condition	mean	min	max
4 h after light	27.1	27.1	27.1
8 h after light	65.0	56.7	73.3
12 h after light	55.25	49.2	61.3
4 h after dark	54.55	12.6	96.5
8 h after dark	54.55	28.1	81.0
12 h after dark	21.9	15.2	28.6