condition mean min max 0 h after light 2.1959850000000003 2.14596 2.24601 2 h after light 2.19304 2.09697 2.28911 4 h after light 2.0864149999999997 1.83086 2.34197 8 h after light 2.2529649999999997 2.24868 2.25725 12 h after light 4.42119 4.01126 4.83112 2 h after dark 3.99531 3.98115 4.00947 4 h after dark 3.623675 3.32299 3.92436 8 h after dark 3.5257050000000003 3.3191 3.73231 12 h after dark 2.762915 2.60885 2.91698