GREEN RIVER BASIN

09260050 YAMPA RIVER AT DEERLODGE PARK, CO

LOCATION.--Lat 40°27'06", long 108°31'28", in SE14SW14 sec.21, T.6 N., R.99 W., Moffat County, Hydrologic Unit 14050002, in Dinosaur National Monument, on left bank at Deerlodge Park, 1,150 ft upstream from Disappointment Draw, and 5.5 mi downstream from Little Snake River.

DRAINAGE AREA.--7,660 mi2, approximately.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--August 1975 and January 1978 (discharge measurements only) April 1982 to September 1994, and October 1996 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09260050

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 5,600 ft above NGVD of 1929, from topographic map. Prior to Oct. 1, 1996, gage located 100 ft upstream at same datum.

REMARKS.--Records good except for estimated daily discharges, which are poor. Natural flow of stream affected by transbasin diversions, numerous storage reservoirs and diversions for irrigation of about 86,800 acres upstream from station.

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	96	257	301	e245	e310	352	707	6,060	14,700	2,150	e230	178
2	136	272	e320	e240	e320	344	716	5,480	15,000	1,990	e246	169
3	170	297	e310	e250	e320	392	1,260	4,510	15,700	1,830	e205	168
4	195	277	e315	e230	e315	367	1,980	4,000	13,900	1,670	e190	e173
5	188	281	e310	e230	e305	366	1,930	4,200	11,000	1,530	e195	e161
6	215	313	e320	e240	e300	378	1,480	4,340	9,350	1,410	159	e134
7	331	294	e300	e250	e300	389	1,230	4,040	8,260	1,260	131	e110
8	295	284	e290	e250	e295	446	1,120	3,560	7,560	1,150	111	e90
9	290	315	288	e250	e280	544	1,000	3,480	6,830	1,060	113	91
10	242	314	236	e260	e260	674	909	3,620	6,660	991	88	119
11	230	318	e240	e255	e259	807	933	3,910	6,670	847	72	216
12	249	343	e240	e265	e267	1,250	1,470	3,560	7,250	768	69	276
13	237	362	e250	e260	e282	1,480	2,270	3,190	7,510	678	62	309
14	234	346	e240	e275	e272	1,600	2,840	3,240	6,780	642	69	396
15	237	339	e230	e275	e284	1,780	3,470	4,220	6,380	576	79	411
16	227	344	e220	e265	e314	1,960	4,230	5,940	6,320	540	77	408
17	204	363	e260	e265	e343	2,100	4,380	7,410	6,150	514	82	365
18	198	337	e250	e270	e378	1,960	3,600	8,680	5,670	471	79	293
19	196	315	e240	e285	e415	1,610	3,130	9,760	5,230	416	84	252
20	180	306	e210	e305	e398	1,260	3,060	9,730	4,930	393	79	236
21	185	349	e210	e310	e400	999	2,620	9,150	4,920	426	80	195
22	193	351	e210	e305	e380	876	2,410	8,800	4,480	454	113	204
23	221	365	e210	e295	e383	838	2,610	9,060	4,130	446	157	229
24	236	359	e180	e285	363	1,060	3,280	9,550	3,940	451	214	226
25	234	329	e200	e305	316	1,150	3,810	10,300	3,770	395	222	231
26	220	318	e230	e320	320	1,600	4,620	11,200	3,380	337	198	209
27	254	246	e220	e335	341	1,260	6,220	11,600	3,100	314	182	187
28	266	e220	e220	e340	388	1,110	6,570	11,500	2,670	281	190	200
29	273	249	e230	e340	---	1,030	6,020	12,400	2,500	241	165	179
30	252	267	e240	e335	---	906	5,860	13,300	2,310	218	179	172
31	245	---	e240	e330	---	779	---	14,200	---	226	182	---
TOTAL	6,929	9,330	7,760	8,665	9,108	31,667	85,735	223,990	207,050	24,675	4,302	6,587
MEAN	224	311	250	280	325	1,022	2,858	7,225	6,902	796	139	220
MAX	331	365	320	340	415	2,100	6,570	14,200	15,700	2,150	246	411
MIN	96	220	180	230	259	344	707	3,190	2,310	218	62	90
AC-FT	13,740	18,510	15,390	17,190	18,070	62,810	170,100	444,300	410,700	48,940	8,530	13,070
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1983 - 2003, BY WATER YEAR (WY)
MEAN	558	591	436	427	553	1,439	3,683	8,193	6,802	1,549	478	367
MAX	1,412	1,127	832	742	1,811	3,200	8,211	18,330	16,120	5,890	1,537	1,594
(WY)	(1998)	(1986)	(1985)	(1998)	(1986)	(1986)	(1985)	(1984)	(1984)	(1983)	(1984)	(1997)
MIN	133	189	236	210	223	563	1,965	2,442	1,378	34.4	21.6	45.6
(WY)	(1990)	(1990)	(1990)	(1989)	(1989)	(2002)	(1992)	(2002)	(2002)	(2002)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1983 - 2003
ANNUAL TOTAL	243,128.7	625,798
ANNUAL MEAN	666	1,715	2,093
HIGHEST ANNUAL MEAN			4,286 1984
LOWEST ANNUAL MEAN			678 2002
HIGHEST DAILY MEAN	3,470 Jun 2	15,700 Jun 3	32,300 May 18, 1984
LOWEST DAILY MEAN	1.9 Sep 4	62 Aug 13	1.9 Sep 4, 2002
ANNUAL SEVEN-DAY MINIMUM	4.1 Jul 11	73 Aug 11	4.1 Jul 11, 2002
MAXIMUM PEAK FLOW		16,200 Jun 3	33,200 May 18, 1984
MAXIMUM PEAK STAGE		11.86 Jun 3	19.13 May 18, 1984
ANNUAL RUNOFF (AC-FT)	482,200	1,241,000	1,516,000
10 PERCENT EXCEEDS	2,280	5,970	6,470
50 PERCENT EXCEEDS	300	320	650
90 PERCENT EXCEEDS	13	180	210

e Estimated.