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 nan nan 0 2002 8 1.12509e+00 5.50989e-01 59 2002 9 9.33446e-01 5.41614e-01 60 2002 10 1.07732e+00 4.38850e-01 110 2002 11 1.75805e+00 9.83163e-01 240 2002 12 1.71087e+00 6.27191e-01 123 2003 1 2.85875e+00 7.25099e-01 236 2003 2 2.00933e+00 5.11529e-01 160 2003 3 1.43171e+00 3.30940e-01 48 2003 4 1.02045e+00 6.47876e-01 48 2003 5 1.52110e+00 2.43518e-01 16 2003 6 1.19288e+00 6.02489e-01 29 2003 7 7.66915e-01 5.14479e-02 16 2003 8 5.74173e-01 1.42328e-01 5 2003 9 1.00962e+00 5.21801e-01 89 2003 10 1.28422e+00 8.08429e-01 190 2003 11 1.22655e+00 6.21024e-01 241 2003 12 1.74518e+00 7.77703e-01 195 2004 1 1.81648e+00 4.89645e-01 160 2004 2 2.01082e+00 4.83435e-01 64 2004 3 1.50003e+00 4.51320e-01 165 2004 4 1.66121e+00 7.43616e-01 106 2004 5 9.88463e-01 3.06301e-01 112 2004 6 8.90504e-01 3.58932e-01 62 2004 7 9.14246e-01 3.17092e-01 62 2004 8 1.22000e+00 5.95534e-01 68 2004 9 1.29591e+00 5.68588e-01 42 2004 10 1.93925e+00 1.22272e+00 63 2004 11 1.58405e+00 5.48989e-01 128 2004 12 2.01096e+00 6.38762e-01 126 2005 1 1.76838e+00 6.93149e-01 144 2005 2 1.95825e+00 5.30626e-01 112 2005 3 2.30120e+00 7.61873e-01 128 2005 4 1.67162e+00 3.95735e-01 36 2005 5 8.91603e-01 3.78192e-01 46 2005 6 1.00068e+00 1.57457e-01 61 2005 7 1.06755e+00 6.08204e-01 61 2005 8 1.22502e+00 5.16773e-01 62 2005 9 1.77557e+00 5.17976e-01 64 2005 10 1.39664e+00 9.22276e-01 166 2005 11 1.69976e+00 9.79042e-01 247 2005 12 2.18308e+00 7.23295e-01 183 2006 1 2.03380e+00 8.45848e-01 188 2006 2 2.36970e+00 6.47564e-01 147 2006 3 1.64388e+00 4.72111e-01 272 2006 4 1.28807e+00 2.56306e-01 77 2006 5 1.40162e+00 7.01524e-01 120 2006 6 1.08348e+00 5.99531e-01 64 2006 7 4.04971e-01 1.02019e-01 31 2006 8 7.24070e-01 3.58267e-01 48 2006 9 8.69303e-01 4.43471e-01 132 2006 10 1.39429e+00 7.96347e-01 208 2006 11 1.77918e+00 9.75728e-01 206 2006 12 1.11267e+00 5.83505e-01 119 2007 1 2.11309e+00 7.35602e-01 128 2007 2 2.00377e+00 7.38894e-01 245 2007 3 1.57635e+00 7.40301e-01 240 2007 4 1.57165e+00 1.00599e+00 175 2007 5 8.31978e-01 3.49911e-02 16 2007 6 1.03931e+00 9.78582e-02 16 2007 7 9.33011e-01 3.12468e-01 60 2007 8 7.23445e-01 2.90455e-01 81 2007 9 8.88796e-01 3.95648e-01 105 2007 10 9.16179e-01 4.96891e-01 160 2007 11 1.04075e+00 5.67636e-01 260 2007 12 1.43928e+00 1.01831e+00 208 2008 1 2.38868e+00 8.86464e-01 204 2008 2 2.05170e+00 7.19131e-01 297 2008 3 2.10398e+00 9.30357e-01 223 2008 4 1.32042e+00 4.55976e-01 114 2008 5 1.08313e+00 6.74943e-01 90 2008 6 7.97940e-01 4.20048e-01 54 2008 7 6.42392e-01 3.69852e-01 67 2008 8 9.19338e-01 5.78665e-01 32 2008 9 1.38685e+00 4.25479e-01 108 2008 10 1.75495e+00 8.27456e-01 192 2008 11 1.59297e+00 7.36465e-01 208 2008 12 2.23269e+00 1.00158e+00 198 2009 1 2.09086e+00 5.42208e-01 159 2009 2 1.98126e+00 6.96287e-01 240 2009 3 1.63511e+00 7.45898e-01 216 2009 4 1.94306e+00 1.17658e+00 96 2009 5 9.86859e-01 4.04187e-01 53 2009 6 8.41628e-01 4.58107e-01 68 2009 7 7.16493e-01 4.58593e-01 39 2009 8 8.98415e-01 3.60651e-01 67 2009 9 5.76581e-01 1.98185e-01 64 2009 10 8.54103e-01 5.74910e-01 203 2009 11 1.13061e+00 8.14250e-01 128 2009 12 1.84401e+00 7.33060e-01 44 2010 1 2.71958e+00 9.91837e-01 195 2010 2 2.33402e+00 1.14699e+00 114 2010 3 1.74785e+00 6.37518e-01 117 2010 4 1.92725e+00 9.90219e-01 94 2010 5 1.74838e+00 1.21869e+00 80 2010 6 7.02395e-01 2.48036e-01 72 2010 7 1.11434e+00 3.79469e-01 18 2010 8 3.86962e-01 1.36720e-01 4 2010 9 8.11092e-01 8.41320e-01 84 2010 10 8.97569e-01 3.91152e-01 278 2010 11 1.21702e+00 8.85952e-01 263 2010 12 2.04544e+00 1.06609e+00 231 2011 1 2.77276e+00 9.64396e-01 160 2011 2 1.60160e+00 4.27422e-01 151 2011 3 1.90747e+00 7.32265e-01 184 2011 4 1.67564e+00 8.34127e-01 128 2011 5 8.84646e-01 4.42690e-01 109 2011 6 2.45469e-01 2.09431e-01 40 2011 7 7.55570e-01 2.25850e-01 48 2011 8 8.63051e-01 5.99577e-01 100 2011 9 7.70241e-01 2.98331e-01 138 2011 10 1.22832e+00 6.27686e-01 217 2011 11 1.51000e+00 8.91277e-01 212 2011 12 1.94722e+00 7.62606e-01 228 2012 1 2.53158e+00 1.10196e+00 266 2012 2 2.93338e+00 8.10991e-01 48 2012 3 1.48129e+00 9.83979e-01 220 2012 4 1.04439e+00 4.28631e-01 171 2012 5 7.08970e-01 3.19728e-01 100 2012 6 7.81079e-01 2.10919e-01 42 2012 7 8.35105e-01 6.60374e-02 16 2012 8 1.31552e+00 2.07997e-01 16 2012 9 1.24813e+00 8.12173e-01 108 2012 10 1.43707e+00 7.29976e-01 187 2012 11 1.34696e+00 5.82343e-01 204 2012 12 2.26141e+00 8.94991e-01 109 2013 1 1.99805e+00 1.10404e+00 148 2013 2 2.35246e+00 1.05791e+00 160 2013 3 1.96595e+00 4.13535e-01 143 2013 4 1.16004e+00 5.46026e-01 76 2013 5 8.56549e-01 3.97637e-01 78 2013 6 7.07057e-01 5.05213e-01 33 2013 7 7.67245e-01 8.15873e-02 32 2013 8 9.56409e-01 2.26405e-01 21 2013 9 6.96102e-01 2.09481e-01 92 2013 10 1.10641e+00 5.53426e-01 177 2013 11 1.43968e+00 5.20768e-01 140 2013 12 1.70892e+00 8.23257e-01 200 2014 1 2.79137e+00 7.59684e-01 128 2014 2 1.91712e+00 7.96034e-01 148 2014 3 1.74836e+00 4.69320e-01 144 2014 4 1.65019e+00 1.09475e+00 48 2014 5 nan nan 0 2014 6 7.07369e-01 1.41340e-01 32 2014 7 5.74567e-01 4.21452e-01 52 2014 8 5.30725e-01 2.58790e-01 52 2014 9 3.52128e-01 1.55135e-01 62 2014 10 9.65723e-01 7.82357e-01 289 2014 11 1.77798e+00 1.05376e+00 248 2014 12 1.25036e+00 6.19880e-01 146 2015 1 1.92761e+00 9.86295e-01 217 2015 2 2.10567e+00 9.84103e-01 188 2015 3 1.21680e+00 2.31104e-01 95 2015 4 1.22043e+00 2.68141e-01 35 2015 5 7.35105e-01 1.36753e-01 64 2015 6 6.93601e-01 2.94881e-01 96 2015 7 5.34647e-01 2.09175e-01 16 2015 8 1.34165e+00 8.98120e-01 45 2015 9 1.04551e+00 1.01303e+00 45 2015 10 1.37107e+00 6.42282e-01 92 2015 11 1.12044e+00 7.93919e-01 140 2015 12 1.50190e+00 9.91181e-01 128 2016 1 2.67705e+00 6.87934e-01 176 2016 2 2.28306e+00 9.82958e-01 261 2016 3 2.15444e+00 7.69305e-01 184 2016 4 1.43438e+00 6.72681e-01 114 2016 5 1.01905e+00 2.60041e-01 62 2016 6 7.00633e-01 1.93349e-01 64 2016 7 6.00578e-01 3.14213e-01 95 2016 8 6.39766e-01 2.73065e-01 119 2016 9 1.03498e+00 2.44702e-01 128 2016 10 1.37630e+00 8.97489e-01 124 2016 11 1.01700e+00 5.13497e-01 195 2016 12 1.39725e+00 7.92288e-01 184 2017 1 1.94780e+00 9.52611e-01 160 2017 2 2.06411e+00 8.84177e-01 259 2017 3 1.97535e+00 6.42428e-01 238 2017 4 1.42201e+00 8.05285e-01 144 2017 5 1.31596e+00 3.45271e-01 80 2017 6 3.82695e-01 2.35521e-01 15 2017 7 7.31528e-01 1.30322e+00 28 2017 8 6.52297e-01 3.43740e-01 74 2017 9 8.20273e-01 1.88568e-01 65 2017 10 1.55246e+00 8.89866e-01 147 2017 11 1.05580e+00 6.57183e-01 184 2017 12 1.42382e+00 8.67666e-01 159 2018 1 1.97937e+00 7.73491e-01 208 2018 2 1.76423e+00 5.63222e-01 128 2018 3 2.00863e+00 7.85224e-01 146 2018 4 1.07466e+00 5.15729e-01 105 2018 5 1.33792e+00 2.40792e-01 80 2018 6 7.61323e-01 3.67192e-01 63 2018 7 3.73504e-01 2.67205e-01 46 2018 8 8.59232e-01 1.32922e+00 75 2018 9 5.31280e-01 3.02467e-01 161 2018 10 1.35096e+00 8.72654e-01 195 2018 11 2.02742e+00 8.31223e-01 48 2018 12 1.88657e+00 8.13822e-01 158 2019 1 1.69993e+00 7.15065e-01 109 2019 2 2.06857e+00 8.10509e-01 48 2019 3 1.62666e+00 5.27330e-01 143 2019 4 1.92032e+00 7.04853e-01 105 2019 5 7.94596e-01 3.02850e-01 97 2019 6 1.14099e+00 9.90855e-01 39 2019 7 5.78113e-01 2.78736e-01 62 2019 8 6.46090e-01 7.92828e-01 48 2019 9 9.95358e-01 2.65269e-01 33 2019 10 1.35216e+00 9.40014e-01 113 2019 11 8.75157e-01 4.85955e-01 172 2019 12 2.21189e+00 1.08076e+00 128 2020 1 1.77520e+00 5.36952e-01 160 2020 2 2.03305e+00 7.93240e-01 128 2020 3 1.58226e+00 6.07813e-01 123 2020 4 1.80575e+00 7.60678e-01 123 2020 5 9.32693e-01 9.01075e-01 137 2020 6 7.55257e-01 3.97186e-01 53 2020 7 7.08675e-01 1.27739e-01 32 2020 8 5.27715e-01 2.46228e-01 41 2020 9 1.22980e+00 1.26257e-01 16 2020 10 1.24931e+00 7.43432e-01 99 2020 11 1.26353e+00 9.49029e-01 149 2020 12 1.96583e+00 7.52386e-01 125 2021 1 3.21438e+00 1.00208e+00 103 2021 2 2.10649e+00 9.88419e-01 128 2021 3 1.66765e+00 4.80808e-01 127 2021 4 1.61124e+00 3.13099e-01 62 2021 5 1.00174e+00 4.19261e-01 81 2021 6 1.08434e+00 5.29154e-01 48 2021 7 1.78784e-01 5.28698e-02 10 2021 8 8.22097e-01 6.52654e-02 16 2021 9 1.03408e+00 1.92878e-01 135 2021 10 9.99244e-01 7.15677e-01 108 2021 11 1.14531e+00 3.52736e-01 186 2021 12 1.46391e+00 5.23414e-01 127 2022 1 1.95790e+00 5.47923e-01 195 2022 2 1.59123e+00 4.76206e-01 166 2022 3 1.77044e+00 8.89806e-01 172 2022 4 1.24848e+00 6.71557e-02 16 2022 5 9.29275e-01 1.77199e-01 64 2022 6 8.55534e-01 2.77796e-01 43 2022 7 4.46591e-01 2.34441e-01 29 2022 8 5.42320e-01 3.87136e-01 96 2022 9 9.61416e-01 5.29855e-01 71 2022 10 1.13640e+00 5.92961e-01 260 2022 11 1.71408e+00 9.78061e-01 135 2022 12 1.79344e+00 5.83955e-01 242 2023 1 2.02516e+00 6.23917e-01 198 2023 2 2.07100e+00 6.13545e-01 131 2023 3 1.92653e+00 5.04046e-01 208 2023 4 1.39518e+00 2.38598e-01 48 2023 5 1.27714e+00 1.03892e+00 69 2023 6 5.95914e-01 3.29274e-01 46 2023 7 5.21273e-01 1.86868e-01 34 2023 8 7.71988e-01 5.55323e-01 93 2023 9 9.13365e-01 2.33548e-01 70 2023 10 1.42644e+00 8.33875e-01 112 2023 11 1.14808e+00 4.29657e-01 198 2023 12 1.77337e+00 9.93242e-01 87 2024 1 2.15739e+00 1.13320e+00 97 2024 2 1.72894e+00 5.59838e-01 112 2024 3 1.08978e+00 4.21311e-01 64 2024 4 nan nan 0