patterns
Correlation of representative day
Intre-group correlation
Frequency
year
month
day
Year
month
day
A
0.85
0.78
28
1378
1
7
1993
3
27
B
0.89
0.84
22
1388
3
13
2009
6
3
C
0,84
0.75
35
1377
5
28
1998
8
19
D
0.91
0.88
15
1390
9
2
2011
11
23
Table 3:
Representative days obtained from cluster analysis.
