condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0154695 0.0 0.061878 3 h after dark 0.07414226666666666 0.0 0.136547 6 h after dark 0.05898133333333333 0.0 0.176944 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0