Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 41°F | 33°F | 2.7" |
February | 25°F | 42°F | 33°F | 2.3" |
March | 32°F | 50°F | 40°F | 3.3" |
April | 42°F | 60°F | 51°F | 3.7" |
May | 52°F | 70°F | 60°F | 3.4" |
June | 61°F | 78°F | 69°F | 4.3" |
July | 68°F | 84°F | 76°F | 3.2" |
August | 66°F | 83°F | 74°F | 3.4" |
September | 60°F | 76°F | 68°F | 3.2" |
October | 50°F | 66°F | 57°F | 3.5" |
November | 39°F | 55°F | 47°F | 2.5" |
December | 32°F | 46°F | 39°F | 4.5" |
Index | Cold Spring Harbor | New York | National |
Air quality index | 43 | 43 | 42 |
Pollution index | 22,367,000 | 6,179,275 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 262 |
Days with moderate air quality | 82 |
Days w/ poor A.Q. for sensitive groups | 18 |
Days with unhealthy air quality | 3 |
Pollutant | Total |
Arsenic | 0.040% |
Benzene | 0.180% |
Carbon Tetrachloride | 0.070% |
Lead | 0.050% |
Mercury | 0.050% |
City | Population | Air Quality Index | National Avg. |
Greenwich, CT | 12,967 | 43 | 14.0% |
Central Islip, NY | 33,591 | 43 | 14.0% |
Commack, NY | 36,903 | 43 | 14.0% |
Fort Salonga, NY | 9,930 | 43 | 14.0% |
Huntington Bay, NY | 1,614 | 43 | 14.0% |
Cold Spring Harbor, NY | 2,864 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Ithaca, MI | 2,864 | 36 | 28.0% |
New Madrid, MO | 2,863 | 26 | 48.0% |
Oak Grove, VA | 2,863 | 47 | 6.0% |
Great Neck Estates, NY | 2,865 | 51 | 2.0% |
Elgin, SC | 2,865 | 49 | 2.0% |
Cold Spring Harbor, NY | 2,864 | 43 | 14.0% |