condition	mean	min	max
4 h after light	13.60965	13.0198	14.1995
8 h after light	13.02645	12.2714	13.7815
12 h after light	11.6033	10.9542	12.2524
4 h after dark	9.169789999999999	8.6286	9.71098
8 h after dark	11.483	11.3868	11.5792
12 h after dark	13.456949999999999	12.9705	13.9434