392 Meteorological Journal for October. 



Numerical Results for the Month. 

 Inches. 

 /Maximum 30-17, Oct. 14th— Wind N.E. 

 Barometer | Minimum 39.42, Ditto 25th— Wind W. 

 Range of the mercury . . 0*75. Inches. 



Mean barometrical pressure for the month 29'904 



for the lunar period ending the 1st irist. . 29*897 



. for 14 days, with the Moon in North declin. 29*919 



. for 15 days, with the Moon in South declin. 29*875 



for the lunar period ending the 30th inst. . 29*902 



. for 15 days with the Moon in North declin. 29*836 



for 14 days with the Moon in South declin. 29*969 



Spaces described by the rising and falling of the mercury 4*650 



Greatest variation in 24 hours 0*560 



Number of changes 28* 



rp. , ^Maximum 68° Oct. 11th, 13th, & 21st. 



Inermometer ^ Minimum 38 Do 5th _ W ind N . W . 



Range 30 



Mean temp, of the external air 56*26 



for 31 days with the 1 cq.i o 



Sun in Libra / 



Greatest variation in 24 hours 2 1 *00 



Mean temp, of spring water > '^ 



at 8 o'clock A.M. . . . / 55 ' 6 * 



T>e Luc's IVfialebone Hygrometer. 

 Degrees. 

 Greatest humidity of the air . 100 in evenings of 22d & 23d. 

 Greatest dryness of ditto ... 44 in the aftern. of the 6th. 



Range of the index 56 



Mean at 2 o'clock P.M. . . . 64*8 



at 8 o'clock A.M. . . . 74*1 



at 8 o'clock P.M. . . . 77*4 



of three observations each 1 ^, g> 



day at 8, 2, and 8 o'clock j 



Evaporation for the month 1*60 inch. 



Rain in the pluviameter near the ground . 2*225 



Rain in ditto 23 feet high 2*060 



Prevailing wind, N.W. 



Summary of the Weather. 

 A clear sky, 3 ; fine, with various modifications of clouds, 

 13; an overcast sky without rain, 10; rain, 5. — Total 31 days. 



Clouds. 



Cirrus. Cirrocumulus. Cirrostratus. Stratus. Cumulus. Cumulostr. Nimbus. 



16 9 27 2 20 27 16 



Scale of the prevailing Winds. 



N. N.E. E. S.E. S. S.W. W. N.W. Days. 



1 1 4i 4 1 7 5 7i 31 



A METEORO- 



