Accuracy Evaluation of Standardized Precipitation Index (SPI) Estimation under Conventional Assumption in Yeşilırmak, Kızılırmak, and Konya Closed Basins, Turkey

Table 5

Areal percentage of the best fit distributions given in Figure 3.

Probability distribution	Area for SPI 3 (%)	Area for SPI 12 (%)
Weibull	68.42	23.68
P-3	18.42	5.26
LOG	0	18.42
LN-3	2.63	13.16
GAM	2.63	10.53
GEV	5.26	5.26
NORM	0	10.53
GLOG	0	5.26
LN-2	2.63	5.26
EV1	0	2.63