condition	mean	min	max
4 h after light	1928.8627780000002	1672.536667	2250.985
8 h after light	1995.0866666666666	1749.5	2280.836667
12 h after light	1720.181111	1394.033333	1914.933333
1.5 h after dark	1479.267778	1193.676667	1727.676667
5.5 h after dark	1524.521111	1202.633333	1748.48
9.5 h after dark	1490.8355556666666	1354.126667	1763.59