584. 



Table III, 



Daniel's Hygrometer, observed at 3 p.m., daily, and compared with the mean 



temperature. 



Monthly mean tem. 1 

 from Table II. j 



Temperature of \ _ 



dew point 



Difference between") 

 mean temperat. > 

 and dew pomt J 



Dryness (the point"! 

 of Saturation be- > 

 ing 1000; J 



Elasticity of vapour 



Weight of a cubic") 

 foot of vapour in [> 

 grains J 



AUTUMNAL PERIOD. 



Feb. March. April 



o 

 51-10 



41-31 



9-79 



711-8 



295-7 



3-3441 



o 



49-37 



40-75 



8-62 



736-42 



289-0 

 3-2801 



41-22 



34-83 



6-39 



809-9 



238-64 



2-7550 



BRUMAL PERIOD. 



May. 



June. 



July. 



o 



35-47 



o 



32-97 







33-03 



34-88 



30-28 



29-41 



0-59 



2-69 



3-62 



980-6 



903-8 



876-3 



239-04 



202-24 



196-46 



2-7926 



2-3731 



2-3048 



12 Days 

 of 



August. 



MEANS. 



Autum. Brumal. Au. &Br 



o 



33-25 



30-28 



2-97 



894-6 



202-2 



2-3421 



47-23 



38-96 



8-27 



752-71 



274-44 



3-1264 



o 



34-49 



31-52 



2-30 



920-23 



212-58 



2-4902 



o 



40 -SG 

 35-21 



836-47 

 243-51 



2-808.3 



Table IV. 





Months. 









Temperature. 



Dew Point, 



Range 



pressure. 



Air. 



Water. 



Hygrometer. 



Max.. 



Min. 



Range. 



Max. 



Min. 



Range 



Max. Min. 



Range 



Max. 



Min. 





inches. 



inches. 



inches. 



o 



































February 



30-087 



28-768 



1-319 



66 



28 



38-0 



52-5 



43-7 



8-8 



51-2 



31 



202 



March 



30-099 



29-004 



1-095 



68 



30-5 



37-5 



50-5 



41-5 



9-0 



47 



35 



12 



April 



30-055 



28-844 



1-211 



57-5 



28 



29-5 



47-8 



40-5 



7-3 



42 



27 



15 



May 



29-850 



28-795 



1-055 



49-5 



20-5 



29-0 



48-2 



42-8 



5-4 



43 



21 



22 



June 



30-079 



28-274 



1-805 



48-7 



19-2 



29-5 



47-0 



40-3 



6-7 



41-5 



20 



21-5 



July 



30-500 



28-942 



1-558 



44-2 



12-6 



31-6 



45-0 



41-8 



3-2 



39-7 



19 



20-7 



Auf^ust"^ 

 12 days / 



29-782 



28-709 



1-073 



49-2' 18-5 



1 



30-7 



43-1 



40-2 



2-9 



37-2 



20-5 



16-7 



