Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 27°F | 45°F | 35°F | 3.7" |
February | 29°F | 47°F | 37°F | 2.9" |
March | 39°F | 60°F | 48°F | 4.5" |
April | 48°F | 71°F | 59°F | 6.3" |
May | 57°F | 79°F | 68°F | 5.7" |
June | 66°F | 87°F | 77°F | 5.3" |
July | 69°F | 89°F | 79°F | 5.6" |
August | 68°F | 89°F | 78°F | 3.7" |
September | 61°F | 83°F | 71°F | 4.6" |
October | 48°F | 71°F | 59°F | 4.4" |
November | 38°F | 59°F | 48°F | 3.5" |
December | 31°F | 48°F | 39°F | 4.8" |
Index | Thornhill | Kentucky | National |
Air quality index | 49 | 45 | 42 |
Pollution index | 10,162,700 | 1,369,131 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 195 |
Days with moderate air quality | 166 |
Days w/ poor A.Q. for sensitive groups | 4 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.050% |
Mercury | 0.140% |
City | Population | Air Quality Index | National Avg. |
Kingsley, KY | 425 | 49 | 2.0% |
Norbourne Estates, KY | 510 | 49 | 2.0% |
St. Regis Park, KY | 1,568 | 49 | 2.0% |
Strathmoor Village, KY | 563 | 49 | 2.0% |
Anchorage, KY | 2,357 | 49 | 2.0% |
Thornhill, KY | 193 | 49 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Russian Mission, AK | 193 | 31 | 38.0% |
Rackerby, CA | 193 | 44 | 12.0% |
Grand River, IA | 193 | 39 | 22.0% |
Oakford, IL | 193 | 40 | 20.0% |
Severy, KS | 193 | 22 | 56.0% |
Thornhill, KY | 193 | 49 | 2.0% |