Field

ICOADS v2.5 nobs cloudcover
ICOADS 2-degree Enhanced
X axis: whole world in 180 2.00° steps, first point at 1.00° E, last point at 359.00° E
Y axis: regular grid with 90 -2.00° steps, first point at 89.00° N, last point at 89.00° S

Monthly data available from Jan1800 to Aug2021 (2660 months)
Variable cldc (Cloudiness Monthly Number of Observations at Surface) in observations
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 cloudcover
Threshold:	no cut less than greater than observations 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 "cldc" to the lists in getfieldtype

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, ICOADS v2.5 nobs cloudcover is available as a netcdf file (size 8.55904 MB).

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