Real-Time Weather Data
Hourly weather data from stations across the world is continuously collected and stored into a local database. The data is available through this web interface. Most stations have information for dry bulb temperature, dew point temperature, wind speed/direction, atmospheric pressure, visibility, cloud conditions, and precipitation type. Data may not be available for all stations and may not be contiguous for time period selected. The time stamps for most stations are converted from Greenwich Mean Time (GMT) to Local Standard Time (LST). However, if station information is not found for the Station ID, then the time will be in GMT and the user must convert the timestamps manually to reflect LST. To request for a data set to be e-mailed to you, complete the simple process below.
Note: The real-time weather data in this database is from public-domain sources. The data is provided as it was received — the data have gaps and have not been validated, smoothed, or changed in any way. Where small gaps exist, data can be extrapolated using a simple algorithm found in the User's Manual.
Weather Analytics - Site specific weather files in EnergyPlus format based on the latest 30 years of hourly data are now available from the private sector company Weather Analytics for any official weather station on more than 600,000 35-km grid tiles across the globe. These files are built by integrating hourly weather station observations and the new NOAA reanalysis data sets. Both Typical Meteorological Year (TMY) files and individual, Actual Meteorological Year (AMY) files are available, as are files constructed from the previous 12 months.