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Scientific Investigations Report 2008-5070

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008-5070

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Table 6. Inflowing laterals to the Roza–Prosser Reach, Washington, where regression equations were developed to estimate water temperature.

[Locations of sites are shown in figure 10. Ta, daily mean air temperature at Harrah, Wash., in degrees Celsius; Tw, daily mean water temperature, in degrees Celsius]

Site description Regression equations R2
Wide Hollow Creek near mouth Tw = (0.5768*Ta) + 20.8 0.9115
Lateral 1 near the Donald-Wapato Road, near Wapato Tw = (1.1037*Ta) + 26.4 .8797
East Toppenish Drain at Wilson Road, Station No. 12505350 Tw = (0.5567*Ta) + 20.6 .8308
Sub-Drain No. 35 at Parton Road, Station No. 12505410 Tw = (0.5074*Ta) + 20.1 .8738
Marion Drain at Indian Church Road, at Granger, Station No. 12505510 Tw = (0.7477*Ta) + 23.1 .8634
Toppenish Creek at Indian Church Road, Station No. 12507508 Tw = (1.0704*Ta) + 22.0 .8769
Coulee Drain near Satus Road Crossing Tw = (0.7312*Ta) + 22.8 .8363
Satus Creek at Satus (at gage), Station No. 12508620 Tw = (0.8225*Ta) + 23.4 .8519
South Drain near Satus, Station No. 12508630 Tw = (0.915*Ta) + 24.5 .8979
DID No. 7 Drain Tw = (0.9929*Ta) + 24.3 .8092
Satus Drain 303 + Mabton West Wasteway at Highway 22 Tw = (1.1977*Ta) + 27.5 .7853

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