Table 3e. Precipitation for total year and growing season and percent of long-term mean (LTM) for Dickinson, ND weather data, (1970-1989).

Total Year
12 Months

Growing Season, Apr - Oct
7 Months

inches

mm

% of LTM

inches

mm

% of LTM

 

1970

20.16

512.06

125.79

17.90

454.66

131.95

1971

21.25

539.75

132.59

18.58

471.93

136.96

1972

20.76

527.30

129.53

18.57

471.68

136.89

1973

13.53

343.66

84.42

11.83

300.48

87.20

1974

14.15

359.41

88.29

12.45

316.23

91.77

1975

17.71

449.83

110.50

15.26

387.60

112.49

1976

12.68

322.07

79.12

10.84

275.34

79.91

1977

23.13

587.50

144.32

18.65

473.71

137.48

1978

17.63

447.80

110.00

15.17

385.32

111.82

1979

12.81

325.37

79.93

11.12

282.45

81.97

 

MEAN

17.38

441.48

108.45

15.04

381.94

110.84


inches

mm

% of LTM

inches

mm

% of LTM

 

1980

12.58

319.53

78.49

10.73

272.54

79.10

1981

15.76

400.30

98.33

14.27

362.46

105.19

1982

26.58

675.13

165.84

22.53

572.26

166.08

1983

12.59

319.79

78.55

10.18

258.57

75.04

1984

15.54

394.72

96.96

13.61

345.69

100.32

1985

16.98

431.29

105.95

14.63

371.60

107.84

1986

21.68

550.67

135.27

18.87

479.30

139.10

1987

15.92

404.37

99.33

13.06

331.72

96.27

1988

9.20

233.68

57.40

6.56

166.62

48.36

1989

12.78

324.61

79.74

10.74

272.80

79.17

 

MEAN

15.96

405.41

99.59

13.52

343.36

99.65