condition	mean	min	max
4 h after light	11.41635	10.6482	12.1845
8 h after light	6.404859999999999	5.51901	7.29071
12 h after light	5.287215	4.98853	5.5859
4 h after dark	5.355845	5.31741	5.39428
8 h after dark	6.16165	6.08037	6.24293
12 h after dark	8.474445	7.79087	9.15802