New York Weather Bureau. 207 



High lY, 30.1 inches, on the 12th extending from the lakes to 

 the Mexican gulf, and thence passing over the Coast States to the 

 Southeast on the 13th and 14th, with fair weather. 



Low III, 29.6 inches, passed from the Lake Region over Canada 

 on the 15th and 16th, giving general thunder showers. This low 

 brought the second and final hot wave of the month. 



High V, 30.2 inches was formed by an area originating in the 

 West, reaching the Central States on the 17th ; and by a second 

 ai"ea from British Columbia, uniting with the former, and covering 

 the Eastern-Central States on the 19th to 24th. The accompany- 

 ing fair weather was interrupted by 



Low lY, 29.8 inches, passing slowly over Canada on the 18th to 

 20th, and on the 19th giving general thundershowers. 



High YI, 30.1 inches, developed north of the lakes, covering 

 Canada and northeastern New York on the 23d, when a consider- 

 able fall of tempej'ature occurred. At the same time. 



Low Y, 29.8 inches, passed to the central coast, giving rain in 

 southeastern New York ; while 



Low YI, 29.7 inches, passed eastward along the Canadian border; 

 and on the 21:th and 25th, uniting with Y,.was general over 

 northern New York and Canada, the heaviest rains of the month 

 falling in eastern New York, 



High YII, 30.1 inches was over the Gulf States on the 25th, 

 thence spreading northeastward and giving generally fair weather 

 in this section until the 30th. The temperature meanwhile rose 

 slowly to the normal value while 



Lows YII and YIII, 29.8 and 29.7 inches respectively, passed 

 eastward well to the north of our borders on the 27th and 29th, 

 the latter giving light showers, except in the Southeast: 



