condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.06572195 0.0646408 0.0668031 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0