APALACHICOLA RIVER BASIN CHATTAHOOCHEE RIVER NEAR COLUMBIA, AL GEORGE W. ANDREWS L&D POOL Gage 2343800 NOTE: These readings are taken at approximately 7AM 1999 WATER YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 100.80 101.50 100.90 100.70 101.40 101.00 101.60 101.50 101.50 101.50 101.80 101.05 2 101.30 101.50 100.90 101.50 101.50 101.30 101.60 101.38 101.50 101.50 101.70 101.10 3 102.00 101.20 101.00 102.30 100.30 101.00 101.90 101.38 101.50 101.50 101.90 100.60 4 101.90 101.30 100.90 101.80 100.70 100.70 102.05 101.23 101.50 101.50 102.00 101.10 5 101.70 101.50 101.10 101.60 100.90 100.70 102.00 101.20 101.50 101.50 102.00 100.70 6 102.00 101.30 101.10 100.50 100.00 100.34 102.18 101.50 101.50 101.50 102.31 100.60 7 101.90 101.50 101.10 100.10 102.10 101.70 101.80 102.89 101.50 101.50 101.80 100.80 8 101.60 101.30 100.83 102.00 100.80 101.20 101.20 102.90 101.50 101.50 102.00 101.30 9 102.00 101.30 101.10 101.70 101.70 100.80 101.22 102.10 101.50 101.50 102.10 101.10 10 101.60 101.50 100.80 101.95 101.40 101.30 102.16 101.90 101.50 101.50 102.20 101.20 11 102.20 101.87 100.90 0.00 100.10 100.80 101.60 101.90 101.50 101.50 102.00 100.60 12 101.90 101.90 100.60 101.01 100.20 101.20 101.30 101.30 101.50 101.50 102.20 100.40 13 101.80 101.40 101.10 101.50 101.80 101.20 101.40 101.30 101.50 101.50 101.90 100.30 14 101.90 101.50 101.10 101.70 101.08 101.50 101.10 101.50 101.50 101.50 101.60 100.40 15 101.88 101.60 101.10 101.40 100.68 100.94 101.40 101.50 101.50 101.50 101.20 100.48 16 101.80 101.30 101.34 101.70 101.06 100.90 101.50 101.50 101.50 101.50 101.40 100.74 17 101.80 101.00 101.14 101.60 101.20 100.90 101.60 101.30 101.50 101.50 101.00 101.20 18 101.30 101.20 101.00 101.20 101.34 101.10 101.60 101.40 101.50 101.50 101.50 100.80 19 101.30 100.70 101.30 0.00 100.60 101.30 100.80 101.40 101.50 101.50 101.00 100.98 20 101.70 101.80 101.60 101.75 101.50 101.30 101.00 101.60 101.50 101.50 101.50 101.19 21 101.50 100.90 101.60 101.54 101.00 101.70 101.15 101.60 101.50 101.50 101.50 101.27 22 101.00 101.00 100.50 101.22 100.90 100.60 101.00 101.50 101.50 101.50 101.24 100.90 23 101.30 100.80 101.30 101.80 100.90 101.40 101.10 101.50 101.50 102.20 100.93 100.80 24 101.50 100.40 101.10 100.80 100.82 100.10 101.10 101.50 101.50 102.20 101.43 101.02 25 102.00 101.00 100.98 101.10 100.70 100.60 100.70 101.50 101.50 102.20 101.12 100.62 26 101.40 102.00 101.90 100.50 101.30 100.40 100.82 101.50 101.50 102.20 101.12 99.60 27 101.70 101.42 101.00 101.60 101.10 101.40 101.17 101.50 101.50 102.20 101.30 99.30 28 101.40 101.40 100.60 101.38 101.30 101.20 101.20 101.50 101.50 102.20 100.91 100.80 29 101.40 101.20 100.70 100.89 100.70 101.27 101.50 101.50 102.20 101.50 100.80 30 101.50 100.60 100.40 102.05 100.40 101.20 101.50 101.50 102.50 101.18 100.80 31 101.40 100.20 100.40 102.11 101.50 102.02 101.40 AVG 101.63 101.30 101.01 94.82 101.01 101.03 101.39 101.59 101.50 101.71 101.57 100.75 MAX 102.20 102.00 101.90 102.30 102.10 102.11 102.18 102.90 101.50 102.50 102.31 101.30 MIN 100.80 100.40 100.20 0.00 100.00 100.10 100.70 101.20 101.50 101.50 100.91 99.30 Established October 1,1975, U.S.G.S. Reading Available Oct 1975 - Present Drainage Area Sq. Mi. 8,210 sq mi Gage Zero Pool and Tail = 0 NGVD