Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 0Z 9APR 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 04/09 00Z 62 55 287 8 0.00 0.00 558 570 11.8 -16.7 1014.6 6 000FEW000 CLR CLR **** **** 13.4 0.0 0.989 15.9 3 04/09 03Z 56 54 278 4 0.00 0.00 557 569 11.8 -17.1 1014.7 4 108FEW114 CLR CLR 62 55 14.0 0.0 0.964 15.3 6 04/09 06Z 54 53 244 3 0.00 0.00 556 569 10.9 -17.4 1015.8 5 061FEW068 CLR CLR 62 54 13.5 0.0 0.918 13.8 9 04/09 09Z 54 53 217 1 0.00 0.00 555 568 10.0 -17.3 1015.6 34 004SCT011 CLR 335FEW347 54 54 14.0 0.0 0.895 12.6 12 04/09 12Z 55 53 147 0 0.00 0.00 554 566 9.4 -17.4 1014.5 59 000SCT012 CLR 294SCT383 55 54 15.0 0.0 0.872 12.5 15 04/09 15Z 56 54 124 0 0.00 0.00 553 565 9.0 -17.6 1014.4 100 000BKN011 CLR 255OVC370 56 55 15.0 0.0 0.856 12.4 18 04/09 18Z 64 54 257 3 0.00 0.00 553 565 8.4 -18.1 1014.4 100 000SCT011 CLR 267OVC355 64 54 15.0 0.0 0.857 12.2 21 04/09 21Z 67 53 279 11 0.00 0.00 553 565 8.1 -18.1 1013.7 90 CLR CLR 297BKN335 67 64 15.0 0.0 0.896 12.5 24 04/10 00Z 65 54 271 11 0.00 0.00 553 563 8.9 -18.5 1012.2 68 095FEW103 CLR 296BKN339 67 63 15.0 0.0 0.868 12.2 27 04/10 03Z 58 55 263 6 0.00 0.00 552 562 7.9 -18.6 1012.3 9 076FEW087 CLR 306FEW319 64 58 15.1 0.0 0.862 11.0 30 04/10 06Z 56 53 251 3 0.00 0.00 550 561 6.3 -19.0 1013.0 18 038FEW047 CLR 305FEW319 64 56 15.1 0.0 0.894 10.0 33 04/10 09Z 56 54 127 1 0.01 0.01 549 560 5.8 -20.0 1012.4 86 -RA 018BKN101 118FEW131 CLR 58 56 15.0 0.0 0.792 10.0 36 04/10 12Z 54 52 166 3 0.02 0.02 548 558 5.2 -20.8 1011.7 46 -RA 020SCT100 118FEW131 CLR 58 54 14.9 0.0 0.812 10.0 39 04/10 15Z 55 53 148 4 0.02 0.02 547 557 5.3 -21.5 1011.9 19 -TSRA 068FEW082 124FEW135 CLR 56 53 13.8 0.0 0.854 9.9 42 04/10 18Z 60 53 211 5 0.09 0.09 546 556 5.4 -22.9 1011.5 30 -TSRA 070FEW087 120FEW143 243FEW284 60 53 3.8 0.0 0.890 10.0 45 04/10 21Z 64 50 217 11 0.09 0.09 547 556 4.7 -22.0 1010.7 17 -TSRA 072FEW086 134FEW158 262FEW281 64 60 10.7 0.0 0.746 10.8 48 04/11 00Z 61 49 223 13 0.01 0.01 547 555 5.5 -22.1 1009.6 47 -TSRA 069FEW089 185FEW206 238SCT293 64 60 15.0 0.0 0.780 10.2 51 04/11 03Z 56 51 190 9 0.00 0.00 546 555 5.0 -22.4 1009.9 85 073FEW100 205SCT235 235BKN290 61 56 15.2 0.0 0.822 8.8 54 04/11 06Z 56 51 188 10 0.00 0.00 546 554 4.6 -22.4 1010.2 90 -RA 028FEW041 152SCT233 237BKN285 61 56 8.6 0.0 0.873 8.5 57 04/11 09Z 54 51 201 7 0.03 0.03 546 554 4.0 -21.5 1010.5 71 -TSRA 032SCT062 118SCT187 CLR 56 54 14.3 0.0 0.814 8.0 60 04/11 12Z 53 50 195 8 0.02 0.02 546 554 3.6 -20.8 1010.1 59 -TSRA 027SCT054 124SCT188 CLR 56 53 14.9 0.0 0.783 7.7 63 04/11 15Z 54 49 168 8 0.01 0.01 545 553 2.9 -21.3 1010.2 99 -RA 044SCT091 140OVC178 308FEW320 54 52 13.1 0.0 0.778 7.5 66 04/11 18Z 58 49 181 17 0.05 0.05 544 552 2.9 -21.9 1009.6 100 -TSRA 036BKN099 136OVC179 300FEW314 58 52 8.3 0.0 0.794 8.4 69 04/11 21Z 60 46 195 20 0.03 0.03 543 550 3.1 -22.8 1007.5 98 -TSRA 044BKN093 123BKN174 234FEW252 60 58 14.7 0.0 0.689 8.9 72 04/12 00Z 48 44 291 16 0.23 0.05 540 546 0.2 -24.6 1007.6 99 -TSRA 032BKN105 121BKN172 232SCT265 60 48 2.0 0.0 0.733 3.7 75 04/12 03Z 51 44 208 11 0.20 0.03 537 544 1.2 -24.9 1007.6 100 -TSRA 009BKN107 121OVC232 232BKN253 51 47 15.1 0.0 0.549 5.6 78 04/12 06Z 50 44 224 13 0.02 0.02 536 543 0.6 -28.5 1007.9 100 -TSRA 013SCT105 138OVC230 230BKN249 51 47 6.1 0.0 0.561 5.9 81 04/12 09Z 49 44 227 11 0.09 0.09 535 542 0.1 -29.2 1009.2 100 -TSRA 050FEW077 169OVC224 CLR 50 49 4.9 0.0 0.578 5.0 84 04/12 12Z 48 43 179 8 0.10 0.10 535 543 -0.4 -28.5 1009.8 87 -TSRA 051FEW083 174BKN223 230FEW247 50 48 12.4 0.0 0.530 5.3 87 04/12 15Z 49 44 171 11 0.07 0.06 535 544 -0.4 -28.6 1010.8 100 -TSRA 051BKN083 151OVC230 230BKN253 49 47 5.6 0.0 0.609 4.7 90 04/12 18Z 48 45 177 7 0.31 0.08 535 546 -0.4 -28.8 1013.1 100 -TSRA 021BKN102 133OVC231 231OVC254 50 47 6.5 0.0 0.599 3.5 93 04/12 21Z 54 44 235 7 0.04 0.02 536 546 -0.1 -28.9 1012.8 100 -TSRA 006BKN084 185OVC229 231BKN253 54 48 9.4 0.0 0.523 5.2 96 04/13 00Z 54 41 287 10 0.02 0.02 535 546 0.1 -28.8 1013.0 78 -TSRA 012BKN077 189BKN229 231BKN253 55 48 14.9 0.0 0.525 5.3 99 04/13 03Z 49 41 290 6 0.01 0.01 534 546 0.1 -30.0 1014.6 18 048FEW067 138FEW183 CLR 54 49 12.4 0.0 0.541 4.9 102 04/13 06Z 47 41 301 2 0.00 0.00 536 549 -0.2 -28.3 1016.0 23 063FEW090 152FEW184 CLR 54 47 15.0 0.0 0.512 4.5 105 04/13 09Z 46 41 131 1 0.00 0.00 538 552 0.2 -26.7 1016.8 6 046FEW069 CLR CLR 47 46 15.0 0.0 0.481 4.3 108 04/13 12Z 45 41 56 3 0.00 0.00 540 554 0.4 -23.3 1017.9 21 044FEW058 216FEW234 245FEW281 47 45 15.0 0.0 0.480 4.0 111 04/13 15Z 47 41 104 2 0.00 0.00 541 557 1.3 -23.1 1019.9 45 CLR 188SCT233 238SCT297 47 43 15.0 0.0 0.461 4.5 114 04/13 18Z 54 42 278 3 0.00 0.00 543 561 1.5 -21.4 1021.3 30 CLR 187FEW232 240SCT299 54 43 15.0 0.0 0.490 5.2 117 04/13 21Z 58 41 295 8 0.00 0.00 546 563 1.9 -19.6 1021.0 0 CLR CLR CLR 58 54 15.0 0.0 0.501 7.0 120 04/14 00Z 57 43 286 11 0.00 0.00 548 565 2.8 -19.0 1020.4 0 CLR CLR CLR 59 54 15.0 0.0 0.519 7.5 123 04/14 03Z 51 46 290 8 0.00 0.00 548 566 3.3 -19.5 1021.0 0 CLR CLR CLR 57 51 15.0 0.0 0.540 7.9 126 04/14 06Z 50 47 263 5 0.00 0.00 549 567 3.4 -17.4 1021.7 0 CLR CLR CLR 57 50 15.0 0.0 0.532 7.8 129 04/14 09Z 50 46 266 6 0.00 0.00 549 567 3.6 -15.2 1021.8 15 FEW CLR 286FEW312 50 49 15.0 0.0 0.524 7.1 132 04/14 12Z 48 45 276 4 0.00 0.00 550 568 4.5 -15.1 1021.4 39 013FEW015 CLR 260SCT317 50 48 15.0 0.0 0.545 6.8 135 04/14 15Z 51 45 270 5 0.00 0.00 551 569 4.0 -15.3 1022.0 49 013SCT020 231FEW240 294SCT377 51 48 15.0 0.0 0.570 5.5 138 04/14 18Z 54 44 260 8 0.00 0.00 552 570 4.2 -15.5 1022.5 52 016SCT023 CLR 297SCT375 55 48 15.0 0.0 0.567 4.8 141 04/14 21Z 57 44 266 9 0.00 0.00 553 571 5.1 -15.1 1021.7 26 026FEW033 CLR 352FEW390 57 55 15.0 0.0 0.520 5.9 144 04/15 00Z 56 45 271 9 0.00 0.00 554 571 6.2 -14.5 1020.1 18 026FEW032 CLR 353FEW396 57 55 15.0 0.0 0.502 7.8 147 04/15 03Z 50 45 271 6 0.00 0.00 554 571 6.2 -14.7 1020.4 65 CLR CLR 299BKN381 56 50 15.0 0.0 0.574 7.8 150 04/15 06Z 48 44 203 2 0.00 0.00 555 572 6.8 -15.2 1020.2 41 CLR CLR 301SCT378 56 48 15.0 0.0 0.613 9.2 153 04/15 09Z 48 44 176 3 0.00 0.00 555 571 6.9 -14.8 1018.8 41 CLR CLR 295SCT342 49 48 15.0 0.0 0.689 9.5 156 04/15 12Z 48 45 162 5 0.00 0.00 555 570 7.2 -14.7 1018.0 48 CLR CLR 281SCT321 49 48 15.0 0.0 0.715 10.2 159 04/15 15Z 50 45 156 3 0.00 0.00 555 570 7.3 -14.6 1017.9 93 CLR 232FEW241 352BKN416 50 47 15.0 0.0 0.727 10.2 162 04/15 18Z 59 46 236 1 0.00 0.00 556 570 8.1 -15.3 1017.8 96 CLR 227FEW236 336BKN428 59 47 15.0 0.0 0.760 10.4 165 04/15 21Z 63 47 288 6 0.00 0.00 556 570 8.5 -15.4 1016.4 100 CLR 205FEW224 290OVC438 63 59 15.0 0.0 0.807 11.5 168 04/16 00Z 59 47 291 9 0.00 0.00 557 569 8.9 -16.5 1015.2 100 CLR 185SCT237 275OVC438 64 57 15.0 0.0 0.833 12.3