condition	mean	min	max
4 h after light	5.81346	5.23878	6.38814
8 h after light	5.87084	5.06817	6.67351
12 h after light	6.23422	6.08942	6.37902
4 h after dark	6.6926000000000005	6.50696	6.87824
8 h after dark	5.862885	5.74844	5.97733
12 h after dark	6.851470000000001	6.48514	7.2178