Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 29°F | 47°F | 37°F | 6.5" |
February | 35°F | 55°F | 43°F | 3.2" |
March | 45°F | 67°F | 55°F | 8.3" |
April | 50°F | 70°F | 58°F | 3.9" |
May | 61°F | 78°F | 68°F | 10.4" |
June | 68°F | 86°F | 76°F | 15.7" |
July | 70°F | 89°F | 79°F | 13.1" |
August | 72°F | 92°F | 81°F | 12.2" |
September | 67°F | 86°F | 75°F | 8.9" |
October | 54°F | 76°F | 63°F | 6.0" |
November | 43°F | 67°F | 53°F | 2.1" |
December | 30°F | 50°F | 39°F | 3.9" |
Index | Norman | Oklahoma | National |
Air quality index | 48 | 55 | 42 |
Pollution index | 791,228 | 1,271,533 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 204 |
Days with moderate air quality | 159 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Lexington, OK | 2,244 | 36 | 28.0% |
Blanchard, OK | 8,362 | 48 | 4.0% |
Slaughterville, OK | 4,291 | 48 | 4.0% |
Purcell, OK | 6,508 | 48 | 4.0% |
Noble, OK | 6,956 | 48 | 4.0% |
Norman, OK | 124,086 | 48 | 4.0% |
City | Population | Air Quality Index | National Avg. |
Lehigh Acres, FL | 124,523 | 36 | 28.0% |
Fargo, ND | 123,550 | 33 | 34.0% |
Abilene, TX | 124,691 | 33 | 34.0% |
Athens, GA | 124,962 | 44 | 12.0% |
Berkeley, CA | 123,065 | 40 | 20.0% |
Norman, OK | 124,086 | 48 | 4.0% |