Regional rainfall

We rely on winter rain to fill both our reservoirs and, most importantly, the groundwater from which we draw 70% of our supplies.

The graph below shows recent rainfall levels compared with the long-term average.

Rainfall graph

Rainfall per month

Month Long term average Actual rainfall
November 2017 85.7 mm 45.3 mm
December 2017 81.2 mm 121.3 mm
January 2018 80.1 mm 84.2 mm
February 2018 53.4 mm 48.7 mm
March 2018 62 mm 121 mm
April 2018 51.8 mm 75.7 mm
May 2018 52.8 mm 52.6 mm
June 2018 53.0 mm 3.3 mm
July 2018 47.7 mm 33.9 mm
August 2018 56.3 mm 76.7 mm
September 2018 68.2 mm 37.5 mm
October 2018 79.9 mm 43.9 mm
November 2018 85.7 mm 133.7 mm