condition	mean	min	max
4 h after light	1991.8	1991.8	1991.8
8 h after light	1892.1499999999999	1718.1	2066.2
12 h after light	2107.9	1927.2	2288.6
4 h after dark	2564.7	2207.5	2921.9
8 h after dark	1852.5	1702.6	2002.4
12 h after dark	1492.3	1375.3	1609.3