Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 36°F | 29°F | 6.9" |
February | 19°F | 34°F | 26°F | 3.4" |
March | 33°F | 54°F | 42°F | 3.3" |
April | 41°F | 65°F | 52°F | 5.8" |
May | 52°F | 78°F | 65°F | 3.4" |
June | 63°F | 85°F | 74°F | 6.1" |
July | 63°F | 83°F | 73°F | 5.8" |
August | 65°F | 86°F | 75°F | 5.4" |
September | 57°F | 83°F | 69°F | 7.0" |
October | 46°F | 69°F | 57°F | 5.6" |
November | 33°F | 53°F | 42°F | 7.3" |
December | 21°F | 35°F | 27°F | 3.7" |
Index | Philo | Illinois | National |
Air quality index | 42 | 41 | 42 |
Pollution index | 1,494,160 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 281 |
Days with moderate air quality | 84 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.290% |
Lead | 0.010% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Garrett, IL | 118 | 42 | 16.0% |
Tolono, IL | 3,071 | 42 | 16.0% |
Pesotum, IL | 447 | 42 | 16.0% |
Ogden, IL | 773 | 42 | 16.0% |
Homer, IL | 1,320 | 42 | 16.0% |
Philo, IL | 1,398 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Descanso, CA | 1,398 | 64 | 28.0% |
Payson, IL | 1,398 | 41 | 18.0% |
Brookston, IN | 1,398 | 42 | 16.0% |
Okarche, OK | 1,398 | 48 | 4.0% |
Aptos Hills-Larkin Valley, CA | 1,397 | 35 | 30.0% |
Philo, IL | 1,398 | 42 | 16.0% |