condition	mean	min	max
4 h after light	2.763065	2.57795	2.94818
8 h after light	2.998345	2.86748	3.12921
12 h after light	2.6297949999999997	2.33473	2.92486
4 h after dark	3.425695	3.40111	3.45028
8 h after dark	3.931995	3.71664	4.14735
12 h after dark	2.8081199999999997	2.75933	2.85691