condition	mean	min	max
4 h after light	7.0782050000000005	6.79441	7.362
8 h after light	7.810644999999999	7.50397	8.11732
12 h after light	7.064355	6.96144	7.16727
4 h after dark	9.997205000000001	9.79311	10.2013
8 h after dark	7.974755	7.71968	8.22983
12 h after dark	8.128125	8.04825	8.208