condition	mean	min	max
4 h after light	41.7	41.7	41.7
8 h after light	60.3	59.0	61.6
12 h after light	75.25	57.2	93.3
4 h after dark	78.9	67.9	89.9
8 h after dark	42.9	31.3	54.5
12 h after dark	62.05	58.1	66.0