Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2024
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 (Mar 21 - Jun 30)
Total Number of Fish Observed137
Percent of Total Run Analyzed [Number Observed]100 % [137]
Temperature Tailrace Exposure Index11.33 C
Percent of Fish Exposed [Number Exposed]4.3 % [6]
Number of Days Fish Exposed5
Middle 80% of Run Period (Apr 11 - May 21)
Number of Fish Observed114
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [114]
Temperature Tailrace Exposure Index11.29 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 17 - Apr 23)
Number of Fish Observed74
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [74]
Temperature Tailrace Exposure Index11.42 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMar 31
10% of Run passedApr 11
50% of Run passedApr 21
90% of Run passedMay 21
95% of Run passedJun 9
Last Day of RunJun 30
Date(s) When Temperature Tailrace Crosses 15 C
Jun 13