Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 32°F | 51°F | 40°F | 9.7" |
February | 34°F | 55°F | 44°F | 4.4" |
March | 45°F | 68°F | 55°F | 4.0" |
April | 48°F | 71°F | 59°F | 4.1" |
May | 59°F | 80°F | 69°F | 6.3" |
June | 67°F | 87°F | 76°F | 8.0" |
July | 69°F | 91°F | 79°F | 11.2" |
August | 72°F | 93°F | 82°F | 11.4" |
September | 65°F | 88°F | 75°F | 8.2" |
October | 53°F | 77°F | 63°F | 4.6" |
November | 41°F | 66°F | 53°F | 2.0" |
December | 28°F | 52°F | 39°F | 3.3" |
Index | Summit | Oklahoma | National |
Air quality index | 5 | 55 | 42 |
Pollution index | 2,448,980 | 1,271,533 | 2,726,193 |
Measurement | Total |
Days measured | 286 |
Days with good air quality | 269 |
Days with moderate air quality | 15 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.310% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.004% |
Lead | 0.100% |
Mercury | 0.200% |
City | Population | Air Quality Index | National Avg. |
Boynton, OK | 151 | 5 | 90.0% |
Porter, OK | 563 | 5 | 90.0% |
Mulberry, OK | 98 | 5 | 90.0% |
Muskogee, OK | 37,337 | 5 | 90.0% |
Sand Hill, OK | 349 | 5 | 90.0% |
Summit, OK | 123 | 5 | 90.0% |
City | Population | Air Quality Index | National Avg. |
Cold Bay, AK | 123 | 31 | 38.0% |
Blue Mountain, AR | 123 | 36 | 28.0% |
Nicasio, CA | 123 | 40 | 20.0% |
Vincent, IA | 123 | 37 | 26.0% |
Princeton, ID | 123 | 10 | 80.0% |
Summit, OK | 123 | 5 | 90.0% |