condition	mean	min	max
4 h after light	1910.5474865	1876.228333	1944.86664
8 h after light	1933.4198300000003	1704.343125	2162.496535
12 h after light	1680.348504	1449.232057	1911.464951
4 h after dark	1677.594653	1603.232057	1751.957249
8 h after dark	1670.914074	1670.291253	1671.536895
12 h after dark	1544.734647	1544.734647	1544.734647