416 



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



FOR APRIL. 



^Highest, the 1st day .30.0*1 



n„„„„ t „ r ) Lowest, the 12th day 29.271 



Barometer j Monthly Mean 29.773 



(.Monthly Range 0*70 



(Highest, the 26th day :-• I' 



Ti, nmi An, n t , J Lowest, the 1st day 



Thermometer... K M ntI)h M( . al ^.^ 



(.Monthly Range 



Greatest Intensity of the Sun's Bays 107' 10' 



Lowest Point of Terrestrial Radiation - 



Amount of Evaporation 1.M in. 



Mean of Humidity BOO 



No snow fell during the month, winch is the only April on record hi 



Rain fell on 11 days, amounting to 2 830 inches; it was raining 37 hours 30 minuti 



The amount of rain which fell in the month is much below the usual quantity for April on re- 

 cord here, for in April, IS.'j.j, 1. 104 inches of rain fell, and 4.31 inches of snow ; and in April, 

 1851, 7.886 inches of rain fell, and 4-03 inches Of snOVf ; and in April, 1K5.3, 3.686 inches of 

 rain fell, and 1.60 inches of snow- 



The first rain which fell since the 22nd of December, was on the 3rd of April, making: a period 

 of 103 days without rain. The amount of evaporation is + the average, and the relative 

 humidity — the average amount. 



The most prevalent Wind was N E by E— 1699.00 miles. 



The least prevalent Wind was S \V by S— 3.00 miles. 



The most windy day was the 2ist ; mean miles per hour, 32.41. 



The least windy day was the 6th ; mean miles per hour, 0.40- 



Most windy hour, from 6 to 6 A. M. on the loth day — 3.660 miles. 



There were 2-17 hours calm during the month. 



The whole miles traversed by the wind was 1579.10 miles, which being resolved into the four 

 cardinal points, cives — 



N— 231.00 S— 110.00 W— 1644.00 E— 2586.10 



Ozone— was in large quantity, amounting to saturation, on the 2Sth day. 



Eclipse of the Moon visible on the morning of the 21st day. 



The electrical state of the atmosphere has indicated rather high tension. 



The Rossigno! first heard on the 6th day. , 



Swallows first seen on the 19th day. 



Frogs first heard on the 23rd day. 



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



FOR MAY. 



(Highest, the 1st day • 30.168 



Tl a ™mf>tAi. ) Lowest, the 28th day 29.092 



Barometer Wonthly Mean 29 727 



[Monthly Range 1.071 



i Highest, the 23rd day 

 Lowest, the 3rd day 30".00 

 Monthly Mean 52*.45 

 Monthly Range 58°.40 



Greatest Intensity of the Sun's Rays 110°.5 



Lowest Point of Terrestrial Radiation 



Mean of Humidity 735 



Amount of Evaporation 379 



Snow fell on 2 days, inapp. 



Rain fell on 13 days amounting to 5.973 inches ; it was raining 42 hours and 50 minutes, and 



was accompanied by thunder on 2 days. 

 Most prevalent Wind, the N. W. by N. 

 Least prevalent Wind, the E. by S. 



Most windy day, the 3rd day ; mean miles per hour 18J36. 

 Least windy day, the 27th day ; mean miles per hour, 0.49. 

 Most windy hour from 11 to 12, A. \t.. 31st day. 32.30 miles;— total miles traversed by the 



wind, 4540.00— which being resolved into the Four Cardinal Points, gives N 1115.00. 



S 481.00, E 1321.00, W 1323.00 miles, 

 Aurora Borealis visible on two nights. 



There were 179 hours calm during the month, and 4 days perfectly cloudless. 

 The electrical state of the atmosphere has been marked generally by moderate intensity. 

 Ozone — was in moderate quantity. 



