 230SCT249 52 50 7.4 0.0 0.611 5.4 51 04/12 15Z 51 43 229 9 0.06 0.06 535 543 0.2 -29.0 1009.1 100 -TSRA 010SCT106 152OVC221 230OVC251 51 50 15.3 0.0 0.557 5.4 54 04/12 18Z 53 43 200 9 0.07 0.07 535 544 -0.2 -28.5 1010.9 100 -TSRA 032SCT105 147OVC218 231BKN250 53 50 7.6 0.0 0.599 5.1 57 04/12 21Z 55 43 251 11 0.07 0.07 537 547 0.0 -27.1 1011.6 86 -TSRA 038BKN081 133BKN218 CLR 55 53 12.4 0.0 0.532 6.0 60 04/13 00Z 55 43 269 11 0.01 0.01 539 549 0.7 -26.5 1012.2 49 -TSRA 040SCT081 134SCT219 240FEW251 56 53 15.0 0.0 0.523 5.9 63 04/13 03Z 51 43 274 8 0.00 0.00 539 551 1.1 -26.4 1014.5 3 044FEW049 CLR CLR 55 51 15.0 0.0 0.497 5.3 66 04/13 06Z 49 44 282 5 0.00 0.00 541 555 0.5 -23.2 1016.9 5 047FEW054 CLR 234FEW263 55 49 15.0 0.0 0.563 5.1 69 04/13 09Z 48 44 224 2 0.00 0.00 541 556 0.6 -23.3 1017.6 11 048FEW058 CLR 284FEW303 49 48 15.0 0.0 0.596 5.0 72 04/13 12Z 49 44 170 2 0.00 0.00 541 556 0.7 -23.3 1018.1 28 034FEW047 CLR 267FEW287 50 48 15.0 0.0 0.596 4.7 75 04/13 15Z 52 45 249 1 0.00 0.00 541 557 0.9 -23.3 1020.0 40 034SCT053 CLR 245FEW254 52 49 15.0 0.0 0.629 5.0 78 04/13 18Z 57 45 290 4 0.00 0.00 542 559 1.6 -22.7 1020.6 30 036SCT058 CLR 280FEW303 57 49 15.0 0.0 0.598 6.3 81 04/13 21Z 59 43 291 9 0.00 0.00 543 560 1.9 -21.9 1019.9 18 062FEW086 CLR 257FEW293 59 57 15.0 0.0 0.559 7.9 84 04/14 00Z 57 44 281 12 0.00 0.00 544 560 3.2 -21.1 1019.4 13 063FEW080 CLR 258FEW293 60 56 15.0 0.0 0.524 7.0 87 04/14 03Z 51 44 288 7 0.00 0.00 545 562 2.8 -20.7 1020.3 0 CLR CLR CLR 57 51 15.0 0.0 0.513 7.3 90 04/14 06Z 49 45 287 5 0.00 0.00 546 563 2.9 -19.2 1021.0 0 CLR CLR CLR 57 49 15.0 0.0 0.488 7.0 93 04/14 09Z 48 45 267 2 0.00 0.00 547 564 3.2 -18.2 1020.8 0 CLR CLR CLR 49 48 15.0 0.0 0.476 7.2 96 04/14 12Z 48 44 227 2 0.00 0.00 548 565 3.2 -16.9 1020.7 0 CLR CLR CLR 49 48 15.0 0.0 0.470 6.7 99 04/14 15Z 51 46 232 1 0.00 0.00 548 566 2.7 -17.1 1021.7 49 015FEW021 CLR 265SCT377 51 48 15.0 0.0 0.483 6.2 102 04/14 18Z 57 45 264 4 0.00 0.00 549 567 3.4 -17.4 1021.9 60 015FEW020 219FEW237 256BKN369 57 48 15.0 0.0 0.475 6.6 105 04/14 21Z 59 44 279 10 0.00 0.00 550 567 4.2 -17.5 1020.8 33 CLR 206FEW220 254SCT337 59 57 15.0 0.0 0.469 7.8 108 04/15 00Z 57 43 278 11 0.00 0.00 550 567 5.3 -17.2 1019.7 19 CLR CLR 271FEW346 60 56 15.0 0.0 0.457 8.5 111 04/15 03Z 50 42 286 8 0.00 0.00 551 567 6.0 -17.2 1020.0 8 CLR CLR 345FEW362 57 50 15.0 0.0 0.436 8.2 114 04/15 06Z 49 43 267 5 0.00 0.00 551 568 6.6 -16.7 1019.8 13 CLR CLR 323FEW361 57 49 15.0 0.0 0.524 8.3 117 04/15 09Z 49 43 268 6 0.00 0.00 551 567 6.8 -16.4 1019.0 17 CLR 208FEW223 299FEW331 49 48 15.0 0.0 0.596 8.3 120 04/15 12Z 47 43 277 5 0.00 0.00 551 566 6.8 -16.0 1018.4 19 104FEW119 172FEW193 320FEW354 49 47 15.0 0.0 0.585 7.9 123 04/15 15Z 51 44 274 4 0.00 0.00 551 566 5.8 -15.6 1018.7 44 091FEW113 119FEW130 339SCT435 51 47 15.0 0.0 0.713 8.2 126 04/15 18Z 58 44 278 6 0.00 0.00 552 567 5.3 -14.8 1018.9 32 086FEW104 119FEW130 338FEW427 58 47 15.0 0.0 0.711 7.9 129 04/15 21Z 60 47 275 13 0.00 0.00 552 568 5.0 -14.7 1018.1 9 CLR CLR 371FEW413 61 58 15.0 0.0 0.725 9.1 132 04/16 00Z 59 48 282 14 0.00 0.00 553 567 5.8 -15.0 1016.9 8 CLR CLR 378FEW417 61 58 15.0 0.0 0.716 9.2 135 04/16 03Z 54 48 292 12 0.00 0.00 553 567 5.6 -14.4 1017.5 9 CLR CLR 397FEW424 59 54 15.0 0.0 0.696 9.9 138 04/16 06Z 52 49 295 9 0.00 0.00 552 567 5.0 -14.1 1018.1 8 CLR CLR 401FEW424 59 52 15.0 0.0 0.685 8.5 141 04/16 09Z 51 48 284 9 0.00 0.00 552 566 5.0 -15.1 1017.2 6 FEW CLR CLR 52 51 15.0 0.0 0.484 8.2 144 04/16 12Z 48 43 286 7 0.00 0.00 552 565 4.4 -15.2 1016.8 4 FEW CLR CLR 52 48 15.0 0.0 0.286 7.3 147 04/16 15Z 50 44 19 4 0.00 0.00 551 566 1.8 -16.2 1017.8 1 CLR CLR 377FEW400 51 47 15.0 0.0 0.357 5.5 150 04/16 18Z 58 32 8 9 0.00 0.00 551 565 0.3 -16.1 1017.8 1 CLR CLR CLR 58 47 15.0 0.0 0.291 6.5 153 04/16 21Z 63 32 3 12 0.00 0.00 551 565 2.7 -15.7 1015.9 0 CLR CLR CLR 63 58 15.0 0.0 0.247 9.2 156 04/17 00Z 65 33 349 16 0.00 0.00 552 564 4.9 -15.7 1013.7 0 CLR CLR CLR 65 58 15.0 0.0 0.274 11.5 159 04/17 03Z 60 31 348 15 0.00 0.00 553 564 6.0 -14.2 1013.4 0 CLR CLR CLR 65 60 15.0 0.0 0.193 12.0 162 04/17 06Z 58 24 8 15 0.00 0.00 553 565 6.7 -15.3 1013.8 0 CLR CLR CLR 65 58 15.0 0.0 0.119 10.8 165 04/17 09Z 55 24 4 12 0.00 0.00 553 565 5.3 -15.6 1014.3 0 CLR CLR CLR 58 55 15.0 0.0 0.126 9.6 168 04/17 12Z 50 26 353 7 0.00 0.00 552 564 4.8 -15.9 1014.6 1 CLR CLR 293FEW314 58 50 15.0 0.0 0.147 9.3