| Area   | 
         Middle Klamath  | 
     
     
         | Topic | 
         Temperature: Floating Weekly Average at Dillon Creek 1997-2002 | 
     
 
 
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   Caption:  This Chart shows the floating weekly average water temperatures at lower Dillon Creek (site 10) for the years 1997-2002.  Maximum floating weekly average water temperature (MWAT) exceeded 17.0°C in all years measured, and exceeded 19.0°C in 5 of 6 years, indicating that water temperatures are higher than optimal for juvenile steelhead.  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 Klamath River and its tributaries by the Klamath National Forest and the Karuk Tribe.  
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 temp_md_sis_usfs_knf_97_02_daily.db (size 102,400 bytes)  .
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 tempraw_klam_usfs_knf_97_02.db (size 18,581,504 bytes)