Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 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 00Z 55 51 190 19 0.00 0.00 544 551 3.4 -22.6 1007.6 100 -RA 000OVC000 000OVC000 CLR **** **** 5.4 0.0 0.880 8.1 3 04/12 03Z 51 46 191 9 0.41 0.03 540 547 1.5 -24.9 1008.3 100 -TSRA 009OVC110 116OVC232 233BKN257 55 46 15.3 0.0 0.628 5.9 6 04/12 06Z 51 45 217 16 0.04 0.04 537 544 0.8 -28.9 1008.7 79 -TSRA 011BKN105 135BKN224 231SCT254 55 46 9.8 0.0 0.598 5.9 9 04/12 09Z 51 45 235 12 0.06 0.06 537 544 0.7 -28.5 1008.7 79 -TSRA 030SCT048 170BKN226 CLR 52 51 12.1 0.0 0.595 6.1 12 04/12 12Z 50 44 226 9 0.06 0.06 536 544 0.9 -28.2 1009.5 75 -TSRA 033SCT051 179BKN226 CLR 52 50 7.4 0.0 0.575 5.8 15 04/12 15Z 51 45 210 12 0.11 0.11 536 545 0.6 -27.3 1010.6 100 -TSRA 056FEW083 150OVC203 CLR 51 49 7.5 0.0 0.590 5.3 18 04/12 18Z 53 46 234 16 0.07 0.07 536 546 0.0 -28.2 1011.9 100 -TSRA 040FEW095 139OVC213 231SCT250 53 49 6.5 0.0 0.668 5.3 21 04/12 21Z 55 46 249 12 0.10 0.08 538 549 0.6 -25.9 1012.3 100 -TSRA 008BKN115 118BKN231 232BKN251 55 52 14.2 0.0 0.564 6.1 24 04/13 00Z 55 42 267 11 0.01 0.01 539 550 1.5 -24.4 1013.2 80 -TSRA 010SCT110 157BKN232 233BKN251 56 52 15.0 0.0 0.549 6.0 27 04/13 03Z 50 42 253 6 0.00 0.00 539 552 1.0 -24.2 1014.9 6 082FEW098 121FEW154 CLR 56 51 15.0 0.0 0.588 5.5 30 04/13 06Z 51 44 171 6 0.00 0.00 539 553 1.0 -25.4 1016.7 36 044SCT113 119FEW147 235FEW252 56 49 15.2 0.0 0.684 5.3 33 04/13 09Z 49 44 177 3 0.01 0.01 538 552 1.0 -26.1 1017.2 86 023BKN066 159FEW173 233SCT255 51 49 15.0 0.0 0.618 5.4 36 04/13 12Z 48 44 343 2 0.00 0.00 539 553 0.8 -24.9 1017.7 58 025SCT062 167FEW181 234SCT256 52 48 15.0 0.0 0.570 4.9 39 04/13 15Z 50 45 354 2 0.00 0.00 540 556 0.5 -23.3 1019.1 45 028SCT038 191FEW202 259FEW284 51 47 15.0 0.0 0.546 4.9 42 04/13 18Z 56 44 303 5 0.00 0.00 542 558 0.4 -22.4 1019.6 38 -RA 033FEW043 179FEW194 259FEW289 57 47 15.0 0.0 0.555 6.0 45 04/13 21Z 59 43 297 10 0.00 0.00 544 560 1.7 -21.6 1019.0 58 046BKN060 CLR 265FEW292 59 56 15.0 0.0 0.542 7.8 48 04/14 00Z 57 44 285 12 0.00 0.00 545 561 2.9 -21.6 1018.3 46 047SCT060 CLR 270FEW296 59 56 15.0 0.0 0.526 7.9 51 04/14 03Z 52 45 286 9 0.00 0.00 546 562 2.9 -20.9 1019.3 1 CLR CLR CLR 57 52 15.0 0.0 0.542 8.0 54 04/14 06Z 50 46 261 4 0.00 0.00 547 563 3.3 -20.2 1019.6 0 CLR CLR CLR 58 50 15.0 0.0 0.560 8.6 57 04/14 09Z 49 45 268 5 0.00 0.00 548 564 3.5 -18.5 1019.4 1 FEW CLR CLR 50 49 15.0 0.0 0.545 7.1 60 04/14 12Z 48 45 273 4 0.00 0.00 549 565 3.6 -18.2 1019.8 3 FEW CLR CLR 50 48 15.0 0.0 0.499 6.0 63 04/14 15Z 51 45 248 4 0.00 0.00 549 566 3.7 -18.4 1021.1 26 015FEW020 CLR 318FEW336 51 48 15.0 0.0 0.504 4.8 66 04/14 18Z 54 44 242 7 0.00 0.00 549 567 3.8 -17.6 1022.1 64 011BKN032 216FEW234 250SCT300 54 48 15.0 0.0 0.504 4.8 69 04/14 21Z 58 44 259 8 0.00 0.00 551 568 4.9 -16.7 1021.4 74 016BKN036 CLR 314FEW361 58 54 15.0 0.0 0.487 6.0 72 04/15 00Z 56 44 272 11 0.00 0.00 552 569 5.3 -16.5 1020.1 40 015SCT036 CLR 346FEW384 58 54 15.0 0.0 0.543 6.5 75 04/15 03Z 50 44 272 7 0.00 0.00 552 569 6.2 -16.2 1020.3 7 CLR CLR 389FEW424 56 50 15.0 0.0 0.569 7.6 78 04/15 06Z 49 43 246 4 0.00 0.00 553 570 6.4 -16.2 1020.4 7 CLR CLR 385FEW425 56 49 15.0 0.0 0.567 8.4 81 04/15 09Z 49 44 240 5 0.00 0.00 553 569 7.0 -16.2 1019.4 36 CLR CLR 347SCT424 49 49 15.0 0.0 0.599 7.9 84 04/15 12Z 49 44 228 4 0.00 0.00 552 567 7.2 -16.8 1018.4 68 CLR 221FEW240 284BKN422 49 48 15.0 0.0 0.579 7.8 87 04/15 15Z 51 44 241 4 0.00 0.00 550 566 7.3 -17.5 1018.6 100 CLR 184OVC239 239OVC422 50 49 15.0 0.0 0.602 6.9 90 04/15 18Z 55 43 258 6 0.00 0.00 550 566 6.8 -17.9 1019.2 100 CLR 155OVC239 247OVC417 55 49 15.0 0.0 0.597 6.5 93 04/15 21Z 59 46 271 13 0.00 0.00 550 565 6.6 -16.7 1018.3 95 CLR 133BKN230 294BKN344 59 56 15.0 0.0 0.621 7.4 96 04/16 00Z 57 48 270 13 0.00 0.00 550 564 6.5 -15.7 1017.0 97 104FEW115 131BKN220 308BKN368 59 56 15.0 0.0 0.844 8.0 99 04/16 03Z 53 49 279 8 0.00 0.00 550 564 5.3 -15.1 1017.5 97 103FEW118 121FEW150 309BKN340 57 53 15.0 0.0 0.816 8.3 102 04/16 06Z 52 49 294 7 0.00 0.00 550 564 4.3 -15.7 1017.8 61 091FEW105 120FEW146 310BKN339 57 52 15.0 0.0 0.745 8.3 105 04/16 09Z 52 50 274 6 0.00 0.00 549 564 3.9 -16.2 1017.4 26 030FEW045 CLR 388FEW402 52 51 15.0 0.0 0.761 7.9 108 04/16 12Z 50 44 268 8 0.00 0.00 548 562 3.7 -16.7 1016.9 34 021SCT034 CLR 387FEW401 52 50 15.0 0.0 0.450 7.1 111 04/16 15Z 50 44 347 5 0.00 0.00 546 561 2.0 -17.4 1017.9 0 CLR CLR CLR 51 47 15.0 0.0 0.293 5.9 114 04/16 18Z 59 33 7 10 0.00 0.00 545 560 1.4 -20.3 1018.0 0 CLR CLR CLR 59 47 15.0 0.0 0.259 7.2 117 04/16 21Z 64 28 359 13 0.00 0.00 545 559 3.5 -18.8 1016.9 0 CLR CLR CLR 64 59 15.0 0.0 0.163 9.9 120 04/17 00Z 63 33 301 11 0.00 0.00 547 560 4.9 -16.3 1015.5 0 CLR CLR CLR 65 59 15.0 0.0 0.172 11.4 123 04/17 03Z 55 41 299 9 0.00 0.00 548 562 5.5 -16.2 1016.0 0 CLR CLR CLR 63 55 15.0 0.0 0.263 10.7 126 04/17 06Z 52 41 319 6 0.00 0.00 550 564 5.4 -16.8 1016.5 0 CLR CLR CLR 63 52 15.0 0.0 0.232 11.0 129 04/17 09Z 51 32 340 7 0.00 0.00 551 565 5.2 -17.3 1016.5 0 CLR CLR CLR 52 51 15.0 0.0 0.184 11.4 132 04/17 12Z 49 29 6 6 0.00 0.00 552 565 6.5 -17.3 1016.6 4 CLR CLR 272FEW311 52 49 15.0 0.0 0.177 11.1 135 04/17 15Z 51 29 54 2 0.00 0.00 552 567 6.0 -17.3 1018.0 3 CLR CLR 289FEW302 52 47 15.0 0.0 0.191 10.5 138 04/17 18Z 61 29 349 3 0.00 0.00 552 568 5.7 -17.5 1018.8 6 CLR CLR 283FEW310 61 47 15.0 0.0 0.231 9.6 141 04/17 21Z 65 35 297 6 0.00 0.00 554 569 5.3 -16.8 1018.1 4 CLR CLR 273FEW287 66 61 15.0 0.0 0.297 11.7 144 04/18 00Z 60 42 286 11 0.00 0.00 554 569 6.3 -15.9 1017.5 12 CLR CLR 299FEW331 67 59 15.0 0.0 0.370 11.5 147 04/18 03Z 53 44 276 5 0.00 0.00 554 569 7.6 -15.7 1018.1 20 CLR CLR 309FEW343 60 53 15.0 0.0 0.350 11.8 150 04/18 06Z 50 44 222 2 0.00 0.00 555 570 8.5 -15.2 1018.8 60 CLR CLR 290BKN381 60 50 15.0 0.0 0.344 11.5 153 04/18 09Z 51 44 187 4 0.00 0.00 555 570 8.0 -15.4 1018.7 100 CLR CLR 248OVC375 51 50 15.0 0.0 0.375 11.3 156 04/18 12Z 49 44 186 3 0.00 0.00 554 569 7.6 -16.1 1018.7 91 CLR 190SCT237 249BKN355 51 49 15.0 0.0 0.421 10.6 159 04/18 15Z 52 45 161 5 0.00 0.00 553 569 7.8 -16.1 1019.3 11 CLR 152FEW177 351FEW378 53 49 15.0 0.0 0.408 11.1 162 04/18 18Z 60 44 235 2 0.00 0.00 554 570 7.9 -16.0 1019.6 9 CLR 152FEW178 347FEW377 61 48 15.0 0.0 0.433 10.8 165 04/18 21Z 66 43 281 7 0.00 0.00 555 570 8.5 -16.8 1018.6 7 CLR CLR 331FEW367 66 60 15.0 0.0 0.451 12.5 168 04/19 00Z 61 43 282 8 0.00 0.00 555 570 9.4 -17.1 1018.0 9 CLR CLR 334FEW364 66 59 15.0 0.0 0.437 13.3