der Temper alurverth eilung auf der Oberfläche der Erde. 



89 



Fort Pike. 



314) Plaftsburgh Barracks. 



1840 I 12.61 2u 37 j 29,33 I 44.21 I 60 67 I 67 17 j 72.1 1 I 69 39 j 58.13 I 46 47 I 32 45 I 19.41 I 44.85 

 1842 20.70 25 31 I 33 75 | 42 90 I 50 92 I 60.13 ' 67 62 ! 68.92 ' 56 81 I 45 53 33 86 19 25 43.80 



Mittel | 16.66 , 25.84 | 31.54 | 43.56 | 55.80 | 63.65 | 69.87 | 69.16 | 67.47 | 46.00 | 33.16 | 19.33 | 44.33 



323) 167) Fort Preble (Portland) 



711) Rouses Point. 



1839 | 16.72 | 22.43 | 31.25 | 44.49 | 52.56 | 59.95 | 68.39 j 65.99 | 58.36 | 48.81 | 32.74 \ 24.63 | 43.85 



173) Fort Severn. (Anapolis) 



P/iys. Ä/.1852. M 



