Guernsey Water’s most recent Water Supply Report shows 575.4mm of rain fell in Guernsey during the 12 month period ending in March 2019 – 31.4% lower than the climatic mean.

57.9mm fell over 18 days in March, which is 5% lower than the monthly seasonal average of the past decade and 14% lower than the longer term climatic mean of 67mm. We saw the most rain for the month on or around Sunday 3 March, which accounted for 18.8% of the monthly total.

The total rainfall for 2019 so far is 40% lower than the average that has been recorded over the past decade and is the second lowest total over the last ten years.

Guernsey Water stats March 2019

Pictured: Guernsey’s rainfall in the 12 months up to the end of March 2019 was 31.4% lower than the climatic mean.

Although the volume of stored water is slightly below average at the moment, Guernsey Water said it is in a “healthy position”. It has increased by 1.3% since the end of February and now stands at 98.86%, with more water collected from streams.

There were no reported incidents of flooding throughout March and the utility has said land drainage is “not a serious issue” at this time.