124 



TRANSACTIONS AND PROCEEDINGS OF THE [Sess. lv. 



Meteorological Observations taken at Royal Botanic Garden, Edinburgh, 

 during the Month of April 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, = 30-346. Lowest Reading, on the 

 .30th, = 29 -391. Diil'erence, or Monthly Kange,=0-955. Mean = 29-957. 



S. R. Thermometers.— Highest Reading, on the 27th, = 56°-6. Lowest Reading, on 

 the lst, = -24'^-7. Difl'erence, or Monthly Kange, = 31°-9. Mean of all the Highest 

 = 49''-0. Mean of all the Lowest = 35°-5. Ditterence, or Mean Daily Range, =13° '5. 

 Mean Temperature of Month = 42^-2. 



Hygrometer. — Mean of Dry Bulb = 43°-6. Mean of Wet Bulb=40''-4. 



Rainfall.— Numljer of Days on whieli Rain fell = ll. Amount of Fall, in inches, 



= 0-227. 



A. D. RICHARDSON, Observer. 



