Looking at the overall results of the study, they indicate that the meteorological stations situated in the north and northeast of the province have recorded a decreasing trend in the amount of precipitation.
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Spatio-temporal characteristics of meteorological drought in Khyber Pakhtunkhwa, Pakistan.
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The sentences
The results of the Spearman’s Rho trend test indicated a highly significant negative (decreasing precipitation) trend in the north-eastern part of the province, in both the 1-month and 12-month SPEIs.
The results show a significant negative trend (decrease in precipitation and an increase in drought conditions) in the north-eastern part, and a positive trend (increase in precipitation and increase in wetting conditions) in the south-western part of the province, especially at the Parachinar met-station.
When Z S R > t ( n − 2 , 1 − α 2 ) , the alternative hypothesis is accepted, meaning there is a significant trend in the temporal data.