condition	mean	min	max
4 h after light	4.023485	3.97759	4.06938
8 h after light	2.530755	2.10897	2.95254
12 h after light	4.225865000000001	4.14688	4.30485
4 h after dark	6.63467	5.91513	7.35421
8 h after dark	5.294555	5.16631	5.4228
12 h after dark	4.43671	4.364	4.50942