Year

Cold Season (November-April)

Warm Season (May-October)

2004

7.18

7.52

2005

6.14

6.89

2006

6.56

7.09

2007

6.59

6.26

2008

6.10

5.25

2009

5.34

6.46

2010

5.23

5.66

2011

5.07

5.06

2013

5.12

5.56

2014

4.29

5.95

Average

5.76

6.17