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Observed trends Precipitation (tables)

Bold type indicates the significance of the trend at the 95% level.

      
Percentage change in total precipitation from 1914 to 2006 by season and region, based on a linear trend
Region SpringSummerAutumnWinter
Annual
South West England9.6–18.92.6–0.9–2.3
South East England4.7–15.39.3–6.2–2.1
London3.0–18.410.1–7.0–3.7
Wales12.8–24.09.10.5–0.9
East of England5.5–4.05.8–8.2–0.6
West Midlands5.4–17.24.7–6.0–3.8
East Midlands 8.8–5.85.0–9.7–0.9
Northern Ireland25.2–18.310.7–2.01.9
Yorkshire & Humber10.6–15.9–2.0–8.9–5.2
North West England15.7–21.63.5–0.5–2.4
North East England8.7–20.7–3.6–3.5–6.0
West Scotland26.1–8.718.710.110.3
East Scotland9.0–20.53.90.1–2.7
North Scotland18.0–12.117.121.911.4
 
Percentage change in total precipitation from 1961 to 2006 by season and region, based on a linear trend
Region SpringSummerAutumnWinter
Annual
South West England4.0–8.828.615.99.7
South East England–6.5–13.120.623.35.4
London–7.0–16.719.422.72.5
Wales8.4–5.622.327.013.6
East of England–1.74.921.617.79.3
West Midlands–1.4–5.229.810.97.6
East Midlands –4.62.628.711.08.1
Northern Ireland9.52.5–0.712.55.2
Yorkshire & Humber–0.3–1.110.224.37.1
North West England6.3–13.25.643.08.8
North East England4.6–6.912.429.68.7
West Scotland23.24.311.058.623.2
East Scotland14.3–3.628.035.918.7
North Scotland22.6–5.011.165.823.0