Field

NCEP/NCAR 2m temperature
mean daily NMC reanalysis (1948)
X axis: whole world in 192 1.88° steps, first point at 0.00° E, last point at 358.12° E
Y axis: Gaussian grid with 94 steps, first point at 88.54° N, last point at 88.54° S

1-daily data available from 01Jan1948 to 08Sep2022 ( 27336 times)
Variable air (mean Daily Air temperature at 2 m) in degK
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
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
Units:	convert to Celsius leave in degK

Create a field with lower time resolution

New time scale:	annual (Jul-Jun) annual (Jan-Dec) biannual seasonal monthly 10-daily 5-daily
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of 2m temperature
Threshold:	no cut less than greater than degK percentile normal 1971-2000
Minimum:	% valid data
First apply:	-day running mean
Missing data:	ignore, climatology, trend, persistence.

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Please consider downloading this field from the authoritative site.
If you really want to get it here, NCEP/NCAR 2m temperature is available as a netcdf file (size 894.872 MB).

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