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<br />List of Fi'lures <br /> <br />Figure <br /> <br />Page <br /> <br />1. Locations of primary precipitation <br />measurement si tes used to generate the <br />1951-1980 Colorado avera>Je annual <br />precipitation map......................................... 9 <br /> <br />2. Locations of secondary precipitation <br />measurement sites used to generate the <br />1951-1980 Colorado avera[je annual <br /> <br />precipitation map.........................,............... 10 <br /> <br />3. Twenty-five statE! cl imatic d'ivisions <br />(Doesken et al., 1983) used for grouping <br />climatically similar stations when <br />performing "normal-ratio" ad;iustments <br />to estimate missing monthly precipitation.................. 13 <br /> <br />4. Seven regions used for grouping stations <br />when performing "rati 0 adjustment" to <br />adjust short record stations (15-24 years) <br />to the 1951-1980 base period................. ..... ..., .... 14 <br /> <br />5. The relationship with elevation of the <br />ratio of winter (October-April) precipitation <br />to April 1 snowpack water content in the <br /> <br />Colorado Rock i es. . . . . . . . . . . . . .. . . .. . ..... . ,. . . . . . . . . .. . ... 17 <br /> <br />6. Areas where the new 1951-1980 isohyetal <br />map differs from the original 1931-1960 <br /> <br />analysis..................................,............... 24 <br /> <br />7. Cumulative distribution function of annual <br />precipitation for Fort Collins, Colorado, <br />for the period 1951-1970. The dots <br />I^epresent the empirical distribution while <br />the smoothed curve is deri vecl form the <br />Gamma functi on fi t to the data poi nts... . .. . ... . . . . .. . .. .. 32 <br /> <br />8. The ratio of the median annual precipitation <br />(nonexceedance probabil ityof 0.5 based on <br />1951-1970 Gamma fitted data) to the average <br />annual precipitation 1951-1980 for selected <br />Colorado locations. This ratio is defined <br /> <br />as factor M..........................................,.... 33 <br /> <br />iv <br />