Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 40°F | 32°F | 3.4" |
February | 25°F | 40°F | 32°F | 3.7" |
March | 31°F | 48°F | 39°F | 4.8" |
April | 41°F | 60°F | 50°F | 5.6" |
May | 50°F | 68°F | 58°F | 3.9" |
June | 61°F | 78°F | 69°F | 4.3" |
July | 67°F | 83°F | 74°F | 5.4" |
August | 66°F | 82°F | 74°F | 3.1" |
September | 59°F | 76°F | 67°F | 4.1" |
October | 48°F | 65°F | 56°F | 6.9" |
November | 39°F | 55°F | 47°F | 4.0" |
December | 30°F | 44°F | 37°F | 6.2" |
Index | Head of the Harbor | New York | National |
Air quality index | 43 | 43 | 42 |
Pollution index | 39,208,800 | 6,179,275 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 262 |
Days with moderate air quality | 82 |
Days w/ poor A.Q. for sensitive groups | 18 |
Days with unhealthy air quality | 3 |
Pollutant | Total |
Arsenic | 0.060% |
Benzene | 0.320% |
Carbon Tetrachloride | 0.020% |
Lead | 0.320% |
Mercury | 0.130% |
City | Population | Air Quality Index | National Avg. |
Norwalk, CT | 88,755 | 43 | 14.0% |
Bohemia, NY | 9,329 | 43 | 14.0% |
East Patchogue, NY | 22,016 | 43 | 14.0% |
Patchogue, NY | 12,389 | 43 | 14.0% |
East Shoreham, NY | 7,090 | 43 | 14.0% |
Head of the Harbor, NY | 1,454 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Noank, CT | 1,454 | 37 | 26.0% |
Griggsville, IL | 1,454 | 41 | 18.0% |
Long Creek, IL | 1,454 | 44 | 12.0% |
Babbitt, MN | 1,454 | 35 | 30.0% |
Goodman, MO | 1,454 | 37 | 26.0% |
Head of the Harbor, NY | 1,454 | 43 | 14.0% |