Magnetic Declination, 1846. 



31 



TABLE LV. — Means of Westerly Declination at the Observation Hours, for each Month in 1846. 



Mean Time. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dee. 



Year. 



Gott. 



Mak. 



h. 



ii. 



25" 



•J5° 



25° 



25° 



25° 



25° 



25° 



25° 



25° 



25° 



25° 



25° 



25° 



18 



17 



8-09 



6-61 



5-36 



4-01 



2-15 



1-70 



2-21 



2-58 



2-97 



2-85 



2-83 



2-28 



3-64 



20 



19 



916 



7-86 



5-10 



2-80 



0-84 



1-46 



1-02 



3-18 



4-04 



3-96 



3-28 



303 



3-81 



22 



21 



9-52 



912 



5-12 



4-60 



4-43 



3-68 



3-80 



4-05 



7-48 



4-48 



3-14 



3-33 



5-23 



23 



22 



10-30 



9-75 



8-04 



6-38 



7-37 



6-61 



6-80 



7-48 



9-64 



6-35 



4-81 



4-15 



7-31 







23 



11-48 



11-08 



11-58 



10-92 



10-76 



9-09 



10-41 



10-62 



11-60 



9-00 



6-79 



5-37 



9-89 



1 







11-79 



11-50 



14-10 



13-86 



12-71 



11-40 



12-35 



12-79 



12-45 



10-78 



8-57 



6-17 



11-54 



2 



1 



12-64 



11-75 



15-66 



15-38 



13-63 



12-87 



12-96 



13-20 



12-16 



11-10 



8-14 



6-43 



12-16 



4 



3 



10-82 



9-95 



11-47 



12-25 



10-99 



11-52 



10-83 



9-78 



806 



8-70 



6-12 



4-67 



9-60 



6 



5 



9-09 



7-77 



7-65 



7-56 



7-56 



8-18 



8-48 



5-96 



4-86 



3-54 



4-81 



3-42 



6-57 



7 



6 



7-37 



6-94 



6-45 



5-76 



6-71 



6-95 



6-99 



4-02 



3-48 



1-86 



3-75 



2-31 



5-22 



8 



7 



7-68 



7-21 



5-58 



3-92 



5-11 



6-35 



613 



4-22 



0-46 



2-19 



2-81 



202 



4-47 



10 



9 



610 



5-70 



5-36 



4-44 



4-22 



5-19 



4-25 



3-28 



2-63 



2-06 



-0-10 



0-66 



3-65 



TABLE LVI. — Diurnal Variations of Westerly Declination for each Month in 1846. 



Mak. 

 M. T. 



Jan. 



Feb. 



March. 



April. 



May. 



•June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



h. 



17 



1-99 



0-91 



0-26 



1-21 



1-31 



0-24 



119 



0-00 



2-51 



0-99 



2-93 



1-62 



0-00 



19 



306 



2-16 



000 



0-00 



0-00 



0-00 



0-00 



0-60 



3-58 



2-10 



3-38 



2-37 



0-17 



21 



3-42 



3-42 



0-02 



1-80 



3-59 



2-22 



2-78 



1-47 



7-02 



2-62 



3-24 



2-67 



1-59 



22 



4-20 



4-05 



2-94 



3-58 



6-53 



5-15 



5-78 



4-90 



9-18 



4-49 



4-91 



3-49 



3-67 



23 



5-38 



5-38 



6-48 



8-12 



9-92 



7-63 



9-39 



8-04 



1114 



7-14 



6-89 



4-71 



6-25 







5-69 



5-80 



9-00 



11-06 



11-87 



9-94 



11-33 



10-21 



11-99 



8-92 



8-67 



5-51 



7-90 



1 



6-54 



605 



10-56 



12-58 



12-79 



11-41 



11-94 



10-62 



11-70 



9-24 



8-24 



5-77 



8-52 



3 



4-72 



4-25 



6-37 



9-45 



10-15 



1006 



9-81 



7-20 



7-60 



6-84 



6-22 



4-01 



5-96 



5 



2-99 



2-07 



2-55 



4-76 



6-72 



6-72 



7-46 



3-38 



4-40 



1-68 



4-91 



2-76 



2-93 



6 



1-27 



1-24 



1-35 



2-96 



5-87 



5-49 



5-97 



1-44 



3-02 



0-00 



3-85 



1-65 



1-58 



7 



1-58 



1-51 



0-48 



1-12 



4-27 



4-89 



5-11 



1-64 



0-00 



0-33 



2-91 



1-36 



0-83 



9 



0-00 



0-00 



0-26 



1-64 



3-38 



3-73 



3-23 



0-70 



2-17 



0-20 



0-00 



0-00 



001 



