condition mean min max 1 h after light 13.800347048333332 9.392880765 18.56102077 3 h after light 15.935256879999999 11.86876219 22.05522275 5 h after light 15.397239923333334 10.98304976 18.42415386 7 h after light 18.092065362 9.634519246 24.45427042 9 h after light 16.05793762 12.67108273 19.38979149 11 h after light 14.478020266666666 10.21281428 18.80403015 13 h after light 13.094691826666667 12.86931786 13.51134991 15 h after light 15.34391483 11.61859749 18.57790519 1 h after dark 15.95011019 14.57663899 17.06523611 3 h after dark 14.051426523333333 10.40699422 19.1274373 5 h after dark 18.837043053333336 11.58230228 24.79173878 7 h after dark 16.777035273333333 13.8472479 18.44340546