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The greatest rainfall in one month was 14.50 inches (368 mm) in January 1969, including a record 24-hour rainfall of 6.71 inches (170.4 mm) on January 20 that month. [ 44 ] [ 45 ] In San Fernando Valley, the highest recorded temperature was 121 °F (49 °C) on September 5, 2020. [ 35 ]
Köppen climate types of California, using 1991–2020 climate normals. Golden Gate Bridge in fog Snow in the mountains of Southern California Summer in the Sierra Nevada at Lake Tahoe High precipitation in 2005 caused an ephemeral lake in the Badwater Basin of Death Valley.
The climate of San Diego, California, is classified as a hot-summer Mediterranean climate (Köppen climate classification Csa).While the basic climate features hot, sunny, and dry summers, and cooler, wetter winters, San Diego is more arid than the typical Mediterranean climate and consists of relatively dry winters compared to other zones with this type of climate. [2]
According to the website, each monthly issue "contains monthly mean temperature, pressure, precipitation, vapor pressure, and sunshine for approximately 2,000 surface data collection stations worldwide and monthly mean upper air temperatures, dew point depressions, and wind velocities for approximately 500 observing sites.
Climate charts provide an overview of the climate in a particular place. The letters in the top row stand for months: January, February, etc. The bars and numbers convey the following information: The blue bars represent the average amount of precipitation (rain, snow etc.) that falls in each month.
Despite the popular image of California as a place of sunshine and perfect weather, the local climate can be very diverse, with some areas experiencing more extreme conditions. However, the weather in the region is usually mild, especially in the winter, and dry, with rainfall ranging from moderate in the coastal regions to almost none at all ...
Research has shown human-caused climate change has already led to more frequent and bigger wildfires – a trend expected to continue. FEMA’s data reflects this: The agency's projections show ...
Within the stations, all of them have at least 10 years of data, 2/5 have more than 50 years of data, and 1/10 have 100 years of data. [3] Version 1, or more commonly notated as V1 was the collection of monthly mean temperatures from 6,000 stations. There were, as of 2022, 3 subsequent versions of the GHCN – M have been created as described ...