Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 41°F | 31°F | 2.7" |
February | 22°F | 43°F | 32°F | 2.6" |
March | 33°F | 57°F | 44°F | 4.4" |
April | 43°F | 69°F | 55°F | 5.1" |
May | 52°F | 77°F | 64°F | 4.4" |
June | 61°F | 85°F | 73°F | 4.7" |
July | 64°F | 87°F | 75°F | 3.7" |
August | 62°F | 87°F | 74°F | 2.8" |
September | 55°F | 81°F | 67°F | 3.8" |
October | 43°F | 69°F | 55°F | 3.8" |
November | 32°F | 57°F | 43°F | 3.1" |
December | 27°F | 46°F | 36°F | 4.1" |
Index | Harrison | Ohio | National |
Air quality index | 54 | 40 | 42 |
Pollution index | 23,937,200 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 139 |
Days with moderate air quality | 206 |
Days w/ poor A.Q. for sensitive groups | 20 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.500% |
Benzene | 0.180% |
Carbon Tetrachloride | 0.110% |
Lead | 0.250% |
Mercury | 0.060% |
City | Population | Air Quality Index | National Avg. |
Brookville, IN | 2,535 | 6 | 88.0% |
New Trenton, IN | 233 | 54 | 8.0% |
New Haven, OH | 332 | 54 | 8.0% |
Ross, OH | 3,293 | 54 | 8.0% |
Grandview, OH | 1,122 | 54 | 8.0% |
Harrison, OH | 12,763 | 54 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Manorville, NY | 12,764 | 43 | 14.0% |
Trinity, FL | 12,761 | 43 | 14.0% |
Cypress Lake, FL | 12,766 | 36 | 28.0% |
Cornelius, OR | 12,767 | 38 | 24.0% |
Amos, QC | 12,770 | n/a | |
Harrison, OH | 12,763 | 54 | 8.0% |