EAGLE RIVER BASIN

09070000 EAGLE RIVER BELOW GYPSUM, CO

LOCATION.--Lat 39°38'58", long 106°57'11", in SW14NW14 sec.5, T.5 S., R.85 W., Eagle County, Hydrologic Unit 14010003, on right bank 20 ft downstream from bridge on U.S. Highways 6 and 24 at Gypsum and 150 ft downstream from Gypsum Creek.

DRAINAGE AREA.--944 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1946 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09070000

REVISED RECORDS.--WDR CO-88-2: Drainage area.

GAGE.--Water-stage recorder with satellite telemetry. Datum of gage is 6,275.11 ft, above NGVD of 1929.

REMARKS.--No estimated daily discharges. Records good except for the period Aug. 19-27, and estimated daily discharges, which are poor. Transmountain diversions upstream from station, see elsewhere in this report. Transbasin diversions upstream from station from Robinson Reservoir (capacity, 2,520 acre-ft) to Tenmile Creek for mining development. Many small diversions for irrigation of hay meadows 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	231	200	144	146	130	123	145	571	5,140	1,060	302	235
2	222	193	152	165	132	123	164	502	5,030	1,030	283	210
3	231	185	146	149	133	118	181	476	3,980	1,020	268	195
4	238	159	149	143	123	121	187	544	3,440	957	278	192
5	230	172	140	142	121	122	175	528	3,030	889	272	186
6	223	163	131	132	120	120	172	453	2,640	830	250	190
7	211	156	117	139	106	119	169	413	2,360	768	238	237
8	203	173	115	137	95	125	158	405	2,090	709	250	280
9	204	200	121	142	137	135	157	396	2,100	663	247	315
10	194	195	95	144	137	136	171	395	2,290	619	231	418
11	186	185	106	146	150	145	209	375	2,350	569	222	478
12	180	177	132	140	152	148	254	365	2,310	538	214	410
13	170	166	133	151	135	146	275	454	2,250	508	215	426
14	163	184	137	149	140	148	328	585	2,120	486	215	407
15	164	170	131	133	149	147	397	849	2,160	448	209	351
16	161	154	146	132	132	152	384	1,030	2,210	452	202	314
17	156	148	152	140	130	157	350	1,440	1,970	440	265	288
18	152	165	153	152	126	162	356	1,760	1,940	428	432	272
19	154	153	156	132	119	146	333	1,850	1,860	426	485	263
20	153	150	130	149	113	139	307	1,690	1,960	399	354	250
21	147	153	148	154	121	145	298	1,670	1,830	379	284	240
22	148	152	162	147	125	143	316	1,910	1,720	361	242	229
23	166	154	139	132	122	153	373	2,390	1,680	338	259	219
24	167	155	114	134	117	154	361	2,730	1,540	318	263	199
25	165	155	146	137	123	156	388	3,030	1,360	319	265	199
26	161	130	133	134	123	150	429	3,030	1,210	374	258	193
27	163	107	136	131	124	160	519	3,230	1,210	388	234	187
28	171	147	143	132	121	149	603	4,020	1,200	371	250	187
29	171	156	146	129	---	138	596	4,430	1,220	362	239	186
30	166	165	137	126	---	140	636	4,780	1,140	364	224	185
31	176	---	134	127	---	141	---	4,570	---	326	245	---
TOTAL	5,627	4,922	4,224	4,346	3,556	4,361	9,391	50,871	67,340	17,139	8,195	7,941
MEAN	182	164	136	140	127	141	313	1,641	2,245	553	264	265
MAX	238	200	162	165	152	162	636	4,780	5,140	1,060	485	478
MIN	147	107	95	126	95	118	145	365	1,140	318	202	185
AC-FT	11,160	9,760	8,380	8,620	7,050	8,650	18,630	100,900	133,600	34,000	16,250	15,750
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1947 - 2003, BY WATER YEAR (WY)
MEAN	258	239	197	181	174	189	350	1,343	2,260	986	380	267
MAX	526	382	277	243	252	297	862	2,722	4,134	2,989	1,096	625
(WY)	(1962)	(1985)	(1985)	(1984)	(1986)	(1986)	(1962)	(1984)	(1984)	(1957)	(1984)	(1984)
MIN	129	164	136	139	125	138	183	528	597	170	124	141
(WY)	(1957)	(2003)	(2003)	(1990)	(1992)	(1965)	(1983)	(1977)	(2002)	(2002)	(2002)	(1956)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1947 - 2003
ANNUAL TOTAL	91,473	187,913
ANNUAL MEAN	251	515	569
HIGHEST ANNUAL MEAN			1,082 1984
LOWEST ANNUAL MEAN			255 2002
HIGHEST DAILY MEAN	1,270 Jun 1	5,140 Jun 1	6,580 May 25, 1984
LOWEST DAILY MEAN	70 Sep 6	95 Dec 10	70 Sep 6, 2002
ANNUAL SEVEN-DAY MINIMUM	72 Sep 1	117 Dec 6	72 Sep 1, 2002
MAXIMUM PEAK FLOW		5,880 Jun 2	7,020 May 25, 1984
MAXIMUM PEAK STAGE		8.72 Jun 2	9.46 May 25, 1984
ANNUAL RUNOFF (AC-FT)	181,400	372,700	412,500
10 PERCENT EXCEEDS	516	1,670	1,560
50 PERCENT EXCEEDS	171	187	241
90 PERCENT EXCEEDS	117	130	158