condition	mean	min	max
4 h after light	3.60193	3.4276199999999997	3.842715
8 h after light	2.4858623333333334	1.6566330000000002	2.940109
12 h after light	2.176126	1.499714	3.260177
16 h after light	3.4375866666666663	2.906948	4.024717
4 h after dark	4.360109333333333	4.119056	4.619973
8 h after dark	3.234867	2.068938	4.8890199999999995