condition mean min max 4 h after light 1.69501 1.06252 2.50828 8 h after light 0.9603073333333333 0.233572 1.37414 12 h after light 0.7366276666666667 0.455708 0.954244 4 h after dark 1.8729036666666667 0.796661 2.47324 8 h after dark 1.4937799999999999 1.01356 1.92729 12 h after dark 1.8763 1.50513 2.36415