Station list
Available data
ILLINOIS RIVER BASIN
05585000 LA MOINE RIVER AT RIPLEY, IL
LOCATION.--Lat 40°01'31", long 90°37'55", in SW1/4NE1/4 sec.33, T.1 N., R.2 W., Brown County, Hydrologic Unit 07130010,
on deck of bridge on old U.S. Highway 24, 600 ft downstream from bridge on new U.S. Highway 24, 0.2 mi east of Ripley, 2 mi
upstream from Town Branch, and at mile 12.3.
DRAINAGE AREA.--1,293 mi2.
PERIOD OF RECORD.--March 1921 to current year. Prior to October 1931, published as Crooked Creek at Ripley.
REVISED RECORDS.--WSP 975: 1936. WSP 1208: 1925, 1929, 1933. WDR IL-75-1: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 431.1 ft above sea level. Prior to July 28, 1926, nonrecording
gage at site 200 ft upstream at datum 0.02 ft higher. July 28, 1926 to Jan. 11, 1935, nonrecording gage at present site and datum.
REMARKS.--Records good except those for periods of backwater from the Illinois River, Feb. 5-6, 9-11, 14-21, Apr. 26-27, May 2-16,
21-31, June 1, and 16-26; and those for estimated daily discharges, which are poor. U. S. Army Corps of Engineers satellite
telemeter at station.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
|
---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
---|
|
1 | 76 | 220 | 395 | e200 | 3370 | 867 | 408 | 2580 | 1170 | 1560 | 233 | 45
|
2 | 129 | 410 | 345 | e270 | 3520 | 721 | 403 | 1550 | 2190 | 2270 | 179 | 43
|
3 | 119 | 2200 | 314 | e260 | 3230 | 656 | 418 | 1220 | 1530 | 1120 | 150 | 41
|
4 | 85 | 3740 | 280 | e240 | 2720 | 577 | 471 | 1050 | 1490 | 742 | 135 | 40
|
5 | 171 | 2300 | 272 | e230 | 1900 | 660 | 673 | 1570 | 1790 | 493 | 121 | 39
|
|
6 | 1080 | 1150 | 1030 | e280 | 1410 | 1920 | 679 | 1470 | 1430 | 372 | 109 | 37
|
7 | 1610 | 765 | 3510 | e260 | 2580 | 1230 | 1220 | 1090 | 1100 | 309 | 106 | 36
|
8 | 662 | 630 | 3830 | e250 | 2730 | e700 | 971 | 902 | 807 | 271 | 103 | 35
|
9 | 324 | 655 | 3110 | e240 | 1740 | e520 | 708 | 781 | 677 | 243 | 102 | 33
|
10 | 216 | 2160 | 1530 | e230 | 1210 | e600 | 1760 | 697 | 1200 | 222 | 102 | 32
|
|
11 | 168 | 4010 | 988 | e220 | 1810 | e700 | 2140 | 628 | 2600 | 207 | 98 | 32
|
12 | 138 | 4210 | 788 | e210 | 2770 | e800 | 1130 | 621 | 1760 | 192 | 297 | 33
|
13 | 115 | 4090 | 678 | e210 | 2000 | e900 | 789 | 753 | 1090 | 180 | 1670 | 32
|
14 | 101 | 2310 | 607 | e200 | 1320 | 1100 | 641 | 1090 | 827 | 164 | 197 | 32
|
15 | 91 | 1120 | 550 | e200 | 1010 | 1450 | 1150 | 1500 | 790 | 152 | 133 | 33
|
|
16 | 85 | 871 | 496 | e190 | 929 | 2240 | 5400 | 1480 | 691 | 142 | 120 | 33
|
17 | 82 | 716 | 460 | e190 | 856 | 2590 | 6800 | 2190 | 541 | 137 | 96 | 32
|
18 | 538 | 630 | 444 | e200 | 764 | 2180 | 6530 | 3770 | 458 | 129 | 80 | 32
|
19 | 2100 | 549 | 431 | e210 | 687 | 1510 | 6610 | 3290 | 403 | 121 | 230 | 32
|
20 | 1790 | 490 | 405 | e230 | 641 | 1060 | 6550 | 2420 | 353 | 113 | 323 | 31
|
|
21 | 804 | 452 | 375 | e250 | 604 | 851 | 3710 | 1800 | 321 | 109 | 125 | 31
|
22 | 459 | 410 | 313 | e3000 | 576 | 756 | 1810 | 1170 | 301 | 956 | 89 | 32
|
23 | 340 | 381 | e230 | e6000 | 549 | 683 | 3300 | 960 | 284 | 1450 | 73 | 33
|
24 | 276 | 362 | e210 | e7000 | 559 | 618 | 3000 | 827 | 1050 | 863 | 70 | 37
|
25 | 236 | 352 | e250 | e7500 | 585 | 568 | 2060 | 714 | 714 | 402 | 74 | 35
|
|
26 | 212 | 328 | e270 | e6500 | 590 | 521 | 1510 | 628 | 458 | 257 | 71 | 32
|
27 | 195 | 312 | e250 | 8970 | 791 | 480 | 1330 | 564 | 381 | 201 | 69 | 30
|
28 | 207 | 305 | e230 | 9640 | 910 | 464 | 2430 | 521 | 332 | 274 | 63 | 33
|
29 | 207 | 289 | e210 | 7990 | --- | 467 | 3830 | 485 | 306 | 613 | 61 | 408
|
30 | 232 | 323 | e190 | 6260 | --- | 461 | 4010 | 463 | 294 | 492 | 54 | 1720
|
|
31 | 246 | --- | e180 | 3600 | --- | 433 | --- | 448 | --- | 335 | 49 | ---
|
TOTAL | 13094 | 36740 | 23171 | 71230 | 42361 | 29283 | 72441 | 39232 | 27338 | 15091 | 5382 | 3094
|
MEAN | 422 | 1225 | 747 | 2298 | 1513 | 945 | 2415 | 1266 | 911 | 487 | 174 | 103
|
MAX | 2100 | 4210 | 3830 | 9640 | 3520 | 2590 | 6800 | 3770 | 2600 | 2270 | 1670 | 1720
|
MIN | 76 | 220 | 180 | 190 | 549 | 433 | 403 | 448 | 284 | 109 | 49 | 30
|
CFSM | .33 | .95 | .58 | 1.78 | 1.17 | .73 | 1.87 | .98 | .70 | .38 | .13 | .08
|
IN. | .38 | 1.06 | .67 | 2.05 | 1.22 | .84 | 2.08 | 1.13 | .79 | .43 | .15 | .09
|
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1921 - 1999, BY WATER YEAR (WY)
|
---|
MEAN | 440 | 525 | 502 | 638 | 1036 | 1331 | 1601 | 1404 | 1134 | 789 | 347 | 446
|
MAX | 5747 | 5949 | 5060 | 3338 | 3899 | 5785 | 5678 | 9257 | 6336 | 5975 | 1591 | 5726
|
(WY) | 1987 | 1986 | 1983 | 1946 | 1985 | 1985 | 1944 | 1995 | 1990 | 1993 | 1932 | 1961
|
MIN | 7.06 | 9.08 | 7.92 | 13.2 | 9.96 | 61.4 | 116 | 21.3 | 42.5 | 16.1 | 11.4 | 5.13
|
(WY) | 1957 | 1990 | 1990 | 1954 | 1989 | 1941 | 1934 | 1934 | 1936 | 1936 | 1936 | 1988
|
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1921 - 1999 |
---|
ANNUAL TOTAL | 562381 | | 378457 | | |
|
ANNUAL MEAN | 1541 | | 1037 | | 848 |
|
HIGHEST ANNUAL MEAN | | | | | 2452 | 1993
|
LOWEST ANNUAL MEAN | | | | | 50.2 | 1989
|
HIGHEST DAILY MEAN | 10100 | Jun 30 | 9640 | Jan 28 | 26800 | Mar 7 1985
|
LOWEST DAILY MEAN | 40 | Sep 13 | 30 | Sep 27, 28 | .96 | Sep 25 1989
|
ANNUAL SEVEN-DAY MINIMUM | 45 | Sep 8 | 32 | Sep 16 | 1.8 | Sep 22 1989
|
INSTANTANEOUS PEAK FLOW | | | 9920 | Jan 28 | 28000 A | Mar 7 1985
|
INSTANTANEOUS PEAK STAGE | | | 23.18 | Jan 28 | 29.15 B | May 18 1995
|
INSTANTANEOUS LOW FLOW | | | 30 | Sep 27, 28 | .00 | Sep 26 1989
|
ANNUAL RUNOFF (CFSM) | 1.19 | | .80 | | .66 |
|
ANNUAL RUNOFF (INCHES) | 16.18 | | 10.89 | | 8.91 |
|
10 PERCENT EXCEEDS | 4860 | | 2590 | | 2260 |
|
50 PERCENT EXCEEDS | 708 | | 493 | | 238 |
|
90 PERCENT EXCEEDS | 78 | | 74 | | 27 |
|
A - Gage height, 29.07 ft.
B - Observed.