Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 36°F | 24°F | 0.9" |
February | 15°F | 38°F | 26°F | 1.1" |
March | 25°F | 49°F | 36°F | 2.1" |
April | 28°F | 53°F | 39°F | 4.4" |
May | 36°F | 63°F | 50°F | 6.6" |
June | 47°F | 76°F | 61°F | 3.5" |
July | 54°F | 85°F | 70°F | 3.1" |
August | 52°F | 79°F | 65°F | 5.8" |
September | 43°F | 73°F | 58°F | 2.5" |
October | 34°F | 58°F | 45°F | 1.7" |
November | 24°F | 48°F | 35°F | 0.8" |
December | 14°F | 34°F | 23°F | 1.0" |
Index | Newcastle | Wyoming | National |
Air quality index | 44 | 39 | 42 |
Pollution index | 1,968,790 | 1,779,975 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 274 |
Days with moderate air quality | 87 |
Days w/ poor A.Q. for sensitive groups | 4 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.004% |
Lead | 0.020% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Osage, WY | 47 | 40 | 20.0% |
Hill View Heights, WY | 65 | 44 | 12.0% |
Newcastle, WY | 3,395 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Kenedy, TX | 3,394 | 31 | 38.0% |
North Great River, NY | 3,396 | 43 | 14.0% |
Saint-Pascal, QC | 3,396 | n/a | |
Clayton, DE | 3,393 | 42 | 16.0% |
Frontenac, KS | 3,398 | 37 | 26.0% |
Newcastle, WY | 3,395 | 44 | 12.0% |