| Area   | 
         Guerneville  | 
     
     
         | Topic | 
         Temperature: Floating Weekly Avg, Jonive Cr Sites, 2000 | 
     
 
 
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   Caption:  This Chart shows the floating weekly average water temperature at three sites in Jonive Creek watershed for the year 2001: Jonive, Redwood, and Sexton.   Maximum floating weekly average water temperatures (MWAT) did not exceed 17.0°C at any of the three sites, indicating that the temperatures in the basin are optimal for salmonids.  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%.  See InfoLinks for more information.  Temperature data comes from automated water temperature data probes placed in the Russian River and its tributaries by the California Department of Fish and Game.
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Info Links .
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 Chart Table web page.
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 temp_cdfg_rus_00_01_daily.db (size 219,136 bytes)  .
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 tempraw_cdfg_rus_00_01.dbf (size 3,718,803 bytes)