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<br />~~ <br />I <br />I <br />, <br />I <br />I <br />I <br />I <br />I <br />I <br />It <br />I <br />-. <br />I <br />I <br />I <br />I <br />I <br />, <br />I <br /> <br />Year <br />1961 <br />1962 <br />1963 <br />1964 <br />1965 <br />1966 <br />1967 <br />1968 <br />1969 <br />1970 <br />1971 <br />1972 <br />1973 <br />1975 <br />1976 <br />1977 <br /> <br />Peak flow <br />Avalanche Gage <br />2270 <br />2620 <br />1410 <br />2240 <br />2780 <br />1250 <br />2580 <br />2690 <br />1930 <br />1980 <br />2140 <br />2080 <br />2980 <br />2580 <br />1910 <br />1730 <br /> <br />Peak flow <br />Placita Gage <br />1500 <br />1680 <br />1260 <br />1490 <br />1710 <br />940 <br />1670 <br />1880 <br />1460 <br />1690 <br />1940 <br />1630 <br />1930 <br />1820 <br />1540 <br />929 <br /> <br />Avalanche Gage <br />Adjusted' to <br />Placita drainage area <br />1596 <br />1842 <br />991 <br />1574 <br />1954 <br />879 <br />1813 <br />1891 <br />1357 <br />1392 <br />1504 <br />1462 <br />2095 <br />1813 <br />1343 <br />1216 <br /> <br />avg,= <br />avg, = <br /> <br />Drainage Area Avalanche Gage = 167 square miles <br />Drainage Area Placita Gage = 107 square miles <br />*Adjustment based on TM.1, CWCS: Ot(u) = (Au/Ag)^,79*Ot(g) <br /> <br />% difference <br />6 <br />10 <br />-21 <br />6 <br />14 <br />-7 <br />9 <br />1 <br />.7 <br />.18 <br />-22 <br />.10 <br />9 <br />o <br />-13 <br />31 <br />-0,88 <br />11,50% <br /> <br />over 16 years <br />each year <br /> <br />The results indicate that over the 16.year period of record, the Avalanche Creek Gage <br />adjusted to the Placita Gage exceeded the Placita Gage discharge 9 times and <br />was lower than the Placita Gage discharge 7 times, averaging a percent diferenc:e each year of 11.5 % <br />However, comparing the entire 16.year period, the average peak discharge varied less than 1% <br />from the determined gage records at Placita. Therefore it was determined that the comparison was <br />reasonable and the Placita Gage records could be extended using the Avalanche Creek gage records <br />adjusted to the Placita Gage, <br />