National Trends

National trends for Mean Temperature, Maximum Temperature, Minimum Temperature, and Precipitation for each month and season can be accessed using the form below. Maps are available that depict trends for the most recent complete 30-year period and the complete period of record. Each of those maps display the trend regardless of statistical significance as well as trends which exceed 95 percent confidence (trends which are not a result of random chance).

Average Mean Temperature Trends, October

Average Mean Temperature Trends, October, 30-Year Average Mean Temperature Trends, October, 30-Year at 95% Confidence Interval Average Mean Temperature Trends, October, Period of Record Average Mean Temperature Trends, October, Period of Record at 95% Confidence Interval