condition	mean	min	max
4 h after light	8.761434999999999	8.69585	8.82702
8 h after light	10.315100000000001	10.1251	10.5051
12 h after light	20.26245	19.222	21.3029
4 h after dark	27.2275	27.0646	27.3904
8 h after dark	27.681350000000002	27.1289	28.2338
12 h after dark	21.919449999999998	21.7887	22.0502