condition	mean	min	max
4 h after light	1217.1	1217.1	1217.1
8 h after light	1050.65	903.6	1197.7
12 h after light	1016.7	984.4	1049.0
4 h after dark	1078.35	916.4	1240.3
8 h after dark	1121.65	1112.4	1130.9
12 h after dark	1126.2	897.4	1355.0