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<br /> <br />0019~2 <br /> <br />Hi storic Data <br /> <br />Stream temperatures are measured intermittently by the U.S. Geological <br />Survey at most stream-gaging sites at the same time discharge measurements <br />are made, generally every 4 to 6 weeks. Such data were avai lable for <br />34 sites throughout the Yampa River basin for 1960-75. lorns, Hembree, <br />Phoenix, and Oakland (1964) have publ ished data on specific conductance and. <br />major inorganic constituents collected during 1944-58 in the Yampa River <br />basin; a total of 102 samples was collected from 35.sites. <br /> <br />In addition to the above regional data, long-term, site-specific data on <br />stream temperature, specific conductance, and major inorganic constituents <br />are available for sites near the mouths of the Yampaand the Little Snake <br />Rivers, as given below: <br /> <br />Stat Ion <br />identI- <br />fication <br /> <br />Station namel <br /> <br />Stream temperature <br /> <br />09251000 <br /> <br />Vampa Ri ver near <br />Maybel1, Colo. <br /> <br />Daily, 1951-73 water <br />year; continuous, <br />1976 water year <br />to pr~sent. <br /> <br />Dally, 1951-69 water <br />year. <br /> <br />:ontinuous,.1976 <br />water year to <br />present. <br /> <br />09259950 <br /> <br />Little Snake River <br />above Lily, Colo. <br /> <br />Little Snake River <br />near Lily, Colo. <br /> <br />09260000 <br /> <br />ISee also figure 1. <br /> <br />Data availabi.e <br />Specific <br />conductance. <br /> <br />Majbr inorganic <br />constituents <br /> <br />Daily, 1951-73 water <br />year; continuous, <br />1976 water year <br />to present. <br /> <br />Daily, 1951-69 water <br />year. <br /> <br />Continuous, 1976 <br />water year to <br />present. <br /> <br />1951 water year <br />to present. <br /> <br />1951-69 water <br />year. . <br /> <br />1970 water year <br />to present. <br /> <br />The <br />ance <br />ance <br /> <br />daily and continuous stream-temperature and the ~aily <br />data have been analyzed in this report; the continuous <br />data have not been considered. <br /> <br />specific-conductc <br />specific-conduct- <br /> <br />The two above sites on the Little Snake River are within 6 mi (10 km) of <br />each other. These two sites have been considered equivalent for all'data <br />analyses of major inorganic constituents and specific conductance beginning <br />on page'26j the two combined sites are referred to as the Little Snake River <br />near Lily. Approximately 36 samples per year were collected through 1969 at <br />the sites on the Little Snake and the Yampa Rivers; each sample was compos- <br />ited daily for the period of collection. Since 1969, individual monthly <br />samples have been analyzed. <br /> <br />I} <br /> <br />~ <br />