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 0.009395025 0.0 0.0375801 3 h after dark 0.0 0.0 0.0 6 h after dark 0.013422033333333333 0.0 0.0402661 9 h after dark 0.014149066666666666 0.0 0.0424472 12 h after dark 0.01796985 0.0 0.0359397