Area	Ukiah
Topic	Temperature: Floating Weekly Avg. at Orrs Creek (70), 1997-2001

 

Caption:  This Chart shows the floating weekly average water temperatures at upper Orrs Creek (site 70, near the Woodland School) for the years 1997-2001. Maximum floating weekly average water temperatures (MWAT) were quite variable from year to year. MWATs exceeded 17.0°C in all five years, and exceeded 19.0°C in four of five years. Based on a review of steelhead growth studies, Sullivan et al. (2000) found that compared to optimum temperatures, an MWAT of 17.0°C reduced steelhead growth by 10%, and an MWAT of 19.0°C reduced growth by 20%. Temperature data comes from automated water temperature data probes placed in the Russian River and its tributaries by Mendocino County Water Agency.

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To download the table with the chart's source data, click tempraw_rus_mcwa_97_01.dbf (size 6,270,984 bytes)
 
 

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