condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.015379983333333333 0.0 0.0922799 10 h after light 0.018844166666666665 0.0 0.113065 14 h after light 0.0 0.0 0.0 18 h after light 0.014861383333333334 0.0 0.0891683 2 h after dark 0.0 0.0 0.0