condition mean min max 4 h after light 3035.0 3035.0 3035.0 8 h after light 2825.95 2744.4 2907.5 12 h after light 3210.9 2729.3 3692.5 4 h after dark 3065.35 2323.7 3807.0 8 h after dark 2857.1499999999996 2596.7 3117.6 12 h after dark 3359.3 3303.2 3415.4