Field

GISS 250 T2m anom
GISTEMP Surface Temperature Analysis land 250km
X axis: whole world in 360 1.00° steps, first point at 179.50° W, last point at 179.50° E
Y axis: regular grid with 180 1.00° steps, first point at 89.50° S, last point at 89.50° N

Monthly data available from Jan1880 to Dec2024 (1740 months)
Variable tempanomaly (Temperature anomaly) in Celsius
Full metadata. The associated land/sea mask is available for some operations

Get grid points, average area or generate subset

Mask:	no mask   add a mask to the list
Latitude:	°N - °N
Longitude:	°E - °E
Year range:	-
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
Considering:	everything land points sea points show/hide more only land points only sea points not land points not sea points

Create a field with lower time resolution

First fill missing data:	ignore, climatology, trend, persistence.
Then apply:	-month running mean with direction backward centred forward
Then apply new time scale:	keep same 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 T2m anom
Minimum:	% valid data
Threshold:	no cut less than greater than Celsius percentile normal 1971-2000

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Construct a statistical forecast model from this field

Please consider downloading this field from the authoritative site.
If you really want to get it here, GISS 250 T2m anom is available as a netcdf file (size 28.2776 MB).

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