348 



REMARKS ON THE ST. MARTIN, ISLE JESUS, METEOROLOGICAL REGISTER 

 POR APRIL, 1859. 



, Tligliest, the 9tli day 30.160 



r, 1-^ 3 Lowest, the 24th day 28.928 



Barometer < jyionthly Mean 29.638 



(.Monthly Range , 1.232 



(-Highest, the 29th day 76°S 



„, , 3 Lowest, the 10th dav 16°1 



Thermometer ...jjjj^j^^ljl'yjjg^^ ; ggogs 



^Monthly Range 60°a 



Greatest Intensity of the Sun's Rays 82°3 



Lowest point of Terrestrial Radiation 26°0 



Mean of Humidity 792 



Rain fell on 9 days, amounting to 4.422 inches ; it was raining 41 hours and 48 minutes. 



Snow fell on 4 days amounting to 3.97 inches ; it was snowing 18 hours and 15 minutes. 



The most prevalent wind was W. by S. 



The least prevalent wind N. 



The most windy day was the 5th; mean miles per hour, 34.17. 



The least windy day was the 28th; mean miles per hour, 1.71. 



Aurora Borealis visible on eight nights. 



The electrical state of the atmosphere has indicated high tension. 



Ozone was in rather large quantity. 



First Steamer at Montreal 4th day. 



Swallows (Hirundo rufa) first seen 19th day. i 



Frogs {Sana Fontinalis) first heard 21si day. 



REMARKS ON THE ST. MARTIN, ISLE JESUS, METEOROLOGICAL REGISTER 



FOR MAT, 1859. 



f Highest, the 3rd day 30.187 



Barometer .? Lowest, the 27th day , 29.491 



Barometei < Monthly Mean 29.834 



\> Monthly Range 0.696 



/• Highest, the 27th day 99°.2 



Thprmnmetpr 3 Lowest, the 1st day „ -SO^.a 



inermometer... ". Monthly Mean 59°42 



V Monthly Range 69°.0 



Greatest intensity of the Sun's Rays 104°. 6 



Lowest point of Terrestrial Radiation 25°. 2 



Mean of Humidity . .708 



Amount of evaporation 2.93 inches. 



Rain fell on 9 days amounting to 3.856 inches ; it was raining 52 hours 5 minutes, and was 

 accompanied by thunder on 3 days. 



The most prevalent wind was S. B. 



The least prevalent wind N. 



The most windy day the 22nd ; mean miles per hour 9.34, 



The least windy day the 5th ; mean miles per hour 0.27. 



Aurora Borealis visible on 2 nights. 



Lunar Halo visible on 1 night. 



Solar Halo visible on 1 day. 



Frost on 3 mornings the 1st, 30th and 31st. 



Humming birds first seen the 18th. 



Lampyris Corusca (Fire flies) first seen the 24th. 



Alosa (Shad) first caijght the 23rd. 



