Circulation Types and Their Influence on the Interannual Variability
229
100%
D Cw
.Cn
D Cse
80%
. Cne
Cnw
60%
. Csw
• Cs
40%
. C
DAe
20%
DAse
aAsw
. A
0%
. Ane
F
M
A
M
J
J
A
S
0
N
0 . Anw
Fig. 17. Mean monthly percentage frequency of 14 circulation types
Table 2. Contribution from different circulation types (CT) to precipitation days and precipitation
totals during the rainy period (October -March) in Greece (1958-1997)
Type
Absolute CT
RelativeCT
Percentage of
Average precipitation per
Frequency
Frequency
precipitation per CT
CT for rainy days
%
%
mmJday
ANw
392
5.3
0.7
1.5
ANF
375
5.1
1.24
2.3
A
563
7.7
0.67
1.3
Asw
794
10.8
2.46
1.5
ASE
531
7.2
2.7
1.9
AE
230
3.1
2.5
C
853
11.7
28.8
6.8
Cs
626
8.6
8.5
3.2
Csw
1212
16.6
30.8
5.7
CNW
333
4.6
6.9
4.4
CNE
847
11.6
8.7
2.5
CSE
135
1.8
0.5
1.3
CN
41
0.6
0.4
2.7
Cw
358
4.9
6.2
4.1
229
100%
D Cw
.Cn
D Cse
80%
. Cne
Cnw
60%
. Csw
• Cs
40%
. C
DAe
20%
DAse
aAsw
. A
0%
. Ane
F
M
A
M
J
J
A
S
0
N
0 . Anw
Fig. 17. Mean monthly percentage frequency of 14 circulation types
Table 2. Contribution from different circulation types (CT) to precipitation days and precipitation
totals during the rainy period (October -March) in Greece (1958-1997)
Type
Absolute CT
RelativeCT
Percentage of
Average precipitation per
Frequency
Frequency
precipitation per CT
CT for rainy days
%
%
mmJday
ANw
392
5.3
0.7
1.5
ANF
375
5.1
1.24
2.3
A
563
7.7
0.67
1.3
Asw
794
10.8
2.46
1.5
ASE
531
7.2
2.7
1.9
AE
230
3.1
2.5
C
853
11.7
28.8
6.8
Cs
626
8.6
8.5
3.2
Csw
1212
16.6
30.8
5.7
CNW
333
4.6
6.9
4.4
CNE
847
11.6
8.7
2.5
CSE
135
1.8
0.5
1.3
CN
41
0.6
0.4
2.7
Cw
358
4.9
6.2
4.1