condition	mean	min	max
4 h after light	4.696025000000001	3.84211	5.54994
8 h after light	3.6684900000000003	3.4446	3.89238
12 h after light	3.385355	3.08095	3.68976
4 h after dark	5.43401	4.8935	5.76802
8 h after dark	6.028903333333333	5.5001	6.35671
12 h after dark	5.52666	4.82343	6.11209