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Guinea Bissau - National rainfall index

1,223.0 (mm) in 2002

In 2002, rainfall index for Guinea Bissau was 1,223 mm. Though Guinea Bissau rainfall index fluctuated substantially in recent years, it tended to decrease through 1971 - 2002 period ending at 1,223 mm in 2002.

The description is composed by our digital data assistant.

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 Guinea Bissau rainfall index?

Date Value Change, %
2002 1,223.0 -22.35 %
1993 1,575.0 0.64 %
1989 1,565.0 16.27 %
1985 1,346.0 -1.82 %
1982 1,371.0 -11.72 %
1974 1,553.0 2.98 %
1971 1,508.0 -20.13 %
1964 1,888.0

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