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• <br />0 <br />100.0 - <br />80.0 <br />60.0 <br />Estimated Stream Flow on Anthracite Creek <br />40.0 - <br />20.0 <br />0.0 <br />Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec <br />Month <br />Table 2 shows that the summer flow recommendation of 54 cfs is available at least 50% of the <br />time from April 1St to July 14th. The winter flow recommendation of 39 cfs is available at least <br />50% of the time from July 15th to August 14th' Based on limited water availability, the winter <br />flow recommendation was reduced to 17 cfs from August 15th to March 30. <br />Precipitation Data <br />Staff reviewed a local precipitation data set from one site located near the Anthracite Creek <br />Drainage (see Precipitation Data in Appendix C). Table 3 shows the water year and the percent <br />of average precipitation recorded at each site. It is staff's opinion that the five years of stream - <br />flow data analyzed is representative of slightly below average water - years. <br />Table 3: Precipitation Data as a nercentaae of Average <br />Year <br />Elevation = 5690 <br />Lat 38 52 00 Long 107 35 00 <br />Paonia 1SW <br />1977 <br />63% <br />1978 <br />No data <br />1979 <br />98% <br />1980 <br />109% <br />1981 <br />105% <br />Average <br />94% <br />5 <br />