ARKANSAS RIVER BASIN

07105490 CHEYENNE CREEK AT EVANS AVENUE AT COLORADO SPRINGS, CO

LOCATION.--Lat 38°47'26", Long 104°51'49", in SW14NW14 sec.35, T.14 S., R.67 W., El Paso County, Hydrologic Unit 11020003, on right bank 23 ft upstream from Evans Avenue at Colorado Springs, 30 ft downstream from the confluence of North and South Cheyenne Creeks, and 3.1 mi upstream from the mouth.

DRAINAGE AREA.--21.7 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April 1992 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07105490

REVISED RECORDS.--WDR CO-93-1: Drainage area.

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 6,280 ft above NGVD of 1929, from topographic map. Prior to June 13, 2000, at datum 1.00 ft higher.

REMARKS.--Records good except for July 8-9 and estimated daily discharges, which are poor. Natural flow of stream affected by several small reservoirs and diversions. Several measurements of specific conductance and water temperature were obtained and are published in the "Supplemental Water-Quality Data For Gaging Stations" section of this report.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	0.48	0.49	0.51	0.42	0.41	0.43	2.1	5.0	5.1	4.9	1.0	1.5
2	0.46	0.51	0.52	0.44	0.41	0.45	3.2	7.0	3.7	4.4	1.0	0.82
3	0.47	0.50	0.54	0.45	0.42	0.44	4.1	7.1	3.7	4.3	1.1	1.2
4	0.45	0.52	0.54	0.45	0.41	0.45	2.5	7.2	2.1	6.5	1.1	1.4
5	0.44	0.54	0.54	0.45	0.41	0.45	1.7	6.7	4.9	10	1.1	1.1
6	0.45	0.54	0.55	0.45	0.40	0.46	1.6	6.8	6.1	10	1.2	1.1
7	0.47	0.51	0.54	0.45	e0.40	0.47	1.4	7.5	6.0	9.7	1.2	1.5
8	0.49	0.51	0.54	0.45	0.40	0.47	1.3	8.2	7.8	8.0	1.2	1.5
9	0.48	0.48	0.54	0.44	0.41	0.47	1.4	8.0	8.8	0.69	1.1	1.2
10	0.45	0.49	0.51	0.44	0.41	0.47	1.3	8.4	9.0	1.5	1.1	1.0
11	0.45	0.49	0.49	0.42	0.41	0.48	1.3	8.0	8.7	1.7	1.8	0.93
12	0.48	0.50	0.50	0.43	0.40	0.50	1.6	7.8	6.6	1.7	1.3	0.79
13	0.49	0.52	0.49	0.42	0.41	0.49	2.9	7.7	2.5	1.9	0.88	0.78
14	0.49	0.49	0.47	0.41	0.41	0.49	3.3	7.8	2.8	1.7	0.86	0.81
15	0.50	0.50	0.46	0.41	0.41	0.49	3.1	8.1	2.7	4.1	0.88	0.77
16	0.50	0.54	0.46	0.41	0.41	0.43	4.1	8.6	2.8	1.0	0.90	0.80
17	0.51	0.54	0.46	0.42	0.45	0.36	6.7	8.9	4.2	0.53	0.87	0.82
18	0.51	0.50	0.45	0.41	0.45	0.38	6.9	7.4	3.0	0.74	0.91	0.82
19	0.51	0.50	0.45	0.42	0.45	0.40	6.9	6.7	e5.0	0.76	0.82	0.82
20	0.52	0.51	0.45	0.42	0.46	0.42	6.3	6.9	e9.0	0.81	0.76	0.83
21	0.53	0.53	0.45	0.41	0.45	0.42	5.9	6.5	5.9	0.76	0.69	0.78
22	0.55	0.54	0.45	0.41	0.45	0.44	4.7	6.4	2.3	0.88	0.68	0.81
23	0.58	0.54	0.45	0.41	0.45	0.45	2.9	6.1	5.5	0.81	0.74	0.78
24	0.56	0.54	0.45	0.41	e0.44	0.56	1.7	5.5	11	0.92	0.67	0.77
25	0.52	0.54	0.45	0.41	e0.42	1.3	1.4	5.8	13	1.2	0.65	0.74
26	0.46	0.53	0.45	0.42	0.41	3.1	1.4	6.0	10	1.3	0.67	0.70
27	0.54	0.51	0.44	0.42	0.41	5.2	1.3	5.2	7.5	2.0	0.68	0.70
28	0.51	0.50	0.45	0.43	0.41	4.4	2.1	4.4	5.1	1.2	0.73	0.82
29	0.47	0.50	0.45	0.41	---	3.7	1.9	1.8	5.1	1.2	0.70	0.95
30	0.47	0.49	0.45	0.41	---	3.4	1.7	2.8	6.4	1.5	0.76	0.60
31	0.46	---	0.44	0.41	---	2.8	---	2.8	---	0.97	1.1	---
TOTAL	15.25	15.40	14.94	13.16	11.78	34.77	88.7	203.1	176.3	87.67	29.15	28.14
MEAN	0.49	0.51	0.48	0.42	0.42	1.12	2.96	6.55	5.88	2.83	0.94	0.94
MAX	0.58	0.54	0.55	0.45	0.46	5.2	6.9	8.9	13	10	1.8	1.5
MIN	0.44	0.48	0.44	0.41	0.40	0.36	1.3	1.8	2.1	0.53	0.65	0.60
AC-FT	30	31	30	26	23	69	176	403	350	174	58	56
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 2003, BY WATER YEAR (WY)
MEAN	3.61	3.15	2.45	2.32	2.17	2.59	8.80	31.2	23.8	7.66	10.9	4.39
MAX	7.31	5.56	5.15	4.54	5.20	7.34	25.5	86.4	93.1	30.5	39.7	11.2
(WY)	(1997)	(1998)	(1998)	(1996)	(1998)	(1998)	(1999)	(1994)	(1995)	(1995)	(1999)	(1997)
MIN	0.49	0.51	0.46	0.42	0.42	0.53	0.81	0.47	0.37	0.59	0.40	0.51
(WY)	(2003)	(2003)	(1993)	(2003)	(2003)	(1993)	(2002)	(2002)	(2002)	(2001)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1992 - 2003
ANNUAL TOTAL	239.15	718.36
ANNUAL MEAN	0.66	1.97	8.89
HIGHEST ANNUAL MEAN			21.8 1995
LOWEST ANNUAL MEAN			0.72 2002
HIGHEST DAILY MEAN	15 Jul 2	13 Jun 25	453 Apr 30, 1999
LOWEST DAILY MEAN	0.28 Jul 20	0.36 Mar 17	0.10 Apr 8, 1993
ANNUAL SEVEN-DAY MINIMUM	0.31 Jun 7	0.40 Feb 6	0.23 Mar 6, 1993
MAXIMUM PEAK FLOW		57 Jul 15	a595 Jun 10, 1997
MAXIMUM PEAK STAGE		2.14 Jul 15	b3.51 Jun 10, 1997
ANNUAL RUNOFF (AC-FT)	474	1,420	6,440
10 PERCENT EXCEEDS	1.0	6.5	18
50 PERCENT EXCEEDS	0.50	0.69	3.1
90 PERCENT EXCEEDS	0.37	0.42	0.51

e Estimated. a From rating curve extended above 437 ft3/s. b Datum then in use.