condition	mean	min	max
0 h after light	4.033675000000001	3.73895	4.3284
4 h after light	6.023535000000001	5.78455	6.26252
8 h after light	5.5210550000000005	4.82513	6.21698
4 h after dark	6.208565	6.02475	6.39238
8 h after dark	6.02804	5.03811	7.01797
12 h after dark	4.9336850000000005	4.63764	5.22973