Field

CHIRPS precipitation
CHIRPS Version 2.0
X axis: whole world in 1440 0.25° steps, first point at 179.88° W, last point at 179.88° E
Y axis: regular grid with 400 0.25° steps, first point at 49.88° S, last point at 49.88° N

Monthly data available from Jan1981 to Jan2023 ( 505 months)
Variable precip (Climate Hazards group InfraRed Precipitation with Stations) in mm/month
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
Units:	convert to mm/day leave in mm/month

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 precipitation
Threshold:	no cut less than greater than mm/month 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

Please consider downloading this field from the authoritative site.
If you really want to get it here, CHIRPS precipitation is available as a netcdf file (size 277.091 MB).

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