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. The Annual publication viewed on the screen will appear less sharp than the printed version. This publication contains hourly precipitation amounts obtained from recording rain gages located at National Weather Service, Federal Aviation Administration, and cooperative observer stations. Published data are displayed in inches to tenths or inches to hundreths at local standard time. Monthly issues contain a chronological listing, by states, 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. 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.