condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	20.9	5.0	36.8
12 h after light	19.6	13.0	26.2
4 h after dark	32.6	15.6	49.6
8 h after dark	20.95	8.6	33.3
12 h after dark	21.55	5.5	37.6