condition	mean	min	max
4 h after light	50.9	50.9	50.9
8 h after light	62.8	61.1	64.5
12 h after light	32.3	20.7	43.9
4 h after dark	40.45	32.8	48.1
8 h after dark	52.8	49.0	56.6
12 h after dark	40.25	29.9	50.6