condition	mean	min	max
4 h after light	34.2	34.2	34.2
8 h after light	39.65	22.9	56.4
12 h after light	37.45	37.2	37.7
4 h after dark	12.35	6.5	18.2
8 h after dark	40.7	36.4	45.0
12 h after dark	32.05	26.5	37.6