condition	mean	min	max
0 h after light	11.520299999999999	10.6443	12.3963
4 h after light	15.37545	15.0368	15.7141
8 h after light	18.49925	17.7262	19.2723
4 h after dark	16.99145	16.8127	17.1702
8 h after dark	13.5855	10.7554	16.4156
12 h after dark	14.987200000000001	12.6744	17.3