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 0.034152 0.0 0.204912 14 h after light 0.04624233333333333 0.0 0.277454 18 h after light 0.03319983333333333 0.0 0.199199 2 h after dark 0.0 0.0 0.0