condition mean min max 4 h after light 0.123819 0.0 0.247638 8 h after light 0.02006365 0.0 0.0401273 12 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 0.02113325 0.0 0.0422665