Nov. 1S90.] BOTANICAL SOCIETY OF EDINBURGH. 7 



Meteorological Observations taken at Royal Botanic Garden, Edinburgh, 

 during tbe Month of July 1890. 



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 20th, =30-153. Lowest Reading, on the 

 8th, =29-318. Difference, or Monthly Range, =0-835. Mean = 29-7-20. 



S. R. Thermometers.— Highest Reading, on the 22nd,=70°-9. Lowest Reading, 

 on the 25th, = 43° -2. Difference, or Monthly Range, = 27° -7. Mean of all the 

 Highest = 63°-9. Mean of all the Lowest = 49° -1. Difference, or Mean Daily 

 Range, = 14°-8. Mean Temperature of Month = 56°-5. 



Hygrometer.— Mean of Dry Bulb=58°-0. Mean of Wet Bulb = 53°-6. 



Rainfall.- Number of days on which Rain fell = 25. Amoimt of Fall, in 

 inches, =2-219. * 



