condition	mean	min	max
4 h after light	23.8	23.8	23.8
8 h after light	56.7	56.0	57.4
12 h after light	70.4	69.2	71.6
4 h after dark	74.75	52.2	97.3
8 h after dark	62.45	55.7	69.2
12 h after dark	45.9	19.0	72.8