condition mean min max 4 h after light 3.5942496666666663 3.462299 3.7613199999999996 8 h after light 3.000728 2.948676 3.094497 12 h after light 2.086603 1.490148 3.006829 16 h after light 3.4301413333333333 2.927791 3.9740800000000003 4 h after dark 2.8915693333333334 2.549416 3.3792800000000005 8 h after dark 2.1384833333333333 1.623325 2.870959