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North Fork Battle |
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Temperature: Average at North Fork Battle at Mouth, 1998-2001 |
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Caption: This Chart shows average daily water temperatures at North Fork Battle near its mouth for the year 1998-2001. During the period June 15-30, average temperature exceeded 62°F in two of three years, indicating that winter-run chinook eggs would experience 100% mortality. During the period July 1 to September 14, average temperature exceeded 66.2°F in two of four years, indicating that spring-run chinook adults holding at the site would be unable to successfully spawn. During the period September 15-30, average temperature did not exceed 62°F, indicating that the site was suitable for spring-run chinook eggs in all years. Reference values were taken from Armour (1991), Berman (1990; as cited in USFWS 1996b), USBR (1991), and CDFG (1998b). See Info Links for more information.
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temp_bat_dwr_nf_98_01_daily.db (size 167,936 bytes) To download the table with the chart's data as an Excel spreadsheet, click
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