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USGS
Water Resources of Colorado


RIO GRANDE BASIN

CLOSED BASIN IN SAN LUIS VALLEY, CO

08224500 KERBER CREEK ABOVE LITTLE KERBER CREEK NEAR VILLA GROVE, CO

LOCATION.--Lat 38°13'13", long 106°05'21", in SW14SE14 sec.21, T.46 N., R.8 E., Saguache County, Hydrologic Unit 13010003, on left bank 3.0 mi upstream from Little Kerber Creek, and 7 mi west of Villa Grove.

DRAINAGE AREA.--45.4 mi2 (revised).

PERIOD OF RECORD.--November 1911 to June 1912 and June 1923 to September 1926 (published as Kerber Creek near Villa Grove). May 1936 to September 1982, October 1998 to current year. Published as "at Ashley Ranch" May 1936 to September 1982 and October 1998 to September 2001. Monthly discharge only for some periods, published in WSP 1312. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=08224500

REVISED RECORDS.--WSP 1312: 1943. WSP 1512: 1943.

GAGE.--Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 8,640 ft above NGVD of 1929, from topographic map. Prior to June 1, 1923, nonrecording gage at site 2.5 mi downstream at different datum. June 1, 1923 to Sept. 16, 1926, and May 2, 1936 to June 24, 2002, at several sites 1.5 mi upstream, at different datums.

REMARKS.--Records good except for estimated daily discharges, which are poor. Natural flow of stream affected by several small diversions for irrigation, and return flow from irrigated areas.

COOPERATION.--Records collected and computed by Colorado Division of Water Resources and reviewed by Geological Survey.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage since at least 1872, that of May 14, 1941, from information by local residents.

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

2.3

1.8

e1.5

e0.01

e1.5

e1.5

e6.0

16

53

8.0

4.4

3.5

2

2.4

2.0

e1.5

0.01

e1.6

e1.4

e5.8

15

e45

7.0

3.9

2.6

3

2.6

1.3

e1.6

0.01

e1.4

e1.5

e5.6

14

e38

6.7

3.1

3.1

4

2.3

1.7

e1.2

0.01

e1.3

e1.7

e5.4

14

e35

6.3

2.8

3.7

5

2.2

1.4

e1.1

e0.00

e1.3

e1.8

e5.4

14

32

6.1

2.4

3.7

6

2.0

1.4

e0.70

e0.00

e1.2

e1.8

e5.4

14

30

5.8

2.3

6.4

7

2.0

1.5

e0.60

e0.00

e1.0

e1.9

e5.0

13

26

5.7

2.3

6.4

8

2.0

1.8

e0.60

e0.00

e1.0

e2.0

5.1

13

24

5.1

2.7

5.7

9

2.0

2.3

e0.64

e0.00

e1.1

e2.1

e7.0

13

23

4.6

3.1

6.3

10

1.8

1.8

e0.54

e0.00

e1.1

e2.3

9.0

13

23

4.5

2.8

12

11

1.8

2.2

e0.58

e0.00

e1.2

e2.7

9.3

13

22

4.2

2.5

7.7

12

1.7

1.7

e0.60

e0.00

e1.2

e3.1

10

15

21

3.9

2.6

6.5

13

1.7

2.3

e0.64

e0.00

e1.8

e3.5

12

18

20

3.6

2.8

5.8

14

1.8

2.6

e0.64

e0.00

e1.7

e4.0

13

21

18

3.5

2.1

5.4

15

1.7

2.2

e0.62

e0.00

e1.5

e4.2

11

27

17

3.4

1.9

5.2

16

1.6

1.7

e0.62

e0.00

e1.4

e4.6

12

28

18

5.9

1.8

4.7

17

1.7

2.2

e0.58

e0.00

e1.5

e4.4

11

35

16

6.1

1.9

4.5

18

1.7

2.2

e0.54

e0.00

e1.7

e4.3

9.7

42

17

4.1

2.2

4.1

19

1.7

1.9

e0.54

e0.00

e1.4

4.0

8.3

43

18

3.2

2.6

4.1

20

1.8

2.1

e0.50

e0.05

e1.3

3.9

8.4

42

15

3.4

1.9

3.9

21

1.7

2.3

e0.39

e0.06

e1.4

3.7

8.8

37

13

3.8

1.6

3.5

22

1.7

e2.2

e0.39

e0.07

e1.6

3.3

9.6

38

12

3.1

1.9

3.4

23

2.2

e2.1

e0.39

e0.20

e1.3

3.9

8.3

42

11

3.4

1.8

3.3

24

2.3

2.3

e0.39

e0.40

e1.2

e4.2

7.8

44

11

3.8

2.2

3.1

25

2.1

e1.7

e0.39

e1.3

e1.5

4.6

11

46

10

2.7

3.8

3.0

26

2.0

1.5

0.39

e1.2

e1.5

e4.4

13

43

9.5

3.3

2.8

2.9

27

2.3

e1.3

0.24

e1.0

e1.5

e4.6

14

44

8.9

4.9

2.6

2.9

28

2.2

e1.4

0.10

e1.0

e1.7

4.5

15

45

8.3

4.5

4.3

2.9

29

2.0

e1.5

0.02

e1.0

---

4.5

16

46

8.2

6.1

8.0

2.8

30

1.7

e1.4

0.01

e1.2

---

4.4

16

53

7.8

6.8

5.3

2.8

31

2.0

---

0.01

e1.8

---

4.9

---

51

---

4.9

4.8

---

TOTAL

61.0

55.8

18.56

9.32

38.9

103.7

283.9

912

610.7

148.4

91.2

135.9

MEAN

1.97

1.86

0.60

0.30

1.39

3.35

9.46

29.4

20.4

4.79

2.94

4.53

MAX

2.6

2.6

1.6

1.8

1.8

4.9

16

53

53

8.0

8.0

12

MIN

1.6

1.3

0.01

0.00

1.0

1.4

5.0

13

7.8

2.7

1.6

2.6

AC-FT

121

111

37

18

77

206

563

1,810

1,210

294

181

270

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 2003, BY WATER YEAR (WY)
MEAN

4.83

4.19

2.96

2.65

3.03

5.00

14.7

45.4

38.2

11.9

7.81

5.04

MAX

16.1

10.0

6.50

6.00

6.00

12.0

44.4

130

102

61.9

42.3

25.6

(WY)

(1939)

(1958)

(1966)

(1966)

(1958)

(1924)

(1924)

(1942)

(1941)

(1957)

(1957)

(1957)

MIN

1.97

1.82

0.60

0.000

0.86

1.50

5.79

5.28

2.63

0.73

0.40

1.08

(WY)

(2003)

(1956)

(2003)

(1977)

(1972)

(1964)

(2002)

(2002)

(2002)

(2002)

(2002)

(1956)

SUMMARY STATISTICS
FOR 2002 CALENDAR YEAR
FOR 2003 WATER YEAR
(a)WATER YEARS 1923 - 2003
ANNUAL TOTAL
817.82
2,469.38
ANNUAL MEAN
2.24
6.77
12.1
HIGHEST ANNUAL MEAN
25.4 1924
LOWEST ANNUAL MEAN
2.49 2002
HIGHEST DAILY MEAN
7.4 Apr 15
53 May 30
363 May 14, 1941
LOWEST DAILY MEAN
0.01 Aug 16
e0.00 Jan 5
b0.00 Dec 30, 1976
ANNUAL SEVEN-DAY MINIMUM
0.02 Aug 14
e0.00 Jan 5
c0.00 Dec 30, 1976
MAXIMUM PEAK FLOW
56 May 30
d407 May 14, 1941
MAXIMUM PEAK STAGE
1.36 May 30
f3.88 May 14, 1941
ANNUAL RUNOFF (AC-FT)
1,620
4,900
8,780
10 PERCENT EXCEEDS
5.2
17
31
50 PERCENT EXCEEDS
1.7
2.8
4.5
90 PERCENT EXCEEDS
0.36
0.52
2.2

e Estimated.
a Water years 1983, and 1994 to 1998 data were published by the Colorado Division of Water Resources. Station was not operated during water years 1984 to 1993.
b Also occurred Dec 31, 1976 to Jan 31, 1977, and Jan 5-19, 2003 (no flow estimated).
c Also occurred Jan 5-19, 2003 (no flow estimated).
d From rating curve extended above 140 ft3/s.
f Maximum gage-height, 5.04 ft, May 11, 1947, site and datum then in use, backwater from beaver dam.


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Water Resources of Colorado
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