condition mean min max 0 h after light 0.45384650000000004 0.453442 0.454251 4 h after light 1.3561640000000001 0.924048 1.78828 8 h after light 0.455094 0.448611 0.461577 4 h after dark 1.563964 0.445338 2.68259 8 h after dark 0.446584 0.0 0.893168 12 h after dark 0.447901 0.442969 0.452833