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Table 2. Peak flow regression equation parameters for Crystal Creek and Cedar Gulch Creek. <br />'Based on USGS Stream5tats <br />'Based on PRISM data <br />Table 3. Peak flow discharges for Crystal Creek and Cedar Gulch Creek hydraulic aa"sis. <br />Location <br />Annual Inst tSm Diss Peak Discharge (cfs)l <br />W Fork <br />E. Fork <br />N Fork <br />S Fork <br />50-?q--\100-year <br />500 -year <br />Crystal <br />Parameter <br />W. drainage, W. Fork Cedar <br />0.54 <br />23.5 <br />32.6 <br />Tributary <br />Tributary <br />Tributary <br />Gulch Cr. <br />Cedar <br />Cedar <br />Crystal <br />Crystal <br />74.8 <br />E, drainage, W. Fork Cedar <br />Creek at <br />0.26 <br />Gulch Cr. <br />11.Q� <br />„A„ <br />„B„ <br />„C, <br />35.2 <br />E. Fork Cedar Gulch Cr. <br />Gulch <br />Gulch <br />Creek <br />Creek <br />41.7 <br />60.0 <br />Cedar Gulch Cr. below <br />Mouth <br />Drainage Area', <br />Roslyn <br />2.:,14' ' <br />75.5 <br />109 <br />M12 <br />0.8 <br />0.33 <br />0.26 <br />0.12 <br />0.69 <br />1.08 <br />0.66 <br />6.80 <br />Precipitation', <br />N. Fork Crystal Cr. <br />0.26, <br />V 16.9 <br />26.1 <br />35.1 <br />45.2 <br />76.4 <br />46.8 <br />46 <br />45.7 <br />45 <br />37.8 <br />37.8 <br />33.2 <br />39.6 <br />in, <br />7.8 <br />9.3 <br />13.2 <br />< <br />Canopy Covera <br />45.3% 1 <br />39.3% <br />29.9% <br />60.4% <br />36.9% <br />36% <br />35.5% <br />34.4% <br />'Based on USGS Stream5tats <br />'Based on PRISM data <br />Table 3. Peak flow discharges for Crystal Creek and Cedar Gulch Creek hydraulic aa"sis. <br />"flows based on Streamstats Regression Analysis <br />SWATERSHED 8 <br />Drainage <br />Annual Inst tSm Diss Peak Discharge (cfs)l <br />Flow Change Location <br />10 -year <br />25- A <br />50-?q--\100-year <br />500 -year <br />Area (mi`) <br />W. drainage, W. Fork Cedar <br />0.54 <br />23.5 <br />32.6 <br />41.1 <br />Gulch Cr. <br />;" <br />49.9 <br />74.8 <br />E, drainage, W. Fork Cedar <br />0.26 <br />Gulch Cr. <br />11.Q� <br />19.' <br />19.3 <br />23.5 <br />35.2 <br />E. Fork Cedar Gulch Cr. <br />I 0.33 <br />17.6, `. <br />�'I , <br />33.4 <br />41.7 <br />60.0 <br />Cedar Gulch Cr. below <br />Roslyn <br />2.:,14' ' <br />75.5 <br />109 <br />140 <br />173 <br />268 <br />, <br />N. Fork Crystal Cr. <br />0.26, <br />V 16.9 <br />26.1 <br />35.1 <br />45.2 <br />76.4 <br />S. Fork Crystal Cr. " <br />0.1,; `, <br />`•�; 4.8 <br />6.4 <br />7.8 <br />9.3 <br />13.2 <br />< <br />Crystal Cr. below confluen"w, i <br />of N. and S. Forks 1.02 <br />39.2 <br />56.0 <br />71.7 <br />88.4 <br />136 <br />Crystal Cr. below Cedar <br />Gulch Cr. <br />3.15 <br />104 <br />148 <br />189 <br />232 <br />356 <br />Crystal Cr. below Tributary <br />„A„ <br />4.34 <br />133 <br />194 <br />251 <br />312 <br />491 <br />Crystal Cr. below Tributary <br />B" <br />5.71 <br />162 <br />238 <br />309 <br />387 <br />614 <br />Crystal Cr. below Tributary <br />" C <br />6.44 <br />173 <br />255 <br />332 <br />416 <br />662 <br />"flows based on Streamstats Regression Analysis <br />SWATERSHED 8 <br />