condition	mean	min	max
4 h after light	49.5	49.5	49.5
8 h after light	32.15	25.9	38.4
12 h after light	27.15	26.1	28.2
4 h after dark	29.15	16.9	41.4
8 h after dark	27.5	11.5	43.5
12 h after dark	26.75	24.3	29.2