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DRAINAGE AREA.--844 sq mi.<br />

PERIOD OF RECORD.--March 1940 to September 1970.<br />

GAGE.--Water-stage<br />

DBS MOINES RIVER BASIN<br />

05481000 BOONE RIVER NEAR WEBSTER CITY, IOWA<br />

AVERAGE DISCHARGE.--30 years, 354 cfs (S.70 inches per year, 256,500 acre-ft per<br />

year, 188,000 acre-ft per year).<br />

EXTREMES. --Maxi.mums<br />

aiid<br />

minimums (dis charge in cubic feet per second, , gage heiight<br />

in fe et):<br />

Date<br />

Oct.<br />

June<br />

June<br />

June<br />

1,<br />

15,<br />

10,<br />

16,<br />

29,<br />

Annusil<br />

maxijaum<br />

discharg;e<br />

(« ) and peak discha rges £ ibove base;<br />

(2,200 cfs), wate r yea TS 1966- 70<br />

1965<br />

1966<br />

1967<br />

1967<br />

1967<br />

Time<br />

00<strong>01</strong><br />

1030<br />

1615<br />

1615<br />

0645<br />

Disch. G. H.<br />

*S,610 a9. 59<br />

b2,140 5. .71<br />

9,840 12. 64<br />

4,040 7. 90<br />

2,380 6. 03<br />

a Stage falling.<br />

b Maximum peak discharge during yea<br />

c From floodmark.<br />

Wtr yr Date<br />

1966 Sept.24, 1966<br />

1967 Oct. 9, 1966<br />

1968 Jan. 10-14, 1968<br />

REMARK<br />

Date<br />

July 17,<br />

Oct. 19,<br />

Mar. 20,<br />

Mar. 25,<br />

Apr. 6,<br />

1968<br />

1968<br />

1969<br />

1969<br />

1969<br />

Time<br />

_<br />

<strong>01</strong>00<br />

1815<br />

1030<br />

2130<br />

Disch.<br />

*3,040<br />

2,600<br />

4,280<br />

8,170<br />

3,460<br />

G.H.<br />

C6.83<br />

6.35<br />

8.21<br />

11.55<br />

7.30<br />

Annual minimum daily discharge, water years 1966-70<br />

1969-70 are published in reports of the Geological Survey.<br />

Date<br />

Apr. 18,<br />

June 29,<br />

July 10,<br />

July 26,<br />

Wtr yr Date<br />

1969 Sept.28, 1969<br />

1970 Sept. 6-8, 1970<br />

COOPERATION.--Twenty-six discharge measurements furnished by Corps of Engineers.<br />

1969<br />

1969<br />

1969<br />

1969<br />

May 16, 1970<br />

REVISIONS (WATER YEARS).--WSP 1308: 1940(M). WSP 1438: Drainage area. WSP 1708: 1956.<br />

2<br />

*<br />

5<br />

6<br />

8<br />

9<br />

11<br />

12<br />

14<br />

15<br />

17<br />

18<br />

19<br />

21<br />

23<br />

24<br />

26<br />

27<br />

28<br />

29<br />

30<br />

MIN<br />

CFSH<br />

IN.<br />

4,580<br />

2,880<br />

2,310<br />

1,900<br />

1,360<br />

1,180<br />

908<br />

824<br />

725<br />

675<br />

586<br />

564<br />

542<br />

610<br />

675<br />

645<br />

550<br />

514<br />

474<br />

449<br />

429<br />

417<br />

1.48<br />

1.70<br />

DISCHARGE,<br />

374<br />

347<br />

335<br />

325<br />

312<br />

308<br />

288<br />

298<br />

330<br />

330<br />

322<br />

298<br />

277<br />

277<br />

256<br />

247<br />

250<br />

168<br />

128<br />

150<br />

212<br />

128<br />

.34<br />

.38<br />

HTR YR 1966 TOTAL 148,816.3<br />

harge<br />

Time<br />

1530<br />

0730<br />

2330<br />

0345<br />

IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1965 TO SEPTEHE ER 1966<br />

235<br />

226<br />

210<br />

196<br />

193<br />

202<br />

253<br />

773<br />

998<br />

S18<br />

625<br />

555<br />

496<br />

417<br />

360<br />

330<br />

170<br />

84<br />

136<br />

200<br />

360<br />

84<br />

.46<br />

.53<br />

310<br />

254<br />

232<br />

200<br />

100<br />

160<br />

218<br />

212<br />

182<br />

168<br />

140<br />

130<br />

120<br />

106<br />

MEAN 4 J8<br />

80<br />

71<br />

68<br />

64<br />

57<br />

. 18<br />

.20<br />

54<br />

52<br />

51<br />

50<br />

250<br />

800<br />

1,310<br />

1,060<br />

396<br />

300<br />

180<br />

150<br />

88<br />

114<br />

124<br />

121<br />

118<br />

121<br />

49<br />

.35<br />

.36<br />

MAX 5,390<br />

140 , 780<br />

158 ,<br />

125 , 100<br />

111<br />

145<br />

158<br />

81<br />

71<br />

60<br />

60<br />

74<br />

184<br />

205<br />

500<br />

795<br />

775<br />

760<br />

80<br />

.45<br />

.52<br />

MIN 8.7<br />

902<br />

690<br />

615<br />

564<br />

586<br />

615<br />

586<br />

537<br />

514<br />

488<br />

4<strong>01</strong> 1 ,260<br />

385 1 ,400<br />

374<br />

362<br />

1 ,070<br />

818<br />

333<br />

.81<br />

.91<br />

302<br />

268<br />

268<br />

256<br />

247<br />

244<br />

288<br />

449<br />

492<br />

478<br />

441<br />

4<strong>01</strong><br />

229<br />

.60<br />

.69<br />

CFSM . 4B<br />

429<br />

355<br />

347<br />

389<br />

470<br />

890<br />

1,270<br />

2,040<br />

2,100<br />

1 ,190<br />

890<br />

735<br />

665<br />

417<br />

370<br />

397<br />

347<br />

.90<br />

1.00<br />

IN 6.56<br />

ion by local i<br />

15,000 cfs).<br />

302<br />

202<br />

176<br />

142<br />

128<br />

113<br />

104<br />

189<br />

1*0<br />

102<br />

88<br />

81<br />

66<br />

60<br />

53<br />

93<br />

86<br />

88<br />

53<br />

.15<br />

.18<br />

AC-FT 295, 200<br />

Disch. G.H.<br />

2,400 6.12<br />

7,430 Cll.14<br />

4,970 9.09<br />

2,590 6.45<br />

*5,950 9.83<br />

daily.<br />

66<br />

58<br />

56<br />

56<br />

56<br />

47<br />

41<br />

34<br />

32<br />

30<br />

26<br />

32<br />

32<br />

68<br />

53<br />

37<br />

32<br />

28<br />

23<br />

130<br />

23<br />

.06<br />

.06<br />

23<br />

19<br />

18<br />

16<br />

18<br />

16<br />

15<br />

14<br />

12<br />

12<br />

12<br />

12<br />

10<br />

10<br />

9.6<br />

8.7<br />

12<br />

12<br />

15<br />

16<br />

14<br />

23<br />

8.7<br />

.02<br />

.02

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