condition	mean	min	max
4 h after light	9.04522	8.46798	9.62246
8 h after light	15.57235	15.2052	15.9395
12 h after light	10.895150000000001	10.8585	10.9318
4 h after dark	17.883850000000002	16.3045	19.4632
8 h after dark	16.8607	16.3196	17.4018
12 h after dark	13.0976	12.8097	13.3855