YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 5.29844e-01 1.45327e-01 13 2002 8 7.58802e-01 1.70725e-01 19 2002 9 1.33854e+00 4.61666e-01 55 2002 10 1.70371e+00 2.65576e-01 42 2002 11 1.75254e+00 3.00714e-01 70 2002 12 1.10971e+00 2.01906e-01 72 2003 1 1.25020e+00 2.58247e-01 91 2003 2 8.44515e-01 2.79445e-01 88 2003 3 2.12976e+00 2.37436e-01 35 2003 4 1.88677e+00 5.11020e-01 48 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 1.85526e+00 1.63055e-01 40 2003 9 1.48886e+00 1.84218e-01 48 2003 10 9.49343e-01 4.00828e-01 187 2003 11 8.34476e-01 2.27677e-01 133 2003 12 8.91511e-01 2.02397e-01 137 2004 1 9.86123e-01 1.82082e-01 56 2004 2 1.35393e+00 2.47295e-01 37 2004 3 1.11730e+00 2.42731e-01 79 2004 4 1.21172e+00 5.26245e-01 27 2004 5 9.26497e-01 2.85873e-01 60 2004 6 8.88057e-01 6.78115e-02 18 2004 7 1.49400e+00 1.89528e-01 20 2004 8 1.01326e+00 7.53161e-02 16 2004 9 2.00460e+00 1.10130e+00 79 2004 10 1.35940e+00 1.97561e-01 80 2004 11 1.61355e+00 4.67316e-01 78 2004 12 1.47658e+00 2.51264e-01 80 2005 1 1.20905e+00 1.93131e-01 70 2005 2 8.72393e-01 2.64356e-01 80 2005 3 1.03996e+00 3.58357e-01 132 2005 4 2.34040e+00 4.20053e-02 16 2005 5 1.55421e+00 1.65420e-01 17 2005 6 1.56501e+00 2.31952e-01 32 2005 7 1.66751e+00 4.59755e-01 38 2005 8 nan nan 0 2005 9 1.34091e+00 2.69373e-01 32 2005 10 8.86260e-01 2.46932e-01 151 2005 11 7.86046e-01 1.99687e-01 111 2005 12 1.00107e+00 1.10858e-01 64 2006 1 1.07065e+00 2.07859e-01 82 2006 2 9.72607e-01 1.89459e-01 94 2006 3 8.90312e-01 2.70668e-01 112 2006 4 6.98348e-01 1.31034e-01 48 2006 5 8.36276e-01 1.28456e-01 56 2006 6 8.37103e-01 4.45806e-01 18 2006 7 4.49210e-01 7.50496e-02 30 2006 8 8.75784e-01 2.93982e-02 3 2006 9 1.03768e+00 1.41501e-01 78 2006 10 8.24012e-01 1.96689e-01 152 2006 11 8.94451e-01 3.05796e-01 128 2006 12 7.84463e-01 2.58637e-01 104 2007 1 1.11615e+00 2.29580e-01 69 2007 2 8.58196e-01 1.91118e-01 81 2007 3 7.80860e-01 1.58183e-01 107 2007 4 1.13228e+00 3.90841e-01 78 2007 5 1.00505e+00 7.25714e-02 16 2007 6 nan nan 0 2007 7 5.11967e-01 4.97757e-02 16 2007 8 1.07128e+00 6.91063e-01 19 2007 9 6.38532e-01 4.28567e-01 32 2007 10 1.41090e+00 1.19701e+00 90 2007 11 1.13814e+00 2.76282e-01 109 2007 12 1.34213e+00 7.47041e-01 29 2008 1 1.34579e+00 2.72215e-01 61 2008 2 1.96749e+00 7.03750e-01 66 2008 3 1.70557e+00 2.81469e-01 104 2008 4 1.75525e+00 2.07984e-01 32 2008 5 9.79756e-01 4.11093e-02 13 2008 6 9.14187e-01 1.86164e-01 37 2008 7 8.04101e-01 7.83445e-02 32 2008 8 7.64391e-01 4.90933e-01 37 2008 9 1.44110e+00 8.25560e-01 62 2008 10 8.68933e-01 2.26291e-01 113 2008 11 7.31070e-01 2.05927e-01 178 2008 12 1.15644e+00 4.14119e-01 74 2009 1 1.37824e+00 2.47492e-01 96 2009 2 9.80392e-01 1.31219e-01 102 2009 3 7.72713e-01 1.21876e-01 41 2009 4 2.88173e+00 2.36194e-01 16 2009 5 1.38334e+00 3.93186e-02 16 2009 6 1.86608e+00 2.74355e-01 6 2009 7 nan nan 0 2009 8 4.31267e-01 5.15878e-04 2 2009 9 2.28502e+00 1.14847e-01 32 2009 10 1.53182e+00 3.37668e-01 81 2009 11 1.84183e+00 4.57862e-01 119 2009 12 1.48552e+00 9.85602e-02 26 2010 1 1.45448e+00 2.65012e-01 89 2010 2 1.54506e+00 8.55835e-02 69 2010 3 1.30179e+00 2.34704e-01 72 2010 4 1.30556e+00 3.70428e-01 82 2010 5 1.43877e+00 1.46457e-01 45 2010 6 1.19966e+00 1.72616e-01 59 2010 7 1.33852e+00 5.43088e-01 41 2010 8 nan nan 0 2010 9 1.02772e+00 4.70898e-01 105 2010 10 7.05731e-01 2.36883e-01 185 2010 11 7.96602e-01 2.23096e-01 106 2010 12 8.52212e-01 1.28176e-01 171 2011 1 8.14738e-01 2.30694e-01 157 2011 2 1.17976e+00 1.94847e-01 75 2011 3 1.45843e+00 3.52688e-01 80 2011 4 1.43735e+00 2.33149e-01 46 2011 5 7.15531e-01 1.68671e-01 48 2011 6 7.26055e-01 1.48765e-01 39 2011 7 9.52246e-01 6.42825e-01 25 2011 8 1.30817e+00 4.44191e-01 47 2011 9 9.59457e-01 9.15975e-02 27 2011 10 7.15608e-01 4.55683e-01 139 2011 11 5.68408e-01 1.37303e-01 88 2011 12 6.61551e-01 2.25078e-01 82 2012 1 1.04918e+00 3.23878e-01 131 2012 2 6.80318e-01 1.11998e-01 31 2012 3 1.33755e+00 3.65071e-01 42 2012 4 9.80416e-01 2.94703e-01 48 2012 5 5.79084e-01 3.61266e-02 16 2012 6 nan nan 0 2012 7 1.00334e+00 8.67509e-02 16 2012 8 1.33931e+00 1.06618e-01 16 2012 9 1.78723e+00 7.82849e-01 34 2012 10 1.04335e+00 3.37607e-01 135 2012 11 6.55561e-01 1.39278e-01 158 2012 12 6.17399e-01 2.68765e-01 127 2013 1 9.10418e-01 1.27920e-01 64 2013 2 1.21197e+00 4.85564e-01 98 2013 3 1.77253e+00 5.12174e-01 88 2013 4 1.47880e+00 4.28115e-01 38 2013 5 8.54289e-01 6.13593e-02 16 2013 6 nan nan 0 2013 7 nan nan 0 2013 8 2.34424e+00 4.75033e-01 47 2013 9 1.98264e+00 9.11004e-01 74 2013 10 1.01329e+00 3.68681e-01 142 2013 11 8.42180e-01 2.38723e-01 121 2013 12 8.37928e-01 2.76391e-01 75 2014 1 1.35960e+00 1.04585e-01 80 2014 2 8.99206e-01 1.83930e-01 64 2014 3 1.38503e+00 1.20125e-01 78 2014 4 1.89414e+00 2.81832e-01 39 2014 5 3.23430e+00 2.62374e-01 16 2014 6 nan nan 0 2014 7 1.45668e+00 4.53930e-01 31 2014 8 3.30186e-01 3.07053e-01 7 2014 9 7.92677e-01 3.52219e-01 57 2014 10 8.38577e-01 3.95183e-01 186 2014 11 7.85961e-01 1.07662e-01 156 2014 12 6.35646e-01 1.65833e-01 113 2015 1 1.05661e+00 2.83995e-01 144 2015 2 1.03289e+00 2.07738e-01 134 2015 3 1.08496e+00 6.51823e-02 24 2015 4 1.93883e+00 9.11113e-02 16 2015 5 1.10681e+00 9.60631e-02 28 2015 6 1.13413e+00 6.78961e-02 16 2015 7 8.47572e-01 8.03696e-02 32 2015 8 6.04654e-01 2.23417e-01 54 2015 9 5.65869e-01 1.98523e-01 33 2015 10 1.00860e+00 3.54298e-01 101 2015 11 1.42693e+00 4.02667e-01 50 2015 12 1.32837e+00 5.07133e-01 61 2016 1 1.55127e+00 5.27255e-01 36 2016 2 1.52210e+00 1.77956e-01 95 2016 3 1.35876e+00 1.28330e-01 72 2016 4 1.88132e+00 2.64599e-01 46 2016 5 1.14187e+00 9.81429e-02 16 2016 6 9.88502e-01 1.89891e-01 46 2016 7 5.57655e-01 4.41183e-01 47 2016 8 1.36698e+00 3.97248e-01 45 2016 9 7.96831e-01 2.39754e-01 74 2016 10 6.39560e-01 2.97766e-01 159 2016 11 5.65661e-01 3.37114e-01 133 2016 12 9.27576e-01 2.51347e-01 60 2017 1 1.71664e+00 2.52267e-01 92 2017 2 1.48369e+00 1.83381e-01 95 2017 3 1.15679e+00 2.84108e-01 77 2017 4 1.11783e+00 2.54685e-01 34 2017 5 -6.33476e-01 5.68274e+00 51 2017 6 1.40680e+00 7.56971e-02 16 2017 7 2.01186e+00 1.48928e+00 24 2017 8 1.71380e+00 4.93142e-01 42 2017 9 9.90078e-01 5.24448e-01 56 2017 10 1.49851e+00 5.73162e-01 101 2017 11 9.06315e-01 3.55237e-01 103 2017 12 6.72196e-01 2.35916e-01 95 2018 1 7.60540e-01 1.47283e-01 113 2018 2 1.27287e+00 2.93835e-01 21 2018 3 1.39337e+00 1.83465e-01 58 2018 4 8.84375e-01 1.98940e-01 91 2018 5 6.47928e-01 2.15723e-01 24 2018 6 1.78835e+00 4.32532e-02 16 2018 7 8.57328e-01 1.14804e-01 14 2018 8 1.01077e+00 2.45559e-01 32 2018 9 1.72924e+00 4.21240e-01 60 2018 10 1.15158e+00 2.76433e-01 96 2018 11 1.41796e+00 2.90876e-01 51 2018 12 1.38712e+00 1.31072e-01 48 2019 1 1.77972e+00 2.61746e-01 38 2019 2 8.65825e-01 2.01432e-01 32 2019 3 9.10110e-01 1.98012e-01 58 2019 4 1.37386e+00 2.56461e-01 69 2019 5 1.61197e+00 4.50459e-01 100 2019 6 1.03533e+00 4.28330e-01 28 2019 7 1.10437e+00 1.29340e-01 4 2019 8 8.84122e-01 4.19829e-01 27 2019 9 6.88762e-01 1.09606e-01 48 2019 10 6.41808e-01 1.59521e-01 95 2019 11 7.44494e-01 2.25027e-01 93 2019 12 7.70596e-01 1.04398e-01 32 2020 1 1.53238e+00 3.96560e-01 64 2020 2 1.53477e+00 2.59332e-01 111 2020 3 1.55545e+00 2.28908e-01 66 2020 4 1.36430e+00 1.33614e-01 33 2020 5 1.52675e+00 7.13576e-01 45 2020 6 1.06204e+00 5.94808e-02 17 2020 7 8.70716e-01 6.71204e-02 31 2020 8 7.75426e-01 1.08892e-01 27 2020 9 nan nan 0 2020 10 1.28322e+00 2.21463e-01 64 2020 11 1.03267e+00 1.96912e-01 80 2020 12 1.03434e+00 1.68439e-01 142 2021 1 1.23515e+00 8.86189e-02 79 2021 2 1.03134e+00 1.14399e-01 92 2021 3 1.14677e+00 1.33670e-01 96 2021 4 1.78021e+00 1.40496e-01 70 2021 5 1.42771e+00 3.97980e-01 37 2021 6 2.27347e+00 1.93892e-01 3 2021 7 1.89653e+00 3.26796e-01 31 2021 8 nan nan 0 2021 9 1.74945e+00 3.14805e-01 43 2021 10 2.04707e+00 1.43553e-01 17 2021 11 9.53930e-01 2.02773e-01 159 2021 12 1.07553e+00 2.86643e-01 46 2022 1 1.10195e+00 2.22251e-01 125 2022 2 1.11149e+00 3.10596e-01 86 2022 3 8.63417e-01 4.21534e-01 107 2022 4 1.15799e+00 2.76408e-02 8 2022 5 1.47981e+00 1.58952e-01 44 2022 6 7.13386e-01 3.62233e-01 32 2022 7 1.16257e+00 2.11950e-01 38 2022 8 1.79291e+00 1.75017e-01 34 2022 9 1.42858e+00 6.76026e-01 99 2022 10 8.79798e-01 2.43381e-01 192 2022 11 7.35614e-01 2.10581e-01 103 2022 12 1.02463e+00 4.20749e-01 99 2023 1 1.17399e+00 2.19215e-01 178 2023 2 1.49110e+00 3.31956e-01 97 2023 3 1.03494e+00 2.16030e-01 18 2023 4 1.17765e+00 4.86761e-01 36 2023 5 9.70079e-01 3.43032e-01 32 2023 6 nan nan 0 2023 7 1.31881e+00 4.02832e-01 80 2023 8 1.08784e+00 4.66890e-01 53 2023 9 5.48722e-01 4.48785e-01 96 2023 10 4.52363e-01 2.93372e-01 143 2023 11 5.69989e-01 1.59424e-01 113 2023 12 7.80289e-01 3.40504e-01 76 2024 1 8.12171e-01 1.58074e-01 70 2024 2 1.20629e+00 5.41179e-01 93 2024 3 1.55921e+00 3.39876e-01 39 2024 4 nan nan 0