condition	mean	min	max
4 h after light	615.1211111	579.84	682.64
8 h after light	656.0366666666666	605.43	753.43
12 h after light	962.9944444333333	844.41	1104.31
1.5 h after dark	1494.2222223333333	1205.436667	2007.7
5.5 h after dark	1564.521111	1227.59	1878.42
9.5 h after dark	1081.8277778666666	768.6233333	1658.036667