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 5.35706e+00 9.03611e-01 62 2002 8 3.95915e+00 7.17570e-01 54 2002 9 3.19617e+00 1.05226e+00 45 2002 10 3.24666e+00 8.32462e-01 48 2002 11 -1.34881e-01 7.43892e-01 66 2002 12 2.31332e+00 1.09104e+00 58 2003 1 1.57926e+00 8.05078e-01 210 2003 2 2.75453e+00 4.87629e-01 96 2003 3 -4.73447e-01 6.04419e-01 93 2003 4 4.09776e-01 6.50134e-01 71 2003 5 nan nan 0 2003 6 1.87665e+00 1.47395e-01 16 2003 7 -7.87098e-01 4.83213e-01 16 2003 8 5.29407e-01 6.00257e-01 64 2003 9 1.48138e+00 5.13533e-01 64 2003 10 3.02145e+00 1.02613e+00 94 2003 11 2.77395e+00 5.64976e-01 170 2003 12 2.42948e+00 3.60862e-01 115 2004 1 3.19315e+00 3.19174e-01 97 2004 2 9.77059e-01 1.29564e+00 64 2004 3 2.06638e+00 5.73599e-01 156 2004 4 nan nan 0 2004 5 4.77371e+00 5.95404e-01 93 2004 6 4.16877e+00 2.01704e+00 44 2004 7 1.12455e+00 2.55383e-01 7 2004 8 3.42103e+00 5.85168e-01 34 2004 9 2.11437e+00 1.01773e+00 117 2004 10 3.05152e+00 9.14650e-01 66 2004 11 2.73078e+00 4.36387e-01 32 2004 12 1.65500e+00 6.12127e-01 96 2005 1 2.16290e+00 7.66646e-01 120 2005 2 2.30552e+00 2.91466e-01 80 2005 3 2.92221e+00 5.40655e-01 78 2005 4 -8.62011e-01 5.91537e-01 48 2005 5 1.03461e+00 6.56708e-01 27 2005 6 2.17524e+00 2.25865e-01 48 2005 7 2.55935e+00 1.63277e-01 16 2005 8 2.71622e+00 6.38780e-01 32 2005 9 4.99307e+00 6.07014e-01 33 2005 10 3.08585e+00 4.45900e-01 152 2005 11 3.56192e+00 4.37981e-01 112 2005 12 2.80160e+00 5.64731e-01 108 2006 1 2.41104e+00 3.98598e-01 138 2006 2 2.37967e+00 2.57393e-01 142 2006 3 2.66421e+00 4.94555e-01 147 2006 4 3.93878e+00 8.55619e-01 39 2006 5 4.12099e+00 7.63215e-01 71 2006 6 4.42028e+00 1.00901e+00 48 2006 7 4.74020e+00 1.69272e-01 16 2006 8 3.57177e+00 1.33398e-01 16 2006 9 3.97538e+00 1.02575e+00 132 2006 10 3.28549e+00 4.76461e-01 93 2006 11 3.16024e+00 6.46607e-01 185 2006 12 3.98406e+00 8.29387e-01 169 2007 1 3.10810e+00 3.42898e-01 36 2007 2 2.36797e+00 1.01332e+00 150 2007 3 3.50053e+00 3.12865e-01 77 2007 4 4.49679e+00 1.16292e+00 59 2007 5 4.20006e+00 5.72171e-01 38 2007 6 4.76708e+00 4.18893e-01 46 2007 7 4.56234e+00 2.67907e-01 32 2007 8 4.17441e+00 8.12948e-01 40 2007 9 4.28623e+00 1.02823e+00 86 2007 10 3.60486e+00 8.38696e-01 135 2007 11 2.91702e+00 5.23014e-01 102 2007 12 2.70364e+00 9.85391e-01 95 2008 1 5.57882e-01 9.47466e-01 104 2008 2 7.11483e-01 4.65299e-01 153 2008 3 1.97907e-01 8.45137e-01 60 2008 4 1.89834e+00 4.41583e-01 47 2008 5 3.40942e+00 2.74788e-01 14 2008 6 5.69394e+00 5.51716e-01 16 2008 7 nan nan 0 2008 8 4.47897e+00 1.07087e+00 74 2008 9 3.56698e+00 1.16128e+00 32 2008 10 3.37964e+00 9.98475e-01 165 2008 11 3.77012e+00 4.16292e-01 103 2008 12 2.07821e+00 1.41107e+00 94 2009 1 1.90291e+00 4.70785e-01 101 2009 2 2.66607e+00 4.28953e-01 62 2009 3 2.84188e+00 3.73411e-01 84 2009 4 -1.31597e+00 4.43547e-01 43 2009 5 2.09141e+00 2.17740e-01 16 2009 6 1.10813e+00 2.20435e-01 25 2009 7 2.91473e+00 2.82894e-01 16 2009 8 3.39575e+00 2.23743e+00 22 2009 9 6.10283e+00 5.64196e-01 14 2009 10 2.61141e+00 6.94385e-01 111 2009 11 1.69304e+00 6.03108e-01 89 2009 12 4.60112e-02 0.00000e+00 1 2010 1 2.21556e-01 7.23917e-01 128 2010 2 -8.02869e-01 6.90001e-01 33 2010 3 8.97476e-01 8.97323e-01 80 2010 4 2.35425e+00 3.74358e-01 33 2010 5 nan nan 0 2010 6 3.33189e+00 7.19545e-01 45 2010 7 3.72301e+00 8.92506e-01 54 2010 8 6.41992e+00 3.68553e-01 16 2010 9 4.62921e+00 1.24359e+00 95 2010 10 3.47721e+00 7.41022e-01 126 2010 11 3.77550e+00 4.71676e-01 95 2010 12 3.49611e+00 3.02231e-01 166 2011 1 3.17138e+00 2.70848e-01 137 2011 2 2.60579e+00 3.77519e-01 148 2011 3 3.21318e+00 3.73592e-01 115 2011 4 3.40432e+00 3.76478e-01 46 2011 5 4.92990e+00 9.32384e-01 88 2011 6 4.61579e+00 7.29586e-01 52 2011 7 4.04376e+00 1.04130e+00 52 2011 8 3.78445e+00 7.91590e-01 84 2011 9 3.83970e+00 9.61691e-01 98 2011 10 4.19595e+00 6.56522e-01 172 2011 11 4.32299e+00 6.04608e-01 201 2011 12 3.97663e+00 5.89713e-01 126 2012 1 3.59873e+00 4.66380e-01 112 2012 2 3.96891e+00 4.71406e-01 13 2012 3 nan nan 0 2012 4 2.96798e+00 2.05470e-01 16 2012 5 2.14278e+00 1.16462e+01 72 2012 6 5.54851e+00 9.86072e-01 52 2012 7 nan nan 0 2012 8 1.57950e-01 5.80636e-01 16 2012 9 5.66811e-01 3.19918e+00 15 2012 10 1.84206e+00 5.54622e-01 83 2012 11 3.51891e+00 9.87586e-01 100 2012 12 3.11633e+00 4.39781e-01 142 2013 1 3.17552e+00 7.40273e-01 87 2013 2 3.15183e+00 2.61972e-01 66 2013 3 -6.69230e-01 1.08258e+00 51 2013 4 2.01009e+00 2.68192e-01 16 2013 5 2.77328e+00 3.67949e-01 23 2013 6 4.81292e+00 1.54700e+00 32 2013 7 nan nan 0 2013 8 -1.54903e+00 7.47690e-01 48 2013 9 1.47895e-01 1.31979e+00 136 2013 10 1.58927e+00 7.53568e-01 104 2013 11 2.70342e+00 8.50992e-01 126 2013 12 3.24334e+00 6.72338e-01 32 2014 1 9.85689e-01 7.30033e-01 112 2014 2 1.67350e+00 6.68782e-01 120 2014 3 7.18109e-01 4.54634e-01 80 2014 4 -3.50742e-03 1.02911e+00 78 2014 5 3.54703e-01 4.90373e-01 41 2014 6 2.17918e+00 7.52034e-01 48 2014 7 1.92908e+00 3.19423e-01 17 2014 8 4.39212e+00 5.31545e-01 10 2014 9 4.14556e+00 6.44041e-01 44 2014 10 3.01541e+00 9.80571e-01 170 2014 11 2.93218e+00 6.80886e-01 121 2014 12 3.24182e+00 3.69840e-01 125 2015 1 2.07122e+00 1.17239e+00 168 2015 2 2.04908e+00 3.87153e-01 140 2015 3 2.74396e+00 3.57058e-01 64 2015 4 3.55169e+00 2.25954e+00 30 2015 5 2.20711e+00 1.44213e+00 64 2015 6 2.28882e+00 5.31084e-01 58 2015 7 2.87565e+00 3.36582e-01 32 2015 8 4.75360e+00 1.51484e+00 60 2015 9 5.02715e+00 1.56186e+00 32 2015 10 -2.20883e+00 1.17538e+01 41 2015 11 1.16180e+00 1.76936e+00 58 2015 12 1.86539e+00 4.99549e-01 10 2016 1 -6.87640e-01 7.80542e-01 43 2016 2 2.40758e-01 6.49337e-01 177 2016 3 9.38939e-01 7.08478e-01 109 2016 4 -4.52772e-02 3.02028e-01 46 2016 5 nan nan 0 2016 6 4.33888e+00 7.43428e-01 48 2016 7 3.33263e+00 6.14095e-01 48 2016 8 2.20559e+00 5.13865e-01 64 2016 9 5.08521e+00 1.16116e+00 102 2016 10 3.58956e+00 7.47490e-01 120 2016 11 3.83587e+00 6.01565e-01 112 2016 12 2.23706e+00 1.24718e+00 187 2017 1 3.70618e-01 7.30749e-01 80 2017 2 1.02245e+00 6.72842e-01 173 2017 3 1.57165e+00 8.63694e-01 49 2017 4 3.01484e+00 3.45728e-01 40 2017 5 4.50765e+00 7.31509e-01 48 2017 6 4.05294e+00 3.58901e-01 19 2017 7 2.06542e+00 1.25506e+00 56 2017 8 2.55001e+00 5.38579e-01 32 2017 9 3.23229e+00 9.08397e-01 61 2017 10 2.86891e+00 1.11897e+00 84 2017 11 3.19768e+00 7.09478e-01 166 2017 12 3.61446e+00 6.47946e-01 64 2018 1 3.71527e+00 3.74362e-01 168 2018 2 2.07303e+00 2.01189e+00 36 2018 3 1.26951e+00 5.40007e-01 72 2018 4 2.81204e+00 7.03839e-01 73 2018 5 4.09999e+00 0.00000e+00 1 2018 6 2.48433e+00 3.34976e-01 32 2018 7 4.43751e+00 1.03215e+00 32 2018 8 1.03253e+00 1.10354e+00 60 2018 9 3.21126e+00 1.31857e+00 55 2018 10 2.64043e+00 9.24975e-01 101 2018 11 8.32414e-01 1.20159e+00 32 2018 12 6.14350e-01 7.24582e-01 80 2019 1 1.28021e-02 7.42895e-01 128 2019 2 1.21217e+00 9.09657e-01 32 2019 3 2.30269e+00 4.86044e-01 101 2019 4 3.98934e+00 1.10504e+00 32 2019 5 4.74207e+00 1.13530e+00 66 2019 6 1.43537e+01 0.00000e+00 4 2019 7 7.32751e+00 1.72826e+00 14 2019 8 4.31337e+00 1.53376e-01 5 2019 9 4.40152e+00 8.66578e-01 100 2019 10 4.81039e+00 4.47215e-01 80 2019 11 4.16310e+00 3.37119e-01 31 2019 12 3.56206e+00 9.61225e-01 78 2020 1 2.01796e+00 3.46276e-01 32 2020 2 1.48962e+00 3.80006e-01 48 2020 3 1.08036e+00 8.07101e-01 83 2020 4 1.99180e+00 4.94337e-01 20 2020 5 2.13043e+00 4.01680e-01 71 2020 6 4.89823e+00 1.15287e+00 44 2020 7 3.02579e+00 2.17919e-01 22 2020 8 8.45414e+00 7.55777e-02 5 2020 9 -5.63567e-01 2.02014e-01 16 2020 10 1.11003e+00 6.14192e-01 102 2020 11 4.39854e+00 1.07825e+00 26 2020 12 2.86342e+00 6.33967e-01 92 2021 1 1.56180e+00 2.92237e-01 16 2021 2 9.95668e-01 8.59510e-01 112 2021 3 1.32496e+00 6.10522e-01 128 2021 4 1.51952e+00 6.04194e-01 55 2021 5 2.18962e+00 1.01424e+00 46 2021 6 5.73399e+00 2.55954e-01 15 2021 7 1.27923e+00 5.31751e-01 48 2021 8 3.35804e+00 1.45060e+00 28 2021 9 1.32476e+00 1.30395e+00 85 2021 10 1.25356e+00 5.33158e-01 41 2021 11 2.34720e+00 4.44151e-01 84 2021 12 2.39835e+00 3.18705e+00 85 2022 1 2.46459e+00 6.74464e-01 122 2022 2 2.67181e+00 4.43206e-01 78 2022 3 3.00594e+00 1.09692e+00 186 2022 4 4.46673e+00 5.95043e-01 16 2022 5 5.70959e+00 3.33298e-01 7 2022 6 4.09173e+00 1.54495e+00 73 2022 7 4.74994e+00 9.40563e-01 66 2022 8 4.27579e+00 1.84607e+00 58 2022 9 3.64626e+00 1.63539e+00 68 2022 10 4.20324e+00 8.15003e-01 154 2022 11 4.18293e+00 6.50320e-01 111 2022 12 4.38362e+00 1.68098e+00 99 2023 1 3.37031e+00 4.60429e-01 132 2023 2 2.58462e+00 9.11364e-01 144 2023 3 2.98555e+00 3.18773e-01 64 2023 4 3.67827e+00 3.64356e-01 32 2023 5 4.43506e+00 4.41380e-01 32 2023 6 5.20049e+00 2.01680e+00 28 2023 7 1.53289e+00 5.14429e-01 32 2023 8 3.51735e+00 5.18093e-01 60 2023 9 5.13219e+00 1.33188e+00 57 2023 10 4.46481e+00 1.07711e+00 173 2023 11 4.09313e+00 1.14076e+00 108 2023 12 3.26012e+00 3.18160e-01 53 2024 1 2.03599e+00 5.76973e-01 77 2024 2 1.67917e+00 9.15661e-01 86 2024 3 9.40214e-01 1.79799e+00 35 2024 4 nan nan 0