Get/View Online Climate Data
and Weather Observations

Surface Data : Graphs/Maps | Radar | Hourly | Daily | Monthly | Modeled

Upper Air Data

Marine Data

Paleoclimate data (World Data Center for Paleoclimatology)

Important Notes (pertaining to the items above)


NNDC Climate Data Online (full time series, user-driven data selection)


Most Popular Data & Products (popular online & offline products)


Find a U.S. Station or Location (numerous search methods)


NCDC International Hazard Support Capabilities


NCDC Data/Product Selection Matrix (quick view of products)


NCDC Digital Datasets (review and links for key datasets)


Climatology & Extreme Events


Data & Products by Category (such as temperature or agriculture)


Utility Software (decompression software, etc)


Conversion Charts (units conversions, etc)

Items below marked with are recent additions, are the most popular.

Climatology & Extreme Events

Extreme Weather and Climate Events

Maps, tables, reports...US/global historical extremes, severe weather, recent events, etc

U.S. Climatological Averages and Normals

Long-term monthly averages/normals for over 270 U.S. cities

U.S. Storm Events Database

1950 - present, local storm reports, damage reports, etc from various sources

Climate Maps of the United States

Over 700 maps of climate normals

U.S. Climate Normals

The new US climatological normals

Climate Monitoring

Numerous maps and graphs depicting climate trends, etc

Products and Publications

Numerous climatological publications, articles, etc


Climatic Summaries:
Climatology For Southwest Asia (Numerous Data Sources and Summaries)
Annual Climatological Summaries (Monthly/Annual Summaries for ~ 8000 U.S. Locations)
Climatological Data (Daily/Monthly Data for ~ 8000 U.S. Locations)
Climate Variations Bulletin (Monthly Reports of U.S. Climate)
Climatic Data for Frost-Protected Shallow Foundations
Climatic Maps for the U.S. (selected maps from the Climate Atlas)
Comparative Climatic Data (Climatological Averages for U.S. Cities)
Climates of the World (PDF format, Regional Narratives and Climatic Tables by City)
Climatography of the U.S. - Supp #3 (Maps of Temperature, Precip, Degree Days)
Freeze/Frost data for the U.S. (PDF format)
Frost Free Maps for the U.S. (Based on 28F and 32F Temperatures)
Heating and Cooling Degree Days (Monthly State, Regional, and National Degree Days)
Hourly Precipitation Data (Hourly Precip Data for over 2500 U.S. Locations)
Historical Climate Publications (Publications & cdroms for sale at a very reduced price)
Hourly Rainfall Event Statistics (Frequency Distributions for Hourly Rainfall)
Local Climatological Data (Hourly/Daily Data for nearly 300 U.S. Cities)
Monthly Climatic Data for the World (Selected Worldwide Cities' Climate Summaries)
Rainfall Frequency Atlas of the US (Frequency Distributions for Heavy Rainfall)
Storm Data Publication (Monthly Reports of Damaging Weather)
Wind Climatology (PDF format, Wind Climatology for Selected U.S. Cities)

Surface Data: Graphs & Maps

Climate Visualization (CLIMVIS)

Graphics / Selection of global station data--includes daily values for U.S. and global stations, and monthly data for global stations and U.S. climate divisions.

NCEP Charts

Graphics / Selection of numerous surface and upper air charts.

Climate Maps of the United States

Over 700 maps of climate normals.

Paleoclimate data

(World Data Center for Paleoclimatology)

Surface Data: Radar

National and Regional Radar Mosaics

National and regional radar composites from 1995 to present.


NEXRAD Level II and III Data

NEXRAD level II and level III data from as early as 1991 to present.


Additional Radar Resources and Information


Other radar information, data and inventories.

Surface Data: Hourly (Temperature, Precipitation, Winds, Pressure, Etc)

Data Files and Graphics:
- U.S. Climate Reference Network--Select by Station

(2001 - present, all elements *)

Data Files and Printable Forms:
- Global and U.S.--Select by Station (Integrated Surface Hourly)

(Period of record now being added to system, over 10,000 stations, after final quality control, all elements *)

- U.S.--Select by Station (Unedited Local Climatological Data)

(1996 - present, over 300 stations, before final quality control, all elements *)

- U.S.--Select by Station (Edited Local Climatological Data)

(1996 - present, over 300 stations, after final quality control, all elements *)

- U.S.--Select by Station (Unedited Surface Weather Obs, 10A/B)

(1996 - present, over 300 stations, before final quality control, all elements *)


Data Files:
- U.S. Hourly Precipitation--Select by Station


(Full period of record, 1948 - present, over 6000 stations)

- U.S. 15-Minute Precipitation--Select by Station

(Full period of record, 1971 - present, over 3400 stations)

Surface Data: Daily (Temperature, Precipitation, Winds, Pressure, Snow, Etc)

Data Files and Graphics:
- Global and U.S.--Select by Station , or All Stations by Month

(1994 - present, over 8000 worldwide stations with over 1000 in U.S., all elements *)

- U.S.--Select by Station , or By Region (Contour Map)

(1948 - 1998, over 500 stations, all elements *)

- Global Climate Observing System

(As early as 1916 - 2002, over 200 stations, temperature, pressure, precipitation)


Data Files and Printable Forms:
- U.S. High Resolution--Select by Station (Cooperative, NWS)


(Full period of record, 1948 - present, over 18000 stations, all elements *)

- U.S.--Select by Station (Unedited Local Climatological Data)

(1996 - present, over 300 stations, before final quality control, all elements *)

- U.S.--Select by Station (Edited Local Climatological Data)

(1996 - present, over 300 stations, after final quality control, all elements *)

Data Files:
- World War II Era
(1940 - 1945, 162 stations, all elements *)
- Daily U.S. Historical Climate Network
(1901 - 1997, 138 selected long-term stations, temperature and precipitation)

Surface Data: Monthly (Temperature, Precipitation, Pressure, Etc)

Data Files and Graphics:
- Global Data - Select by: All Stations

("GHCN", 1800 - latest available, over 7000 stations, temperature/precipitation/pressure)

- U.S. Data--Climate At A Glance

(National, regional, statewide and city data from 1895 to the present)

- U.S. National/State/Divisional Data--Select by State/Division , or Complete Datasets , or Plot (Line Graph) Divisional Averages

(1895 - present, national/state/divisional averages by month, temperature & precipitation)


Data Files and Printable Forms:
- U.S. Data--Select by Station (Unedited Local Climatological Data)


(1996 - present, over 300 stations, before final quality control, all elements *)

- U.S. Data--Select by Station (Edited Local Climatological Data)

(1996 - present, over 300 stations, after final quality control, all elements *)

- Annual Climate Summaries--Select by Station (Cooperative Network)

(1996 - present, over 8000 stations, temperature and precipitation)


Data Files:
- U.S. High Resolution--Select by Station (Cooperative, NWS)


(Full period of record, 1948 - present, over 18000 stations, all elements *)

- Global Data--Select by Station

(1986 - 2000, over 3000 stations, all elements *)

- U.S. Precipitation Data by State

(1948 - 1997, over 8000 active stations, cooperative network + NWS sites)

- U.S. Historical Climate Network Data

("USHCN", 1880 - 2000, over 1000 long-term stations, temperature and precipitation)

- Global Climate Observing System

(As early as 1916 - 2002, over 200 stations, temperature, pressure, precipitation)

Surface Data: Modeled

Data Files and Graphics:
- Global Surface Temperature Anomalies (Modeled)

(1992 - present, monthly temperature)

- NOAA Operational Model Archive and Distribution System (NOMADS)

(Numerical weather prediction models and climate models)


Data Files:
- Global Climate Model--100 Year Run, or 1000 Year Run


(Temperature and precipitation models based on CO2 estimates)

Upper Air Data

NCEP Charts

(Graphics / Selection of numerous surface and upper air charts)

Comprehensive Aerological Reference Data Set (CARDS) Global Radiosonde Data

(CARDS-derived products and station history information)

Paleoclimate data

(World Data Center for Paleoclimatology)

Marine Data

Global Buoy Data--Select by Buoy

(1994 - present, click on ocean basin for station list, all elements *)


VOSClim (Voluntary Observing Ship Climate Project) Home Page

(Marine data and metadata access)

Paleoclimate data

(World Data Center for Paleoclimatology)

Important Notes

1. * - "all elements" - Indicates all available elements as reported by each station, such as winds, temperature, dew point, visibility, pressure, weather conditions, precipitation amount, snow depth, etc.
   
2. Items highlighted by provide graphical capabilities for viewing the data, in addition to station and region selection capability. Data values can be graphed and then downloaded.
3. Items highlighted by have at least some form of the data/product available FREE in our Online Store. Items highlighted by require payment for the data unless you have been authorized for free access. Items not highlighted by are FREE to everyone--no payment required.

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