Average | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | ||
0.40 | January | 0.85 | 0.30 | 0.26 | 0.32 | 0.39 | 0.88 | 0.18 | 1.28 | 0.52 | 0.61 | 0.00 | 0.14 | 0.42 | 0.01 | 0.99 | trace | 0.50 | 0.33 | 0.02 | January | |
0.52 | February | 0.32 | 0.47 | 0.42 | 0.68 | 1.04 | 0.60 | 0.92 | 0.30 | 0.19 | 0.78 | 0.20 | 0.36 | 0.61 | 0.55 | 0.45 | 0.03 | 0.70 | 1.05 | 0.00 | February | |
0.50 | March | 0.44 | 1.35 | 1.19 | 0.80 | 0.49 | 0.80 | 0.31 | 0.16 | 0.01 | 0.30 | 0.50 | 0.23 | 0.24 | 0.01 | 1.05 | 0.57 | trace | 0.74 | 0.28 | March | |
0.57 | April | 0.42 | trace | 0.01 | 1.32 | 0.55 | 1.53 | 0.00 | 1.14 | 0.73 | 0.53 | 0.19 | 0.15 | 0.74 | 0.05 | 0.73 | 0.68 | 0.45 | 1.13 | 0.29 | April | |
0.49 | May | 0.51 | 0.50 | 0.00 | 0.54 | 0.02 | 0.80 | 0.41 | 0.22 | 0.16 | 2.23 | 0.62 | 0.28 | 0.28 | 0.21 | 0.11 | 0.50 | 0.54 | 1.43 | 0.01 | 0.44 | May |
0.66 | June | 2.88 | trace | 2.38 | 0.84 | 1.35 | 0.24 | 1.43 | 0.15 | 0.78 | 0.84 | 0.08 | 0.29 | 0.03 | 0.00 | 0.86 | 0.97 | 0.03 | 0.47 | 1.35 | 0.51 | June |
2.17 | July | 1.43 | 0.26 | 1.80 | 2.01 | 1.37 | 1.96 | 6.57 | 0.91 | 1.44 | 2.34 | 3.03 | 4.54 | 1.50 | 1.52 | 2.48 | 0.98 | 3.06 | 1.59 | 3.03 | 0.77 | July |
1.77 | August | 2.49 | 0.89 | 1.83 | 1.00 | 0.63 | 0.97 | 1.60 | 2.72 | 2.88 | 0.83 | 0.29 | 0.54 | 0.76 | 1.48 | 1.94 | 0.81 | 1.76 | 1.59 | 6.78 | 1.84 | August |
1.23 | September | 0.16 | 1.02 | 0.36 | 0.67 | 0.56 | 0.35 | 2.65 | 1.57 | 1.10 | 0.99 | 0.39 | 4.39 | 0.32 | 0.48 | 2.22 | 2.21 | 0.06 | 1.04 | 1.00 | 1.94 | September |
1.00 | October | 0.56 | 0.05 | 1.99 | 0.65 | 0.41 | 0.84 | 2.34 | 0.41 | 0.59 | 1.70 | 0.50 | 0.22 | 0.02 | 1.62 | 1.03 | 1.67 | 1.63 | 0.16 | 1.62 | 1.64 | October |
0.51 | November | 1.21 | 1.09 | 0.24 | 0.18 | 0.20 | 2.23 | 0.16 | 0.00 | 1.43 | 1.24 | 0.60 | 1.19 | 0.14 | 0.19 | 0.05 | 0.16 | 0.34 | 0.13 | 0.03 | 0.03 | November |
0.93 | December | 0.00 | 1.40 | 0.73 | 0.08 | 0.20 | 0.50 | 1.33 | 0.00 | 0.68 | 1.85 | 1.48 | 0.85 | 0.27 | 1.97 | 1.81 | 0.55 | 0.95 | 1.37 | 1.90 | 0.22 | December |
10.82 | Total | 11.27 | 7.33 | 11.21 | 9.09 | 7.21 | 11.70 | 17.90 | 8.91 | 10.51 | 13.74 | 10.34 | 13.18 | 5.33 | 8.09 | 13.72 | 9.13 | 10.02 | 11.03 | 16.31 |