condition	mean	min	max
4 h after light	18.2	18.2	18.2
8 h after light	59.75	58.7	60.8
12 h after light	45.65	32.9	58.4
4 h after dark	22.2	13.1	31.3
8 h after dark	39.95	38.9	41.0
12 h after dark	57.4	56.4	58.4