Impact of Large-Scale Climate Indices on Meteorological Drought of Coastal Ghana

Table 1

SPI classification.

SPI	Classification
2.00 or more	Extremely wet
1.50 to 1.99	Severely wet
1.00 to 1.49	Moderately wet
0 to 0.99	Mildly wet
0 to −0.99	Mild drought
−1.00 to −1.49	Moderate drought
−1.50 to −1.99	Severe drought
−2 or less	Extreme drought