condition	mean	min	max
4 h after light	12.8464	12.0397	13.6531
8 h after light	9.135605	8.86502	9.40619
12 h after light	12.308150000000001	11.8519	12.7644
4 h after dark	23.28855	19.4292	27.1479
8 h after dark	15.262799999999999	14.7778	15.7478
12 h after dark	16.10565	16.0655	16.1458