Minnesotans For Sustainability©

 

Sustainable:  A society that balances the environment, other life forms, and human interactions over an indefinite time period.

 

 

 

Earlier in the Year Snowmelt Runoff and Increasing Dewpoints for Rivers
            in Minnesota, Wisconsin and North Dakota

                        Patrick J. Neuman*

 

 

 

 

Average monthly dewpoint: Fargo,
North Dakota

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yr

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Ann

 

 

 

 

 

 

1 of 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 of 4

1948

-3.5

-0.8

12.7

35.5

40.8

52.9

60.6

57.8

49.6

34.3

25.1

6.7

31.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1949

-1.5

-3.6

17.8

32.5

42.8

53

60

57.7

39.9

36.1

27.7

5.5

30.9

 

 

 

 

 

 

 

 

Mov avgs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1950

15.5

-1.1

15.4

26.1

41.3

48.3

55.3

50.8

47.1

37

13.9

0.7

26.8

 

Mean Dewpoint (F)

 

 

 

   Annual

 

 

 

Mean Dewpoint (F)

 

 

 

 

 

 

 

 

 

 

1951

-5.2

9.3

10.9

31.8

40.9

49.7

56.7

55.9

45.3

35.9

16.1

1.2

29.1

 

 

 

 

 

 

10yr

 

 

5 yr

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1952

-4.7

12.8

15.8

34.9

37.8

52.9

57.1

55.2

45.4

24.5

21.7

14.4

30.7

 

 

 

 

 

 

 

 

1952

29.7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1953

5

10.6

21.5

27

41.6

56.7

58.1

59.8

44.3

38.8

24.8

10.3

33.3

 

 

 

 

 

 

 

 

1953

30.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1954

-9.5

21.5

17.6

28.2

35.6

53.2

59.7

56.4

47.7

35

25.1

15.5

32.2

 

10 yr dewpoint averages

 

 

1954

30.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1955

3.7

-0.1

10.8

36.2

42.2

54.3

64

58.6

44.2

32.8

11.3

-1.7

29.9

 

 

 

 

 

 

 

 

1955

31

 

 

 

 

10 year moving averages

 

 

10 year moving averages

 

1956

-0.3

-0.6

14.1

25.6

39.1

57

57.4

55.8

42.4

35.6

24.5

10.7

30.2

 

Jan

Feb

Mar

Apr

 

 

 

1956

31.3

 

May

 

Jun

 

Jul

 

Aug

 

Sep

 

Oct

 

Nov

 

Dec

 

1957

-4.5

6.8

19.2

30.1

39.1

52.3

63.5

57.5

47

38.3

24

13.6

32.4

1957

-3.6

5.48

15.6

30.8

1957

30.7

 

1957

31.6

1957

40.1

1957

53

1957

59.2

1957

56.55

1957

45.3

1957

34.8

1957

21.4

1957

7.69

 

1958

10.3

3

17.5

29.1

37.2

49.4

56.6

54.7

47.5

36.9

20.5

2.9

30.6

1958

-2.2

5.86

16.1

30.2

1958

30.6

 

1958

31.1

1958

39.8

1958

52.7

1958

58.8

1958

56.24

1958

45.1

1958

35.1

1958

21

1958

7.31

 

1959

-4.5

2.5

21.4

25.2

41.3

54.8