condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.2691725 0.0 0.538345 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.2974775 0.0 0.594955 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.340899 0.0 0.681798