condition	mean	min	max
4 h after light	17.2127	15.7996	18.6258
8 h after light	18.281	18.2343	18.3277
12 h after light	15.2613	15.1155	15.4071
4 h after dark	17.497	16.4966	18.4974
8 h after dark	15.376249999999999	15.2541	15.4984
12 h after dark	18.2132	16.9712	19.4552