Field

IMERG precipitation
GPM IMERG Final Precipitation L3 1 day 0.1 degree x 0.1 degree (GPM_3IMERGDF) averaged over 2x 2 grid boxes
X axis: whole world in 1800 0.20° steps, first point at 179.90° W, last point at 179.90° E
Y axis: regular grid with 900 0.20° steps, first point at 89.90° S, last point at 89.90° N

Monthly data available from Jun2000 to Apr2023 ( 275 months)
Variable precipitationCal (Daily accumulated precipitation (combined microwave-IR) estimate) in mm/dy
Full metadata.

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
Units:	convert to mm/day leave in mm/dy

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/dy 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, IMERG precipitation is available as a netcdf file (size 1016.11 MB).

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