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. For all other questions or problems, please see NCDC Contact Page .
Monthly editions contain station daily maximum and minimum temperatures and precipitation.
Some stations provide daily snowfall, snow depth, evaporation, and soil temperature data. The July issue also contains monthly heating degree days and snow data for the preceding July through June. The Annual issue contains monthly and annual averages of temperature, precipitation, temperature extremes, freeze data, soil temperatures, evaporation, and a recap of monthly cooling degree days. For all other questions or problems, please see NCDC Contact Page . This publication contains hourly precipitation amounts obtained from recording rain gages located at National Weather Service, Federal Aviation Administration, and cooperative observer stations.