Table 8 Extreme drought and wet events in the Eastern part/Gidabo catchment of Abaya Chamo sub basin.

From: Integrated assessment of meteorological, hydrological and agricultural drought in Abaya Chamo sub Basin, Ethiopia

Accumulation period

Drought event in Gidabo catchment

Wet event in Gidabo catchment

Number of dry months

Frequency (%)

Magnitude

Average intensity

Number of wet months

Frequency (%)

Magnitude

Average intensity

SPEI-1

85

17.7

− 123

− 1.4

87

17.7

126

1.4

SPEI-3

83

17.9

− 126

− 1.4

82

16.7

120

1.5

SPEI-6

75

15.2

− 114

− 1.5

75

15.2

112

1.5

SPEI-12

82

16.7

− 124

− 1.5

70

14.2

102

1.5

  1. Where N represents Number.
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