condition mean min max 4 h after light 2717.5 2717.5 2717.5 8 h after light 2945.3999999999996 2438.1 3452.7 12 h after light 2406.45 2176.0 2636.9 4 h after dark 1778.5 1397.4 2159.6 8 h after dark 1653.7 1605.5 1701.9 12 h after dark 2331.8 2077.4 2586.2