20 Report of the Kew Observatory Committee. 



Table I. — Hourly Means of the Declination, as determined from the 



Hours 



Preceding 



Mid. 



1. 



2. 



3. 



4. 



5. 



6. 



h 



Q 

 O. 



Q 



in 



XV. 



1 1 



XX. 





noon. 























(17° +) West 







Winter. 













1898. 





























Months. 







/ 







/ 

















Jan. . . 



6-1 



3'3 



3-5 



3-8 



3-9 



3-6 



3-4 



3-2 



3-0 



2-9 



3-0 



! 3-3 



4*8 



-C cU. . . 



6-0 



3-0 



3-2 



3-3 



O O 





3-3 



2-9 



2-8 



2-7 



2-4! 3 1 





March . 



5-4 



1-3 



1-3 



1-3 



1-2 



9 



1-0 



1-0 



0-8 



o-i 



-0-4! 0*5 



2-9 



Oct. .. 



4-8 



-1-7 



-1-6 



-1-5 



-1-5 



-1-5 



-1-7 



-1-7 



-2-5 



-3-3 



-3-0 



1-0-8 



1-8 



Nov. .. 



2-2 



-1-6 



-1-7 



-1-1 



-0*8 



-0-9 



-1-0 



-10 



-0-9,-0-9 



-0-8 



0-3 



1-5 



Dec. .. 



1-8 



-1-5 



-1-3 



-0-8 



-0-7 



-0-8 



-0-7 



-0-8 



-1-1 



-1-3 



-1-1-0-3 



1 



o-i 



Means 



4-4 



0-5 



0-6 



0-8 



0-9 



0, 



0-7 



0'6 



0*4 



o-o 



o-o 



|,0 



2-6 



Summer. 













/ 











i 









April . . 



6-2 



0-6 



0-8 



0*6 



0-5 



0-4 



o-i 



0-3 



-0-5 



-1-0 



-1 1 



0-5 



2-8 



May .. 



6-7 



1-5 



1-5 



1-2 



0-9 



0-2 



-0-8 



-2-3 



-3-4 



-3 -1 



-2-1 



1-4 



4-8 



J une . . 



5-7 



1 -1 



1-0 



0-9 



1-0 



-0-3 



-1-8 



-2-8 



-3-0 



-2-8 



-2-4 



-0-3 



2-9 



July . . 



5 3 



0-9 



0-3 



0-2 



-0-3 



-l'O 



-2 3 



-2-9 



-2-9 



-2'6 



-1 -6 



0-5 



2-7 



Aug. . . 



6-6 



o-o 



o-o 



-0-3 



-0-7 



-1-0 



-1-7 



-1-9 



-2-4 



-2-4! 



-0-9 



1-3 



3-4 



Sept. . . 



6 -4 



-0-3 



-0-5 



-0-9 



-0-8 



-1-4 



-1-8 



-2-3 



-2-4 



-2-3 



-1-6 



0-8 



3-2 



Means 



6'2 



0-6 



0-5 



0-3 



0, 



-0*5 



-1-4 



-2-0 



-2-4 



-2-4 



-1-6 



0-7 



3-3 



Table II. — Diurnal Inequality of the 



Hours 



Mid. 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 



10. 



11. 





Summer Means. 





-0-7 



-0-8 



-i'o 



/ 



-1-2 



-1-8 



-2-7 



-3 3 



-3-7 



-3-7 



-2-9 



-0-6 



/ 



+ 2-0 



Winter Means. 





-1-0 



-0-9 



-0-6 



-0-6 



-0-7 



-0-7 



-0-9 



-1-1 



-1-4 



/ 



-1-4 



-0-4 



+ 1-2 



Annual Means. 





/ 



-0-8 



-0-8 



-0-8 



-0-9 



-1-3 



-1-7 



-2-1 



-2-4 



-2-6 



-2-2 



-05 



+ 1-6 



Note. — When the sign is + the magnet • 



