Temperatur (C.) 



März. 



April. 



5-0 

 111 

 12-3 



10-0 

 10-7 



11-4 



71 



8-3 



7-5 



4-6 



6-3 



12-1 



12-0 



13 2 



14-0 



12-3 



6-8 



6-2 



13 1 



9-1 



10-3 



8-2 



7-0 



14-0 



0-3 



7-1 



8-0 



13-9 



11-9 



6-0 



1910 



-40 



-3-1 



1-3 



6-5 

 2-1 



2-9 

 4-0 

 4-6 

 3 4 

 2-4 



-1-0 



-2-6 

 29 

 5-8 

 8-3 

 5-0 

 3-5 

 4-7 

 4-1 

 7-8 

 5-6 

 5-9 

 2-0 



-0-6 

 4-2 

 40 

 3-2 



-0-2 

 2-9 

 4-8 



