condition	mean	min	max
4 h after light	7.356847999999999	7.01017	7.703526
8 h after light	7.237038	6.603356	7.87072
12 h after light	7.0839805	6.80593	7.362031
4 h after dark	7.6644334999999995	7.49916	7.829707
8 h after dark	7.1336604999999995	7.015129	7.252192
12 h after dark	6.642685	6.642685	6.642685