condition	mean	min	max
0 h after light	7.4724450000000004	6.87645	8.06844
4 h after light	6.952195	6.17406	7.73033
8 h after light	6.45155	5.51632	7.38678
4 h after dark	5.92483	5.6995	6.15016
8 h after dark	12.2686	11.9789	12.5583
12 h after dark	7.13325	6.85498	7.41152