338 Report of the Kew Committee. 



Table I. — Hourly Means of Declination, as 



Hours 



Mid. 



1. 



2. 



o 

 o. 



4. 



5. 



o. 



17 

 1 . 



Q 

 O. 



Q 



y. 



1U. 



11. 





(17° +) West. 





Winter. 















1 8Q2 



J-OJi. 



























Months. 





/ 















/ 









Jan. . . 



38-0 



37 -9 



37'6 



37 '4 



37-5 



37 6 



37*8 



38-0 



37-6 



37-9 



39-5 



41-4 



Feb. .. 



37-6 



37'4 



37 7 



37 '5 



37'9 



37-3 



38 "3 



38"2 



38 *3 



38 - 6 



40 *0 



41 - 6 



March . 



37-1 



37'3 



37-4 



37 *3 



37 -4 



37'8 



37-5 



36 -0 



35-2 



35-6 



37 5 



40-6 



Oct. .. 



32-3 



32-7 



32-9 



33-0 



32-8 



33'1 



32-6 



32-4 



31-3 



31-0 



32-6 



35-9 



Nov. . . 



32-9 



33 2 



33-2 



33 2 



33-1 



32 -7 



32-9 



32-9 



32-6 



32-3 



32 7 



34-7 



Dec. .. 



32-2 



32-5 



32-8 



32'9 



33-0 



33 2 



32 6 



32-8 



32 '7 



33-1 



34 -4 



35 '9 



Mean. 



35 -0 



35-2 



35-3 



35-2 



35 3 



35-3 



35-3 



35-1 



34 6 



34-8 



36-1 



38-4 



Summer. 









/ 

















/ 





April . . 



36-4 



36 2 



35 -7 



35-7 



35'4 



34-8 



33-9 



32*6 



31 -7 



31-9 



34-6 



37-4 



May . . 



37-0 



36-9 



36-7 



36 -2 



35 3 



33 7 



32'5 



31-8 



32 6 



34-4 



37-5 



40-5 



June .. 



36-1 



35-8 



35-8 



35 -7 



34-3 



32-3 



31-0 



30-6 



31 1 



330 



35 -9 



39-4 



July .. 



37-1 



36-8 



35-7 



35 '4 



34-5 



32-5 



31*3 



31 -4 



31 2 



32-3 



34-5 



37-7 



Aug. .. 



35 -6 



35-4 



35 5 



34-6 



34-2 



33 -1 



31 '6 



30-9 



312 



33-1 



36 -7 



40-1 



Sept. . . 



35-3 



35-1 



34-8 



34 5 



34-1 



33-6 



32 7 



32-4 



32-6 



34-6 



38 -2 



41-3 



Mean. 



36-3 



36-0 



35-7 



35-4 



34-6 



33-3 



32 2 



31-6 



317 



33-2 



36 -2 



39 '4 



Table II. — Solar Diurnal Range of the Kew 



Hours J 



Mid. 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 



10. 



11. 



Summer Mean, 

























/ 







-0-5 



-0-8 



-1-1 



-1-4 



-2-2 



-3-5 



-4-6 



-5-2 



-5-1 



-3-6 



-0-6 



+ 2-6 



Winter Mean. 





/ 









/ 















/ 





-1-7 



-15 



-1-4 



-1-5 



-1-4 



-1'4 



-1-4 



-1-6 



-2-1 



-1-9 



-0-6 



+ 1-7 



Annual Mean. 























/ 









-1-1 



-1-2 



-1-3 



-1-5 



-1-8 



-2*5 



-3-0 



- 3*4 



-3-6 



-2-8 



|-0-6 



+ 2-2 



Note. — When the sign is + the magnet 



