condition	mean	min	max
4 h after light	27.9	27.9	27.9
8 h after light	26.15	10.8	41.5
12 h after light	40.0	18.6	61.4
4 h after dark	20.3	15.9	24.7
8 h after dark	68.5	58.6	78.4
12 h after dark	50.2	21.5	78.9