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<br />8 <br /> <br />Table 1. <br /> <br />Priority Rating System Used in Processing Ptecipitation <br />Data for the 1951-1980 Colorado Average Annual <br />Precipitation Map. <br /> <br /> -------- -~--~--- ---- <br /> Data Length <br />)"..; ority Require- of Data lmplicatior"js for <br />1ating ments Examples Record Adjustments Isohyetal Ana lys i s <br /> (years) <br /> ------ --- <br />I complete NWS 30 None Isohyets must be <br /> montt! '1 y cooperative drawn to fit these <br /> data station data, <br />2 comp 1 e':e NWS 25-29 no rma 1 ratio method Isohyets must be <br /> month"' y cooperative used to fi 11 in drawn to fit these <br /> data station missing months to data. <br /> to make a complete <br /> 3D-year data set. <br />3 complete NWS 15-25 ratio adjustment I sohyets usually <br /> month - y cooperative used to adj ust drawn to fit these <br /> data station annual mean to be data. <br /> consistent with <br /> complete 3D-year <br /> data sets. <br />4 season.:i 1 SCS 14-30 adjust seasonal Used to reposition <br /> or annual snow data to annual. ;sohyets where two <br /> date: cau rse No adjustments for or more data points <br /> record length. suggest chaTlge. <br />5 miscellaneous USFS 5-30 None Used ;0 data sparse <br /> data ~ources storage areas to check <br /> not a part of gage data positioning of <br /> standa.rd statlon contoul'-s. <br /> networks 0" Short <br /> short record NWS data <br /> length deta set <br /> ------- ----~---- <br />