condition mean min max 4 h after light 2821.7 2821.7 2821.7 8 h after light 2713.8 2528.3 2899.3 12 h after light 2982.3999999999996 2664.2 3300.6 4 h after dark 2763.4 2634.4 2892.4 8 h after dark 2552.45 2300.9 2804.0 12 h after dark 2801.4 2763.3 2839.5