condition mean min max 3 h after light 0.028265433333333336 0.0 0.0847963 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.015275666666666667 0.0 0.045827 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0