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Special Computations.-- <br />Remarks.-- <br />Recommendations.-- <br />Discharge values for the estimated ice days and the winter period (December 14, 2008 to February 25, 2009) were derived <br />from three discharge measurements (Nos. 552-554) made during the period, NWS Loveland, CO temperature data, as well <br />as temperature data logged at this gage (SVCLYOCO). Computed record was used for days of possible ice--December 4, <br />10-13, 2008; February 28; March 1, 11-14, 2009. Discharge for May 27 was estimated from a total of 10 hours of good <br />record in the morning and late evening. A digital hydrograph is included. <br />The record is good except for periods of ice effect and no gage height record which are estimated and considered poor due <br />to ice and winter station closure. December 4, and 10-13, 2008, February 28, March 1, and March 11-14 are considered <br />fair due to possible ice effect. The period June 3-23, 2009 is considered fair due to debris on the control. Station <br />maintained and record developed by Russell V. Stroud. <br />Special care needs to be taken when performing Current Meter Bank Operated Cableway (CM BOC) measurements. CM <br />BOC measurements are often difficult to sound correctly and may introduce error into the measurement. Therefore, <br />measurement rating is important. Verification of high flows from downstream diversions may be considered in the future. <br /> Use of the Bank Operated Cableway apparatus for ADCP measurements worked better than expected. Continued use of <br />this equipment combination is highly recommended. Control conditions should be examined closely in the event of <br />unexpected shifting. Levels need to run in the 2010 water year to monitor any subsequent settling of the new shelter. The <br />addition of one to two additional reference marks is highly recommended. Communication with the Town of Lyons <br />concerning their future white water park enhancements (existing upstream and downstream of the gage location) are <br />imperative due to the proximity to the gage.