condition mean min max 3 h after light 9.033291666666667 4.32003 17.8094 7 h after light 10.0027625 3.78233 14.9586 11 h after light 9.342864166666667 1.85472 15.097 2 h after dark 8.512785833333334 4.44853 11.5729 6 h after dark 9.078720833333334 2.53559 13.9596 10 h after dark 8.06151 5.16014 12.7755