LOCATION.--Lat 39°21'56", long 106°49'30", in SE14SE14 sec.12, T.8 S., R.85 W., Pitkin County, Hydrologic Unit 14010004, on right bank 0.4 mi downstream from Rocky Fork Creek and Ruedi Dam, 1.5 mi west of former site of Ruedi, and 12.5 mi east of Basalt.
DRAINAGE AREA.--238 mi2.
PERIOD OF RECORD.--October 1964 to current year. Statistical summary computed for 1969 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09080400
GAGE.--Water-stage recorder with satellite telemetry and concrete control. Datum of gage is 7,473.25 ft above NGVD of 1929, (levels by U.S. Bureau of Reclamation). Prior to Nov. 7, 1970, at site 2.0 mi downstream at different datum.
REMARKS.--No estimated daily discharges. Records good. Diversions for irrigation of hay meadows upstream from station. Transmountain diversions upstream from station to Arkansas River basin through Busk-Ivanhoe Tunnel since June 1925 and Charles H. Boustead Tunnel since May 16, 1972 (see elsewhere in this report). Flow regulated by Ruedi Reservoir (station 09080190) since May 18, 1968. Several observations 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
|
|
|
|
|
|
|
|
|
|
|
|
|
|
94
|
51
|
42
|
41
|
40
|
41
|
41
|
65
|
140
|
116
|
129
|
239
|
|
94
|
43
|
42
|
41
|
40
|
41
|
41
|
115
|
134
|
118
|
130
|
239
|
|
94
|
42
|
42
|
41
|
40
|
41
|
42
|
116
|
111
|
118
|
130
|
315
|
|
94
|
42
|
42
|
41
|
40
|
41
|
41
|
116
|
108
|
118
|
131
|
288
|
|
94
|
42
|
42
|
41
|
40
|
41
|
41
|
116
|
117
|
118
|
130
|
301
|
|
94
|
42
|
42
|
41
|
40
|
41
|
41
|
116
|
111
|
118
|
135
|
293
|
|
94
|
42
|
42
|
41
|
40
|
41
|
41
|
113
|
107
|
117
|
163
|
293
|
|
95
|
42
|
42
|
41
|
40
|
41
|
41
|
110
|
104
|
116
|
178
|
254
|
|
94
|
43
|
41
|
41
|
40
|
41
|
41
|
110
|
102
|
116
|
221
|
175
|
|
89
|
42
|
41
|
41
|
40
|
41
|
41
|
109
|
102
|
116
|
220
|
137
|
|
71
|
42
|
41
|
41
|
40
|
41
|
42
|
109
|
108
|
116
|
220
|
136
|
|
71
|
42
|
41
|
41
|
40
|
41
|
73
|
109
|
114
|
116
|
228
|
136
|
|
71
|
42
|
41
|
41
|
40
|
41
|
88
|
109
|
117
|
116
|
247
|
139
|
|
70
|
42
|
41
|
41
|
40
|
41
|
63
|
109
|
113
|
116
|
242
|
139
|
|
71
|
42
|
41
|
41
|
40
|
41
|
42
|
109
|
111
|
115
|
242
|
139
|
|
70
|
42
|
41
|
41
|
40
|
41
|
42
|
111
|
109
|
116
|
242
|
139
|
|
70
|
42
|
41
|
41
|
40
|
41
|
42
|
114
|
109
|
116
|
242
|
150
|
|
67
|
42
|
41
|
41
|
41
|
41
|
42
|
119
|
109
|
116
|
242
|
219
|
|
53
|
42
|
41
|
41
|
40
|
41
|
43
|
124
|
110
|
116
|
242
|
231
|
|
52
|
42
|
41
|
41
|
40
|
41
|
42
|
130
|
117
|
116
|
241
|
231
|
|
52
|
42
|
41
|
41
|
41
|
41
|
43
|
131
|
119
|
116
|
241
|
231
|
|
52
|
42
|
41
|
41
|
41
|
41
|
43
|
134
|
117
|
116
|
242
|
230
|
|
52
|
42
|
41
|
41
|
41
|
41
|
44
|
144
|
115
|
116
|
242
|
229
|
|
52
|
42
|
41
|
41
|
41
|
42
|
44
|
148
|
114
|
116
|
242
|
229
|
|
52
|
42
|
41
|
41
|
41
|
42
|
45
|
149
|
112
|
146
|
242
|
229
|
|
52
|
42
|
41
|
40
|
41
|
42
|
45
|
150
|
111
|
277
|
242
|
228
|
|
52
|
42
|
41
|
40
|
41
|
42
|
44
|
140
|
110
|
329
|
242
|
228
|
|
52
|
42
|
41
|
40
|
41
|
41
|
44
|
114
|
109
|
275
|
242
|
228
|
|
52
|
42
|
41
|
40
|
---
|
41
|
45
|
121
|
109
|
120
|
241
|
228
|
|
52
|
42
|
41
|
40
|
---
|
41
|
45
|
128
|
110
|
102
|
239
|
228
|
|
52
|
---
|
41
|
40
|
---
|
41
|
---
|
129
|
---
|
108
|
238
|
---
|
|
2,174
|
1,271
|
1,279
|
1,265
|
1,129
|
1,275
|
1,372
|
3,717
|
3,379
|
4,151
|
6,608
|
6,481
|
|
70.1
|
42.4
|
41.3
|
40.8
|
40.3
|
41.1
|
45.7
|
120
|
113
|
134
|
213
|
216
|
|
95
|
51
|
42
|
41
|
41
|
42
|
88
|
150
|
140
|
329
|
247
|
315
|
|
52
|
42
|
41
|
40
|
40
|
41
|
41
|
65
|
102
|
102
|
129
|
136
|
|
4,310
|
2,520
|
2,540
|
2,510
|
2,240
|
2,530
|
2,720
|
7,370
|
6,700
|
8,230
|
13,110
|
12,860
|
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1969 - 2003, BY WATER YEAR (WY)
|
|
151
|
122
|
129
|
126
|
128
|
137
|
157
|
262
|
352
|
261
|
172
|
155
|
|
366
|
185
|
224
|
228
|
250
|
280
|
370
|
669
|
950
|
812
|
293
|
262
|
|
(1970)
|
(1985)
|
(1996)
|
(1996)
|
(1996)
|
(1996)
|
(1971)
|
(1970)
|
(1984)
|
(1995)
|
(2000)
|
(2001)
|
|
54.8
|
42.4
|
38.2
|
36.8
|
36.3
|
33.6
|
39.1
|
116
|
113
|
95.9
|
57.1
|
49.1
|
|
(1978)
|
(2003)
|
(1969)
|
(1969)
|
(1969)
|
(1977)
|
(1969)
|
(1990)
|
(2003)
|
(1977)
|
(1977)
|
(1977)
|
a Subsequent to completion of Ruedi Reservoir.
b Minimum daily discharge for period of record, 16 ft 3/s, Feb 2, 1968 (result of storage in Ruedi Reservoir); minimum daily discharge prior to construction of Ruedi Reservoir, 28 ft 3/s, Mar 4, 1966.
c Maximum discharge and stage for period of record, 2,690 ft 3/s, Jun 18, 1965, gage height 5.16 ft, site and datum then in use.
d Maximum gage height for statistical period, 3.89 ft, Jun 24, 1983.
|