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Table of computed runoff by water-year for Alabama
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Region

Year

Runoff
(mm)

Runoff
(in)

Rank

Percentile

AL

1901

654.61

25.77

30

75.61

AL

1902

598.09

23.55

48

60.98

AL

1903

665.04

26.18

26

78.86

AL

1904

234.53

9.23

122

0.81

AL

1905

414.57

16.32

96

21.95

AL

1906

552.45

21.75

61

50.41

AL

1907

557.45

21.95

58

52.85

AL

1908

577.65

22.74

55

55.28

AL

1909

655.24

25.80

29

76.42

AL

1910

358.60

14.12

107

13.01

AL

1911

337.18

13.27

111

9.76

AL

1912

752.85

29.64

12

90.24

AL

1913

596.21

23.47

49

60.16

AL

1914

276.25

10.88

119

3.25

AL

1915

472.31

18.59

84

31.71

AL

1916

650.22

25.60

31

74.80

AL

1917

635.99

25.04

36

70.73

AL

1918

391.15

15.40

101

17.89

AL

1919

706.00

27.80

20

83.74

AL

1920

892.67

35.14

1

99.19

AL

1921

550.47

21.67

62

49.59

AL

1922

689.76

27.16

21

82.93

AL

1923

619.80

24.40

39

68.29

AL

1924

529.37

20.84

66

46.34

AL

1925

348.32

13.71

109

11.38

AL

1926

438.68

17.27

92

25.20

AL

1927

494.20

19.46

77

37.40

AL

1928

580.06

22.84

53

56.91

AL

1929

681.94

26.85

23

81.30

AL

1930

563.24

22.17

57

53.66

AL

1931

323.49

12.74

114

7.32

AL

1932

529.87

20.86

65

47.15

AL

1933

728.52

28.68

13

89.43

AL

1934

325.40

12.81

113

8.13

AL

1935

492.52

19.39

78

36.59

AL

1936

607.95

23.93

45

63.41

AL

1937

578.88

22.79

54

56.10

AL

1938

528.32

20.80

67

45.53

AL

1939

557.11

21.93

59

52.03

AL

1940

459.50

18.09

88

28.46

AL

1941

307.47

12.11

115

6.50

AL

1942

411.82

16.21

97

21.14

AL

1943

505.64

19.91

70

43.09

AL

1944

604.12

23.78

47

61.79

AL

1945

454.81

17.91

89

27.64

AL

1946

755.26

29.73

11

91.06

AL

1947

630.73

24.83

37

69.92

AL

1948

604.39

23.79

46

62.60

AL

1949

868.59

34.20

2

98.37

AL

1950

515.04

20.28

69

43.90

AL

1951

476.40

18.76

81

34.15

AL

1952

464.77

18.30

86

30.08

AL

1953

503.89

19.84

73

40.65

AL

1954

366.63

14.43

106

13.82

AL

1955

375.77

14.79

104

15.45

AL

1956

381.28

15.01

102

17.07

AL

1957

472.45

18.60

83

32.52

AL

1958

595.88

23.46

50

59.35

AL

1959

429.89

16.92

94

23.58

AL

1960

541.69

21.33

64

47.97

AL

1961

658.34

25.92

28

77.24

AL

1962

672.52

26.48

25

79.67

AL

1963

402.31

15.84

99

19.51

AL

1964

648.37

25.53

33

73.17

AL

1965

542.67

21.36

63

48.78

AL

1966

467.69

18.41

85

30.89

AL

1967

402.32

15.84

98

20.33

AL

1968

505.31

19.89

71

42.28

AL

1969

425.93

16.77

95

22.76

AL

1970

475.24

18.71

82

33.33

AL

1971

608.59

23.96

44

64.23

AL

1972

516.05

20.32

68

44.72

AL

1973

815.83

32.12

3

97.56

AL

1974

673.06

26.50

24

80.49

AL

1975

808.86

31.84

5

95.93

AL

1976

713.52

28.09

18

85.37

AL

1977

572.69

22.55

56

54.47

AL

1978

619.32

24.38

40

67.48

AL

1979

719.80

28.34

15

87.80

AL

1980

785.48

30.92

9

92.68

AL

1981

332.12

13.08

112

8.94

AL

1982

502.16

19.77

75

39.02

AL

1983

789.66

31.09

8

93.50

AL

1984

650.09

25.59

32

73.98

AL

1985

377.41

14.86

103

16.26

AL

1986

291.75

11.49

117

4.88

AL

1987

495.40

19.50

76

38.21

AL

1988

283.43

11.16

118

4.07

AL

1989

642.39

25.29

34

72.36

AL

1990

797.43

31.39

6

95.12

AL

1991

658.41

25.92

27

78.05

AL

1992

445.75

17.55

91

26.02

AL

1993

622.74

24.52

38

69.11

AL

1994

585.95

23.07

52

57.72

AL

1995

503.67

19.83

74

39.84

AL

1996

724.83

28.54

14

88.62

AL

1997

641.94

25.27

35

71.54

AL

1998

715.91

28.19

17

86.18

AL

1999

454.35

17.89

90

26.83

AL

2000

259.31

10.21

120

2.44

AL

2001

505.28

19.89

72

41.46

AL

2002

397.16

15.64

100

18.70

AL

2003

812.03

31.97

4

96.75

AL

2004

462.83

18.22

87

29.27

AL

2005

719.69

28.33

16

86.99

AL

2006

352.79

13.89

108

12.20

AL

2007

255.11

10.04

121

1.63

AL

2008

293.46

11.55

116

5.69

AL

2009

586.20

23.08

51

58.54

AL

2010

761.84

29.99

10

91.87

AL

2011

368.42

14.50

105

14.63

AL

2012

346.16

13.63

110

10.57

AL

2013

617.66

24.32

41

66.67

AL

2014

555.27

21.86

60

51.22

AL

2015

437.05

17.21

93

24.39

AL

2016

608.97

23.98

42

65.85

AL

2017

487.75

19.20

80

34.96

AL

2018

491.57

19.35

79

35.77

AL

2019

708.06

27.88

19

84.55

AL

2020

794.43

31.28

7

94.31

AL

2021

686.46

27.03

22

82.11

AL

2022

608.81

23.97

43

65.04

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Page Last Modified: Thursday, March 30, 2023