condition	mean	min	max
4 h after light	10.18562	9.19244	11.1788
8 h after light	14.1578	13.5374	14.7782
12 h after light	15.765350000000002	15.1319	16.3988
4 h after dark	17.79875	17.7876	17.8099
8 h after dark	14.8451	14.5929	15.0973
12 h after dark	13.29325	12.9483	13.6382