condition mean min max 1 h after light 17.344913866666666 12.59910449 20.05827514 3 h after light 16.293737316666668 12.6665452 21.43539377 5 h after light 18.339522046666666 15.12664905 22.27854696 7 h after light 18.981811736666668 16.46050062 22.94231284 9 h after light 14.804829960000001 13.8885889 15.61095034 11 h after light 14.906629553333334 10.50131186 18.52858986 13 h after light 17.59916255 16.02594053 18.50267963 15 h after light 14.989526846666665 13.61742082 17.52210108 1 h after dark 21.18271785 16.21543272 24.4968702 3 h after dark 18.62799052 16.59736147 19.90206871 5 h after dark 21.7509214 21.05599732 22.21575526 7 h after dark 22.264578606666667 18.08519566 30.45459122