condition	mean	min	max
4 h after light	1633.526111	1567.07	1693.475
8 h after light	1736.6344443333335	1678.72	1789.253333
12 h after light	1833.4322223333334	1703.626667	1902.63
1.5 h after dark	1833.3888886666666	1719.573333	2031.803333
5.5 h after dark	1620.072222	1304.143333	1938.0
9.5 h after dark	1628.0577776666667	1450.023333	1777.603333