Ai'R. 1893.] T50TANICAL SOCIETY OF EDINBUliGH. 



597 



^^eteorological Observations taken at Koyal Botanic Garden, Edinburgh, 

 during tliu Montii of March 189i». 



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

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



Barometer. — Highest Ob-'erv^d, ou the 25th, = 30-333 inches. Lowest Observed, 

 on tlie 15th, = 29-262 inches. Difference, or Monthly Range, = 1-071 inch. Mean = 

 29-912 inches. 



S. R. Thermometers. — Highest Observed, ou the 26ih, = 66°-2. Lowest Observed, 

 ou the 19th, = ■24°0. Difference, or Monthly Range, = 42°-2. Mean of all tlie 

 Highest = 47°-4. Mean of all the lowest =^ 30°'3. Difference, or Mean Daily 

 Range, = 11°-1. Mean Temperature of Month =^ 41"-8. 



Hygrometer.— Mean of Dry Bulb = iVS. Moan of Wet Bulb = 40°-2. 



Rainfall.— Number of Days on which Rain fell ^ lo. Amount of Fall = 0-666 

 inch. Greatest Fall in 24 hours, ou the 1st, = 0-275 inch, 



A. D. RICHARDSON, 

 Observer. 



TKANS. BOT. SOC. ^UlS. VOL. XIX. ' 2 U 



