condition	mean	min	max
3 h after light	12.8431	10.4616	14.5808
6 h after light	6.104926666666667	5.57349	6.83375
9 h after light	5.10288	3.97511	6.20416
12 h after light	6.5062675	5.23034	9.30584
3 h after dark	5.751473333333333	4.62921	6.72218
6 h after dark	6.9984633333333335	6.44253	7.28648
9 h after dark	6.78282	5.73852	8.19933
12 h after dark	8.61507	7.87277	9.35737