05467000 DATA: Discharge Tables, 1999

Station list Available data
POPE CREEK BASIN

05467000 POPE CREEK NEAR KEITHSBURG, IL

LOCATION.--Lat 41°07'42", long 90°55'10", in SE1/4SE1/4 sec.11, T.13 N., R.5 W., Mercer County, Hydrologic Unit 07080104, on right bank at downstream side of bridge on County Road 900 E, 1.8 mi northeast of Keithsburg, and at mile 3.0.

DRAINAGE AREA.--174 mi².

PERIOD OF RECORD.--October 1934 to September 1986. Monthly discharge only for some periods, published in WSP 1308. Seven-month period (March to September), water years 1987-90. October 1990 to September 1996. October 1997 to current year.

REVISED RECORDS.--WSP 1508: 1935-37(M), 1938, 1939-43(M). WDR IL-81-1: Drainage area.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 524.07 ft above sea level (levels by U.S. Army Corps of Engineers). Prior to Aug. 1, 1975, nonrecording gage and crest-stage gage at site 1,000 ft upstream at same datum. Aug. 1, 1975 to Aug. 24, 1981, water-stage recorder at site 500 ft downstream at same datum.

REMARKS.--Records fair except 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	16	218	176	e105	264	114	77	372	171	470	32	13
2	18	261	164	e100	372	110	75	306	226	228	30	12
3	21	403	161	e97	469	111	139	267	203	185	28	12
4	20	362	156	e92	352	101	376	249	196	165	26	11
5	285	291	150	e110	263	100	170	241	326	153	24	11

6	567	258	204	e102	238	114	193	226	316	143	23	10
7	257	239	765	e95	225	100	165	214	362	135	36	9.9
8	163	238	480	e90	213	98	146	202	272	127	34	9.6
9	120	253	333	e85	204	e96	381	190	591	121	27	9.3
10	96	2760	264	e81	191	e110	315	181	341	113	23	9.3

11	82	4210	239	e77	206	e105	226	174	375	105	21	9.1
12	71	1110	223	e74	292	100	198	189	449	99	67	9.2
13	63	625	210	e71	214	106	178	768	988	94	71	9.3
14	59	501	198	e70	197	108	167	1430	1790	88	39	8.9
15	69	425	187	e69	188	115	177	556	1030	82	29	8.6

16	62	371	180	e68	178	135	998	386	385	77	24	8.5
17	2520	318	174	e67	165	177	815	347	327	72	20	8.4
18	7030	277	169	e66	155	198	453	339	290	68	19	8.3
19	5400	260	160	e66	147	164	347	258	264	73	20	9.6
20	1320	243	150	e66	139	146	283	236	239	109	19	12

21	569	229	142	e76	130	137	256	226	224	88	17	8.7
22	433	222	e105	e300	124	128	245	331	214	60	16	8.1
23	358	214	e115	e1250	126	120	2190	357	206	53	16	7.9
24	302	203	e120	e1200	124	114	1500	255	199	49	80	7.6
25	266	197	e125	609	121	106	512	228	185	46	61	7.5

26	247	191	129	371	119	97	401	210	174	44	31	7.5
27	240	181	127	388	123	94	364	196	177	42	22	12
28	264	175	122	942	125	97	521	184	221	55	18	330
29	263	173	e105	528	---	94	906	173	173	57	16	244
30	245	179	e66	326	---	84	499	165	167	40	14	93

31	226	---	e75	273	---	80	---	160	---	35	14	---

TOTAL	21652	15587	5974	7914	5664	3559	13273	9616	11081	3276	917	925.3
MEAN	698	520	193	255	202	115	442	310	369	106	29.6	30.8
MAX	7030	4210	765	1250	469	198	2190	1430	1790	470	80	330
MIN	16	173	66	66	119	80	75	160	167	35	14	7.5
CFSM	4.01	2.99	1.11	1.47	1.16	.66	2.54	1.78	2.12	.61	.17	.18
IN.	4.63	3.33	1.28	1.69	1.21	.76	2.84	2.06	2.37	.70	.20	.20

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1999, BY WATER YEAR (WY)
MEAN	57.3	69.1	75.0	94.7	156	180	200	183	179	123	65.6	55.7
MAX	698	520	576	461	585	640	822	717	1020	1303	693	471
(WY)	1999	1999	1983	1974	1986	1993	1973	1996	1990	1982	1993	1980
MIN	2.40	2.96	2.63	2.74	5.29	19.1	11.4	7.68	10.9	1.24	2.75	1.82
(WY)	1964	1957	1965	1977	1964	1956	1956	1989	1936	1989	1989	1988

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1935 - 1999
ANNUAL TOTAL	111895.8		99438.3
ANNUAL MEAN	307		272		121
HIGHEST ANNUAL MEAN					399	1993
LOWEST ANNUAL MEAN					25.8	1940
HIGHEST DAILY MEAN	7030	Oct 18	7030	Oct 18	7030	Oct 18 1998
LOWEST DAILY MEAN	9.8	Sep 12	7.5	Sep 25, 26	.53	Aug 6 1989
ANNUAL SEVEN-DAY MINIMUM	10	Sep 7	8.5	Sep 20	.78	Aug 1 1989
INSTANTANEOUS PEAK FLOW			8290	Oct 18	8900 A	Apr 22 1973
INSTANTANEOUS PEAK STAGE			28.68	Oct 18	29.08 B	Jul 24 1993
INSTANTANEOUS LOW FLOW			7.3	Sep 24-26
ANNUAL RUNOFF (CFSM)	1.76		1.57		.70
ANNUAL RUNOFF (INCHES)	23.92		21.26		9.46
10 PERCENT EXCEEDS	570		451		261
50 PERCENT EXCEEDS	192		165		47
90 PERCENT EXCEEDS	23		19		6.6

A - Gage height, 27.88 ft, from graph based on gage readings.
B - Backwater from the Mississippi River, Discharge, 7,270 ft³/s.