condition	mean	min	max
4 h after light	4.239704333333333	3.32934	5.300007
8 h after light	2.827726333333333	2.317175	3.324581
12 h after light	1.5827303333333334	1.4870510000000001	1.7008830000000001
16 h after light	4.300510333333333	2.627776	5.649528
4 h after dark	6.963663	4.6476489999999995	10.216660000000001
8 h after dark	1.942735	1.725931	2.337134