condition	mean	min	max
4 h after light	8.157825	7.70858	8.60707
8 h after light	8.143650000000001	7.90188	8.38542
12 h after light	6.54479	6.49277	6.59681
4 h after dark	8.663845	7.98248	9.34521
8 h after dark	9.628405	9.05771	10.1991
12 h after dark	9.791229999999999	9.45806	10.1244