condition	mean	min	max
4 h after light	12.4305	12.3915	12.4695
8 h after light	9.890455	9.54151	10.2394
12 h after light	12.360050000000001	11.9924	12.7277
4 h after dark	16.73505	16.5008	16.9693
8 h after dark	18.5529	17.7276	19.3782
12 h after dark	16.32875	15.8821	16.7754