New York Weather Bureau. 127 



amounted to 0.01 iuclies or more was 9.3. The number of rainy 

 daj'S was very uniform over the State. The average number of 

 clear days was 10.4; of jjartly cloudy days, 13.4; and of cloudy 

 days, 7.2, giving an average cloudiness for the State of 48 per 

 cent. '• 



The prevailing direction of the wind was from the southwest. 

 The average wind travel at six stations of the National Bureau 

 was 8,242 miles, which amount is considerabh' in excess of the 

 usual values for May. The maximum velocity reported was 53 

 miles per hour at Buffalo on the 29th, direction from the west. 



Thunderstorms occurred on the 2d and 3d at a few stations in 

 the Great Lake Region and Western Plateau ; on the 4th at one 

 station each in the Western Plateau, Hudson Valley and Central 

 Lake Region ; on the 5th in the Atlantic Coast Region and one sta- 

 tion each in the Northern and Eastern Plateaus; on the 8th at 

 four stations in the Western Plateau; on the 11th, at New York 

 city; on the 14th at five stations in the Western Plateau and at 

 Brooklyn; on the 15th, at five widely separated stations; on the 

 17th, general over the State excepting in the St. Lawrence and 

 Champlain Valleys; on the 19th, at six stations in the south- 

 eastern sections ; on the 24th at five stations in the Western Plat- 

 eau; on the 25th, at four stations in the western sections; on the 

 26th, general in all regions excepting the St. Lawrence and Cham- 

 plain Valleys; on the 28th, general excepting in regions north of 

 the Mohawk Valley; on the 29th at four stations in the Eastern 

 and Western Plateaus; on the 30th, at seven widely separated sta- 

 tions; on the 31st at seven stations in the southeastern sections. 



Hail was reported on the 2d, 3d, 5th, 11th, 14th, 17th, 27th, 30th 

 and 31st. ' 



Lunar halos were observed on the 19th, 21st and 22d. 



Auroras were observed on the 2d, 3d, 17th, 19th and 20th. 



