condition mean min max 4 h after light 2576.0 2576.0 2576.0 8 h after light 3289.95 2557.8 4022.1 12 h after light 3735.35 3448.5 4022.2 4 h after dark 3488.45 2738.4 4238.5 8 h after dark 2036.3000000000002 1100.7 2971.9 12 h after dark 1349.6999999999998 1027.1 1672.3