condition	mean	min	max
4 h after light	1932.0488785	1919.173393	1944.924364
8 h after light	2098.195256	2092.449229	2103.941283
12 h after light	1842.054328	1741.64476	1942.463896
4 h after dark	1961.913001	1931.232057	1992.593945
8 h after dark	1925.0436285	1884.325213	1965.762044
12 h after dark	1880.811127	1880.811127	1880.811127