A Studor Mini-Vent, Redi-Vent or Tec-Vent would serve as the vent protecting the fixture trap. The individual vent with a Studor AAV as the vent terminal is an effective method of venting island fixtures or fixtures located in a remote location.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit. The annual average precipitation at New Haven is 52.73 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.70 Inches.
June is another great month to visit New York City as summer has arrived and yet on most days you will experience temperatures that are quite comfortable. Early in June, afternoon high temperatures are very nice, averaging mostly in the low to mid 70s f (22-24C). Early morning lows will fall to the mid to upper 50s f (13-15C) while a couple colder morning can see lows down into the upper 40s f to near 50f (9-10C).