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 8.45029e+00 4.83227e+00 115 2002 8 7.08901e+00 2.35480e+00 207 2002 9 1.02241e+01 4.87232e+00 73 2002 10 6.73958e+00 2.27144e+00 404 2002 11 8.59216e+00 3.04667e+00 495 2002 12 9.61570e+00 5.21472e+00 442 2003 1 1.48808e+01 8.63055e+00 610 2003 2 9.08321e+00 3.56909e+00 371 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 3.21806e+01 8.64577e+00 27 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 3.08039e+01 9.62718e+00 62 2003 10 1.69690e+01 1.02440e+01 386 2003 11 1.38992e+01 9.28462e+00 320 2003 12 8.04984e+00 5.06881e+00 401 2004 1 8.04714e+00 5.10127e+00 634 2004 2 1.30896e+01 9.69422e+00 291 2004 3 2.23442e+01 1.01652e+01 91 2004 4 6.64349e+00 1.97440e+00 195 2004 5 7.67853e+00 2.28001e+00 202 2004 6 6.67032e+00 2.51128e+00 201 2004 7 1.87854e+01 1.02926e+01 99 2004 8 1.26213e+01 7.44815e+00 236 2004 9 2.37500e+01 8.86615e+00 17 2004 10 nan nan 0 2004 11 3.03151e+01 4.11973e+00 4 2004 12 2.32241e+01 1.06027e+01 139 2005 1 1.30873e+01 6.58300e+00 172 2005 2 1.36026e+01 5.41416e+00 130 2005 3 1.57240e+01 9.90106e+00 128 2005 4 4.53506e+01 3.21378e+00 4 2005 5 nan nan 0 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 1.15779e+01 3.33546e+00 69 2005 10 9.39279e+00 5.99809e+00 487 2005 11 9.88618e+00 5.52509e+00 464 2005 12 1.04640e+01 6.83971e+00 398 2006 1 2.15441e+01 9.70816e+00 134 2006 2 2.50628e+01 8.85162e+00 31 2006 3 3.06943e+01 1.06540e+01 158 2006 4 8.94333e+00 2.65677e+00 208 2006 5 7.31340e+00 4.26306e+00 109 2006 6 6.82944e+00 2.72150e+00 98 2006 7 1.56408e+01 7.27104e+00 50 2006 8 9.23385e+00 1.72121e+00 201 2006 9 9.75644e+00 4.70345e+00 399 2006 10 7.11434e+00 3.33833e+00 480 2006 11 4.89065e+00 1.96107e+00 529 2006 12 3.37230e+00 3.29125e+00 354 2007 1 4.15576e+00 1.60154e+00 246 2007 2 5.87135e+00 3.27788e+00 447 2007 3 7.15366e+00 3.09970e+00 536 2007 4 5.54904e+00 1.71456e+00 253 2007 5 7.50040e+00 1.08308e+00 41 2007 6 4.66326e+00 9.04628e-01 64 2007 7 8.22094e+00 4.85572e+00 187 2007 8 8.65683e+00 3.25702e+00 146 2007 9 1.15475e+01 5.64273e+00 114 2007 10 6.50498e+00 4.09541e+00 338 2007 11 6.47248e+00 4.34941e+00 715 2007 12 7.86068e+00 4.22597e+00 515 2008 1 4.19020e+00 1.57643e+00 336 2008 2 9.94389e+00 3.96935e+00 481 2008 3 1.81251e+01 8.69200e+00 193 2008 4 3.09059e+01 9.42980e+00 20 2008 5 1.58399e+01 5.61270e+00 67 2008 6 1.06604e+01 4.91232e+00 153 2008 7 9.12216e+00 3.48956e+00 213 2008 8 1.41457e+01 3.76414e+00 63 2008 9 2.72887e+01 1.05584e+01 70 2008 10 1.59509e+01 8.07114e+00 432 2008 11 7.68286e+00 4.32749e+00 656 2008 12 1.74472e+01 8.83931e+00 423 2009 1 1.37681e+01 9.27203e+00 417 2009 2 7.76763e+00 3.54303e+00 639 2009 3 7.34634e+00 3.86645e+00 461 2009 4 1.53591e+01 7.55524e+00 86 2009 5 1.65771e+01 5.36629e+00 57 2009 6 8.47908e+00 2.21388e+00 51 2009 7 nan nan 0 2009 8 2.28066e+01 8.33164e+00 74 2009 9 2.18155e+01 8.78864e+00 297 2009 10 1.11040e+01 6.56019e+00 597 2009 11 5.15147e+00 1.69081e+00 502 2009 12 6.44264e+00 3.27409e+00 205 2010 1 1.06512e+01 9.44707e+00 596 2010 2 2.02058e+01 1.02662e+01 254 2010 3 1.96942e+01 9.43620e+00 267 2010 4 nan nan 0 2010 5 1.52085e+01 8.69424e+00 128 2010 6 1.32596e+01 5.37233e+00 180 2010 7 2.13315e+01 1.05422e+01 99 2010 8 1.18992e+01 4.11827e+00 44 2010 9 1.45596e+01 8.06877e+00 232 2010 10 8.16913e+00 2.74796e+00 1074 2010 11 6.78628e+00 3.05622e+00 864 2010 12 5.42010e+00 3.15500e+00 484 2011 1 5.09872e+00 2.84354e+00 412 2011 2 6.98969e+00 5.20297e+00 565 2011 3 8.54805e+00 4.14301e+00 590 2011 4 9.25589e+00 4.96962e+00 298 2011 5 5.23803e+00 2.88519e+00 309 2011 6 6.09952e+00 1.52696e+00 48 2011 7 9.14116e+00 4.08722e+00 163 2011 8 6.68776e+00 1.80461e+00 98 2011 9 5.46168e+00 1.20353e+00 424 2011 10 5.11252e+00 1.73265e+00 559 2011 11 4.87106e+00 2.21377e+00 798 2011 12 4.42890e+00 1.98335e+00 610 2012 1 5.02146e+00 3.20605e+00 707 2012 2 3.79992e+00 1.30276e+00 168 2012 3 1.38085e+01 1.03838e+01 347 2012 4 9.34870e+00 5.67597e+00 364 2012 5 6.20085e+00 1.48574e+00 230 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 4.87000e+01 0.00000e+00 1 2012 10 1.48557e+01 5.89599e+00 61 2012 11 9.43524e+00 7.02974e+00 407 2012 12 7.16987e+00 1.91603e+00 331 2013 1 6.22764e+00 3.21078e+00 355 2013 2 5.60552e+00 1.75947e+00 264 2013 3 9.94407e+00 6.87682e+00 276 2013 4 2.68611e-03 6.62392e-04 3 2013 5 1.16854e+01 5.29278e+00 50 2013 6 3.33507e+01 4.47977e+00 4 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 1.21797e-06 1.16205e-06 4 2013 10 1.71002e+01 1.02174e+01 425 2013 11 9.56751e+00 3.84933e+00 187 2013 12 9.45980e+00 6.19703e+00 309 2014 1 1.47269e+01 1.33230e+01 135 2014 2 1.58088e+01 6.89730e+00 195 2014 3 2.39855e+01 1.05635e+01 152 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 1.52275e+01 3.50809e+00 32 2014 7 1.65315e+01 7.64328e+00 116 2014 8 2.26337e+01 9.58142e+00 10 2014 9 7.25632e+00 7.08415e+00 4 2014 10 1.59487e+01 8.64755e+00 471 2014 11 6.62069e+00 2.96049e+00 600 2014 12 1.08836e+01 1.08340e+01 391 2015 1 1.46803e+01 1.04880e+01 349 2015 2 1.21725e+01 6.56262e+00 215 2015 3 2.67325e+01 8.53612e+00 124 2015 4 3.14773e+01 8.71047e+00 46 2015 5 1.55451e+01 9.55465e+00 170 2015 6 1.23321e+01 3.99959e+00 131 2015 7 1.71703e+01 4.39281e-01 2 2015 8 nan nan 0 2015 9 2.07648e+01 5.86715e+00 19 2015 10 1.03465e+01 5.33879e+00 369 2015 11 1.31465e+01 1.09250e+01 296 2015 12 9.31514e+00 5.97920e+00 435 2016 1 1.01656e+01 4.38584e+00 314 2016 2 1.59989e+01 6.59044e+00 198 2016 3 1.66264e+01 9.10449e+00 107 2016 4 2.06610e+01 7.61900e+00 110 2016 5 1.99612e+01 9.43044e+00 107 2016 6 1.01027e+01 3.08215e+00 303 2016 7 1.33258e+01 5.97227e+00 240 2016 8 1.22101e+01 9.34215e+00 149 2016 9 3.16463e+01 6.51341e+00 90 2016 10 9.23324e+00 3.75789e+00 471 2016 11 6.83438e+00 2.54896e+00 649 2016 12 4.98603e+00 2.28220e+00 391 2017 1 8.26175e+00 6.72523e+00 388 2017 2 2.26139e+01 1.01958e+01 161 2017 3 1.26003e+01 6.74414e+00 571 2017 4 8.45270e+00 5.06538e+00 304 2017 5 7.33749e+00 2.60284e+00 112 2017 6 8.51348e+00 4.93546e+00 228 2017 7 nan nan 0 2017 8 3.64633e+01 7.80519e+00 15 2017 9 1.65944e+01 7.66261e+00 8 2017 10 nan nan 0 2017 11 1.38532e+01 7.53535e+00 703 2017 12 9.01520e+00 5.68753e+00 440 2018 1 6.28344e+00 2.15031e+00 420 2018 2 1.58502e+01 1.12807e+01 307 2018 3 1.06703e+01 4.55474e+00 482 2018 4 1.15370e+01 5.92945e+00 296 2018 5 1.15121e+01 5.47996e+00 224 2018 6 nan nan 0 2018 7 nan nan 0 2018 8 2.17545e+01 1.29471e+01 9 2018 9 2.77791e+01 7.85387e+00 41 2018 10 1.79785e+01 9.50480e+00 454 2018 11 1.17312e+01 6.34411e+00 216 2018 12 1.20367e+01 4.32254e+00 194 2019 1 nan nan 0 2019 2 nan nan 0 2019 3 2.62633e+01 9.63728e+00 72 2019 4 1.28211e+01 4.87478e+00 120 2019 5 9.05824e+00 3.07472e+00 226 2019 6 6.41331e+00 1.48956e+00 73 2019 7 4.46944e+00 1.72536e+00 26 2019 8 3.42003e+01 1.30722e+01 18 2019 9 8.74998e+00 2.04878e+00 173 2019 10 8.30749e+00 3.04481e+00 314 2019 11 6.27263e+00 3.10593e+00 570 2019 12 7.06857e+00 4.67477e+00 136 2020 1 9.87937e+00 8.09065e+00 349 2020 2 7.67669e+00 2.85467e+00 241 2020 3 1.60700e+01 1.44338e+01 99 2020 4 1.14861e+01 5.88600e+00 9 2020 5 3.14180e+01 6.89664e+00 7 2020 6 1.04714e+01 0.00000e+00 2 2020 7 2.45331e+01 2.30835e+00 2 2020 8 3.63742e+01 9.40418e+00 10 2020 9 1.58825e+01 7.75372e+00 13 2020 10 1.83844e+01 8.27648e+00 101 2020 11 1.21698e+01 6.17133e+00 432 2020 12 6.33655e+00 2.01892e+00 355 2021 1 1.18951e+01 8.01041e+00 202 2021 2 2.82547e+01 1.00915e+01 162 2021 3 2.90721e+01 1.39042e+01 12 2021 4 3.52818e+01 0.00000e+00 1 2021 5 2.35963e+01 9.58561e+00 55 2021 6 8.41235e+00 3.35977e+00 127 2021 7 nan nan 0 2021 8 nan nan 0 2021 9 1.90080e+01 6.05412e+00 64 2021 10 2.71296e+01 1.00348e+01 90 2021 11 1.10752e+01 7.65316e+00 394 2021 12 1.19024e+01 7.70391e+00 414 2022 1 1.18203e+01 3.47880e+00 370 2022 2 1.37939e+01 7.72768e+00 616 2022 3 1.20024e+01 5.46958e+00 429 2022 4 2.01337e+00 4.02662e+00 5 2022 5 2.38771e+01 9.25979e+00 92 2022 6 1.67402e+01 1.05678e+01 126 2022 7 1.83266e+01 1.05996e+01 147 2022 8 2.82446e+01 9.02658e+00 60 2022 9 2.19537e+01 1.06545e+01 18 2022 10 9.95620e+00 7.44035e+00 835 2022 11 1.35613e+01 6.66335e+00 277 2022 12 9.43741e+00 7.22248e+00 563 2023 1 5.77425e+00 1.73467e+00 655 2023 2 1.53120e+01 1.15334e+01 377 2023 3 2.33646e+01 7.77349e+00 184 2023 4 1.71831e+01 1.10385e+01 240 2023 5 1.68209e+01 6.93743e+00 175 2023 6 1.73527e+01 9.84700e+00 160 2023 7 3.29832e+01 1.01193e+01 21 2023 8 1.92730e+01 1.35164e+01 49 2023 9 3.59243e+01 1.27080e+01 30 2023 10 1.87926e+01 1.22758e+01 374 2023 11 1.15831e+01 5.97195e+00 548 2023 12 1.85305e+01 1.17451e+01 215 2024 1 3.99338e+01 7.58368e+00 8 2024 2 2.17081e+01 7.29251e+00 118 2024 3 2.15430e+01 8.74676e+00 141 2024 4 nan nan 0