condition	mean	min	max
0 h after light	15.212250000000001	14.4271	15.9974
4 h after light	9.77299	9.44668	10.0993
8 h after light	9.6084	9.1927	10.0241
4 h after dark	13.277249999999999	12.655	13.8995
8 h after dark	12.312750000000001	11.1719	13.4536
12 h after dark	12.237649999999999	12.1573	12.318