APALACHICOLA RIVER BASIN
                                                CHATTAHOOCHEE RIVER NEAR COLUMBIA, AL
                                            GEORGE W. ANDREWS L&D TAILWATER     Gage  2343800
                                                      FLOOD ELEVATION  113
                                       NOTE: These readings are taken at approximately  7AM
                                                         2012  WATER YEAR
       OCT        NOV       DEC       JAN       FEB       MAR       APR       MAY       JUN       JUL       AUG       SEP
 
  1      78.24     76.75     76.47               77.13     80.03     77.03     76.44
  2      76.67     76.33     76.53     76.67     82.88     80.11     76.69     76.74
  3      76.70     76.28     76.50     76.57     83.43     83.30     76.50     76.28
  4      76.38     76.31     76.43     76.80     78.00     77.42     77.48     76.80
  5      76.27     76.74     76.49     76.82     76.86     83.97               76.35
 
  6      76.33     76.41               76.83     77.15     80.15     78.52     76.81
  7      76.28     77.61     76.31     77.65     76.27     78.77     81.29     76.93
  8      76.28     76.81     76.25     76.81     76.27     77.35     77.92
  9      76.37     76.37     76.53     76.59     76.37     79.82     76.46     76.53
 10      76.28     76.83     76.60     76.31     76.60     83.98     81.02     76.43
 
 11      77.26     76.89     76.44     76.50     76.50     79.21     78.02     76.78
 12      76.37     76.53     76.44     76.61     76.47     77.08     77.28     78.16
 13      76.75     76.43     76.44     76.43     76.41     77.08     76.93     77.91
 14      76.39     76.33     76.60     76.57     76.44     77.70     80.43     76.47
 15      76.66     76.66     76.53     76.44     76.41     83.24     76.60     76.37
 
 16      76.47     76.49     76.48     76.37     76.36      0.00     76.74
 17      76.46     76.39     76.55     76.49     76.47     79.94     76.33
 18      76.43     76.61     76.36     76.41     76.46     80.38     76.27
 19      76.59     78.74     76.27     76.71     77.58     76.82     76.17
 20      76.41     76.59     76.42     78.40     77.28     76.70     76.85
 
 21      76.47     76.41     76.27     76.83     77.99     77.75     76.50
 22      76.49     76.41     76.48     77.07     77.22     77.88     77.01
 23      76.50     76.82     76.44     76.85     76.74     79.75     77.52
 24      76.53     76.47     76.63     85.63     83.23     77.88     76.54
 25      76.25     76.82     76.52     88.94     79.40     78.80     76.37
 
 26      76.78     76.74     76.52     88.63     78.82     76.83     76.50
 27      76.59     76.63     76.69     89.17     77.70     77.33     76.61
 28      76.44     76.90     76.72     85.05     77.47     78.00     76.43
 29      76.30     76.54     76.58     82.45     77.89     76.91     76.66
 30      76.32     76.54     76.74     77.30               76.99     76.27
 31      76.24               76.80     77.05               79.59
 
AVG      76.53     76.68                         77.72     76.48
MAX      78.24     78.74                         83.43     83.98
MIN      76.24     76.28                         76.27      0.00
 
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