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 -4.73534e-01 4.75215e-01 24 2002 8 -1.54177e-01 1.17552e+00 47 2002 9 3.73135e+00 1.14439e+00 43 2002 10 1.02130e+00 6.73565e-01 30 2002 11 1.08756e+01 1.87208e+00 18 2002 12 3.41964e+00 6.78729e-01 27 2003 1 4.97089e+00 6.28155e-01 112 2003 2 2.77480e+00 3.52591e-01 67 2003 3 9.05668e+00 1.10333e+00 34 2003 4 9.64716e+00 1.05094e+00 8 2003 5 nan nan 0 2003 6 4.93508e+00 5.31540e-01 26 2003 7 1.06580e+01 2.59854e+00 21 2003 8 6.18220e+00 6.68769e-02 12 2003 9 5.81962e+00 1.25136e+00 17 2003 10 2.53239e+00 9.55414e-01 60 2003 11 2.47765e+00 5.12620e-01 61 2003 12 3.43695e+00 3.76065e-01 86 2004 1 2.02545e+00 8.30805e-01 42 2004 2 4.83697e+00 1.64923e+00 62 2004 3 3.26154e+00 6.66296e-01 70 2004 4 nan nan 0 2004 5 -5.56722e-01 9.97135e-01 45 2004 6 2.82350e-01 1.70436e-01 16 2004 7 nan nan 0 2004 8 8.37033e-01 9.34827e-01 31 2004 9 3.78136e+00 1.71775e+00 89 2004 10 3.56219e+00 3.13377e+00 56 2004 11 3.90194e+00 2.80776e-01 17 2004 12 4.71317e+00 3.47169e-01 91 2005 1 3.71374e+00 7.80894e-01 64 2005 2 3.39336e+00 3.32082e-01 61 2005 3 2.90369e+00 7.64207e-01 36 2005 4 1.11326e+01 5.77973e-01 52 2005 5 nan nan 0 2005 6 4.13489e+00 9.25470e-01 31 2005 7 4.16896e+00 2.88746e-02 16 2005 8 nan nan 0 2005 9 -1.23854e+00 5.33752e-01 11 2005 10 1.97291e+00 8.45867e-01 113 2005 11 6.52251e-01 1.32549e+00 89 2005 12 3.21024e+00 5.84036e-01 39 2006 1 3.64017e+00 7.26003e-01 109 2006 2 3.16341e+00 5.29422e-01 115 2006 3 2.63306e+00 9.52022e-01 122 2006 4 1.00694e+00 4.79347e-01 46 2006 5 -6.78229e-01 7.72833e-01 56 2006 6 -5.43410e-01 1.14785e+00 26 2006 7 -4.50210e-01 1.09979e-01 16 2006 8 2.79811e-02 9.27477e-03 4 2006 9 -4.60652e-01 1.07153e+00 50 2006 10 8.37169e-01 7.45109e-01 92 2006 11 2.39311e+00 1.28155e+00 120 2006 12 8.22715e-01 1.27076e+00 98 2007 1 2.05233e+00 1.63335e-01 21 2007 2 2.76779e+00 6.53924e-01 62 2007 3 1.01964e+00 1.29455e+00 44 2007 4 -9.59420e-01 1.89959e+00 62 2007 5 -8.30213e-01 1.07098e+00 35 2007 6 7.41160e-02 3.65853e-01 15 2007 7 -3.81668e-01 9.24244e-02 14 2007 8 4.81881e-01 1.03491e+00 39 2007 9 -1.13450e+00 1.31226e+00 51 2007 10 1.39508e-01 6.58357e-01 80 2007 11 1.65946e+00 1.21627e+00 27 2007 12 4.16056e+00 1.17238e+00 66 2008 1 6.46329e+00 1.80386e+00 52 2008 2 6.88024e+00 1.60020e+00 123 2008 3 9.20135e+00 2.44897e+00 43 2008 4 5.13867e+00 2.01784e+00 25 2008 5 -9.97012e-01 5.96046e-08 5 2008 6 -8.28153e-01 1.56272e-01 11 2008 7 nan nan 0 2008 8 -1.35972e+00 1.33384e+00 26 2008 9 4.99995e-01 3.23489e-01 12 2008 10 6.34553e-01 1.09410e+00 74 2008 11 2.87958e-01 6.00157e-01 126 2008 12 2.25280e+00 1.98300e+00 64 2009 1 4.59546e+00 2.39828e-01 43 2009 2 2.80688e+00 8.82801e-02 32 2009 3 2.57523e+00 2.68336e-01 48 2009 4 1.02426e+01 2.58968e+00 27 2009 5 6.90994e+00 2.24153e-01 14 2009 6 nan nan 0 2009 7 2.29482e+00 1.17022e-01 5 2009 8 nan nan 0 2009 9 -2.02951e+00 1.17377e+00 13 2009 10 2.76393e+00 1.19207e-01 16 2009 11 3.19695e+00 1.72340e+00 24 2009 12 9.67751e+00 1.44643e-01 12 2010 1 8.70624e+00 1.21589e+00 84 2010 2 8.81658e+00 8.19091e-01 79 2010 3 6.82541e+00 3.85734e-01 48 2010 4 1.82468e+00 1.64216e-01 6 2010 5 nan nan 0 2010 6 1.69948e+00 2.97728e-01 10 2010 7 -7.37485e-01 1.61365e+00 26 2010 8 nan nan 0 2010 9 4.50841e-01 5.20354e-01 53 2010 10 -4.31242e-02 4.22908e-01 98 2010 11 1.19043e-01 6.02257e-01 73 2010 12 1.38703e+00 3.17776e-01 107 2011 1 1.86810e+00 2.01974e-01 96 2011 2 3.80285e+00 1.30078e+00 115 2011 3 2.25336e+00 5.09298e-01 85 2011 4 3.82583e-01 7.29285e-01 27 2011 5 -1.01181e+00 7.68511e-01 72 2011 6 -4.21703e-01 1.06665e+00 58 2011 7 1.21209e+00 1.20582e+00 32 2011 8 2.97810e-01 2.32787e+00 28 2011 9 -3.61081e-01 1.90485e+00 64 2011 10 -9.94245e-01 8.44435e-01 155 2011 11 -6.54482e-01 9.61040e-01 163 2011 12 5.20409e-01 7.24066e-01 103 2012 1 1.82345e+00 5.15731e-01 67 2012 2 7.47143e-01 5.19836e-03 4 2012 3 nan nan 0 2012 4 -8.65133e-01 4.39776e-01 16 2012 5 -1.11600e+00 1.43020e+00 47 2012 6 -2.53227e+00 2.16220e+00 29 2012 7 1.37959e+00 9.10049e-02 11 2012 8 6.30913e+00 0.00000e+00 1 2012 9 nan nan 0 2012 10 3.97295e+00 1.36927e+00 47 2012 11 1.65341e+00 1.48852e+00 32 2012 12 2.13347e+00 6.03573e-01 94 2013 1 2.43320e+00 6.68160e-01 95 2013 2 2.79252e+00 1.59046e+00 68 2013 3 9.68763e+00 8.57643e-01 45 2013 4 nan nan 0 2013 5 2.91247e+00 7.70125e-01 18 2013 6 9.88647e-01 2.11096e+00 25 2013 7 nan nan 0 2013 8 1.24688e+01 2.09976e+00 21 2013 9 9.59915e+00 1.16283e+00 17 2013 10 4.27373e+00 5.12519e-01 25 2013 11 2.89165e+00 4.48513e-01 69 2013 12 3.40315e+00 9.09681e-02 20 2014 1 5.68797e+00 6.53810e-01 46 2014 2 4.20660e+00 6.03658e-01 79 2014 3 6.69512e+00 4.23265e-01 66 2014 4 7.04803e+00 1.14529e+00 32 2014 5 9.87379e+00 6.57114e-01 25 2014 6 3.92908e+00 9.12409e-01 9 2014 7 nan nan 0 2014 8 nan nan 0 2014 9 2.31851e+00 4.75952e-01 31 2014 10 1.96835e+00 1.72615e+00 92 2014 11 2.29572e+00 5.14958e-01 39 2014 12 2.63877e+00 7.21920e-01 71 2015 1 4.61632e+00 9.64784e-01 130 2015 2 3.53538e+00 5.82743e-01 64 2015 3 2.03768e+00 7.27444e-01 47 2015 4 1.14005e+00 0.00000e+00 2 2015 5 2.52014e+00 1.83256e+00 31 2015 6 3.89387e+00 1.83021e+00 17 2015 7 1.43376e+00 3.07407e-01 31 2015 8 -6.21015e+00 2.99253e+00 17 2015 9 -1.49807e+00 5.61753e-01 23 2015 10 6.26285e+00 2.70604e+00 31 2015 11 7.19418e+00 4.10001e+00 46 2015 12 nan nan 0 2016 1 1.01630e+01 1.46118e+00 35 2016 2 7.67954e+00 1.04253e+00 176 2016 3 5.41206e+00 8.51909e-01 84 2016 4 8.02275e+00 1.33133e+00 17 2016 5 nan nan 0 2016 6 -1.77704e+00 2.24599e+00 47 2016 7 1.63709e+00 5.81570e-01 48 2016 8 3.28427e+00 1.84127e-01 22 2016 9 -1.82797e+00 1.73574e+00 24 2016 10 -7.02230e-02 1.09549e+00 87 2016 11 1.32193e-01 9.72910e-01 97 2016 12 3.85349e+00 2.02634e+00 92 2017 1 8.92458e+00 1.14242e+00 64 2017 2 7.21784e+00 1.67422e+00 80 2017 3 4.23523e+00 2.12076e+00 41 2017 4 1.60371e+00 4.05871e-01 37 2017 5 -5.16148e-01 2.25032e+00 25 2017 6 -1.43302e+00 2.66515e-01 11 2017 7 4.33138e+00 7.98419e-01 57 2017 8 nan nan 0 2017 9 1.84558e+00 1.71989e+00 48 2017 10 1.41155e+00 4.83031e-01 23 2017 11 1.99334e+00 6.39975e-01 79 2017 12 1.63138e+00 3.39585e-01 17 2018 1 1.02876e+00 6.85132e-01 113 2018 2 5.12312e+00 4.26814e+00 35 2018 3 5.48595e+00 1.40567e+00 53 2018 4 1.49967e-01 1.80410e+00 23 2018 5 nan nan 0 2018 6 1.59386e+00 1.52858e-01 12 2018 7 5.93989e-01 7.76800e-01 28 2018 8 5.74880e+00 1.49831e+00 47 2018 9 4.40289e+00 5.60471e-01 32 2018 10 3.99428e+00 1.60199e+00 44 2018 11 1.23551e+01 2.77662e-02 12 2018 12 8.24742e+00 7.85266e-01 46 2019 1 7.94880e+00 1.04195e+00 82 2019 2 8.48237e+00 1.51432e-02 5 2019 3 3.63411e+00 5.29376e-01 44 2019 4 -3.09198e+00 4.86312e-01 17 2019 5 -7.42634e-01 6.31896e-01 60 2019 6 4.51452e-01 0.00000e+00 2 2019 7 2.18822e-01 1.34338e-01 16 2019 8 -9.98505e-01 1.19538e-01 16 2019 9 -1.60848e+00 1.24878e+00 89 2019 10 -4.67181e-01 7.43781e-01 99 2019 11 -7.44512e-01 4.78178e-01 30 2019 12 -3.65580e-02 1.37961e+00 32 2020 1 4.48460e+00 4.86689e-01 32 2020 2 4.55622e+00 5.32183e-01 47 2020 3 nan nan 0 2020 4 4.10543e+00 1.01714e-01 16 2020 5 2.72559e+00 0.00000e+00 1 2020 6 -2.32734e-01 9.24726e-01 55 2020 7 2.65867e+00 1.69738e-01 17 2020 8 nan nan 0 2020 9 1.10782e+01 1.10506e-01 16 2020 10 6.93066e+00 1.09124e+00 31 2020 11 2.81834e+00 0.00000e+00 1 2020 12 3.96231e+00 4.11970e-02 15 2021 1 4.99154e+00 8.45576e-02 16 2021 2 5.46979e+00 1.35906e+00 64 2021 3 5.84739e+00 8.21747e-01 73 2021 4 4.39939e+00 2.89476e-01 19 2021 5 5.70768e+00 1.21003e-01 3 2021 6 nan nan 0 2021 7 6.15205e+00 7.64027e-02 17 2021 8 -1.60819e+00 0.00000e+00 1 2021 9 7.12680e+00 9.12655e-02 16 2021 10 nan nan 0 2021 11 4.12751e+00 1.20488e+00 34 2021 12 2.23447e+00 1.10644e+00 25 2022 1 2.99345e+00 6.93866e-01 68 2022 2 3.33736e+00 5.27726e-01 78 2022 3 1.45900e+00 8.75387e-01 99 2022 4 nan nan 0 2022 5 1.03650e+00 6.39137e-02 3 2022 6 -1.27117e+00 6.89626e-01 23 2022 7 1.86121e-01 2.09734e+00 43 2022 8 6.86768e-01 7.64303e-01 15 2022 9 -1.47583e+00 8.90786e-01 18 2022 10 -8.89667e-01 7.40709e-01 108 2022 11 -1.40971e+00 1.31717e+00 83 2022 12 8.78759e-01 1.29908e+00 48 2023 1 2.07188e+00 5.80811e-01 94 2023 2 3.52067e+00 6.16782e-01 99 2023 3 2.71563e+00 2.06091e+00 19 2023 4 nan nan 0 2023 5 -6.73043e-01 6.89085e-01 48 2023 6 -2.35976e+00 2.61661e+00 23 2023 7 4.17874e+00 1.04262e+00 32 2023 8 1.10102e+00 7.85950e-02 16 2023 9 -7.76494e-01 1.03934e+00 64 2023 10 -2.55654e-01 6.77167e-01 99 2023 11 3.61911e-02 1.15838e+00 96 2023 12 2.08667e+00 2.27581e-02 16 2024 1 3.84203e+00 8.41539e-01 48 2024 2 4.82684e+00 1.54848e+00 52 2024 3 4.81871e+00 2.58001e+00 30 2024 4 nan nan 0