condition	mean	min	max
4 h after light	5.692855	5.02042	6.36529
8 h after light	3.96466	3.38962	4.5397
12 h after light	2.983205	2.56258	3.40383
4 h after dark	4.454435	4.42247	4.4864
8 h after dark	5.174625000000001	5.07716	5.27209
12 h after dark	5.58048	5.21042	5.95054