2011 Pre 16 Jan 2011 -2.95 2.1 0.0309 70 Post 16 Jan 2011 until day 061 2011 -1.65 1.30 0.0309 70 Post 061 2011 -1.65 1.30 0.0289 70 ======================== 2013 Pre 073 2013 (14 March 2013) -1.65 1.30 0.0309 70 Post 073 2013 until 252 2013 (9 September) 2.35 1.30 0.0309 70 Post 252 2013 -0.75 1.30 0.0309 70 ======================== 2014 0.0 0.0 0.0309 70 * NB no longer checking against the met office data for the met sensors (new sensor installed 2014)