358 Report of the Kew Observatory Committee. 



Table III. — Hourly Means of the Horizontal Force in C.G.S. units (corrected 



(The Mean for the 



Hours 



Preceding 



Mid. 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 



10. 



11. 







noon. 























0-18000 + 









"Winter. 



















1899. 































Months. 































Jan. . . . 



381 



381 



382 



382 



384 



386 



388 



388 



388 



387 



380 



381 



381 





Feb. ... 



380 



385 



384 



383 



384 



385 



386 



388 



389 



388 



383 



381 



380 





March . . 



374 



383 



383 



382 



381 



383 



387 



386 



387 



381 



373 



368 



367 





Oct. ... 



387 



405 



406 



405 



405 



405 



407 



406 



405 



398 



392 



387 



387 





Nov. . . . 



400 



402 



403 



404 



407 



409 



410 



410 



407 



402 



398 



394 



392 





Dec. . . . 



404 



407 



406 



407 



409 



410 



411 



411 



411 



410 



408 



406 



405 





Means. . 



388 



394 



394 



394 



395 



396 



398 



398 



398 



394 



389 



386 



385 





Summer. 





April . . . 



363 



386 



386 



386 



387 



386 



388 



386 



383 



378 



372 



366 



362 





May ... 



370 



394 



393 



393 



390 



390 



387 



384 



376 



367 



362 



361 



363 





June . . . 



376 



399 



397 



396 



395 



394 



395 



391 



387 



381 



377 



376 



377 





July . . . 



381 



397 



396 



396 



397 



397 



395 



391 



388 



383 



381 



379 



380 





Aug. . . . 



388 



401 



400 



400 



399 



398 



395 



392 



386 



380 



375 



376 



379 





Sept 



381 



404 



405 



404 



403 



402 



401 



397 



390 



383 



374 



371 



376 





Means. . 



377 



397 



396 



396 



395 



394 



393 



390 



385 



379 



374 



372 



373 





Table lY. — Diurnal Inequality of the 



Hours 



Mid. 





2. 



3. 



4. 



5. 



6. 



7. 



8. 9. 



10. 



11. 





Summer Means. 





+ •00005 



+ -00004!+ -00004 



+ -OOOOs' + -00002 



+ -00001 



- -00002 



- -00007 



- -00013 



- -00018 



- -00020 



- -00019 



Winter Means. 





- -00001 



- -00001 



- -00001 



•00000 



+ •00002!+^00004 



+ -00004 



+ '00003 



•00000 



- -00005 



- -00008 



- •OOOGO 



Annual Means. 





+ -000021 + -00002 



+ -00002!+ -00002 + -00002 



+ -00003 



+ -00001 



- '00002 - -00007 



- ^00012 



- -00014 



- -00014 



Note." 



.—When the sign is + the 



