Data source for the mean daily maximum temperature for the hottest month. 

 - [Washington, D.C.,  1977]. 
 - v. 
<br/><br/> 12/5/1977.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Temperature--Statistics.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/2:5310.4