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Table 6. Summary statistics of estimated mean daily discharge through Severy Creek. Daily discharge <br />through Severy Creek was estimated as the average of the estimates based on North Cascade Creek and <br />South Cascade Creek. For each month, the discharge that 50% of flows were equal to or greater than is <br />highlighted. Yellow indicates summer months and blue indicates winter months. <br />Station: Severy Creek, estimated from North and South Cascade Creeks ID: CSU gages 1116, 1117 <br />Prameter: Stream Flow (CFS) Statistic: Mean Daily Discharge <br />Year: 10/1 /49 - 9/30/06 Latitude: 38: 53.821 <br />State: Colorado Longitude: 104: 59.580 <br />County: El Paso Elevation: -8483 ft <br />Drainage Area: 3.39 sq miles <br />montmy Statistics <br />4.89 <br />3.87 <br />3.60 <br />6.35 <br />22.33 <br />22.65 <br />15.62 <br />9.08 <br />6.08 <br />5.69 <br />5.23 <br />4.89 <br />15.86 <br />Jan <br />Feb <br />Mar <br />Apr <br />May <br />Jun <br />Jul <br />Aug <br />Sep <br />Oct <br />Nov <br />Dec <br />Annual <br /># days <br />1767 <br />1610 <br />1766 <br />1710 <br />1760 <br />1699 <br />1767 <br />1742 <br />1696 <br />1767 <br />1708 <br />1767 <br />20759 <br />Avg Day <br />1.77 <br />1.68 <br />1.79 <br />2.47 <br />5.29 <br />5.26 <br />3.30 <br />3.18 <br />2.61 <br />2.34 <br />2.14 <br />1.93 <br />2.81 <br />Max Day <br />5 <br />4 <br />4 <br />15 <br />36 <br />41 <br />33 <br />16 <br />8 <br />8 <br />8 <br />5 <br />41 <br />Min Day <br />0.40 <br />0.28 <br />0.39 <br />0.58 <br />0.94 <br />0.77 <br />0.75 <br />0.75 <br />0.55 <br />0.58 <br />0.63 <br />0.57 <br />0.28 <br /># months <br />57 <br />57 <br />57 <br />57 <br />57 <br />57 <br />57 <br />56 <br />57 <br />57 <br />57 <br />57 <br />56 <br />Sdev Month <br />0.77 <br />0.65 <br />0.57 <br />0.89 <br />4.10 <br />4.30 <br />2.35 <br />1.64 <br />1.10 <br />0.87 <br />0.86 <br />0.77 <br />0.86 <br />Skew Month <br />1.12 <br />0.67 <br />0.64 <br />1.35 <br />1.81 <br />2.19 <br />2.98 <br />1.77 <br />0.88 <br />1.24 <br />1.98 <br />1.26 <br />0.69 <br />Min Month <br />0.56 <br />0.41 <br />0.75 <br />1.05 <br />1.39 <br />0.99 <br />0.92 <br />1.02 <br />0.90 <br />0.89 <br />0.71 <br />0.71 <br />Max Month <br />1 4.46 <br />3.84 <br />3.65 <br />5.58 <br />19.01 <br />20.74 <br />14.80 <br />10.27 <br />5.74 <br />5.86 <br />6.18 <br />4.89 <br />1% <br />4.89 <br />3.87 <br />3.60 <br />6.35 <br />22.33 <br />22.65 <br />15.62 <br />9.08 <br />6.08 <br />5.69 <br />5.23 <br />4.89 <br />15.86 <br />5% <br />3.17 <br />2.83 <br />2.83 <br />4.78 <br />16.42 <br />16.21 <br />7.57 <br />6.69 <br />4.97 <br />3.71 <br />3.48 <br />3.22 <br />6.42 <br />10% <br />2.80 <br />2.49 <br />2.60 <br />3.97 <br />10.65 <br />10.64 <br />5.50 <br />5.34 <br />4.23 <br />3.46 <br />3.08 <br />2.92 <br />4.79 <br />20% <br />2.25 <br />2.17 <br />2.20 <br />3.01 <br />7.15 <br />6.55 <br />4.03 <br />4.31 <br />3.48 <br />2.98 <br />2.71 <br />2.45 <br />3.37 <br />50% <br />2.15 <br />3.67 <br />3.81 <br />2.59 <br />2.70 <br />2.19 <br />80% <br />1.13 <br />1.09 <br />1.31 <br />1.67 <br />2.23 <br />2.52 <br />1.79 <br />1.82 <br />1.61 <br />1.61 <br />1.42 <br />1.23 <br />1.49 <br />90% <br />0.84 <br />0.86 <br />1.03 <br />1.37 <br />1.87 <br />1.70 <br />1.46 <br />1.51 <br />1.32 <br />1.41 <br />1.27 <br />1.06 <br />1.19 <br />95% <br />0.80 <br />0.73 <br />0.86 <br />1.23 <br />1.44 <br />1.34 <br />1.20 <br />1.21 <br />1.10 <br />1.04 <br />1.10 <br />0.86 <br />0.97 <br />99% <br />0.57 <br />0.43 <br />0.66 <br />0.97 <br />1.15 <br />0.93 <br />0.86 <br />0.91 <br />0.86 <br />0.81 <br />0.72 <br />0.69 <br />0.69 <br />' Percentiles estimate the value (discharge) in the record associated with a given percentile. They provide an estimate <br />of the percentage of days on which a given flow is exceeded. Percentiles were calculated using the PERCENTILE <br />function in MicroSoft Excel. <br />