condition mean min max 4 h after light 3.15272 1.73495 4.44499 8 h after light 2.1310993333333332 0.547748 3.78456 12 h after light 2.3202133333333332 1.50418 3.2985 4 h after dark 3.0101 2.43526 3.76911 8 h after dark 2.07236 0.88156 2.87705 12 h after dark 3.7312 2.71543 5.01598