Annual Temperature Extremes
for the Continental United States

The MRCC has developed a new set of annual maximum and minimum temperature records for each cooperative observer network site in the continental U.S. with more than 5 years of observations. You may open a text file with the entire U.S. data set, or files for individual states of interest. Details about these data can be found in the "Description" link on this page.

Click for a description of these datasets (pdf file):

Choose a State or the U.S.: All U.S. Contiguous Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming