condition mean min max 3 h after light 12.421033333333334 11.8173 12.7276 6 h after light 13.3518 10.7056 15.3716 9 h after light 14.317433333333334 11.276 17.2746 12 h after light 16.620075 11.6981 21.102 3 h after dark 16.703 15.5734 18.0378 6 h after dark 17.1782 15.4438 18.116 9 h after dark 13.3553 10.6721 15.348 12 h after dark 12.018699999999999 11.9102 12.1272