condition mean min max 4 h after light 3608.7 3608.7 3608.7 8 h after light 3121.3999999999996 3092.2 3150.6 12 h after light 2408.8 1624.2 3193.4 4 h after dark 2505.9 1820.2 3191.6 8 h after dark 2869.05 2457.6 3280.5 12 h after dark 2396.3 2321.0 2471.6