Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 32°F | 24°F | 4.9" |
February | 17°F | 33°F | 25°F | 4.4" |
March | 26°F | 45°F | 34°F | 5.3" |
April | 36°F | 58°F | 46°F | 6.9" |
May | 47°F | 69°F | 57°F | 5.6" |
June | 55°F | 76°F | 65°F | 9.2" |
July | 60°F | 81°F | 70°F | 8.2" |
August | 57°F | 78°F | 67°F | 8.7" |
September | 52°F | 72°F | 61°F | 7.4" |
October | 42°F | 60°F | 50°F | 6.6" |
November | 31°F | 48°F | 39°F | 4.7" |
December | 24°F | 37°F | 30°F | 6.3" |
Index | Rock Hill | New York | National |
Air quality index | 36 | 43 | 42 |
Pollution index | 9,612,350 | 6,179,275 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 319 |
Days with moderate air quality | 46 |
Days w/ poor A.Q. for sensitive groups | |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.230% |
Mercury | 0.080% |
City | Population | Air Quality Index | National Avg. |
Loch Sheldrake, NY | 1,588 | 36 | 28.0% |
South Fallsburg, NY | 1,312 | 36 | 28.0% |
Mechanicstown, NY | 7,770 | 36 | 28.0% |
Washington Heights, NY | 1,963 | 36 | 28.0% |
Goshen, NY | 5,346 | 36 | 28.0% |
Rock Hill, NY | 2,204 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Vernon, AL | 2,204 | 35 | 30.0% |
Spring Arbor, MI | 2,204 | 39 | 22.0% |
Spencerville, OH | 2,204 | 39 | 22.0% |
Topton, PA | 2,204 | 42 | 16.0% |
Montgomery, TX | 2,204 | 52 | 4.0% |
Rock Hill, NY | 2,204 | 36 | 28.0% |