ARKANSAS RIVER BASIN

07103797 WEST MONUMENT CREEK BELOW RAMPART RESERVOIR, CO

LOCATION.--Lat 38°58'30", long 104°57'18", in NE14SE14 sec.26, T.12 S., R.68 W., El Paso County, Hydrologic Unit 11020003, on Pike National Forest, on right bank 0.1 mi below Wildcat Gulch, and 0.5 mi below Rampart Reservoir.

DRAINAGE AREA.--7.29 mi2.

PERIOD OF RECORD.--November 1993 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07103797

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 8,710 ft above NGVD of 1929, from topographic map.

REMARKS.--Records good except for estimated daily discharges, which are poor. Natural flow of stream affected by storage reservoir and transmountain diversions. Flow mostly regulated by Rampart Reservoir 0.5 mi upstream. 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	3.4	3.5	3.4	3.5	3.8	3.6	3.8	3.3	3.5	3.4	3.8	4.6
2	3.5	3.5	3.4	3.5	3.8	3.6	4.0	3.2	3.4	3.4	3.7	4.6
3	3.4	3.6	3.4	3.5	3.8	3.6	4.0	3.3	3.4	3.4	3.8	4.5
4	3.5	3.6	3.3	3.6	3.8	3.6	3.9	3.3	3.4	3.3	3.8	4.3
5	3.6	3.5	3.3	3.6	3.8	3.6	3.6	3.2	3.9	3.3	3.8	4.3
6	3.5	3.6	3.3	3.6	3.8	3.6	3.6	3.4	4.0	3.3	3.8	4.3
7	3.5	3.6	3.4	3.6	3.8	3.6	3.6	3.5	3.9	3.3	3.8	4.4
8	3.5	3.6	3.5	3.3	3.8	3.6	3.6	3.5	3.6	3.3	3.9	4.3
9	3.6	3.7	3.5	3.2	3.9	3.6	3.7	3.4	3.5	3.3	4.0	4.1
10	3.6	3.6	3.6	3.3	4.0	3.6	3.8	3.5	3.5	3.4	3.9	4.1
11	3.6	3.5	3.5	3.3	4.0	3.7	3.9	3.4	3.4	3.4	4.0	4.1
12	3.6	3.4	3.6	3.3	4.0	3.6	3.7	3.4	3.5	3.4	4.0	4.1
13	3.4	3.4	3.7	3.3	4.0	3.5	3.6	3.4	3.6	3.5	4.0	4.1
14	3.5	3.4	3.6	3.3	4.0	3.5	3.5	3.4	3.5	3.5	3.9	4.1
15	3.6	3.4	3.7	3.3	4.0	3.5	3.5	3.5	3.5	3.5	3.9	4.0
16	3.6	3.4	4.0	3.3	4.0	3.5	3.5	3.8	3.5	3.5	3.9	4.0
17	3.6	3.4	4.1	3.3	4.0	3.7	3.5	3.8	3.5	3.7	4.0	4.0
18	3.8	3.4	3.8	3.3	4.1	3.6	3.4	3.7	3.5	3.7	4.1	4.1
19	3.9	3.4	3.6	3.3	4.1	3.6	3.4	3.7	3.7	3.7	4.1	4.0
20	e3.8	3.4	3.6	3.3	4.1	3.6	3.4	3.6	3.7	3.7	4.1	4.0
21	3.8	3.4	3.6	3.3	4.1	3.6	3.5	3.4	3.5	e3.7	4.1	4.0
22	3.8	3.4	3.6	3.3	4.2	3.6	3.5	3.4	3.5	e3.7	4.1	4.0
23	3.8	3.4	3.5	3.4	4.2	3.7	3.6	3.4	3.4	3.7	4.2	4.0
24	3.8	3.4	3.4	3.4	4.0	3.7	3.7	3.4	3.4	3.7	4.3	4.1
25	3.8	3.4	3.4	3.6	3.9	3.7	4.0	3.4	3.5	3.7	4.4	4.1
26	3.8	3.4	3.4	3.7	3.7	3.6	3.8	3.4	3.7	3.8	4.5	4.1
27	3.8	3.4	3.5	3.7	3.5	3.6	3.5	3.3	3.4	3.7	4.5	4.1
28	3.8	3.4	3.5	3.7	3.6	3.5	3.5	3.4	3.4	3.8	4.5	4.1
29	3.8	3.4	3.5	3.7	---	3.5	3.5	3.4	3.5	3.8	4.5	4.1
30	3.7	3.4	3.5	3.8	---	3.5	3.4	3.4	3.5	3.7	4.6	4.1
31	3.5	---	3.5	3.8	---	3.7	---	3.5	---	3.7	4.7	---
TOTAL	112.9	103.9	109.7	107.1	109.8	111.5	109.0	106.7	106.3	110.0	126.7	124.7
MEAN	3.64	3.46	3.54	3.45	3.92	3.60	3.63	3.44	3.54	3.55	4.09	4.16
MAX	3.9	3.7	4.1	3.8	4.2	3.7	4.0	3.8	4.0	3.8	4.7	4.6
MIN	3.4	3.4	3.3	3.2	3.5	3.5	3.4	3.2	3.4	3.3	3.7	4.0
AC-FT	224	206	218	212	218	221	216	212	211	218	251	247
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 2003, BY WATER YEAR (WY)
MEAN	4.47	4.97	5.60	5.42	5.60	5.39	5.74	6.82	7.03	7.75	6.84	5.56
MAX	10.1	10.6	9.68	9.36	8.75	10.7	10.5	17.5	15.1	20.6	15.7	12.2
(WY)	(1995)	(1995)	(1994)	(1996)	(1996)	(1994)	(1996)	(1996)	(1996)	(1994)	(1994)	(1994)
MIN	3.35	2.86	2.90	3.15	3.22	3.16	3.58	3.40	3.14	3.08	3.36	2.90
(WY)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)	(2001)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1994 - 2003
ANNUAL TOTAL	1,219.9	1,338.3
ANNUAL MEAN	3.34	3.67	5.44
HIGHEST ANNUAL MEAN			10.0 1996
LOWEST ANNUAL MEAN			3.21 2002
HIGHEST DAILY MEAN	4.8 Mar 10	4.7 Aug 31	29 Jul 10, 1994
LOWEST DAILY MEAN	2.8 Jan 10	3.2 Jan 9	1.4 Jan 14, 1997
ANNUAL SEVEN-DAY MINIMUM	2.9 Mar 12	3.3 Jan 8	2.7 Nov 9, 2001
MAXIMUM PEAK FLOW		6.7 May 16	a46 Jun 6, 1997
MAXIMUM PEAK STAGE		4.54 May 16	5.54 Jun 6, 1997
ANNUAL RUNOFF (AC-FT)	2,420	2,650	3,940
10 PERCENT EXCEEDS	3.6	4.1	9.2
50 PERCENT EXCEEDS	3.4	3.6	4.2
90 PERCENT EXCEEDS	3.0	3.4	3.3

e Estimated. a From rating curve extended above 30 ft3/s.