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2.04.7 Hydrology Description <br />Peak stream flows for the East and West Forks of Terror Creek occur during <br />spring snowmelt and heavy rainstorm events. Discharges from Terror Creek <br />Reservoir enhance continued stream flow from May -June through <br />September- October. Following are the flow measurements for the East Fork <br />of Terror Creek (SW -2) and Terror Ditch (SW -10). SW -01 was monitored up <br />until fourth quarter 2006 (West Fork of Terror Creek) and has be reinstated <br />as part of the quarterly monitoring program. <br />Terror Creek Average Monthly Flow (cfs) (SW -02) <br />Period of Record 2005 - 2012 <br />Month <br />Mar <br />Apr <br />May <br />Jun <br />Jul <br />Aug <br />Se t.03 <br />Oct <br />Nov <br />Dec <br />2005 <br />40.5 <br />59.6 <br />34.9 <br />3.19 <br />4.54 <br />4.38 <br />3.48 <br />0.24 <br />0.19 <br />2006 <br />18.1 <br />4.34 <br />2.71 <br />4.07 <br />4.07 <br />0.14 <br />0.56 <br />0.56 <br />0.30 <br />2007 <br />8.71 <br />2.40 <br />5.23 <br />1.91 <br />5.48 <br />4.51 <br />0.42 <br />0.75 <br />0.69 <br />0.89 <br />2008 <br />1.86 <br />32.3 <br />3.05 <br />6.79 <br />5.74 <br />3.92 <br />1.86 <br />0.10 <br />1.53 <br />2009 <br />1.22 <br />19.1 <br />6.25 <br />2.92 <br />6.92 <br />5.11 <br />2.27 <br />1.01 <br />0.01 <br />2010 <br />2.39 <br />20.8 <br />5.23 <br />1.57 <br />6.12 <br />1.44 <br />0.06 <br />2011 <br />17.0 <br />24.8 <br />14.0 <br />5.86 <br />5.48 <br />1.57 <br />1.07 <br />2012 <br />0.57 <br />3.77 <br />0.84 <br />1.55 <br />1.36 <br />2.39 <br />1.07 <br />0.58 <br />0.49 <br />Average <br />5.55 <br />19.9 <br />24.4 <br />7.83 <br />2.87 <br />3.67 <br />1.90 <br />1.54 <br />0.41 <br />0.36 <br />Maximum <br />8.71 <br />40.5 <br />59.5 <br />34.9 <br />4.07 <br />4.54 <br />4.38 <br />3.48 <br />1.07 <br />0.89 <br />Terror Ditch Average Monthly Flow (cfs) (SW -10) <br />Period of Record 2005 - 2012 <br />Month <br />Mar <br />Apr <br />May <br />Jun <br />Jul <br />Aug <br />Se t.03 <br />Oct <br />Nov <br />Dec <br />2005 <br />1.86 <br />6.92 <br />8.04 <br />6.25 <br />5.86 <br />2.03 <br />3.50 <br />2.98 <br />2006 <br />5.61 <br />4.06 <br />5.74 <br />4.51 <br />0.69 <br />0.58 <br />0.82 <br />0.69 <br />2007 <br />0.58 <br />2.40 <br />5.23 <br />6.52 <br />5.48 <br />4.51 <br />0.69 <br />0.75 <br />0.69 <br />0.47 <br />2008 <br />1.86 <br />5.69 <br />4.75 <br />6.79 <br />5.74 <br />6.39 <br />1.86 <br />0.75 <br />1.53 <br />2009 <br />1.22 <br />0.58 <br />6.25 <br />3.83 <br />6.92 <br />5.11 <br />4.99 <br />1.01 <br />0.81 <br />2010 <br />2.78 <br />5.23 <br />5.94 <br />6.12 <br />0.47 <br />0.07 <br />2011 <br />1.37 <br />2.03 <br />5.48 <br />5.86 <br />5.48 <br />5.99 <br />0.81 <br />2012 <br />0.57 <br />3.29 <br />6.75 <br />6.26 <br />2.88 <br />3.94 <br />2.12 <br />1.35 <br />0.94 <br />Average <br />0.79 <br />2.05 <br />4.83 <br />5.47 <br />5.98 <br />5.08 <br />3.40 <br />1.26 <br />1.19 <br />1.15 <br />Maximum <br />1.22 <br />3.29 <br />6.75 <br />6.92 <br />8.04 <br />6.25 <br />6.39 <br />2.03 <br />3.50 <br />2.98 <br />The following table presents Terror Creek flow measurements at Terror <br />Creek below Cottonwood Stomp. Data is obtained from the USGS gauging <br />station 09132985. <br />PRA 4 2.04-51- 03/14 <br />