condition	mean	min	max
4 h after light	7.298206666666666	7.12412	7.44935
8 h after light	7.27415	7.12245	7.352580000000001
12 h after light	7.294573333333333	7.090089999999999	7.41012
4 h after dark	7.375570000000001	7.24608	7.451980000000001
8 h after dark	7.26422	7.207210000000001	7.308489999999999
12 h after dark	7.31986	7.2279	7.48313