condition	mean	min	max
0 h after light	7.98262	7.58723	8.37801
4 h after light	6.5943000000000005	5.8813	7.3073
8 h after light	5.37571	5.04876	5.70266
4 h after dark	7.852304999999999	6.05601	9.6486
8 h after dark	11.29955	10.7172	11.8819
12 h after dark	8.99076	7.89822	10.0833