Ciudad Obregón | ||
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City | ||
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Location of Ciudad Obregon in Mexico | ||
Coordinates: 27°29′21″N 109°56′06″W / 27.48917°N 109.93500°W | ||
Country | Mexico | |
State | Sonora | |
Municipality | Cajeme | |
Founded | 1927 | |
Government | ||
• Type | Ayuntamiento | |
• Municipal President | Faustino Félix Chavez | |
Elevation | 40 m (130 ft) | |
Population (2010) | ||
• Total | 405,000 | |
Demonym(s) | Obregonense | |
Time zone | MST (UTC-7) | |
ZIP code | 85000 - 85059 | |
Area code(s) | 644, | |
Website | http://www.obregon.gob.mx |
Ciudad Obregon (Spanish pronunciation: [sjuˈðað oβɾeˈɣon]) is the second largest city in the northern Mexican state of Sonora and named for Sonoran revolutionary general and president of Mexico, Álvaro Obregón. It is situated 525 km (326 mi) south of the state's northern border with the U.S. state of Arizona. It is also the municipal seat of Cajeme municipality, located in the Yaqui Valley.
The city, previously named Cajeme, takes its name from Mexican Revolutionary Álvaro Obregón, a native of nearby Huatabampo, Sonora. Álvaro Obregón became president of Mexico after the Revolution and initiated an "agricultural revolution" in the Yaqui Valley, introducing modern agricultural techniques and making this valley one of the most prosperous agricultural regions in the country. Renowned U.S. agronomist Dr. Norman Borlaug, the architect of the "Green Revolution" worked here after successful developments in increasing the resistance of wheat. For his efforts he was later awarded the Nobel Prize.
Ciudad Obregón has a desert climate (Köppen BWh) featuring long, extremely hot summers and short, warm winters with cool mornings. It is frequent that in summer the temperature reach 40 °C (104.0 °F) or more, with overnight lows greater than 24 °C (75 °F) and sometimes reaching 30 °C (86 °F). Sunny skies and clear nights can be expected through all the year. Many severe thunderstorms with sandstorms reach the region in summer. Rainfall is scarce but it is more prominent it the summer. In the winter, daytime temperatures can be hotter than 26 °C (79 °F) but at night the temperature can fall to 2 °C (36 °F). Snow in Ciudad Obregón is nonxesistent, but hailstorms can occur during cold fronts.