condition mean min max 4 h after light 3062.8 3062.8 3062.8 8 h after light 2450.25 2392.7 2507.8 12 h after light 1623.75 630.1 2617.4 4 h after dark 1130.75 524.2 1737.3 8 h after dark 1321.1 724.7 1917.5 12 h after dark 760.0999999999999 758.4 761.8