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NCEP/EMC U.S. Gage Only Daily Precipitation Data

Summary

The Environmental Modeling Center (EMC), a component of the National Centers for Environmental Prediction (NCEP) acquires gage-based precipitation reports in near real-time from several thousand sites across the contiguous 48 states of the USA. There are approximately 5,800 daily rain gage reports per day out of a total available set of 9,000. These daily precipitation reports are collected by the 12 River Forecast Centers (RFC) and sent to NCEP. This dataset contains the NCEP Daily Precipitation Gage Data. This dataset is provided as is and was not quality controlled by NCAR/EOL (formerly UCAR/JOSS).

Data access

ORDER data to made available for download

Additional information

Identifier	DOI: https://doi.org/10.26023/Z8AQ-DBT0-4010
Data Quality	final
Versions	1.0 (2011-08-11)
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Related projects	GCIP/ESOP-96: GCIP Large Scale Area-South West ESOP-96 BAMEX: Bow Echo and Mesoscale Convective Vortex Experiment 2003 T-REX: Terrain-induced Rotor Experiment CFACT: Cold Fog Amongst Complex Terrain GCIP/ESOP-97: GCIP Large Scale Area-North Central ESOP-97 LIFT_2024: Low-level Internal Flow of Tornadoes 2024 VORTEX-SE_2017: Verification of the Origins of Rotation in Tornadoes EXperiment-Southeast (VORTEX-SE) 2017 Field Campaign PERiLS_2022: Propagation, Evolution and Rotation in Linear Storms 2022 S2noCliME: Snow Sensitivity to Clouds in a Mountain Environment PLOWS: Profiling of Winter Storms CuPIDO: Cumulus Photogrammetric, In-Situ and Doppler Observations SAVANT: Stable Air Variability and Transport LPB: La Plata River Basin PERiLS_2023: Propagation, Evolution and Rotation in Linear Storms 2023 VORTEX2: Verification of the Origins of Rotation in Tornadoes Experiment 2 GCIP/ESOP-98: GCIP Large Scale Area-North Central ESOP-98 GCIP/NESOB-96: ARM/GCIP Near-Surface Observation Data Set - 1996 IDEAL: Instabilities, Dynamics and Energetics accompanying Atmospheric Layering TORUS-LItE: Targeted Observation by Radars and UAS of Supercells - Left-flank Intensive Experiment CHEESEHEAD: Chequamegon Heterogeneous Ecosystem Energy-balance Study Enabled by a High-density Extensive Array of Detectors CG_WaveS: Convective Gravity Waves in the Stratosphere GCIP/EAOP-99: GCIP Large Scale Area-East EAOP-99 GCIP/LSA-NW-00: GCIP Large Scale Area-North West EAOP-00 IHOP_2002: International H2O Project 2002 WINTRE-MIX: Winter Precipitation Type Research Multi-scale Experiment ICICLE: In-Cloud Icing and Large-Drop Experiment BACS: BioAerosols and Convective Storms NAME: North American Monsoon Experiment PECAN: Plains Elevated Convection at Night VORTEX-SE_2016: Verification of the Origins of Rotation in Tornadoes EXperiment-Southeast (VORTEX-SE) 2016 Field Campaign DELTA: Detecting and Evaluating Low-level Tornado Attributes TORUS_2022: Targeted Observation by Radars and UAS of Supercells 2022 M2HATS: Multi-point Monin-Obukhov Similarity Horizontal Array Turbulence Study Operational: Operational Datasets GCIP/EAOP-98: GCIP Large Scale Area-East EAOP-98 MATERHORN-X: Mountain Terrain Atmospheric Modeling and Observations TORUS_2019: Targeted Observation by Radars and UAS of Supercells 2019 GCIP/LSA-NW-99: GCIP Large Scale Area-North West EAOP-99 Meso18-19: Verification of the Origins of Rotation in Tornadoes EXperiment-Southeast (VORTEX-SE) Meso18-19 DC3: Deep Convective Clouds & Chemistry Project GCIP/EOP: GCIP Enhanced Observing Period VORTEX-SE_2018: The Verification of the Origins of Rotation in Tornadoes Experiment Southeast (VORTEX-SE) 2018 Field campaign MPEX: Mesoscale Predictability Experiment SAS: The Southeast Atmosphere Study GCIP/NESOB-97: ARM/GCIP Near-Surface Observation Data Set - 1997 SNOWIE: Seeded and Natural Orographic Wintertime clouds - the Idaho Experiment OWLeS: Ontario Winter Lake-effect Systems
Spatial Type	point
Frequency	daily
Language	English
Categories	Land Based Precipitation Surface
Platforms	Weather Stations
Instruments	Rain Gauges
GCMD Science Keywords	24 HOUR PRECIPITATION AMOUNT Expand keywords
Documentation	katz_gage_readme.txt [7 KiB] katz_missing_data.txt [13 KiB]
Related links	companion: 21.009: NCEP/EMC U.S. Precipitation Ancillary Station List

Temporal coverage

Begin datetime	1995-01-11 00:00:00
End datetime	9999-12-31 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 49.00, Minimum (South) Latitude: 25.00
Minimum (West) Longitude: -125.00, Maximum (East) Longitude: -67.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

originator: Sidney Katz <sid.katz@noaa.gov>
author: Jun Du <jun.du@noaa.gov>

Citation

Du, J. 2011. NCEP/EMC U.S. Gage Only Daily Precipitation Data. Version 1.0. NSF NCAR Earth Observing Laboratory. https://doi.org/10.26023/Z8AQ-DBT0-4010. Accessed 20 Apr 2026.

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