condition	mean	min	max
4 h after light	4.89482	4.74129	5.04835
8 h after light	5.08748	4.59489	5.58007
12 h after light	6.32365	6.15131	6.49599
4 h after dark	7.06833	7.00786	7.1288
8 h after dark	6.414245	6.12621	6.70228
12 h after dark	6.2370149999999995	5.92234	6.55169