160 



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

 EOR DECEMBER. 



( Highest the 18th day 30.748 



-„ . ) Lowest the 14th day 28.720 



Barometer < Monthly Mean 29 . 836 



^.Monthly Range 2.028 



(Highest the 12th day 35°2 

 Lowest the ISth clay —24°. 2 

 Monthly Mean , 10°45 

 Monthly Range 59°4 



Mean of Humidity 850 



Greatest Intensity of the Sun's Rays ! 84°9 



Lowest Point of Terrestrial Radiation — 25°. 1 



Rain fell on 2 days, amounting to 0.-467 inches ; it was raining 17 hours and 55 minutes. 

 Snow fell on 9 days, amounting to 18.64 inches ; it was snowing 51 hours 20 minutes. 

 Most prevalent wind, N E by E — 1257 miles. Least prevalent wind, S W by "W — 7 miles. 

 Most windy day, the 4th day ; mean miles per hour, 25.00. 

 Least windy day, the 2nd day ; mean miles per hour, 0.36. 

 Most windy hour, from 3 to 4, A. M., 4th day ; velocity 38.40 miles. 

 There were 78 hours and 40 minutes calm during the month. 

 There were 5 cloudless days in the month. 



The total amount of miles traversed by the wind was 6628.20, which being resolved into the 

 Four Cardinal Points, gives N 464.70 miles. S 458.50 miles, W 4387 miles, and E 1318 miles. 

 Aurora Borealis visible on 3 nights. 

 Zodiacal Light visible. 



The electric state of the atmosphere has indicated very high tension. Electrometers con- 

 stantly affected. 



Ozone was in moderate quantity. 



Distant flash of Lightning in the S. E. at 8.15 P.M. 30th day. 



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



FOR JANUARY. 



Highest, the 18th day 30.431 



Barometer 1 J*> w est, the 11th 29.506 



< Monthly Mean 29.915 



Monthly Range 0.925 



Highest, the 23th day 27°. 9 



i Lowest, the 18th day :: ..—31.8 



* Monthly Mean 4°.05 



Monthly Range 59°. 70 



Greatest intensity of the Sun's Rays 78°. 4 



Lowest point of Terrestial Radiation — 32.4 



Mean of Humidity 849 



Rain fell on 1 day. Inapp. 



Snow fell on 11 days, amounting to 19.10 inches ; it was snowing 64 hours 50 minutes. 



The Aurora Borealis not visible. 



Zodiacal Light very bright. 



Lunar Haloes visible on 2 nights. 



The electrical state of the Atmosphere has indicated high and constant Tension. 



Ozo ne was in small quantity. 



