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 3.99782e+00 9.88815e-02 16 2002 8 3.33331e+00 2.94024e-01 48 2002 9 3.09711e+00 5.16489e-01 45 2002 10 3.24526e+00 9.36160e-01 72 2002 11 3.79673e+00 8.24375e-01 154 2002 12 3.21749e+00 8.62029e-01 116 2003 1 3.58631e+00 6.90691e-01 128 2003 2 4.49255e+00 1.33967e+00 108 2003 3 6.11088e+00 1.05498e+00 24 2003 4 5.02136e+00 9.16687e-01 112 2003 5 3.53478e+00 8.98257e-01 44 2003 6 3.78498e+00 7.22230e-01 35 2003 7 3.98045e+00 1.08096e+00 32 2003 8 2.74083e+00 1.39937e-01 32 2003 9 3.06317e+00 1.15515e+00 117 2003 10 3.03710e+00 9.29657e-01 135 2003 11 2.78475e+00 5.25157e-01 143 2003 12 3.52273e+00 1.15095e+00 143 2004 1 2.87991e+00 8.71126e-01 103 2004 2 3.87791e+00 3.69218e-01 33 2004 3 3.54992e+00 7.79245e-01 118 2004 4 4.43411e+00 1.36215e+00 104 2004 5 3.58741e+00 2.75194e-01 51 2004 6 nan nan 0 2004 7 4.10550e+00 1.64360e-01 30 2004 8 3.43302e+00 1.39139e-01 32 2004 9 3.98968e+00 1.72601e-01 13 2004 10 3.64469e+00 8.21268e-01 46 2004 11 4.34410e+00 1.23989e+00 78 2004 12 4.98121e+00 5.56899e-01 51 2005 1 3.74816e+00 6.70127e-01 93 2005 2 4.08344e+00 1.22040e+00 107 2005 3 4.79961e+00 8.38773e-01 88 2005 4 nan nan 0 2005 5 3.83689e+00 2.09797e-01 45 2005 6 4.51546e+00 5.25863e-01 48 2005 7 4.78535e+00 4.75576e-01 20 2005 8 nan nan 0 2005 9 3.02448e+00 9.35131e-01 32 2005 10 2.28657e+00 1.20504e+00 150 2005 11 3.26960e+00 1.04573e+00 159 2005 12 4.05081e+00 1.26113e+00 50 2006 1 5.43638e+00 2.44337e-01 47 2006 2 4.76946e+00 1.13151e+00 98 2006 3 5.05014e+00 1.09571e+00 135 2006 4 4.54745e+00 9.67795e-01 85 2006 5 4.32510e+00 1.27271e+00 78 2006 6 3.90654e+00 4.38413e-01 32 2006 7 4.03517e+00 7.61924e-01 22 2006 8 4.07529e+00 3.22432e-01 51 2006 9 3.72146e+00 8.01974e-01 68 2006 10 3.57347e+00 1.03264e+00 140 2006 11 4.53446e+00 1.41395e+00 148 2006 12 3.22573e+00 8.22649e-01 79 2007 1 3.24049e+00 7.19318e-01 61 2007 2 3.13875e+00 6.86783e-01 141 2007 3 4.59837e+00 8.47283e-01 165 2007 4 4.55631e+00 1.12242e+00 139 2007 5 4.48508e+00 8.90482e-01 32 2007 6 nan nan 0 2007 7 4.74771e+00 8.43769e-01 47 2007 8 5.27334e+00 9.53850e-01 48 2007 9 6.03153e+00 8.81171e-01 28 2007 10 6.44036e+00 1.10441e+00 74 2007 11 4.53824e+00 1.05479e+00 177 2007 12 4.02716e+00 3.83527e-01 32 2008 1 4.74410e+00 1.57802e+00 86 2008 2 4.31311e+00 8.60837e-01 189 2008 3 5.58880e+00 8.72786e-01 96 2008 4 4.16031e+00 8.07674e-01 57 2008 5 4.43482e+00 7.16688e-01 76 2008 6 3.66050e+00 3.57342e-01 66 2008 7 3.92706e+00 1.12376e-01 16 2008 8 nan nan 0 2008 9 3.80091e+00 9.42940e-01 56 2008 10 4.97294e+00 9.00910e-01 149 2008 11 3.55633e+00 8.23246e-01 172 2008 12 4.46112e+00 1.59830e+00 100 2009 1 4.72757e+00 8.62735e-01 100 2009 2 4.60321e+00 1.02708e+00 164 2009 3 4.57793e+00 1.14368e+00 111 2009 4 nan nan 0 2009 5 5.60393e+00 1.28162e+00 44 2009 6 nan nan 0 2009 7 4.72411e+00 3.93722e-02 10 2009 8 3.56843e+00 1.52012e-01 23 2009 9 3.68404e+00 6.39910e-01 75 2009 10 3.28520e+00 4.17838e-01 128 2009 11 3.71585e+00 4.02932e-01 83 2009 12 nan nan 0 2010 1 7.62521e+00 2.34766e+00 29 2010 2 7.28097e+00 9.78584e-01 42 2010 3 6.27849e+00 7.61032e-01 100 2010 4 5.49509e+00 1.15844e+00 77 2010 5 4.77503e+00 9.98389e-01 45 2010 6 3.49080e+00 2.02884e-01 66 2010 7 3.81702e+00 9.90405e-01 58 2010 8 nan nan 0 2010 9 4.41326e+00 1.33309e+00 98 2010 10 3.54451e+00 7.54612e-01 269 2010 11 3.17455e+00 6.33761e-01 215 2010 12 3.70824e+00 7.16106e-01 114 2011 1 4.14329e+00 9.19423e-01 101 2011 2 4.33548e+00 7.54991e-01 110 2011 3 4.51494e+00 1.19748e+00 112 2011 4 3.98545e+00 4.71362e-01 103 2011 5 3.95635e+00 3.23886e-01 69 2011 6 5.45671e+00 2.06220e-01 20 2011 7 2.63698e+00 1.71793e-01 7 2011 8 5.42950e+00 4.84530e-01 36 2011 9 4.74219e+00 8.58861e-01 110 2011 10 4.53747e+00 8.69689e-01 148 2011 11 5.75645e+00 1.01532e+00 89 2011 12 4.56065e+00 9.77900e-01 100 2012 1 4.50891e+00 8.12319e-01 107 2012 2 5.37429e+00 8.17051e-01 55 2012 3 4.57835e+00 1.32148e+00 144 2012 4 3.88161e+00 5.49599e-01 106 2012 5 4.31153e+00 5.35044e-01 52 2012 6 3.48142e+00 1.11038e+00 48 2012 7 4.68676e+00 1.11409e+00 41 2012 8 1.56848e+00 0.00000e+00 1 2012 9 3.73628e+00 1.67318e+00 45 2012 10 3.91732e+00 8.45800e-01 140 2012 11 3.10463e+00 4.92523e-01 134 2012 12 2.81304e+00 4.00446e-01 64 2013 1 3.44313e+00 3.61022e-01 92 2013 2 3.90541e+00 7.81508e-01 61 2013 3 6.36908e+00 1.42711e+00 38 2013 4 4.79966e+00 1.67295e-01 9 2013 5 4.58551e+00 8.96195e-01 48 2013 6 nan nan 0 2013 7 5.82403e+00 2.14658e-01 9 2013 8 3.36868e+00 2.98702e-01 48 2013 9 3.16120e+00 1.90157e-01 43 2013 10 3.22185e+00 6.54702e-01 126 2013 11 3.89523e+00 1.27524e+00 69 2013 12 4.07928e+00 1.09703e+00 123 2014 1 4.41459e+00 1.10832e+00 73 2014 2 4.84144e+00 1.23060e+00 102 2014 3 4.40586e+00 7.56364e-01 75 2014 4 4.01599e+00 1.18561e-01 19 2014 5 4.99150e+00 1.02566e+00 54 2014 6 4.05636e+00 1.11877e+00 30 2014 7 3.27488e+00 2.70003e-01 30 2014 8 4.16004e+00 3.15890e-01 50 2014 9 3.61185e+00 7.89982e-01 66 2014 10 3.47015e+00 6.42025e-01 226 2014 11 3.63240e+00 9.84821e-01 136 2014 12 2.33347e+00 5.49278e-01 114 2015 1 4.42028e+00 4.37977e-01 96 2015 2 4.04273e+00 9.62883e-01 84 2015 3 4.36212e+00 5.80904e-01 68 2015 4 3.71978e+00 5.58767e-01 45 2015 5 5.45698e+00 4.63568e-01 68 2015 6 3.03855e+00 1.61982e-01 22 2015 7 3.37346e+00 4.43748e-01 48 2015 8 3.49148e+00 5.09978e-01 53 2015 9 4.52680e+00 1.12025e+00 64 2015 10 3.75327e+00 8.08070e-01 95 2015 11 3.73451e+00 9.69761e-01 96 2015 12 3.31407e+00 1.02145e+00 98 2016 1 7.84519e+00 4.85313e-01 23 2016 2 7.07450e+00 1.10940e+00 41 2016 3 4.14741e+00 1.02341e+00 26 2016 4 4.68730e+00 5.11129e-01 33 2016 5 3.74049e+00 3.07151e-01 48 2016 6 3.72753e+00 3.93685e-01 112 2016 7 3.97188e+00 5.05675e-01 105 2016 8 4.37471e+00 1.34336e+00 49 2016 9 3.34716e+00 8.69294e-01 95 2016 10 4.02159e+00 1.07354e+00 233 2016 11 3.69981e+00 9.86044e-01 155 2016 12 2.92228e+00 4.55309e-01 99 2017 1 6.50348e+00 1.82528e+00 27 2017 2 4.81650e+00 1.41475e+00 108 2017 3 4.29920e+00 8.63768e-01 98 2017 4 4.07153e+00 4.27684e-01 83 2017 5 4.46270e+00 9.12867e-01 84 2017 6 3.77846e+00 2.94866e-01 33 2017 7 2.96480e+00 4.20964e-01 32 2017 8 3.48420e+00 3.05451e-01 32 2017 9 3.43892e+00 6.30243e-01 54 2017 10 4.61431e+00 1.36540e+00 94 2017 11 3.33196e+00 7.87440e-01 201 2017 12 3.54954e+00 8.68126e-01 97 2018 1 3.52936e+00 7.01418e-01 71 2018 2 4.30245e+00 7.67803e-01 72 2018 3 4.05199e+00 1.27953e+00 114 2018 4 4.35534e+00 7.89982e-01 128 2018 5 4.47762e+00 5.82265e-01 88 2018 6 nan nan 0 2018 7 3.74587e+00 6.03448e-01 33 2018 8 3.46232e+00 3.55877e-01 32 2018 9 2.78361e+00 8.06401e-01 141 2018 10 3.07926e+00 1.04599e+00 168 2018 11 2.79836e+00 8.20923e-01 72 2018 12 3.62494e+00 6.05267e-01 41 2019 1 6.43033e+00 2.62783e-01 32 2019 2 6.11819e+00 1.43477e+00 39 2019 3 4.31886e+00 5.79641e-01 98 2019 4 4.52883e+00 7.01134e-01 94 2019 5 4.12608e+00 1.26742e+00 112 2019 6 3.47784e+00 3.71966e-01 48 2019 7 3.46289e+00 3.04128e-01 32 2019 8 3.28838e+00 7.84142e-01 62 2019 9 3.46529e+00 9.04511e-01 137 2019 10 4.35430e+00 1.09907e+00 138 2019 11 3.49440e+00 9.67758e-01 123 2019 12 4.69381e+00 1.33250e-01 16 2020 1 3.91272e+00 2.04888e+00 68 2020 2 5.29231e+00 1.75679e+00 88 2020 3 6.56767e+00 1.19625e+00 29 2020 4 3.80763e+00 9.49347e-01 112 2020 5 4.73946e+00 3.86100e-01 32 2020 6 3.54318e+00 2.99615e-01 32 2020 7 5.61607e+00 6.38196e-01 17 2020 8 3.82432e+00 3.71009e-01 61 2020 9 3.45082e+00 5.89270e-01 48 2020 10 3.44006e+00 5.46233e-01 63 2020 11 3.60537e+00 8.11352e-01 120 2020 12 3.73104e+00 1.10341e+00 213 2021 1 3.98905e+00 4.65103e-01 74 2021 2 4.66888e+00 8.77715e-01 32 2021 3 5.11879e+00 1.36473e+00 43 2021 4 3.81407e+00 5.91238e-01 79 2021 5 4.27598e+00 1.13415e+00 61 2021 6 3.00306e+00 1.32607e-01 16 2021 7 3.48869e+00 3.84391e-01 48 2021 8 3.51866e+00 1.16304e+00 72 2021 9 3.26016e+00 3.90203e-01 44 2021 10 3.47564e+00 6.93111e-01 64 2021 11 2.81367e+00 6.62409e-01 157 2021 12 2.57677e+00 2.97185e-01 51 2022 1 3.69326e+00 7.63715e-01 120 2022 2 4.07996e+00 1.16145e+00 80 2022 3 4.24836e+00 8.88455e-01 84 2022 4 2.89015e+00 9.10226e-02 8 2022 5 3.83427e+00 4.37362e-01 47 2022 6 2.94714e+00 1.37111e-01 68 2022 7 2.52949e+00 9.22005e-01 66 2022 8 2.98362e+00 5.86606e-01 44 2022 9 3.03597e+00 6.08589e-01 40 2022 10 3.13870e+00 8.45774e-01 282 2022 11 3.67775e+00 5.33870e-01 96 2022 12 3.43231e+00 7.73304e-01 142 2023 1 3.08363e+00 2.69528e-01 97 2023 2 4.58529e+00 8.69666e-01 126 2023 3 3.66704e+00 7.23285e-01 101 2023 4 4.30468e+00 3.27162e-01 55 2023 5 6.85189e+00 3.56154e-01 16 2023 6 4.33692e+00 1.07497e+00 57 2023 7 3.73859e+00 1.46254e-01 20 2023 8 4.75823e+00 4.99054e-01 25 2023 9 3.86345e+00 8.39954e-01 124 2023 10 3.70715e+00 9.02369e-01 139 2023 11 3.09062e+00 1.06671e+00 100 2023 12 3.04900e+00 4.76894e-01 32 2024 1 4.06254e+00 1.09865e+00 55 2024 2 4.84407e+00 1.74580e+00 90 2024 3 5.66841e+00 8.00689e-01 32 2024 4 nan nan 0