209 



EXTRACT OF REPORT 



METEOROLOGICAL OBSERVATIONS 



Taken at the Hereford Infirmary, from June ist to December 31st, 1857, 

 By J. E. Smith. 



Mr. Smith, House Surgeon of the Infirmary, commences his report by 

 enumerating the apparatus belonging to the Society that came into his possession 

 on April 25th, and consisted of the following : — A Meteorological Observatory, 

 Barrow's Barometer with attached Thermometer, Maximum Mercurial Ther- 

 mometer, Minimum Spirit Thermometer, Black-bulb Maximum Mercurial Ther- 

 mometer, Hygrometer consisting of a wet and dry-bulb Thermometer with glass 

 for holding water, Rain Gauge, Graduated Glass Jar for measuring rainfall, and 

 Glaishers Hygrometrical Tables. 



He then records the valuable aid he had in Mr. W. Glegg BuUock in making 

 punctual note each day from the ist June ; so few occasions being missed as not 

 to affect the averages importantly. 



The Observations were taken twice in the 24 hours, viz. : — at 9 a.m. and 

 3 p.m. A general summary has been made out at the end of every month, a 

 copy of which he regularly forwarded to Mr. Glaisher, and one to each of the 

 local papers. 



Mr. Smith suggests for your consideration the following additions to the 

 instruments :— A good self-registering Anemometer, a proper Weathercock, 

 another Rain Gauge, a Minimum Thermometer for the grass. Ozone Papers, and 

 a Flood Gauge or River Gauge. 



The following summary of the Meteorological Observations for the seven 

 months from June ist to December 31st, 1S57, may contain points of interest to 

 many of you, and be useful as a Record of Facts. 



From the Table on the next page it will be seen that the Barometer rose 

 highest in Decmber, but the highest mean was in November. It reached its 

 lowest (28.563 inches) in October. 



The Thermometer was highest in June, but the highest mean was in August. 

 It was lowest, and the mean lowest, in November. 



The Driest Month was June. The Dampest was December. Every month 

 from September increased in humidity. 



The Atmosphere was lightest in August, and heaviest in December ; its 

 weight increasing throughout the Autumn to the end of the year. 



