Rainfall

Namibia is a rather arid country. Furthermore the rainfall tends to vary a great deal from one year to the next. Please refer to the Climate/Rainfall part of the Digital Atlas of Namibia by clicking here. According to this the rainfall on Farm Kyffhäuser is between 150mm and 200mm per year and the variation in annual rainfall is between 50% and 60%.

The rainfall measurements for Farm Kyffhäuser are taken at the main house. Click here to see the measured annual rainfall for Farm Kyffhäuser since 1994. Click here to see the measured seasonal rainfall for Farm Kyffhäuser since 1993/94. Since Farm Kyffhäuser lies in a summer rainfall area, the seasonal rainfall is measured from July of a given year to June of the next year.

The average rainfall has indeed been found to be between 150mm and 200mm per annum. Four years with rainfall of less than 100mm per year have been recorded, i.e. 1994, 1996, 2004, and 2007. Only 36mm of rainfall was recorded in the 2012/13 season. This was the lowest seasonal rainfall since measurements started on the farm in 1994.

The highest recorded rainfall was 500mm for the 2008 calender year. Of this rainfall, a total of 375mm was recorded between January and May and a total of 125mm was measured in November and December.

Click here to see the measured seasonal rainfall for Farm Kyffhäuser since 1993/94 plotted against the El Niño SST (sea surface temperature) Anomaly. The El Niño SST Anomaly is the difference between the sea water surface temperature in the Pacific Ocean and the mean sea water surface temperature in the same area. When the SST Anomaly is greater or equal to 0.5°C it is referred to as an El Niño condition. When the SST Anomaly is less or equal to -0.5°C it is referred to as a La Niña condition. During El Niño conditions it can be seen that the rainfall is below average on Kyffhäuser and during La Niña conditions the rainfall on Kyffhäuser is above average.

The following two images show the predicted precipitation rates and cloud cover for Southern Africa for the next 24 hours courtesy of Kevin Levey of 1stweather.com and customweather.com.

Predicted precipitation rates
  Predicted cloud cover
Precipitation rate Position of Kyffhäuser
Cloud cover Position of Kyffhäuser
copyright customweather.com   copyright customweather.com
 

Weather related links

Namibia Weather Network
Namibrand weather data
Namib Desert Lodge (Solitaire) weather data
Kobus Botha weather photos
Ventusky - Southern Africa rainfall
WXMAPS.ORG - GFS medium range forecasts of precipitation for Africa
WXMAPS.ORG - 10-day precipitation outlook for Africa
yr.no (Norwegian weather service) - Kyffhäuser precipitation
yr.no (Norwegian weather service) - Zebra River precipitation
yr.no (Norwegian weather service) - Nudaus precipitation
yr.no (Norwegian weather service) - Neuras precipitation
yr.no (Norwegian weather service) - Haruchas precipitation
yr.no (Norwegian weather service) - Urikos precipitation
yr.no (Norwegian weather service) - Maltahöhe precipitation
El Niño/Southern Oscillation (ENSO) Technical Discussion (NCEI website)
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Last updated on 24 Jan 2017
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