condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.04129733333333333 0.0 0.123892 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0