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Caption: This Chart shows the daily minimum, maximum, and average water temperature in Celsius (°C) at Graham Creek for the year 2002. Water temperatures were partially above the optimum range for juvenile salmonids from May through mid-September. Diurnal range was extremely low, less than 1°C. The reference value of 10-15.6°C optimum temperature range for juvenile salmonid rearing is based on McCullough (1999). See Info Links for more information. Temperature data come from automated water temperature data probes placed in Sonoma Creek and its tributaries by the Sonoma Ecology Center (SEC).
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