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 3.70620e+00 1.57241e+00 122 2002 8 2.40089e+00 6.84050e-01 218 2002 9 1.49693e+00 9.12585e-01 165 2002 10 7.66443e-01 8.23002e-01 57 2002 11 1.36789e+00 7.34112e-01 85 2002 12 6.50663e-01 7.14788e-01 213 2003 1 1.04586e+00 4.53270e-01 65 2003 2 1.85647e+00 6.01471e-01 155 2003 3 2.03090e+00 1.08393e+00 76 2003 4 1.39840e+00 6.37578e-01 160 2003 5 1.51414e+00 8.12283e-01 142 2003 6 1.35467e+00 5.50887e-01 33 2003 7 2.26195e+00 7.47827e-01 146 2003 8 3.22551e+00 1.58800e+00 100 2003 9 1.36295e+00 4.76780e-01 149 2003 10 2.11028e+00 4.30505e-01 121 2003 11 1.73051e+00 7.75676e-01 101 2003 12 1.13292e+00 7.39020e-01 80 2004 1 1.16158e+00 1.57883e-01 8 2004 2 2.66776e+00 8.07854e-01 84 2004 3 1.41271e+00 6.31010e-01 89 2004 4 1.91220e+00 7.21006e-01 70 2004 5 1.34991e+00 7.27147e-01 94 2004 6 3.23769e-01 3.05053e-01 118 2004 7 2.84695e+00 1.19188e+00 85 2004 8 1.37607e+00 7.66041e-01 137 2004 9 1.40554e+00 8.57971e-01 323 2004 10 1.09107e+00 5.56833e-01 114 2004 11 1.15450e+00 7.73522e-01 164 2004 12 1.06691e+00 7.70006e-01 48 2005 1 1.77944e+00 3.02807e-01 19 2005 2 3.04979e+00 7.31732e-01 80 2005 3 3.34167e+00 1.05040e+00 168 2005 4 2.97490e+00 1.67355e+00 143 2005 5 2.69085e+00 1.35445e+00 76 2005 6 3.54853e+00 7.78111e-01 65 2005 7 9.42635e+00 2.15437e+00 157 2005 8 4.93560e+00 1.38793e+00 222 2005 9 1.84943e+00 8.90281e-01 187 2005 10 6.41830e-01 4.13520e-01 131 2005 11 1.39953e+00 5.33245e-01 26 2005 12 4.05131e+00 2.31491e+00 133 2006 1 3.66186e+00 1.28693e+00 76 2006 2 3.07659e+00 1.78276e+00 50 2006 3 4.31155e+00 1.34603e+00 175 2006 4 4.33782e+00 2.20485e+00 104 2006 5 3.34806e+00 1.45032e+00 74 2006 6 5.67026e-01 5.60552e-01 26 2006 7 5.01608e+00 2.58067e+00 58 2006 8 2.24010e+00 2.03089e+00 260 2006 9 2.75175e+00 7.91433e-01 129 2006 10 2.59178e+00 1.11679e+00 54 2006 11 2.52893e+00 1.32414e+00 152 2006 12 3.73131e+00 1.38138e+00 99 2007 1 3.38390e+00 1.71418e+00 59 2007 2 5.34555e+00 1.33527e+00 26 2007 3 3.28007e+00 1.78417e+00 178 2007 4 6.17300e+00 1.45503e+00 121 2007 5 4.93423e+00 1.61649e+00 87 2007 6 5.06301e+00 1.54762e+00 126 2007 7 7.19988e+00 2.87887e+00 181 2007 8 5.53479e+00 3.57232e+00 55 2007 9 3.33415e+00 1.32749e+00 331 2007 10 1.97110e+00 1.22348e+00 194 2007 11 2.17796e+00 2.05967e+00 106 2007 12 6.76370e+00 0.00000e+00 2 2008 1 4.14633e+00 2.42627e+00 80 2008 2 nan nan 0 2008 3 4.79900e+00 7.08277e-01 69 2008 4 7.27307e+00 1.62846e+00 60 2008 5 3.30841e+00 2.04775e+00 147 2008 6 1.17952e-01 2.08774e-01 31 2008 7 7.00351e-01 3.29820e-01 78 2008 8 1.61778e+00 1.84920e+00 187 2008 9 8.65839e-01 8.05537e-01 119 2008 10 1.10956e+00 8.61852e-01 138 2008 11 4.17813e+00 1.97109e+00 130 2008 12 3.75897e+00 9.69245e-01 56 2009 1 1.43441e+00 1.31483e+00 52 2009 2 4.66519e+00 2.06533e+00 159 2009 3 3.68691e+00 2.05285e+00 201 2009 4 5.79806e+00 1.60094e+00 113 2009 5 8.31828e+00 2.44953e+00 72 2009 6 8.22070e+00 3.17567e+00 58 2009 7 5.94505e+00 1.83120e+00 65 2009 8 1.96669e+00 1.15020e+00 93 2009 9 1.39650e+00 8.27652e-01 248 2009 10 2.30864e+00 1.20670e+00 36 2009 11 2.19834e+00 1.30645e+00 106 2009 12 1.53911e+00 1.18524e+00 84 2010 1 3.87391e+00 1.82708e+00 111 2010 2 6.96923e+00 1.32931e+00 41 2010 3 4.73735e+00 2.27594e+00 277 2010 4 6.23176e+00 2.11139e+00 104 2010 5 4.50927e+00 2.25662e+00 141 2010 6 4.89350e+00 3.01947e+00 80 2010 7 2.63368e+00 2.11077e+00 67 2010 8 8.15470e-01 1.28842e+00 146 2010 9 8.44160e-01 4.75725e-01 73 2010 10 7.56394e-01 1.01415e+00 139 2010 11 9.46864e-01 8.23664e-01 40 2010 12 3.11020e+00 2.12208e+00 74 2011 1 2.97930e+00 2.19517e+00 97 2011 2 3.05799e+00 2.19836e+00 81 2011 3 2.95243e+00 1.02190e+00 163 2011 4 3.86703e+00 1.45674e+00 41 2011 5 6.72861e+00 6.89539e-01 8 2011 6 2.78257e+00 2.10526e+00 88 2011 7 1.75135e+00 1.24849e+00 169 2011 8 1.85033e+00 2.17384e+00 190 2011 9 1.17696e+00 9.31397e-01 132 2011 10 1.27530e+00 1.09322e+00 156 2011 11 5.55962e+00 6.83003e-01 30 2011 12 2.63883e+00 1.94057e+00 131 2012 1 1.89961e+00 1.23664e+00 153 2012 2 4.11727e+00 1.44723e+00 124 2012 3 3.83108e+00 1.76462e+00 98 2012 4 6.37778e+00 2.57141e+00 193 2012 5 9.18348e-01 1.15348e+00 106 2012 6 5.46124e+00 2.17949e+00 78 2012 7 5.43676e+00 1.74212e+00 156 2012 8 3.56016e+00 1.74592e+00 124 2012 9 2.11825e+00 1.05244e+00 205 2012 10 2.77474e+00 5.00527e-01 86 2012 11 5.07593e+00 1.96844e+00 95 2012 12 6.77684e+00 6.33803e-01 28 2013 1 2.13724e+00 1.32074e+00 126 2013 2 5.99670e+00 1.46552e+00 39 2013 3 5.70215e+00 2.84683e+00 145 2013 4 4.60723e+00 1.65655e+00 95 2013 5 7.82445e+00 5.70053e+00 89 2013 6 2.37369e+00 9.28908e-01 32 2013 7 4.20514e+00 9.01487e-01 162 2013 8 3.77326e+00 1.34503e+00 102 2013 9 1.94994e+00 1.12531e+00 202 2013 10 1.81442e+00 7.54330e-01 78 2013 11 3.15208e+00 2.39417e+00 20 2013 12 3.41949e+00 1.47388e+00 58 2014 1 nan nan 0 2014 2 6.03600e+00 1.68830e+00 68 2014 3 6.95295e+00 1.97700e+00 104 2014 4 5.51566e+00 2.81383e+00 86 2014 5 6.56288e+00 2.30006e+00 62 2014 6 4.13507e+00 2.72857e+00 61 2014 7 4.15111e+00 4.92062e-01 40 2014 8 3.94340e+00 1.51646e+00 71 2014 9 2.90878e+00 1.45502e+00 185 2014 10 1.48100e+00 4.95101e-01 99 2014 11 2.63807e+00 1.22884e+00 55 2014 12 4.66445e+00 1.47608e+00 81 2015 1 4.05077e+00 1.02856e+00 29 2015 2 1.03409e+01 7.63832e-01 4 2015 3 5.57576e+00 2.23668e+00 249 2015 4 9.22951e+00 1.18590e+00 95 2015 5 6.76656e+00 3.08063e+00 13 2015 6 4.30395e+00 2.54631e+00 79 2015 7 6.67983e+00 3.57842e+00 145 2015 8 5.24716e+00 1.63886e+00 103 2015 9 1.26407e+00 1.22860e+00 171 2015 10 1.00296e+00 4.43536e-01 149 2015 11 2.96765e+00 1.41439e+00 242 2015 12 1.50928e+00 1.85809e+00 78 2016 1 2.66949e+00 1.58320e+00 79 2016 2 2.68483e+00 1.58830e+00 44 2016 3 6.71813e+00 1.94700e+00 58 2016 4 4.39481e+00 3.37837e+00 67 2016 5 6.30996e+00 2.17009e+00 74 2016 6 3.85527e+00 1.41553e+00 111 2016 7 5.05389e+00 2.00252e+00 70 2016 8 3.26224e+00 2.26784e+00 229 2016 9 1.00166e+00 6.79621e-01 156 2016 10 1.64871e+00 1.25781e+00 59 2016 11 1.10506e+00 1.09101e+00 128 2016 12 6.04663e+00 1.98209e+00 51 2017 1 3.60634e+00 2.69586e+00 113 2017 2 5.65535e+00 1.75967e+00 227 2017 3 4.96909e+00 1.67742e+00 73 2017 4 7.78049e+00 1.57093e+00 116 2017 5 3.07126e+00 2.33527e+00 144 2017 6 1.80105e+00 6.07074e-01 105 2017 7 7.96180e-01 1.30990e+00 178 2017 8 2.58942e+00 1.40582e+00 122 2017 9 1.16891e+00 6.33796e-01 147 2017 10 2.42484e+00 1.61449e+00 145 2017 11 3.11874e+00 1.77472e+00 155 2017 12 3.39004e+00 1.11523e+00 80 2018 1 5.37495e+00 3.13027e+00 54 2018 2 4.22834e+00 3.27209e+00 67 2018 3 5.33472e+00 2.10835e+00 251 2018 4 4.97729e+00 2.07746e+00 167 2018 5 4.15211e+00 3.43694e+00 110 2018 6 1.85342e+00 1.87375e+00 31 2018 7 2.93621e+00 1.30909e+00 143 2018 8 4.36119e+00 2.18780e+00 47 2018 9 1.16477e+00 6.94592e-01 236 2018 10 5.76141e-01 5.67459e-01 68 2018 11 1.59019e+00 3.79839e-01 58 2018 12 2.10253e+00 1.90359e+00 156 2019 1 1.38472e+00 1.91897e+00 73 2019 2 7.35773e-01 7.73445e-01 21 2019 3 2.70944e+00 1.54710e+00 222 2019 4 5.56680e+00 1.70134e+00 95 2019 5 6.71212e+00 2.56123e+00 84 2019 6 nan nan 0 2019 7 5.68351e-01 4.10816e-01 58 2019 8 2.27677e+00 1.78879e+00 183 2019 9 8.02816e-01 0.00000e+00 3 2019 10 4.43440e-01 8.91299e-01 134 2019 11 2.95678e+00 2.02739e+00 59 2019 12 6.42442e-01 8.29926e-01 61 2020 1 8.26677e-01 1.19437e+00 96 2020 2 1.11345e+00 1.11646e+00 182 2020 3 2.08032e+00 6.94214e-01 119 2020 4 4.44965e+00 1.63086e+00 97 2020 5 2.71559e+00 1.42155e+00 137 2020 6 1.81567e+00 1.26065e+00 167 2020 7 2.87375e-01 4.95093e-01 127 2020 8 3.25505e-03 6.77062e-03 19 2020 9 3.12611e-01 1.42227e-01 61 2020 10 2.96073e-01 2.63242e-01 176 2020 11 7.19032e-01 7.99143e-01 223 2020 12 1.06422e+00 5.31585e-01 98 2021 1 1.10663e+00 9.32504e-01 15 2021 2 1.16416e+00 1.57558e+00 100 2021 3 3.50458e+00 1.37021e+00 242 2021 4 6.23228e+00 2.13059e+00 141 2021 5 2.79062e+00 1.29232e+00 41 2021 6 4.00124e+00 1.83722e+00 146 2021 7 1.83375e+00 1.60551e+00 40 2021 8 1.83959e+00 1.44829e+00 162 2021 9 3.91372e-01 4.17445e-01 189 2021 10 6.70423e-01 5.46354e-01 93 2021 11 2.52867e+00 2.46591e+00 103 2021 12 4.86726e+00 1.64602e+00 19 2022 1 2.18545e+00 1.64752e+00 65 2022 2 nan nan 0 2022 3 6.36736e+00 1.54259e+00 72 2022 4 nan nan 0 2022 5 6.96277e+00 1.06127e+00 34 2022 6 8.42943e-01 1.50915e+00 96 2022 7 6.43078e+00 7.75900e-01 25 2022 8 2.58075e+00 1.99167e+00 154 2022 9 1.79209e+00 9.64755e-01 219 2022 10 1.64672e+00 6.62239e-01 574 2022 11 2.30401e+00 2.46529e+00 404 2022 12 2.19010e+00 2.43742e+00 100 2023 1 4.88795e+00 2.87786e+00 281 2023 2 3.80093e+00 2.65501e+00 576 2023 3 6.26696e+00 4.26765e+00 414 2023 4 6.08163e+00 4.40498e+00 408 2023 5 3.15244e+00 2.59093e+00 398 2023 6 4.43893e+00 1.59847e+00 136 2023 7 2.86449e+00 1.27595e+00 140 2023 8 2.90739e+00 2.71994e+00 311 2023 9 1.87791e+00 1.30638e+00 398 2023 10 7.88551e-01 7.70473e-01 138 2023 11 3.49337e+00 2.79976e+00 532 2023 12 4.54723e+00 3.31917e+00 180 2024 1 1.90902e+00 1.70025e+00 172 2024 2 3.76494e+00 2.84405e+00 382 2024 3 4.64968e+00 2.68149e+00 438 2024 4 nan nan 0