2G0 Ninth Annual Report of the 



[Ugh IV, 30.5 incliet!, developed mainly over the lakes and 

 Eastern-Central States on the 13th, with falling tem)3eratiire. The 

 area passed to the Central and Southern coast on the 15th and 16th, 

 giving hot southerly winds toward 



Low IV, 49.8 inches, which on the 14th and loth formed a 

 " trough " of low pressure from the lakes to Texas. The area con- 

 centrated north of this State on the IGth, when an unseasonably 

 high temperature prevailed, while a considerable rainfall occurred 

 along the lakes and in the northern section. This area was followed 

 by high and cold winds flowing out of 



High Y, 30.5 inches, reaching the upper lakes from the West on 

 the ITth, thence passing northeastward, and lingering on the coast 

 until the 22d. The temperature rose slightly above the normal 

 with the advance, of 



Low V, 29.9 inches, a shallow depression moving over the lakes 

 and northeastward on the 21st and 22g, bringing light rains in the 

 central section and along the lakes. 



Low VI, central over the Atlantic, gave high winds along the 

 coast on the 21st. 



High VI, 30.4 inches, covered the Western-Central States on the 

 22nd, thence spreading toward V in the northeast, and shifting 

 slowly over the !N"ortlieastern States and coast until the 28th. The 

 weather was generally fair during this period ; but showers occurred 

 along the coast on the 23d, and continued during two days follow- 

 ing owing to the presence of 



Low VIT, 29.7 inches, which remained off the Carolina coast from 

 the 25th to 28th, diminishing. Fair and mild weather prevailed 

 from the 26th to 28th, when a further increase of temperature 

 occurred, due to 



