I 
MAGNETIC DECLINATION, 1845. 
TABLE XI.—Mean Difference of a Single Observation of the Magnetic Declination, from the Monthly 
Mean at the corresponding Hour, for each Civil Day and Week in 1845. 
3-00 | [1-94] 
1-35 | 1-22 
1-66 | 1-11 
[1:63] 
TABLE XI1.—Mean Difference of a Single Observation of the Magnetic Declination from the Monthly 
Mean at the corresponding Hour, with reference to the Moon’s Age and Declination, for 1845. 
After After 
Mean |Moon’s| Mean Moon Mean Moon Mean 
Difference.) Age. | Difference.,|/ farthest |Difference.| farthest | Difference, 
North. North. 
1:57 1-57 
1-72 1-78 
1-72 
1-61 
2:03 1-34 
1-82 
1-84 
2-02 1-62 
1-67 
2.28 
1-69 1-44 
1.40 2-11 
1-87 1-66 
1:78 1-32 
1-54 1-40 
1-69 1-75 
1-75 1-47 
1-65 1-48 
D 
OHOIAMHR WOR Os 
CONIA MPR wWWE OF 
