condition	mean	min	max
4 h after light	1798.0	1798.0	1798.0
8 h after light	1859.65	1831.2	1888.1
12 h after light	1986.15	1828.2	2144.1
4 h after dark	1903.35	1851.1	1955.6
8 h after dark	1893.9	1831.6	1956.2
12 h after dark	1829.75	1764.5	1895.0