L 215 ] 



The preceding Table, as regards Temperature, and the Dew Point, is in terms of the Centigrade 

 Thermometer ; the following is a reduction of the same to Fahrenheit's scale. 



Temperature. I Hygrometer indicating Dew Point. 



1837- 





Mean at 



Mean of 









n Dew Point at 













Med. 



Morn. 

















^ot \ Morn. 











Jan.. 



50.9 





38.5 0 36.3 



40.8 



37-5 



38.2 





34-7 





7-3 











0.17 



Feb.. 









?8.7 



+ 5-7 



38.3 



40.9 





40. 1 





17.6 



39-68 1 38.5 











March 



55- + 

 49.4 



19.4 



37-94 35 • 8 



+2.3 



34.6 





61.7 









38.58j.34-2 









3-45 



April 



63.5 



23.0 



41.9541.5 



58.2 



37-7 







4 8.2 











36.3 







May. 



74-3 





49.6249.4 



44. 1 













53-44 46.9 



45-5 



42.9 











35- 6 



60.08 



61.5 







62.6 







55-4 





64.12 57-3 





54.6 







July. 





37-4 



63.1663.8 



"3-4 



59-9 







69.8 





3* • 1 



67.87 60.1 











Aug. 



86.9 



39- 2 



62.53 61 .8 





60.1 



64.2 







63.5 





67.41 60.1 



63.4 







3-15 



Sept. 



72.5 



35-o 



55.6856.. 



63.9 



S3.o 



57-7 



"Z 



68.0 



51.9 



29-3 



61. 6 4 55-° 



57-3 









Oct. . 



73-4 



27.1 



50.0c 



48.4 



58.3 



48.6 





s 9 .e 









54.58:48.4 





48.4 







Nov . 



55-4 





40.22 



37.8 



45-4 



39- 6 



40.9 



61.7 





50.9 



14.9 







39.6 







Dec. 



54-5 



23 ' 9 



41.3838.4 





4 1 -3 





59-9 





48.2 















Aver. 



66.83 



27.67 



48.5247.49 







49.49 



79-32 











47.96 









