condition	mean	min	max
4 h after light	2.1840900000000003	2.04694	2.32124
8 h after light	4.733305	4.6436	4.82301
12 h after light	7.320385	7.11806	7.52271
4 h after dark	4.257555	3.74303	4.77208
8 h after dark	2.6379099999999998	2.46221	2.81361
12 h after dark	2.19451	2.14308	2.24594