VELOCITY (m/s)

YR

APR

MAY

JUN

JUL

AUG

SEP

2006

2.83

2.67

2.57

2.72

2.69

2.33

2008

2.63

2.86

2.46

2.33

2.47

2.19

2010

2.70

2.70

2.40

2.50

2.30

2.1

2011

2.61

2.79

2.71

2.30

- -

2.01

2012

2.39

2.64

2.56

2.43

2.22

1.82