condition	mean	min	max
4 h after light	10.72825	10.4156	11.0409
8 h after light	6.385435	2.9068	9.86407
12 h after light	8.070879999999999	7.5366	8.60516
4 h after dark	14.39857	9.43271	19.6864
8 h after dark	20.974999999999998	12.6722	35.5665
12 h after dark	20.93316666666667	14.1949	29.5164