234 Ninth Annual Rkport of the 



Slifjlitly cooler weather, witli liglit to moderate showery, ocenned' 

 on the 7th, when the high was reinforced b}^ a rise of pressure 

 over Canada. 



Low II, 29.8 inches, developed north and east of New York on 

 the 9th, spreading over Canada on the 10th and 11th, giving 

 scattering showers in the northern counties. Higli I on the central 

 coast strengthened the southerly winds, brini^ing a hot wave of 

 considerable intensity, especially in the western section, central on 

 the 10th. The weather grew rapidly cooler with the advance of 



High II, 30.3 inches, originating on the Pacific coast on the 8th, 

 and passing along the northern border reached the Northeastern 

 States on the 11th to 12th. The temperature fell to about the 

 normal value. 



Low III, 29.8 inches, originating on the northwestern coast, 

 passed over Canada on the 13th, bringing light rains and thunder 

 storms and rising temperature. 



High III, 30.3 inches, passing over British America, was felt in 

 this section on the 14th, 16th, bringing fair, cooler weather. The 

 area passed to the coast and Southern States, while 



Low lY, 29.8 inches, passed over the Upper Lakes and Canadian 

 Provinces on the 16th and 17th, bringing very hot weather in the 

 western and northern sections on the 16th, with light to moderate 

 thunder showers in the interior of the State. 



High IV, 30.4 inches, a very large area, was over the Western 

 States on the 17th, and on the 18th extended to the Eastern-Central 

 States, bringing severe frosts over half the continent. The highest 

 wind velocity of the mouth marked the advance of this area. 



Low Y, 29.8 inches, originated in the northwest, reaching the 

 St. Lawrence Yalley on the 19th, thence probably passing over the 

 State to the coast, giving a slight rise of temperature and moderate- 

 rains, with some heavy showers in the east. 



High IV again spread over this section on the 21st and 22d, 

 bringing clear weather and temperatures near the freezing point 

 in the northern section. 



Low VI, a tropical hurricane was central off the New Jersey 

 and New England coast on the 23d and 24th. The rainfall was- 

 heavy at some eastern-central stations, but moderate elsewhere. 



