June 1895.] BOTANICAL SOCIETY OF EDINBURGH. 



435 



II. Meteorological Observations recorded at Eoyal 

 Botanic Garden, Edinburgh, during the Month of May 1895. 



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



Barometer. — Highest, 30 529 inches, on the 3nl. Lowest, 29-oS7 inches, on the 3Ist. 

 Jlonthly Range, 0942 inch. Mean, 30'043 inches, being 0-198 inch above the average for May 

 for four preceding years. 



Protected S. R. Thermometers.— Highest, 74°-2, on the 30th. Lowest, 39°-0, on the 2nd and 

 5th. Monthly Range, 30°'2. Mean of all the Highest, 60°-3. Me.in of all the Lowest, 44''-0. 

 Mean Daily Range, le'S. Mean Temperatiu-e of Month, 52°-l, being 2° -6 above the average for 

 May for four preceding years. 



Hygrometer. — Mean of Dry Bulb, 52° -3. Mean of Wet Bulb, 43°-4. Temperature of Dew- 

 point, 44"'-5. Mean Humidity, 74°-S /, . 



Radiation Thermometers.— Highest in Sun, 126°-0, on the 28th. Lowest on Grass, 2S°-0, on 

 the Sth and 11th. Frost occurred on Grass on 7 days. 



Sunshine. -^Total recorded for mouth, 186 hours 25 minutes, being 37-1 % of the possible 

 amount. The sunniest day was the 8th, with 11 hours 45 minutes, being 74-7 % of the possible 

 amount. None was recorded on 2 days. 



Rainfall. — Rain fell on 11 days. Total fall, rOOO inch, being 1-171 inch below the average 

 for May for four preceding years. Greatest fall in 24 hours, O'SSO inch, on the 2")th. 



A. D. RICHARDSOX, Observer. 



