condition	mean	min	max
4 h after light	2.810525	2.76079	2.86026
8 h after light	3.6973599999999998	3.48033	3.91439
12 h after light	4.12224	3.46378	4.7807
4 h after dark	7.446065	7.23348	7.65865
8 h after dark	4.248735	4.15111	4.34636
12 h after dark	3.957675	3.79228	4.12307