condition	mean	min	max
4 h after light	58.0	58.0	58.0
8 h after light	18.75	6.1	31.4
12 h after light	22.0	2.4	41.6
4 h after dark	33.85	9.1	58.6
8 h after dark	50.8	38.8	62.8
12 h after dark	21.25	10.3	32.2