TABLES OF MEAN TEMPERATURES. 



131 



Hour. 



Jan. 



Feb. 



M.ir. 



Apr. 



May. 



June. 



July. 



Aug. 



Sept. Oct. 



Nov. 



Dec. 



Year. 











Hourly Means of Temperature. 











.Amherst, Mass. Lat. 42° 



22'. Long. 



72° 34' W. Of G. 













Alt. 



267 feet 



. Prof 



E. S. Snell. 1839. 







Mdn't 



+20°.44 



26°. 87 



29^.96 



43°-62 



S2°.i7 



56°.I2 



66°. 30 



62°. 92 



54°-46 



46°-37 



32°. 40 



27-°30 



43°-24 



I 



19.04 



25-79 



30.08 



42.31 



51.41 



54-96 



65.22 



62.30 



54-44 



45-59 



32.46 



27-65 



42.61 



a 



18.70 



25-54 



30.00 



41.85 



50-44 



54 



32 



64.78 



61.78 



53-68 



44 



.81 



31.81 



27.08 



42 



07 



3 



1S.81 



25-37 



29.46 



41.12 



49-51 



53 



68 



64-33 



61.41 



52.88 



44 



.00 



31-31 



26.73 



41 



55 



4 



18.44 



24.63 



29.12 



40.69 



49-04 



53 



56 



64.19 



61.15 



52.24 



43 



-37 



31.08 



26.5S 



41 



17 



S 



18.22 



24-37 



2S.77 



40.42 



48.74 



53 



80 



64.07 



60.78 



51.92 



42 



-74 



30.77 



25.96 



40 



88 



6 



18.26 



23-79 



28.69 



40.77 



50-15 



55 



64 



^5-59 



61.63 



52-36 



42 



.Si 



30.46 



25-50 



41 



•30 



7 



18.19 



23-79 



30.19 



42-57 



52.70 



57 



40 



67.81 



62.96 



54-48 



43 



59 



30.52 



25-31 



42 



47 



8 



19. II 



24.79 



32-73 



45-50 



55-30 



60 



20 



70.52 



65.48 



57-28 



46 



15 



32.12 



25-15 



44 



53 



9 



21.48 



27.12 



35-27 



48.46 



57-52 



62 



48 



72.48 



68.37 



60.36 



49 



63 



34.46 



26.88 



47 



04 



10 



24.26 



29-42 



37-38 



51-23 



60.04 



64 



72 



75-41 



70.48 



63.12 



52 



70 



36.23 



29.S3 



49 



57 



II 



27.04 



31.29 



39-58 



54.19 



62.04 



67 



28 



78.04 



72-89 



65-84 



55 



48 



37.81 



32.04 



SI 



96 



Noon 



29.26 



32-83 



41.19 



56.46 



63.67 



69 



68 



80.11 



74-30 



67.96 



57 



52 



39-81 



33-58 



53 



86 



I 



30.40 



33-92 



42.46 



58.00 



65.07 



70 



96 



So. 44 



75-67 



68.92 



58 



70 



40.92 



35-42 



55 



07 



2 



30-74 



34.63 



43-15 



58.96 



65-67 



70 



60 



Si. II 



75-30 



69.60 



59 



74 



40.77 



35-58 



55 



49 



3 



30.26 



34-37 



42.92 



58-35 



65.19 



70 



20 



79-11 



75-11 



69.00 



59 



70 



40.08 



34-88 



54 



93 



4 



28.74 



33-46 



42.04 



57-15 



64.78 



69 



44 



78.78 



73-67 



68.20 



58 



70 



3S.65 



33-04 



53 



89 



S 



26.26 



31.67 



40.46 



55-58 



62. 89 



67 



60 



77-44 



72.70 



66.24 



56 



11 



37-08 



31-31 



52 



II 



6 



25.00 



29-75 



38-27 



53-04 



61.00 



65 



So 



75-78 



70.26 



63-32 



53 



96 



35-65 



29,96 



50 



15 



7 



22.70 



29.62 



34-64 



50.23 



59-30 



63 



52 



73-15 



68.88 



61.27 



51 



70 



35-44 



29.59 



48 



34 



8 



22.30 



29.00 



33-88 



48.27 



57-11 



61 



56 



70-63 



67.11 



59.69 



50 



33 



34-72 



29.08 



46 



97 



9 



21.44 



28.29 



32.92 



46-77 



55-26 



59 



64 



68.56 



65.85 



57-Si 



49 



30 



34-00 



28.59 



45 



70 



lO 



20.93 



28.00 



31-52 



45-23 



54-19 



58 



40 



67.82 



64.42 



56.27 



48 



56 



33-64 



28. oS 



44 



75 



II 



20.52 



27-38 



30-52 



44-31 



52-93 



57.40 



67-37 



63-65 



55-19 



47-22 



32.84 



27.70 



43-92 



Mean 



22.94 



28.57 



34-80 



48-54 



56.92 



61.62 



71.62 



67.45 



59-S5 



50-36 



34-79 



29.28 



47-23 









D 



ERIVED 



Hour] 



.Y M.'E.A 



NS OF TemPEI 



mature. 











NeAS 



T Hav 



en,' C< 



jnn. 



Lat. 41 



° 18'. Long. 



72° 56' W. of G. 











Approx. 



Alt. 45 



feet. V 



irious ol 



servers. 1778 t 



D 1S65 inclusive. 







Mdn't 



24.26 



25-24 



32.28 



42-19 



51.88 



61.15 



66.46 



65-57 



57-71 



47.02 



37.68 



28.25 



44-98 



I 



23.91 



24-77 



31-77 



41.41 



51 



01 



60.03 



65.49 



64-75 



56.87 



46 



26 



37-14 



27-93 



44 



28 



2 



23.53 



24-31 



31-24 



40.74 



50 



12 



58.91 



64.69 



64.03 



56.18 



45 



62 



36-64 



27.60 



43 



63 



3 



23.19 



23.80 



30.72 



40.10 



49 



31 



5S.25 



64.11 



63-56 



55-70 



45 



05 



36-22 



27-25 



43 



10 



4 



22.83 



23.32 



30.28 



39-52 



48 



78 



58.10 



63-97 



63.16 



55-27 



44 



59 



35-82 



26.93 



42 



71 



5 



22.46 



22.95 



29.91 



39-31 



48 



90 



5S.79 



64-27 



63.22 



55-15 



44 



29 



35-52 



26.64 



42 



62 



6 



22.19 



22.S1 



30.00 



39-69 



50 



68 



60.83 



65-51 



63.96 



55-66 



44 



45 



35-52 



2645 



43 



15 



7 



22.15 



23.01 



31.18 



41-57 



53 



65 



63-79 



67.98 



66.21 



57-75 



45 



83 



35-84 



26.46 



44 



62 



8 



22.71 



24.42 



33-79 



44. So 



56 



77 



66.99 



70.80 



68.98 



50.78 



48. 



Si 



37-34 



27.21 



46 



95 



9 



25.20 



27.60 



36-55 



47.96 



59 



42 



69.64 



73-30 



71-54 



63-75 



51- 



68 



39-86 



29.41 



49 



66 



10 



28.12 



30-59 



39-33 



50-71 



61 



49 



71.69 



75-45 



73-71 



66. 28 



54- 



62 



42.56 



32.05 



52 



22 



II 



30.16 



32.34 



40.95 



52-33 



63-05 



73-04 



77-23 



75.60 



68. 15 



56.75 



44-51 



33-91 



54 



00 



I Tra 



nsactions 



of the 



Connect! 



cut Acac 



emy of j 



\rts anc 



Sciences. Vol. 



I, Part. I. Nev 



/ Haven, 1866. 



Art. V. 



By E. 1 



^oomis an 



dH. A. 



Newton 

















The 



numbers c 



f the tab 



les are c 



erived ii 



part fro 



m 3 obse 



rvations a day, di 



ring 86 years, an 



d in part from 5 c 



bserva- 



tions a c 



ay, durin 



g 9 year 



, with th 



e assista 



ice of th 



e law of 



the diurnal fluct 



aation as found a 



Philadelphia, A 



mherst. 



and Car 



[ibridge. 





















