Station list
Available data
ROCK RIVER BASIN
05440000 KISHWAUKEE RIVER NEAR PERRYVILLE, IL
LOCATION.--Lat 42°11'45", long 88°59'55", in NE1/4NE1/4 sec.21, T.43 N., R.2 E., Winnebago County, Hydrologic Unit
07090006, on left bank at upstream side of bridge on Blackhawk Road, 1.4 mi downstream from South Branch Kishwaukee
River, 2 mi southwest of Perryville, 7.1 mi upstream from Killbuck Creek, and at mile 9.6.
DRAINAGE AREA.--1,099 mi2.
PERIOD OF RECORD.--October 1939 to current year.
REVISED RECORDS.--WSP 1175: 1941(P), 1942. WSP 1508: 1941, 1949. WDR IL-75-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 692.13 ft above sea level (levels by U.S. Army Corps of Engineers). Prior to
Apr. 30, 1949, nonrecording gage at same site and datum.
REMARKS.--Records good except those for Dec. 16-Jan. 15, which are fair, and those for estimated daily discharges, which are poor.
Gage-height telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in January 1938 reached a stage of 23.85 ft, from information by the
U.S. Army Corps of Engineers.
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 | 226 | 619 | 529 | e400 | 2060 | 881 | 596 | 2970 | 1070 | 1050 | 406 | 293
|
2 | 238 | 585 | 507 | e350 | 2230 | 861 | 593 | 2420 | 3000 | 1010 | 376 | 277
|
3 | 258 | 560 | 497 | e300 | 2660 | 916 | 582 | 2040 | 2810 | 958 | 355 | 265
|
4 | 276 | 539 | 494 | e330 | 2470 | 934 | 578 | 1790 | 2380 | 911 | 345 | 259
|
5 | 377 | 515 | 481 | e370 | 2090 | 872 | 564 | 1620 | 1920 | 841 | 331 | 248
|
|
6 | 468 | 497 | 505 | e410 | 1810 | 835 | 546 | 1840 | 1620 | 779 | 316 | 235
|
7 | 473 | 485 | 1040 | e390 | 1650 | 745 | 534 | 2420 | 1460 | 730 | 318 | 230
|
8 | 438 | 470 | 1530 | e380 | 1550 | e720 | 520 | 2210 | 1320 | 690 | 320 | 219
|
9 | 384 | 462 | 1310 | e380 | 1460 | e700 | 780 | 1870 | 1180 | 664 | 314 | 217
|
10 | 350 | 1160 | 1060 | e370 | 1440 | e690 | 1210 | 1630 | 1360 | 672 | 310 | 208
|
|
11 | 320 | 2220 | 912 | e360 | 1510 | e680 | 1150 | 1470 | 3910 | 636 | 302 | 204
|
12 | 298 | 1850 | 822 | e350 | 2120 | 673 | 953 | 1930 | 4120 | 597 | 321 | 204
|
13 | 284 | 1400 | 759 | e350 | 2220 | 671 | 797 | 2700 | 6000 | 561 | 331 | 209
|
14 | 276 | 1160 | 706 | e340 | 1790 | 677 | 724 | 2890 | 15000 | 527 | 326 | 216
|
15 | 274 | 1010 | 662 | e340 | 1490 | 691 | 739 | 2390 | 15300 | 501 | 300 | 211
|
|
16 | 267 | 890 | 644 | e330 | 1370 | 767 | 1690 | 1940 | 9850 | 476 | 289 | 203
|
17 | 426 | 812 | 649 | e330 | 1270 | 1160 | 2480 | 2380 | 5980 | 593 | 280 | 202
|
18 | 2270 | 739 | 641 | e330 | 1150 | 1730 | 2340 | 3100 | 4070 | 574 | 272 | 199
|
19 | 2910 | 698 | 636 | e330 | 1050 | 1660 | 1820 | 2980 | 3180 | 535 | 280 | 198
|
20 | 2460 | 663 | 605 | e320 | 965 | 1320 | 1510 | 2350 | 2610 | 614 | 286 | 195
|
|
21 | 1680 | 621 | 595 | e320 | 867 | 1140 | 1360 | 1910 | 2170 | 1420 | 275 | 208
|
22 | 1230 | 596 | 419 | e1200 | 805 | 1000 | 2840 | 2300 | 1900 | 941 | 271 | 198
|
23 | 986 | 586 | e450 | e5000 | 766 | 882 | 7730 | 2190 | 1860 | 915 | 286 | 191
|
24 | 850 | 565 | e490 | e6500 | 731 | 806 | 7910 | 1910 | 2000 | 753 | 1480 | 189
|
25 | 754 | 544 | e510 | 7260 | 706 | 745 | 6410 | 1660 | 1750 | 699 | 1580 | 186
|
|
26 | 690 | 540 | e520 | 6290 | 685 | 709 | 4710 | 1460 | 1530 | 627 | 791 | 182
|
27 | 666 | 518 | e510 | 5290 | 715 | 683 | 3680 | 1290 | 1360 | 576 | 550 | 214
|
28 | 713 | 501 | e470 | 3740 | 834 | 667 | 4750 | 1190 | 1260 | 518 | 444 | 1540
|
29 | 736 | 499 | e370 | 3060 | --- | 650 | 4490 | 1100 | 1170 | 472 | 383 | 3180
|
30 | 694 | 522 | e270 | 2520 | --- | 620 | 3810 | 1020 | 1090 | 458 | 345 | 2370
|
|
31 | 658 | --- | e340 | 2210 | --- | 600 | --- | 974 | --- | 427 | 311 | ---
|
TOTAL | 22930 | 22826 | 19933 | 50450 | 40464 | 26685 | 68396 | 61944 | 104230 | 21725 | 13094 | 12950
|
MEAN | 740 | 761 | 643 | 1627 | 1445 | 861 | 2280 | 1998 | 3474 | 701 | 422 | 432
|
MAX | 2910 | 2220 | 1530 | 7260 | 2660 | 1730 | 7910 | 3100 | 15300 | 1420 | 1580 | 3180
|
MIN | 226 | 462 | 270 | 300 | 685 | 600 | 520 | 974 | 1070 | 427 | 271 | 182
|
CFSM | .67 | .69 | .59 | 1.48 | 1.31 | .78 | 2.07 | 1.82 | 3.16 | .64 | .38 | .39
|
IN. | .78 | .77 | .67 | 1.71 | 1.37 | .90 | 2.32 | 2.10 | 3.53 | .74 | .44 | .44
|
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1999, BY WATER YEAR (WY)
|
---|
MEAN | 459 | 576 | 609 | 644 | 877 | 1425 | 1302 | 1036 | 927 | 608 | 453 | 445
|
MAX | 2309 | 2881 | 3230 | 2265 | 2963 | 5395 | 4267 | 3355 | 3827 | 3263 | 2853 | 3577
|
(WY) | 1973 | 1986 | 1983 | 1969 | 1997 | 1979 | 1993 | 1996 | 1993 | 1993 | 1987 | 1972
|
MIN | 75.5 | 95.8 | 83.5 | 68.8 | 98.8 | 230 | 280 | 212 | 214 | 135 | 97.4 | 78.9
|
(WY) | 1957 | 1957 | 1964 | 1959 | 1940 | 1956 | 1963 | 1949 | 1959 | 1941 | 1964 | 1946
|
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1940 - 1999 |
---|
ANNUAL TOTAL | 367867 | | 465627 | | |
|
ANNUAL MEAN | 1008 | | 1276 | | 779 |
|
HIGHEST ANNUAL MEAN | | | | | 1955 | 1993
|
LOWEST ANNUAL MEAN | | | | | 227 | 1977
|
HIGHEST DAILY MEAN | 5360 | May 9 | 15300 | Jun 15 | 16700 | Jul 19 1996
|
LOWEST DAILY MEAN | 190 A | Jan 1 | 182 | Sep 26 | 49 | Oct 10 1956
|
ANNUAL SEVEN-DAY MINIMUM | 219 | Sep 24 | 193 | Sep 20 | 52 | Sep 11 1964
|
INSTANTANEOUS PEAK FLOW | | | 16300 | Jun 15 | 24200 | Jul 18 1996
|
INSTANTANEOUS PEAK STAGE | | | 18.96 | Jun 15 | 23.54 | Jul 18 1996
|
INSTANTANEOUS LOW FLOW | | | 180 | Sep 26, 27 | 46 | B
|
ANNUAL RUNOFF (CFSM) | .92 | | 1.16 | | .71 |
|
ANNUAL RUNOFF (INCHES) | 12.45 | | 15.76 | | 9.63 |
|
10 PERCENT EXCEEDS | 2130 | | 2560 | | 1700 |
|
50 PERCENT EXCEEDS | 710 | | 706 | | 429 |
|
90 PERCENT EXCEEDS | 259 | | 277 | | 127 |
|
A - Estimated
B - Oct. 6, 7, 10. 1956.