Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2021
ProjectLower Monumental
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 12 - Nov 5)
Total Number of Fish Observed214
Percent of Total Run Analyzed [Number Observed]100 % [214]
Temperature Tailrace Exposure Index12.07 C
Percent of Fish Exposed [Number Exposed]0.9 % [2]
Number of Days Fish Exposed2
Middle 80% of Run Period (Apr 23 - May 20)
Number of Fish Observed178
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [178]
Temperature Tailrace Exposure Index12.05 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 1 - May 10)
Number of Fish Observed109
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [109]
Temperature Tailrace Exposure Index12.32 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 12
5% of Run passedApr 21
10% of Run passedApr 23
50% of Run passedMay 7
90% of Run passedMay 20
95% of Run passedMay 24
Last Day of RunNov 5
Date(s) When Temperature Tailrace Crosses 15 C
Jun 8, Oct 27