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 - Nov 24)
Total Number of Fish Observed146
Percent of Total Run Analyzed [Number Observed]100 % [146]
Temperature Tailrace Exposure Index11.71 C
Percent of Fish Exposed [Number Exposed]8.9 % [13]
Number of Days Fish Exposed10
Middle 80% of Run Period (Apr 12 - Jun 9)
Number of Fish Observed118
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [118]
Temperature Tailrace Exposure Index11.42 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 17 - Apr 27)
Number of Fish Observed76
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [76]
Temperature Tailrace Exposure Index11.4 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 12
50% of Run passedApr 21
90% of Run passedJun 9
95% of Run passedJul 3
Last Day of RunNov 24
Date(s) When Temperature Tailrace Crosses 15 C
Jun 13, Oct 30