condition mean min max 1 h after light 3.6583951069999996 3.486258162 3.8305320519999997 3 h after light 7.789323532666667 5.7195884 9.696373742 5 h after light 9.264850696333333 6.321950959 10.86582298 7 h after light 14.747294896666666 11.97603806 16.76942639 9 h after light 17.50184154 14.41855267 19.89405158 11 h after light 16.89427255 15.65167644 18.98866072 1 h after dark 18.37097063 13.76145764 22.21128272 3 h after dark 15.488523726666667 13.838404 18.32368249 5 h after dark 13.89159332 12.66508827 14.61897333 7 h after dark 12.54218945 11.47137775 13.95405601 9 h after dark 11.28279393 10.7457875 11.90779096 11 h after dark 10.238308417666667 9.544365405 11.61632996