Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 11°F | 30°F | 20°F | 1.5" |
February | 13°F | 33°F | 23°F | 1.5" |
March | 24°F | 47°F | 35°F | 2.6" |
April | 35°F | 61°F | 48°F | 4.4" |
May | 46°F | 73°F | 59°F | 4.0" |
June | 57°F | 81°F | 69°F | 5.9" |
July | 60°F | 85°F | 73°F | 4.9" |
August | 59°F | 83°F | 71°F | 4.8" |
September | 51°F | 77°F | 63°F | 3.5" |
October | 40°F | 63°F | 51°F | 3.2" |
November | 28°F | 49°F | 38°F | 2.1" |
December | 17°F | 34°F | 25°F | 2.3" |
Index | Deerfield | Wisconsin | National |
Air quality index | 39 | 69 | 42 |
Pollution index | 12,871,100 | 2,842,418 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 285 |
Days with moderate air quality | 80 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.040% |
Benzene | 0.160% |
Carbon Tetrachloride | 0.030% |
Lead | 0.010% |
Mercury | 0.030% |
City | Population | Air Quality Index | National Avg. |
Lake Mills, WI | 5,936 | 37 | 26.0% |
Waterloo, WI | 3,334 | 37 | 26.0% |
Fort Atkinson, WI | 12,455 | 37 | 26.0% |
Lake Ripley, WI | 1,927 | 37 | 26.0% |
Jefferson, WI | 8,011 | 37 | 26.0% |
Deerfield, WI | 2,553 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
West Bishop, CA | 2,553 | 47 | 6.0% |
Pennington, NJ | 2,553 | 41 | 18.0% |
Odell, OR | 2,553 | 23 | 54.0% |
East Williston, NY | 2,552 | 51 | 2.0% |
Williamsburg, OH | 2,552 | 54 | 8.0% |
Deerfield, WI | 2,553 | 39 | 22.0% |