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USGS
Water Resources of Colorado


ARKANSAS RIVER BASIN

07121500 TIMPAS CREEK AT MOUTH NEAR SWINK, CO

LOCATION.--Lat 38°00'11", long 103°39'20", in NW14SW14 sec.35, T.23 S., R.56 W., Otero County, Hydrologic Unit 11020005, on right bank at downstream side of 23rd Rd. Bridge, 1.7 mi southwest of Swink, and 2.9 mi upstream from mouth.

DRAINAGE AREA.--496 mi2.

PERIOD OF RECORD.--January 1922 to September 1925, March 1968 to current year. Monthly discharge only for some periods, published in WSP 1311. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07121500

REVISED RECORDS.--WDR CO 76-1: 1975.

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 4,120 ft above NGVD of 1929, from topographic map. Jan. 1922 to Sept. 1925 at several sites downstream at different datum. Mar. 1968 to May 29, 1975, at site 140 ft downstream at datum 0.13 ft lower. May 30, 1975 to Nov. 25, 1980, at site on left bank at same datum.

REMARKS.--No estimated daily discharges. Records good. Natural flow of stream affected by erosion-control and livestock-watering reservoirs, diversions for irrigation, ground-water withdrawals, and return flows from irrigated areas and from Catlin and Rocky Ford Highline Canals. 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.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge since at least 1922, 21,400 ft3/s, June 17, 1965, gage height unknown.

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

6.8

18

17

9.4

15

7.7

27

30

79

133

42

39

2

7.0

19

15

9.5

24

7.4

11

32

89

95

37

44

3

7.4

14

15

9.5

40

7.2

9.4

32

100

82

38

53

4

8.3

12

28

9.7

42

6.8

27

31

90

80

38

45

5

9.5

12

31

9.9

40

6.6

32

31

94

79

42

36

6

7.7

13

31

9.9

42

7.1

33

31

95

78

33

34

7

8.9

13

31

10

26

7.0

35

33

92

74

42

34

8

8.0

14

31

31

6.9

7.0

36

36

87

74

42

34

9

7.7

15

28

22

6.4

6.7

35

35

80

72

42

35

10

7.8

18

22

17

6.6

7.0

34

34

75

74

46

34

11

7.9

14

23

24

6.7

7.0

34

34

75

74

41

33

12

8.3

12

26

8.3

7.3

6.8

33

31

74

74

41

34

13

8.8

11

18

7.8

7.8

6.9

33

32

85

69

40

34

14

9.7

11

18

7.9

8.3

23

32

29

83

65

38

37

15

9.3

19

18

8.3

8.2

26

33

29

95

62

37

37

16

9.4

15

19

8.2

8.2

28

36

25

78

55

33

44

17

9.2

13

17

8.5

8.4

28

33

36

102

55

32

50

18

8.9

15

17

8.8

29

28

35

40

248

56

30

49

19

11

15

17

8.9

10

32

44

41

164

56

29

42

20

10

16

24

9.0

10

30

41

43

131

48

32

37

21

9.2

13

34

9.0

8.1

13

46

44

117

47

36

34

22

10

14

33

9.2

8.2

16

40

52

96

45

35

34

23

10

15

41

9.3

9.5

41

40

65

98

45

30

34

24

11

15

16

9.5

10

60

36

74

100

44

27

34

25

9.7

14

8.5

9.7

7.1

14

35

80

89

43

28

34

26

10

13

8.2

9.8

6.9

24

34

75

86

43

31

34

27

9.6

22

8.2

10

7.9

32

32

77

80

44

27

33

28

9.6

34

8.5

10

8.4

32

31

89

75

44

37

33

29

9.8

22

9.0

12

---

33

32

81

83

44

38

34

30

12

21

9.2

39

---

32

30

70

864

60

40

34

31

13

---

9.2

21

---

30

---

77

---

49

42

---

TOTAL

285.5

472

630.8

386.1

418.9

613.2

989.4

1,449

3,704

1,963

1,126

1,123

MEAN

9.21

15.7

20.3

12.5

15.0

19.8

33.0

46.7

123

63.3

36.3

37.4

MAX

13

34

41

39

42

60

46

89

864

133

46

53

MIN

6.8

11

8.2

7.8

6.4

6.6

9.4

25

74

43

27

33

AC-FT

566

936

1,250

766

831

1,220

1,960

2,870

7,350

3,890

2,230

2,230

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1922 - 2003, BY WATER YEAR (WY)
MEAN

87.1

75.3

34.2

22.8

30.0

58.8

63.8

76.2

81.6

72.8

83.2

70.7

MAX

265

210

109

60.4

84.6

201

170

187

318

200

401

159

(WY)

(1924)

(1924)

(1971)

(1923)

(1924)

(1924)

(1924)

(1995)

(1923)

(1923)

(1923)

(1986)

MIN

9.21

15.7

9.80

7.87

11.4

19.8

11.0

14.0

21.9

13.0

10.6

9.60

(WY)

(2003)

(2003)

(1979)

(1975)

(1976)

(2003)

(1978)

(1981)

(2002)

(2002)

(2002)

(2002)

SUMMARY STATISTICS
FOR 2002 CALENDAR YEAR
FOR 2003 WATER YEAR
WATER YEARS 1922 - 2003
ANNUAL TOTAL
5,921.3
13,160.9
ANNUAL MEAN
16.2
36.1
63.3
HIGHEST ANNUAL MEAN
130 1923
LOWEST ANNUAL MEAN
23.7 2002
HIGHEST DAILY MEAN
114 Mar 16
864 Jun 30
2,670 Aug 17, 1923
LOWEST DAILY MEAN
6.8 Oct 1
6.4 Feb 9
3.3 Aug 7, 1977
ANNUAL SEVEN-DAY MINIMUM
7.8 Sep 28
6.9 Mar 4
5.7 Dec 16, 1978
MAXIMUM PEAK FLOW
a2,820 Jun 30
b12,300 Jul 10, 1978
MAXIMUM PEAK STAGE
14.58 Jun 30
c21.11 Jul 10, 1978
ANNUAL RUNOFF (AC-FT)
11,740
26,100
45,820
10 PERCENT EXCEEDS
24
77
123
50 PERCENT EXCEEDS
14
31
48
90 PERCENT EXCEEDS
8.8
8.2
15

a From rating curve extended above 2,260 ft3/s on basis of contracted-opening measurement of peak flow.
b From contracted-opening measurement of peak flow.
c From floodmark.


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U.S. Geological Survey
Water Resources of Colorado
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