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Starting with natural flows and data for demands and water rights, the model estimates <br /> diversions, return flows, storage, etc. and the resulting stream flows. <br /> 3. The daily model is set up to rely heavily on patterns from key structures and gages <br /> with complete records to convert the information from the monthly model to a daily timestep. <br /> Therefore the daily natural flows at Hermosa Creek for all years (even those with gage <br /> record) are calculated based on a different headwater gage that has a complete record. • <br /> The daily model is run in forward mode to estimate diversions, return flows, storage, and <br /> stream flows. <br /> Therefore: <br /> 1. The volume of water at the Hermosa Creek gage in the monthly model is identical to the <br /> monthly gaged volume during periods when the gage was operating. <br /> 2. The volume of water at the Hermosa Creek gage in the monthly model is estimated based <br /> on other nearby gages during periods with no gage record. <br /> 3. The daily estimated flow at the Hermosa Creek gage is close to, but not equal to, the <br /> gaged flow during periods when the gage was operating. The discrepancies are due to <br /> differences between the pattern headwater gage used to create the daily natural flow data and <br /> the Hermosa Creek gage. In general, the other headwater gage is slightly flashier and <br /> therefore exhibits higher peaks but is in general a good fit to the available daily gage <br /> record. <br /> I hope that helps. If you have any questions, please let me know. <br /> At this point, it looks like I am available on November 3rd, but I can confirm in mid to late <br /> October. <br /> Thanks, <br /> Michelle <br /> Michelle Garrison <br /> Water Resources Specialist <br /> Colorado Water Conservation Board (CWCB) <br /> 2 <br />