condition mean min max 0 h after light 16.6199 16.0452 17.1946 2 h after light 12.7244 12.3476 13.1012 4 h after light 10.54395 10.0783 11.0096 8 h after light 7.6675249999999995 7.38139 7.95366 12 h after light 8.217995 8.15869 8.2773 2 h after dark 9.083034999999999 7.42887 10.7372 4 h after dark 9.85781 9.60342 10.1122 8 h after dark 14.9921 13.3713 16.6129 12 h after dark 17.192349999999998 14.1691 20.2156