Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 35°F | 49°F | 41°F | 7.8" |
February | 35°F | 47°F | 40°F | 8.4" |
March | 36°F | 49°F | 41°F | 10.1" |
April | 38°F | 54°F | 45°F | 5.7" |
May | 46°F | 62°F | 53°F | 3.7" |
June | 55°F | 71°F | 62°F | 1.4" |
July | 64°F | 79°F | 71°F | 0.1" |
August | 63°F | 79°F | 70°F | 0.1" |
September | 58°F | 74°F | 65°F | 1.4" |
October | 48°F | 63°F | 54°F | 4.8" |
November | 40°F | 53°F | 46°F | 7.3" |
December | 34°F | 46°F | 39°F | 11.7" |
Index | Valley Ranch | 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% |
Lake Davis, CA | 91 | 44 | 12.0% |
Portola, CA | 1,755 | 44 | 12.0% |
Valley Ranch, CA | 38 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Central, AK | 38 | 38 | 24.0% |
Whelen Springs, AR | 38 | 32 | 36.0% |
McClenney Tract, CA | 38 | 67 | 34.0% |
Sawpit, CO | 38 | 44 | 12.0% |
Coleman, GA | 38 | 40 | 20.0% |
Valley Ranch, CA | 38 | 44 | 12.0% |