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<br />, <br /> <br />, G'tn,~4~l <br />. <br /> <br />. <br /> <br />-8- <br /> <br />. <br /> <br />STEP NO.3 <br /> <br />Having obtained the detailed daily precipitation records on punched <br /> <br /> <br />cards, these data could then be analyzed by machine processes. <br /> <br />Using the guidance of findings of Step No. I, it should be possible. to <br />give a much more complete analysis of the precipitation frequency patterns and <br />to study them as related to aotual streamflow, either by small sections of the <br />Upper Colorado Basin or the entire main streamflo~ below seversl combined <br />stations. <br /> <br />It is a well known fact that small quantities of precipitation contribute <br /> <br />practically nothing to stream flow. With daily precipitation data on punched <br /> <br /> <br />cards, it would be easy to analyze these, eliminating the lower precipitation <br /> <br />quantities to thus test for the highest correlation between precipitation re- <br /> <br /> <br />cords and streamflow data. <br /> <br />It is expected that at this stage some additional effort should be expended <br /> <br /> <br />to include snow pack data which would expand the composite record of precipitation <br /> <br /> <br />totals contributing subsequently to streamflow. Since snow pack measurements are <br /> <br /> <br />made only on a month-to-month basis during the winter months, they may not lend <br /> <br />themselves well to machine tabulations, but certainly could be used for cross <br /> <br />reference to the precipitation quantities treated in the punched card analyses. <br /> <br />FACILITIES. <br /> <br />The placing of precipitation (and temperature) records on punch cards would <br /> <br /> <br />be performed at the Colorado State University Research Foundation under the dir- <br /> <br /> <br />ection of Dr. A. R. Chamberlain. Punch cards data since 1948 are available from <br /> <br /> <br />the United states Weather Bureau on an exchange basis. <br /> <br />PERSONNEL <br /> <br />General supervision of this phase of meteorological research would be the <br /> <br /> <br />responsibility of Dr. Morris E. Garnsey and the Bureau of Economic Research, <br /> <br /> <br />University of Colorado. Mr. Richard Schleusener, meteorologist at Colorado State <br /> <br /> <br />University and Mr. Loren Crow, consulting meteorologist, would carry out this <br /> <br />study in collaboration with Dr. A. R. Chamberlain. Mr. Norman J. Macdonald of <br /> <br /> <br />the High Altitude Observatory would also act in an advisory capacity. <br />