Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 28°F | 21°F | 3.6" |
February | 14°F | 30°F | 22°F | 1.7" |
March | 26°F | 45°F | 35°F | 3.4" |
April | 37°F | 59°F | 47°F | 6.3" |
May | 47°F | 71°F | 59°F | 5.1" |
June | 57°F | 79°F | 68°F | 7.3" |
July | 61°F | 83°F | 72°F | 3.8" |
August | 59°F | 81°F | 70°F | 5.7" |
September | 51°F | 74°F | 62°F | 4.6" |
October | 41°F | 61°F | 50°F | 6.5" |
November | 30°F | 47°F | 38°F | 4.2" |
December | 18°F | 33°F | 25°F | 3.3" |
Index | Lake Koshkonong | Wisconsin | National |
Air quality index | 37 | 69 | 42 |
Pollution index | 1,129,440 | 2,842,418 | 2,726,193 |
Measurement | Total |
Days measured | 205 |
Days with good air quality | 189 |
Days with moderate air quality | 15 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.000% |
Lead | 0.001% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Jefferson, WI | 8,011 | 37 | 26.0% |
Rockdale, WI | 210 | 37 | 26.0% |
Rome, WI | 647 | 37 | 26.0% |
Whitewater, WI | 14,762 | 37 | 26.0% |
Lake Mills, WI | 5,936 | 37 | 26.0% |
Lake Koshkonong, WI | 958 | 37 | 26.0% |
City | Population | Air Quality Index | National Avg. |
Hackett, AR | 958 | 36 | 28.0% |
Chumuckla, FL | 958 | 41 | 18.0% |
Van Horne, IA | 958 | 39 | 22.0% |
Bellefonte, KY | 958 | 42 | 16.0% |
Farmersville, PA | 958 | 45 | 10.0% |
Lake Koshkonong, WI | 958 | 37 | 26.0% |