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Table 4 Comparison of forecasting and percentage of mismatches with the reality

From: Opportunities and challenges of indigenous biotic weather forecasting among the Borena herders of southern Ethiopia

Year

Intestinal

Plant body language

Animal body language

Standardized precipitation anomalies

Counts of mach and mismatch in between different forecast

No. of replied

%

No. of replied

%

No. of replied

%

SPA value

Drought level

Mach/mismatch

Mach/mismatch

1985

51

26

23

12

19

9.5

0.42

Normal

*

***

1986

134

67

169

85

23

12

1.59

Normal

**

****

1987

74

37

58

29

93

47

1.01

Normal

*

***

1988

42

21

25

13

86

43

1.14

normal

**

****

1989

51

26

36

18

103

52

1.22

Normal

**

****

1990

51

26

39

20

27

14

0.35

Normal

*

***

1991

124

62

150

75

164

82

−1.2

Moderate

**

***

1992

123

62

168

84

170

85

0.23

Normal

**

****

1993

65

33

37

19

32

16

0.08

Normal

*

***

1994

119

60

33

17

186

93

−1.7

Extreme

**

****

1995

72

36

22

11

18

9

−0.8

Mild

**

***

1996

109

55

45

23

166

83

−0.3

Mild

**

****

1997

81

41

41

21

29

15

1.37

Normal

*

***

1998

63

32

33

17

102

51

−0.6

Normal

**

****

1999

52

26

26

13

24

12

−1.6

Moderate

**

***

2000

38

19

22

11

77

39

−1

Moderate

**

****

2001

158

79

173

87

83

42

−0.5

Mild

**

****

2002

53

27

15

7.5

100

50

−0.7

Mild

**

****

2003

8

4

11

5.5

11

5.5

−0.2

Mild

**

***

2004

121

61

50

25

150

75

0

Normal

**

****

2005

32

16

178

89

137

69

0.44

Normal

*

****

2006

103

52

24

12

176

88

1.2

Normal

**

****

2007

4

2

91

46

122

61

0.1

Normal

**

****

2008

114

57

0

0

0

0

−0.8

Mild

**

****

2009

13

6.5

0

0

0

0

−1.2

Moderate

**

***

2010

164

82

102

51

148

74

1.94

Normal

**

***

2011

123

62

164

82

112

56

0.47

Normal

**

****

2012

29

15

113

57

29

15

−0.9

Moderate

**

****

Counts of mismatch

22

17

Percentage of mismatch

78.5

60.7

  1. * Mach of forecast between traditional methods and instrumental records
  2. ** Mismatch of forecast between traditional methods and instrumental records
  3. *** Match of forecast within traditional methods
  4. **** Mismatch of forecast within traditional methods