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<br />:-,~'~,Y-'7--r>;::-' . <br />, <br /> <br />-~-~--- ---_._---~.-_----------~-.._- <br />' , <br /> <br />, <br />" <br /> <br />, , Page 5 " <br /> <br />ANALYSIS AND DISCUSSION <br /> <br />'-, <br /> <br />, , <br />.. -. - <br />. ',. . - . , <br />'P~ecipitati~Il' patterns are by nature quite variable, not only <br /> <br />.. . . <br />. -' . <br />... . <br />from season to' season and place to place, but also at a single <br /> <br />',iocatio~ from' storm to storm. <br /> <br />Thus an individual storm can <br /> <br />cause heavy moisture iri one area, and yet produce little or no <br /> <br />precipitation in adjacent areas. An examination of the precipi;.. <br /> <br />taticm pattern' for a longer period ;tends to smooth' out these <br /> <br />riat~ral single storm variations. <br /> <br />Relating the actual precipitation <br /> <br />',to th'ehistorical longterm normal amounts for each given location <br /> <br />'also ,aids in, nunimizing natural influences such as topography, <br /> <br />lake effects, etc. In this way, comparisons between contract <br /> <br />areas 'and those outside become more meaningful. <br /> <br />Figurel'depictsthe precipitation distribution i~ Colorado for <br /> <br />the 24 January - 23 April period during which the Grand Mesa <br /> <br />. , <br />, , <br />project was operational. The actual precipitation has been <br /> <br />expressed as' a percent of normal for the reasons given in the',' <br /> <br />above paragraph. <br /> <br />The model plotted at each official reporting <br /> <br />station in Figure I is as follows: <br /> <br />''-..' <br /> <br />Actual Precipitation <br />Normal Precipitation <br /> <br />. <br /> <br />Percent of Normal Precipitati'on <br /> <br />It is readily apparent from Figure I that most of western Colorado <br /> <br />,enjoyed above average precipitation for the three month period. <br />