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 1.64901e+00 1.47738e-01 24 2002 8 8.76861e-01 6.77201e-01 48 2002 9 9.37380e-01 9.71916e-01 92 2002 10 4.95840e-01 4.83671e-01 96 2002 11 1.35568e-01 6.14594e-01 144 2002 12 8.80993e-01 4.41536e-01 128 2003 1 5.67438e-01 5.36519e-01 112 2003 2 1.25137e+00 3.69081e-01 128 2003 3 -1.08509e+00 2.15163e-01 28 2003 4 -8.96415e-02 7.05560e-01 98 2003 5 7.04272e-01 2.61952e-01 32 2003 6 4.46318e-01 3.98374e-01 32 2003 7 -7.41284e-01 5.30366e-01 48 2003 8 1.81299e-01 2.98906e-01 47 2003 9 1.72884e-01 5.17343e-01 112 2003 10 1.27254e+00 4.97214e-01 152 2003 11 1.10274e+00 5.38446e-01 176 2003 12 1.34145e+00 4.34856e-01 164 2004 1 1.91259e+00 3.19660e-01 131 2004 2 1.70993e-01 7.22276e-01 32 2004 3 1.13372e+00 6.50760e-01 160 2004 4 1.80615e+00 4.95183e-01 136 2004 5 2.09203e+00 2.43463e-01 112 2004 6 2.39893e+00 5.24734e-02 16 2004 7 1.52491e+00 2.74734e-01 60 2004 8 1.46978e+00 4.97075e-01 50 2004 9 1.15041e+00 1.19868e+00 46 2004 10 3.95806e-02 5.72894e-01 78 2004 11 1.05894e+00 6.25389e-01 144 2004 12 1.08474e-01 4.06453e-01 49 2005 1 7.44045e-01 3.01466e-01 136 2005 2 1.56278e+00 3.42142e-01 140 2005 3 4.65473e-01 3.19797e-01 144 2005 4 -7.84701e-01 1.35389e-01 16 2005 5 1.00608e+00 6.03088e-01 91 2005 6 1.31672e+00 4.92052e-01 40 2005 7 1.52933e-01 6.26787e-01 74 2005 8 -7.11440e-01 8.84095e-02 11 2005 9 1.75390e+00 7.19680e-01 58 2005 10 1.65474e+00 4.01457e-01 255 2005 11 1.94999e+00 3.06434e-01 193 2005 12 1.22011e+00 4.65812e-01 120 2006 1 1.04928e+00 4.82126e-01 74 2006 2 9.96440e-01 4.09628e-01 141 2006 3 1.05785e+00 4.27546e-01 160 2006 4 1.80637e+00 4.31232e-01 127 2006 5 1.96454e+00 4.00503e-01 128 2006 6 2.35688e+00 9.28410e-02 16 2006 7 2.07255e+00 1.31066e-01 32 2006 8 1.86113e+00 2.81114e-01 75 2006 9 1.43279e+00 4.38504e-01 132 2006 10 1.45990e+00 7.72466e-01 203 2006 11 1.53824e+00 7.84813e-01 208 2006 12 1.49745e+00 7.94120e-01 128 2007 1 6.16662e-01 4.89826e-01 78 2007 2 3.93438e-01 6.42087e-01 153 2007 3 1.40852e+00 5.16359e-01 244 2007 4 1.66018e+00 4.38176e-01 157 2007 5 1.36581e+00 5.42968e-01 64 2007 6 1.34789e+00 1.00228e+00 25 2007 7 1.78848e+00 2.29068e-01 94 2007 8 1.73050e+00 2.27508e-01 48 2007 9 7.99445e-01 5.16900e-01 48 2007 10 9.75362e-01 6.57717e-01 126 2007 11 1.72281e+00 4.21208e-01 240 2007 12 2.02420e+00 2.57433e-01 96 2008 1 1.48791e+00 4.80668e-01 112 2008 2 8.34823e-01 7.36646e-01 193 2008 3 2.78904e-01 8.47714e-01 72 2008 4 7.04836e-01 4.21532e-01 85 2008 5 1.47697e+00 4.16444e-01 96 2008 6 1.69265e+00 4.25489e-01 138 2008 7 1.79573e+00 8.50537e-01 47 2008 8 1.63643e+00 2.02794e-01 16 2008 9 -2.74454e-01 6.90690e-01 150 2008 10 1.08996e+00 5.33423e-01 256 2008 11 1.42460e+00 6.09301e-01 239 2008 12 8.43468e-01 1.00392e+00 140 2009 1 3.62155e-01 4.73739e-01 127 2009 2 1.42549e+00 5.27283e-01 206 2009 3 1.32655e+00 5.85955e-01 99 2009 4 -2.29266e-01 6.92737e-01 24 2009 5 1.05297e+00 1.91743e-01 64 2009 6 9.47384e-01 2.61975e-01 32 2009 7 1.85391e+00 1.49657e-01 22 2009 8 8.33318e-01 9.23252e-01 57 2009 9 1.31345e-01 9.80074e-01 75 2009 10 4.64773e-01 5.22024e-01 179 2009 11 1.74157e-01 8.00008e-01 142 2009 12 -8.47562e-01 1.59063e-01 16 2010 1 -4.41021e-01 2.71016e-02 11 2010 2 -3.30936e-01 1.68048e-01 48 2010 3 5.79470e-03 4.60283e-01 112 2010 4 7.59809e-01 5.88724e-01 129 2010 5 1.31322e+00 3.53532e-01 48 2010 6 1.55321e+00 3.59910e-01 96 2010 7 1.46108e+00 2.83295e-01 49 2010 8 9.16766e-01 8.59407e-02 8 2010 9 1.51911e+00 3.68671e-01 144 2010 10 1.55724e+00 3.32520e-01 310 2010 11 1.80458e+00 4.33701e-01 272 2010 12 1.75573e+00 4.08179e-01 160 2011 1 1.39454e+00 4.27987e-01 174 2011 2 8.95160e-01 3.03279e-01 131 2011 3 1.19061e+00 3.27300e-01 159 2011 4 1.29338e+00 3.48690e-01 128 2011 5 2.04636e+00 1.53936e-01 80 2011 6 1.93603e+00 2.67993e-01 104 2011 7 1.89308e+00 9.84879e-02 48 2011 8 1.60374e+00 3.63474e-01 86 2011 9 1.65887e+00 2.45262e-01 153 2011 10 1.69931e+00 6.02026e-01 182 2011 11 1.27116e+00 6.64909e-01 128 2011 12 1.68098e+00 4.17973e-01 183 2012 1 1.60162e+00 6.11338e-01 187 2012 2 1.09674e+00 4.36825e-01 59 2012 3 9.28402e-01 5.52647e-01 150 2012 4 1.57617e+00 4.30003e-01 189 2012 5 1.87958e+00 5.14497e-01 111 2012 6 1.68352e+00 8.93768e-02 16 2012 7 -3.27719e-02 4.53193e-01 76 2012 8 -5.73238e-01 5.07141e-01 30 2012 9 -1.61311e-03 3.08692e-01 71 2012 10 4.57210e-01 4.23466e-01 176 2012 11 1.85404e+00 4.18330e-01 197 2012 12 2.34038e+00 8.12414e-01 100 2013 1 1.82970e+00 4.88862e-01 88 2013 2 1.48749e+00 5.49980e-01 89 2013 3 -4.56685e-01 4.36286e-01 64 2013 4 -3.16312e-01 3.13745e-01 29 2013 5 1.04786e+00 4.09035e-01 63 2013 6 1.47605e+00 4.60482e-01 32 2013 7 5.10937e-01 2.87613e+00 22 2013 8 -1.14983e+00 2.03176e+00 41 2013 9 -1.24221e-01 9.09011e-01 128 2013 10 6.97639e-01 5.66966e-01 168 2013 11 1.48883e+00 4.67095e-01 82 2013 12 8.95362e-01 5.36969e-01 107 2014 1 -1.75714e-01 3.24933e-01 69 2014 2 6.90749e-01 5.85915e-01 121 2014 3 -7.69825e-02 1.05679e+00 33 2014 4 -4.98273e-01 2.95476e-01 48 2014 5 2.01362e-01 6.05603e-01 94 2014 6 1.62398e+00 3.28111e-01 52 2014 7 2.03438e+00 2.29093e-01 57 2014 8 1.89730e+00 3.32009e-01 63 2014 9 1.45386e+00 4.84830e-01 144 2014 10 1.15136e+00 6.88185e-01 272 2014 11 1.31796e+00 7.25267e-01 150 2014 12 9.84367e-01 4.41186e-01 144 2015 1 1.90026e-01 4.99465e-01 95 2015 2 9.40566e-02 6.85303e-01 96 2015 3 6.66741e-01 3.71065e-01 121 2015 4 1.38062e+00 2.16087e-01 25 2015 5 8.74074e-01 7.56916e-01 135 2015 6 1.58068e+00 5.91848e-01 59 2015 7 1.30262e+00 3.61949e-01 44 2015 8 9.71508e-01 5.02818e-01 32 2015 9 1.09240e+00 5.10697e-01 99 2015 10 1.26835e+00 3.69035e-01 145 2015 11 3.95919e-01 9.95206e-01 128 2015 12 2.31150e-01 3.78525e-01 137 2016 1 -6.27705e-01 8.17846e-02 12 2016 2 -3.44442e-01 2.06547e-01 59 2016 3 1.40528e-01 5.64728e-01 44 2016 4 -5.80521e-01 7.93707e-01 39 2016 5 1.64442e+00 4.28462e-01 112 2016 6 1.97549e+00 1.75178e-01 112 2016 7 1.55137e+00 3.41772e-01 160 2016 8 3.65414e-01 6.02841e-01 120 2016 9 6.78809e-01 5.10273e-01 99 2016 10 1.14471e+00 6.77911e-01 272 2016 11 2.20139e+00 3.78177e-01 188 2016 12 1.60961e+00 4.21607e-01 113 2017 1 3.28417e-01 5.14581e-01 27 2017 2 4.94950e-02 7.94296e-01 101 2017 3 9.67408e-01 8.46015e-01 168 2017 4 1.16415e+00 5.11032e-01 100 2017 5 1.69402e+00 5.84154e-01 79 2017 6 8.64757e-01 7.62640e-01 44 2017 7 7.37639e-01 3.82701e-01 53 2017 8 1.25685e+00 1.01520e+00 48 2017 9 1.07154e+00 6.61745e-01 104 2017 10 1.09784e+00 7.32017e-01 193 2017 11 1.84837e+00 3.99117e-01 236 2017 12 1.98068e+00 2.57245e-01 111 2018 1 1.61528e+00 5.60931e-01 201 2018 2 6.85366e-01 1.23070e+00 80 2018 3 9.13665e-01 7.57545e-01 176 2018 4 1.53219e+00 2.71851e-01 135 2018 5 1.67704e+00 5.63370e-01 91 2018 6 1.32021e+00 3.42221e-01 49 2018 7 1.63172e+00 2.59253e-01 78 2018 8 1.39535e+00 1.24918e-01 16 2018 9 1.66302e-01 3.08971e+00 168 2018 10 -2.95531e-01 6.50054e-01 241 2018 11 3.78760e-01 4.06741e-01 84 2018 12 -2.46707e-01 3.32295e-01 20 2019 1 -3.14670e-01 3.96452e-02 11 2019 2 -3.25863e-01 2.08280e-01 48 2019 3 5.58368e-01 4.60341e-01 171 2019 4 9.89153e-01 2.39702e-01 73 2019 5 1.63829e+00 5.10942e-01 140 2019 6 1.67266e+00 5.00509e-01 85 2019 7 8.36472e-01 1.26601e+00 70 2019 8 1.33095e+00 8.05224e-01 129 2019 9 1.12751e+00 5.97824e-01 217 2019 10 1.29775e+00 5.51837e-01 144 2019 11 1.76878e+00 7.75595e-01 153 2019 12 1.39063e+00 5.94233e-01 53 2020 1 4.34765e-02 3.39561e-01 48 2020 2 5.87832e-01 3.90263e-01 34 2020 3 -3.10332e-01 3.66139e-01 50 2020 4 7.22969e-01 1.96166e-01 34 2020 5 1.06538e+00 4.98054e-01 36 2020 6 4.22529e-01 5.88897e-01 80 2020 7 1.95673e-01 1.32726e-01 16 2020 8 2.03652e+00 1.73967e-01 34 2020 9 1.00210e-01 8.05770e-01 66 2020 10 4.59118e-01 5.81953e-01 112 2020 11 1.04549e+00 5.28088e-01 186 2020 12 1.44991e+00 4.85717e-01 243 2021 1 2.09698e-01 3.21960e-01 71 2021 2 nan nan 0 2021 3 1.29805e-01 6.11874e-01 73 2021 4 6.14963e-01 5.80128e-01 145 2021 5 1.24438e+00 6.68776e-01 92 2021 6 1.68446e+00 3.38665e-01 32 2021 7 2.88703e-01 4.97920e-01 64 2021 8 4.65804e-01 1.20398e+00 90 2021 9 -7.20982e-01 5.90917e-01 83 2021 10 -2.92965e-01 6.34062e-01 107 2021 11 1.27755e+00 4.59864e-01 210 2021 12 1.42899e+00 3.12690e-01 117 2022 1 9.60603e-01 6.08726e-01 66 2022 2 6.98553e-01 5.83159e-01 76 2022 3 5.48094e-01 6.14263e-01 144 2022 4 4.97007e-01 4.04178e-01 32 2022 5 1.33290e+00 4.90506e-01 44 2022 6 1.47976e+00 7.77240e-01 119 2022 7 1.57784e+00 5.36996e-01 112 2022 8 1.25568e+00 4.25511e-01 74 2022 9 4.33510e-02 8.20105e-01 100 2022 10 1.41641e+00 3.57380e-01 302 2022 11 1.52883e+00 6.32141e-01 147 2022 12 1.49508e+00 5.05482e-01 179 2023 1 1.48816e+00 2.65885e-01 143 2023 2 -9.58189e-02 6.34680e-01 81 2023 3 8.52038e-01 3.33133e-01 112 2023 4 5.70974e-01 6.92939e-01 64 2023 5 1.95905e+00 3.38059e-01 48 2023 6 8.10036e-01 4.07434e-01 55 2023 7 1.09673e+00 2.44066e-01 32 2023 8 1.78836e+00 1.80987e-01 57 2023 9 8.75391e-01 5.73109e-01 128 2023 10 8.99914e-01 6.34010e-01 195 2023 11 1.98660e+00 4.25523e-01 120 2023 12 -3.74741e-01 6.41777e-01 58 2024 1 -6.04386e-02 2.82881e-01 62 2024 2 5.38528e-01 4.80833e-01 43 2024 3 4.39485e-01 2.63606e-01 36 2024 4 nan nan 0