Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 37°F | 26°F | 1.8" |
February | 19°F | 40°F | 29°F | 1.9" |
March | 32°F | 55°F | 42°F | 3.1" |
April | 42°F | 66°F | 53°F | 4.7" |
May | 52°F | 74°F | 62°F | 4.8" |
June | 62°F | 84°F | 72°F | 6.9" |
July | 65°F | 87°F | 76°F | 4.3" |
August | 63°F | 85°F | 73°F | 4.3" |
September | 55°F | 79°F | 66°F | 4.1" |
October | 44°F | 66°F | 54°F | 4.0" |
November | 33°F | 54°F | 42°F | 2.6" |
December | 22°F | 39°F | 30°F | 1.9" |
Index | Greencastle | Missouri | National |
Air quality index | 41 | 97 | 42 |
Pollution index | 139,865 | 1,630,255 | 2,726,193 |
Measurement | Total |
Days measured | 241 |
Days with good air quality | 208 |
Days with moderate air quality | 33 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.003% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Worthington, MO | 112 | 29 | 42.0% |
Pollock, MO | 53 | 39 | 22.0% |
Unionville, MO | 1,827 | 39 | 22.0% |
Milan, MO | 2,429 | 41 | 18.0% |
Winigan, MO | 26 | 41 | 18.0% |
Greencastle, MO | 176 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Glacier View, AK | 176 | 31 | 38.0% |
Point Lay, AK | 176 | 38 | 24.0% |
Alpine, AZ | 176 | 44 | 12.0% |
Little River, CA | 176 | 33 | 34.0% |
San Geronimo, CA | 176 | 40 | 20.0% |
Greencastle, MO | 176 | 41 | 18.0% |