Table 3 The average number of station observations available for the month of May over sequential 20 year time periods

From: The Centennial Trends Greater Horn of Africa precipitation dataset

 

1900–1920

1921–1940

1941–1960

1961–1980

1981–1999

2000–2014

Tanzania CenTrend

13

76

125

209

162

64

GHCN

4

24

33

67

28

3

GSOD+GTS

     

2

Kenya CenTrend

26

43

62

146

127

62

GHCN

11

17

21

36

42

14

GSOD+GTS

     

6

Ethiopia CenTrend

4

6

9

112

176

164

GHCN

4

6

9

52

32

2

GSOD+GTS

     

2

Uganda CenTrend

13

22

55

67

42

8

GHCN

6

9

6

6

6

0

GSOD+GTS

     

0

Rwanda CenTrend

1

16

29

56

51

5

GHCN

0

1

2

0

1

0

GSOD+GTS

     

0

Burundi CenTrend

0

7

10

18

23

3

GHCN

0

1

2

1

2

0

GSOD+GTS

     

0

Eritrea CenTrend

2

4

8

6

2

0

GHCN

2

4

8

6

2

0

GSOD+GTS

     

0

Somalia CenTrend

4

25

21

20

10

0

GCHN

2

5

5

5

3

0

GSOD+GTS

     

0

  1. The first value in each cell indicates the average number of monthly CenTrends observations. The second value shows the number of GHCN monthly observations used in CenTrends. The third row for each country shows the number of GTS and GSOD stations used.
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