PKOCEEDINGS 



OF THE 



HOLMESDALE NATURAL HISTORY CLUB. 



Evening Meeting. — January 20th, 1888. 



The President, Mr. W. H. Tyndall, read the following 

 Report on the * Meteoeology of Redhill for the Year 

 1887 • :— 



So far as regards the immediate neighbourhood of Eedhill, 

 the Meteorology of the year has not exhibited any very 

 marked featm-es, except in respect of the dryness of the 

 summer, regarding which further remark will be made. 



Barometer. — During eight months of the year it has 

 ranged on an average above the mean. From February to 

 August, both inclusive, and again in October, the average 

 height was over 80 in. : February having the highest average, 

 being 30-31 in. The lowest average of the months was in 

 November, when the mean was 29'71 in. The highest point 

 reached, as observed by me, was 30"69 in. on February 7th, 

 and again on April 17th ; and the lowest was 28'84 in. on 

 January 5th. On three days the barometer fell below 29 in., 

 namely, on January 4th and 5th, and November 3rd. On 

 139 days it was under 30 in., but over 29 in. ; and on 228 

 days it rose to 30 in. and upwards. 



Temperature. — Notwithstanding some warm weather in 

 the summer, the general temperature of the year was below 

 the average of years. From January to May the year was 

 colder than the average of years ; in June and July the 

 temperature was in excess; August was about the mean; 

 from September to December the months were cold, especially 

 September and October. On 101 days the thermometer during 



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