condition	mean	min	max
0 h after light	10.238805	9.41971	11.0579
4 h after light	3.3808949999999998	2.68265	4.07914
8 h after light	4.191725	4.01879	4.36466
4 h after dark	8.10581	8.05281	8.15881
8 h after dark	8.81444	8.44225	9.18663
12 h after dark	7.65825	7.12815	8.18835