208 



TRAXSACTIONS AND PROCEEDINGS OF [Sess. lvI. 



Meteorological Observations taken at Royal Botanic Garden, Edinburgh, 

 during the Month of September 1891. 



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

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



Barometer. — HiKliest Reailing, on the 23rd, = 29-966. Lowest Reading, on the 

 lst,=28-800. Diflereuce, or Monthly Range, = l-166. Mean = -29-679. 



S. R. Thermometers. — Highest Reading, on the 1.3th, =79°-7. Lowest Reading, on 

 the 8th, = 4r-6. Difference, or Monthly Range, =38°-l. Mean of all the Higliest 

 = 6-2-'-7. Mean of all the Lowest = 49°-0. Ditlerence, or Mean Daily Range, = 13° -7. 

 Mean Temperature of Maiith = 55°-8. 



Hygrometer.— Mean of Dry Bulb = .56''-6. Mean of Wet Bulb=53''-2. 



Rainfall. — Number of Days on which Rain fell = 25. Amount of Fall, in inches, 

 = 3-944. 



A. D. RICHARDSON, ) ,., „ _„„ 

 A. ANDERSON, ' Y)^>^<irvcrs. 



