condition mean min max 2 h after light 0.019699833333333333 0.0 0.118199 6 h after light 0.041884816666666665 0.0 0.17225 10 h after light 0.05060485 0.0 0.135244 14 h after light 0.031002666666666664 0.0 0.186016 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0