I said a few weeks ago that I would update my rolling Central England Temperature graphs once the CET for March 2013 was confirmed.
CET series used is the one published by the Met Office
http://www.metoffice..gov.uk/hadobs/.../download.html
The following graph has rolling CET's for the following time periods, with current values.
http://i393.photobucket.com/albums/p...TSince1969.png
1yr = Red = 9.017 °C
5yr = Green = 9.713 °C
10yr = Purple = 10.148 °C
20yr = Turquoise = 10.158 °C
30yr = Beige = 10.002 °C
50yr = Light Blue = 9.789 °C
100yr = Pink = 9.624 °C
The following graph has 10 yr rolling CET means by season, up to Feb 2013.
http://i393.photobucket.com/albums/p...o/Seasonal.png
Winter = Blue
Spring = Green
Summer = Red
Autumn = Brown