Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 37°F | 27°F | 2.8" |
February | 18°F | 39°F | 28°F | 3.3" |
March | 26°F | 47°F | 36°F | 4.0" |
April | 38°F | 62°F | 49°F | 3.9" |
May | 48°F | 72°F | 59°F | 4.0" |
June | 57°F | 80°F | 68°F | 5.0" |
July | 63°F | 86°F | 74°F | 4.0" |
August | 61°F | 83°F | 72°F | 3.6" |
September | 54°F | 77°F | 65°F | 3.7" |
October | 43°F | 65°F | 53°F | 5.8" |
November | 32°F | 53°F | 42°F | 3.2" |
December | 23°F | 42°F | 32°F | 4.0" |
Index | Clinton | Massachusetts | National |
Air quality index | 40 | 40 | 42 |
Pollution index | 7,556,320 | 8,399,610 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 312 |
Days with moderate air quality | 52 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.040% |
Lead | 0.010% |
Mercury | 0.040% |
City | Population | Air Quality Index | National Avg. |
Groton, MA | 1,127 | 37 | 26.0% |
Westborough, MA | 4,024 | 40 | 20.0% |
Shirley, MA | 1,716 | 40 | 20.0% |
South Ashburnham, MA | 883 | 40 | 20.0% |
Northborough, MA | 6,532 | 40 | 20.0% |
Clinton, MA | 7,058 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Bremen, GA | 7,057 | 44 | 12.0% |
Russellville, KY | 7,056 | 43 | 14.0% |
Atherton, CA | 7,060 | 43 | 14.0% |
Grove, OK | 7,060 | 38 | 24.0% |
Morrow, GA | 7,061 | 52 | 4.0% |
Clinton, MA | 7,058 | 40 | 20.0% |