Solstices

Average Time (hr)

Average I_R/I_W

Summer-2009

5137.33

0.68 ± 0.01

Winter-2009-10

8758.17

0.59 ± 0.02

Summer-2010

13096.92

0.56 ± 0.02

Winter-2010-11

17487.17

0.44 ± 0.03

Summer-2011

21885.08

0.58 ± 0.02

Winter-2011-12

26219.33

0.49 ± 0.02

Summer-2012

29779.67

0.33 ± 0.07