off-season
... that at least 17 tropical cyclones in the East Pacific have existed during the off-season?
... that at least 17 <a href="./Tropical_cyclone" id="mw7Q" rel="mw:WikiLink" title="Tropical cyclone">tropical cyclones</a> in the East Pacific have existed during the <b id="mw7g"><a href="./List_of_off-season_Pacific_hurricanes" id="mw7w" rel="mw:WikiLink" title="List of off-season Pacific hurricanes">off-season</a></b>?