condition	mean	min	max
4 h after light	5.074033333333333	4.98682	5.1310400000000005
8 h after light	5.007376666666667	4.89889	5.1039900000000005
12 h after light	4.818833333333333	4.735469999999999	4.907019999999999
4 h after dark	4.756036666666667	4.71967	4.81694
8 h after dark	4.765680000000001	4.66371	4.84595
12 h after dark	4.79876	4.77801	4.82795