Summary for December 2015
Rainfall totals for December were above average across England at 165% of the long term average. For a second consecutive month north-east and north-west England had exceptionally high rainfall totals for the time of year.
Soil moisture deficits again decreased across much of England in December.
Monthly mean river flows increased at all indicator sites again in December. River flows were classed as normal for the time of year at nearly two-thirds of sites but sites in north-east and north-west England were classed as exceptionally high for the time of year in response to significant rainfall events during December.
Groundwater levels increased at approximately two-thirds of indicator sites during December and two-thirds of sites were classed as normal or higher for the time of year.
Reservoir stocks increased at nine-tenths of the reported reservoirs and reservoir groups during December. Stocks were classed as normal or higher for the time of year at more than three-quarters of reservoirs and reservoir groups. Overall reservoir storage for England increased to 93% of total capacity.