05551675 DATA: Discharge Tables, 1999

ILLINOIS RIVER BASIN

05551675 BLACKBERRY CREEK NEAR MONTGOMERY, IL

LOCATION.--Lat 41°44'27", long 88°23'00", in NW1/4SE1/4 sec.25, T.38 N., R.7 E., Kane County, Hydrologic Unit 07120007, on right bank at bridge on Jericho Rd., 1.0 mi west of Montgomery, and at mile 13.0.

DRAINAGE AREA.--55.0 mi².

PERIOD OF RECORD.--June 1998 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 654.00 ft above sea level.

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum measured, 1,170 ft³/s, Feb. 22, 1997, gage height unknown.

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	21	49	34	e21	119	60	42	141	50	42	13	9.7
2	20	45	32	e22	142	60	40	117	113	39	12	8.8
3	29	43	32	e21	148	60	38	99	101	36	11	8.4
4	25	41	32	e20	128	54	41	91	77	33	10	8.1
5	47	37	30	e19	104	52	40	84	64	29	10	7.8

6	55	35	37	e21	94	53	40	89	55	27	9.8	7.3
7	53	33	94	e23	89	48	36	93	51	25	11	6.8
8	42	33	81	e22	83	49	38	83	47	24	12	6.7
9	33	35	63	e21	78	50	96	74	44	28	11	6.7
10	29	107	54	e21	75	48	91	68	43	32	10	6.4

11	26	152	48	e20	78	48	73	65	45	27	9.9	7.0
12	24	102	44	e20	103	47	60	150	48	24	11	7.2
13	22	81	41	e20	82	47	53	184	154	22	13	9.5
14	21	70	38	e20	71	46	49	135	312	21	13	8.5
15	21	59	37	e19	67	48	52	104	174	19	11	7.8

16	21	54	36	e20	64	55	152	89	120	17	9.7	7.5
17	76	49	36	e20	60	111	169	93	92	17	9.1	7.1
18	467	45	34	e21	56	154	121	96	77	17	8.8	7.1
19	502	44	33	e22	53	109	96	80	65	18	14	7.1
20	207	43	31	e25	50	85	80	71	57	20	12	7.9

21	132	39	30	e40	47	73	72	66	51	19	11	7.5
22	100	37	34	278	45	64	97	72	48	23	9.9	7.2
23	83	37	32	449	46	58	707	72	47	21	10	6.9
24	68	35	31	619	46	55	760	66	46	29	27	6.6
25	60	33	31	430	45	52	300	59	42	28	41	6.5

26	55	33	31	260	44	48	185	54	39	25	33	8.2
27	54	31	30	196	57	46	192	50	37	22	22	6.7
28	75	30	29	196	65	45	470	47	37	19	18	41
29	67	30	27	156	---	44	318	45	35	16	14	83
30	60	35	e20	133	---	42	186	43	32	16	12	50

31	53	---	e20	123	---	41	---	43	---	15	10	---

TOTAL	2548	1497	1182	3298	2139	1852	4694	2623	2203	750	429.2	377.0
MEAN	82.2	49.9	38.1	106	76.4	59.7	156	84.6	73.4	24.2	13.8	12.6
MAX	502	152	94	619	148	154	760	184	312	42	41	83
MIN	20	30	20	19	44	41	36	43	32	15	8.8	6.4
CFSM	1.50	.91	.69	1.94	1.39	1.09	2.85	1.54	1.34	.44	.25	.23
IN.	1.72	1.01	.80	2.23	1.45	1.25	3.18	1.78	1.49	.51	.29	.26

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 1999, BY WATER YEAR (WY)
MEAN	82.2	49.9	38.1	106	76.4	59.7	156	84.6	73.4	57.5	22.4	14.5
MAX	82.2	49.9	38.1	106	76.4	59.7	156	84.6	73.4	90.8	30.9	16.4
(WY)	1999	1999	1999	1999	1999	1999	1999	1999	1999	1998	1998	1998
MIN	82.2	49.9	38.1	106	76.4	59.7	156	84.6	73.4	24.2	13.8	12.6
(WY)	1999	1999	1999	1999	1999	1999	1999	1999	1999	1999	1999	1999

SUMMARY STATISTICS	FOR 1999 WATER YEAR		WATER YEARS 1998 - 1999
ANNUAL TOTAL	23592.2
ANNUAL MEAN	64.6		64.6
HIGHEST ANNUAL MEAN			64.6	1999
LOWEST ANNUAL MEAN			64.6	1999
HIGHEST DAILY MEAN	760	Apr 24	760	Apr 24 1999
LOWEST DAILY MEAN	6.4	Sep 10	6.4	Sep 10 1999
ANNUAL SEVEN-DAY MINIMUM	6.9	Sep 6	6.9	Sep 6 1999
INSTANTANEOUS PEAK FLOW	1040	Apr 23	1040	Apr 23 1999
INSTANTANEOUS PEAK STAGE	8.61	Apr 23	8.61	Apr 23 1999
INSTANTANEOUS LOW FLOW	2.9	Sep 27	2.9	Sep 27 1999
ANNUAL RUNOFF (CFSM)	1.18		1.18
ANNUAL RUNOFF (INCHES)	15.97		15.98
10 PERCENT EXCEEDS	122		120
50 PERCENT EXCEEDS	43		40
90 PERCENT EXCEEDS	10		12

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data

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	21	49	34	e21	119	60	42	141	50	42	13	9.7
2	20	45	32	e22	142	60	40	117	113	39	12	8.8
3	29	43	32	e21	148	60	38	99	101	36	11	8.4
4	25	41	32	e20	128	54	41	91	77	33	10	8.1
5	47	37	30	e19	104	52	40	84	64	29	10	7.8

6	55	35	37	e21	94	53	40	89	55	27	9.8	7.3
7	53	33	94	e23	89	48	36	93	51	25	11	6.8
8	42	33	81	e22	83	49	38	83	47	24	12	6.7
9	33	35	63	e21	78	50	96	74	44	28	11	6.7
10	29	107	54	e21	75	48	91	68	43	32	10	6.4

11	26	152	48	e20	78	48	73	65	45	27	9.9	7.0
12	24	102	44	e20	103	47	60	150	48	24	11	7.2
13	22	81	41	e20	82	47	53	184	154	22	13	9.5
14	21	70	38	e20	71	46	49	135	312	21	13	8.5
15	21	59	37	e19	67	48	52	104	174	19	11	7.8

16	21	54	36	e20	64	55	152	89	120	17	9.7	7.5
17	76	49	36	e20	60	111	169	93	92	17	9.1	7.1
18	467	45	34	e21	56	154	121	96	77	17	8.8	7.1
19	502	44	33	e22	53	109	96	80	65	18	14	7.1
20	207	43	31	e25	50	85	80	71	57	20	12	7.9

21	132	39	30	e40	47	73	72	66	51	19	11	7.5
22	100	37	34	278	45	64	97	72	48	23	9.9	7.2
23	83	37	32	449	46	58	707	72	47	21	10	6.9
24	68	35	31	619	46	55	760	66	46	29	27	6.6
25	60	33	31	430	45	52	300	59	42	28	41	6.5

26	55	33	31	260	44	48	185	54	39	25	33	8.2
27	54	31	30	196	57	46	192	50	37	22	22	6.7
28	75	30	29	196	65	45	470	47	37	19	18	41
29	67	30	27	156	---	44	318	45	35	16	14	83
30	60	35	e20	133	---	42	186	43	32	16	12	50

31	53	---	e20	123	---	41	---	43	---	15	10	---

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	21	49	34	e21	119	60	42	141	50	42	13	9.7
2	20	45	32	e22	142	60	40	117	113	39	12	8.8
3	29	43	32	e21	148	60	38	99	101	36	11	8.4
4	25	41	32	e20	128	54	41	91	77	33	10	8.1
5	47	37	30	e19	104	52	40	84	64	29	10	7.8

6	55	35	37	e21	94	53	40	89	55	27	9.8	7.3
7	53	33	94	e23	89	48	36	93	51	25	11	6.8
8	42	33	81	e22	83	49	38	83	47	24	12	6.7
9	33	35	63	e21	78	50	96	74	44	28	11	6.7
10	29	107	54	e21	75	48	91	68	43	32	10	6.4

11	26	152	48	e20	78	48	73	65	45	27	9.9	7.0
12	24	102	44	e20	103	47	60	150	48	24	11	7.2
13	22	81	41	e20	82	47	53	184	154	22	13	9.5
14	21	70	38	e20	71	46	49	135	312	21	13	8.5
15	21	59	37	e19	67	48	52	104	174	19	11	7.8

16	21	54	36	e20	64	55	152	89	120	17	9.7	7.5
17	76	49	36	e20	60	111	169	93	92	17	9.1	7.1
18	467	45	34	e21	56	154	121	96	77	17	8.8	7.1
19	502	44	33	e22	53	109	96	80	65	18	14	7.1
20	207	43	31	e25	50	85	80	71	57	20	12	7.9

21	132	39	30	e40	47	73	72	66	51	19	11	7.5
22	100	37	34	278	45	64	97	72	48	23	9.9	7.2
23	83	37	32	449	46	58	707	72	47	21	10	6.9
24	68	35	31	619	46	55	760	66	46	29	27	6.6
25	60	33	31	430	45	52	300	59	42	28	41	6.5

26	55	33	31	260	44	48	185	54	39	25	33	8.2
27	54	31	30	196	57	46	192	50	37	22	22	6.7
28	75	30	29	196	65	45	470	47	37	19	18	41
29	67	30	27	156	---	44	318	45	35	16	14	83
30	60	35	e20	133	---	42	186	43	32	16	12	50

31	53	---	e20	123	---	41	---	43	---	15	10	---

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	21	49	34	e21	119	60	42	141	50	42	13	9.7
2	20	45	32	e22	142	60	40	117	113	39	12	8.8
3	29	43	32	e21	148	60	38	99	101	36	11	8.4
4	25	41	32	e20	128	54	41	91	77	33	10	8.1
5	47	37	30	e19	104	52	40	84	64	29	10	7.8

6	55	35	37	e21	94	53	40	89	55	27	9.8	7.3
7	53	33	94	e23	89	48	36	93	51	25	11	6.8
8	42	33	81	e22	83	49	38	83	47	24	12	6.7
9	33	35	63	e21	78	50	96	74	44	28	11	6.7
10	29	107	54	e21	75	48	91	68	43	32	10	6.4

11	26	152	48	e20	78	48	73	65	45	27	9.9	7.0
12	24	102	44	e20	103	47	60	150	48	24	11	7.2
13	22	81	41	e20	82	47	53	184	154	22	13	9.5
14	21	70	38	e20	71	46	49	135	312	21	13	8.5
15	21	59	37	e19	67	48	52	104	174	19	11	7.8

16	21	54	36	e20	64	55	152	89	120	17	9.7	7.5
17	76	49	36	e20	60	111	169	93	92	17	9.1	7.1
18	467	45	34	e21	56	154	121	96	77	17	8.8	7.1
19	502	44	33	e22	53	109	96	80	65	18	14	7.1
20	207	43	31	e25	50	85	80	71	57	20	12	7.9

21	132	39	30	e40	47	73	72	66	51	19	11	7.5
22	100	37	34	278	45	64	97	72	48	23	9.9	7.2
23	83	37	32	449	46	58	707	72	47	21	10	6.9
24	68	35	31	619	46	55	760	66	46	29	27	6.6
25	60	33	31	430	45	52	300	59	42	28	41	6.5

26	55	33	31	260	44	48	185	54	39	25	33	8.2
27	54	31	30	196	57	46	192	50	37	22	22	6.7
28	75	30	29	196	65	45	470	47	37	19	18	41
29	67	30	27	156	---	44	318	45	35	16	14	83
30	60	35	e20	133	---	42	186	43	32	16	12	50

31	53	---	e20	123	---	41	---	43	---	15	10	---