Area	Basinwide
Topic	Climate: Annual Rainfall in Fort Ross 1878-2000

 

Caption:  The chart shows annual rainfall in inches in Fort Ross, California from 1872-2000, except for 1875 which was not recorded. Although this gauge is to the south of the Navarro basin, it is a long term continuous record useful for regional analysis of rainfall patterns. Bounding lines show highest (94.75 inches) and lowest rainfall (16.01) totals with red line indicating mean annual rainfall (approximately 43 inches). Wet years are more likely to trigger erosion than dry, although storm intensity and landscape conditions are also significant factors. The rainfall in the earlier periods of record prior to 1920 seems to be consistently higher than rainfall after that period, although the gauge type was changed in 1939 and may be responsible for some of the difference. Major drought cycles are indicated in the late 1920s-early 1930s, 1976-77 and 1987-1994. See Info Links for more information.

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To learn more about this topic click Info Links .
To view additional information (data source, aquisition date etc.) about this page, click Metadata .
To view the table with the chart's data, click Chart Table web page.
To download the table with the chart's data, click rain_fortross.dbf (size 5,346 bytes) .
To view the table with the chart's source data, click Source Table web page.
To download the table with the chart's source data, click rainfall_gualala.dbf (size 5,193 bytes)
 
 

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