Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 58°F | 46°F | 2.6" |
February | 39°F | 64°F | 51°F | 2.0" |
March | 43°F | 70°F | 56°F | 2.0" |
April | 46°F | 76°F | 60°F | 1.5" |
May | 51°F | 84°F | 66°F | 0.3" |
June | 56°F | 92°F | 73°F | 0.2" |
July | 59°F | 97°F | 77°F | 0.1" |
August | 59°F | 95°F | 76°F | 0.1" |
September | 56°F | 92°F | 72°F | 0.2" |
October | 49°F | 81°F | 64°F | 0.7" |
November | 41°F | 68°F | 54°F | 1.2" |
December | 36°F | 58°F | 47°F | 2.5" |
Index | Mountain Ranch | California | National |
Air quality index | 39 | 55 | 42 |
Pollution index | 1,947,800 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 331 |
Days with moderate air quality | 33 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Murphys, CA | 1,944 | 39 | 22.0% |
Martell, CA | 113 | 39 | 22.0% |
Red Corral, CA | 1,557 | 39 | 22.0% |
Angels, CA | 3,889 | 39 | 22.0% |
Columbia, CA | 2,086 | 39 | 22.0% |
Mountain Ranch, CA | 318 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Red Cliff, CO | 318 | 47 | 6.0% |
Redvale, CO | 318 | 44 | 12.0% |
Dupont, IN | 318 | 35 | 30.0% |
McCune, KS | 318 | 38 | 24.0% |
San Mar, MD | 318 | 40 | 20.0% |
Mountain Ranch, CA | 318 | 39 | 22.0% |