condition mean min max 2 h after light 0.019773166666666665 0.0 0.118639 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0150908 0.0 0.0905448 2 h after dark 0.0205035 0.0 0.123021