Climate Analysis

Our brief was to identify how the wine grape growing season climate in south east and south central England has changed compared to a 1961-1990 average.

Using monthly average temperature data (interpolated) from weather stations across the south east and south central England, and monthly total precipitation volumes, the April-October average growing season temperature and total precipitation volume was calculated for all years from 1961.

1961-1990 average, and subsequent years growing season conditions, were calculated from the data. When the results for the subsequent years were presented as anomalies against the 1961-1990 period the changes and variability in growing season temperature and precipitation could be seen.

All years between 1993 and 2013 had warmer average growing season temperatures than the 1961-1990 period, indicating that climate change was making south east and south central England warmer during the wine grape growing season.

However there was also an apparent large degree of inter-annual variability indicating a lack of consistent, and potentially suitable, average growing season temperatures. 

Precipitation results showed a range of inter-annual variability across the 1961-1990 average with less clarity of trend direction.

This suggests little apparent change in overall growing season precipitation inter-annual variability.

These results form part of a much larger study of climate change and viticulture in the UK that will be published in 2015.

Project Data
Date Location Status
2014-2015 UK Wide Ongoing
 
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