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 7.30493e-01 2.03576e-02 17 2002 8 8.80360e-01 4.47785e-02 46 2002 9 1.18953e+00 3.73456e-01 80 2002 10 1.20521e+00 1.67201e-01 106 2002 11 1.79181e+00 2.68715e-01 141 2002 12 1.19425e+00 2.07263e-01 155 2003 1 1.35056e+00 3.65462e-01 186 2003 2 9.17747e-01 1.24587e-01 109 2003 3 3.02547e+00 5.76269e-01 44 2003 4 1.77569e+00 5.39505e-01 126 2003 5 1.29647e+00 2.99583e-01 43 2003 6 1.20240e+00 2.43444e-01 50 2003 7 2.33864e+00 8.72299e-01 48 2003 8 1.59040e+00 6.91777e-01 48 2003 9 1.54808e+00 5.94870e-01 109 2003 10 1.06319e+00 3.19078e-01 191 2003 11 1.22761e+00 3.71326e-01 224 2003 12 9.25126e-01 2.27339e-01 155 2004 1 6.71656e-01 1.58356e-01 145 2004 2 1.64686e+00 5.47809e-01 63 2004 3 9.94496e-01 2.36956e-01 176 2004 4 8.77084e-01 3.11593e-01 122 2004 5 6.67987e-01 1.08132e-01 146 2004 6 8.69684e-01 2.50874e-02 15 2004 7 9.25031e-01 7.46527e-02 64 2004 8 9.92645e-01 3.49756e-01 65 2004 9 1.29467e+00 3.89717e-01 46 2004 10 1.21564e+00 1.98027e-01 70 2004 11 1.27999e+00 2.88083e-01 159 2004 12 2.81466e+00 4.96405e+00 119 2005 1 1.24793e+00 4.00655e-01 198 2005 2 1.04453e+00 1.82157e-01 144 2005 3 1.23806e+00 2.75409e-01 175 2005 4 1.70128e+00 8.15726e-02 16 2005 5 1.10703e+00 3.34950e-01 111 2005 6 1.04311e+00 3.01530e-01 60 2005 7 1.55218e+00 4.31466e-01 96 2005 8 1.55356e+00 3.76170e-01 38 2005 9 9.27535e-01 3.13068e-01 67 2005 10 8.77985e-01 2.68586e-01 240 2005 11 8.16851e-01 3.24938e-01 222 2005 12 8.79005e-01 2.04388e-01 124 2006 1 1.18376e+00 2.71487e-01 102 2006 2 1.13046e+00 2.57879e-01 162 2006 3 1.02061e+00 2.51855e-01 240 2006 4 8.30772e-01 2.69455e-01 151 2006 5 7.26911e-01 2.00154e-01 128 2006 6 5.73446e-01 1.22324e-01 64 2006 7 7.46593e-01 1.36992e-01 48 2006 8 7.09418e-01 1.18971e-01 128 2006 9 8.89415e-01 1.38170e-01 112 2006 10 9.70453e-01 3.24516e-01 180 2006 11 7.70368e-01 2.91368e-01 137 2006 12 9.00186e-01 3.92107e-01 98 2007 1 1.86085e+00 2.93079e-01 65 2007 2 1.41300e+00 2.91085e-01 186 2007 3 8.82219e-01 1.14028e-01 254 2007 4 8.41289e-01 2.32253e-01 147 2007 5 8.13009e-01 2.70047e-01 23 2007 6 7.39552e-01 1.74141e-01 48 2007 7 7.83906e-01 1.74598e-01 112 2007 8 9.06289e-01 1.25532e-01 80 2007 9 1.66968e+00 3.24678e-01 60 2007 10 1.36005e+00 4.86768e-01 128 2007 11 9.61774e-01 2.68272e-01 247 2007 12 7.24807e-01 4.55288e-02 64 2008 1 1.08105e+00 3.21086e-01 110 2008 2 1.29812e+00 5.00891e-01 218 2008 3 1.99911e+00 4.44399e-01 172 2008 4 1.27619e+00 2.68043e-01 112 2008 5 7.51599e-01 1.47661e-01 96 2008 6 6.17179e-01 7.59936e-02 128 2008 7 6.51589e-01 5.99239e-02 53 2008 8 6.59890e-01 1.87396e-02 16 2008 9 1.41405e+00 4.63199e-01 132 2008 10 1.16177e+00 3.97092e-01 256 2008 11 9.44291e-01 2.45627e-01 250 2008 12 1.33630e+00 5.33844e-01 135 2009 1 1.28943e+00 4.20670e-01 148 2009 2 8.52574e-01 2.02341e-01 176 2009 3 1.02660e+00 4.77723e-01 125 2009 4 2.46975e+00 4.18428e-01 48 2009 5 1.01523e+00 1.97785e-01 80 2009 6 6.77298e-01 1.73433e-02 16 2009 7 7.04371e-01 6.48314e-02 37 2009 8 8.20015e-01 6.66492e-02 40 2009 9 9.82018e-01 5.34011e-01 64 2009 10 1.28243e+00 2.98274e-01 181 2009 11 1.65058e+00 2.98485e-01 160 2009 12 2.61367e+00 3.01915e-01 19 2010 1 2.11186e+00 3.33926e-01 25 2010 2 2.58639e+00 9.62011e-02 47 2010 3 1.50066e+00 2.51950e-01 153 2010 4 1.16273e+00 2.95808e-01 144 2010 5 1.25121e+00 9.30651e-02 48 2010 6 8.73858e-01 1.18453e-01 96 2010 7 8.04986e-01 3.21426e-02 64 2010 8 7.31982e-01 8.94486e-02 32 2010 9 8.58905e-01 1.91326e-01 144 2010 10 7.61970e-01 1.49656e-01 304 2010 11 7.99744e-01 1.91781e-01 272 2010 12 9.28879e-01 2.73279e-01 160 2011 1 1.01793e+00 2.32074e-01 168 2011 2 1.10996e+00 2.13241e-01 112 2011 3 9.95165e-01 1.80649e-01 128 2011 4 9.58960e-01 1.68561e-01 144 2011 5 7.18605e-01 7.87405e-02 80 2011 6 8.33994e-01 1.58320e-01 112 2011 7 7.86713e-01 1.00441e-01 80 2011 8 8.97644e-01 8.80917e-02 67 2011 9 7.82193e-01 1.87156e-01 160 2011 10 8.36627e-01 2.06161e-01 239 2011 11 1.21418e+00 5.13276e-01 102 2011 12 1.02653e+00 3.12724e-01 177 2012 1 9.03946e-01 2.10101e-01 159 2012 2 1.24583e+00 1.55822e-01 30 2012 3 1.02909e+00 1.32110e-01 144 2012 4 7.88754e-01 2.01985e-01 208 2012 5 6.35507e-01 1.18511e-01 144 2012 6 2.13827e+00 1.53086e+00 64 2012 7 1.19925e+00 3.01415e-01 80 2012 8 2.16344e+00 1.51180e+00 72 2012 9 1.52947e+00 3.72265e-01 80 2012 10 1.34128e+00 2.00861e-01 189 2012 11 7.34279e-01 1.62993e-01 224 2012 12 5.94728e-01 6.76730e-02 76 2013 1 7.56366e-01 2.54448e-01 110 2013 2 1.14200e+00 5.57466e-01 144 2013 3 2.50819e+00 1.21532e+00 84 2013 4 1.50659e+00 1.53165e-01 78 2013 5 1.09772e+00 1.11063e-01 80 2013 6 8.86737e-01 4.65189e-02 32 2013 7 nan nan 0 2013 8 2.13491e+00 6.93527e-01 74 2013 9 1.58495e+00 4.46096e-01 144 2013 10 1.28629e+00 2.38320e-01 176 2013 11 1.35518e+00 5.98470e-01 83 2013 12 1.01836e+00 3.36203e-01 130 2014 1 1.84954e+00 2.83647e-01 58 2014 2 1.38531e+00 2.65749e-01 144 2014 3 1.86407e+00 4.66104e-01 109 2014 4 1.67598e+00 2.58612e-01 48 2014 5 1.77704e+00 5.68545e-01 118 2014 6 9.71245e-01 8.28503e-02 96 2014 7 8.11393e-01 6.98171e-02 48 2014 8 7.85066e-01 1.28041e-01 84 2014 9 1.04134e+00 1.55234e-01 160 2014 10 1.02714e+00 1.99229e-01 310 2014 11 1.03068e+00 3.25473e-01 152 2014 12 1.20001e+00 4.22589e-01 172 2015 1 1.80568e+00 4.75910e-01 146 2015 2 1.79845e+00 6.92725e-01 141 2015 3 1.13338e+00 1.54636e-01 144 2015 4 8.31463e-01 4.27058e-02 48 2015 5 1.28215e+00 3.37498e-01 144 2015 6 9.62486e-01 1.51277e-01 43 2015 7 8.78301e-01 1.22087e-01 64 2015 8 7.90512e-01 9.69264e-02 98 2015 9 1.22285e+00 2.39774e-01 86 2015 10 9.42684e-01 1.39806e-01 131 2015 11 1.90675e+00 6.72264e-01 188 2015 12 1.69663e+00 4.30369e-01 114 2016 1 2.74177e+00 2.14136e-01 20 2016 2 1.88762e+00 3.59867e-01 127 2016 3 1.21514e+00 4.31548e-01 93 2016 4 2.00353e+00 2.88072e-01 80 2016 5 9.10164e-01 1.69364e-01 112 2016 6 7.90905e-01 6.97668e-02 112 2016 7 8.57722e-01 2.12218e-01 160 2016 8 1.20136e+00 5.41327e-01 123 2016 9 1.20488e+00 3.23490e-01 160 2016 10 1.20718e+00 3.86768e-01 256 2016 11 7.44767e-01 2.57269e-01 176 2016 12 9.29566e-01 1.79195e-01 142 2017 1 1.62945e+00 4.76405e-01 46 2017 2 1.61782e+00 4.55994e-01 195 2017 3 1.07294e+00 3.77760e-01 177 2017 4 8.30966e-01 1.00392e-01 112 2017 5 8.38507e-01 1.70401e-01 96 2017 6 8.21072e-01 7.85434e-02 48 2017 7 1.39879e+00 2.53410e-01 64 2017 8 9.87053e-01 6.00034e-02 36 2017 9 1.03774e+00 1.21701e-01 128 2017 10 1.35087e+00 6.76984e-01 175 2017 11 7.92793e-01 2.06894e-01 252 2017 12 8.75255e-01 2.66066e-01 107 2018 1 9.44932e-01 2.11745e-01 176 2018 2 1.12205e+00 2.76294e-01 96 2018 3 9.36541e-01 2.01721e-01 192 2018 4 7.81863e-01 1.33730e-01 144 2018 5 9.72860e-01 1.33011e-01 82 2018 6 9.82161e-01 2.39041e-01 62 2018 7 9.66252e-01 2.26937e-01 66 2018 8 1.46117e+00 2.90720e-01 62 2018 9 1.06347e+00 1.49647e-01 128 2018 10 1.50871e+00 4.79951e-01 242 2018 11 3.01439e+00 7.88894e+00 100 2018 12 2.42950e+00 1.11169e+00 36 2019 1 2.69434e+00 3.21186e-01 55 2019 2 2.07996e+00 5.81257e-01 62 2019 3 1.28207e+00 1.80554e-01 209 2019 4 1.18231e+00 2.08069e-01 112 2019 5 8.86965e-01 9.70605e-02 129 2019 6 7.99670e-01 4.28718e-02 88 2019 7 9.82562e-01 7.86831e-02 64 2019 8 8.63988e-01 2.35592e-01 134 2019 9 1.11215e+00 3.50662e-01 240 2019 10 1.14594e+00 3.73582e-01 128 2019 11 9.07517e-01 3.29360e-01 176 2019 12 1.19435e+00 3.96372e-01 64 2020 1 1.86939e+00 5.07437e-01 104 2020 2 1.85912e+00 6.09171e-01 80 2020 3 2.10050e+00 6.06240e-01 77 2020 4 1.35661e+00 2.88599e-01 96 2020 5 1.41311e+00 4.43565e-01 96 2020 6 1.07457e+00 3.19727e-01 80 2020 7 8.05083e-01 7.34839e-02 46 2020 8 8.46649e-01 4.32157e-02 48 2020 9 2.10622e+00 1.04519e+00 64 2020 10 1.45059e+00 3.78919e-01 144 2020 11 1.38631e+00 4.19825e-01 179 2020 12 1.08382e+00 2.43464e-01 227 2021 1 1.63873e+00 5.39507e-01 87 2021 2 1.53477e+00 5.08317e-01 48 2021 3 1.76960e+00 2.57821e-01 111 2021 4 1.30568e+00 2.16381e-01 145 2021 5 1.19105e+00 4.34042e-01 92 2021 6 8.05962e-01 1.32812e-01 32 2021 7 1.26424e+00 2.45088e-01 80 2021 8 1.28953e+00 3.03276e-01 144 2021 9 1.69937e+00 6.35630e-01 96 2021 10 1.65026e+00 3.52104e-01 112 2021 11 1.04163e+00 3.52427e-01 207 2021 12 8.63081e-01 1.41768e-01 144 2022 1 1.18509e+00 3.86258e-01 159 2022 2 1.25262e+00 1.48710e-01 116 2022 3 1.28100e+00 4.07084e-01 194 2022 4 1.37097e+00 1.33252e-01 35 2022 5 9.92780e-01 1.71574e-01 52 2022 6 8.94277e-01 1.60575e-01 168 2022 7 7.48254e-01 5.38612e-02 108 2022 8 9.09110e-01 5.45998e-02 68 2022 9 1.43566e+00 4.38539e-01 115 2022 10 9.19512e-01 1.90129e-01 301 2022 11 8.64729e-01 6.19840e-02 99 2022 12 8.18464e-01 1.54906e-01 144 2023 1 8.73300e-01 2.00381e-01 167 2023 2 1.79469e+00 4.85591e-01 110 2023 3 1.14070e+00 1.52225e-01 94 2023 4 1.16568e+00 2.61706e-01 80 2023 5 7.70942e-01 4.78317e-02 65 2023 6 8.97874e-01 9.77792e-02 79 2023 7 9.04245e-01 1.45789e-01 54 2023 8 8.80509e-01 2.08553e-01 64 2023 9 1.12972e+00 3.61686e-01 165 2023 10 1.21588e+00 5.09223e-01 197 2023 11 8.56718e-01 2.23193e-01 115 2023 12 2.25547e+00 1.25568e+00 58 2024 1 1.73628e+00 4.57462e-01 69 2024 2 2.48797e+00 2.37293e+00 74 2024 3 1.64425e+00 1.49525e-01 59 2024 4 nan nan 0