condition	mean	min	max
4 h after light	2.1716949999999997	1.89953	2.44386
8 h after light	8.419345	8.15963	8.67906
12 h after light	6.0133399999999995	4.6511	7.37558
4 h after dark	5.99085	5.64639	6.33531
8 h after dark	2.71284	2.13606	3.28962
12 h after dark	2.41098	2.36365	2.45831