condition mean min max 4 h after light 11.749334000000001 10.954153 12.544515 8 h after light 13.292496 10.575022 16.00997 12 h after light 11.588607 11.418239 11.758975 4 h after dark 11.886849999999999 11.030035 12.743665 8 h after dark 11.8106615 11.418239 12.203084 12 h after dark 10.141265 10.141265 10.141265