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Why use AWIS weather and climate data?
You can rely on AWIS for quality, convenience, consistent format, and quick delivery.
All weather and climate data are not created equal!
Click here for details.
Available Weather Parameters
We can supply air temperature, wet bulb temperature, dew point, relative
humidity, wind speed, wind direction, weather type, precipitation, solar
radiation, pan evaporation, heating and cooling degree days, growing
degree days, leaf wetness, soil temperatures and more.
Available Locations
Please click on the above maps to see where we have data. We closely
monitor the reliability of weather reporting sites worldwide. Each
month we update our statistics. We use these reliability statistics
to match the best weather reporting locations to your needs.
Historical Weather Data
Data are available for the period of record for thousands of locations
around the world. Our database includes hourly as well as daily data.
Our reliability statistics allow us to provide you with the best
available data.
Climate Data Normals
We maintain an extensive global database of climate data, often referred
to as "normals". By convention, normals are computed for 30 year periods
ending each decade. The latest normals are for 1971-2000. Normals are essential
for making comparisons to current conditions and for developing weather-based
models.
On-going Weather Data
Our computers are constantly processing satellite and internet feeds to maintain
a database of global weather conditions. We can supply the latest hour,
the past 24 hours, or any desired time frame. In addition to a live feed of
data, we can supply next day cleansed data after the data passes our rigorous quality control.
Source of Weather and Climate Data
Our Climate Data Normals are derived from official sources where possible.
In the US, our normals are based on the official data from the National
Climate Data Center. We have computed our own normals for many foreign locations
where official normals are unavailable. Our Historical Weather Data is a
combination of data from official sources and data that we have collected,
cleaned, and added to our database. Our historical weather database is often
more complete than the offical database due to our quality control.
On-going Weather Data are extracted from
satellite and internet broadcasts received directly from the National Weather
Service and other reliable sources. The data are from observation systems
established and maintained by the appropriate Federal or state agency. We
don't use data from unauthenticated and unreliable sources.
Quality Control of Weather and Climate Data
All weather and climate data in AWIS databases have been rigorously quality controlled.
Quality control is performed by our professional meteorologists and
experienced staff. Quality control can not be underestimated. Despite data
being from "official" sources, the quality is not ensured. We constantly find and
correct numerous errors. We quality control yesterday's data today. That means
you get the most reliable weather data from AWIS. For more information about our quality control
procedures, click
here.
Standard and Custom Formats
All climate data are delivered as specified by the client. Both custom
and standard formats are available. Our weather and climate data is ready to
ingest, with minimal work for the client. AWIS weather and climate data is
spreadsheet and database ready.
Delivery of Weather and Climate Data
Most data are delivered electronically via FTP, private web pages, or e-mail.
Historical weather data and climate normals can also be delivered on CDs or
other storage devices. Small datasets can be faxed or sent in US Mail.
For more information and a price quote please
contact AWIS.
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