Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 7°F | 27°F | 17°F | 4.1" |
February | 8°F | 29°F | 18°F | 3.8" |
March | 17°F | 38°F | 27°F | 3.6" |
April | 31°F | 55°F | 43°F | 3.4" |
May | 43°F | 68°F | 55°F | 3.8" |
June | 53°F | 76°F | 63°F | 5.4" |
July | 57°F | 80°F | 68°F | 4.0" |
August | 55°F | 78°F | 66°F | 4.8" |
September | 48°F | 72°F | 59°F | 3.1" |
October | 38°F | 58°F | 47°F | 4.6" |
November | 27°F | 46°F | 36°F | 3.1" |
December | 15°F | 32°F | 23°F | 5.4" |
Index | Derby Line | Vermont | National |
Air quality index | 40 | 36 | 42 |
Pollution index | 1,278,430 | 1,478,772 | 2,726,193 |
Measurement | Total |
Days measured | 324 |
Days with good air quality | 314 |
Days with moderate air quality | 10 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Irasburg, VT | 106 | 37 | 26.0% |
Orleans, VT | 936 | 37 | 26.0% |
Troy, VT | 58 | 37 | 26.0% |
Coventry, VT | 29 | 37 | 26.0% |
Newport Center, VT | 230 | 37 | 26.0% |
Derby Line, VT | 668 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Blandinsville, IL | 668 | 29 | 42.0% |
Cedar Vale, KS | 668 | 40 | 20.0% |
Howard, KS | 668 | 40 | 20.0% |
Argyle, MN | 668 | 33 | 34.0% |
Pleasant Hope, MO | 668 | 39 | 22.0% |
Derby Line, VT | 668 | 40 | 20.0% |