Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 12°F | 36°F | 23°F | 0.8" |
February | 15°F | 40°F | 26°F | 0.7" |
March | 26°F | 55°F | 39°F | 1.2" |
April | 37°F | 65°F | 50°F | 3.2" |
May | 48°F | 76°F | 61°F | 4.1" |
June | 58°F | 85°F | 72°F | 5.1" |
July | 62°F | 89°F | 76°F | 2.0" |
August | 60°F | 86°F | 73°F | 4.6" |
September | 51°F | 80°F | 65°F | 2.5" |
October | 39°F | 67°F | 52°F | 2.7" |
November | 26°F | 54°F | 39°F | 0.7" |
December | 14°F | 37°F | 25°F | 1.3" |
Index | Norfolk | Nebraska | National |
Air quality index | 35 | 86 | 42 |
Pollution index | 153,847 | 590,627 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 322 |
Days with moderate air quality | 42 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.002% |
Carbon Tetrachloride | 0.000% |
Lead | 0.090% |
Mercury | 0.160% |
City | Population | Air Quality Index | National Avg. |
Battle Creek, NE | 1,503 | 35 | 30.0% |
Pierce, NE | 1,973 | 35 | 30.0% |
Hadar, NE | 289 | 35 | 30.0% |
Stanton, NE | 1,847 | 35 | 30.0% |
Hoskins, NE | 295 | 35 | 30.0% |
Norfolk, NE | 24,410 | 35 | 30.0% |
City | Population | Air Quality Index | National Avg. |
Trotwood, OH | 24,410 | 47 | 6.0% |
Wilsonville, OR | 24,413 | 38 | 24.0% |
Selma, CA | 24,405 | 56 | 12.0% |
Willowbrook, CA | 24,401 | 72 | 44.0% |
Candler-McAfee, GA | 24,419 | 52 | 4.0% |
Norfolk, NE | 24,410 | 35 | 30.0% |