condition	mean	min	max
4 h after light	10.551449999999999	10.4058	10.6971
8 h after light	8.75234	7.80963	9.69505
12 h after light	9.986975000000001	9.98157	9.99238
4 h after dark	14.369866666666667	12.1826	15.644
8 h after dark	15.598433333333334	12.5515	17.207
12 h after dark	13.9924	12.7806	15.6544