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Table of computed runoff by water-year for Tennessee
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Region

Year

Runoff
(mm)

Runoff
(in)

Rank

Percentile

TN

1901

667.84

26.29

31

75.00

TN

1902

599.56

23.60

49

60.48

TN

1903

663.92

26.14

33

73.39

TN

1904

310.63

12.23

117

5.65

TN

1905

425.97

16.77

104

16.13

TN

1906

520.26

20.48

71

42.74

TN

1907

644.47

25.37

39

68.55

TN

1908

557.15

21.94

64

48.39

TN

1909

689.96

27.16

24

80.65

TN

1910

450.87

17.75

98

20.97

TN

1911

493.47

19.43

86

30.65

TN

1912

730.40

28.76

16

87.10

TN

1913

592.35

23.32

53

57.26

TN

1914

323.21

12.72

115

7.26

TN

1915

513.24

20.21

77

37.90

TN

1916

732.96

28.86

15

87.90

TN

1917

705.02

27.76

21

83.06

TN

1918

471.32

18.56

95

23.39

TN

1919

598.34

23.56

50

59.68

TN

1920

844.31

33.24

4

96.77

TN

1921

517.23

20.36

73

41.13

TN

1922

718.05

28.27

19

84.68

TN

1923

696.81

27.43

23

81.45

TN

1924

569.07

22.40

60

51.61

TN

1925

319.59

12.58

116

6.45

TN

1926

432.10

17.01

102

17.74

TN

1927

794.96

31.30

11

91.13

TN

1928

660.93

26.02

35

71.77

TN

1929

652.86

25.70

37

70.16

TN

1930

488.39

19.23

89

28.23

TN

1931

275.54

10.85

122

1.61

TN

1932

618.06

24.33

47

62.10

TN

1933

687.42

27.06

25

79.84

TN

1934

390.78

15.38

106

14.52

TN

1935

553.12

21.78

66

46.77

TN

1936

445.45

17.54

99

20.16

TN

1937

618.40

24.35

46

62.90

TN

1938

501.31

19.74

83

33.06

TN

1939

573.96

22.60

59

52.42

TN

1940

330.34

13.01

113

8.87

TN

1941

234.09

9.22

123

0.81

TN

1942

340.49

13.40

112

9.68

TN

1943

494.75

19.48

85

31.45

TN

1944

504.21

19.85

81

34.68

TN

1945

589.99

23.23

54

56.45

TN

1946

663.37

26.12

34

72.58

TN

1947

489.63

19.28

88

29.03

TN

1948

498.09

19.61

84

32.26

TN

1949

719.16

28.31

18

85.48

TN

1950

822.37

32.38

7

94.35

TN

1951

631.04

24.84

42

66.13

TN

1952

621.53

24.47

45

63.71

TN

1953

490.40

19.31

87

29.84

TN

1954

374.63

14.75

110

11.29

TN

1955

506.31

19.93

79

36.29

TN

1956

501.88

19.76

82

33.87

TN

1957

596.71

23.49

52

58.06

TN

1958

682.71

26.88

28

77.42

TN

1959

378.67

14.91

109

12.10

TN

1960

505.93

19.92

80

35.48

TN

1961

520.85

20.51

70

43.55

TN

1962

723.13

28.47

17

86.29

TN

1963

442.69

17.43

100

19.35

TN

1964

485.31

19.11

91

26.61

TN

1965

597.88

23.54

51

58.87

TN

1966

344.88

13.58

111

10.48

TN

1967

535.35

21.08

68

45.16

TN

1968

559.57

22.03

62

50.00

TN

1969

427.02

16.81

103

16.94

TN

1970

517.71

20.38

72

41.94

TN

1971

511.27

20.13

78

37.10

TN

1972

557.91

21.96

63

49.19

TN

1973

954.47

37.58

1

99.19

TN

1974

833.05

32.80

5

95.97

TN

1975

795.36

31.31

10

91.94

TN

1976

554.00

21.81

65

47.58

TN

1977

480.01

18.90

93

25.00

TN

1978

627.84

24.72

43

65.32

TN

1979

806.16

31.74

9

92.74

TN

1980

667.53

26.28

32

74.19

TN

1981

308.15

12.13

119

4.03

TN

1982

515.16

20.28

76

38.71

TN

1983

708.47

27.89

20

83.87

TN

1984

655.62

25.81

36

70.97

TN

1985

441.04

17.36

101

18.55

TN

1986

296.23

11.66

120

3.23

TN

1987

457.87

18.03

97

21.77

TN

1988

309.68

12.19

118

4.84

TN

1989

828.09

32.60

6

95.16

TN

1990

676.20

26.62

29

76.61

TN

1991

786.31

30.96

13

89.52

TN

1992

541.42

21.32

67

45.97

TN

1993

528.85

20.82

69

44.35

TN

1994

791.13

31.15

12

90.32

TN

1995

479.33

18.87

94

24.19

TN

1996

617.19

24.30

48

61.29

TN

1997

780.95

30.75

14

88.71

TN

1998

638.40

25.13

41

66.94

TN

1999

487.60

19.20

90

27.42

TN

2000

324.69

12.78

114

8.06

TN

2001

379.79

14.95

107

13.71

TN

2002

624.84

24.60

44

64.52

TN

2003

815.60

32.11

8

93.55

TN

2004

586.24

23.08

55

55.65

TN

2005

649.62

25.58

38

69.35

TN

2006

379.14

14.93

108

12.90

TN

2007

289.47

11.40

121

2.42

TN

2008

400.92

15.78

105

15.32

TN

2009

561.88

22.12

61

50.81

TN

2010

685.91

27.00

27

78.23

TN

2011

574.47

22.62

58

53.23

TN

2012

484.03

19.06

92

25.81

TN

2013

700.06

27.56

22

82.26

TN

2014

516.45

20.33

74

40.32

TN

2015

576.22

22.69

57

54.03

TN

2016

581.90

22.91

56

54.84

TN

2017

462.55

18.21

96

22.58

TN

2018

686.07

27.01

26

79.03

TN

2019

897.73

35.34

2

98.39

TN

2020

881.00

34.69

3

97.58

TN

2021

674.29

26.55

30

75.81

TN

2022

638.51

25.14

40

67.74

TN

2023

515.37

20.29

75

39.52

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