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Chad - National rainfall index

648.2 (mm) in 2001

In 2001, rainfall index for Chad was 648.2 mm. Though Chad rainfall index fluctuated substantially in recent years, it tended to decrease through 1968 - 2001 period ending at 648.2 mm in 2001.

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What is rainfall index?

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

What is Chad rainfall index?

Date Value Change, %
2001 648.2 -5.57 %
1996 686.4 4.22 %
1992 658.6 16.92 %
1985 563.3 -20.04 %
1978 704.5 8.45 %
1976 649.6 -4.89 %
1968 683.0 -7.81 %
1967 740.9