condition	mean	min	max
0 h after light	5.4596800000000005	4.65854	6.26082
4 h after light	5.48358	4.60858	6.35858
8 h after light	4.8889	4.54824	5.22956
4 h after dark	6.33808	5.38115	7.29501
8 h after dark	5.43203	5.42872	5.43534
12 h after dark	5.287045	4.71883	5.85526