condition	mean	min	max
4 h after light	15.116299999999999	11.7551	18.4775
8 h after light	13.6684	11.6039	15.7329
12 h after light	11.4312	11.1399	11.7225
4 h after dark	14.75985	13.0752	16.4445
8 h after dark	16.2905	16.0277	16.5533
12 h after dark	17.71685	14.6102	20.8235