condition mean min max 4 h after light 2437.1 2437.1 2437.1 8 h after light 2728.75 2702.5 2755.0 12 h after light 2476.2 2106.9 2845.5 4 h after dark 1940.1 1780.6 2099.6 8 h after dark 1872.1999999999998 1804.1 1940.3 12 h after dark 2043.3999999999999 1877.1 2209.7