condition	mean	min	max
4 h after light	1309.831111	1189.99	1444.053333
8 h after light	1392.451111	1261.333333	1525.7
12 h after light	1567.52	1502.58	1681.743333
1.5 h after dark	1790.2211113333333	1629.276667	1872.916667
5.5 h after dark	2016.0944443333333	1997.433333	2032.366667
9.5 h after dark	1825.6544446666667	1741.256667	1869.69