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USGS
Water Resources of Colorado


PLATTE RIVER BASIN

402114105350101 BIG THOMPSON RIVER BELOW MORAINE PARK NEAR ESTES PARK, CO

LOCATION.--Lat 40°21'14", long 105°35'01", in SE14SW14 sec.33, T.5 N., R.73 W., Larimer County, Hydrologic Unit 10190006, on left upstream wingwall of bridge at lower Moraine Park parking lot, in Rocky Mountain National Park, and 4.0 mi southwest of Estes Park.

DRAINAGE AREA.--39.8 mi2.

PERIOD OF RECORD.--October 1995 to September 1997, April 2001 to current year. Hydrologic Benchmark Network water-quality site. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=402114105350101.

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 8,005 ft above NGVD of 1929, from topographic map.

REMARKS.--Records good, except for estimated daily discharges, which are poor. No diversion or regulation upstream from gage. Water-quality data has been collected at this site as part of the South Platte River Basin National Water-Quality Assessment Program and is available at http://waterdata.usgs.gov/co/nwis/inventory/?site_no=402114105350101.

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

12

e9.9

e6.5

e3.7

e2.8

e2.5

e12

32

658

189

57

46

2

14

e9.9

e6.5

e3.5

e2.8

e2.5

e13

27

504

176

56

39

3

17

e9.9

e6.5

e3.4

e2.8

e2.5

e15

25

425

175

54

44

4

15

e9.8

e6.6

e3.3

e2.8

e2.6

e15

29

346

165

63

46

5

16

e9.9

e6.4

e3.2

e2.7

e2.6

e14

27

272

158

57

38

6

15

e9.7

e6.1

e3.2

e2.7

e2.6

e14

24

229

147

51

36

7

14

e9.5

e5.9

e3.2

e2.7

e2.6

e14

23

197

137

48

39

8

17

e9.5

e5.8

e3.1

e2.7

e2.7

e15

24

176

139

48

45

9

17

e9.5

e5.8

e3.1

e2.7

e2.7

e15

25

196

142

49

44

10

16

e9.4

e5.7

e3.1

e2.7

e2.7

e22

26

259

127

45

39

11

15

e9.3

e5.7

e3.1

e2.7

e2.7

e24

27

305

118

49

36

12

13

e9.2

e5.6

e3.0

e2.7

e2.8

25

25

276

117

44

32

13

12

e9.0

e5.7

e3.0

e2.6

e2.8

29

29

279

117

40

30

14

12

e8.9

e5.7

e3.0

e2.6

e2.8

35

33

300

109

41

28

15

11

e8.4

e5.7

e3.0

e2.6

e2.9

35

51

328

110

43

24

16

11

e8.0

e5.5

e3.0

e2.6

e2.9

30

75

301

108

40

22

17

10

e7.8

e5.4

e3.0

e2.6

e3.0

28

122

273

108

55

21

18

10

e7.6

e5.4

e2.9

e2.6

e3.6

27

157

328

108

71

22

19

9.7

e7.5

e5.3

e2.9

e2.6

e4.6

23

135

313

112

67

21

20

9.7

e7.5

e5.3

e2.9

e2.6

e4.8

20

115

279

114

50

19

21

9.1

e7.4

e5.2

e2.9

e2.6

e5.6

20

113

270

101

42

18

22

9.2

e7.4

e5.0

e2.9

e2.6

e5.2

21

141

237

92

38

17

23

9.7

e7.4

e4.9

e2.9

e2.5

e5.2

23

189

235

90

38

15

24

12

e7.4

e4.8

e2.9

e2.5

e5.1

23

244

239

84

42

14

25

11

e7.3

e4.6

e2.8

e2.5

e5.1

24

271

212

84

44

14

26

10

e7.0

e4.4

e2.8

e2.5

e5.1

29

307

165

89

44

12

27

11

e6.8

e4.2

e2.8

e2.5

e5.8

35

370

162

85

38

12

28

10

e6.8

e4.1

e2.8

e2.5

e6.4

38

481

176

75

36

12

29

9.8

e6.8

e4.0

e2.8

---

e7.2

42

589

185

78

37

12

30

e9.9

e6.6

e3.9

e2.8

---

e11

39

663

195

69

56

12

31

e9.9

---

e3.8

e2.8

---

e12

---

630

---

60

66

---

TOTAL

378.0

251.1

166.0

93.8

73.8

132.6

719

5,029

8,320

3,583

1,509

809

MEAN

12.2

8.37

5.35

3.03

2.64

4.28

24.0

162

277

116

48.7

27.0

MAX

17

9.9

6.6

3.7

2.8

12

42

663

658

189

71

46

MIN

9.1

6.6

3.8

2.8

2.5

2.5

12

23

162

60

36

12

AC-FT

750

498

329

186

146

263

1,430

9,980

16,500

7,110

2,990

1,600

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 2003, BY WATER YEAR (WY)
MEAN

14.9

9.60

5.76

3.58

3.36

4.31

16.2

127

243

95.3

55.1

30.0

MAX

20.9

12.1

6.82

4.68

4.36

6.51

24.0

162

399

133

111

61.8

(WY)

(1997)

(1997)

(1997)

(1997)

(1996)

(1997)

(2003)

(2003)

(1997)

(1997)

(1997)

(1997)

MIN

11.8

8.31

4.21

2.56

2.46

2.26

8.06

53.2

95.8

37.9

18.8

12.6

(WY)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

(2002)

SUMMARY STATISTICS
FOR 2002 CALENDAR YEAR
FOR 2003 WATER YEAR
WATER YEARS 1996 - 2003
ANNUAL TOTAL
7,914.3
21,064.3
ANNUAL MEAN
21.7
57.7
53.4
HIGHEST ANNUAL MEAN
77.0 1997
LOWEST ANNUAL MEAN
21.5 2002
HIGHEST DAILY MEAN
197 May 31
663 May 30
663 May 30, 2003
LOWEST DAILY MEAN
e2.0 Mar 3
e2.5 Feb 23
e2.0 Mar 3, 2002
ANNUAL SEVEN-DAY MINIMUM
e2.1 Mar 2
e2.5 Feb 23
e2.1 Mar 2, 2002
MAXIMUM PEAK FLOW
828 May 31
828 May 31, 2003
MAXIMUM PEAK STAGE
6.86 May 31
6.86 May 31, 2003
ANNUAL RUNOFF (AC-FT)
15,700
41,780
38,700
10 PERCENT EXCEEDS
59
180
161
50 PERCENT EXCEEDS
9.9
14
13
90 PERCENT EXCEEDS
2.3
2.8
2.9

e Estimated.


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U.S. Geological Survey
Water Resources of Colorado
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Last Modified: April 28, 2004