USGS CD-ROM: Current Year Discharge

05547755 SQUAW CREEK AT ROUND LAKE, IL

LOCATION.--Lat 42°21'00", long 88°05'13", in SW¼NE¼ sec.29, T.45 N., R.10 E., Lake County, Hydrologic Unit 07120006, on left bank at upstream side of bridge on MacGillis Road at Round Lake, and at mile 7.5.

DRAINAGE AREA.--17.2 mi².

PERIOD OF RECORD.--October 1989 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 764.94 ft above sea level.

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

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.42	.52	7.6	4.3	18	15	58	25	5.7	23	.00	.75
2	.38	.61	6.0	6.7	46	14	51	23	5.2	18	.00	.53
3	.35	.57	6.6	19	45	13	42	22	4.7	18	.00	.23
4	.29	.60	7.1	32	37	12	34	20	4.3	32	.14	.14
5	.33	.80	6.1	45	30	11	28	18	4.4	24	.25	.20

6	.32	1.5	5.1	56	26	11	24	16	4.1	17	1.1	.16
7	.33	1.2	4.6	68	24	11	23	60	4.4	14	.68	3.0
8	.36	1.1	4.1	52	22	20	48	93	4.6	11	.73	2.2
9	.41	1.0	3.8	45	20	28	70	70	4.8	19	1.0	.96
10	.36	1.0	4.3	39	19	31	56	50	5.1	24	.79	.70

11	.35	.82	5.1	e28	37	28	43	41	7.4	20	.62	.64
12	.35	.98	4.8	e22	63	21	37	33	10	15	.32	.53
13	.93	.86	4.3	e20	e49	18	29	68	9.2	15	.12	.35
14	.54	.81	4.2	e18	e30	15	29	58	7.3	9.9	.04	2.3
15	.39	1.1	3.9	e16	e20	14	31	45	6.0	5.9	.07	3.7

16	.38	1.1	4.4	e15	e16	13	135	33	5.2	3.9	.05	3.8
17	.38	1.2	5.3	e14	e22	17	130	23	4.4	2.0	.02	2.4
18	.36	1.1	5.9	e12	e34	69	96	17	5.0	1.2	.04	1.6
19	.37	1.1	6.5	e11	35	75	69	15	8.3	.95	.12	.95
20	.37	1.2	6.3	11	32	63	59	14	7.4	.79	.19	1.1

21	.39	2.1	5.6	9.8	29	54	75	13	5.7	.76	.49	1.7
22	.36	2.4	5.3	9.6	27	44	67	12	4.6	.71	.54	1.1
23	.34	2.3	5.2	9.6	24	36	55	11	3.8	.71	.74	1.1
24	.42	2.0	4.8	9.4	21	30	46	11	3.1	.45	1.0	1.2
25	.66	1.8	5.6	9.2	19	25	39	11	7.7	.47	1.5	1.3

26	1.6	2.4	5.4	9.0	17	23	39	10	87	.62	.79	1.5
27	1.8	2.6	5.2	9.0	17	20	36	7.9	73	.28	.69	2.1
28	1.4	3.4	5.0	9.3	16	17	32	7.1	57	.11	.94	2.6
29	.93	4.7	4.7	11	---	16	29	8.4	43	.07	.70	3.0
30	.64	8.9	4.4	13	---	15	27	8.4	32	.04	.74	4.0

31	.50	---	4.3	13	---	35	---	7.2	---	.00	.79	---

TOTAL	17.01	51.77	161.5	645.9	795	814	1537	851.0	434.4	278.86	15.20	45.84
MEAN	.55	1.73	5.21	20.8	28.4	26.3	51.2	27.5	14.5	9.00	.49	1.53
MAX	1.8	8.9	7.6	68	63	75	135	93	87	32	1.5	4.0
MIN	.29	.52	3.8	4.3	16	11	23	7.1	3.1	.00	.00	.14
CFSM	.03	.10	.31	1.23	1.67	1.54	3.01	1.61	.85	.53	.03	.09
IN.	.04	.11	.35	1.41	1.74	1.78	3.36	1.86	.95	.61	.03	.10

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1998, BY WATER YEAR (WY)
MEAN	2.41	13.4	12.4	14.0	22.5	29.8	32.7	29.5	17.0	10.0	2.52	2.51
MAX	8.55	33.6	26.6	30.3	44.6	45.8	79.4	99.6	74.4	54.0	7.60	12.9
(WY)	1991	1993	1992	1993	1997	1990	1993	1996	1996	1993	1990	1992
MIN	.40	1.16	.98	3.14	10.9	7.56	9.33	3.36	.76	.44	.19	.11
(WY)	1995	1997	1990	1994	1995	1996	1994	1994	1992	1991	1991	1994

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1990 - 1998
ANNUAL TOTAL	4878.07		5647.48
ANNUAL MEAN	13.4		15.5		15.7
HIGHEST ANNUAL MEAN					27.6	1993
LOWEST ANNUAL MEAN					9.47	1994
HIGHEST DAILY MEAN	211	Feb 22	135	Apr 16	284	May 21 1996
LOWEST DAILY MEAN	.29	Oct 4	.00	Jul 31-Aug. 3	.00	A
ANNUAL SEVEN-DAY MINIMUM	.34	Oct 2	.03	Jul 28	.00	Sep 10 1994
INSTANTANEOUS PEAK FLOW			149	Apr 16	312 B	Jul 18 1993
INSTANTANEOUS PEAK STAGE			4.16	Apr 16	6.42	Jul 18 1993
ANNUAL RUNOFF (CFSM)	.79		.91		.92
ANNUAL RUNOFF (INCHES)	10.67		12.36		12.36
10 PERCENT EXCEEDS	31		45		38
50 PERCENT EXCEEDS	4.0		6.1		6.8
90 PERCENT EXCEEDS	.50		.37		.47

A - No flow at times in 1991, 1994 and 1998.
B - From rating curve extended above 120 ft³/s on basis of slope-area measurement of peak flow.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.42	.52	7.6	4.3	18	15	58	25	5.7	23	.00	.75
2	.38	.61	6.0	6.7	46	14	51	23	5.2	18	.00	.53
3	.35	.57	6.6	19	45	13	42	22	4.7	18	.00	.23
4	.29	.60	7.1	32	37	12	34	20	4.3	32	.14	.14
5	.33	.80	6.1	45	30	11	28	18	4.4	24	.25	.20

6	.32	1.5	5.1	56	26	11	24	16	4.1	17	1.1	.16
7	.33	1.2	4.6	68	24	11	23	60	4.4	14	.68	3.0
8	.36	1.1	4.1	52	22	20	48	93	4.6	11	.73	2.2
9	.41	1.0	3.8	45	20	28	70	70	4.8	19	1.0	.96
10	.36	1.0	4.3	39	19	31	56	50	5.1	24	.79	.70

11	.35	.82	5.1	e28	37	28	43	41	7.4	20	.62	.64
12	.35	.98	4.8	e22	63	21	37	33	10	15	.32	.53
13	.93	.86	4.3	e20	e49	18	29	68	9.2	15	.12	.35
14	.54	.81	4.2	e18	e30	15	29	58	7.3	9.9	.04	2.3
15	.39	1.1	3.9	e16	e20	14	31	45	6.0	5.9	.07	3.7

16	.38	1.1	4.4	e15	e16	13	135	33	5.2	3.9	.05	3.8
17	.38	1.2	5.3	e14	e22	17	130	23	4.4	2.0	.02	2.4
18	.36	1.1	5.9	e12	e34	69	96	17	5.0	1.2	.04	1.6
19	.37	1.1	6.5	e11	35	75	69	15	8.3	.95	.12	.95
20	.37	1.2	6.3	11	32	63	59	14	7.4	.79	.19	1.1

21	.39	2.1	5.6	9.8	29	54	75	13	5.7	.76	.49	1.7
22	.36	2.4	5.3	9.6	27	44	67	12	4.6	.71	.54	1.1
23	.34	2.3	5.2	9.6	24	36	55	11	3.8	.71	.74	1.1
24	.42	2.0	4.8	9.4	21	30	46	11	3.1	.45	1.0	1.2
25	.66	1.8	5.6	9.2	19	25	39	11	7.7	.47	1.5	1.3

26	1.6	2.4	5.4	9.0	17	23	39	10	87	.62	.79	1.5
27	1.8	2.6	5.2	9.0	17	20	36	7.9	73	.28	.69	2.1
28	1.4	3.4	5.0	9.3	16	17	32	7.1	57	.11	.94	2.6
29	.93	4.7	4.7	11	---	16	29	8.4	43	.07	.70	3.0
30	.64	8.9	4.4	13	---	15	27	8.4	32	.04	.74	4.0

31	.50	---	4.3	13	---	35	---	7.2	---	.00	.79	---

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.42	.52	7.6	4.3	18	15	58	25	5.7	23	.00	.75
2	.38	.61	6.0	6.7	46	14	51	23	5.2	18	.00	.53
3	.35	.57	6.6	19	45	13	42	22	4.7	18	.00	.23
4	.29	.60	7.1	32	37	12	34	20	4.3	32	.14	.14
5	.33	.80	6.1	45	30	11	28	18	4.4	24	.25	.20

6	.32	1.5	5.1	56	26	11	24	16	4.1	17	1.1	.16
7	.33	1.2	4.6	68	24	11	23	60	4.4	14	.68	3.0
8	.36	1.1	4.1	52	22	20	48	93	4.6	11	.73	2.2
9	.41	1.0	3.8	45	20	28	70	70	4.8	19	1.0	.96
10	.36	1.0	4.3	39	19	31	56	50	5.1	24	.79	.70

11	.35	.82	5.1	e28	37	28	43	41	7.4	20	.62	.64
12	.35	.98	4.8	e22	63	21	37	33	10	15	.32	.53
13	.93	.86	4.3	e20	e49	18	29	68	9.2	15	.12	.35
14	.54	.81	4.2	e18	e30	15	29	58	7.3	9.9	.04	2.3
15	.39	1.1	3.9	e16	e20	14	31	45	6.0	5.9	.07	3.7

16	.38	1.1	4.4	e15	e16	13	135	33	5.2	3.9	.05	3.8
17	.38	1.2	5.3	e14	e22	17	130	23	4.4	2.0	.02	2.4
18	.36	1.1	5.9	e12	e34	69	96	17	5.0	1.2	.04	1.6
19	.37	1.1	6.5	e11	35	75	69	15	8.3	.95	.12	.95
20	.37	1.2	6.3	11	32	63	59	14	7.4	.79	.19	1.1

21	.39	2.1	5.6	9.8	29	54	75	13	5.7	.76	.49	1.7
22	.36	2.4	5.3	9.6	27	44	67	12	4.6	.71	.54	1.1
23	.34	2.3	5.2	9.6	24	36	55	11	3.8	.71	.74	1.1
24	.42	2.0	4.8	9.4	21	30	46	11	3.1	.45	1.0	1.2
25	.66	1.8	5.6	9.2	19	25	39	11	7.7	.47	1.5	1.3

26	1.6	2.4	5.4	9.0	17	23	39	10	87	.62	.79	1.5
27	1.8	2.6	5.2	9.0	17	20	36	7.9	73	.28	.69	2.1
28	1.4	3.4	5.0	9.3	16	17	32	7.1	57	.11	.94	2.6
29	.93	4.7	4.7	11	---	16	29	8.4	43	.07	.70	3.0
30	.64	8.9	4.4	13	---	15	27	8.4	32	.04	.74	4.0

31	.50	---	4.3	13	---	35	---	7.2	---	.00	.79	---

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.42	.52	7.6	4.3	18	15	58	25	5.7	23	.00	.75
2	.38	.61	6.0	6.7	46	14	51	23	5.2	18	.00	.53
3	.35	.57	6.6	19	45	13	42	22	4.7	18	.00	.23
4	.29	.60	7.1	32	37	12	34	20	4.3	32	.14	.14
5	.33	.80	6.1	45	30	11	28	18	4.4	24	.25	.20

6	.32	1.5	5.1	56	26	11	24	16	4.1	17	1.1	.16
7	.33	1.2	4.6	68	24	11	23	60	4.4	14	.68	3.0
8	.36	1.1	4.1	52	22	20	48	93	4.6	11	.73	2.2
9	.41	1.0	3.8	45	20	28	70	70	4.8	19	1.0	.96
10	.36	1.0	4.3	39	19	31	56	50	5.1	24	.79	.70

11	.35	.82	5.1	e28	37	28	43	41	7.4	20	.62	.64
12	.35	.98	4.8	e22	63	21	37	33	10	15	.32	.53
13	.93	.86	4.3	e20	e49	18	29	68	9.2	15	.12	.35
14	.54	.81	4.2	e18	e30	15	29	58	7.3	9.9	.04	2.3
15	.39	1.1	3.9	e16	e20	14	31	45	6.0	5.9	.07	3.7

16	.38	1.1	4.4	e15	e16	13	135	33	5.2	3.9	.05	3.8
17	.38	1.2	5.3	e14	e22	17	130	23	4.4	2.0	.02	2.4
18	.36	1.1	5.9	e12	e34	69	96	17	5.0	1.2	.04	1.6
19	.37	1.1	6.5	e11	35	75	69	15	8.3	.95	.12	.95
20	.37	1.2	6.3	11	32	63	59	14	7.4	.79	.19	1.1

21	.39	2.1	5.6	9.8	29	54	75	13	5.7	.76	.49	1.7
22	.36	2.4	5.3	9.6	27	44	67	12	4.6	.71	.54	1.1
23	.34	2.3	5.2	9.6	24	36	55	11	3.8	.71	.74	1.1
24	.42	2.0	4.8	9.4	21	30	46	11	3.1	.45	1.0	1.2
25	.66	1.8	5.6	9.2	19	25	39	11	7.7	.47	1.5	1.3

26	1.6	2.4	5.4	9.0	17	23	39	10	87	.62	.79	1.5
27	1.8	2.6	5.2	9.0	17	20	36	7.9	73	.28	.69	2.1
28	1.4	3.4	5.0	9.3	16	17	32	7.1	57	.11	.94	2.6
29	.93	4.7	4.7	11	---	16	29	8.4	43	.07	.70	3.0
30	.64	8.9	4.4	13	---	15	27	8.4	32	.04	.74	4.0

31	.50	---	4.3	13	---	35	---	7.2	---	.00	.79	---