condition	mean	min	max
4 h after light	7.6255489999999995	7.131839	8.119259
8 h after light	7.2779905	7.19395	7.362031
12 h after light	8.085245	8.051231	8.119259
4 h after dark	7.3216090000000005	7.155016	7.488202
8 h after dark	7.997959999999999	6.785785	9.210135
12 h after dark	7.366825	7.366825	7.366825