Table 12 The soil moisture deficit and logging period of northern/Bilate catchment and Southwestern region/Lakes catchment in Abaya Chamo sub basin for the period from 1982 to 2021.

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

Severity

Bilate catchment

Lakes catchment

SSMI_1

SSMI_3

SSMI_1

SSMI_3

Nm

%

Nm

%

Nm

%

Nm

%

Extremely deficit soil moisture

9

1.8

4

0.8

8

1.6

4

0.8

Severely deficit soil moisture

92

19.1

98

20.4

95

19.7

98

20.4

Moderately deficit soil moisture

64

13.3

57

11.8

70

14.5

69

14.3

Normal soil moisture

158

32.9

164

34.1

150

31.2

146

30.4

Moderately logged soil moisture

74

15.4

86

17.9

69

14.3

73

15.2

Highly logged soil moisture

81

16.8

62

12.9

82

17.0

86

17.9

Excessive soil moisture

2

0.4

7

1.4

6

1.2

2

0.4

  1. Nm represents Number of months observed with deficit or logged water content of soil moisture.