3.19 NUMBER OF DAYS PER YEAR WITH 1 MM OF RAIN OR MORE
Data ID
Description: Number of days per year with 1 mm of rain or more
Chapter: 3 Climate
File name: Number of days per year with 1 mm of rain or more
File type: ArcView shapefile
Geographical area: Namibia
Keywords: rainfall

days
Notes on data, analysis and This shapefile was created from the Arcview grid file.
compilation:

The original data for almost 300 stations came from the following report:

Namibia Resource Consultants. 1999. Rainfall distribution in Namibia: Data analysis and mapping of spatial, temporal,

and Southern Oscillation Index aspects. Windhoek: Ministry of Agriculture, Water and Rural Development.



The unsummarised daily rainfall data set was used to calculate average days per year with 1mm of rain or more
Data quality and organisation
Positional Accuracy: Created from a grid interpolated from points - accuracy will be reasonable in areas with clusters of stations and low in

areas with few stations
Vector/Raster: Vector
Spatial reference
Projection: Geographic
Fields
Field name Field description
DAYS Number of days per year with 1 mm of rain or more, in 9 classes

ranging from 5-10 to >45
VALUE Numerical rank of classes
Source/Distribution
Data Source: Namibia Resource Consultants. 1999. Rainfall distribution in Namibia: Data analysis and mapping of spatial, temporal,

and Southern Oscillation Index aspects. Windhoek: Ministry of Agriculture, Water and Rural Development.
Contact: Marina Coetzee
Online/Offline Address: Ministry of Agriculture, Water and Rural Development

Private Bag 13184

Windhoek
Distribution notes: Unrestricted