condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03243173333333333 0.0 0.0972952 12 h after light 0.021315700000000003 0.0 0.0639471 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.027629333333333336 0.0 0.082888