Field

CPC daily precipitation
CPC unified (gauge-based) precipitation
X axis: regular grid with 300 0.25° steps, first point at 129.88° W, last point at 55.12° W
Y axis: regular grid with 120 0.25° steps, first point at 20.12° N, last point at 49.88° N

1-daily data available from 01Jan1948 to 31Dec2023 ( 27816 times)
Variable prcp (precipitation in grid boxes with observations) 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 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 precipitation
Threshold:	no cut less than greater than mm/dy 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, CPC daily precipitation is available as a netcdf file (size 1082.13 MB).

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