The wettest year was 1995 with 26.62 inches (676.1 mm) and driest year was 2007 with 10.57 inches (268.5 mm).
The most rainfall in one month was 11.79 inches (299.5 mm) in December 2005, which included the 24-hour maximum rainfall of 3.95 inches (100 mm) on December 31.
Official data from the National Weather Service cooperative station in Concord shows average January temperatures are a maximum of 57.2 degrees Fahrenheit (14.0 degrees Celsius) and a minimum of 41.6 °F (5.3 °C).
Average July temperatures are a maximum of 87.8 °F (31.0 °C) and a minimum of 58.2 °F (14.6 °C).
It achieved prominence in the 19th century as a result of most residents of Pacheco relocating to Concord to avoid the devastation of fire and flood which crippled Pacheco's formerly booming economy. The area around Concord in the surrounding Ygnacio and Clayton Valleys was a large agricultural area.
Crops that were grown included grapes, walnuts, wheat, hay, and even tomatoes.
The town of Cowell, now incorporated into Concord, produced cement. The munitions on board a Navy cargo ship exploded while being loaded during World War II, resulting in the largest number of casualties among African Americans in any one incident during that war.
Despite this, some crime and homelessness remain issues in the downtown area.
Future Supreme Court Justice Thurgood Marshall sat in on most of the proceedings and declared that he saw a prejudiced court. The population density was 3,996.2 people per square mile (1,542.9/km²).
The racial makeup of Concord was 78,767 (64.5%) White, 4,371 (3.6%) African American, 852 (0.7%) Native American, 13,538 (11.1%) Asian (4.4% Filipino, 2.4% Chinese, 1.3% Indian, 0.7% Vietnamese, 0.6% Japanese, 0.6% Korean), 816 (0.7%) Pacific Islander, 15,969 (13.1%) from other races, and 7,754 (6.4%) from two or more races.
The southeastern area of the city, centered along Clayton Road, is primarily residential and was mostly developed in the 1960s and 1970s.
In the southwest area of the city is the primarily Latino neighborhood known as Four Corners, centered around the intersection of Monument Boulevard and Oak Grove Road.
The North Concord BART station is also known as Martinez BART.