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Show REPORT OF DBOUTH MSRCMCY IN HiB ST& TE 01 UTAH FOR 1934 lo INTRODUCTION: Stat © of Utah - General Data*. Population; 507,847 - 1930 censuso Average annual precipitation: IE. 97 inchesc Irrigated acreage: ls500^ 000 acres. On all of this acreage water must be applied artificially to produce any crop whatsoevero To supply this acreage an average of 4,000,000 acre- feet of water must be diverted annually into irrigation canalso Agriculture in the Stat © of Utah is absolutely dependent upon irrigation and th © value of agricultural products raised within the State varies in direct proportion to the amount of water available for irrigation ® acb. seasono IIo IMgB.^ FLY^ OR IBRLQATLOlh Water, available for irrigation, is normally obtained from the following sources; lo Natural summer flow of mountain rivere acd streams « , go Storage of winter flow and spring run- off in natural or artificial reservoirso ' dc IT largrouiid water in artesian basins product ;.„ :. jawing wells or pumping wellse Approximately 75^ of irrigation water is obtained from the natural flow of mountain streamso Storage in reservoirs and water from wells is used to supplement the natural flow of the streamso The quantity of water a mountain stream will furnish during the irrigation season ' depends upon the, amount of snow cover which has accumulated In the mountains-. during the winter months and upon the- rapidity with which this snow is molted by the rising summer temperature So During. the past five years precipitation has been considerably- below normal,, The sinter of 1933- 1934 has been mild and firy0 It has been the warmest winter of record in " uhe history of th © State, the average daily temperature from December to April inclusive being 7o0 degrees above- normal © Consequently the irrigation season opens *? ith no snow on the lower slopes end but little on th © higher courses of the watershedso There has been no spring flush flow in mny of the streams and consequently no water to fill empty reservoirso Late summer flow, so vitally important, will be from nothing to 5jf of normals |