condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06365166666666668 0.0 0.190955 12 h after light 0.017590833333333333 0.0 0.0527725 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0