Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 38°F | 26°F | 0.8" |
February | 17°F | 39°F | 27°F | 0.8" |
March | 28°F | 53°F | 38°F | 2.1" |
April | 36°F | 61°F | 47°F | 5.2" |
May | 46°F | 71°F | 57°F | 6.4" |
June | 57°F | 82°F | 69°F | 6.7" |
July | 63°F | 89°F | 75°F | 5.1" |
August | 60°F | 85°F | 71°F | 6.1" |
September | 51°F | 78°F | 63°F | 4.4" |
October | 39°F | 64°F | 49°F | 4.0" |
November | 27°F | 52°F | 37°F | 2.0" |
December | 16°F | 36°F | 25°F | 1.1" |
Index | Johnstown | Nebraska | National |
Air quality index | 19 | 86 | 42 |
Pollution index | 132,424 | 590,627 | 2,726,193 |
Measurement | Total |
Days measured | 60 |
Days with good air quality | 55 |
Days with moderate air quality | 5 |
Days w/ poor A.Q. for sensitive groups | |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.002% |
Carbon Tetrachloride | 0.000% |
Lead | 0.005% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Wood Lake, NE | 26 | 19 | 62.0% |
Ainsworth, NE | 1,655 | 19 | 62.0% |
Johnstown, NE | 36 | 19 | 62.0% |
City | Population | Air Quality Index | National Avg. |
Excursion Inlet, AK | 36 | 20 | 60.0% |
Proberta, CA | 36 | 41 | 18.0% |
Maybell, CO | 36 | 49 | 2.0% |
Coburg, IA | 36 | 40 | 20.0% |
St. Vincent, MN | 36 | 33 | 34.0% |
Johnstown, NE | 36 | 19 | 62.0% |