Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 38°F | 26°F | 0.4" |
February | 16°F | 39°F | 27°F | 0.7" |
March | 25°F | 52°F | 37°F | 0.8" |
April | 30°F | 58°F | 43°F | 1.8" |
May | 39°F | 67°F | 52°F | 4.0" |
June | 48°F | 80°F | 64°F | 2.2" |
July | 56°F | 90°F | 73°F | 1.3" |
August | 54°F | 88°F | 70°F | 1.1" |
September | 45°F | 78°F | 60°F | 1.1" |
October | 34°F | 61°F | 46°F | 1.2" |
November | 23°F | 49°F | 35°F | 0.5" |
December | 12°F | 35°F | 24°F | 0.5" |
Index | Sleepy Hollow | Wyoming | National |
Air quality index | 40 | 39 | 42 |
Pollution index | 105,234 | 1,779,975 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 309 |
Days with moderate air quality | 55 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.001% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Antelope Valley-Crestview, WY | 1,498 | 40 | 20.0% |
Gillette, WY | 32,513 | 40 | 20.0% |
Sleepy Hollow, WY | 1,187 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Fanning Springs, FL | 1,187 | 35 | 30.0% |
New Sharon, IA | 1,187 | 39 | 22.0% |
Pickens, MS | 1,187 | 44 | 12.0% |
Glandorf, OH | 1,187 | 39 | 22.0% |
Fairland, OK | 1,187 | 38 | 24.0% |
Sleepy Hollow, WY | 1,187 | 40 | 20.0% |