condition	mean	min	max
4 h after light	1929.8	1929.8	1929.8
8 h after light	1879.1999999999998	1802.8	1955.6
12 h after light	1838.6	1834.4	1842.8
4 h after dark	1756.5	1714.4	1798.6
8 h after dark	1523.1	1494.5	1551.7
12 h after dark	1266.0	1082.5	1449.5