458 METEOROLOGICAL REPORT, 1871, BY THE 



Thermometer — Mean of maximum 59*49° 



Mean of minimum 39-61° 



Difference 19-88° 



Mean for month ( max + m ' n ) = 49-55° 

 Mean of sixteen years 50-95° 



Deficiency of 1871..... 1-40° 



Highest reading, 77° on the 25th ; lowest, 27° on the 17th. 



Mean of wet bulb at 8 a.m., 44-4°; of dry bulb, 47*8°; dif- 

 ference, 3-4°. 



Fall — Eain, 0*88 inch ; greatest fall, 0-38 inch on the 26th ; 

 days of fall, seven. 



Eiver Tyne at Wylam Bridge — Mean height, 1*7 feet ; highest, 

 2-2 feet on the 1st. 



Wind— N., 12° E. 



Acklam, near Middlesbro'. — On the 23rd the currant and 

 gooseberry leaves were falling, having been damaged by the 

 frost. The plum trees were also much hurt. 



Solar Halos were seen at Sunderland on the 2nd, 5th, 6th, 

 14th, 15th, 18th, 20th, and 24th. Thunderstorms occurred at 

 Sunderland on the 26th ; at Acklam on the 26th ; at Darlington 

 on the 26th ; at Gainford on the 26th. Thunder was heard, but 

 Lightning was not seen, at Wallington on the 26th ; at Allen- 

 heads on the 29th ; at Meldon on the 25th ; at Cresswell on the 

 2nd ; at North Shields on the 26th ; at Greta Bridge on the 8th. 

 Snow or Sleet fell at Sunderland on the 16th ; at Seaham on 

 the 16th. Hail fell at Gainford on the 26th. 



June.- 



' ' A bright yellow sky at sunset 

 Presages wind. A pale yellow, wet." 



— Fitzroy. 



Greenwich.— The low temperature was most severe at the 

 beginning and end of June, and the deficiency of temperature 

 from the average of the preceding thirty years exceeded 4° daily. 

 The month of June, 1860, was of the same low temperature, but 



