ad ae CONE ae 
et ce bios 
HTN bia eS Tp 
SHERS SaCSCaReee 
Perret ira 
Seg UV IEr cause 
“at oa ae : ane 
eal 
il 
WL 
finde 
Beard 
ye TA 
ee 
Hees 
pe ee 
par" ee 
= . 
eeosecrion. 7a esa Se aera a Ct 
eRe Te. 
i N Moelle | oy 
Ht 
i ¥) ”) TA : 
‘Ss age ie SI 
eae 
= Saal Ss ae 
mY 
Pans 
ee <coeae 
Sth 
(eS pared a ae MN 
Fic. 2.—Relations of N. Atlantic oscillation with area pressure, tem- 
perature and rainfall of December to February. Numbers based on series 
shorter than 30 years are in brackets ; those for areas are in circles. 
