July 1891.] BOTANICAL SOCIETY OF EDINBURGH. 



169 



Meteorological Observations taken at Royal Botanic Garden, Edinburgh, 

 during the Month of June 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. — Highest Reading, on the 21st, =30-308. Lowest Reading, on the 

 30th, = 29 -438. Difference, or Monthly Range, =0-870. Mean = 29 -999. 



S. R. Thermometers. — Highest Reading, on the 12th, =73°-7. Lowest Readings, on 

 the 7th and 13th, = 42°-0. Difference, or Monthly Range,=31°-7. Mean of all the 

 Highest=62°-2. Mean of all the Lowest = 49°-l. Difference, or Mean Daily Range, 

 =13°-1. Mean Temperature of Month =55° -6. 



Hygrometer. — Mean of Dry Bulb=55°-7. Mean of Wet Bulb=52°-5. 



Rainfall. — Number of Days on which Rain fell =9. Amount of Fall, in inches 

 =0-417. 



A. D. RICHARDSON, 

 Observer. 



TRANS. BOT. SOC. VOL. XIX. If 



