Feb. 1S95.] BOTANICAL SOCIETY OF EDINBURGH. 



370 



II. Meteorological Observations recorded at Eoyal 

 Botanic Garden, Edinburgh, during the Month of January 

 ]895. 



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



Barometer.— Highest, 30-663 inches, on the 30th. Lowest, 28-927 inches, on the 24th. 

 Jlonthly Range, 1-736 inch. Mean, 29-671 inches, being 0-085 inch below the average for 

 January for four preceding years. 



Protected S. R. Thermometers.— Highest, 41°-4, on the 22nd. Lowest, 15°-4, on the 10th. 

 Montlily Range, 25°-3. Mean of all the Highest, 36°-5. Mean of all the Lowest, •26°-8. Mean 

 Daily Range, 9°-7. Mean Temperature of Month, 31°-6, being 5°-0 below the average for 

 January for four preceding years. Frost occurred on 25 days. 



Hygrometer.— Mean of Dry Bulb, 31°-1. Mean of Wet Bulb, 29°-9. Temperature of Dew- 

 point, 26°-7. Mean Humidity, S3-:j %. 



Radiation Thermometers.— Highest in Sun, 08° '2, on the 27th. Lowest on Grass, 10°-S, on 

 the 10th and 11th. Frost occurred on Grass on 30 days. 



Sunshine.— Total recorded for month, 36 hours 30 minutes, being 15-5 % of the possible 

 amount. The sunniest day was the 21st, with 5 hours 35 minutes, being 71-6 % of the possible 

 amount. None was recorded on 13 days. 



Rainfall.— Rain or snow fell on 21 days. Total Fall, 1-S50 inch, being 0-705 inch above the 

 average for January for four preceding years. Greatest fall in 24 hours, 0-280 inch, on the 17th. 



A. D. RICHARDSON, Observer. 



