150 



TRANSACTIONS AND PROCEEDINGS OF THE 



[Sess. 



Meteorological Observations taken at Eoyal Botanic Garden, Edinburgh, 

 during the Month of May 18L)1. 



Distance from Sea, 1 mile. Height of Cistern of Barometer above Mean Sea-level, 

 71 '5 feet. Hour of Observation, 9 a.m. 



Barometer. — Highest Rea<ling, on the 12th, =30-201. Lowest Reading, on the 

 1st, = -29 -140. Ditierence, or Monthly Range, = 1-061. ' Mean = 29 -698. 



S. R. Thermometers.— Highest Reading, on the 13th, =68°-8. Lowest Reading, on 

 the 17th, = 3r-0. Difference, or Monthly i;ange,=37"-8. Mean of all the Highe.st 

 = 54°-7. Mean of all the Lowest=40°-0. Dilfercnce, or Mean Daily Range, =14° -7. 

 Mean Temperature of Montli = 47°-4. 



Hygrometer.— Mean of Dry Bulb = 48''-4. Mean of Wet Bulb = 45°-7. 



Rainfall. — Number of Days on which Rain, or Snow, fell = 19. Amount of Fall, 

 in inches, = 1-49. 



Lifiht showers of snow on I6th and 17th. 



A. D. RICHARDSON, 



