Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 34°F | 55°F | 44°F | 5.5" |
February | 42°F | 62°F | 51°F | 6.6" |
March | 43°F | 71°F | 56°F | 3.9" |
April | 44°F | 74°F | 58°F | 3.7" |
May | 51°F | 84°F | 67°F | 3.6" |
June | 55°F | 90°F | 72°F | 2.5" |
July | 61°F | 99°F | 79°F | 0.6" |
August | 59°F | 97°F | 77°F | 0.0" |
September | 53°F | 87°F | 68°F | 1.0" |
October | 48°F | 78°F | 61°F | 3.0" |
November | 41°F | 68°F | 53°F | 4.2" |
December | 38°F | 57°F | 47°F | 10.0" |
Index | Rio Oso | California | National |
Air quality index | 44 | 55 | 42 |
Pollution index | 3,319,120 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 239 |
Days with moderate air quality | 124 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.100% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.000% |
Lead | 0.070% |
Mercury | 0.120% |
City | Population | Air Quality Index | National Avg. |
Marysville, CA | 12,467 | 44 | 12.0% |
Linda, CA | 21,842 | 44 | 12.0% |
Nicolaus, CA | 124 | 44 | 12.0% |
Sutter, CA | 2,789 | 44 | 12.0% |
Olivehurst, CA | 15,149 | 44 | 12.0% |
Rio Oso, CA | 414 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Kasigluk, AK | 414 | 31 | 38.0% |
Mayetta, KS | 414 | 41 | 18.0% |
Briarwood, KY | 414 | 49 | 2.0% |
Maceo, KY | 414 | 43 | 14.0% |
Chokio, MN | 414 | 25 | 50.0% |
Rio Oso, CA | 414 | 44 | 12.0% |