Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 19°F | 35°F | 27°F | 2.0" |
February | 19°F | 35°F | 27°F | 1.8" |
March | 29°F | 49°F | 38°F | 2.9" |
April | 40°F | 62°F | 50°F | 3.6" |
May | 51°F | 74°F | 62°F | 3.8" |
June | 61°F | 83°F | 71°F | 4.1" |
July | 64°F | 86°F | 75°F | 4.2" |
August | 63°F | 84°F | 73°F | 3.7" |
September | 56°F | 77°F | 66°F | 3.6" |
October | 45°F | 65°F | 54°F | 2.5" |
November | 34°F | 52°F | 43°F | 2.6" |
December | 25°F | 40°F | 32°F | 2.6" |
Index | Crystal Rock | Ohio | National |
Air quality index | 40 | 40 | 42 |
Pollution index | 2,402,580 | 4,472,386 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 291 |
Days with moderate air quality | 73 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.005% |
Lead | 0.020% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Lakeside, OH | 686 | 1 | 98.0% |
Put-in-Bay, OH | 56 | 1 | 98.0% |
Marblehead, OH | 858 | 1 | 98.0% |
Sandusky, OH | 24,651 | 1 | 98.0% |
Kelleys Island, OH | 283 | 1 | 98.0% |
Crystal Rock, OH | 164 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Akhiok, AK | 164 | 31 | 38.0% |
Seldovia, AK | 164 | 31 | 38.0% |
Calpine, CA | 164 | 44 | 12.0% |
Capulin, CO | 164 | 15 | 70.0% |
Ramah, CO | 164 | 45 | 10.0% |
Crystal Rock, OH | 164 | 40 | 20.0% |