Columbia Basin Performance Measures

Sample Exposure Summary Table for Multiple Years


Wild Snake R Fall Chinook ESU Exposure Summary Table:
Project Lower Granite,
River Parameter Temperature,
Critical Temperature Value 15 C,
Exposure Calculated Above Critical Value

Click on Graph button to view exposure graph. (deactivated)
Year 2004
Total Run Period (May 2 - Oct 29)
Total Number of Fish 2022
Percent of Total Run Analyzed [Number ]100 % [2022]
Temperature Exposure Index18.14 C
Percent of Fish Exposed [Number Exposed]81.7 % [1652]
Number of Days Fish Exposed96
Middle 80% of Run Period (Jun 14 - Jul 19)
Number of Fish 1624
Percent of Middle 80% of Run Analyzed [Number ]100 % [1624]
Temperature Exposure Index18.49 C
Percent of Fish Exposed [Number Exposed]89.7 % [1458]
Number of Days Fish Exposed34
Run Dates
First Day of RunMay 2
5% of Run passedJun 11
10% of Run passedJun 14
50% of Run passedJun 26
90% of Run passedJul 19
95% of Run passedAug 22
Last Day of RunOct 29
Date(s) When Temperature Crosses 15 C
Jun 16, Oct 22


Year 2003
Total Run Period (May 3 - Oct 19)
Total Number of Fish 1132
Percent of Total Run Analyzed [Number ]100 % [1132]
Temperature Exposure Index17.75 C
Percent of Fish Exposed [Number Exposed]83.2 % [942]
Number of Days Fish Exposed63
Middle 80% of Run Period (Jun 8 - Jul 12)
Number of Fish 922
Percent of Middle 80% of Run Analyzed [Number ]100 % [922]
Temperature Exposure Index17.93 C
Percent of Fish Exposed [Number Exposed]90.8 % [838]
Number of Days Fish Exposed30
Run Dates
First Day of RunMay 3
5% of Run passedJun 3
10% of Run passedJun 8
50% of Run passedJun 28
90% of Run passedJul 12
95% of Run passedJul 17
Last Day of RunOct 19
Date(s) When Temperature Crosses 15 C
Jun 13


Year 2002
Total Run Period (May 30 - Sep 30)
Total Number of Fish 493
Percent of Total Run Analyzed [Number ]100 % [493]
Temperature Exposure Index18.22 C
Percent of Fish Exposed [Number Exposed]87.2 % [430]
Number of Days Fish Exposed48
Middle 80% of Run Period (Jun 24 - Jul 22)
Number of Fish 414
Percent of Middle 80% of Run Analyzed [Number ]100 % [414]
Temperature Exposure Index18.22 C
Percent of Fish Exposed [Number Exposed]93.2 % [386]
Number of Days Fish Exposed27
Run Dates
First Day of RunMay 30
5% of Run passedJun 22
10% of Run passedJun 24
50% of Run passedJul 6
90% of Run passedJul 22
95% of Run passedJul 27
Last Day of RunSep 30
Date(s) When Temperature Crosses 15 C
Jun 26


Year 2001
Total Run Period (May 16 - Oct 29)
Total Number of Fish 198
Percent of Total Run Analyzed [Number ]100 % [198]
Temperature Exposure Index21.35 C
Percent of Fish Exposed [Number Exposed]96.4 % [191]
Number of Days Fish Exposed53
Middle 80% of Run Period (Jun 24 - Aug 13)
Number of Fish 163
Percent of Middle 80% of Run Analyzed [Number ]100 % [163]
Temperature Exposure Index22.02 C
Percent of Fish Exposed [Number Exposed]100 % [163]
Number of Days Fish Exposed38
Run Dates
First Day of RunMay 16
5% of Run passedJun 13
10% of Run passedJun 24
50% of Run passedJul 7
90% of Run passedAug 13
95% of Run passedAug 16
Last Day of RunOct 29
Date(s) When Temperature Crosses 15 C
May 26, May 30, May 31, Jun 2, Jun 6, Jun 9, Jun 13,
Jun 17, Jun 19, Oct 21