condition	mean	min	max
4 h after light	41.7	41.7	41.7
8 h after light	57.95	35.4	80.5
12 h after light	41.25	15.7	66.8
4 h after dark	10.25	2.2	18.3
8 h after dark	43.05	40.5	45.6
12 h after dark	77.1	52.0	102.2