Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 24°F | 43°F | 32°F | 2.5" |
February | 26°F | 45°F | 34°F | 2.5" |
March | 36°F | 58°F | 45°F | 4.3" |
April | 46°F | 69°F | 57°F | 7.2" |
May | 55°F | 76°F | 65°F | 6.3" |
June | 64°F | 87°F | 75°F | 5.5" |
July | 66°F | 90°F | 77°F | 10.4" |
August | 63°F | 87°F | 75°F | 6.8" |
September | 58°F | 85°F | 71°F | 6.4" |
October | 49°F | 72°F | 59°F | 7.2" |
November | 36°F | 57°F | 45°F | 7.9" |
December | 29°F | 45°F | 36°F | 7.3" |
Index | Arrow Rock | Missouri | National |
Air quality index | 38 | 97 | 42 |
Pollution index | 2,921,360 | 1,630,255 | 2,726,193 |
Measurement | Total |
Days measured | 245 |
Days with good air quality | 239 |
Days with moderate air quality | 6 |
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 | 0.002% |
Lead | 0.070% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Blackwater, MO | 209 | 38 | 24.0% |
Fayette, MO | 2,677 | 38 | 24.0% |
New Franklin, MO | 1,016 | 38 | 24.0% |
Marshall, MO | 12,920 | 38 | 24.0% |
Franklin, MO | 122 | 38 | 24.0% |
Arrow Rock, MO | 37 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Clark's Point, AK | 37 | 31 | 38.0% |
Wahak Hotrontk, AZ | 37 | 47 | 6.0% |
Whitehawk, CA | 37 | 44 | 12.0% |
Stonewall Gap, CO | 37 | 15 | 70.0% |
Aldora, GA | 37 | 38 | 24.0% |
Arrow Rock, MO | 37 | 38 | 24.0% |