ARKANSAS RIVER BASIN

07099970 ARKANSAS RIVER AT MOFFAT STREET AT PUEBLO, CO

LOCATION.--Lat 38°15'13", long 104°36'20", in SW14NW14 sec.6, T.21 S., R.64 W., Pueblo County, Hydrologic Unit 11020002, on right bank 10 ft upstream from Saint Charles Mesa Water District intake at Moffat Street at Pueblo, 150 ft downstream from Santa Fe Avenue bridge, and 1.1 mi upstream from Fountain Creek.

DRAINAGE AREA.--4,778 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1988 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07099970

REVISED RECORDS: WDR CO-90-1: 1989(M).

GAGE.--Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 4,653 ft above NGVD of 1929, from topographic map.

REMARKS.--Records good except for Nov. 16 to Mar. 17 and July 21, which are fair. Records do not include diversion for municipal supply of Saint Charles Mesa Water District. Natural flow of stream affected by storage reservoirs, power developments, transbasin and transmountain diversions, diversions for irrigation and municipal use, ground-water withdrawals, return flows from irrigated areas, and flows from sewage-treatment plants. Flow almost completely regulated by Pueblo Reservoir (station 07099350) 8 mi upstream since Jan. 9, 1974.

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	2.2	58	1.9	1.7	1.5	1.5	15	128	4,050	713	205	202
2	9.7	57	1.9	1.8	1.5	1.7	160	80	4,620	675	355	139
3	25	56	1.9	1.8	1.5	1.5	195	78	4,790	559	338	63
4	69	63	2.0	1.7	1.5	1.5	250	78	4,300	536	327	33
5	70	75	1.9	1.7	1.5	1.5	281	90	3,430	604	320	54
6	68	75	1.9	1.7	1.9	1.5	302	106	2,140	611	321	67
7	70	78	1.9	1.7	1.5	1.5	311	106	1,470	608	331	81
8	68	83	1.9	1.7	1.5	1.4	276	60	1,170	592	168	112
9	36	82	1.9	1.7	1.5	1.4	236	2.3	904	581	61	166
10	3.4	81	1.9	1.7	1.5	1.4	223	2.9	856	573	61	220
11	2.7	82	1.9	1.7	1.5	1.4	223	2.4	1,200	508	62	260
12	2.3	81	1.9	1.7	1.6	1.4	197	2.3	1,480	441	70	278
13	2.3	80	1.9	1.7	1.5	1.4	196	86	1,600	442	60	303
14	2.3	76	1.9	1.7	1.7	1.4	190	213	1,620	455	65	288
15	2.3	17	1.9	1.7	1.5	1.5	164	264	1,620	502	72	289
16	2.6	1.9	1.9	1.7	1.5	1.5	165	254	1,620	458	71	273
17	2.8	1.9	1.9	1.7	1.5	5.3	178	446	1,610	453	70	204
18	2.5	1.9	1.9	1.7	1.5	7.6	150	478	1,500	400	120	111
19	2.5	1.9	1.9	1.7	5.0	46	280	510	1,500	369	78	66
20	2.5	1.9	1.9	1.5	1.5	89	187	613	1,400	300	89	96
21	2.4	1.9	1.9	1.5	1.5	127	165	759	1,360	e255	89	114
22	2.6	1.9	1.8	1.5	1.5	131	155	854	1,480	231	86	82
23	2.4	1.9	1.7	1.5	1.5	132	179	896	1,280	231	95	76
24	2.3	1.9	1.7	1.5	1.5	104	174	1,090	1,080	210	94	55
25	2.3	1.9	1.7	1.5	1.5	69	170	1,420	991	162	107	42
26	2.4	1.9	1.8	1.5	1.5	67	77	1,870	861	133	116	20
27	2.8	1.9	1.7	1.5	1.5	74	75	1,940	785	113	116	17
28	2.3	1.9	1.7	1.5	1.9	71	77	1,950	786	128	126	17
29	25	1.9	1.7	1.5	---	43	74	2,150	784	197	196	17
30	54	1.9	1.7	1.5	---	33	98	2,640	756	239	288	16
31	59	---	1.7	1.5	---	13	---	3,280	---	218	275	---
TOTAL	603.6	1,072.5	57.2	50.5	46.6	1,035.4	5,423	22,448.9	53,043	12,497	4,832	3,761
MEAN	19.5	35.8	1.85	1.63	1.66	33.4	181	724	1,768	403	156	125
MAX	70	83	2.0	1.8	5.0	132	311	3,280	4,790	713	355	303
MIN	2.2	1.9	1.7	1.5	1.5	1.4	15	2.3	756	113	60	16
AC-FT	1,200	2,130	113	100	92	2,050	10,760	44,530	105,200	24,790	9,580	7,460
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2003, BY WATER YEAR (WY)
MEAN	229	201	104	97.0	128	289	531	1,072	2,071	1,366	843	321
MAX	431	491	330	355	312	623	1,031	1,716	4,111	4,290	1,616	699
(WY)	(1996)	(1998)	(1998)	(2000)	(1996)	(1997)	(1998)	(1996)	(1997)	(1995)	(1995)	(1995)
MIN	19.5	35.7	1.85	1.63	1.66	33.4	107	320	310	213	8.23	3.70
(WY)	(2003)	(2003)	(2003)	(2003)	(2003)	(2003)	(2002)	(2002)	(2002)	(2002)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1989 - 2003
ANNUAL TOTAL	38,409.2	104,870.7
ANNUAL MEAN	105	287	606
HIGHEST ANNUAL MEAN			1,107 1995
LOWEST ANNUAL MEAN			129 2002
HIGHEST DAILY MEAN	772 Jun 9	4,790 Jun 3	6,030 Jun 23, 1997
LOWEST DAILY MEAN	1.7 Dec 23	1.4 Mar 8	a1.4 Mar 8, 2003
ANNUAL SEVEN-DAY MINIMUM	1.7 Dec 23	1.4 Mar 8	1.4 Mar 8, 2003
MAXIMUM PEAK FLOW		4,880 Jun 2	b10,400 Jun 3, 1994
MAXIMUM PEAK STAGE		12.04 Jun 2	14.18 Jun 3, 1994
ANNUAL RUNOFF (AC-FT)	76,180	208,000	439,100
10 PERCENT EXCEEDS	290	813	1,580
50 PERCENT EXCEEDS	64	68	296
90 PERCENT EXCEEDS	1.9	1.5	42

e Estimated. a Also occurred Mar. 9-14, 2003. b From rating curve extended above 5,190 ft3/s on basis of slope-conveyance and area-velocity study.