May 189;J.] BOTANICAL SOCIETY OF EDINBUKGH. 



605 



^leteorological Observations taken at Jloyal Botanic Garden, Edinburgh, 

 during the Month of April 1893. 



Distance from Sea, 1 mile. Height of Cisteru of Barometer above Mean Sea-Level, 

 71-0 feet. Hour of Observation, 9 a.m. 



Barometer. — Highest Observed, on the 8th, = 30-568 inches. Lowest Observed, 

 on the 29tb, = 29-730 inches. Difference, or Monthly Kange, = 0-838 inch. 

 Mean = 30-097 inches. 



S. E. Thermometers.. — Highest Observed, on the 25th, = 61°-8. Lowest 



Observed, on the 12th, = 3ru. Difference, or Monthly Kange, = 30°-8. Mean of 



all the Highest = 54°-o. Mean of all the Lowest = o9'-l. Difference, or Mean 

 Daily Range, = 1.3''-4. Mean Temperature of Month = 46°-8. 



Hygrometer. — Mean of Dry Bulb = 47^-1. Mean of Wet Bulb = 44'-2. 



Eainfall.^ — Number of Days on which Eain fell = 11. Amount of Fall = 1-560 

 inches. Greatest Fall in 24 hours, on the 15th, = 0-530 inch. 



A. D. EICHAEDSON, 

 Observer. 



