condition mean min max 4 h after light 3600.1 3600.1 3600.1 8 h after light 3672.3999999999996 3567.2 3777.6 12 h after light 3584.4 3495.3 3673.5 4 h after dark 5639.6 4404.6 6874.6 8 h after dark 6684.5 6439.3 6929.7 12 h after dark 6224.3 5638.5 6810.1