503 



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



FOR JUNE. 



( Highest, the 5th .lav 30.010 



Barometer. h^t th, o.th day 29.202 



) Monthly Mean 29.653 



(.Monthly Range 0.808 



r Highest, the 21st day 94°.6 



Thermometer ) Lowest, the 1st day 41 ,0 



lnermomerer * "I Monthly Mean.. 66°.83 



(.Monthly Range 53°.6 



Greatest Intensity of the Sun's Hays 110°.2 



Lowest Point of Terrestrial Radiation 89°.l 



Amount of Evaporation 3.74 



Mean of Humidity 754 



Rain fell on 10 days, amounting to 4.323 inches— was accompanied by thunder and lightning 

 on 3 davs ; it was raining 23 hours and 50 minutes. 



Most prevalent Wind, the S W by \V — 1113 miles. 



Least prevalent Wind, N N E — 1 mile. 



Most windy day, the 26th ; mean miles per hour. 8.15. 



Least windy day, t'ie 2nd ; mean miles per hour, 0.65. 



Most windy hour, from 2 to 3, p.m., on the 4th— 20.10 miles. 



There were 168.40 hours calm during the month. 



Total distance traversed by the Wind, 3.130 miles; resolved into the Four Cardinal Points, 

 gives, X. 350 miles. S. Ttfs miles, W. 1430 miles, E. 582 miles. 



There was only one day perfectly cloudless. 



Aurora Borealis visible at observation hour on one night. 



The electrical state of the atmosphere has been marked by rather high tension. 



Ozone was in small quantity. 



REMARKS OX THE ST. MARTIN, ISLE JUSUS, METEOROLOGICAL REGISTER 



FOR JULY. 



.-Highest, the 22nd dav 29.086 



t, . 1 Lowest, the 18th day 2;>.351 



Barometer j Monthly Banger ' 



(.Monthly Mean 20.664 



(Highest, the 29th day 97°.l 



„, . _ ) Lowest, the 20th day 5l°.0 



Thermometer... • ;U:;llMlh K ^^. e 4£r] 



C Monthly Mean 72 s .15 



Greatest Intensity of the Sun's Rays 121°.4 



Lowest Point of Terrestrial Radiation 46°.7 



Amount of Evaporation .' 4.39 



Mean of Humidity 784 



Rain fell on 12 days, amounting to 0.373 inches— it was raining 21 hours 25 minutes, accom- 

 panied by thunder on 3 days. 

 Five days cloudless during the month. 

 Most prevalent Wind, S. W. by W. 

 Less prevalent Wind, S E- 



Most windy day, the 1st ; mean miles per hour, 18.96. 

 Least windy day, the 6th ; calm. 



Most winday hour, from 8 to 'J, ami., on the 1st, 26 miles per hour. 

 There were 171 hours and 20 minutes calm during the month. 

 Total amount of miles traversed by the Wind, 2884-20; which being resolved into the Four 



Cardinal Points, gives, N. 77ii miles ; S. 345 miles ; W. 1,652.20 miles j ]•:. ill miles, 

 Bright Meteor, at 0.30 p.m., on the 31st ; passing from the Scutum Sobiegi i t c > M Sagitarii 

 The Electrical state of the Atmosphere has been marked by moderate Intensity— maximum 



on the 30th, 365". in terms of Volta's Elcctronomcter, No. 1. 

 Ozone was in moderate quantity. 



