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Algeria - National Rainfall Index (NRI)

241.5 (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 241.5 -6.72%
1997 258.9 -14.36%
1992 302.3 4.86%
1987 288.3 -11.48%
1982 325.7 12.39%
1977 289.8 -7.09%
1972 311.9 8.00%
1967 288.8

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