Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 35°F | 26°F | 2.3" |
February | 19°F | 36°F | 27°F | 1.8" |
March | 32°F | 52°F | 41°F | 3.1" |
April | 42°F | 65°F | 53°F | 4.7" |
May | 53°F | 75°F | 63°F | 5.5" |
June | 63°F | 83°F | 73°F | 4.4" |
July | 65°F | 85°F | 75°F | 4.7" |
August | 63°F | 84°F | 73°F | 4.4" |
September | 56°F | 79°F | 66°F | 4.9" |
October | 45°F | 66°F | 54°F | 4.7" |
November | 33°F | 52°F | 42°F | 3.2" |
December | 23°F | 38°F | 30°F | 3.1" |
Index | Kappa | Illinois | National |
Air quality index | 44 | 41 | 42 |
Pollution index | 7,745,200 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 256 |
Days with moderate air quality | 108 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.860% |
Mercury | 0.210% |
City | Population | Air Quality Index | National Avg. |
Roanoke, IL | 1,880 | 41 | 18.0% |
Eureka, IL | 5,485 | 41 | 18.0% |
Benson, IL | 460 | 41 | 18.0% |
Chenoa, IL | 1,877 | 44 | 12.0% |
Panola, IL | 18 | 44 | 12.0% |
Kappa, IL | 225 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Mashantucket, CT | 225 | 37 | 26.0% |
Bluffton, GA | 225 | 35 | 30.0% |
Climax, GA | 225 | 40 | 20.0% |
Maysville, IA | 225 | 46 | 8.0% |
Bryant, IL | 225 | 41 | 18.0% |
Kappa, IL | 225 | 44 | 12.0% |