condition	mean	min	max
4 h after light	6.81971	4.07561	9.07926
8 h after light	5.82414	1.96049	9.93234
12 h after light	4.419193333333333	2.14504	6.91621
4 h after dark	5.31925	4.02357	6.77358
8 h after dark	3.44012	3.35183	3.58224
12 h after dark	3.3014366666666666	2.95826	3.80751