164 



MR THOMAS HEATH ON 



Table I. — continued. 



Date. 



h 



t 



i 



t 



! 



t 



i 



h 



Air. 



















Surface 







Each 



Monthly 



Each 



Monthly 



Each 



Monthly 



Each 



Monthly 



Theorem. 



Each 





Reading. 



Mean. 



Reading. 



Mean. 



Reading. 



Mean. 



Reading. 



Mean. 



Each 

 Reading. 



Reading. 



1893. 























April 3 . . . 



45-47 





42-98 





41-60 





42-05 





45-1 



49-3 



10 

 17 



45-39 

 45-32 



45-36 



43-04 

 43-13 



43-11 



42-40 

 42-80 



42-52 



42-75 

 43-05 



43-01 



42-7 

 38-4 



43-9 

 39-6 



24 



45-25 





43-28 





43-30 





44-20 





44-9 



49-1 



May 1 . . . 



45-19 





43-44 





44-20 





45-09 





43-0 



46-0 



8 



45-17 





43-69 





44-60 





45-95 





47-5 



487 



15 



45-14 



45-15 



43-93 



43-97 



45-69 



45-73 



47-98 



47-41 



51-3 



52-1 



22 



45-12 





44-23 





46-66 





48-44 





50-7 



55-5 



29 



45-12 





44-57 





47-48 





49-61 





50-7 



48-1 



June 5 . . . 



45-14 





44-94 





47-99 





49-85 





52-8 



57-4 



12 

 19 



45-14 



45-20 



45-18 



45-29 

 45-67 



45-50 



4876 

 49-95 



49-38 



50-90 

 53-67 



51-64 



54-7 

 62-5 



58-5 

 67-4 



26 



45"25 





46-10 





50-84 





52-15 





51-2 



54-4 



July 3 . . . 



45-32 





46-56 





50-80 





52-81 





56-6 



57-8 



10 



45-40 





46-90 





51-10 





53-10 





56-0 



58-8 



17 . . . 



45-50 



45-51 



47-22 



47-20 



51-26 



51-25 



52-70 



52-92 



53-9 



57-0 



24 



45-62 





47-54 





51-50 





53-06 





57-9 



62-4 



31 



45-73 





47-77 





51-59 





52-95 





53-1 



57-0 



Aug. 7 



45-85 





48-01 





51-52 





52-47 





54-5 



58-0 



14 

 21 



45-99 

 46-10 



46-04 



48-25 

 48-45 



48-37 



52-20 

 53-39 



52-55 



54-56 



56-20 



54-33 



60-5 



58-7 



65-9 

 60-8 



28 



46-22 





48-76 





53-10 





54-09 





52-4 



55-8 



Sept. 4 . . . 



46-35 





49-05 





52-70 





53-88 





55-2 



59-1 



11 

 18 



46-46 

 46-58 



46-52 



49-17 

 49-30 



49-20 



52-51 

 51-89 



52-02 



52-61 

 52-40 



52-15 



48-4 

 53-4 



51-3 

 56-7 



25 



46-69 





49"28 





51-00 





49-72 





45-0 



44-6 



Oct. 2 



46-83 





49-28 





50-01 





49-20 





48-4 



52-6 



9 



46-94 





49-12 





4920 





48-18 





44-8 



46-6 



16 



47-06 



47*04 



48-97 



48-95 



48-69 



49-09 



48-39 



48-42 



53-4 



56-7 



23 



47-15 





48-76 





49-04 





49-21 





47-0 



49-0 



30 



47-20 





48-62 





48-51 





47-12 





38-9 



38-9 



Nov. 6 . . . 



47-26 





48-50 





46-92 





44-00 





36-5 



37-0 



13 

 20 



47-31 

 47-34 



47-32 



48-22 

 47-85 



48-02 



45-60 

 45-05 



45-41 



43-60 

 42-51 



43-03 



40-0 

 46-6 



41-0 

 37-8 



27 



47-37 





47-50 





44-06 





42-00 





37-6 



42-8 



Dec. 4 . . . 



47-39 





47-16 





44-17 





42-09 





42-9 



47-0 



11 



18 



47-35 



47-32 



47-34 



46-83 

 46-59 



46-72 



43-94 

 43-10 



43-56 



4171 

 42-00 



41-90 



37-0 

 41-5 



37-9 

 44-7 



25 



47-28 





46-29 





43-05 





41-80 





40-3 



40-4 



1894. 























Jan. 1 



47-21 





46-03 





43-30 





42-61 





37-8 



36-1 



8 



47-13 





45-81 





42-40 





39-20 





30-7 



30-8 



15 



47-08 



47-07 



45-60 



45-60 



41-59 



42-23 



40-49 



40-69 



38-6 



37-9 



22 



47-00 





45-48 





42-10 





41-15 





38-1 



39-1 



29 



46-93 





45-08 





41-75 





40-00 





34-4 



35-1 



Feb. 5 



46-85 





44-87 





41-21 





40-02 





39-0 



40-0 



12 

 19 



46-75 

 46-65 



46-70 



44-64 

 44-46 



44-56 



41-71 

 41-05 



41-17 



40-60 

 39-04 



39-69 



38-3 

 33-0 



38-1 

 33-0 



26 



46-57 





44-27 





40-70 





39-09 





38-2 



43-9 



Mar. 5 



46-45 





44-05 





40-79 





39-61 





37-2 



39-0 



12 

 19 



4636 

 46-28 



46-31 



43-86 

 43-74 



43-81 



40-89 

 40-60 



40-94 



39-99 

 39-50 



40-18 



36-6 

 43-9 



39-1 



487 



26 



46-17 





43-61 





41-50 





41-60 





41-2 



43-9 



