Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 27°F | 48°F | 37°F | 3.2" |
February | 30°F | 51°F | 39°F | 2.6" |
March | 36°F | 58°F | 46°F | 3.5" |
April | 45°F | 70°F | 57°F | 3.5" |
May | 55°F | 77°F | 66°F | 3.5" |
June | 63°F | 86°F | 74°F | 5.0" |
July | 70°F | 90°F | 79°F | 5.6" |
August | 66°F | 87°F | 76°F | 7.4" |
September | 61°F | 82°F | 71°F | 4.9" |
October | 50°F | 72°F | 60°F | 5.2" |
November | 37°F | 61°F | 49°F | 1.8" |
December | 33°F | 54°F | 43°F | 2.9" |
Index | Delmar | Delaware | National |
Air quality index | 36 | 41 | 42 |
Pollution index | 2,538,160 | 7,274,307 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 303 |
Days with moderate air quality | 61 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.004% |
Lead | 0.010% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Pittsville, MD | 1,742 | 36 | 28.0% |
Blades, DE | 1,123 | 36 | 28.0% |
Powellville, MD | 109 | 36 | 28.0% |
Galestown, MD | 72 | 36 | 28.0% |
Fruitland, MD | 5,281 | 36 | 28.0% |
Delmar, DE | 2,153 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Cowarts, AL | 2,153 | 35 | 30.0% |
Ault, CO | 2,153 | 45 | 10.0% |
Cave Junction, OR | 2,153 | 26 | 48.0% |
Wellington, TX | 2,153 | 44 | 12.0% |
Leechburg, PA | 2,154 | 38 | 24.0% |
Delmar, DE | 2,153 | 36 | 28.0% |