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200923TM <br />This stream flow location was created in the StateMod network to reflect imported "trans- <br />mountain" water to the Rio Grande River in Water District 20. The stream flows are set to <br />equal the historical diversions of WDID 200923, WILLIAMS SQUAW PASS. They are <br />input to the tstool DMI via the time-series file, 200923THSTM. <br />08214500 <br />This stream flow location in the StateMod network was created to reflect historical observed <br />stream flows at USGS gage 08214500, NORTH CLEAR CREEK BL CONTINENTAL <br />RESERVOIR, CO. The period of record for this gage is 1929-1996. No adjustments or data <br />filling was necessary for this location, therefore, the tstool DMI reads the historical flows <br />for this gage directly from HydroBase. <br />200920TH <br />This stream flow location was created in the StateMod network to reflect imported "trans- <br />mountain" water to the Rio Grande River in Water District 20. The stream flows are set to <br />equal the historical diversions of WDID 200920, TABOR PASS D. They are input to the <br />tstool DMI via the time-series file, 200920THSTM. <br />200917TH <br />This stream flow location was created in the StateMod network to reflect imported "trans- <br />mountain" water to the Rio Grande River in Water District 20. The stream flows are set to <br />equal the historical diversions of WDID 200917, DON LA FONT NO 1 & 2 D. They are <br />input to the tstool DMI via the time-series file, 200917TH STM. <br />08216500 <br />This stream flow location in the StateMod network was created to reflect historical observed <br />stream flows at USGS gage 08216500, WILLOW CREEK AT CREEDE, CO. The period <br />of record for this gage is 1951-1982. Monthly flow estimates for the missing time periods <br />were developed in tstool using monthly logarithmic regression against the flows at the <br />USGS gage 08219500, SOUTH FORK RIO GRANDE AT SOUTH FORK, CO. Statistical <br />measures of the regression results can be viewed in Table 1 below and the tstool log file <br />(ATTACHMENT 1). The tstool DMI reads the historical flows for each of these gages <br />directly from HydroBase. <br />08217500 <br />This stream flow location in the StateMod network was created to reflect historical observed <br />stream flows at USGS gage 08217500, RIO GRANDE AT WAGON WHEEL GAP, CO. <br />The period of record for this gage is 1951-1996. Monthly flow values for the 1950 to 1951 <br />time period are available at the same location but a different USGS gage number, 08217000. <br />Combining the HydroBase data for the two gages created a single time-series (STM) file <br />containing a complete time series for 08217500. Therefore, the tstool DMI reads the <br />historical flows for this flow location from the file 08217500.STM. <br />08218500 <br />This stream flow location in the StateMod network was created to reflect historical observed <br />stream flows at USGS gage 08218500, GOOSE CREEK AT WAGONWHEEL GAP, CO. <br />The period of record for this gage is 1954-1991. Monthly flow values for the 1950 to 1952 <br />time period are available at the same location but a different USGS gage number, 08218000. <br />A single STM file containing the combined data from the two gages was created - <br />08218500.STM. <br />Monthly flow estimates for the missing time periods were developed in tstool using monthly <br />logarithmic regression against the flows at the USGS gage 08219500, SOUTH FORK RIO <br />C:Acdss\Task6-6.doc Prepare River System Files March 8, 2000 -Page 3 of 11 <br />