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

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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.

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00060, Discharge, cubic feet per second,
YEAR	Monthly mean in ft3/s (Calculation Period: 1930-10-01 -> 1995-09-30)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1930										16,100	14,140	7,900
1931	8,500	16,010	16,500	19,020	15,380	31,940	21,010	10,780	8,320	10,360	9,785	6,200
1932	6,989	8,602	21,370	31,880	42,360	77,420	53,640	22,110	14,440	11,990	10,020	6,035
1933	8,956	8,831	26,830	31,810	43,020	71,430	39,350	14,520	18,910	11,750	13,220	9,190
1934	7,287	11,310	25,480	20,550	26,190	29,810	18,900	9,035	6,818	8,573	10,200	5,742
1935	5,606	10,480	13,910	24,190	23,110	57,380	48,550	17,440	10,150	8,811	6,796	7,384
1936	7,226	7,252	38,200	28,830	28,530	39,940	21,340	11,960	10,200	9,265	11,190	7,011
1937	7,126	6,338	16,330	25,920	16,530	56,240	48,300	15,710	8,054	10,620	8,943	5,196
1938	7,074	7,061	33,450	20,500	18,260	46,260	73,960	28,070	24,400	17,920	15,880	10,720
1939	12,930	9,282	26,240	55,270	30,600	49,910	36,140	16,540	10,490	9,807	11,390	10,150
1940	3,761	5,572	8,835	20,860	23,430	28,400	21,600	20,690	15,440	13,590	8,107	8,439
1941	6,990	7,171	10,910	26,780	20,940	54,790	25,370	22,040	25,090	21,040	15,580	7,814
1942	6,819	8,571	19,320	27,130	72,510	69,960	36,920	24,200	21,370	21,700	20,880	6,985
1943	8,355	8,596	33,180	93,870	26,690	64,720	66,750	27,550	30,310	28,290	28,530	17,350
1944	14,850	15,010	14,720	76,400	25,280	88,190	68,710	30,730	24,370	23,690	26,530	14,070
1945	14,690	21,390	52,270	26,410	14,550	40,900	45,910	26,950	23,430	28,720	19,290	8,913
1946	9,432	10,700	23,750	21,220	23,300	44,370	40,860	21,740	29,680	31,080	19,080	7,010
1947	10,150	13,420	24,150	67,870	44,640	73,900	62,010	37,750	32,570	36,410	27,060	12,190
1948	12,490	12,200	33,670	53,680	33,000	73,610	61,520	39,910	29,600	36,080	30,810	10,040
1949	11,820	14,260	42,770	75,290	33,190	41,450	31,580	26,650	28,750	28,980	21,230	9,445
1950	8,155	9,514	25,160	113,900	46,470	38,150	48,170	33,170	31,810	33,750	27,630	12,200
1951	16,910	14,390	19,770	63,150	33,270	51,750	39,670	41,010	43,650	43,070	37,730	13,560
1952	14,850	22,740	29,930	168,000	48,220	49,100	30,780	28,820	28,280	28,780	23,000	8,935
1953	12,980	14,970	33,880	25,980	36,970	65,010	37,790	29,420	33,000	32,620	17,720	13,320
1954	10,240	14,650	20,730	25,530	26,760	23,960	29,650	30,510	31,600	28,880	11,630	11,160
1955	8,926	9,196	15,320	26,230	30,920	29,970	28,330	32,070	34,550	32,190	11,840	9,058
1956	8,487	9,714	23,810	28,900	28,960	29,770	30,080	33,100	33,940	25,890	11,810	9,197
1957	9,222	8,466	8,085	17,740	26,680	22,890	27,510	30,600	28,380	28,120	11,800	8,351
1958	8,803	8,695	9,624	23,280	26,300	27,950	25,970	28,220	28,910	29,980	9,643	9,375
1959	10,240	10,530	11,170	24,760	22,550	24,510	27,270	29,790	30,480	28,110	10,670	8,372
1960	8,999	8,207	10,770	13,970	18,870	20,770	25,760	27,870	27,360	27,200	18,810	9,311
1961	9,467	7,869	9,421	22,520	23,390	21,780	28,060	27,490	27,560	12,580	5,892	8,394
1962	8,997	7,720	9,739	10,960	18,390	18,790	24,090	22,710	25,030	25,380	22,900	8,545
1963	8,222	5,464	10,580	25,990	26,560	25,220	30,090	28,970	27,860	29,070	24,060	8,466
1964	6,181	6,987	13,080	24,190	24,970	26,610	28,720	31,560	27,010	29,440	25,910	9,200
1965	7,673	7,896	8,819	19,320	24,230	23,720	26,690	31,670	28,270	29,570	27,840	16,970
1966	16,330	16,580	17,940	25,770	27,670	29,810	33,440	31,810	30,810	31,930	29,050	12,340
1967	11,100	7,837	18,300	29,850	32,280	24,060	31,000	35,630	35,540	34,870	30,360	16,570
1968	14,710	16,980	23,350	32,450	32,550	33,490	35,500	34,180	31,790	30,440	32,090	17,690
1969	16,610	17,510	18,730	23,210	34,330	34,650	34,690	53,520	52,880	46,250	40,370	19,240
1970	15,920	17,110	24,050	28,750	30,120	34,930	40,760	45,230	41,920	41,950	40,450	19,800
1971	15,770	17,390	25,360	35,100	44,560	48,640	48,340	48,600	48,750	50,560	52,380	27,110
1972	19,920	20,060	26,580	40,650	38,160	41,470	45,170	48,120	48,500	50,350	46,770	22,490
1973	20,670	20,350	20,100	23,000	28,320	29,410	30,150	31,810	31,640	26,820	28,370	17,200
1974	17,100	17,990	22,590	30,050	30,100	30,260	35,730	35,340	35,090	35,040	29,990	17,540
1975	17,460	17,270	19,770	29,050	32,480	38,590	53,870	62,980	62,660	62,570	62,180	28,170
1976	21,700	24,320	31,630	36,470	36,500	38,820	38,850	38,850	38,470	36,210	36,760	23,070
1977	18,530	15,970	20,940	29,900	31,450	31,990	33,640	33,120	31,720	31,130	28,130	14,490
1978	15,480	16,000	18,400	23,280	29,290	39,300	46,970	52,120	51,940	52,760	52,800	26,440
1979	20,360	22,980	15,290	28,980	38,490	40,900	37,560	35,550	36,120	38,750	35,890	26,340
1980	19,300	16,440	20,250	29,240	29,840	28,620	35,540	35,250	35,730	35,960	34,590	16,690
1981	14,530	14,370	22,650	33,650	32,860	31,340	32,450	31,200	32,010	31,610	18,280	13,640
1982	14,420	14,260	17,800	28,020	27,230	27,630	30,440	31,360	31,670	36,250	42,380	29,280
1983	23,880	23,770	20,840	16,870	24,180	20,030	28,370	38,200	38,320	38,470	37,290	24,190
1984	18,610	18,570	21,180	15,320	20,090	17,100	37,620	47,210	46,970	46,650	47,470	24,930
1985	20,670	21,000	20,550	22,610	29,140	32,030	33,080	32,980	31,820	31,850	33,790	20,390
1986	16,510	18,240	18,470	17,190	29,310	35,450	37,360	38,850	38,880	43,200	46,620	36,790
1987	26,490	22,790	22,680	28,970	27,560	28,000	30,640	30,750	29,830	31,850	31,710	18,720
1988	18,580	18,110	23,110	30,350	31,130	31,300	31,650	32,050	35,520	32,800	20,350	12,440
1989	12,150	15,270	13,400	27,940	30,990	31,880	31,090	31,850	27,580	27,950	10,250	14,470
1990	11,510	12,710	11,890	25,770	25,540	24,280	26,730	27,180	31,820	27,430	8,979	12,390
1991	14,230	10,300	10,930	23,780	25,740	24,810	26,670	28,880	31,280	27,750	9,998	12,570
1992	13,110	11,100	14,080	23,370	25,290	25,800	24,400	23,020	22,780	17,960	7,723	13,050
1993	13,190	12,940	12,560	11,500	17,520	18,020	9,006	11,040	19,200	21,390	20,150	16,130
1994	17,870	18,070	18,270	22,860	30,430	29,130	28,170	28,660	31,750	31,330	28,330	17,040
1995	16,490	17,420	20,280	18,270	21,250	33,520	38,870	52,780	57,330
Mean of monthly Discharge	13,000	13,600	20,500	33,400	29,500	38,100	36,000	31,100	30,500	29,300	24,200	14,100
** Incomplete data have been used for statistical calculation

00060, Discharge, cubic feet per second,

YEAR

Monthly mean in ft3/s (Calculation Period: 1930-10-01 -> 1995-09-30)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

1930

16,100

14,140

7,900

1931

8,500

16,010

16,500

19,020

15,380

31,940

21,010

10,780

8,320

10,360

9,785

6,200

1932

6,989

8,602

21,370

31,880

42,360

77,420

53,640

22,110

14,440

11,990

10,020

6,035

1933

8,956

8,831

26,830

31,810

43,020

71,430

39,350

14,520

18,910

11,750

13,220

9,190

1934

7,287

11,310

25,480

20,550

26,190

29,810

18,900

9,035

6,818

8,573

10,200

5,742

1935

5,606

10,480

13,910

24,190

23,110

57,380

48,550

17,440

10,150

8,811

6,796

7,384

1936

7,226

7,252

38,200

28,830

28,530

39,940

21,340

11,960

10,200

9,265

11,190

7,011

1937

7,126

6,338

16,330

25,920

16,530

56,240

48,300

15,710

8,054

10,620

8,943

5,196

1938

7,074

7,061

33,450

20,500

18,260

46,260

73,960

28,070

24,400

17,920

15,880

10,720

1939

12,930

9,282

26,240

55,270

30,600

49,910

36,140

16,540

10,490

9,807

11,390

10,150

1940

3,761

5,572

8,835

20,860

23,430

28,400

21,600

20,690

15,440

13,590

8,107

8,439

1941

6,990

7,171

10,910

26,780

20,940

54,790

25,370

22,040

25,090

21,040

15,580

7,814

1942

6,819

8,571

19,320

27,130

72,510

69,960

36,920

24,200

21,370

21,700

20,880

6,985

1943

8,355

8,596

33,180

93,870

26,690

64,720

66,750

27,550

30,310

28,290

28,530

17,350

1944

14,850

15,010

14,720

76,400

25,280

88,190

68,710

30,730

24,370

23,690

26,530

14,070

1945

14,690

21,390

52,270

26,410

14,550

40,900

45,910

26,950

23,430

28,720

19,290

8,913

1946

9,432

10,700

23,750

21,220

23,300

44,370

40,860

21,740

29,680

31,080

19,080

7,010

1947

10,150

13,420

24,150

67,870

44,640

73,900

62,010

37,750

32,570

36,410

27,060

12,190

1948

12,490

12,200

33,670

53,680

33,000

73,610

61,520

39,910

29,600

36,080

30,810

10,040

1949

11,820

14,260

42,770

75,290

33,190

41,450

31,580

26,650

28,750

28,980

21,230

9,445

1950

8,155

9,514

25,160

113,900

46,470

38,150

48,170

33,170

31,810

33,750

27,630

12,200

1951

16,910

14,390

19,770

63,150

33,270

51,750

39,670

41,010

43,650

43,070

37,730

13,560

1952

14,850

22,740

29,930

168,000

48,220

49,100

30,780

28,820

28,280

28,780

23,000

8,935

1953

12,980

14,970

33,880

25,980

36,970

65,010

37,790

29,420

33,000

32,620

17,720

13,320

1954

10,240

14,650

20,730

25,530

26,760

23,960

29,650

30,510

31,600

28,880

11,630

11,160

1955

8,926

9,196

15,320

26,230

30,920

29,970

28,330

32,070

34,550

32,190

11,840

9,058

1956

8,487

9,714

23,810

28,900

28,960

29,770

30,080

33,100

33,940

25,890

11,810

9,197

1957

9,222

8,466

8,085

17,740

26,680

22,890

27,510

30,600

28,380

28,120

11,800

8,351

1958

8,803

8,695

9,624

23,280

26,300

27,950

25,970

28,220

28,910

29,980

9,643

9,375

1959

10,240

10,530

11,170

24,760

22,550

24,510

27,270

29,790

30,480

28,110

10,670

8,372

1960

8,999

8,207

10,770

13,970

18,870

20,770

25,760

27,870

27,360

27,200

18,810

9,311

1961

9,467

7,869

9,421

22,520

23,390

21,780

28,060

27,490

27,560

12,580

5,892

8,394

1962

8,997

7,720

9,739

10,960

18,390

18,790

24,090

22,710

25,030

25,380

22,900

8,545

1963

8,222

5,464

10,580

25,990

26,560

25,220

30,090

28,970

27,860

29,070

24,060

8,466

1964

6,181

6,987

13,080

24,190

24,970

26,610

28,720

31,560

27,010

29,440

25,910

9,200

1965

7,673

7,896

8,819

19,320

24,230

23,720

26,690

31,670

28,270

29,570

27,840

16,970

1966

16,330

16,580

17,940

25,770

27,670

29,810

33,440

31,810

30,810

31,930

29,050

12,340

1967

11,100

7,837

18,300

29,850

32,280

24,060

31,000

35,630

35,540

34,870

30,360

16,570

1968

14,710

16,980

23,350

32,450

32,550

33,490

35,500

34,180

31,790

30,440

32,090

17,690

1969

16,610

17,510

18,730

23,210

34,330

34,650

34,690

53,520

52,880

46,250

40,370

19,240

1970

15,920

17,110

24,050

28,750

30,120

34,930

40,760

45,230

41,920

41,950

40,450

19,800

1971

15,770

17,390

25,360

35,100

44,560

48,640

48,340

48,600

48,750

50,560

52,380

27,110

1972

19,920

20,060

26,580

40,650

38,160

41,470

45,170

48,120

48,500

50,350

46,770

22,490

1973

20,670

20,350

20,100

23,000

28,320

29,410

30,150

31,810

31,640

26,820

28,370

17,200

1974

17,100

17,990

22,590

30,050

30,100

30,260

35,730

35,340

35,090

35,040

29,990

17,540

1975

17,460

17,270

19,770

29,050

32,480

38,590

53,870

62,980

62,660

62,570

62,180

28,170

1976

21,700

24,320

31,630

36,470

36,500

38,820

38,850

38,470

36,210

36,760

23,070

1977

18,530

15,970

20,940

29,900

31,450

31,990

33,640

33,120

31,720

31,130

28,130

14,490

1978

15,480

16,000

18,400

23,280

29,290

39,300

46,970

52,120

51,940

52,760

52,800

26,440

1979

20,360

22,980

15,290

28,980

38,490

40,900

37,560

35,550

36,120

38,750

35,890

26,340

1980

19,300

16,440

20,250

29,240

29,840

28,620

35,540

35,250

35,730

35,960

34,590

16,690

1981

14,530

14,370

22,650

33,650

32,860

31,340

32,450

31,200

32,010

31,610

18,280

13,640

1982

14,420

14,260

17,800

28,020

27,230

27,630

30,440

31,360

31,670

36,250

42,380

29,280

1983

23,880

23,770

20,840

16,870

24,180

20,030

28,370

38,200

38,320

38,470

37,290

24,190

1984

18,610

18,570

21,180

15,320

20,090

17,100

37,620

47,210

46,970

46,650

47,470

24,930

1985

20,670

21,000

20,550

22,610

29,140

32,030

33,080

32,980

31,820

31,850

33,790

20,390

1986

16,510

18,240

18,470

17,190

29,310

35,450

37,360

38,850

38,880

43,200

46,620

36,790

1987

26,490

22,790

22,680

28,970

27,560

28,000

30,640

30,750

29,830

31,850

31,710

18,720

1988

18,580

18,110

23,110

30,350

31,130

31,300

31,650

32,050

35,520

32,800

20,350

12,440

1989

12,150

15,270

13,400

27,940

30,990

31,880

31,090

31,850

27,580

27,950

10,250

14,470

1990

11,510

12,710

11,890

25,770

25,540

24,280

26,730

27,180

31,820

27,430

8,979

12,390

1991

14,230

10,300

10,930

23,780

25,740

24,810

26,670

28,880

31,280

27,750

9,998

12,570

1992

13,110

11,100

14,080

23,370

25,290

25,800

24,400

23,020

22,780

17,960

7,723

13,050

1993

13,190

12,940

12,560

11,500

17,520

18,020

9,006

11,040

19,200

21,390

20,150

16,130

1994

17,870

18,070

18,270

22,860

30,430

29,130

28,170

28,660

31,750

31,330

28,330

17,040

1995

16,490

17,420

20,280

18,270

21,250

33,520

38,870

52,780

57,330

Mean of
monthly
Discharge

13,000

13,600

20,500

33,400

29,500

38,100

36,000

31,100

30,500

29,300

24,200

14,100

** Incomplete data have been used for statistical calculation

USGS 06467500 MISSOURI RIVER AT YANKTON, SD