322 METEOROLOGICAL REPORT, 1870, 



Thermometer — Mean of daily minimum, 48-63° ; lowest, 41° 

 on the 27th and 30th. Mean of daily maximum, 69 "03° ; highest, 

 79° on the 7th. Mean of minimum and maximum, 58-83°. Mean 

 of wet bulb, 54-05° ; of dry bulb, 57-45°. 



Eainfall on eight days, viz., 2-39 inches; greatest fall, 1-30 

 inches on the 18th. 



Mean height of river, 1-10 feet; highest, 1*2 feet on the 1st. 

 Wind— N.E., 3° N. 



Acklam, near Middlesbro'. — The beginning of the month was 

 marked by hot days and cold nights. The appearance of rain at 

 times was very promising, but the performance fell short. Har- 

 vest was general about the 12th of the month. Dull foggy wea- 

 ther was prevalent about that time, which proved refreshing to 

 vegetation. Many garden crops such as beet, carrots, &c, had 

 previously had the leaves flat on the ground and withered for 

 want of moisture. Showers towards the close of the month. 



Seaham. — On the 10th the sun was so hot that it scorched 

 many flowers in the borders, such as asters and hollyhocks. 

 The flowers shaded by leaves escaped. It was an occurrence 

 without precedent in this locality. 



A Solar Halo was seen at Wallington on August the 1st. 

 AuRORiE Boreales were seen at Otterburn on the 25th ; at Dur- 

 ham on the 20th. Lightning was seen, but Thunder was not 

 heard, at Wallington on the 4th and 26th, at Allenheads on the 

 4th ; at North Shields on the 18th. Thunder was heard, but 

 Lightning was not seen, at Otterburn on the 4th and 17th ; 

 at Wallington on the 17th ; at Allenheads on the 1st and 17th ; 

 at North Shields on the 17th. Thunderstorms occurred at Wal- 

 lington on the 5th and 6th ; at Alnwick on the 17th ; at Cress- 

 well on the 5th and 17th ; at Darlington on the 5th ; at Acklam, 

 near Middlesbro", on the 29th; at Allenheads and Bywell on 

 the 5th ; at North Shields on the 29th. Hail fell at Cresswell 

 and at Whitley on the 29th. 



