condition	mean	min	max
4 h after light	2.389455	2.11893	2.65998
8 h after light	2.773305	2.72372	2.82289
12 h after light	4.240785000000001	3.88471	4.59686
4 h after dark	4.7755	4.01022	5.54078
8 h after dark	3.12783	3.06892	3.18674
12 h after dark	3.1380049999999997	3.01488	3.26113