352 



SIR DAVID BREWSTER ON THE HOURLY 



MEAN RESULTS OF THE HOURLY REGISTER FOR 1826. 



The Mean Temperature of the Winter Months, viz. Dec. Jan. Feb. is 



,, ., of the Spring Months, viz. March, April, May, . 



,, ,, of the Summer Months, viz. June, July, August, 



,, ,, of the Autumn Months, viz. Sept. Oct. Nov. 



The Mean Temperature of the Year 1826, from 8760 observations, is 



40556 

 46135 

 58263 

 48818 



48-436 



TABLE I. — Containing the Daily and Monthly Mean Temperatures for 1826. 



Day. 



January. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



1 



32-94 



40-40 



4549 



46-48 



44-65 



5409 



62-04 



56-77 



56-46 



56-44 



43 54 



39-29 



2 



3777 



43-82 



41-40 



46-55 



4903 



49 88 



61-66 



52-96 



58-57 



5269 



43-21 



40-38 



3 



39-42 



47-92 



42-28 



51-29 



42-57 



51-33 



61-96 



56-50 



58-35 



51-78 



41-67 



36-38 



4 



3734 



43-26 



42-38 



49-65 



43-09 



52-84 



60-47 



56-58 



5790 



4755 



43-62 



35 00 



5 



3654 



4321 



3915 



50-21 



45-75 



52-69 



6094 



56-20 



53 25 



45-06 



46-41 



31-51 



6 



36-21 



47-54 



41-59 



50-40 



43-00 



58 88 



62-50 



5600 



53-58 



4773 



3908 



32-75 



7 



36-16 



42-77 



43-22 



49-33 



45-55 



53-97 



60-58 



59-97 



56-82 



55-53 



3908 



41-99 



8 



30-69 



46-84 



44-08 



53-87 



44-38 



54-92 



62-26 



58-42 



5404 



48-02 



3909 



44 09 



9 



24-36 



47-34 



54-57 



50-27 



44-26 



49-00 



5631 



54-86 



5268 



45-96 



38-37 



44-31 



10 



3098 



43-55 



59-20 



46-01 



48-40 



50-80 



57-47 



54-25 



54-20 



48-24 



44-22 



46 92 



11 



3126 



39-08 



50-57 



48-17 



4749 



54-33 



57-77 



55-86 



55-15 



51-27 



50-29 



50-01 



12 



29-45 



4375 



43-92 



47-50 



48-16 



6035 



55-46 



56-15 



56-50 



51-16 



41-80 



48-91 



13 



25-49 



45-60 



41-26 



46-31 



51-72 



62-35 



56-47 



60-40 



5902 



5041 



39-11 



46-76 



14 



20-94 



43-31 



39-65 



49-72 



5386 



5745 



52-38 



6217 



54 36 



49-15 



37-71 



44-25 



15 



22-03 



46-26 



41-18 



46-97 



54-38 



54-88 



53-85 



6196 



50-82 



5605 



38-72 



45-15 



16 



24-01 



46-79 



39-06 



46-10 



49-90 



51-51 



55-36 



60-51 



56-55 



54-85 



35-42 



4442 



17 



40-79 



42-04 



38-88 



46-99 



54-78 



55 14 



54-42 



61-58 



60-25 



52-37 



39-15 



4405 



18 



43-75 



37-00 



43-48 



47-65 



57-67 



56-99 



56-60 



69-75 



53-07 



48-26 



37*65 



4316 



19 



34-94 



38-75 



42-36 



50-67 



52-54 



55-34 



54-34 



68-23 



55-01 



48-55 



41-09 



3886 



20 



40-15 



39-17 



44-24 



53-73 



49-32 



57-47 



51-44 



62-44 



54 09 



52-76 



39-00 



39-99 



21 



43-30 



41-55 



43-22 



49-80 



52-27 



5463 



50-42 



59-72 



51 99 



5471 



39-70 



37-46 



22 



39-21 



48-06 



39-65 



49-27 



53-71 



52-27 



5014 



57-94 



52-16 



54-21 



42-97 



45-29 



23 



40-32 



39-65 



39-44 



44-45 



48-90 



56-52 



50-16 



63-74 



51-21 



5611 



45-38 



47-66 



24 



3776 



43-15 



39-22 



4316 



49-75 



6511 



53-94 



63-53 



52-87 



56-05 



38-94 



4760 



25 



40-95 



43-67 



36-92 



41-17 



51-31 



68-79 



57-60 



63-28 



53-90 



50-91 



35-87 



44-96 



26 



3815 



41-78 



36-71 



42-11 



46-32 



69-34 



5801 



60-04 



60-08 



4509 



34-52 



4012 



27 



38-37 



41-35 



40-60 



35-91 



50 28 



6411 



61-80 



60-26 



5905 



48-12 



31-48 



39 17 



28 



4009 



47-78 



44-91 



35-30 



51-47 



6701 



64-20 



59-87 



55-00 



4786 



38-99 



4265 



29 



41-16 





37-22 



37-85 



50-48 



64-31 



6209 



64-15 



58-57 



47-55 



42-72 



45-12 



30 



4372 





38-26 



41-44 



50-79 



64-66 



6246 



61 94 



61-31 



45-87 



43-88 



47-67 



31 



44-42 





41-46 



... 



5113 





61-69 



5767 





4426 



... 



47-58 



Mean -\ 

 Temp. 1 

 of each r 



35-570 



43-407 



42-438 



46-611 



49-269 



57365 



57-633 



59-792 



55-561 



50-470 



40-423 



42-692 



Month. ) 



























The Mean Temperature of 1826 is, by this Table, 48°436. 



