A Study of the Circulation Patterns Affecting Drought and Wet Years in Central Iran

Table 5

Representative days obtained from cluster analysis.

Patterns	Correlation of representative day	Intergroup correlation	Frequency	Year	Month	Day
A	0.85	0.78	28	1993	3	27
B	0.89	0.84	22	2009	6	3
C	0.84	0.75	35	1998	8	19
D	0.91	0.88	15	2011	11	23