condition	mean	min	max
4 h after light	3.666225	3.55797	3.77448
8 h after light	6.84178	5.42675	8.25681
12 h after light	5.882255	5.69569	6.06882
4 h after dark	6.906105	6.69215	7.12006
8 h after dark	4.417965000000001	4.37807	4.45786
12 h after dark	5.41603	5.35618	5.47588