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<br />Temperature records froD Station SlIfJffiit were used for the period July 1, <br />1909, to December 31, 1917. No records are available for the next 14 <br />years. From August 1,1952, dataare from Station Soda Springs. <br /> <br />Snm\pack data \-.-ere all taken from the Laboratory. Tne data include 27 <br />\"inters bebieen 1945-46 and 1975-76. Measurements \....ere not F!Clde during <br />the neriod 1952-53 to 1955-56. <br /> <br />The \\cater year used in this report covers the period frOCl October 1 to <br />Jlme 30. ~ data for the summer months are included in this analysis. <br />\',hile this has little effect on annual precipitation, it does result in <br />colder annual temperatures. <br /> <br />Precipitation varies frCEl year to year. The 76-year mean of 50.6 <br />inches (128.5 cn) is bounded by a maximum of 81.8 inches (207.7 em) and <br />a rninirum of 18.9 inches (48.0 em) \....it.~ a standard deviation of 16 inches <br />(40.6 011.). T\ienty-four of the 76 years had precipitation of less than <br />40 in~hes (101.6 em), 34 years had from 40 to 60 inches (101.6 em to <br />152.4 an), and 15 years had precipitation anlOl.m.ts from 60 to 80 inches <br />(152.4 to 203.2 m.). Only one year }l.ad precipitation belm-; 20 inches <br />(50.8 em); and in only t\...D years WaS precipitation recorded In excess of <br />80 inches (203.2 em). <br /> <br />Annual precipitation recorded at the beginning of the century was hem;"y, <br />followed by a period of less than mean precipitation from 1910 to 1948. <br />A relatively \....et period occurred from 1949 to 1975. Although one may <br />be tempted to speculate that the two dry years (1975-76 and 1976-77) <br />suggest the beginning of another dry period, the data base is not adequate <br />to make such a speculation. <br /> <br />Perhaps the most one can say from evaluation of the annual precipitation <br />data is that in 43 out of 76 years (57 percent) subnoTInal precipitation <br />occurred. These are years L~ which increased Wa.ter supplies from <br /> <br />-19- <br />