| Area | Mainstem Klamath |
| Topic | Temperature: MWAT at Many Mainstem Klamath Sites by Year 1997-2002 |
| Caption: This Chart shows maximum floating weekly average temperature (MWAT) for various river miles (RM) along the Klamath River with available data in the years 1997-2002. Sites are listed in upstream order. MWAT exceeded 22.0°C at all sites in all years, indicating that peak summer temperatures in the Klamath River are likely too warm to support juvenile steelhead growth except for in coldwater refugia at the mouths of tributaries. Based on a review of steelhead growth studies, Sullivan et al. (2000) found that compared to optimum temperatures, an MWAT of 17.0°C reduced steelhead growth by 10%, and an MWAT of 19.0°C reduced growth by 20%. See Info Links for more information. Data were provided by the Klamath National Forest and the Karuk Tribe. | |
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To view the table with the chart's data, click Chart Table web page.
To download the table with the chart's data, click temp_mk_knf_mwat_97_02.dbf (size 3,038 bytes) .
To view the table with the chart's source data, click Source Table web page.
To download the table with the chart's source data, click temperature_proxy.dbf (size 80 bytes)
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