Sonora, CA
| City of Sonora | |
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| City | |
The old city hotel on South Washington Street
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 Location in Tuolumne County and the state of California |
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 City of Sonora
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| Coordinates: 37°59′4″N 120°22′54″W / 37.98444°N 120.38167°WCoordinates: 37°59′4″N 120°22′54″W / 37.98444°N 120.38167°W | |
| Country | United States |
| State | California |
| County | Tuolumne |
| Incorporated | May 1, 1851 |
| Area | |
| • Total | 3.078 sq mi (7.972 km2) |
| • Land | 3.064 sq mi (7.936 km2) |
| • Water | 0.014 sq mi (0.036 km2) 0.45% |
| Elevation | 1,785 ft (544 m) |
| Population (April 1, 2010) | |
| • Total | 4,903 |
| • Density | 1,600/sq mi (620/km2) |
| Time zone | Pacific (UTC-8) |
| • Summer (DST) | PDT (UTC-7) |
| ZIP codes | 95370, 95373 |
| Area code | 209 |
| FIPS code | 06-72674 |
| GNIS feature IDs | 1659815, 2411930 |
| Website | www |
Sonora is the county seat of Tuolumne County, California. The city population was 4,903 during the 2010 Census, up from 4,423 during the 2000 Census. Sonora is the only incorporated community in Tuolumne County.
Sonora is located at 37°59′04″N 120°22′54″W / 37.984361°N 120.381767°W, around the intersection of California State Highways 49 and 108 The altitude is 1,825 feet (556 m). According to the United States Census Bureau, the city has a total area of 3.1 square miles (8.0 km2), 99.55% of it land and 0.45% of it water.
Sonora has cool, wet winters and hot, mostly dry summers. Average January temperatures are a maximum of 54.5 °F (12.5 °C) and a minimum of 33.5 °F (0.8 °C). Average July temperatures are a maximum of 94.6 °F (34.8 °C) and a minimum of 58.8 °F (14.9 °C). There are an average of 75.5 days annually with highs of 90 °F (32 °C) or higher and an average of 52.2 days annually with lows of 32 °F (0 °C) or lower. The record high temperature was 113 °F (45 °C) on June 22, 1961, and July 15, 1972. The record low temperature was 8 °F (−13 °C) on December 9, 1972.
Average annual rainfall is 32.07 inches (815 mm), almost all from November through April, although there are very occasionally afternoon and evening thunderstorms in the summer months, which drift down from the Sierra Nevada. There are an average of 60 days annually with measurable precipitation. The wettest “rain year” has been from July 1994 to June 1995 with 56.40 inches (1,432.6 mm) and the driest from July 1975 to June 1976 with 15.26 inches (387.6 mm). The most rainfall in one month was 21.69 inches (551 mm) in December 1955, including 7.10 inches (180.3 mm) on December 27, the record 24-hour rainfall. Average annual snowfall is only 4.7 inches (0.12 m). The most snowfall in one month was 30.5 inches (0.77 m) in January 1933. The Köppen Climate Classification subtype for this climate is Csa (Mediterranean climate).
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