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Location : on left bank at Ban Sam Ruean.

1,119

sq.km.

WATER YEAR : 2012

PING RIVER BASIN

Khlong Khlung at Ban Sam Ruean , Kamphaeng Phet (P.78)

Lat 16 - 11 - 03 N Long 99 - 36 - 09 E

Amphoe

Khlong Khlung

Changwat

Kamphaeng Phet

Ban

Sam Ruean

Drainge Area

Staff gage

+65.177 m. (MSL.)

B.M.-H.D.

Near the gage site.

Elevation

5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.

Arithmetic mean of 5 readings

2005 to date

+73.494 m. (MSL.)

Rating Operation

Period of Available Gage Records

Bench Mark

Location BM

Basis of Mean Daily Gage Height

Gage Reading Frequency

Zero Gage at Bottom

Type of Gage

2005 to date

Fairly stable.

No overbank flow.

Records fair. Stage-discharge relation defined by 15 discharge measurements made in 2012.

Rated by Current Meter

Stability of Channel Regimes

Overbank Flow Conditions

General Description

Period of Rating

Rated by Flot

Date

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Annual

----------

-----------------

66.36

66.91

66.28

66.34

68.13

68.00

66.48

66.37

66.36

66.74

66.28

66.33

68.31

67.59

66.47

66.37

66.36

66.56

66.28

66.33

68.32

67.36

66.46

66.37

66.36

66.48

66.28

66.32

68.15

67.28

66.45

66.37

66.36

66.46

66.28

66.32

67.87

67.41

66.44

66.36

66.45

66.28

66.32

67.83

67.87

66.44

66.36

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013

66.36

66.44

66.28

66.31

70.27

68.72

66.43

66.36

66.43

66.28

66.31

71.50

68.42

66.43

66.36

66.42

66.28

66.31

71.28

68.65

66.42

66.36

66.41

66.36

66.31

70.58

70.03

66.42

66.36

66.40

66.36

66.30

69.85

68.97

66.41

66.36

66.39

66.36

66.30

69.11

68.28

66.41

66.65

66.36

66.38

66.35

66.30

68.85

67.66

66.40

68.79

66.36

66.37

66.35

66.30

68.75

67.43

66.40

68.43

66.36

66.39

66.30

68.98

67.49

66.39

67.84

66.36

66.35

66.37

66.29

69.87

67.20

66.39

67.18

66.36

66.34

66.37

66.29

69.13

66.97

66.38

66.81

66.36

66.34

66.36

66.29

68.52

66.88

66.38

66.59

66.36

66.33

66.36

66.29

68.13

66.80

66.38

66.50

66.36

66.33

66.35

66.29

67.67

66.75

66.37

66.46

66.36

66.32

66.35

66.29

67.67

66.70

66.37

66.45

66.36

66.32

66.35

66.29

68.46

66.66

66.37

66.44

66.36

66.31

66.35

66.29

67.61

66.62

66.36

66.43

66.36

66.31

66.40

66.29

67.61

66.58

66.55

66.42

66.36

66.30

66.39

67.37

66.56

66.44

66.41

66.36

66.30

66.38

66.58

67.41

66.54

66.42

66.40

66.36

66.38

66.29

66.37

66.98

67.12

66.53

66.41

66.39

66.36

66.57

66.29

66.40

67.48

66.95

66.52

66.40

66.38

66.36

66.98

66.28

66.38

67.52

66.91

66.51

66.39

66.37

66.36

67.25

66.28

66.41

67.51

66.88

66.50

66.38

66.37

66.36

67.14

66.35

67.42

66.49

66.37

66.36

----------

--------------

Mean

66.36

66.44

66.40

66.34

66.49

68.50

67.35

66.41

66.63

66.36

Max

66.36

67.25

66.91

66.41

67.52

71.50

70.03

66.55

68.79

66.36

71.50

Min

66.36

66.28

66.29

66.88

66.49

66.36

66.28

71.53

m. (MSL.) ,

65.18

m. (MSL.) ,

River Bed 66.14

m. (MSL.)

71.89

m. (MSL.) ,

71.94

m. (MSL.) ,

Drainage Area 1119 Square Kilometers

Left Bank Elevation

Right Bank Elevation

at 15.00 Hours , on Sep 8 , 2012

Annual Max Momentary Gage Height

Zero Gage at Bottom Elevation