condition	mean	min	max
4 h after light	2231.6	2231.6	2231.6
8 h after light	1954.0	1900.8	2007.2
12 h after light	1895.8	1890.8	1900.8
4 h after dark	1848.15	1768.9	1927.4
8 h after dark	1757.55	1736.1	1779.0
12 h after dark	1786.2	1703.2	1869.2