condition mean min max 4 h after light 1358.406873 1053.616672 1663.197074 8 h after light 2811.6154815 2710.172664 2913.058299 12 h after light 2512.332342 1836.536704 3188.12798 4 h after dark 1537.252042 905.969554 2168.53453 8 h after dark 731.4243644999999 675.385903 787.462826 12 h after dark 306.711465 306.711465 306.711465