Station ID: KOAK Lat: 37.71 Long: -122.23 NAM Model Run: 0Z 13DEC 2025 Cloud base 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 Tot Snowfall Vis Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds in SM 0 12/13 00Z 51 44 49 6 0.00 0.00 568 581 19.8 -12.1 1016 0 CLR 0.0 15.0 3 12/13 03Z 44 42 59 8 0.00 0.00 567 581 19.4 -12.5 1016 0 CLR 0.0 15.0 6 12/13 06Z 42 41 62 6 0.00 0.00 567 581 18.5 -12.7 1017 2 210FEW213 0.0 10.4 9 12/13 09Z 40 39 65 6 0.00 0.00 567 580 17.9 -12.9 1016 93 000BKN003 0.0 -0.9 12 12/13 12Z 40 39 64 6 0.00 0.00 566 579 17.2 -13.2 1016 99 000OVC003 0.0 -0.8 15 12/13 15Z 40 39 61 5 0.00 0.00 565 578 16.3 -13.5 1016 100 000OVC003 0.0 -0.8 18 12/13 18Z 44 42 59 4 0.00 0.00 564 578 15.8 -14.0 1017 100 000OVC003 0.0 2.7 21 12/13 21Z 59 46 37 4 0.00 0.00 563 577 15.8 -14.7 1016 11 000FEW000 0.0 14.1 24 12/14 00Z 58 47 25 4 0.00 0.00 563 576 16.2 -14.9 1015 7 000FEW000 0.0 14.7 27 12/14 03Z 53 48 56 3 0.00 0.00 562 576 16.2 -15.2 1016 1 CLR 0.0 15.1 30 12/14 06Z 49 48 105 1 0.00 0.00 562 576 16.0 -15.1 1017 2 237FEW241 0.0 13.8 33 12/14 09Z 46 46 225 1 0.00 0.00 561 576 15.1 -15.0 1018 55 000BKN000 0.0 -0.2 36 12/14 12Z 44 43 109 2 0.00 0.00 561 577 15.2 -14.6 1018 78 000BKN005 0.0 -0.2 39 12/14 15Z 44 43 52 0 0.00 0.00 562 577 14.9 -14.3 1019 100 000OVC006 0.0 -0.2 42 12/14 18Z 45 44 102 0 0.00 0.00 562 579 14.9 -13.8 1020 100 000OVC007 0.0 -0.2 45 12/14 21Z 49 47 346 1 0.00 0.00 563 579 15.1 -13.0 1020 99 192OVC213 0.0 11.4 48 12/15 00Z 52 48 301 2 0.00 0.00 563 580 15.0 -12.4 1019 86 000BKN100 0.0 12.5 51 12/15 03Z 47 47 273 2 0.00 0.00 563 581 14.9 -11.8 1021 66 128BKN047 0.0 1.8 54 12/15 06Z 45 44 267 2 0.00 0.00 563 581 14.7 -12.4 1023 85 000BKN081 0.0 -1.9 57 12/15 09Z 45 44 205 1 0.00 0.00 563 582 14.8 -12.3 1023 100 000OVC342 0.0 -0.9 60 12/15 12Z 44 43 256 1 0.00 0.00 563 583 14.3 -11.9 1024 100 000OVC007 0.0 -0.2 63 12/15 15Z 44 43 151 1 0.00 0.00 564 584 14.2 -12.1 1024 100 000OVC272 0.0 -0.2 66 12/15 18Z 45 44 257 1 0.00 0.00 564 585 13.8 -11.2 1026 100 000OVC121 0.0 -1.0 69 12/15 21Z 53 47 283 2 0.00 0.00 564 585 12.9 -11.8 1025 80 000BKN082 0.0 13.0 72 12/16 00Z 54 48 257 3 0.00 0.00 564 585 12.1 -12.0 1024 56 000BKN013 0.0 13.0 75 12/16 03Z 50 49 232 3 0.00 0.00 564 585 12.2 -11.9 1025 47 000SCT011 0.0 7.5 78 12/16 06Z 52 51 190 2 0.00 0.00 564 585 12.2 -11.5 1025 75 000BKN011 0.0 3.6 81 12/16 09Z 52 52 249 2 0.00 0.00 564 585 12.4 -11.7 1024 100 000OVC015 0.0 3.9 84 12/16 12Z 53 52 228 2 0.00 0.00 564 584 11.8 -10.7 1024 100 000OVC018 0.0 3.2