condition	mean	min	max
4 h after light	5.2	5.2	5.2
8 h after light	32.05	27.1	37.0
12 h after light	20.85	16.1	25.6
4 h after dark	13.2	7.4	19.0
8 h after dark	41.25	18.5	64.0
12 h after dark	41.95	35.6	48.3