der Temperaturvcrlheilung auf der Oberfläche der Erde. 



81 



703) Fort Dearborn. (Chicago) 



Jan. | Febr. I Mrz. | Apr. 



Mai | Juni | Juli | Aug. | Sept. | Oct. I Nov. | Dec. 



Jahr 



1833 

 1834 

 1835 

 1836 



•29.92 

 13.51 



28 32 

 22.63 



27.81 33.59 ' 50.88 

 35.06 36.94 j 47.75 

 14.15 32.27 | 42 91 

 21.93 126 40 42 77 



60 71 

 55.25 

 55.22 

 54 II 



64.25 

 63.54 

 63.71 

 59 18 



72 99 

 74.87 

 67.66 

 67.09 



70 83 64.55 



71 66 I 60.58 

 65.92 j 54.76 

 62 41 ' 55.36 



45.91 

 46.69 

 45.67 

 40.57 



39.99 

 40 54 

 3435 

 34.50 



34.29 

 29.79 

 25.03 

 24.36 



49.67 

 48.05 

 44.24 



42.78 



Mittel 



23.59 | 24.74 | 32.30 | 46.08 , 56.32 , 62.67 | 70.65 | 67.70 ( 58.81 | 44.71 | 37.35 | 28.37 



704) Dearbornville Arsenal. 



| 1842 | 32.80 | 31.09 | 43.82 | 51.25 | 59 23 1 64.05 | 67.15 | 67.45 [ 61.30 | 50 08 | 34.14 | 28 31 | 49.21 | 



73) Fort Delavare. 



| 1826 1 35.15 | 37.09 | 39.50 | 45.77 | 69.46 | 76.56 | 77.72 | 76.03 | 76.59 | 57.68 | 50.64 | 38.35 | 56.71 1 



146) Detroit Barracks. 



705) Fort Fairfield. 



| 1842 1 10.70 | 17.23 | 28.60 | 32.36 | 47 30 | 58.83 | 65.74 | 65.77 | 50.73 | 41.70 | 30.55 | 14.12 | 38.86 | 



318) Fort Gibson. 



P/iys. Kl. 1852. 



