condition	mean	min	max
4 h after light	15.1	15.1	15.1
8 h after light	54.65	33.3	76.0
12 h after light	39.05	29.0	49.1
4 h after dark	50.05	48.8	51.3
8 h after dark	19.2	18.4	20.0
12 h after dark	11.75	7.4	16.1