SURFACE WATER SUPFLY of the UNITED STATEP

M3BILE RI7EA BASIH
Coosa River at Gadsden, Ala.
- water-stage record®*-, lat. 34*01*, long. -WOO', in T. 12 S., R. 6 E. r at
ijnfy Msaorlai-Bridge on : U. $. Highway 241, In Oadsden, 700 feet downstream
from Louisville & Nashville Railroad bridge and 14 miles upstream from Big Wills
Creek. Datum of gage Is 485.97 feet above mean sea level, datum of 1929, supplementary
adjustment of 1936
Pralnage area.- 5,800 sijuare miles. ..
Becords aval Ij9_.- October 1926 t&-Septeaber 1945. Gage-height records collected at
same site s: 1890 are contained In reports of U. S. Weather Bureau. -
rap.,- 19.years, 8,828 second-feet.
ISii discharge during year, 34,800 second-feet Feb.. 17; maximum gage height,
set Feb. 15; mininrai discharge observed, 1,640 second-feet Ifov. 1-3, 5, 7-10;
minimum gage height observed, 0.78 foot Nov. 2.
1926-45: Jfexluam discharge, 76,900 second-feet Apr. 11, 1936 (gage height, 31.13
feet); miniisum, 1,170 second-feet Oct. 27, 1941 (gage'height, 0.36 foot); nlniraan gageheight,
0.16 foot Oct. 24, 1931.
MaxisaBB stage known, 36.7 feet Apr. 6, 1886, from floodmarke established by Corps
of Engineers,^. S. 'Army. Flood of July 15, 1916, reached a stage Of 31.3 feet.
Remarks.- Records good.
Day
1
2
.3 46
8"
T
8
9
10
11
12
13
14
IS
16
17
IS
19
SM
21
22
23
24
25
36
set
98
as
30
31
Oct.
2! ,700
2,460
8,, 700
5,000
2,680
8,190
02,000
02,000
8,080
8,300
2,240
2,080
2,080
2,190
2,410
8,480
8,460
2,840
2,080
1,9$)
1,860
1,860
1,800
1,860
1,600
1,760
1,760
1,760
1,700
1,700
1,700
1,640
1,640
1,640
1,700
1,640
1,706
1,640
1,643
1,644
1,649
1,760
"1,780
1,880
1,979
1,320
1,660
1,800
1,800
1,970
2,190
2,240
2,340
2,410
8,640
2,360
' 2,140
2,080
1,970
2,300
3,360
-
Iteoth
Rating table, water year 1944,46, except period* of
%aefc«e.t«r from tributary Inflow (gage height, la
feet, and discharge, In second-feot)
3,9«0
3,180
8, 880
3,640
8,410
8,040
2,4*0
I,*40
3,240
4*24*
4*780
4,110
3,690
3,5*3
3,180
3,000
2,760
2,6.40
8,680
2,520
2,520
2,680
8,640
8>640
2,640
2,640
2,780
3,240
4,110
6,740
7,380
0.8 1,640
1.0 1,860
2.0 3,000
I 4.0 6,600
10,800
18,800
12,600
11,890
9,579
7,680
08,590
09,499
alO*990
10,990
8,340 7,980
7,830 7,530
9,870 019,000
12,100 087,000
18,800 031,000
11,300
9,090
7,380
6,930
6,930
7,080
7,230
6,630
5,880
6,460
6,040
4,900
4,800
4,370
4,110
5,980
October
MOVWalMir ' * "
Deoeriber .........................
Calendar year 1844 ............
January
February .........................
March......... .;................
toril...... ....'..........,......,
«$!UI9 *
^Ly............... ..............
September .........................
later year 1944-46 ............
3,780
3,780
3,900
3,630
8,460
13,200
£14,900
f 14, 600
.11,930
033,000
34,600
33,700
32,400
30,600
88,400
28,200
88,400
88,000
84,600
19,100
14,700
12,100
_
,- -
Secoad-
foot-days
66.64C)
3,OOO
S9,08( ) 3,360
101,49( 7,380
3,586,02C
11,800
10,400
10,800
81,000
31,200
34,600
38,900
89,200
28,600
16,200
11,000
9,670
8,780
8,460
8,460
.. 8,140
N 7,680
7,980
6,780
8,940
9,060
9,570
11,800
10,600
9,090
010,000
cll,OOQ
012,000
18)300
11,300
'9,250
MaxiBUB
253, 25C 10 JLXf&vv RAT}
627, 56C 54,600
1 34,500
320)41I ) OT KJ,» Aftf*} OUU
294, 54C 20,400
189, 81C)
S,300
119,46C 9,090
114, IK 6,630
88,96Ct
9,730
3,486,10C>
,-54,500
8,0 11,800
12.0 18,700
16.0 84,700
19.0 ,34,600
Discharge, IB second-feet, water year October 1944 to Septeaber 1946
HOT. Bee. Jan. Feb. Mar. Apr. May June July A«.
8,140
e9,200
13,700
16,600
16,000
12,600
9,730
8,140
7,839
6,630
6,180
5,880
6,600
6,380
6,040
4,900
'c5,900
7,830
9,730
9,730
7,530
06,000
07,500
010,000
13,700
51,700
18,200
21,000
81,400
21,600
21,600
80, 400
16 ,000
16,200
12,800
11,300
10,400
9,260
8,680
8,463
7,980
7,680
7,380
8,680
12,600
14,800
14,000
13,800
12,300
10,700
9,410
**!«,
8,300
7,080
6, 180
6,740
5,320
6,040
4,760
4,9,00
5,380
4,900
4,500
1,700
1,640
8,840
1,640
3,980
3,600
7,680
4,900
4,500
3,000
2,680
8,240
1,800
1,640
4,840
3,9SO
3,860
3,720
3,780
3,720
5,780
3,600
3,600
3,600
o3,700
03,800
3,780
3,480
3,360
3,360
3,720
04,600
o6,50e
08,100.
8,300
7,660
6,330
4,760
3,860
3,480
3,360
3,840
3,180
5,000
-
Mean
2,111
1,»6S
6,874
9,79*
8,168 1.41 1.68
18,B4C 3.26 3.38
13,60Ct
. 2.34 2.70
10.68Ct
1.84 2.06
9,603 1.64 1.69
4,301 .74? .83
3,864 .66* .77
3,603 .635 -7S
2,96£ .811 .57
6,836
3,000
3,060
3,000
3,360
3,380
3,240
3* 120
3»fiOO
3,fcOO
2,820
8,820
2,580
2,580
3,360
6,030
8,940
9,090
7,530
5,740
4,370
5,720
3,240
3,120
3,240
3,240
3,000
3,120
3,180
3,120
5,360
3,240
4,240
4,3TO
4,240
3,869
3,600
4,110
- 4,630
3,180
6,480
6,660
3,460
4,840
3,480
3,840
3,120
f«940
3,000
3,180
3,129
f,880
r,580
?-410
8,360
8,410
. P^80
3,860
4,500
8,780
2,880
SV410
5^240
Sept.
2,140
2,060
8,080
8,020
1,800
1,800
1,800
1,800
1,800,
1,860
1,860
1,SOO
2,980
2,190
2J410
8,940
4^370
6*480
9,730
-7,830
4,900
3,480
3,000
2,700
2,620
2,460
2,410
8,300
8,240
2,190
-
Per square Runoff la
mile iaeba*
0.36T O.42
.33f .38
.5&C .66
1.69 82.99
1.18 15.99
c Backwter from fcpihatary inflmt) dteeharge computed on basis of recorder graph adjrsted tof ,
haetamter effeet.
f 8