8 



twenty-three years, 3.22; for June, 1893, 2.20; departure, 

 — 1.02. 



Prevailing Winds. — Easterly in eastern portion of the 

 State, and south-westerly in western districts. 



Thunder-storms. — 4th, 6th, 12th and 20th. 



Aurora. — Concord, 18th. 



Solar Halo. — Taunton, 30th. 



Remarks. 



The mean temperature of the month was slightly below 

 the normal, and the precipitation, except on Cape Cod, was 

 also deficient. 



The latter part of the month was unusually cool, owing to 

 the prevailing easterly winds. At Boston the week ending 

 June 29 averaged 11° below normal. At Blue Hill the aver_ 

 age daily temperature departure was — 1.3°. 



The rainfall was about one inch below the average through- 

 out the State, with the exception of Cape Cod, where an 

 excess was reported. 



Thunder-storms occurred on several dates, but none were 

 severe and few reached the eastern coast. 



No high gales were noted, although the wind movement 

 was larger than usual. 



The percentage of relative humidity was considerably 

 above the average for June. 



