condition	mean	min	max
4 h after light	6.33681	6.1900699999999995	6.4138
8 h after light	6.669603333333334	6.44057	6.929060000000001
12 h after light	6.290076666666667	6.14575	6.49153
4 h after dark	6.19377	6.09771	6.33661
8 h after dark	6.31349	6.21539	6.36391
12 h after dark	6.07802	5.99102	6.12211