condition	mean	min	max
4 h after light	41.7	41.7	41.7
8 h after light	40.15	3.7	76.6
12 h after light	52.8	46.2	59.4
4 h after dark	39.95	36.4	43.5
8 h after dark	32.45	20.0	44.9
12 h after dark	58.8	44.0	73.6