WILLIAMS FORK BASIN

09035500 WILLIAMS FORK BELOW STEELMAN CREEK, CO

LOCATION.--Lat 39°46'44", long 105°55'40", in sec.20, T.3 S., R.76 W., Grand County, Hydrologic Unit 14010001, on right bank 700 ft downstream from Steelman Creek and 6.5 mi southeast of Leal.

DRAINAGE AREA.--16.3 mi2.

PERIOD OF RECORD.--July 1933 to September 1941, published as Williams River below Steelman Creek. October 1965 to current year. Monthly discharge only for some periods, published in WSP 1313. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09035500

REVISED RECORDS.--WSP 1313: 1937(M).

GAGE.--Water-stage recorder. Elevation of gage is 9,800 ft above NGVD of 1929, from topographic map. Prior to July 21, 1933, nonrecording gage, and
July 21, 1933 to Sept. 30, 1941, water-stage recorder at site 600 ft upstream at different datum.

REMARKS.--Records good except for estimated daily discharges, which are poor. Transmountain diversions upstream from station through August P. Gumlick Tunnel (station 09035000) since May 10, 1940. 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	0.82	e0.65	e0.87	e0.56	e0.50	e0.73	e0.70	7.5	333	110	1.7	1.4
2	1.9	e0.65	e0.91	e0.56	e0.57	e0.70	e1.0	6.8	251	106	1.6	1.2
3	1.2	e0.65	e0.76	e0.56	e0.57	e0.68	e1.4	6.5	219	102	2.1	1.3
4	2.4	e0.66	e0.71	e0.62	e0.52	e0.69	e1.7	6.5	200	97	2.1	1.4
5	1.2	e0.67	e0.58	e0.61	e0.53	e0.69	e1.8	6.3	173	91	1.6	1.2
6	1.1	e0.68	e0.63	e0.54	e0.53	e0.73	e1.9	6.1	143	70	1.5	1.5
7	2.9	e0.71	e0.59	e0.46	e0.50	e0.75	e1.9	6.0	126	35	1.5	1.8
8	2.2	e0.72	e0.51	e0.48	e0.49	e0.86	e1.8	6.0	120	5.3	1.5	1.6
9	2.5	e0.72	e0.51	e0.51	e0.49	e0.90	e1.8	5.8	140	4.6	1.4	3.4
10	0.94	e0.72	e0.51	e0.51	e0.44	e0.90	e1.8	6.1	168	16	1.9	11
11	2.3	e0.73	e0.51	e0.44	e0.44	e0.91	e2.5	5.8	181	3.9	1.3	2.1
12	0.92	e0.73	e0.52	e0.44	e0.44	e0.92	e3.4	6.6	184	3.5	1.2	1.9
13	0.84	e0.70	e0.61	e0.44	e0.66	e0.92	e4.3	10	172	3.3	1.2	1.7
14	2.6	e0.67	e0.73	e0.44	e0.67	e0.93	e5.1	14	183	16	1.1	1.6
15	2.0	e0.64	e0.78	e0.44	e0.66	e0.94	e5.7	21	195	4.0	1.0	1.5
16	0.81	e0.64	e0.79	e0.44	e0.80	e0.86	e5.0	30	193	3.7	3.2	1.4
17	0.76	e0.74	e0.80	e0.44	e0.83	e0.79	e4.5	53	188	9.3	3.1	1.4
18	0.73	e0.86	e0.73	e0.44	e0.83	e0.74	e4.3	70	195	3.0	4.0	1.4
19	0.65	e0.86	e0.70	e0.44	e0.84	e0.69	e4.1	64	198	2.9	1.9	1.4
20	0.56	e0.84	e0.59	e0.44	e0.82	e0.73	e3.7	58	189	2.9	1.5	1.3
21	0.64	e0.79	e0.52	e0.44	e0.80	e0.75	e3.8	74	177	14	1.3	1.3
22	e0.72	e0.79	e0.47	e0.44	e0.77	e0.78	e3.9	98	168	2.6	1.3	1.3
23	e0.77	e0.79	e0.45	e0.44	e0.75	e0.78	e3.6	121	166	2.3	1.7	1.2
24	e0.75	e0.67	e0.44	e0.49	e0.72	e0.90	e2.5	134	152	12	1.8	1.2
25	e0.68	e0.58	e0.45	e0.49	e0.70	e0.93	e3.6	147	135	2.2	2.0	1.5
26	e0.65	e0.56	e0.45	e0.42	e0.69	e0.93	e4.7	153	124	2.3	1.7	1.6
27	e0.64	e0.56	e0.49	e0.39	e0.68	e0.79	e6.2	186	121	2.2	1.4	1.2
28	e0.62	e0.74	e0.56	e0.35	e0.68	e0.57	e6.8	224	120	14	1.3	1.4
29	e0.62	e0.72	e0.57	e0.35	---	e0.56	7.1	262	118	2.0	1.3	2.7
30	e0.63	e0.78	e0.59	e0.35	---	e0.55	7.6	265	113	1.8	1.8	11
31	e0.64	---	e0.59	e0.51	---	e0.57	---	303	---	1.8	1.7	---
TOTAL	36.69	21.22	18.92	14.48	17.92	24.17	108.20	2,363.0	5,145	746.6	53.7	65.9
MEAN	1.18	0.71	0.61	0.47	0.64	0.78	3.61	76.2	172	24.1	1.73	2.20
MAX	2.9	0.86	0.91	0.62	0.84	0.94	7.6	303	333	110	4.0	11
MIN	0.56	0.56	0.44	0.35	0.44	0.55	0.70	5.8	113	1.8	1.0	1.2
AC-FT	73	42	38	29	36	48	215	4,690	10,210	1,480	107	131
a	294	222	167	169	115	109	40	0	0	2,388	1,035	978
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1934 - 2003, BY WATER YEAR (WY)
MEAN	5.37	3.51	2.44	2.05	1.95	2.02	3.80	32.9	116	55.7	11.7	6.84
MAX	16.3	8.07	4.85	4.30	4.02	4.99	10.6	89.2	213	200	44.5	18.4
(WY)	(1985)	(1938)	(1996)	(1939)	(1999)	(1999)	(1992)	(1936)	(1938)	(1995)	(1983)	(1984)
MIN	0.98	0.58	0.39	0.31	0.30	0.35	0.61	5.45	5.83	1.07	0.67	0.68
(WY)	(1967)	(1987)	(1987)	(1978)	(1978)	(1987)	(1973)	(1991)	(2002)	(2002)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1934 - 2003
ANNUAL TOTAL	718.34	b8,615.80
ANNUAL MEAN	1.97	b23.6	c26.4
HIGHEST ANNUAL MEAN			39.0 1995
LOWEST ANNUAL MEAN			2.41 2002
HIGHEST DAILY MEAN	32 Jun 3	333 Jun 1	395 Jul 12, 1995
LOWEST DAILY MEAN	0.40 Aug 28	e0.35 Jan 28	0.20 Mar 6, 1967
ANNUAL SEVEN-DAY MINIMUM	0.44 Aug 23	e0.41 Jan 24	0.27 Feb 13, 1971
MAXIMUM PEAK FLOW		431 May 31	d516 Jul 11, 1995
MAXIMUM PEAK STAGE		5.27 May 31	f5.64 Jul 11, 1995
ANNUAL RUNOFF (AC-FT)	1,420	b17,090	c19,130
10 PERCENT EXCEEDS	3.7	120	68
50 PERCENT EXCEEDS	1.1	1.2	3.5
90 PERCENT EXCEEDS	0.56	0.51	0.60

e Estimated. a Diversions in acre-feet, through August P. Gumlick Tunnel, provided by Denver Water Board. b Does not include diversions through August P. Gumlick Tunnel. c Includes diversions to August P. Gumlick Tunnel. d From rating curve extended above 250 ft3/s. f Maximum gage height, 6.96 ft, May 15, 1984, backwater from ice.