condition	mean	min	max
4 h after light	27.0	27.0	27.0
8 h after light	44.699999999999996	20.8	68.6
12 h after light	67.9	51.8	84.0
4 h after dark	37.7	2.4	73.0
8 h after dark	36.3	32.7	39.9
12 h after dark	61.7	52.6	70.8