condition	mean	min	max
4 h after light	37.7	37.7	37.7
8 h after light	56.95	46.7	67.2
12 h after light	44.65	25.7	63.6
4 h after dark	63.9	55.8	72.0
8 h after dark	33.25	14.4	52.1
12 h after dark	62.6	55.2	70.0