condition	mean	min	max
4 h after light	3.45633	2.7858	4.12686
8 h after light	2.128345	1.9581	2.29859
12 h after light	1.9632399999999999	1.81425	2.11223
4 h after dark	2.0774933333333334	1.79891	2.37808
8 h after dark	2.580846666666667	2.41089	2.69715
12 h after dark	3.41324	2.94545	3.69605