condition	mean	min	max
4 h after light	8.944920499999998	8.507971	9.38187
8 h after light	8.449601999999999	8.378803	8.520401
12 h after light	7.247567	6.59955	7.895584
4 h after dark	8.557046	8.019769	9.094323
8 h after dark	7.832955500000001	7.646142	8.019769
12 h after dark	7.910801	7.910801	7.910801