142 Do ve über die nicht periodischen Veränderungen 



1214) Fort Merrill (Texas). 28° 17' B. 98° L. 150' H. 



1215) Fort Miller (Californien). 31° B. 119° 40' L. 402' H. 



1216) Fort des Moines (Jowa). 41°32'B. 93°38'L. 780' H. 



1217) Monterey (Californien). 36° 36' B. 121° 52' L. 140' H. 



1847 

 1848 

 1849 

 1850 

 1851 

 1852 



51.38 



54 63 



5353 



53.87 



5539 

 55.25 

 61.77 

 55.84 ,56.72 



57 90 58.64 '59.26 



58 05 ,54.40 60.08 

 56 69 61.70 58.03 



57.58 57 70 



55.56 59.90 



61.16 



57.22 

 59.56 



57.91 



5891 

 57.01 



57.06 62 84 59.14 [59 9 



61 55 



52.40 



55.20 

 53.49 

 55 56 



50.60 



50.87 

 49.09 

 53.16 



54.78 



Mittel |52.25 |50.47 |51.45 ,53.76 ,56 76 ]57.85 ,58.49 |59.58 |59.27 ,58.45 |54. 16 ,50.93 55.29 



1218) Fort Morgan (Alabama). 30° 14' B. 88° L. 20' IL 



1835 

 1841 



1842 

 1843 



5486 



54 17 



55.41 



51 16 



64 04 



64.16 

 6843 



75 65 



74 48 

 76.70 



77.56 |80.06 80.31 

 82.00 

 82 34 80.30 



81.96 



7991 

 80 08 



75.46 

 79.06 



59.00 



52.00 



Mittel 55.19 ,50.18 ,53.28 i65.54 175.61 179.19 ,81.50 180.30 Ü7.26 171.26 159.00 152.00 66.88 



