Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 42°F | 33°F | 4.2" |
February | 25°F | 43°F | 34°F | 3.6" |
March | 33°F | 52°F | 42°F | 3.9" |
April | 44°F | 66°F | 54°F | 4.4" |
May | 53°F | 75°F | 63°F | 4.9" |
June | 63°F | 84°F | 72°F | 5.3" |
July | 69°F | 89°F | 78°F | 4.5" |
August | 66°F | 86°F | 76°F | 5.0" |
September | 60°F | 81°F | 69°F | 3.5" |
October | 49°F | 69°F | 58°F | 4.8" |
November | 38°F | 58°F | 47°F | 3.1" |
December | 31°F | 47°F | 38°F | 5.0" |
Index | Old Tappan | New Jersey | National |
Air quality index | 51 | 45 | 42 |
Pollution index | 7,043,200 | 7,246,891 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 169 |
Days with moderate air quality | 180 |
Days w/ poor A.Q. for sensitive groups | 16 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.050% |
Carbon Tetrachloride | 0.020% |
Lead | 0.030% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Crugers, NY | 1,335 | 36 | 28.0% |
Stony Point, NY | 13,006 | 36 | 28.0% |
Pomona, NY | 3,058 | 36 | 28.0% |
Thiells, NY | 4,247 | 36 | 28.0% |
Tuxedo Park, NY | 542 | 36 | 28.0% |
Old Tappan, NJ | 5,924 | 51 | 2.0% |
City | Population | Air Quality Index | National Avg. |
Lewistown, MT | 5,923 | 21 | 58.0% |
Selinsgrove, PA | 5,923 | 35 | 30.0% |
Woods Creek, WA | 5,922 | 45 | 10.0% |
Oxford, MA | 5,926 | 40 | 20.0% |
Margate City, NJ | 5,921 | 37 | 26.0% |
Old Tappan, NJ | 5,924 | 51 | 2.0% |