Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 35°F | 60°F | 45°F | 6.2" |
February | 38°F | 63°F | 48°F | 5.5" |
March | 40°F | 66°F | 51°F | 5.5" |
April | 42°F | 71°F | 55°F | 2.8" |
May | 47°F | 80°F | 62°F | 0.9" |
June | 52°F | 87°F | 68°F | 0.4" |
July | 56°F | 96°F | 74°F | 0.0" |
August | 54°F | 95°F | 72°F | 0.0" |
September | 50°F | 90°F | 68°F | 0.2" |
October | 45°F | 79°F | 59°F | 2.1" |
November | 40°F | 65°F | 51°F | 3.8" |
December | 35°F | 57°F | 44°F | 7.1" |
Index | Upper Lake | California | National |
Air quality index | 33 | 55 | 42 |
Pollution index | 360,238 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 361 |
Days with good air quality | 334 |
Days with moderate air quality | 27 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.000% |
Lead | 0.002% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Clearlake, CA | 15,329 | 31 | 38.0% |
Soda Bay, CA | 714 | 31 | 38.0% |
Lucerne, CA | 2,674 | 31 | 38.0% |
Clearlake Riviera, CA | 4,408 | 31 | 38.0% |
Nice, CA | 2,407 | 31 | 38.0% |
Upper Lake, CA | 1,250 | 33 | 34.0% |
City | Population | Air Quality Index | National Avg. |
Altoona, AL | 1,250 | 43 | 14.0% |
Westport, IN | 1,250 | 41 | 18.0% |
Pandora, OH | 1,250 | 39 | 22.0% |
Tellico Plains, TN | 1,250 | 30 | 40.0% |
Loyal, WI | 1,250 | 34 | 32.0% |
Upper Lake, CA | 1,250 | 33 | 34.0% |