The wettest year was 1918 with 10.99 inches (27.9 cm) and the driest year was 1904 with 0.80 inches (2.0 cm).
The settlement of Barstow began in the late 1830s in the Mormon Corridor.
Every fall and winter, as the weather cooled, the rain produced new grass growth and replenished the water sources in the Mojave Desert.
Barstow is almost exactly midway between Los Angeles, California (130 miles (210 km) southwest) and Las Vegas, Nevada (125 miles (201 km) northeast).
Barstow is home to Marine Corps Logistics Base Barstow and is the closest city to the Fort Irwin National Training Center.
Barstow is named after William Barstow Strong, former president of the Atchison, Topeka and Santa Fe Railway. Summer days are very hot, with highs typically exceeding 100 °F (38 °C).
Winter, in contrast, is characterized by cold mornings, with lows near 30 °F (−1 °C).
Daily temperature ranges are large as a result of the low atmospheric moisture, typically between 30 and 35 F (16–18.5 C) difference.
In January, the normal high temperature is 61 °F (16 °C) with a low of 37 °F (3 °C).
The average annual precipitation is There are an average of 24 days annually with measurable precipitation.