condition	mean	min	max
4 h after light	4.49348	4.3794900000000005	4.616230000000001
8 h after light	4.416899999999999	4.317769999999999	4.552169999999999
12 h after light	4.38588	4.28927	4.4913
4 h after dark	4.426163333333333	4.38952	4.465269999999999
8 h after dark	4.442073333333333	4.31004	4.55359
12 h after dark	4.545356666666667	4.31145	4.83617