At this time there is no limitation on the number of concurrent users able to access the database. The Adobe Acrobat Reader is required to view or print these PDF files. GPO continues to work with NCDC to develop a CD-ROM product to be distributed to the depository libraries, but it has not yet been completed. This publication contains monthly mean temperature, pressure, precipitation, vapor pressure, and sunshine for approximately 2,000 surface data collection stations worldwide and monthly mean upper air temperatures, dew point depressions, and wind velocities for approximately 500 observing sites. Monthly issues contain a chronological listing, by state, of occurrences of storms and unusual weather phenomena.
Reports contain information on storm paths, deaths, injuries, and property damage.
The December issue includes annual tornado, lightning, flash flood, and tropical cyclone summaries. Summarizes temperature, relative humidity, precipitation, cloudiness, wind speed and direction observations for several hundred cities in the U.S. and its territories. Most monthly publications also contain the 3 hourly weather observations for that month and an hourly summary of precipitation. Annual LCD publications contain a summary of the past calendar year as well as historical averages and extremes. Please see LCD listing of published stations for a listing of valid stations and dates for LCD publications.