2008 USFWS / IDP Aerial Snake River Fall Chinook Redd Surveys  
Unofficial Data Summary By Flight Date  
   
   
   
   
Flight Date 20-Oct 27-Oct 3-Nov 10-Nov 17-Nov 24-Nov 1-Dec  
Total Redd Count 22 190 548 216 51 105 54  
Total Redd Count Downstream of Salmon River (RM 145.0 - RM 188.3) 16 80 157 47 5 96 44  
Total Redd Count Upstream of Salmon River (RM 188.3 - RM 247.5) 6 110 391 169 46 9 10  
Total Number Potential New Redds (Starts) 7 34 39 2 0 1 1  
Total Number Live Fish Observed 5 20 89 91 21 8 1  
Total Number Kelts (Carcasses) Observed 0 0 4 8 7 2 8  
Start Time (Hangar) 8:20 8:55 9:37 9:15 9:24 9:26 9:07  
End Time (Hangar) 11:37 11:59 13:10 12:32 11:59 12:32 12:04  
River Mile Start 145.0 145.0 145.0 145.0 145.0 145.0 145.0  
River Mile End 247.5 247.5 247.5 247.5 *228.3 **243.0 ***226.5  
Aircraft Vendor Hillcrest Hillcrest Hillcrest Hillcrest Hillcrest Hillcrest Hillcrest  
Aircraft Type Bell-Jet Ranger Bell-Jet Ranger Bell-Jet Ranger Bell-Jet Ranger Bell-Jet Ranger Bell-Jet Ranger Bell-Jet Ranger  
Pilot Keith White Stu Taft Stu Taft Stu Taft Stu Taft Stu Taft Keith White  
Observer 1 P. Groves P. Groves P. Groves P. Groves P. Groves P. Groves P. Groves  
Observer 2 S. Bradbury S. Bradbury S. Bradbury S. Bradbury S. Bradbury S. Bradbury S. Bradbury  
Observer 3 N/A N/A N/A N/A N/A N/A N/A  
Weather Ptly Cldy Clear Cloudy Cloudy Ptly Cldy Clear Clear/Fog  
Flow at Anatone (c.f.s.) 14900 14800 15500 15700 17500 15300 15700  
Flow at Hells Canyon Dam (c.f.s.) 9036 9115 9010 8983 8725 8784 8723  
Observation Rating:  Asotin to Grande Ronde River Good Good Good Fair Poor Good Good  
Observation Rating:  G.R. River to Salmon River Good Good Good Fair Poor Good Good  
Observation Rating:  Salmon River to H.C. Dam Good Good Good Good Good Good Good  
   
   
Notes:   On November 3, Asotin Creek was surveyed from the mouth upstream 7.5 miles.  No redds or fish were observed. (See additional worksheet)
   
  *  On November 17, the flight was terminated at RM228.3 due to high winds.  
   
  ** On November 24, the flight was terminated at RM243.0 due to high winds.  
   
  *** On December 1, the flight was terminated at RM226.5 due to fog.  Asotin Creek was surveyed from the mouth upstream 4.7 miles.  
  One fish and three redds were observed (see additional worksheet).