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.
On average, there are 203 sunny days per year in Guilford, Connecticut. The July high is around 83 degrees. The January low is 21. Sperling's comfort index for Guilford is a 45 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.