42 



Results of Makerstoun Observations, 1845, 



TABLE I. — Daily and Weekly Means of the Temperature of the Air, as deduced from the readings 



of the Dry Bulb Thermometer, for 1845. 



Civil 

 Day. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 





o 



o 







» 



o 



o 



c 



o 



















1 



30-2 



28-9 



31-4 



42-9 



50-5 



[50-2] 



52-5 



54-2 



60.6 



49.5 



46-2 



39-8 



2 



32-6 



[27-4] 



[32-3] 



42-0 



48-5 



55-2 



551 



56.1 



52.8 



49.4 



[41.7] 



37-2 



3 



351 



370 



35-5 



38-6 



47-7 



53-7 



53-5 



[55.3] 



49-6 



45-9 



38.6 



33-4 



4 



38-5 



34-8 



30-9 



38-4 



[46-0] 



49-2 



550 



56.2 



51.5 



44.2 



329 



34.5 



5 



[36-3] 



37-9 



27-5 



39-8 



42-6 



54-7 



55-6 



55-9 



49.8 



[45.2] 



37.9 



396 



6 



42-1 



29-5 



30-4 



[40-5] 



44-3 



54-8 



[56-4] 



561 



47-7 



39-8 



510 



369 



7 



33-4 



28-1 



36-7 



45-2 



42-2 



55-3 



59-8 



56-7 



[51-7] 



45-7 



49-8 



[379] 



8 



36-3 



27-6 



39-8 



42-4 



41-6 



[56-5] 



57-8 



57.0 



520 



460 



48-8 



36-8 



9 



32-8 



[30-0] 



[34-5] 



38-9 



42-5 



52-8 



56-6 



532 



57-4 



45.4 



[45.3] 



40-9 



10 



39-7 



341 



40-2 



390 



44-4 



590 



591 



[54-8] 



519 



44.5 



43-0 



385 



11 



41-5 



30-2 



31-9 



38-6 



[44-7] 



62-4 



52-4 



55.6 



505 



45.5 



4M 



42-4 



12 



[37-3] 



30-7 



27-9 



39-0 



47-7 



64-5 



51-3 



52-9 



53-2 



[49-5] 



38-3 



34-4 



13 



34-4 



39-6 



26-5 



[40-5] 



46-6 



63-9 



[53-2] 



53.2 



52.2 



51.8 



38.0 



28-3 



14 



39-8 



34-7 



26-9 



40-8 



45-7 



610 



52-7 



535 



[50-7] 



56.8 



34.6 



[362] 



15 



35-7 



36-5 



23-2 



42-5 



54-2 



[60-5] 



520 



51-6 



46.3 



53.2 



390 



423 



16 



28-2 



[35-3] 



[28-4] 



43-2 



55-1 



58-8 



51-7 



51.0 



49-0 



49.4 



[40.4] 



400 



17 



38-6 



37-9 



30-6 



48-8 



501 



58-1 



52-8 



[52.2] 



53-0 



522 



42-2 



29-8 



18 



39-0 



33.3 



34-1 



48-6 



[49-6] 



57-0 



57-0 



54-2 



54-5 



53-6 



41-2 



317 



19 



[35-6] 



301 



29-4 



44-8 



45-2 



56-2 



54-4 



51. 2 



498 



[49.6] 



47-2 



35. 1 



20 



30-9 



36-3 



29-0 



[47-0] 



46-3 



57-6 



[53.1] 



51-8 



47-4 



47.3 



42-8 



35.7 



21 



35-0 



36^) 



34-6 



48-5 



46-9 



58-6 



52.2 



521 



[46.3] 



46.2 



372 



[358] 



22 



41-9 



30-9 



47-4 



47-0 



45-6 



[55-4] 



50.8 



52.4 



43.8 



47.8 



34.7 



37.8 



23 



46-5 



[33-5] 



38-4 



44-6 



45-8 



53-8 



51.5 



56.0 



39.9 



47-7 



[40.4] 



387 



24 



39-3 



31-4 



40-4 



41-6 



44-4 



52-8 



531 



[54.2] 



42.4 



48.9 



323 



356 



25 



43-6 



28-4 



37-8 



49-1 



[45-0] 



53-6 



56.9 



54.8 



49-3 



42-9 



43.6 



41-8 



26 



[34.5] 



38-0 



41-4 



52-2 



43-7 



51-3 



55.8 



55-3 



46-8 



[49.O] 



520 



419 



27 



30-1 



35-0 



47-1 



[49-4] 



45-0 



50- 1 



[53.6] 



54-7 



51. 1 



505 



48.6 



38.6 



28 



30-0 



33-7 



45-3 



50-6 



45-3 



48-0 



52.0 



56.5 



[48.3] 



53-2 



47.8 



[40.8] 



29 



17-7 





43-5 



50-2 



45-6 



[52-0] 



510 



59-6 



46.6 



51.0 



42.0 



38.7 



30 



16-0 





[44-0] 



52-5 



47- 1 



55-3 



52-6 



59.4 



46-3 



49.2 



[41.5] 



45.0 



31 



9-6 





43-5 





50-2 





531 



[56.4] 





45.7 





38-8 



- 



