TAKEN AT THROCKING, HERTS, IN 1880. 237 



The rainfall, which was helow the mean of the district for 1870-79 

 during the hrst six mouths, was iu excess during the last six. The 

 following represents the diiference from the mean in each month. 



January — 



February + 



March — 



April — 



May — 



June — 



Dri/ periods. — January 1st to 15th, and 17th to February 4th, no 

 actual fall, with the exception of ^02 in. of snow on the 22nd. March 

 4th to 31st, no fall, with the exception of ^02 in. on the 4th and •Ol 

 in. on the 7th; April 22nd to May 10th no fall, with the excep- 

 tion of ^04 in. on the 24th of April, -05 in on the 26th, and -03 in. on 

 the 4th of May ; May 11th to 27th no fall, with the exception of 

 •03 in. on the 26th ; August 14th to 29th no fall, with the exception 

 of ^02 in. on the 19th, and •Ol in. on the 25th; August 30th to 

 September 10th no fall, except •Ol in. on the 6th of September; 

 September 20th to October 2nd no fall. 



Wet periods. — In July rain fell on all but nine days. On the 

 14th ^89 in. of rain fell in 2i- hours. The chief falls were 



in. in. 



July 1st -70 July 24tli ^54 



,, 3rd •ag „ 26th SO 



,, nth -40 „ 28th •53 



„ 14th 1^00 „ 29th ^28 



Between September 11th and 20th 3^08 ins. of rain fell. Of the 

 above amount 2^42 ins. fell between the 11th and 14th. 



in. in. 



September 11th 1-22 September 13th -03 



,, 12th -35 „ 14th ^82 



In October 2*03 ins. fell between the 4th and 6th; and 1'69 in. 

 between the 26th and 28th. 



in. in, 



October 4th ^59 October 26th -85 



5th ^28 „ 27th -36 



,, 6th 1-16 „ 28th -is 



Rain fell every day from December 13th to 30th except on 17th 

 and 25th; snow fell on the 19th and 26th, 



There is nothing more I think which calls for special remark. I 

 will therefore briefly epitomise the weather of each month, using 

 the following abbreviations: — F, fog; H, hail; L, lightning; R, 

 rain; S, snow; T, thunder; T S, thunderstorm. 



January.— Cold with little R and much F. S 10th, 14th, 15th, 

 22nd; R 8th, 15th, 16th, 22nd; F 4th to 10th, 16th, 28th, and 

 29th, F of 28th heavily charged with soot, the rime from the trees 

 blackening the grouud ; probably a London fog on the travel. 



