condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.03028373333333333 0.0 0.0908512 9 h after dark 0.0 0.0 0.0 12 h after dark 0.02027245 0.0 0.0405449