05572000 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05572000 SANGAMON RIVER AT MONTICELLO, IL

LOCATION.-- Lat 40°01'51", long 88°35'20", in NE1/4SW1/4 sec.12, T.18 N., R.5 E., Piatt County, Hydrologic Unit 07130006, on right downstream side of highway bridge, 0.5 mi west of Monticello, and at mile 162.2.

DRAINAGE AREA.-- 550 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: February 1908 to December 1912, June 1914 to current year. Monthly discharge only for some periods, published in WSP 1308. Published as "near Monticello" 1910-12.

STAGE: Water years 1994-2001.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1990-92 and 1998 to current.

MISCELLANEOUS: Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996; streambank sediment size, October 1997; streambed sediment size, October 1997.

BIOLOGICAL

BENTHIC MACROINVERTEBRATES: Water years 1996-1998.

FISH: Water years 1997 and 1998.

HABITAT: Water years 1996-1998.

REVISED RECORDS.-- WSP 525: 1920. WSP 1115: 1946-47. WSP 1208: 1915-16, 1918-20, 1927, 1929, 1939. WSP 1508: 1908(M), 1917, 1928(M). WDR IL-81-2: 1909(P), 1912(P), 1915(P), 1919-32(P), 1935(P), 1937-38(P), 1940-41(P), 1944(P), 1946-47(P). WDR IL-89-2: 1988.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 625.89 ft above sea level. Prior to Sept. 30, 1964, nonrecording gage at site 0.2 mi downstream at same datum. Oct. 1, 1964, to Oct. 22, 1971, nonrecording gage at present site and datum. Water temperature and specific conductance continuously recorded at station for the National Water-Quality Assessment Program.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 19,000 ft³/s, Oct. 4, 1926, gage height, 18.50 ft, from graph based on gage readings, site then in use; maximum gage height, 19.06 ft, Apr. 13, 1994, discharge, 15,900 ft³/s; no flow Aug. 28, Sept. 5, 11, 17, 18, Oct. 30, 31, Nov. 1, 1988.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	14	23	108	e61	e2000	2860	299	170	210	103	17	38
2	13	22	103	e60	e1900	2120	284	169	209	93	20	21
3	11	22	98	e64	e1600	1490	268	167	227	107	17	61
4	14	21	96	e68	e1200	1110	250	164	344	107	14	34
5	29	20	95	e71	e850	917	242	162	449	116	12	20

6	59	30	72	e72	702	790	246	154	707	121	12	14
7	87	46	102	e71	671	683	253	174	1010	105	12	25
8	74	63	105	69	731	606	565	177	1230	84	11	10
9	60	92	79	64	1330	543	546	161	1310	91	11	15
10	51	336	e82	59	2110	486	364	149	981	72	11	17

11	43	490	e90	56	2500	449	337	148	676	64	9.6	20
12	36	436	e110	54	2950	425	464	142	548	58	9.0	11
13	31	350	e140	53	2400	418	734	130	463	51	8.6	10
14	26	320	e190	61	1610	394	581	125	398	44	8.4	8.5
15	35	286	e170	104	1960	378	448	122	352	39	8.0	5.8

16	46	252	e150	149	2040	419	397	120	317	35	8.4	4.7
17	48	213	e130	e160	1890	548	367	121	281	36	7.8	4.6
18	48	177	e120	e150	1410	732	327	135	248	33	8.9	5.9
19	44	156	e110	e130	899	831	296	166	225	30	7.3	5.0
20	42	139	e100	e115	715	782	286	292	206	28	9.1	4.6

21	38	120	e95	e105	593	696	279	276	204	25	9.9	5.2
22	35	97	e90	e96	508	609	266	228	214	25	11	4.5
23	33	103	e85	e90	452	534	254	197	226	29	21	4.7
24	30	104	e80	e85	896	474	236	175	220	27	13	5.8
25	28	100	e75	e80	4670	425	225	161	186	23	12	4.9

26	26	108	e71	e76	5380	388	211	178	161	20	10	4.3
27	24	120	e68	e72	5950	358	203	184	141	20	13	3.9
28	21	124	e66	e68	4330	343	195	291	130	19	13	3.8
29	19	122	e64	142	---	330	183	376	119	19	11	3.0
30	21	115	e63	1540	---	320	173	288	112	18	13	2.9

31	26	---	e62	e1800	---	310	---	233	---	17	16	---

TOTAL	1112	4607	3069	5845	54247	21768	9779	5735	12104	1659	365.0	378.1
MEAN	35.9	154	99.0	189	1937	702	326	185	403	53.5	11.8	12.6
MAX	87	490	190	1800	5950	2860	734	376	1310	121	21	61
MIN	11	20	62	53	452	310	173	120	112	17	7.3	2.9
CFSM	.07	.28	.18	.34	3.52	1.28	.59	.34	.73	.10	.02	.02
IN.	.08	.31	.21	.40	3.67	1.47	.66	.39	.82	.11	.02	.03

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1908 - 2001, BY WATER YEAR (WY)
MEAN	172	240	340	418	580	713	805	717	500	282	149	114
MAX	2868	2842	2155	2636	1937	2472	2753	3609	2081	1585	1486	2427
(WY)	1927	1986	1928	1950	2001	1979	1922	1908	1974	1993	1981	1926
MIN	1.32	5.50	3.67	3.43	10.0	20.2	57.6	42.6	19.3	3.85	1.76	.48
(WY)	1989	1915	1964	1977	1931	1931	1931	1934	1934	1988	1988	1988

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1908 - 2001
ANNUAL TOTAL	48834.9		120668.1
ANNUAL MEAN	133		331		416
HIGHEST ANNUAL MEAN					1105	1927
LOWEST ANNUAL MEAN					68.0	1934
HIGHEST DAILY MEAN	1610	May 29	5950	Feb 27	18700	Oct 4 1926
LOWEST DAILY MEAN	5.9	Jan 29	2.9	Sep 30	.00	A
ANNUAL SEVEN-DAY MINIMUM	6.5	Jan 27	4.1	Sep 24	.07	Sep 11 1988
MAXIMUM PEAK FLOW			6170	Feb 27	19000 B	Oct 4 1926
MAXIMUM PEAK STAGE			15.38	Feb 27	19.06 C	Apr 13 1994
INSTANTANEOUS LOW FLOW			2.6	Sep 30
ANNUAL RUNOFF (CFSM)	.24		.60		.76
ANNUAL RUNOFF (INCHES)	3.30		8.16		10.27
10 PERCENT EXCEEDS	292		733		1100
50 PERCENT EXCEEDS	75		110		156
90 PERCENT EXCEEDS	11		11		11

	A - Aug. 28, Sept. 5, 11, 17, 18, Oct. 30 to Nov. 1, 1988.
	B - Gage height, 18.50 ft, from graph based on gage readings, site then in use.
	C - Discharge, 15,900 ft³/s.