condition mean min max 1 h after light 2.379724768 2.379724768 2.379724768 3 h after light 9.563330789 4.7552709680000005 14.37139061 5 h after light 14.481556205 14.22492381 14.738188599999999 7 h after light 15.246268700000002 14.63187822 15.86065918 9 h after light 10.676736753 7.956259566 13.39721394 11 h after light 11.971090795 10.10350822 13.83867337 1 h after dark 9.959492334 8.768069387999999 11.15091528 3 h after dark 11.4336610915 9.814144733 13.05317745 5 h after dark 14.311809705000002 12.2399407 16.38367871 7 h after dark 17.299862855 15.53235666 19.06736905 9 h after dark 18.811343195 18.41578883 19.20689756 11 h after dark 19.96405055 19.22652475 20.70157635