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Sonoma County, California, United States (38.51108 -122.84734)
Sonoma County, as is often the case with coastal counties in California, has a great degree of climatic variation and numerous, often very different, microclimates. Key determining factors for local climate are proximity to the ocean, elevation, and the presence and elevation of hills or mountains to the east and west. This is in large part due to the fact that, as throughout California, the prevailing weather systems and wind come normally from the Pacific Ocean, blowing in from the west and southwest so that places closer to the ocean and on the windward side of higher elevations tend to receive more rain from autumn through spring and more summer wind and fog. This itself is partly a result of the presence of high and low pressures in inland California, with persistent high summer temperatures in the Central Valley, in particular, leading to low pressures, drawing in moist air from the Pacific, cooling into damp cool breezes and fog over the cold coastal water. Those places further inland and particularly in the lee of significant elevations tend to receive less rain and less, in some cases no, fog in the summer.
Central Valley, West Rindge Road, Blackslough Landing, San Joaquin County, California, 95201, United States (38.00000 -121.40000)
Coordinates: 37.99995 -121.40005 38.00005 -121.39995 - Minimum elevation: -33 ft - Maximum elevation: 122 ft - Average elevation: -10 ft
Marine Corps Base Camp Pendleton, San Diego County, California, 92051, United States (33.35453 -117.42417)
Coordinates: 33.20557 -117.59624 33.50369 -117.25542 - Minimum elevation: 0 ft - Maximum elevation: 3,160 ft - Average elevation: 571 ft
Angeles National Forest, Mecca Avenue, Tarzana, Los Angeles, Los Angeles County, California, 91356, United States (34.61693 -118.59036)
Coordinates: 34.13965 -118.83539 34.75265 -117.58447 - Minimum elevation: 0 ft - Maximum elevation: 10,001 ft - Average elevation: 2,343 ft
Owens River Los Angles aquaduct intake, Inyo County, California, United States (36.97429 -118.21099)
Coordinates: 36.97424 -118.21104 36.97434 -118.21094 - Minimum elevation: 3,795 ft - Maximum elevation: 6,310 ft - Average elevation: 4,117 ft