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 9.38914e+00 9.30917e+00 32 2002 8 2.75013e+01 1.42092e+01 78 2002 9 1.32876e+01 1.37890e+01 113 2002 10 1.31881e+01 8.90782e+00 144 2002 11 4.93243e+00 6.37338e+00 159 2002 12 4.32715e+00 3.26416e+00 144 2003 1 1.73454e+00 2.06589e+00 216 2003 2 5.43892e+00 4.89001e+00 128 2003 3 0.00000e+00 0.00000e+00 3 2003 4 1.48852e+01 1.89676e+01 53 2003 5 1.83081e+01 1.51682e+01 32 2003 6 3.01788e+01 2.67460e+01 64 2003 7 2.23776e+01 1.33001e+01 22 2003 8 1.84256e+01 1.68954e+01 26 2003 9 1.86058e+01 2.44009e+01 102 2003 10 2.66311e+01 1.91565e+01 195 2003 11 1.07963e+01 1.02746e+01 274 2003 12 7.27092e+00 4.64813e+00 178 2004 1 1.37929e+01 6.17212e+00 112 2004 2 1.33264e+01 1.34960e+01 48 2004 3 8.06416e+00 1.01361e+01 144 2004 4 1.86523e+01 7.97525e+00 155 2004 5 2.21063e+01 5.22196e+00 139 2004 6 3.81001e+01 1.15297e+01 71 2004 7 1.95683e+01 2.45036e+01 19 2004 8 4.26292e+01 1.45486e+01 48 2004 9 1.31774e+01 1.14461e+01 117 2004 10 9.61811e-01 1.54851e+00 56 2004 11 4.86786e+00 1.11893e+01 128 2004 12 4.12751e-01 3.40239e-01 101 2005 1 1.47910e+01 2.01653e+01 207 2005 2 5.12185e+00 7.20415e+00 107 2005 3 2.46792e+00 1.90005e+00 112 2005 4 6.31115e-01 8.19770e-01 62 2005 5 2.79552e+01 1.59593e+01 47 2005 6 2.56783e+01 1.57392e+01 80 2005 7 1.12454e+01 1.06093e+01 65 2005 8 nan nan 0 2005 9 1.38185e+01 1.68527e+01 96 2005 10 1.35562e+01 1.05885e+01 265 2005 11 1.72201e+01 1.02144e+01 272 2005 12 8.43086e+00 5.45486e+00 208 2006 1 6.63369e+00 5.33610e+00 136 2006 2 3.57970e+00 3.98657e+00 160 2006 3 4.96376e+00 4.27226e+00 192 2006 4 2.31479e+01 1.02400e+01 144 2006 5 3.20577e+01 8.20999e+00 173 2006 6 3.29780e+01 1.42983e+01 101 2006 7 2.16265e+01 1.06106e+01 110 2006 8 3.64429e+01 5.85139e+00 80 2006 9 2.17504e+01 6.97286e+00 146 2006 10 1.94290e+01 1.05583e+01 231 2006 11 1.72952e+01 9.34256e+00 213 2006 12 2.03973e+01 9.52720e+00 160 2007 1 4.95651e+00 4.77508e+00 64 2007 2 7.14145e+00 1.16168e+01 144 2007 3 1.86678e+01 1.28216e+01 266 2007 4 2.06808e+01 1.07077e+01 165 2007 5 3.16607e+01 3.82560e+00 92 2007 6 2.65829e+01 6.06819e+00 64 2007 7 3.07472e+01 7.36698e+00 95 2007 8 2.77534e+01 8.27171e+00 96 2007 9 2.09784e+01 7.06615e+00 176 2007 10 2.94970e+01 9.56116e+00 124 2007 11 2.45405e+01 9.22664e+00 240 2007 12 3.22712e+01 1.14773e+01 144 2008 1 2.38119e+01 1.02088e+01 176 2008 2 2.13464e+01 1.38243e+01 237 2008 3 2.61543e+00 4.35585e+00 176 2008 4 1.49128e+01 8.26400e+00 129 2008 5 1.92693e+01 8.19043e+00 160 2008 6 2.67521e+01 1.16365e+01 98 2008 7 3.59633e+01 2.52184e+00 14 2008 8 2.01405e+01 5.85249e-01 16 2008 9 6.60782e+00 1.47255e+01 102 2008 10 7.91161e+00 6.41303e+00 245 2008 11 9.06590e+00 7.50486e+00 226 2008 12 8.42792e+00 1.12595e+01 164 2009 1 7.18930e+00 1.06229e+01 174 2009 2 8.29493e+00 6.05521e+00 221 2009 3 1.53655e+01 8.98500e+00 160 2009 4 6.93516e-01 6.98218e-01 70 2009 5 1.07828e+01 7.21414e+00 64 2009 6 2.17227e+01 1.76113e+01 32 2009 7 2.81056e+01 5.38640e+00 80 2009 8 3.00982e+01 1.05101e+01 96 2009 9 1.76288e+01 1.55355e+01 191 2009 10 1.07082e+01 1.25995e+01 163 2009 11 5.38434e+00 3.71863e+00 160 2009 12 2.93609e-04 4.08332e-04 6 2010 1 3.58574e-01 8.54722e-01 115 2010 2 3.08467e+00 4.76486e+00 112 2010 3 9.95633e-01 2.12620e+00 124 2010 4 2.11687e+00 1.59037e+00 188 2010 5 1.29152e+01 1.60290e+01 70 2010 6 2.03559e+01 6.23153e+00 144 2010 7 1.45855e+01 1.05693e+01 92 2010 8 1.79427e+01 4.34607e+00 32 2010 9 1.93282e+01 8.64111e+00 199 2010 10 1.90070e+01 8.81487e+00 297 2010 11 2.17257e+01 1.05751e+01 240 2010 12 1.62045e+01 7.08612e+00 260 2011 1 2.14149e+01 7.93088e+00 176 2011 2 1.51752e+01 1.04592e+01 135 2011 3 1.64342e+01 1.00070e+01 167 2011 4 1.26160e+01 8.18578e+00 151 2011 5 2.33245e+01 1.36407e+01 144 2011 6 2.31998e+01 5.57374e+00 110 2011 7 2.10588e+01 8.76168e+00 93 2011 8 2.60445e+01 7.64492e+00 122 2011 9 2.59847e+01 8.45685e+00 176 2011 10 1.99546e+01 8.27922e+00 288 2011 11 2.40087e+01 1.01572e+01 190 2011 12 2.86283e+01 1.14770e+01 239 2012 1 2.59031e+01 5.90300e+00 241 2012 2 2.24097e+01 9.26271e+00 64 2012 3 2.08753e+01 1.00963e+01 192 2012 4 2.71967e+01 9.91855e+00 256 2012 5 3.00385e+01 8.03737e+00 112 2012 6 1.50318e+01 8.29362e-01 16 2012 7 1.90719e+01 2.23848e+01 80 2012 8 1.01448e+01 6.38801e+00 10 2012 9 1.20512e+01 1.59803e+01 54 2012 10 1.24810e+01 1.90609e+01 176 2012 11 1.26805e+01 1.04695e+01 224 2012 12 1.34251e+01 9.64358e+00 151 2013 1 1.94336e+01 1.01382e+01 128 2013 2 1.42167e+01 8.43583e+00 117 2013 3 6.90161e-01 1.90400e+00 165 2013 4 1.24701e-01 4.70342e-02 16 2013 5 1.27798e+01 1.13508e+01 64 2013 6 1.93310e+01 1.29881e+01 88 2013 7 nan nan 0 2013 8 7.24234e+00 2.38840e+00 3 2013 9 4.62115e+00 7.50969e+00 176 2013 10 1.38586e+01 1.45038e+01 160 2013 11 8.79501e+00 1.34569e+01 127 2013 12 8.15590e+00 1.33935e+01 104 2014 1 5.25435e+00 7.27081e+00 35 2014 2 2.41947e+00 3.89916e+00 90 2014 3 1.13278e+00 3.82720e+00 80 2014 4 8.10586e-23 9.90408e-23 15 2014 5 nan nan 0 2014 6 5.66989e+01 1.78118e+01 47 2014 7 1.71185e+01 1.35585e+01 61 2014 8 3.61859e+01 9.50801e+00 112 2014 9 3.14652e+01 1.24948e+01 139 2014 10 2.00389e+01 1.06451e+01 302 2014 11 1.21786e+01 4.94867e+00 208 2014 12 1.31762e+01 1.24233e+01 187 2015 1 4.32801e+00 9.06603e+00 146 2015 2 1.01659e+00 1.28226e+00 96 2015 3 2.21296e+01 2.14693e+01 84 2015 4 1.64511e+01 1.72444e+01 40 2015 5 1.77041e+01 1.59288e+01 136 2015 6 3.43357e+01 1.48680e+01 111 2015 7 2.94841e+01 1.35274e+01 60 2015 8 3.84990e+01 1.10702e+01 94 2015 9 2.33943e+01 1.47861e+01 128 2015 10 1.43398e+01 6.04468e+00 208 2015 11 1.02045e+01 1.03613e+01 125 2015 12 7.43235e+00 5.99333e+00 80 2016 1 1.81467e+00 1.53270e+00 128 2016 2 8.80199e-01 1.03931e+00 246 2016 3 6.08632e+00 8.57748e+00 224 2016 4 1.45895e+00 5.05395e+00 13 2016 5 1.54735e+01 7.75034e+00 64 2016 6 2.31583e+01 1.73648e+01 123 2016 7 2.47287e+01 1.50367e+01 153 2016 8 1.32270e+01 1.05763e+01 114 2016 9 6.62986e+00 6.69863e+00 78 2016 10 1.07876e+01 1.12543e+01 240 2016 11 1.77100e+01 9.86354e+00 172 2016 12 2.07317e+01 7.03711e+00 129 2017 1 1.20302e+01 8.88399e+00 144 2017 2 2.78883e+00 4.53759e+00 196 2017 3 1.16017e+01 9.47864e+00 190 2017 4 1.50437e+01 1.49812e+01 152 2017 5 1.72135e+01 5.90205e+00 112 2017 6 6.33561e+00 8.25523e+00 24 2017 7 6.57888e+00 4.51909e+00 32 2017 8 2.85131e+01 2.28009e+01 63 2017 9 1.16368e+01 9.76180e+00 171 2017 10 7.33009e+00 4.59036e+00 196 2017 11 1.75205e+01 9.05649e+00 288 2017 12 2.72816e+01 1.61035e+01 176 2018 1 1.69911e+01 7.53193e+00 236 2018 2 2.02132e+01 9.15919e+00 96 2018 3 1.40786e+01 1.36627e+01 160 2018 4 1.61950e+01 1.80555e+01 118 2018 5 2.42947e+01 1.03526e+01 74 2018 6 1.80225e+01 1.56154e+01 41 2018 7 5.16052e+01 1.45421e+01 80 2018 8 2.08575e+00 2.11247e+00 48 2018 9 1.92477e+01 2.27523e+01 157 2018 10 2.54914e+00 2.62501e+00 315 2018 11 3.38017e+00 3.74501e+00 80 2018 12 7.21314e-01 8.02367e-01 57 2019 1 7.67573e-02 9.17374e-02 73 2019 2 2.60734e+01 1.95665e+01 25 2019 3 3.03801e+00 6.18044e+00 113 2019 4 4.51011e+00 5.84567e+00 80 2019 5 2.01978e+01 1.33241e+01 175 2019 6 2.48204e+01 1.57871e+01 48 2019 7 2.63556e+01 1.31739e+01 85 2019 8 2.43820e+01 1.83396e+01 160 2019 9 1.22581e+01 8.86904e+00 220 2019 10 1.47046e+01 7.31415e+00 144 2019 11 1.43894e+01 1.04426e+01 140 2019 12 2.05493e+01 7.48121e+00 96 2020 1 1.28459e+01 5.99234e+00 136 2020 2 1.43614e+01 6.31825e+00 144 2020 3 1.83824e+01 1.52528e+01 92 2020 4 1.21057e+01 4.58293e+00 80 2020 5 1.39944e+01 9.14431e+00 121 2020 6 1.31976e+01 1.13048e+01 37 2020 7 2.83244e+01 1.30471e+00 32 2020 8 1.83683e+01 8.65571e+00 78 2020 9 9.82094e+00 1.27567e+01 48 2020 10 1.19810e+01 2.00046e+01 159 2020 11 4.81582e+00 1.16383e+01 226 2020 12 2.21057e+00 2.45451e+00 137 2021 1 3.12757e-01 3.10770e-01 59 2021 2 6.40713e-01 1.15279e+00 71 2021 3 1.06336e+00 1.35493e+00 93 2021 4 3.08560e+00 4.34941e+00 96 2021 5 1.08605e+01 1.22970e+01 141 2021 6 3.78095e+01 7.86803e+00 32 2021 7 1.76350e+01 4.10249e+00 32 2021 8 7.64232e+00 1.22159e+01 111 2021 9 1.17386e+01 1.97699e+01 65 2021 10 6.52554e+00 5.49132e+00 65 2021 11 3.00066e+00 5.70601e+00 181 2021 12 2.17018e+01 2.35838e+01 84 2022 1 7.17176e+00 9.32680e+00 147 2022 2 1.11914e+01 1.01752e+01 160 2022 3 7.78170e+00 8.77730e+00 180 2022 4 4.62392e-01 2.54053e-01 48 2022 5 9.83415e+00 6.29705e+00 96 2022 6 2.66647e+01 1.77947e+01 128 2022 7 3.75226e+01 1.74562e+01 49 2022 8 4.23508e+01 1.62568e+01 51 2022 9 2.31182e+01 1.58083e+01 130 2022 10 9.28455e+00 7.98397e+00 295 2022 11 1.61391e+01 9.71986e+00 124 2022 12 1.60892e+01 1.05596e+01 224 2023 1 1.84004e+01 8.33752e+00 208 2023 2 7.14844e+00 5.67115e+00 160 2023 3 7.82143e+00 5.34299e+00 160 2023 4 2.39232e+01 1.54874e+01 96 2023 5 1.72105e+01 1.04660e+01 96 2023 6 2.76738e+01 1.28704e+01 112 2023 7 3.99306e+01 1.59269e+01 56 2023 8 2.46369e+01 1.97171e+01 133 2023 9 5.19609e+00 7.25256e+00 106 2023 10 1.05159e+01 7.83129e+00 258 2023 11 1.95304e+01 1.44492e+01 169 2023 12 0.00000e+00 0.00000e+00 16 2024 1 0.00000e+00 0.00000e+00 12 2024 2 6.85311e+00 1.31194e+01 112 2024 3 1.56434e+00 1.90249e+00 98 2024 4 nan nan 0