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<br />I 27 <br />I TABLE 6 <br /> FLOOD FREQUENCY - ELEVATION AND DISCHARGE DATA <br />I MIDDLE ST. VRAIN CREEK, BOULDER COUNTY, COLORADO <br /> 10-Year Flood 50-Year Flood 100-Year Flood SOO-Year Flood <br />I Ref. Station Stream Bed Crest Peak Crest Peak Crest Peak Crest Peak <br />Point Fr. Mouth Elevation Elevation Discharge Elevation Discharge Elevation Discharge Elevation Discharge <br /> Number (Feet) Identif . (Ft. MSL) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) <br />I l63 283+70 7830.50 7833.18 510.00 7834.45 1060.00 7835.01 1460.00 7836.76 2900.00 <br />I l63.l 285+85 7835.10 7f< 37.93 510.00 7839.41 1060.00 7840.33 1460.00 7842.71 2900.00 <br />163.2 286+30 7835.80 7838.97 510.00 7840.79 1060.00 7841.62 1460.00 7845.19 2900.00 <br />I 163.3 286+45 7835.80 7840.09 510.00 7841.83 1060.00 7843.97 1460.00 7845.35 2900.00 <br /> 163.4 286+90 7838.00 7841.08 510.00 7842.82 1060.00 7843.76 1460.00 7847.36 2900.00 <br />I l63.7 288+50 7844.80 7847.12 51 O. 00 7848.57 1060.00 7849.15 1460.00 7850.17 2900.00 <br /> 163.8 289+35 7846.80 7850.20 51 O. 00 7851.56 1060.00 7852.02 1460.00 7852.92 2900.00 <br />I <br />l63.9 289+45 7846.80 7851.19 510.00 7852.23 1060.00 7852.82 1460.00 7853.71 2900.00 <br />I 164 290+60 7850.20 7852.49 510.00 7853.59 1060.00 7854.10 1460.00 7854.71 2900.00 <br /> 1460.00 <br /> l64.6 292+10 7854.40 7856.83 510.00 7858.03 1060.00 7858.62 7860.21 2900.00 <br />I l64.7 292+45 7855.20 7858.09 510.00 7859.22 1060.00 7859.68 1460.00 7861.06 2900.00 <br /> 164.8 292+60 7855.20 7858.80 510. 00 7860.50 1060.00 7860.84 1460.00 7863.12 2900.00 <br />I l64.9 293+05 7856.49 7859.16 510.00 7861.00 1060.00 7861.41 1460.00 7863.14 2900.00 <br />I 165 295+20 7864.30 7866.64 510.00 7867.62 1060.00 7868.23 1460.00 7869.54 2900.00 <br />166 301+l0 7886.30 7888.41 510.00 7889.42 7890.11 1460.00 7891.57 2900.00 <br /> 1060.00 <br />I l67 305+80 7902.90 7905.07 510.00 7906.21 1060.00 7906.86 1460.00 7908.68 2900.00 <br /> 167.9 306+25 7903.70 7906.2tl 510.00 7907.64 1060.00 7908.50 1460.00 7910.85 2900.00 <br />I 168.1 306+40 7903.70 7907.23 510.00 7908.93 1060.00 7910.12 1460.00 7912.89 2900.00 <br />I 168.2 306+7 5 7905.00 7907.56 510. 00 7909.15 1060.00 7910.99 1460.00 7912.78 2900.00 <br />169 312+30 7924.60 7926.93 510.00 7928.14 1060.00 7928.92 1460.00 7930.87 2900.00 <br />I <br />I <br />I <br />