Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 15°F | 41°F | 26°F | 13.4" |
February | 19°F | 45°F | 30°F | 13.5" |
March | 22°F | 49°F | 35°F | 8.0" |
April | 26°F | 55°F | 39°F | 5.9" |
May | 30°F | 64°F | 47°F | 4.9" |
June | 36°F | 74°F | 56°F | 3.2" |
July | 41°F | 82°F | 63°F | 6.3" |
August | 39°F | 81°F | 61°F | 3.8" |
September | 34°F | 75°F | 55°F | 3.6" |
October | 27°F | 63°F | 43°F | 11.2" |
November | 22°F | 51°F | 35°F | 6.3" |
December | 16°F | 41°F | 27°F | 10.8" |
Index | Iron Horse | California | National |
Air quality index | 44 | 55 | 42 |
Pollution index | 26,667,300 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 361 |
Days with good air quality | 273 |
Days with moderate air quality | 83 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.360% |
Benzene | 0.250% |
Carbon Tetrachloride | 0.100% |
Lead | 0.250% |
Mercury | 0.260% |
City | Population | Air Quality Index | National Avg. |
Sierraville, CA | 166 | 44 | 12.0% |
Clio, CA | 184 | 44 | 12.0% |
Gold Mountain, CA | 75 | 44 | 12.0% |
Mabie, CA | 72 | 44 | 12.0% |
Valley Ranch, CA | 38 | 44 | 12.0% |
Iron Horse, CA | 290 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
San Miguel, AZ | 290 | 31 | 38.0% |
Alma, CO | 290 | 47 | 6.0% |
Offerle, KS | 290 | 15 | 70.0% |
Queen Anne town, MD | 290 | 36 | 28.0% |
Newburg, MO | 290 | 39 | 22.0% |
Iron Horse, CA | 290 | 44 | 12.0% |