MAIDUGURI

SPI

Classification

Number of Occurrence in 100 Years

SPI1

SPI3

SPI6

SPI12

2.00>

Extremely wet

2

4

2

0

1.50 to 1.99

Very wet

5

6

4

5

1.00 to 1.49

Moderately wet

8

3

11

11

0 to 0.99

Near Normal wet

29

27

32

38

0 to −0.99

Near Normal dry

40

44

36

32

(−1) to (−1.49)

Moderately dry

9

15

5

5

(−1.50) to (−1.99)

Severely dry

6

0

8

5

<−2.00

Extremely dry

1

1

2

4

GOMBE

SPI

Classification

Number of Occurrence in 100 Years

SPI1

SPI3

SPI6

SPI12

2.00>

Extremely wet

4

3

2

1