condition	mean	min	max
4 h after light	1968.8	1968.8	1968.8
8 h after light	2032.9	1837.7	2228.1
12 h after light	2153.1499999999996	1872.6	2433.7
4 h after dark	1983.05	1177.4	2788.7
8 h after dark	1457.45	1313.0	1601.9
12 h after dark	1681.95	1406.9	1957.0