592 



THE GLACIAL LAKE AGASSIZ. 



CLIMATIC CONDITIOlSrS. 



Six stations at which continuous series of weather observations have 

 been made are here selected for the purpose of exhibiting- by their records 

 the general climatic conditions of the southwestern part of the area of Lake 

 Agassiz, which is fast becoming- occupied by a dense population engaged in 

 agriculture. Five are stations of the United States Signal Service, namely: 

 St. Paul, where observations were begun November 1, 1870; Duluth, also 

 having records since November 1, 1870; Moorhead, since Januaiy 1, 1881; 

 St. Vincent, since September 5, 1880; and Bismarck, since September 15, 

 1874.^ With these are also inserted the records of observations at Winni- 

 peg for the Meteorological Bureau of the Dominion of Canada, beginning 

 with the year 1871 and published up to the year 1887, inclusive. 



RAINFALL AND SNOWFALL. 



At these stations, of which three are situated on the Red River, the 

 combined amount of rainfall and snowfall are as follows for their series of 

 years, with the resultant means deduced from each series: 



Annual and mean annual precijiitation, in inches. 



' Annual Reports of the Chief Signal Officer, United States Army. (In the ye.ar 1891 the Weather 

 Bureau was transferred to the United States Department of Agriculture.) 



