condition	mean	min	max
4 h after light	5.934595	5.34107	6.52812
8 h after light	6.2535799999999995	5.02466	7.4825
12 h after light	8.19561	7.57651	8.81471
4 h after dark	8.71063	7.80188	10.3685
8 h after dark	6.613043333333334	6.31025	6.78852
12 h after dark	7.21296	6.60328	7.78942