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The historic streamflow file (*.rih), is created by the tstool DMI. This utility allows the user to <br />merge records of all streamflow gages used in the model into a StateMod input data file format. <br />In order to create the *.rih file, select the streamflow gages in order of the makenet.ris file from <br />the list of gages contained in the CRDSS database. Once all the gages are selected, chose the <br />StateMod export option to produce the first draft of the *.rih file. Subsequent drafts maybe <br />required if missing data are found during the select model study period. The tstool DMI provides <br />the user with some data-filling options to expand any incomplete gage records to match the <br />model's study period. See the tstool documentation for a more detailed description on its options <br />and general capabilities. <br />2.3 Direct Diversion Files <br />StateMod may require up to five diversion files as input: direct diversion station file (*.dds), <br />direct diversion right file (*.ddr), historic diversion file (*.ddh), direct flow demand file - <br />monthly (*.ddm), and the direct flow demand file -annual (*.dda). <br />The first two files (*.dds and *.ddr) are created using the watright DMI. These two files <br />represent the physical characteristics of the diversion structure and its associated water rights, <br />respectively. As indicated earlier, the makenet.rin file is the primary input to generate the <br />watright.dds and watright.ddr files. In addition, a return flow file can be included as an input <br />source to automate the return flow location identification. This return flow file, *.rtn, must be <br />developed manually, and an example for one entry is shown below: <br />370655 3 30.0 2 <br />370561 50 <br />370698 450 <br />370841 500 <br />On the first line, the number 360800 is the diversion ID, 3 is the number of return flow locations, <br />30.0 is the average annual efficiency of the structure, (i.e., percent of water consumptively used <br />of the initial headgate diversion), and 2 represents the delay pattern appropriate for this <br />structure's return flows. The delay patterns are discussed later in this document. The second, <br />third, and fourth lines represent the locations where the return flow accrues. The first entry is the <br />model ID and the second is the percentage of the total return flows distributed to that location. <br />A typical watright command line to create the *.dds and *.ddr files resembles the following: <br />watright basin="modeled basin" -rightsd rtn=basin.rtn <br />rin=makenet.rin -rin -ostatemod <br />Here, the basin being modeled is identified as well as the return flow and network files. The <br />output file format is specified as a StateMod input file. For other watright options, please refer <br />to the watright DMI utility documentation. <br />Once the direct diversion station file is generated, the diversion time series files can be created. <br />The demandts DMI utility automates the time series file construction. As the name implies, the <br />Historic Diversion File (*.ddh) represents the amount of water historically diverted at a particular <br />