condition	mean	min	max
4 h after light	7.938760500000001	7.672047	8.205474
8 h after light	8.132735499999999	8.015658	8.249813
12 h after light	7.4826125	6.937451	8.027774
4 h after dark	7.946894	7.884896	8.008892
8 h after dark	7.4601275000000005	7.390723	7.529532
12 h after dark	8.446746	8.446746	8.446746