| Area   | 
         S.F. Trinity  | 
     
     
         | Topic | 
         Temperature: Maximum Hayfork @ 3 Hayfork Locations 1995 | 
     
 
 
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   Caption:  Maximum water temperature measurements in Hayfork Creek in 1995 show a major increase in a downstream direction. While upper Hayfork Creek only exceeded stressful thresholds for salmonids for brief periods, maximum water temperatures near Hyampom consistently remained above stressful from June-September. Lower Hayfork is Hyampom, Mid-Hayfork is at Deep Gulch above Hayfork Valley and Upper is above Wildwood. Data collected by the Trinity County RCD and Weaverville office of the USDA Natural Resources Conservation Service.
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