condition mean min max 2 h after light 0.12940043333333334 0.0 0.310299 6 h after light 0.681814 0.167261 2.35562 10 h after light 1.0320275 0.386471 1.85557 14 h after light 1.1207878333333332 0.279741 3.16653 18 h after light 0.7615176666666666 0.1868 2.61093 2 h after dark 1.053881 0.193326 2.21334