USGS Surface Water data for USA: USGS Surface-Water Monthly Statistics

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
Full News

USGS Surface-Water Monthly Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

Output formats

HTML table of all data

Tab-separated data

Reselect output format

00060, Discharge, cubic feet per second,
YEAR	Monthly mean in ft3/s (Calculation Period: 1927-10-01 -> 1970-08-31)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1927										84,000	23,830	45,800
1928	37,520	33,590	34,320	105,100	57,040	118,000	49,170	38,240	10,600	6,408	30,560	50,340
1929	66,630	37,120	54,910	124,700	174,200	102,700	56,510	10,310	8,936	10,300	11,120	17,400
1930	41,830	56,730	17,620	7,524	112,700	42,060	12,380	4,613	12,390	13,510	9,057	27,370
1931	7,684	40,470	26,270	33,480	36,060	26,940	9,958	12,300	5,402	10,700	26,120	45,850
1932	126,500	76,170	29,710	23,760	14,960	33,810	53,030	15,390	5,524	4,107	3,235	27,090
1933	48,610	16,320	40,720	58,900	101,800	22,100	7,581	19,140	51,710	18,120	16,030	17,440
1934	26,530	8,532	25,080	51,860	22,930	8,072	3,000	1,141	25,990	18,640	25,730	23,470
1935	37,530	18,960	110,700	51,080	151,100	268,900	54,850	8,831	13,820	13,340	25,650	48,540
1936	10,500	7,086	10,510	6,040	12,660	19,690	5,095	1,777	6,860	54,950	22,460	15,960
1937	91,760	54,240	28,040	31,550	26,580	60,950	14,490	9,117	19,830	7,508	14,610	18,680
1938	38,630	137,600	40,190	99,610	75,000	93,970	17,250	17,110	8,787	4,207	8,369	5,487
1939	11,870	43,390	30,820	68,930	38,360	22,520	20,400	6,076	3,379	1,770	2,199	2,562
1940	2,871	4,919	4,771	26,540	25,250	14,860	13,440	12,380	18,460	3,235	10,960	29,030
1941	50,790	52,730	23,030	79,110	52,010	88,790	19,790	12,050	41,970	141,400	173,000	44,150
1942	30,350	49,500	43,680	145,300	117,500	80,260	45,480	21,990	42,960	30,250	54,290	42,980
1943	51,690	20,770	27,870	45,880	290,300	99,600	24,020	7,732	4,817	10,550	10,030	7,414
1944	12,930	41,370	100,700	124,500	124,300	66,300	17,090	13,010	15,580	37,280	12,520	46,650
1945	25,950	63,560	211,100	274,000	108,500	136,600	59,470	18,510	24,720	115,800	17,830	11,500
1946	77,830	81,460	49,480	50,230	102,300	48,450	24,230	5,886	6,606	9,701	52,980	84,660
1947	19,610	9,939	19,650	121,000	140,500	68,070	27,560	8,848	6,919	5,685	7,444	17,550
1948	30,670	34,590	85,190	39,410	35,800	53,870	135,500	74,120	14,010	7,151	11,370	19,620
1949	84,850	150,500	73,220	49,210	128,900	111,700	38,360	16,170	17,480	22,800	12,600	17,820
1950	79,890	78,260	35,370	20,910	110,400	49,200	80,870	118,500	77,720	25,500	10,610	8,405
1951	20,130	66,570	52,120	32,320	72,970	81,330	177,500	34,110	48,430	27,560	71,760	40,320
1952	36,400	31,230	80,860	92,110	47,650	22,670	6,202	4,937	3,772	2,386	7,629	21,620
1953	13,240	18,460	53,400	67,560	75,950	10,710	13,900	8,526	4,948	3,398	6,240	6,340
1954	14,090	13,950	6,829	10,700	63,520	14,530	5,095	2,917	1,622	3,344	4,432	5,211
1955	16,170	24,380	44,990	29,460	35,110	36,860	18,270	6,271	5,761	25,660	5,584	4,945
1956	5,475	42,780	9,617	9,238	14,370	8,832	4,032	2,789	1,356	1,168	1,760	3,891
1957	10,060	32,160	25,690	135,200	216,600	262,400	101,800	37,850	25,520	13,630	41,090	20,260
1958	22,990	19,880	88,910	86,080	92,780	39,830	94,810	45,270	22,200	11,020	18,950	11,440
1959	10,450	22,400	48,460	39,250	46,430	33,080	56,300	32,430	15,680	167,400	46,810	50,110
1960	63,370	51,160	56,290	48,100	120,300	54,620	39,610	26,010	21,640	11,530	21,420	30,810
1961	16,600	20,050	54,220	79,420	175,100	68,870	59,610	37,410	69,580	53,830	82,910	69,490
1962	42,340	50,130	49,830	47,460	17,350	39,230	19,170	14,620	29,660	38,060	22,020	20,040
1963	15,980	9,301	30,980	10,730	16,450	8,323	14,220	8,504	8,779	3,774	4,052	3,237
1964	2,383	6,189	26,480	36,560	25,690	19,280	9,465	5,318	12,860	5,976	22,190	23,510
1965	21,960	27,480	27,240	68,640	30,570	51,750	30,860	11,530	28,510	23,250	7,367	6,096
1966	17,130	36,280	18,050	32,000	48,260	14,720	8,225	12,560	10,660	7,345	5,755	5,381
1967	5,566	5,921	8,781	22,770	35,040	20,610	49,690	22,520	17,580	21,410	34,380	43,030
1968	26,950	63,090	77,860	89,340	92,310	61,800	26,570	22,770	14,350	12,320	31,720	71,180
1969	65,940	97,750	64,410	72,540	84,020	67,300	50,630	20,970	15,030	31,010	16,750	18,970
1970	28,830	16,940	38,230	79,200	99,990	49,920	16,940	8,291
Mean of monthly Discharge	34,200	41,300	46,200	63,400	80,700	60,600	37,000	19,000	19,100	26,100	24,300	26,300
** No Incomplete data have been used for statistical calculation

00060, Discharge, cubic feet per second,

YEAR

Monthly mean in ft3/s (Calculation Period: 1927-10-01 -> 1970-08-31)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

1927

84,000

23,830

45,800

1928

37,520

33,590

34,320

105,100

57,040

118,000

49,170

38,240

10,600

6,408

30,560

50,340

1929

66,630

37,120

54,910

124,700

174,200

102,700

56,510

10,310

8,936

10,300

11,120

17,400

1930

41,830

56,730

17,620

7,524

112,700

42,060

12,380

4,613

12,390

13,510

9,057

27,370

1931

7,684

40,470

26,270

33,480

36,060

26,940

9,958

12,300

5,402

10,700

26,120

45,850

1932

126,500

76,170

29,710

23,760

14,960

33,810

53,030

15,390

5,524

4,107

3,235

27,090

1933

48,610

16,320

40,720

58,900

101,800

22,100

7,581

19,140

51,710

18,120

16,030

17,440

1934

26,530

8,532

25,080

51,860

22,930

8,072

3,000

1,141

25,990

18,640

25,730

23,470

1935

37,530

18,960

110,700

51,080

151,100

268,900

54,850

8,831

13,820

13,340

25,650

48,540

1936

10,500

7,086

10,510

6,040

12,660

19,690

5,095

1,777

6,860

54,950

22,460

15,960

1937

91,760

54,240

28,040

31,550

26,580

60,950

14,490

9,117

19,830

7,508

14,610

18,680

1938

38,630

137,600

40,190

99,610

75,000

93,970

17,250

17,110

8,787

4,207

8,369

5,487

1939

11,870

43,390

30,820

68,930

38,360

22,520

20,400

6,076

3,379

1,770

2,199

2,562

1940

2,871

4,919

4,771

26,540

25,250

14,860

13,440

12,380

18,460

3,235

10,960

29,030

1941

50,790

52,730

23,030

79,110

52,010

88,790

19,790

12,050

41,970

141,400

173,000

44,150

1942

30,350

49,500

43,680

145,300

117,500

80,260

45,480

21,990

42,960

30,250

54,290

42,980

1943

51,690

20,770

27,870

45,880

290,300

99,600

24,020

7,732

4,817

10,550

10,030

7,414

1944

12,930

41,370

100,700

124,500

124,300

66,300

17,090

13,010

15,580

37,280

12,520

46,650

1945

25,950

63,560

211,100

274,000

108,500

136,600

59,470

18,510

24,720

115,800

17,830

11,500

1946

77,830

81,460

49,480

50,230

102,300

48,450

24,230

5,886

6,606

9,701

52,980

84,660

1947

19,610

9,939

19,650

121,000

140,500

68,070

27,560

8,848

6,919

5,685

7,444

17,550

1948

30,670

34,590

85,190

39,410

35,800

53,870

135,500

74,120

14,010

7,151

11,370

19,620

1949

84,850

150,500

73,220

49,210

128,900

111,700

38,360

16,170

17,480

22,800

12,600

17,820

1950

79,890

78,260

35,370

20,910

110,400

49,200

80,870

118,500

77,720

25,500

10,610

8,405

1951

20,130

66,570

52,120

32,320

72,970

81,330

177,500

34,110

48,430

27,560

71,760

40,320

1952

36,400

31,230

80,860

92,110

47,650

22,670

6,202

4,937

3,772

2,386

7,629

21,620

1953

13,240

18,460

53,400

67,560

75,950

10,710

13,900

8,526

4,948

3,398

6,240

6,340

1954

14,090

13,950

6,829

10,700

63,520

14,530

5,095

2,917

1,622

3,344

4,432

5,211

1955

16,170

24,380

44,990

29,460

35,110

36,860

18,270

6,271

5,761

25,660

5,584

4,945

1956

5,475

42,780

9,617

9,238

14,370

8,832

4,032

2,789

1,356

1,168

1,760

3,891

1957

10,060

32,160

25,690

135,200

216,600

262,400

101,800

37,850

25,520

13,630

41,090

20,260

1958

22,990

19,880

88,910

86,080

92,780

39,830

94,810

45,270

22,200

11,020

18,950

11,440

1959

10,450

22,400

48,460

39,250

46,430

33,080

56,300

32,430

15,680

167,400

46,810

50,110

1960

63,370

51,160

56,290

48,100

120,300

54,620

39,610

26,010

21,640

11,530

21,420

30,810

1961

16,600

20,050

54,220

79,420

175,100

68,870

59,610

37,410

69,580

53,830

82,910

69,490

1962

42,340

50,130

49,830

47,460

17,350

39,230

19,170

14,620

29,660

38,060

22,020

20,040

1963

15,980

9,301

30,980

10,730

16,450

8,323

14,220

8,504

8,779

3,774

4,052

3,237

1964

2,383

6,189

26,480

36,560

25,690

19,280

9,465

5,318

12,860

5,976

22,190

23,510

1965

21,960

27,480

27,240

68,640

30,570

51,750

30,860

11,530

28,510

23,250

7,367

6,096

1966

17,130

36,280

18,050

32,000

48,260

14,720

8,225

12,560

10,660

7,345

5,755

5,381

1967

5,566

5,921

8,781

22,770

35,040

20,610

49,690

22,520

17,580

21,410

34,380

43,030

1968

26,950

63,090

77,860

89,340

92,310

61,800

26,570

22,770

14,350

12,320

31,720

71,180

1969

65,940

97,750

64,410

72,540

84,020

67,300

50,630

20,970

15,030

31,010

16,750

18,970

1970

28,830

16,940

38,230

79,200

99,990

49,920

16,940

8,291

Mean of
monthly
Discharge

34,200

41,300

46,200

63,400

80,700

60,600

37,000

19,000

19,100

26,100

24,300

26,300

** No Incomplete data have been used for statistical calculation

USGS 07263500 Arkansas River at Little Rock, AR