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Table 1 Number of typhoon occurrences from December 2013 to July 2016

From: Magnetic ripples observed by Swarm satellites and their enhancement during typhoon activity

 

2013

2014

2015

2016

Jan

2

1

0

Feb

1

1

0

Mar

0

2

0

Apr

2

1

0

May

0

2

0

Jun

2

2

0

Jul

5

4

4

Aug

1

3

Sep

5

6

Oct

2

3

Nov

2

1

Dec

0

1

1