condition mean min max 4 h after light 3433.6 3433.6 3433.6 8 h after light 3442.75 2844.1 4041.4 12 h after light 2777.55 2597.1 2958.0 4 h after dark 2128.6 1452.0 2805.2 8 h after dark 2582.8999999999996 1854.1 3311.7 12 h after dark 3912.45 3817.5 4007.4