Field

HadEX2 TNn
HadEX2 analysis
X axis: whole world in 96 3.75° steps, first point at 0.00° E, last point at 356.25° E
Y axis: regular grid with 73 2.50° steps, first point at 90.00° S, last point at 90.00° N

Monthly data available from Jan1901 to Dec2010 (1320 months)
Variable TNn (TNn) in Celsius
Full metadata.

Get grid points, average area or generate subset

Mask:	no mask mask15.txt   add a mask to the list
Latitude:	°N - °N
Longitude:	°E - °E
Boundaries:	halfway grid points interpolated
Make:	average max min set of grid points subset of the field
Demand at least:	% valid points in this region

Create a field with lower time resolution

New time scale:	annual (Jul-Jun) annual (Jan-Dec) biannual seasonal
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of TNn
Threshold:	no cut less than greater than Celsius percentile normal 1971-2000
Minimum:	% valid data
First apply:	-month running mean
Missing data:	ignore, climatology, trend, persistence.

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Construct a statistical forecast model from this field

(c) Crown copyright 2006, data supplied by the Met Office. The UKMO license does not allow us to redistribute this file. Please consult their website for further information.