condition mean min max 4 h after light 2.541395 1.9963 3.08649 8 h after light 3.5825950000000004 2.10915 5.05604 12 h after light 1.7579250000000002 1.36521 2.15064 4 h after dark 1.6394443333333335 0.867353 2.2299 8 h after dark 1.62867 1.02903 2.70092 12 h after dark 3.14315 1.43679 5.3462