SPI Index Range

Category

Kriging Interpolation Area (ha)

Spline Interpolation Area (ha)

−2.00 or less

Extremely dry

3530.75

3962.25

−1.50 to −1.99

Severely dry

1281

1786.75

−1.00 to −1.49

Moderately dry

2175.75

3007.75

−0.99 to 0.99

Near Normal

23,389

20,740.25

1.00 to 1.49

Moderately wet

82.5

352.25

1.50 to 1.99

Very wet

-

271

2.00 and above

Extremely wet

-

338.75