14 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I48 



of the monthly records of St. Louis, 1854-1940. Such 5-month con- 

 secutive smoothing is also used in Jon Wexler's electronic tabulations 

 for foreign stations, mentioned above. But that does not prejudice 

 at all our discovery that very successful long-range forecasts can be 

 made. See also figure 22 of Pub. 4545.^ 



Fig. 4. — Cape Town, South Africa Precipitation. 30;^ Months Cleared. 



Landsberg, Mitchell, and Crutcher, in their paper on climatological 

 data for Woodstock, Md., describe that station "as a member of the 

 Weather Bureau's Climatological Benchmark Network." I feel very 

 grateful to Dr. Landsberg that he has sent me two sheets of the 

 monthly records of precipitation at Woodstock covering 1870 to 

 1963. Mr. Jon Wexler has prepared these records for my use to 

 make an analysis with forecast through 1969. I have made such a 

 forecast 1950 through 1969 for Woodstock, which shows correlation 



