Year | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
Jan | 0 | 4.13 | 2.79 | 4.09 | 2.33 | 13.49 | 2.13 | 4.99 | 3.63 |
Feb | 2.89 | 1.55 | 7.23 | 1.67 | 5.57 | 8.01 | 5.2 | 2.51 | 6.68 |
Mar | 2.35 | 5.93 | 2.08 | 5.08 | 8.32 | 0.44 | 2.46 | 4.18 | 0 |
Apr | 2.21 | 3.84 | 0.3 | 0.91 | 6.05 | 5.29 | 3.5 | 0 | 3.72 |
May | 6.5 | 5.22 | 3.41 | 0.19 | 1.9 | 8.26 | 18.36 | 5.69 | 8.39 |
Jun | 3.92 | 3.95 | 6.17 | 6.03 | 7.23 | 3.17 | 6.14 | 8.08 | 8.49 |
Jul | 2.6 | 6 | 8.07 | 5.77 | 6.1 | 5.58 | 6.61 | 5.2 | 8.52 |
Aug | 8.67 | 4.05 | 9.94 | 2.69 | 15.8 | 8.38 | 3.89 | 1.78 | 22.06 |
Sept | 0 | 9.1 | 4.15 | 10.72 | 5.02 | 4.4 | 10.74 | 3.58 | 4.49 |
Oct | 0.13 | 12.66 | 1.53 | 0.43 | 0.35 | 2.83 | 2.84 | 8.91 | 0.33 |
Nov | 2.38 | 0.97 | 6.99 | 2.7 | 1.97 | 2.33 | 2.38 | 9.79 | 2.28 |
Dec | 3.92 | 15.74 | 2.73 | 2.87 | 3.42 | 3.01 | 5.28 | 8.74 | 5.5 |
Annual | 35.57 | 73.14 | 55.39 | 43.15 | 64.06 | 65.19 | 69.53 | 63.45 | 74.09 |