Three-month and Annual Rainfall Variability Maps

 

January-March

January to March

 July-September

July to September
February-April

February to April

 August-October

August to October
March-May

March to May

 September-November

September to November
April-June

April to June

 October-December

October to December
May-July

May to July

 November-January

November to January
June-August

June to August

 December-February

December to February
 
Annual variability

Annual variability

  
 
These rainfall variability maps are all based on 97 years worth of rainfall data. The three-month periods used in the calculations all start in the years 1900 to 1996.