Field

HadSST4000 nobs
Number of observations contributing to sea-surface temperature anomalies from the HadSST.4.0.0.0 data set
X axis: whole world in 72 5.00° steps, first point at 177.50° W, last point at 177.50° E
Y axis: regular grid with 36 5.00° steps, first point at 87.50° S, last point at 87.50° N

Monthly data available from Jan1850 to Jan2021 (2053 months)
Variable numobs (Number of observations contributing to sea water temperature anomaly) in 1
Full metadata.

Get grid points, average area or generate subset

Mask:	no mask mask4.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 nobs
Threshold:	no cut less than greater than 1 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

getfieldtype: please ask the administrator to add "numobs" to the lists in getfieldtype

Construct a statistical forecast model from this field

Contains public sector information licensed under the Open Government Licence v3.0. Please consult their website for further information. Please consider downloading this field from the authoritative site.
If you really want to get it here, HadSST4000 nobs is available as a netcdf file (size 3.26521 MB).

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