condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0299787 0.0 0.0599574 12 h after light 0.0194274 0.0 0.0388548 4 h after dark 0.020571133333333335 0.0 0.0617134 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0