condition	mean	min	max
4 h after light	8042.505	7734.85	8350.16
8 h after light	7779.35	7626.0	7932.7
12 h after light	7917.25	7447.41	8387.09
4 h after dark	7002.905	6251.23	7754.58
8 h after dark	7909.790000000001	7898.02	7921.56
12 h after dark	7645.1900000000005	7451.34	7839.04