72 



Results of the Makerstoun Observations, 1846. 



TABLE LI. — Mean Pressure of Aqueous Vapour at the Observation Hours for each Month, for 

 each Astronomical Quarter, and for the Year 1846. 



Makerstoun 



17h. 



IQi-. 



21t. 



23". 



l". 



3". 



S". 



7^. 



D". 



Mean Time. 























in. 



in. 



in. 



in. 



in. 



in. 



in. 



in. 



in. 



January 



238 



242 



242 



0-259 



0-267 



261 



252 



246 



247 



February 



238 



234 



248 



•255 



•258 



252 



247 



243 



243 



March 



210 



215 



228 



•234 



•225 



220 



221 



217 



215 



April 



238 



252 



254 



•258 



•265 



264 



263 



257 



254 



May 



289 



296 



297 



•300 



-311 



306 



305 



305 



294 



June 



381 



414 



421 



•402 



•407 



412 



418 



431 



419 



July 



406 



419 



427 



•435 



•437 



438 



434 



427 



415 



August 



408 



433 



460 



•463 



•469 



468 



460 



451 



431 



September 



350 



378 



418 



•427 



•438 



436 



419 



405 



389 



October 



285 



288 



315 



•335 



•332 



324 



311 



302 



294 



November 



261 



251 



259 



•274 



•273 



269 



267 



266 



266 



December 



176 



179 



186 



•191 



•196 



192 



186 



183 



181 



Nov., Dec, Jan., ; 



225 



224 



229 



•241 



•245 



241 



235 



232 



231 



Feb., Mar., Apr., 



229 



234 



243 



•249 



•249 



245 



244 



239 



237 



May, June, July, 



359 



376 



382 



•379 



•385 



385 



386 



388 



376 



Aug., Sept., Oct., 



348 



366 



398 



•408 



•413 



409 



397 



386 



371 



The Year 



290 



300 



313 



-319 



•323 



320 



315 



311 



304 



TABLE LIL— Mean Relative Humidity of the Air for each Week-Day and Week in 1846, 



Saturation being = 1. 



Civil 

 Day. 



Jan. ] 



^eb. M 



arch. A 



pril. ft 



[ay. J 



une. J 



uly. J 



iug. S 



ept. ( 



)ct. ]V 



fov. Dec. 



1 



0-757 [0 



851] [0 



843] 



899 



867 



639 



838 



898 



793 



872 [0 



898] 



898 



2 



•831 



807 



784 



851 



670 



715 



742 [ 



892] 



840 



886 



837 



877 



3 



•891 



865 



899 



849 [ 



827] 



661 



863 



835 



850 



829 



889 



899 



4 



[ -854] - 



881 



807 



878 



881 



639 



816 



821 



870 [ 



852] 



883 



895 



5 



•906 



807 



841 [ 



862] 



879 



603 [ 



810] 



892 



872 



859 



930 ! 



865 



6 



•896 



878 



896 



816 



850 



575 



896 



811 [ 



854] 



827 



873 [ 



890] 



7 



-846 



783 



813 



855 



739 [ 



711] 



689 



980 



847 



842 



901 



835 



8 



•883 [ 



852] [ 



849] 



926 



680 



865 



857 



919 



861 



878 [ 



929] 



943 



9 



•872 



879 



874 



828 



742 



791 



942 [ 



861] 



822 



919 



944 



904 



10 



•850 



929 



797 



815 [ 



733] 



795 



790 



843 



807 



868 



954 



796 



11 



[ -900] 



834 



872 



908 



710 



737 



744 



830 



838 [ 



871] 



970 



798 



12 



•922 



866 



850 [ 



871] 



699 



746 [ 



820] 



784 



887 



892 



926 



875 



13 



■952 



837 



760 



846 



831 



713 



831 



871 [ 



872] 



753 



903 [ 



846] 



14 



-922 



770 



772 



846 



785 [ 



701] 



795 



769 



911 



914 



885 



855 



15 



-932 [ 



815] [ 



802] 



981 



740 



705 



816 



916 



882 



946 [ 



891] 



890 



16 



•990 



821 



800 



894 



741 



667 



858 [ 



872] 



905 



963 



857 



865 



17 



-956 



806 



701 



952 [ 



777] 



637 



837 



865 



861 



966 



904 



909 



18 



[ -933] 



791 



928 



878 



889 



756 



-844 



932 



838 [ 



931] 



874 



898 



19 



•916 



801 



875 [ 



884] 



730 



•714 [ 



832] 



878 



898 



925 



858 



954 



20 



•898 



820 



879 



822 



777 



795 



798 



927 [ 



862] 



890 



846 [ 



923] 



21 



•905 



895 



893 



895 



859 [ 



770] 



895 



857 



810 



899 



859 



972 



22 



•986 [ 



856] [ 



884] 



866 



835 



629 



759 



867 



811 



905 [ 



895] 



906 



23 



•970 



885 



883 



860 



867 



940 



871 [ 



860] 



954 



715 



903 



900 



24 



-957 



885 



891 



934 [ 



785] 



786 



743 



839 



953 



903 



933 



902 



25 



[ -919] 



853 



881 



885 



760 



808 



767 



834 



■855 [ 



886] 



•972 



866 



26 



•920 



-837 



874 [ 



818] 



654 



850 [ 



835] 



839 



932 



943 



871 



933 



27 



-820 



•840 



777 



716 



734 



782 



875 



787 [ 



■929] 



960 



•888 [ 



932] 



28 



-860 



•890 



849 



738 



633 [ 



809] 



828 



•856 



981 



891 



893 



932 



29 



-832 



[ 



822] 



778 



681 



•742 



-928 



895 



967 



946 [ 



883] 



979 



30 



-805 





•743 



814 



692 



•836 



-957 [ 



■836] 



886 



957 



•874 



982 



31 



-915 





789 



r 



670] 





■951 



845 





879 





985 



I 



>!A 



