S70 Mr. J. Glaisher's Remarks on the Weather 



There were nine exhibitions of the aurora borealis during 

 the quarter ending March 31, IS-iQ, which occurred on Janu- 

 ary 14, and were seen at Aylesbury, Whitehaven and Maiden- 

 stone Hill; on January 15 at Hartwell; on February 18 at 

 Wakefield ; on the 19th at Stone, Whitehaven and Wakefield; 

 on the 20th at Whitehaven, Hartwell and Greenwich ; on the 

 2 1st at Hartwell ; on the 22nd at Holkham, Aylesbury, Stone, 

 Norwich, Newcastle and Greenwich ; on the 23rd at W^hite- 

 haven and Hartwell ; and on March 18 at Stone. 



Thunder-storms occwvvedi on January 10 at Whitehaven ; 

 on January 14 at Norwich; on February 25 at Truro; and 

 on March 31 at Uckfield. 



Hail fell at Norwich and Hartwell on January 14 ; at New- 

 castle on February 22 ; at Wakefield on February 23 ; at Saf- 

 fron Walden on March 8. 



Siwiio fell at Saffron Walden on January 4 ; at Leicester, 

 Saffron Walden, Highfield House, and Southampton on Ja- 

 ^-nuary 5; at Saffron Walden on January 29: at Stone, Hart- 

 well, Norwich, and Saffron Walden on February 28 ; at Stone 

 and Saffron Walden on March 24 and 25 ; at Stone on the 

 28th; and at Norwich on the 31st. 



Solar halos were seen at Greenwich on February 26 and 

 on March 30. 



Lu7iar halos were seen at Greenwich on January 6, and at 

 Stone on February 27, March 7, 8 and 31. 



Zodiacal light was seen at Whitehaven on February 11. 



The reading of the barometer was above 30 inches on the 

 1st of January; it decreased to 29*58 by the 3rd, and in- 

 creased to 29*93 by the 6th. During the evening of the 7th 

 it decreased quickly, and was 29 4 on the 8th and 9th. On 

 the 1 0th the lowest reading in the month took place, and v/as 

 28*83; on the 11th it increased rapidly, and was 29*85 at 

 midnight, and passed the point 30 early on the morning of the 

 12th. On the 13th and 14th the readings decreased, and 

 were 29*31 on the latter day, and then it increased with slight 

 exceptions till the evening of the 23rd, when the reading was 

 30' 328, being the highest during the month ; it then decreased, 

 slowly at first, and rapidly during the afternoon of the 27th. 

 The reading was 29*26 on the evening of the 28th, after which 

 it increased, and was 30*16 at the end of the month. In 

 February the average reading from the 1st to the 18th was 

 30*36. On the 11th, in the evening, the very extraordinary 

 reading of 30*715 took place. On the 19th the reading de- 

 scended below 30 inches ; on the 20th the decrease was 0*4 ; 

 on the 21st and 22nd the reading was about 29*7; on the 

 24th and 25th the decrease both days was about 0*25, and the 

 reading was 29*21 on the evening of the 25th ; it increased 0'5 



