Table 2. Number of years precipitation was one standard deviation above/below baseline mean precipitation as a function of ENSO and PDO phase for (a) calendar year, (b) winter season, (c) monsoon season. The total number of years meeting the requirements is shown in parenthesis.
a. Calendar
Cool Phase PDO
Warm Phase PDO
El Nino (6)
La Nina (10)
El Nino (8)
La Nina (3)
 
+1
-1
+1
-1
+1
-1
+1
-1
DIV 1
0
1
1
1
4
1
0
1
DIV 2
0
1
0
2
4
0
0
1
DIV 3
0
1
0
3
4
0
0
1
DIV 4
0
1
0
2
4
0
0
1
DIV 5
0
1
1
1
5
0
1
0
DIV 6
0
1
0
2
3
0
1
0
DIV 7
0
1
0
2
2
0
1
1
STATE
0
1
0
2
4
0
1
1

 

 

b. Winter
Cool Phase PDO
Warm Phase PDO
El Nino (7)
La Nina (14)
El Nino (10)
La Nina (4)
 
+1
-1
+1
-1
+1
-1
+1
-1
DIV 1
3
0
0
2
4
0
0
3
DIV 2
1
1
0
6
4
0
1
1
DIV 3
1
0
0
4
4
0
0
2
DIV 4
1
1
0
3
4
0
0
1
DIV 5
2
0
0
3
4
0
0
1
DIV 6
1
1
0
4
6
0
0
0
DIV 7
2
1
0
6
5
0
1
1
STATE
1
1
0
4
5
0
0
1

 

c. Monsoon
Cool Phase PDO
Warm Phase PDO
El Nino (6)
La Nina (9)
El Nino (8)
La Nina (3)
 
+1
-1
+1
-1
+1
-1
+1
-1
DIV 1
1
0
2
0
1
0
1
1
DIV 2
0
0
1
0
1
0
1
0
DIV 3
1
0
1
2
1
0
1
0
DIV 4
0
1
2
0
1
1
1
0
DIV 5
0
0
1
1
0
0
1
1
DIV 6
0
0
2
0
1
0
1
0
DIV 7
0
0
3
0
0
0
1
0
STATE
0
0
2
0
1
1
1
0