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Saudi Arabia - National Rainfall Index (NRI)

128.6 (mm/yr) in 2002

An indicator, developed by FAO, which represents the quality of the crop growing season. The NRI yearly results take into consideration the precipitation that year, the average precipitation over the period 1986-2000, the seasonality of the main crop-growing season (distinguishing between northern and southern hemispheres), and what areas of the country are wetter. The median of each five year period is provided. Note: due to methodological differences, this variable is not comparable to average precipitation

Date Value Change, %
2002 128.6 -20.81%
1997 162.4 -7.46%
1992 175.5 -7.53%
1987 189.8 -1.25%
1982 192.2 7.37%
1977 179.0 13.43%
1972 157.8 -12.09%
1967 179.5

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