SURFACE WATER SUPFLY of the UNITED STATEP

342 APAIACHICOLA RI-VER BASIN
Apalachlcola River at Chattahoochee, Fla.
LQcatlpg.- Water-stage recorder, lat.30°43', long. 84°51', In sec. 32, T. 4 N., R. 6 W.,
at bridge on U. S. Highway 90, four-fifths of a mile downstream from confluence of
Flint and Chattahoochee Rivers and 1 mile west of Chattahoochee. Datum "of gage Is
45.58 feet above mean sea level, datum of 1929 '(U. S. Weather Bureau bench mark).
Drainage area.-' 17,100-square miles.
Records available %- December 1928 to September 1945. Gage-height records collected at
former site seven-eighths of a mile downstream October 1919 to September 1925 and at
present site since October 1925 are contained In reports of U. S. Weather Bureau.
Average discharge.- 17-years, 21,400 second-feet.
Extremes.- tfexlmum discharge during year, 58,300 second-feet Feb. 25; ifxlmum gage height,
iv.05 feet Apr. 30; minimum discharge, 8,400 second-feet Oct. 31, Nov. 1, 7, 8, 14,
15; minimum gage height, 0.43 foot Nov. 7, 8, 14.
1928-45: Maximum discharge, 293,000 second-feet ttar. 20, 1929 (gags height, 34.70
feet, site and datum then In use), from" rating curve extended above 200,000 second- .
feet; minimum, 5,120 second-feet Nov. 5, 11, 1931; minimum gage height, -1.70 feet
Nov.5, 1931, site and datum then In use.
Remarks.- Records good.
Day
1
2
3
4
5
6
7
JB 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
.24
.25
26
27
28
29
30
31
Oct.
13,500
13,300
18,400
11 ,600
11,200
11,400
11^600
11,800,
11,200
11,400
10,800
10,400
10,400
10,400
10,600
10,400
10,200
9,600
9,600
10,000
10,000
10,400
10,400
9,600
9,400
9,600
9,800
9,800
9, 600
9,600
8,800
Nor.
Discharge, in second-feet, water year October 1944 to September 1945
8,600
9,000
9,400
9,400
9,800
9,400
8,800
8,600
3,300
9,200
9,200
9,600
9,400
3,600
3,800
9,200
9,600
10,000
10,800
10,000
9,400
9,400
10,000
10,400
10,400
10,400
10,800
10-.800
11 ,200
11,600
~
Month
Dec.
12,200
13,100
13,800
13,300
18,900
12,200
18,400
13,100
13,700
14,100
14,800
15,600
15,000
14,800
14,800
14,600
14,100
14,600
14,6OO
15 ,300
13,300
13,900
14,100
14,100
13,900
12,900
11,600
11,000
11,400
11,800
18,000
Jan.
11,800
tll, 800
12 ,400
18,400
12,600
18,900
14,100
17 ,1OO
19,300
19,300
18,300
17,400
17,100
16,900
17,100
16,2OO
14,400
14 ,1OO
15,200
15,700
16,500
16,600
17,900
17,6OO
17,100
16,600
16,600
16,200
15,700
15,800
14,600
Feb.'
14,600
14,600
14,800
14, SOO
15,500
16,600
17 ,400
18,300
18,100
18,800
19,800
20,000
20,300
20,500
25,2OO
89,600
33,500
51 ,700
31,700
37,100
40,100
44,000
58,800
57,300
67,800
55,800
51,300
47,100
_ --
Seccad-
foot-days
Mar.
42,000
39,500
37,400
34,700
32,300
31,700
34.,700
34,100
31,400
28,700
26,300
24,400
23,200
22,700
22,400
22,400
22,200
21,700
21,400
21,200
22,200
25,700
28,700
26,000
23,700
22,700
21,400
21 ,000
21,000
20,300
19,300
HaxiBun
Apr.
16,600
18,100
18,100
19,000
19,000
IS ,100
17,100
16,600
16,600
16,400
15,900
15,500
15,000
14,400
13,700
13, 300
12,000
11,000
11,000
11,600
11,200
10,800
11,400
12,900
15,500
22,400
34,700
44,400
51,300
55,300
May
53,800
48,000
42,400
39,500
37,700
36,200
31,700
86,300
23,900
83,200
22,200
21,200
21,000
27,800
56,800
38,000
35,900
32,600
29,900
27,200
24,700
21,900
20,500
20,500
20,300
19,000
18,100
16,900
16,500
13,500
12,900
MiniBun
October.........:.........,......
November .........................
December .........................
327,SOC)
S89 » 404 )
416 ,4« )
13,600
11,600
15,500
8*600
11,000
1Q,5?C
f A 'ft At
^ S* jO* '
13,43C)
0.918-
.564
.786
Calendar year 1944- ............ 9,761,90t)
141,000 8,600 86 ,67C>
" 1.69 21.21
January ..........................
February .........................
March ......... ..................
April . . . . -. .......................
May............. .................
vll&Q *
July .............................
August ...........................
September .........................
485,70C
839, 10C
886,40C
580 90C
859*10C
S74.80C
48S # 20l
464 50C
437 UoC
19,300
57,800
43,000
55,300
53,800
15,000
24 4OO
lo'onX
20I50O
11,800
14,600
19,800
10, SOO
10*400
10,000.
12,900
10,000
1S,67C
*0*