condition mean min max 4 h after light 2758.5 2758.5 2758.5 8 h after light 2993.6499999999996 2759.1 3228.2 12 h after light 2747.2 2690.2 2804.2 4 h after dark 2587.9 2446.4 2729.4 8 h after dark 2382.85 1939.7 2826.0 12 h after dark 2247.4 2170.3 2324.5