condition	mean	min	max
4 h after light	24.1	24.1	24.1
8 h after light	16.55	4.8	28.3
12 h after light	7.4	2.4	12.4
4 h after dark	7.55	2.9	12.2
8 h after dark	19.8	15.4	24.2
12 h after dark	18.75	10.1	27.4