464 METEOROLOGICAL REPORT, 1871, BY THE 



Solar Halos were seen at Wallington on the 4th and 30th ; 

 at Sunderland on the 2nd, 5th, 14th, 18th, and 23rd. Lunar 

 Halo was seen at Sunderland on the 27th. Thunderstorms 

 occurred at Saughtree on the 1st, 2nd, 5th, 23rd, and 30th ; at 

 North Sunderland on the 1st, 4th, 23rd, and 24th ; at Bothbury 

 on the 4th, 9th, 16th, and 29th ; at Wallington on the 1st, 8th, 

 16th, 23rd, 24th, 25th, 26th, and 30th ; at Allenheads on the 

 4th, 10th, and 30th ; at Cresswell on the 1st, 4th, 5th, 7th, 8th, 

 9th, 10th, 14th, 17th, 26th, and 29th ; at Bywell on the 1st, 

 4th, 10th, and 30th ; at Whitley on the 1st, 5th, 8th, 14th, and 

 23rd; at North Shields on the 1st, 10th, 14th, 23rd, 26th, 

 and 29th ; at Sunderland on the 1st, 5th, 8th, 10th, 14th, 23rd, 

 28th, and 30th ; at Darlington on the 1st, 6th, 8th, 14th, 23rd, 

 28th, 29th, and 30th ; at Gainford on the 1st, 3rd, 5th, 8th, 

 10th, 14th, 23rd, 29th, and 30th ; at Seaham on the 5th ; at 

 Greta Bridge on the 1st and 14th ; at Acklam, near Middlesbro', 

 on the 1st, 4th, 8th, 14th, 16th, 23rd, 26th, and 27th. Hail 

 fell at Meldon on the 5th, 10th, 23rd, 26th, and 30th ; at Cress- 

 well on the 5th ; at North Shields on the 23rd ; at Sunderland 

 on the 5th and 23rd ; at Seaham on the 5th ; at Acklam on 

 the 5th. 



August. — 



" At St. Bartholomew 

 There comes cold dew." — Old Proverb. 



Greenwich. — The mean temperature of August was 64-8°, 

 being 4° higher than the average of 100 years ; and in the period, 

 1771-1870, the only instances in which the corresponding values 

 have been the same as, or in excess of, this value, are 1780, 

 65-7°; 1802, 64-8°; 1842, 65-4°; and 1857, 65-8° 



The mean high day and low night temperatures of August 

 were higher than the average. The daily range of temperature 

 was greater than the average by 4"7 . 



The oscillations of the barometer in August were larger than 

 in July, the principal movements being an increase to 30 - 02 

 inches on the 10th, a decrease to 29'26 inches on the 18th, an 

 increase to 29-80 inches on the 21st, a decrease to 29 - 56 inches 



