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CPC .25x.25 Daily US UNIFIED Precipitation
Entry ID: noaa_cdc053

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Abstract: Dataset is derived from 3 sources: NCDC daily co-op stations
(1948-...), CPC dataset (River Forecast Centers data + 1st order
stations - 1992-...), and daily accumulations from hourly
precipitation dataset (1948-...). There are about 13000 station
reports each day for 1992-..., and about 8000 reports before that
yielding about 3x the reports of any existing historic ... View entire text

Purpose: Scientific research.
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Geographic Coverage
Spatial coordinates   
  N: 60.0   S: 20.0   E: -60.0   W: -140.0

Data Set Citation
Dataset Originator/Creator: NOAA-CIRES Climate Diagnostics Center
Dataset Title: CPC .25x.25 Daily US UNIFIED Precipitation
Dataset Release Place: Boulder, CO
Dataset Publisher: NOAA-CIRES Climate Diagnostics Center
Online Resource:
Temporal Coverage
Start Date: 1948-01-01
Stop Date: 1998-12-31
Data Resolution
Latitude Resolution: 0.25 degree
Longitude Resolution: 0.25 degree
Access Constraints None.
Use Constraints None. Acknowledgement of CDC would appreciated in products derived
from these data.
Data Set Progress
Email: at
Higgins, et al., R. W., 2000: Improved US Precipitation Quality
Control System and Analysis. NCEP/Climate Prediction Center ATLAS
No. 6 (in preparation). Available on-line: .

Higgins, R. W., J. E. Janowiak, and Y.-P. Yao, 1996: A gridded hourly
precipitation data base for the United States
(1963-1993). NCEP/Climate Prediction Center Atlas 1, national Centers
for Environmental Prediction, 46pp.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2002-03-25
Last DIF Revision Date: 2017-08-23