condition	mean	min	max
4 h after light	8019.9	8019.9	8019.9
8 h after light	7915.4	7753.0	8077.8
12 h after light	7571.45	7036.7	8106.2
4 h after dark	5999.6	4703.2	7296.0
8 h after dark	5777.299999999999	5600.9	5953.7
12 h after dark	6286.35	6158.7	6414.0