Looking Back On Our Weather Patterns – DECEMBER 2018
Bury St.Edmunds River Linnet Rainfall
Location – 1 mile west of Town Centre.
Height above MSL 46 metres
Grid Reference TL 836638
█ Month’s Total Rainfall 55.7mm
█ Very close to 1961-1990 Regional Average
█ 13 days with more than 1mm – 2 days more than average
█ 17 days with significant rainfall of 0.2mm or more
█ Wettest 24hrs – only 10.2mm from 0900hrs on the 15th
An unsettled start to the month with 22mm falling in the first eight days then turning quite sunny to the 12th. Market Day of the 15th had over six hours of continuous rain from mid-afternoon and was the month’s wettest day. 17mm fell over the four days up to the evening of the 23rd and then turned dry with a frost on Christmas morning.
With high-pressured anticyclonic weather setting in the day after and dominated by mainly SW’ly winds, the month ended mild and dry with only 0.5mm of rain falling before dawn on the 29th. This quite unusual dry period from Christmas Eve to the 31st last occurred 10 years ago in 2008 but that end to the year was cold and frosty.
As for the year as a whole, the total of 517mm was 84mm or 3.3 inches below average – from 108 days with more than 1mm – average is 114 days. The previous notably drier years back to 1993 were only 2011 and 1997.
Over the same 26 years, a record is that 2018’s greatest downpour in one day over the whole year was only 21.8mm – less than one inch – on August 9th.
The previous 6 years wettest days were
2017 58.6mm 27th June
2016 39.8mm 30th May
2015 44.7mm 24th July
2014 37.6mm 8th August
2013 23.9mm 16th August and
2012 28.2mm 2nd May.