condition	mean	min	max
4 h after light	1.8705399999999999	1.53748	2.2036
8 h after light	2.439435	2.28372	2.59515
12 h after light	2.29146	1.79378	2.78914
4 h after dark	4.537825	4.42158	4.65407
8 h after dark	2.8914350000000004	2.48037	3.3025
12 h after dark	2.520345	2.27076	2.76993