COLORADO RIVER MAIN STEM

09095500 COLORADO RIVER NEAR CAMEO, CO

LOCATION.--Lat 39°14'21" (revised), long 108°15'56" (revised), in SW14SW14 sec.30, T.9 S., R.97 W., Mesa County, Hydrologic Unit 14010005, on left bank 100 ft north of Interstate 70, 0.5 mi upstream from Jackson Canyon, 5.9 mi upstream from Grand Valley project diversion dam, and 7 mi northeast of Cameo.

DRAINAGE AREA.--8,050 mi2, approximately.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1933 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09095500

REVISED RECORDS.--WRD Colo. 1973: 1970.

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 4,813.73 ft above NGVD of 1929, (levels by Colorado Department of Highways). Prior to Oct. 10, 1934, nonrecording gage on river and water-stage recorder on Highline Canal, about 10 mi downstream at different datum. Oct. 10, 1934 to Feb. 27, 1958, water-stage recorder at site 3.0 mi downstream at datum 22.55 ft lower. Feb. 27, 1958 to Apr. 10, 2003, water-stage recorder at site 200 ft downstream at same datum.

REMARKS.--Records good except for estimated daily discharges, which are poor. Natural flow of stream affected by transmountain diversions, storage reservoirs, power development, and diversion for irrigation of about 160,000 acres.

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	1,360	1,820	e1,340	1,020	1,140	1,090	1,150	2,780	18,600	4,110	2,060	2,250
2	1,340	1,670	e1,390	1,090	1,140	1,040	1,170	2,600	20,300	3,930	2,070	2,240
3	1,620	1,640	e1,440	1,040	1,170	1,050	1,290	2,460	17,600	3,830	2,070	2,110
4	1,460	1,580	1,310	1,070	1,150	1,030	1,350	2,530	14,900	3,840	2,100	2,140
5	1,400	1,520	1,240	1,110	1,050	1,090	1,350	2,740	12,900	3,620	2,170	2,160
6	1,370	1,500	1,280	1,070	1,060	1,070	1,270	2,600	11,100	3,410	2,210	2,300
7	1,330	1,440	1,260	1,050	959	1,060	1,200	2,370	9,400	3,270	2,150	2,410
8	1,310	1,420	1,190	982	888	1,100	1,160	2,220	8,410	3,100	2,160	2,550
9	1,280	1,930	1,180	976	871	1,100	1,130	2,510	7,930	2,960	2,170	2,710
10	1,230	1,790	1,000	1,000	932	1,130	1,190	2,330	e8,080	2,930	2,170	2,920
11	1,270	1,660	1,100	1,100	1,030	1,150	1,380	2,450	e8,200	2,800	2,140	3,020
12	1,260	1,580	1,070	1,140	1,090	1,200	1,400	2,450	8,050	2,640	2,110	2,840
13	1,270	1,540	1,090	1,120	1,120	1,290	1,630	2,330	7,970	2,610	2,080	2,570
14	1,240	1,490	1,160	1,090	1,270	1,320	1,730	2,490	7,730	2,610	2,120	2,350
15	1,230	1,510	1,100	1,110	1,340	1,420	1,990	2,940	7,400	2,510	2,210	2,330
16	1,220	1,520	1,100	1,090	1,210	1,420	2,210	4,150	7,630	2,410	2,320	2,250
17	1,230	1,440	1,110	1,020	1,140	1,330	2,020	5,370	7,350	2,480	2,240	2,140
18	1,260	1,430	1,180	1,080	1,120	1,290	1,900	6,680	6,750	2,420	2,420	2,140
19	1,270	1,390	1,190	1,010	1,050	1,280	1,850	7,990	6,550	2,470	2,700	2,290
20	1,240	1,320	1,090	1,020	993	1,210	1,770	7,930	6,490	2,410	2,850	2,390
21	1,220	1,260	1,020	1,060	963	1,180	1,670	7,840	6,490	2,390	2,550	2,400
22	1,210	1,260	1,120	1,110	1,020	1,130	1,590	8,250	6,060	2,310	2,420	2,350
23	1,250	1,270	1,070	1,140	1,030	1,180	1,730	9,400	5,850	2,360	2,400	2,290
24	1,430	1,230	925	1,160	989	1,320	2,000	10,700	5,550	2,150	2,360	2,260
25	1,490	1,270	982	1,160	1,020	1,410	2,020	11,900	5,190	1,990	2,410	2,250
26	1,420	1,270	1,010	1,130	1,110	1,370	1,990	12,800	4,750	2,030	2,440	2,270
27	1,400	e1,320	977	1,110	1,070	1,260	2,200	13,400	4,520	2,370	2,390	2,370
28	1,410	e1,140	982	1,110	1,110	1,260	2,610	15,100	4,470	2,710	2,440	2,360
29	1,500	e1,120	1,020	1,130	---	1,180	2,860	16,700	4,340	2,630	2,370	2,320
30	1,450	e1,310	1,080	1,100	---	1,110	2,890	17,900	4,180	2,430	2,280	2,310
31	1,600	---	1,080	1,100	---	1,120	---	18,600	---	2,260	2,240	---
TOTAL	41,570	43,640	35,086	33,498	30,035	37,190	51,700	212,510	254,740	85,990	70,820	71,290
MEAN	1,341	1,455	1,132	1,081	1,073	1,200	1,723	6,855	8,491	2,774	2,285	2,376
MAX	1,620	1,930	1,440	1,160	1,340	1,420	2,890	18,600	20,300	4,110	2,850	3,020
MIN	1,210	1,120	925	976	871	1,030	1,130	2,220	4,180	1,990	2,060	2,110
AC-FT	82,450	86,560	69,590	66,440	59,570	73,770	102,500	421,500	505,300	170,600	140,500	141,400
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1934 - 2003, BY WATER YEAR (WY)
MEAN	2,143	1,946	1,697	1,587	1,596	1,802	3,156	9,044	12,320	5,752	2,841	2,210
MAX	3,732	3,253	3,002	2,621	2,775	3,365	8,615	20,290	25,830	17,430	6,571	4,271
(WY)	(1985)	(1985)	(1985)	(1985)	(1986)	(1986)	(1962)	(1984)	(1984)	(1957)	(1984)	(1984)
MIN	1,084	1,038	1,004	940	941	1,020	1,723	2,536	2,606	1,515	1,332	1,243
(WY)	(1935)	(1935)	(1935)	(1964)	(1935)	(1935)	(2003)	(1977)	(2002)	(1934)	(1940)	(1934)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1934 - 2003
ANNUAL TOTAL	604,026	968,069
ANNUAL MEAN	1,655	2,652	3,847
HIGHEST ANNUAL MEAN			7,605 1984
LOWEST ANNUAL MEAN			1,751 2002
HIGHEST DAILY MEAN	4,020 Jun 2	20,300 Jun 2	38,000 May 26, 1984
LOWEST DAILY MEAN	925 Dec 24	871 Feb 9	700 Dec 29, 1939
ANNUAL SEVEN-DAY MINIMUM	995 Dec 23	970 Feb 5	852 Dec 24, 1939
MAXIMUM PEAK FLOW		21,000 Jun 2	39,300 May 26, 1984
MAXIMUM PEAK STAGE		11.19 Jun 2	14.36 May 26, 1984
ANNUAL RUNOFF (AC-FT)	1,198,000	1,920,000	2,787,000
10 PERCENT EXCEEDS	2,500	5,930	9,350
50 PERCENT EXCEEDS	1,450	1,520	2,140
90 PERCENT EXCEEDS	1,160	1,070	1,360

e Estimated.