( 258 ) 



Observations météorologiques horaires , faites à l'équinoxc 

 d'automne de 1839. 



DATE. 



HÏGROM. DE SAUSSURE. 



ALOST. GAXD 



VENTS. 



BBUX. ALOST. G AND. 



21 



6 h. 



7 



10 

 11 

 12 



Ih. 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 

 12 



SEPT. 



matin 



lOOoO 

 100.0 

 99.0 

 92.0 

 90.5 

 86.5 

 85.5 

 84.5 

 82.0 

 81.0 

 82.5 

 86.0 

 88.5 

 93.0 

 93.0 

 94.0 

 96.0 

 97.0 

 97.0 



96'' 56 

 96.16 

 96.16 

 94.61 



100.00 

 98.62 

 84.88 

 84.78 

 84.52 

 80.76 

 81.64 

 82.42 

 87.73 



99° 

 99.0 

 95.0 

 86.0 

 86.0 

 84.0 

 81.5 

 78.0 

 77.0 

 73.0 

 77.0 

 75.0 

 84.0 

 92.0 

 93.6 

 93.5 

 95.0 

 97.0 

 98.0 



S. 



S. 

 SSO 

 SSO. 

 SSO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SO. 

 SSO. 



SSE. 

 SSE. 

 SSE. 

 SSE. 

 SSO. 

 SSE. 

 S. 

 SSO. 

 SO. 

 SSO. 

 SSO. 

 SO. 

 SSO. 



SSE. 



SSE. 



S. 



s. 



s, 



SSO. 

 SO. 

 SO, 

 SO. 

 SO. 

 SO. 

 SO. 

 ONO, 

 0. 



