LXXII 



INFLUENCE DE L ALTITUDE 



MARS 1881 



MAXIMA 



s 



S' 

 N' 

 M' 



5" 

 S" 

 N" 

 M" 



Verdun 



14.0 

 301. f. 

 29 

 10.40 



11.1 



290.5 

 28 

 10.43 



TEMPERATURES 



MOYENNES 



273.4 260.4 200.6 



MINIMA 



0.0 

 273.4 

 31 

 8.81 



31.4 

 242.0 

 28 

 8.64 



9.0 

 250.8 

 30 

 8.36 



20.2 

 230.6 

 28 

 8.24 



17.0 

 183.6 

 29 

 6.33 



7.2 

 176.4 

 28 

 6.30 



Verdun 



90.5 



0.0 

 90.5 

 29 

 3.12 



4.1 



86.4 



28 

 3.08 



COEFFICIENTS : a 

 AMPLITUDES : M— m 



y. — m 



y. — m 



M"— 7?r 



a" 



11.25 

 0.494 



11.59 

 0.496 



4.20 



9.6 



0.459 



4.20 



9.38 



0.448 



3.21 



7.28 

 0.411 



3.22 



7.35 



0.438 



