condition mean min max 2 h after light 0.21815416666666668 0.0 0.668427 6 h after light 0.314317 0.0 0.690695 10 h after light 0.1630955 0.0 0.978573 14 h after light 0.09903266666666666 0.0 0.594196 18 h after light 0.3122645 0.0 0.700777 2 h after dark 0.4185568333333333 0.0 1.71324