Veetical Component of Magnetic Force, 1845. 



21 



TABLE XXXVII.- 



-List of Days in each Month of 1845 upon which the Vertical Component 

 of Magnetic Force was least disturbed. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



1 



1 



3 



1 



2 



2 



2 



7 



6 



1 



4 



1 



2 



3 



4 



2 



3 



3 



3 



11 



11 



3 



7 



5 



3 



4 



5 



4 



5 



6 



4 



12 



15 



6 



8 



6 



4 



7 



6 



5 



6 



7 



5 



13 



16 



7 



10 



8 



6 



8 



7 



7 



9 



12 



12 



14 



20 



8 



12 



9 



7 



10 



8 



11 



13 



13 



14 



16 



22 



11 



13 



10 



8 



11 



11 



12 



21 



14 



15 



19 



23 



13 



14 



11 



13 



12 



12 



17 



23 



16 



17 



20 



29 



15 



15 



12 



15 



14 



13 



22 



24 



17 



18 



21 





16 



19 



15 



17 



15 



28 



23 



26 



19 



21 



22 





17 



20 



16 



18 



17 



31 





27 



20 



22 



23 





18 



21 



17 



21 



18 







29 



21 



23 



27 





23 



22 



18 



31 



19 









23 

 25 

 26 



27 



26 

 29 

 30 

 31 







24 

 27 

 30 



24 

 25 



27 



28 



19,20 

 22,23 

 24,26 

 27,29 



TABLE XXXVIII. — Hourly Means of the Balance Magnetometer Micrometer Readings corrected 

 for Temperature, for the least disturbed days in each Month of 1845, corrected so that the Mean 

 of each Monthly Series equals the true Monthly Mean. 



Mak. 

 M. T. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



h. 



Mic. Div. 



Mic.Diy. 



Mic. Div. 



Min. Div. 



Mic. Div. 



Mic. Dir, 



Mic. Div. 



Mic. Div. 



Mic. Div. 



Mic. Div. 



Mic. Div. 



Mic. Div. 



Mic. Div. 



12 



588-3 



559-8 



542-7 



526-2 



513 



9 



496-6 



468-5 



454-4 



4410 



421-0 



424-5 



428-8 



488-8 



13 



587-9 



558-3 



543-6 



528-0 



514 



6 



497-4 



468-4 



454-4 



439-9 



422-0 



424-3 



427-9 



488-9 



14 



587-5 



556-2 



545-1 



531-8 



516 



8 



499-9 



470-2 



456-5 



444-8 



423-5 



422-7 



426-0 



490-1 



15 



586-3 



556-8 



544-8 



533-3 



519 



5 



505-2 



472-0 



459-0 



444-7 



423-1 



422-7 



425-0 



491-0 



16 



585-3 



557-2 



545-0 



533-3 



523 



5 



510-6 



476-2 



463-2 



446-9 



423-2 



422-0 



424-0 



492-5 



17 



583-3 



557-5 



545-7 



534-5 



525 



5 



514-6 



478-1 



466-1 



447-3 



422-5 



422-3 



423-7 



493-4 



18 



584-5 



556-6 



546-3 



536-9 



525 



6 



517-8 



479-9 



469-7 



4510 



423-2 



4221 



425-0 



494-9 



19 



584-9 



557-1 



548-0 



5421 



526 



8 



517-6 



477-6 



4731 



457-5 



426-8 



423-6 



425-4 



496-7 



20 



586-3 



557-8 



550-5 



545-1 



522 



3 



517-0 



477-5 



470-0 



459-3 



429-0 



427-3 



427-0 



497-4 



21 



585-3 



557-9 



550-0 



543-9 



518 



3 



510-3 



473-3 



470-2 



458-7 



430-6 



428-0 



428-1 



496-2 



22 



587-8 



559-4 



448-5 



541-5 



512 



2 



501-9 



473-0 



465-3 



456-7 



428-6 



428-3 



428-1 



494-3 



23 



589-5 



559-1 



544-0 



534-1 



507 



3 



491-7 



466-3 



459-2 



454-0 



428-4 



431-3 



430-1 



491-2 







589-7 



560-4 



540-8 



527-6 



503 



9 



488-7 



462-5 



457-6 



449-1 



428-9 



435-2 



432-4 



489-7 



1 



593-4 



561-7 



542-1 



529-8 



509 



4 



491-3 



463-2 



460-3 



454-8 



431-9 



437-5 



434-3 



492-5 



2 



596-6 



564-9 



545-7 



535-2 



515 



7 



494-9 



466-3 



465-8 



464-8 



4380 



440-7 



439-3 



497-3 



3 



597-9 



569-3 



551-8 



538-7 



522 



6 



498-9 



473-6 



471-8 



470-1 



444-5 



442-0 



442-9 



502-0 



4 



598-0 



570-7 



556-0 



540-3 



526 



8 



504-6 



480-0 



476-5 



469-7 



448-9 



441-7 



441-6 



504-6 



5 



595-7 



569-8 



555-9 



541-1 



529 



6 



506-4 



483-4 



476-2 



464-8 



447-4 



439-9 



439-8 



504-2 



6 



595-2 



568-4 



553-8 



542-2 



529 



3 



507-7 



484-3 



471-7 



459-5 



443-7 



438-1 



439-2 



502-8 



7 



596-6 



566-4 



551-6 



542-9 



526 



2 



506-5 



482-8 



465-7 



454-9 



440-2 



436-3 



437-2 



500-6 



8 



595-8 



565-6 



551-8 



540-1 



523 



6 



505-5 



480-4 



462-5 



453-6 



436-2 



435-2 



435-2 



498-8 



9 



595-4 



565-1 



548-1 



537-3 



518 



8 



5020 



476-1 



460-4 



452-3 



431-4 



432-3 



432-3 



496-0 



10 



591-7 



562-7 



545-7 



533-0 



515 



5 



498-4 



472-8 



458-3 



445-9 



428-1 



430-8 



432-2 



492-9 



11 



587-9 



559-6 



543-1 



528-3 



513-4 



495-8 



468-7 



454-7 



439-7 



423-1 



428-3 



429-3 



489-3 



MAG. AJfD MET. OBS, 1845 AND 1846. 



