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Rainfall Estimate Differences
Rainfall Percentages

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Rainfall Estimate Percentages

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Map Description
The map above displays the most recent dekadal rainfall estimates expressed as a percentage of the short-term average (from 2000 to last recent complete year) rainfall. Values greater (less) than 100% therefore indicate dekadal estimates that are above (below) the short-term average rainfall. Rainfall percentages in areas where the average accumulation is less than 7 mm are not shown in the analysis. Rainfall estimates expressed as differences from the short-term average can be seen on the Rainfall Estimate Differences (RED) map page.
Dataset Documentation
Rainfall Estimates
Data:  Dekadal precipitation on a 0.1 x 0.1 deg. lat/lon grid
Data Source:  Climate Prediction Center/Famine Early Warning System (CPC/FEWS RFE2.0)*

Rainfall Estimate Short-Term Average
Data: Dekadal precipitation on a 0.1 x 0.1 deg. lat/lon grid
Base Period: 1 Jan 2000 to 31 Dec of last year
Data Source: Climate Prediction Center/Famine Early Warning System (CPC/FEWS RFE2.0)*

Epidemiological Mask
Data:  Mask illustrating areas where malaria is considered to be epidemic. Areas where malaria transmission is considered absent or endemic are therefore excluded. This mask is based purely on climatic constraints to malaria transmission, and does not yet account for areas in the northern and southern margins of the continent where control has eliminated malaria risk.
Reference:  WHO: Final report on the 3rd meeting of the RBM Technical Resource Network on Epidemic Prevention and Control. Geneva: World Health Organization; 2002.

*More dekadal and daily data from FEWS is available from the Africa Data Dissemination Service.

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