condition mean min max 4 h after light 626.629906 439.64408 813.615732 8 h after light 123.1654605 123.15831 123.172611 12 h after light 213.55989 123.232057 303.887723 4 h after dark 50.7253475 41.114739 60.335956 8 h after dark 54.169000999999994 48.220183 60.117819 12 h after dark 1274.782724 1274.782724 1274.782724