New York Weather Bureau. 199 



Thunderstorms were reported as follows: At 2 stations on the 

 1st, 1 station on the 2d, 4 stations on the 4th, 5 stations on the 5th, 

 13 stations on the 6th, 10 stations on the 7th, 3 stations on the 8th, 

 15 stations on the 9th, 4 stations on the 10th, 1 station on the 11th, 

 5 stations on the 12th, 5 stations on the 13th, 4 stations on the 

 14th, 17 stations on the 16th, 1 station on the 17th, 12 stations on 

 the 18th, 1 station on the 21st, 2 stations on the 22d, 8 stations on 

 the 23d, 1 station on the 24th, 1 station on the 25th, 4 stations on 

 the 26th, 1 station on the 30th. 



Hail fell on the 9th, 12th and 18th. 



Light frost occurred in some of the colder sections on the 20th, 

 25th, 26th, 28th and 29th. 



The most noteworthy feature of the weather this month over 

 the greater part of the United States, as well as in New York, was 

 the term of excessive heat covering the dates from the 4th to the 

 14th. In the region of the upper Mississippi Valley some of the 

 highest temperatures on record were obtained; while in New 

 York where the temperatures were not so extreme, the prostrating 

 effects of the hot wave was due more to its long duration and the 

 high humidity which prevailed. During the second half of the 

 month the weather was generally cooler than the seasonal aver- 

 age, light frosts occurring in exposed localities, as already speci- 

 fied. \ 



The rainfall was deficient over the greater part of the State, 

 generally falling during frequent thunderstorms, alternating with 

 bright weather. The cloudiness was rather below the usual aver- 

 age for the summer months. 



Five areas of high and six areas of low pressure, approximately, 

 passed in the vicinity of this State during the month. The depres- 



