Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 12°F | 27°F | 19°F | 2.7" |
February | 12°F | 29°F | 20°F | 0.9" |
March | 22°F | 40°F | 31°F | 2.4" |
April | 33°F | 52°F | 42°F | 3.5" |
May | 44°F | 65°F | 54°F | 5.4" |
June | 54°F | 74°F | 64°F | 5.5" |
July | 59°F | 80°F | 69°F | 5.5" |
August | 58°F | 77°F | 67°F | 5.6" |
September | 51°F | 70°F | 60°F | 5.4" |
October | 40°F | 57°F | 49°F | 5.0" |
November | 30°F | 45°F | 37°F | 5.4" |
December | 17°F | 31°F | 24°F | 2.4" |
Index | Ephraim | Wisconsin | National |
Air quality index | 36 | 69 | 42 |
Pollution index | 2,162,150 | 2,842,418 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 311 |
Days with moderate air quality | 54 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.001% |
Lead | 0.001% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Sister Bay, WI | 873 | 36 | 28.0% |
Baileys Harbor, WI | 187 | 36 | 28.0% |
Egg Harbor, WI | 250 | 36 | 28.0% |
Ellison Bay, WI | 148 | 36 | 28.0% |
Ephraim, WI | 236 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Koliganek, AK | 236 | 31 | 38.0% |
Artois, CA | 236 | 46 | 8.0% |
Tonyville, CA | 236 | 66 | 32.0% |
Denton, GA | 236 | 26 | 48.0% |
Winchester, ID | 236 | 29 | 42.0% |
Ephraim, WI | 236 | 36 | 28.0% |