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: 1954-09-01 -> 1999-12-31)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1954									9,325	7,674
1955					8,516	50,410	54,400	20,050	11,130	7,722
1956					19,030	32,550	28,440	13,150	11,710	5,911
1957					39,230	43,480	27,660	17,250	9,800	7,249
1958		1,842	1,747	3,827	27,790	38,600	14,020	9,562	6,872	9,614	6,662
1959					21,790	73,140	37,980	16,760	17,430	9,781
1960			1,768	3,442	24,770	52,930	47,970	20,120	10,270	13,070	5,106	3,200
1961	3,200	2,120	2,120	4,398	31,440	59,490	27,160	11,370	11,030	17,680
1962		2,520	1,950	3,725	17,140	72,110	59,000	28,880	17,190	8,924	7,559
1963					26,920	43,990	49,160	19,190	14,500	10,810
1964						76,760	32,730	22,590	9,952	9,556	5,268	2,391
1965	2,179	2,064	2,144	3,705	15,270	44,430	31,280	13,630	11,520	9,008	5,659	3,320
1966	1,908	1,625	2,045	4,107	12,900	48,680	33,750	20,250	13,910	10,310	4,539	3,056
1967	2,544	2,131	2,003	2,384	19,980	67,130	26,250	15,070	14,470	13,530	4,319	2,826
1968	2,421	2,237	1,931	2,029	23,070	36,670	31,620	13,780	22,420	10,790	3,860	2,383
1969	1,339	1,161	1,130	2,173	22,840	44,800	20,300	25,790	21,470	10,440	5,749	4,438
1970	3,279	2,544	2,225	2,315	14,470	54,930	29,080	21,250	14,230	14,710	5,549	3,031
1971	2,210	2,021	1,859	1,895	18,750	53,220	25,280	16,730	14,790	10,240	3,408	2,528
1972	1,994	2,039	1,829	1,743	23,470	61,110	29,420	21,070	14,330	12,910	5,657	3,262
1973	2,191	2,208	2,050	2,568	22,310	48,180	38,470	20,780	23,160	9,305	3,601	3,153
1974	2,287	1,915	1,689	2,622	16,920	39,870	45,720	29,570	15,320	24,710	8,697	4,735
1975	2,930	2,470	2,109	2,487	16,100	37,520	40,830	22,590	13,470	8,877	3,701	2,547
1976	2,263	2,197	1,929	2,529	20,240	50,760	47,450	27,740	16,180	11,000	5,857	2,680
1977	2,366	2,269	2,116	4,905	23,690	51,910	37,550	21,770	11,520	7,749	3,772	2,459
1978	1,956	1,883	1,779	2,714	11,080	32,760	16,130	13,400	10,200	13,290	6,283	3,164
1979	2,163	1,658	1,714	2,379	24,210	54,610	38,080	14,660	10,910	12,170	4,226	2,779
1980	2,147	2,005	1,918	2,883	26,620	43,500	36,900	22,540	19,840	22,800	9,239	4,201
1981	3,604	3,139	2,804	2,773	42,920	62,160	40,790	17,850	16,040	11,010	8,559	4,852
1982	2,821	2,476	2,115	1,947	11,800	62,020	28,880	14,620	16,250	11,360	5,265	3,713
1983	2,874	2,221	1,915	3,065	25,610	46,700	27,570	18,830	17,800	10,170	4,335	2,201
1984	1,744	1,671	1,818	2,541	14,260	42,770	32,050	25,660	19,060	11,670	3,795	2,803
1985	2,720	2,406	2,398	2,671	21,080	47,510	54,920	18,940	16,130	10,700	3,591	2,651
1986	2,031	1,384	1,592	1,901	11,720	44,000	39,090	16,220	12,120	26,800	9,362	5,589
1987	3,436	2,392	2,292	2,871	21,320	52,860	43,070	16,180	16,230	19,860	6,682	4,464
1988	2,795	2,215	1,998	3,668	31,200	53,280	38,990	23,810	13,370	12,160	5,941	4,195
1989	3,258	2,611	2,488	4,089	37,180	44,470	31,260	20,480	10,950	10,130	5,330	5,259
1990	3,048	2,138	1,650	3,725	41,590	68,710	29,980	14,060	10,700	7,091	3,788	3,341
1991	2,699	2,380	2,095	4,306	34,120	43,850	27,990	16,560	25,970	18,940	8,160	5,527
1992	3,989	2,982	3,020	6,345	22,220	72,430	33,500	12,060	11,750	14,450	5,073	2,980
1993	2,248	2,793	2,250	5,067	45,030	43,890	25,890	14,330	8,566	8,588	6,626	3,332
1994	2,797	2,487	2,977	4,507	29,060	43,600	34,560	18,700	23,480	15,100	5,576	4,022
1995	2,877	2,515	2,003	3,837	30,060	24,500	23,370	18,190	12,420	7,406	3,521	3,366
1996	2,274	2,070	2,445	3,629	15,880	48,990	36,090	20,680	13,440	10,300	3,966	3,338
1997	2,337	2,066	1,967	2,316	30,850	48,060	33,390	22,400	17,630	10,320	4,694	3,749
1998	2,655	2,400	2,194	3,500	32,200	30,520	15,850	10,090	9,945	10,510	5,317	3,729
1999	2,524	2,343	2,294	3,233	14,410	56,150	28,440	15,010	10,850	9,478	6,198	3,023
Mean of monthly Discharge	2,560	2,200	2,060	3,200	23,700	50,000	34,100	18,500	14,300	11,900	5,500	3,470
** No Incomplete data have been used for statistical calculation

00060, Discharge, cubic feet per second,

YEAR

Monthly mean in ft3/s (Calculation Period: 1954-09-01 -> 1999-12-31)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

1954

9,325

7,674

1955

8,516

50,410

54,400

20,050

11,130

7,722

1956

19,030

32,550

28,440

13,150

11,710

5,911

1957

39,230

43,480

27,660

17,250

9,800

7,249

1958

1,842

1,747

3,827

27,790

38,600

14,020

9,562

6,872

9,614

6,662

1959

21,790

73,140

37,980

16,760

17,430

9,781

1960

1,768

3,442

24,770

52,930

47,970

20,120

10,270

13,070

5,106

3,200

1961

3,200

2,120

4,398

31,440

59,490

27,160

11,370

11,030

17,680

1962

2,520

1,950

3,725

17,140

72,110

59,000

28,880

17,190

8,924

7,559

1963

26,920

43,990

49,160

19,190

14,500

10,810

1964

76,760

32,730

22,590

9,952

9,556

5,268

2,391

1965

2,179

2,064

2,144

3,705

15,270

44,430

31,280

13,630

11,520

9,008

5,659

3,320

1966

1,908

1,625

2,045

4,107

12,900

48,680

33,750

20,250

13,910

10,310

4,539

3,056

1967

2,544

2,131

2,003

2,384

19,980

67,130

26,250

15,070

14,470

13,530

4,319

2,826

1968

2,421

2,237

1,931

2,029

23,070

36,670

31,620

13,780

22,420

10,790

3,860

2,383

1969

1,339

1,161

1,130

2,173

22,840

44,800

20,300

25,790

21,470

10,440

5,749

4,438

1970

3,279

2,544

2,225

2,315

14,470

54,930

29,080

21,250

14,230

14,710

5,549

3,031

1971

2,210

2,021

1,859

1,895

18,750

53,220

25,280

16,730

14,790

10,240

3,408

2,528

1972

1,994

2,039

1,829

1,743

23,470

61,110

29,420

21,070

14,330

12,910

5,657

3,262

1973

2,191

2,208

2,050

2,568

22,310

48,180

38,470

20,780

23,160

9,305

3,601

3,153

1974

2,287

1,915

1,689

2,622

16,920

39,870

45,720

29,570

15,320

24,710

8,697

4,735

1975

2,930

2,470

2,109

2,487

16,100

37,520

40,830

22,590

13,470

8,877

3,701

2,547

1976

2,263

2,197

1,929

2,529

20,240

50,760

47,450

27,740

16,180

11,000

5,857

2,680

1977

2,366

2,269

2,116

4,905

23,690

51,910

37,550

21,770

11,520

7,749

3,772

2,459

1978

1,956

1,883

1,779

2,714

11,080

32,760

16,130

13,400

10,200

13,290

6,283

3,164

1979

2,163

1,658

1,714

2,379

24,210

54,610

38,080

14,660

10,910

12,170

4,226

2,779

1980

2,147

2,005

1,918

2,883

26,620

43,500

36,900

22,540

19,840

22,800

9,239

4,201

1981

3,604

3,139

2,804

2,773

42,920

62,160

40,790

17,850

16,040

11,010

8,559

4,852

1982

2,821

2,476

2,115

1,947

11,800

62,020

28,880

14,620

16,250

11,360

5,265

3,713

1983

2,874

2,221

1,915

3,065

25,610

46,700

27,570

18,830

17,800

10,170

4,335

2,201

1984

1,744

1,671

1,818

2,541

14,260

42,770

32,050

25,660

19,060

11,670

3,795

2,803

1985

2,720

2,406

2,398

2,671

21,080

47,510

54,920

18,940

16,130

10,700

3,591

2,651

1986

2,031

1,384

1,592

1,901

11,720

44,000

39,090

16,220

12,120

26,800

9,362

5,589

1987

3,436

2,392

2,292

2,871

21,320

52,860

43,070

16,180

16,230

19,860

6,682

4,464

1988

2,795

2,215

1,998

3,668

31,200

53,280

38,990

23,810

13,370

12,160

5,941

4,195

1989

3,258

2,611

2,488

4,089

37,180

44,470

31,260

20,480

10,950

10,130

5,330

5,259

1990

3,048

2,138

1,650

3,725

41,590

68,710

29,980

14,060

10,700

7,091

3,788

3,341

1991

2,699

2,380

2,095

4,306

34,120

43,850

27,990

16,560

25,970

18,940

8,160

5,527

1992

3,989

2,982

3,020

6,345

22,220

72,430

33,500

12,060

11,750

14,450

5,073

2,980

1993

2,248

2,793

2,250

5,067

45,030

43,890

25,890

14,330

8,566

8,588

6,626

3,332

1994

2,797

2,487

2,977

4,507

29,060

43,600

34,560

18,700

23,480

15,100

5,576

4,022

1995

2,877

2,515

2,003

3,837

30,060

24,500

23,370

18,190

12,420

7,406

3,521

3,366

1996

2,274

2,070

2,445

3,629

15,880

48,990

36,090

20,680

13,440

10,300

3,966

3,338

1997

2,337

2,066

1,967

2,316

30,850

48,060

33,390

22,400

17,630

10,320

4,694

3,749

1998

2,655

2,400

2,194

3,500

32,200

30,520

15,850

10,090

9,945

10,510

5,317

3,729

1999

2,524

2,343

2,294

3,233

14,410

56,150

28,440

15,010

10,850

9,478

6,198

3,023

Mean of
monthly
Discharge

2,560

2,200

2,060

3,200

23,700

50,000

34,100

18,500

14,300

11,900

5,500

3,470

** No Incomplete data have been used for statistical calculation

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