condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.237795 0.0 1.42677 14 h after light 0.0 0.0 0.0 18 h after light 0.28499583333333334 0.0 0.904057 2 h after dark 0.0 0.0 0.0