condition	mean	min	max
0 h after light	15.10735	14.246	15.9687
4 h after light	15.90815	15.8858	15.9305
8 h after light	14.963000000000001	14.5365	15.3895
4 h after dark	17.7611	16.8433	18.6789
8 h after dark	16.09745	15.9598	16.2351
12 h after dark	15.2707	14.2954	16.246