444 



Results of Makerstoun Observations, 1844. 



TABLE XL. — Hourly Means of the Estimated Extent of Clouded Sky for each Month in 1844. 



Mak. 

 M. T. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



h. 

 12 



5-3 



60 



6-1 



6-0 



5-7 



7-8 



6-5 



7-4 



6-2 



6-1 



7-7 



8-4 



6-60 



13 



6-0 



5-7 



6-3 



6-5 



6-2 



7-3 



70 



7-7 



5-7 



6-3 



7-9 



7-7 



6-69 



14 



5-5 



5-8 



6-3 



5-7 



6-4 



7-5 



7-5 



7-3 



5-7 



5-7 



8-1 



7-8 



6-61 



15 



5-2 



5-7 



5-2 



60 



6-7 



7-4 



7-7 



7-4 



6-0 



6-6 



8-1 



7-7 



6-64 



16 



4-5 



5-3 



4-8 



6-1 



71 



7-1 



7-6 



7-4 



6-5 



6-4 



7-9 



8-2 



6-57 



17 



5-0 



5-7 



5-2 



6-5 



7-2 



7-5 



7-3 



7-5 



7-1 



6-4 



8-5 



8-2 



6-84 



18 



52 



6-9 



5-9 



62 



7-4 



7-8 



7-7 



7-7 



7-4 



7-2 



8-5 



8-2 



717 



19 



6-0 



71 



6-5 



6-8 



7-7 



7-9 



8-2 



7-4 



7-8 



7-2 



8-5 



8-4 



7-46 



20 



6-6 



6-8 



6-2 



6-7 



7-9 



8-8 



8-5 



7-1 



7-5 



7-8 



9-2 



90 



7-67 



21 



6-4 



7-4 



6-3 



6-9 



7-5 



8-7 



9-0 



7-2 



7-4 



7-7 



9-2 



8-9 



7-72 



22 



6-0 



7-2 



6-8 



6-8 



7-4 



8-7 



8-7 



7-8 



7-6 



7-4 



9-3 



8-8 



7-71 



23 



5-9 



6-9 



6-8 



7-0 



7-4 



8-7 



8-8 



7-9 



7-2 



8-0 



8-9 



8-2 



7-64 







6-2 



6-6 



7-6 



6-8 



7-3 



8-4 



8-7 



7-5 



7-5 



7-9 



8-9 



7-8 



7-60 



1 



60 



6-9 



7-0 



7-4 



6-6 



8-0 



8-8 



7-7 



7-4 



7-9 



91 



7-8 



7-55 



2 



70 



71 



7-3 



6-6 



6-4 



8-1 



8-5 



7-9 



7-3 



7-8 



8-8 



7-9 



7-56 



3 



72 



7-2 



7-0 



6-7 



6-5 



8-5 



8-7 



7-9 



7-3 



7-3 



8-5 



8-0 



7-57 



4 



7-4 



7-1 



7-1 



6-6 



6-4 



8-6 



7-7 



7-7 



7-4 



7-4 



8-4 



7-5 



7-44 



5 



6-7 



7-8 



6-5 



6-7 



6-6 



8-6 



7-5 



7-5 



7-2 



7-6 



7-8 



7-4 



7-32 



6 



6-1 



7-0 



6-4 



6-7 



5-7 



8-6 



7-5 



7-6 



7-8 



6-9 



7-8 



7-1 



710 



7 



6-3 



6-7 



6-3 



6-6 



6-4 



8-6 



7-7 



71 



7-6 



6-3 



8-1 



7-2 



7-07 



8 



6-2 



5-9 



5-5 



6-8 



6-4 



7-9 



7-2 



6-6 



6-2 



6-2 



7-4 



7-1 



6-62 



9 



61 



5-8 



6-1 



6-0 



6-6 



8*3 



6-9 



6-9 



6-7 



5-7 



7-0 



8-1 



6-68 



10 



5-5 



5-5 



5-9 



5-5 



6-7 



8-3 



71 



6-0 



6-3 



6-2 



6-5 



8-0 



6-46 



11 



5-9 



5-8 



6-4 



6-3 



60 



8-0 



7-4 



6-3 



60 



6-9 



7-7 



7-7 



6-70 



TABLE XLL— Hourly Means of the Estimated Extent of Clouded Sky for each of the 

 Astronomical Quarters, and for the Year 1844. 



Mak. 

 M. T. 



Nov. 

 Dec. 

 Jan. 



Feb. 

 March 

 April. 



May 

 June 

 July. 



Aug. 

 Sept. 

 Oct. 



Year 

 1844. 



Mak. 

 M. T. 



Nov. 

 Dec. 

 Jan. 



Feb. 

 March 

 April. 



May 

 June 

 July. 



Aug. 

 Sept. 

 Oct. 



Year 

 1844. 



h. 

 12 



7-1 



6-0 



6-7 



6-6 



6-60 



h. 







7-6 



70 



8-1 



7-6 



7-60 



13 



7-2 



6-2 



6-8 



6-6 



6-69 



1 



7-6 



7-1 



7-8 



7-7 



7-55 



14 



7-1 



5-9 



7-1 



6-2 



6-61 



2 



7-9 



7-0 



7-7 



7-7 



7-56 



15 



7-0 



5-6 



7-3 



6-7 



6-64 



3 



7-9 



7-0 



7-9 



7-5 



7-57 



16 



6-9 



5-4 



7-3 



6-8 



6-57 



4 



7-8 



6-9 



7-6 



7-5 



7-44 



17 



7-2 



5-8 



7-3 



7-0 



6-84 



5 



7-3 



7-0 



7-6 



7-4 



7-32 



18 



7-3 



6-3 



7-6 



7-4 



7-17 



6 



70 



6-7 



7-3 



7-4 



710 



19 



7-6 



6-8 



7-9 



7-5 



7-46 



7 



7-2 



6-5 



7-6 



7-0 



7-07 



20 



8-3 



66 



8-4 



7-5 



7-67 



8 



6-9 



6-1 



7-2 



6-3 



6-62 



21 



8-2 



6-9 



8-4 



7-4 



7-72 



9 



7-1 



6-0 



7-3 



6-4 



6-68 



22 



8-0 



6-9 



8-3 



7-6 



7-71 



10 



6-7 



5-6 



7-4 



6-2 



6-46 



23 



7-7 



6-9 



8-3 



7-7 



7-64 



11 



7-1 



6-2 



7-1 



6-4 



6-70 



Diurnal Variation of the extent of Clouded Sky. — The maximum amount of clouded sky occurs gene- 

 rally two or three hours before noon, and minima about two hours before midnight and three or four hours 



