Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 11APR 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 04/11 12Z 53 51 170 5 0.00 0.00 547 557 4.0 -20.7 1011.9 99 -RA 000FEW000 000OVC000 000FEW000 **** **** 15.1 0.0 0.812 8.1 3 04/11 15Z 55 52 162 7 0.01 0.01 547 557 3.9 -20.8 1011.6 100 -TSRA 052FEW068 155BKN189 271BKN339 55 53 12.2 0.0 0.769 8.2 6 04/11 18Z 60 50 188 13 0.03 0.03 547 556 3.7 -20.8 1011.1 100 -TSRA 049FEW063 151BKN191 258BKN317 60 53 10.3 0.0 0.805 9.2 9 04/11 21Z 61 48 201 18 0.04 0.04 546 554 3.7 -20.7 1009.4 99 -TSRA 045BKN067 146OVC202 245FEW263 62 60 14.6 0.0 0.818 9.6 12 04/12 00Z 56 50 200 20 0.05 0.03 544 550 3.3 -22.9 1006.8 100 -TSRA 033BKN088 137OVC214 239FEW252 62 56 5.5 0.0 0.878 8.1 15 04/12 03Z 51 46 233 8 0.54 0.02 540 546 0.3 -24.1 1007.7 100 -TSRA 005OVC116 116OVC226 233BKN266 56 47 13.9 0.0 0.618 5.8 18 04/12 06Z 52 45 207 16 0.01 0.01 538 544 0.8 -27.7 1007.6 85 -TSRA 017BKN109 128BKN227 231SCT264 56 47 15.0 0.0 0.571 6.1 21 04/12 09Z 52 45 228 14 0.04 0.04 537 544 0.7 -27.7 1007.8 69 -TSRA 030BKN052 201FEW226 CLR 52 51 8.8 0.0 0.633 5.9 24 04/12 12Z 51 45 215 15 0.06 0.06 537 544 0.7 -26.6 1008.3 68 -TSRA 032SCT053 183SCT230 231FEW257 52 51 10.6 0.0 0.533 5.8 27 04/12 15Z 52 45 223 18 0.07 0.08 536 544 0.6 -28.4 1009.8 100 -TSRA 025SCT095 153OVC231 231BKN259 52 51 4.1 0.0 0.677 5.5 30 04/12 18Z 54 46 247 12 0.10 0.10 536 546 0.6 -27.7 1011.8 97 -TSRA 021SCT100 154BKN231 232BKN255 54 51 7.8 0.0 0.614 5.8 33 04/12 21Z 57 45 239 11 0.06 0.06 539 549 1.1 -26.3 1012.6 30 -TSRA 044FEW073 177FEW215 234FEW251 57 54 12.0 0.0 0.565 6.6 36 04/13 00Z 57 44 263 11 0.02 0.02 540 551 1.0 -24.3 1013.0 22 -TSRA 045FEW064 178FEW211 237FEW253 57 54 10.9 0.0 0.594 6.7 39 04/13 03Z 53 46 265 10 0.01 0.01 541 553 1.4 -23.5 1014.7 41 -RA 034SCT093 158FEW183 253FEW263 56 52 15.0 0.0 0.676 5.7 42 04/13 06Z 52 47 224 5 0.02 0.02 540 554 1.6 -24.2 1016.7 63 -RA 033BKN092 137FEW161 248FEW260 56 51 13.4 0.0 0.696 5.6 45 04/13 09Z 51 46 204 4 0.01 0.01 540 554 1.7 -25.3 1017.2 75 -RA 027BKN046 118FEW165 243SCT271 51 51 15.0 0.0 0.692 5.4 48 04/13 12Z 50 46 215 1 0.01 0.01 540 554 1.7 -24.1 1017.5 83 -RA 030BKN052 120SCT195 243FEW269 52 50 15.0 0.0 0.654 5.5 51 04/13 15Z 50 47 347 3 0.00 0.00 541 557 1.0 -22.8 1019.2 46 -RA 046FEW073 124FEW139 251SCT273 51 48 15.0 0.0 0.561 5.4 54 04/13 18Z 56 46 307 5 0.00 0.00 543 559 0.9 -22.5 1019.9 50 -RA 044FEW066 CLR 253SCT287 57 48 15.0 0.0 0.565 6.3 57 04/13 21Z 59 42 297 11 0.00 0.00 545 561 2.0 -21.5 1019.2 54 045FEW054 200FEW209 249SCT292 59 56 15.0 0.0 0.506 7.9 60 04/14 00Z 58 45 284 13 0.00 0.00 546 561 3.1 -21.7 1018.7 28 048FEW055 CLR 250FEW292 60 56 15.0 0.0 0.534 8.0 63 04/14 03Z 52 46 287 9 0.00 0.00 546 562 3.1 -20.8 1019.4 3 056FEW063 CLR CLR 58 52 15.0 0.0 0.573 8.3 66 04/14 06Z 50 46 269 5 0.00 0.00 547 563 3.3 -20.1 1019.6 4 059FEW066 CLR CLR 58 50 15.0 0.0 0.580 8.4 69 04/14 09Z 49 45 281 5 0.00 0.00 548 564 3.2 -19.1 1019.4 4 058FEW062 CLR CLR 50 49 15.0 0.0 0.548 7.3 72 04/14 12Z 48 44 273 5 0.00 0.00 548 564 3.2 -18.0 1019.8 3 058FEW062 CLR CLR 50 48 15.0 0.0 0.484 5.9 75 04/14 15Z 51 45 245 4 0.00 0.00 548 566 3.7 -18.2 1021.0 9 FEW CLR 353FEW364 51 48 15.0 0.0 0.462 4.9 78 04/14 18Z 55 44 232 7 0.00 0.00 549 567 3.8 -17.3 1022.3 38 020SCT032 CLR 344FEW370 55 48 15.0 0.0 0.477 4.9 81 04/14 21Z 58 44 257 8 0.00 0.00 550 568 4.6 -16.6 1021.5 46 016SCT035 CLR 304FEW337 58 56 15.0 0.0 0.476 6.0 84 04/15 00Z 57 44 274 11 0.00 0.00 552 569 5.3 -16.0 1020.2 25 016FEW035 CLR 323FEW352 58 56 15.0 0.0 0.503 6.5 87 04/15 03Z 51 44 277 7 0.00 0.00 552 569 5.7 -16.4 1020.5 6 CLR CLR 387FEW408 56 50 15.0 0.0 0.569 7.7 90 04/15 06Z 49 44 268 3 0.00 0.00 553 570 5.7 -16.5 1020.6 5 CLR CLR 390FEW410 56 49 15.0 0.0 0.601 8.2 93 04/15 09Z 49 44 200 4 0.00 0.00 553 569 7.2 -16.2 1019.7 5 CLR CLR 373FEW409 49 49 15.0 0.0 0.603 8.5 96 04/15 12Z 48 44 186 3 0.00 0.00 553 568 6.7 -16.4 1018.8 42 CLR CLR 317SCT429 49 48 15.0 0.0 0.644 8.0 99 04/15 15Z 51 44 208 3 0.00 0.00 552 567 7.4 -17.0 1018.8 100 CLR 214FEW240 246OVC437 51 48 15.0 0.0 0.558 8.0 102 04/15 18Z 54 44 257 5 0.00 0.00 551 567 7.2 -16.2 1019.5 100 CLR 176BKN240 243OVC436 54 48 15.0 0.0 0.581 7.3 105 04/15 21Z 56 43 252 7 0.00 0.00 551 566 7.3 -16.5 1018.7 100 CLR 132OVC240 240OVC435 57 54 15.0 0.0 0.617 7.0 108 04/16 00Z 57 45 283 8 0.00 0.00 550 565 7.4 -16.3 1017.7 100 103FEW119 126OVC239 239OVC434 58 54 15.0 0.0 0.805 7.6 111 04/16 03Z 53 48 276 6 0.00 0.00 550 564 6.3 -15.9 1017.3 100 097FEW118 118OVC239 239OVC437 57 53 15.0 0.0 0.881 10.1 114 04/16 06Z 52 48 294 6 0.00 0.00 549 564 5.2 -15.2 1017.3 100 098SCT118 119BKN232 239OVC434 57 52 15.0 0.0 0.813 8.8 117 04/16 09Z 52 49 274 8 0.00 0.00 549 563 4.9 -14.7 1016.9 100 086FEW108 118FEW167 277OVC423 52 51 15.0 0.0 0.785 8.2 120 04/16 12Z 50 47 290 6 0.00 0.00 548 561 4.3 -14.9 1016.0 88 063FEW089 117FEW156 296BKN417 52 50 15.0 0.0 0.588 7.8 123 04/16 15Z 50 47 348 5 0.00 0.00 546 560 2.3 -18.0 1016.9 18 020FEW035 CLR CLR 51 48 15.0 0.0 0.446 6.0 126 04/16 18Z 58 39 17 9 0.00 0.00 546 560 2.8 -21.3 1017.0 26 026SCT038 CLR CLR 58 48 15.0 0.0 0.361 6.8 129 04/16 21Z 65 41 336 7 0.00 0.00 547 560 4.0 -19.8 1015.5 1 062FEW066 CLR CLR 65 58 15.0 0.0 0.449 10.6 132 04/17 00Z 66 35 352 10 0.00 0.00 549 561 5.7 -17.1 1013.9 3 061FEW072 CLR CLR 66 58 15.0 0.0 0.267 12.4 135 04/17 03Z 58 39 328 8 0.00 0.00 551 564 7.4 -17.0 1014.6 0 CLR CLR CLR 66 58 15.0 0.0 0.242 11.7 138 04/17 06Z 55 35 340 9 0.00 0.00 553 566 7.4 -15.8 1015.2 0 CLR CLR CLR 66 55 15.0 0.0 0.177 12.9 141 04/17 09Z 52 32 351 5 0.00 0.00 554 567 7.9 -16.2 1015.3 2 CLR CLR 319FEW338 55 52 15.0 0.0 0.171 12.8 144 04/17 12Z 49 30 23 3 0.00 0.00 554 567 7.3 -16.0 1015.9 13 CLR CLR 290FEW324 55 49 15.0 0.0 0.196 11.9 147 04/17 15Z 51 30 87 2 0.00 0.00 554 568 7.2 -16.2 1017.1 5 CLR CLR 301FEW312 52 47 15.0 0.0 0.248 11.4 150 04/17 18Z 61 31 310 5 0.00 0.00 554 569 6.4 -15.8 1017.8 9 CLR CLR 293FEW323 62 47 15.0 0.0 0.299 10.6 153 04/17 21Z 64 37 276 9 0.00 0.00 555 569 6.4 -15.6 1017.1 24 CLR 214FEW240 281FEW329 65 61 15.0 0.0 0.338 12.1 156 04/18 00Z 60 45 271 9 0.00 0.00 555 569 7.5 -15.1 1016.4 61 CLR 209FEW230 262BKN359 66 59 15.0 0.0 0.379 12.1 159 04/18 03Z 52 45 265 5 0.00 0.00 555 569 8.4 -15.1 1017.0 98 CLR 194BKN241 249BKN311 59 52 15.0 0.0 0.416 11.4 162 04/18 06Z 50 45 232 5 0.00 0.00 555 569 8.4 -14.6 1017.5 59 CLR 196SCT241 252BKN310 59 50 15.0 0.0 0.504 10.7 165 04/18 09Z 50 46 203 5 0.00 0.00 555 569 8.5 -14.7 1017.0 8 CLR CLR 333FEW362 50 49 15.0 0.0 0.563 8.8 168 04/18 12Z 49 46 166 5 0.00 0.00 554 568 8.4 -15.4 1016.6 15 016FEW020 CLR 326FEW356 50 49 15.0 0.0 0.578 9.6