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 6.12558e+01 1.88350e-01 266 2002 8 5.92251e+01 4.73790e-01 70 2002 9 5.18815e+01 1.06501e+00 63 2002 10 4.43851e+01 2.20838e+00 201 2002 11 3.59511e+01 5.39489e-03 37 2002 12 3.39279e+01 6.75905e-03 69 2003 1 nan nan 0 2003 2 4.23421e+01 1.64074e+00 823 2003 3 5.12119e+01 2.25657e+00 642 2003 4 5.80465e+01 1.78531e+00 379 2003 5 6.13199e+01 6.26308e-01 832 2003 6 6.24319e+01 3.22974e-01 256 2003 7 6.11966e+01 6.20205e-01 370 2003 8 5.92192e+01 9.65523e-01 258 2003 9 5.30240e+01 1.37745e+00 289 2003 10 4.73070e+01 4.99725e-03 2 2003 11 3.86614e+01 8.85640e-01 487 2003 12 3.44444e+01 2.05476e-01 34 2004 1 3.63141e+01 1.79254e+00 233 2004 2 4.27394e+01 2.61605e+00 603 2004 3 5.21280e+01 2.81679e+00 493 2004 4 5.85921e+01 1.58062e+00 521 2004 5 6.17858e+01 5.51725e-01 729 2004 6 6.25222e+01 1.18480e-01 395 2004 7 6.14740e+01 4.55894e-01 335 2004 8 5.79853e+01 1.17986e+00 416 2004 9 4.98370e+01 4.77926e-02 128 2004 10 4.55131e+01 1.48609e+00 298 2004 11 3.64747e+01 2.72543e-01 255 2004 12 3.32126e+01 4.30942e-01 141 2005 1 3.55718e+01 1.52230e+00 490 2005 2 4.45155e+01 2.07341e+00 672 2005 3 5.23985e+01 2.40306e+00 283 2005 4 5.80920e+01 1.45723e+00 708 2005 5 6.17534e+01 4.27566e-01 535 2005 6 6.27785e+01 1.28835e-01 89 2005 7 6.11579e+01 7.62690e-01 429 2005 8 5.93901e+01 8.80516e-01 365 2005 9 5.28622e+01 1.70932e+00 514 2005 10 4.73172e+01 9.99486e-01 226 2005 11 3.76429e+01 1.85285e+00 775 2005 12 3.42267e+01 4.28395e-01 683 2006 1 3.65830e+01 1.63779e+00 823 2006 2 4.41442e+01 2.30592e+00 637 2006 3 5.08843e+01 1.82200e+00 472 2006 4 5.87161e+01 1.29640e+00 598 2006 5 6.18823e+01 4.68972e-01 424 2006 6 6.26565e+01 1.43971e-01 867 2006 7 6.16094e+01 6.10256e-01 385 2006 8 5.90618e+01 1.66714e+00 260 2006 9 5.30415e+01 1.63851e+00 304 2006 10 4.44544e+01 5.65398e-01 203 2006 11 3.54340e+01 0.00000e+00 2 2006 12 3.39470e+01 6.27481e-01 386 2007 1 3.57008e+01 9.29091e-01 565 2007 2 4.06993e+01 1.55730e+00 170 2007 3 5.39078e+01 1.74572e+00 349 2007 4 5.74924e+01 1.56195e+00 332 2007 5 6.10662e+01 4.51557e-01 496 2007 6 6.27659e+01 6.03935e-02 178 2007 7 6.16770e+01 6.20126e-01 431 2007 8 6.01950e+01 4.19315e-01 105 2007 9 5.53867e+01 1.28323e+00 106 2007 10 4.39100e+01 0.00000e+00 2 2007 11 3.70144e+01 1.37936e+00 259 2007 12 3.41488e+01 3.17939e-01 530 2008 1 3.66181e+01 6.47940e-03 64 2008 2 4.18193e+01 1.81750e+00 591 2008 3 5.31713e+01 1.55015e+00 442 2008 4 5.81170e+01 1.37210e+00 531 2008 5 6.13482e+01 6.68947e-01 456 2008 6 6.25933e+01 1.13503e+00 296 2008 7 6.10554e+01 4.88086e-01 127 2008 8 5.92184e+01 1.08321e+00 415 2008 9 5.51717e+01 1.32842e+00 68 2008 10 4.53124e+01 1.11793e+00 302 2008 11 3.81773e+01 1.14918e+00 438 2008 12 3.39396e+01 5.84754e-02 125 2009 1 nan nan 0 2009 2 4.58889e+01 1.43242e+00 281 2009 3 5.21247e+01 1.87305e+00 704 2009 4 5.78019e+01 1.83093e+00 561 2009 5 6.14404e+01 4.25720e-01 616 2009 6 6.27394e+01 5.36322e-02 236 2009 7 6.15760e+01 3.18995e-01 56 2009 8 5.76285e+01 2.84210e-02 8 2009 9 5.12280e+01 8.02633e-01 322 2009 10 4.68685e+01 1.07368e+00 267 2009 11 3.52855e+01 3.58157e-01 148 2009 12 3.41163e+01 3.55305e-01 369 2010 1 3.80191e+01 4.63646e-03 64 2010 2 4.11736e+01 6.14573e-03 64 2010 3 nan nan 0 2010 4 5.95475e+01 1.44298e-01 110 2010 5 6.13508e+01 7.33092e-01 637 2010 6 6.25170e+01 1.82250e-01 655 2010 7 6.09606e+01 5.95685e-01 527 2010 8 5.85390e+01 1.34628e+00 587 2010 9 5.39854e+01 1.01804e+00 471 2010 10 4.80356e+01 2.75770e+00 156 2010 11 3.77193e+01 3.04476e-01 129 2010 12 nan nan 0 2011 1 nan nan 0 2011 2 4.62580e+01 1.52362e+00 238 2011 3 5.16672e+01 2.22224e+00 941 2011 4 5.81946e+01 1.36297e+00 1024 2011 5 6.14002e+01 6.98255e-01 861 2011 6 6.26908e+01 2.74866e-01 376 2011 7 6.08517e+01 5.73500e-01 400 2011 8 5.97404e+01 8.42740e-01 363 2011 9 5.33304e+01 1.25001e+00 389 2011 10 4.73570e+01 3.91975e-01 168 2011 11 nan nan 0 2011 12 3.36824e+01 2.91659e-01 199 2012 1 3.78197e+01 6.40633e-01 186 2012 2 4.35648e+01 2.09139e+00 511 2012 3 5.07955e+01 1.97252e+00 283 2012 4 5.69327e+01 1.10825e+00 101 2012 5 6.22350e+01 1.13437e-01 139 2012 6 6.27411e+01 9.23274e-02 256 2012 7 6.20171e+01 5.71793e-01 316 2012 8 5.89811e+01 6.10248e-01 460 2012 9 5.46428e+01 9.97256e-01 255 2012 10 4.61857e+01 1.89382e+00 252 2012 11 3.66420e+01 1.32866e+00 529 2012 12 3.37547e+01 6.41262e-01 444 2013 1 3.62624e+01 4.76129e-01 33 2013 2 4.61337e+01 2.75538e-02 64 2013 3 5.29752e+01 1.91655e+00 257 2013 4 5.82037e+01 1.26520e+00 704 2013 5 6.17387e+01 4.92816e-01 691 2013 6 6.27106e+01 1.20854e-01 315 2013 7 6.08416e+01 2.78436e-01 138 2013 8 5.91330e+01 9.88416e-01 345 2013 9 5.08211e+01 9.39157e-01 299 2013 10 4.55479e+01 2.78045e+00 489 2013 11 4.09912e+01 1.19343e+00 67 2013 12 3.39121e+01 2.52280e-01 165 2014 1 nan nan 0 2014 2 4.24688e+01 1.59423e+00 356 2014 3 5.30053e+01 1.38038e+00 143 2014 4 5.83723e+01 1.60481e+00 631 2014 5 6.14692e+01 5.19491e-01 656 2014 6 6.26253e+01 1.70654e-01 465 2014 7 6.12048e+01 6.63720e-01 234 2014 8 5.80836e+01 9.25414e-01 360 2014 9 5.29480e+01 2.75029e+00 305 2014 10 4.74698e+01 1.57763e+00 409 2014 11 3.74167e+01 7.38288e-03 64 2014 12 3.38305e+01 4.74712e-01 172 2015 1 3.46416e+01 8.69173e-02 118 2015 2 nan nan 0 2015 3 5.08510e+01 2.18130e+00 731 2015 4 5.75097e+01 1.48852e+00 448 2015 5 6.17097e+01 4.96703e-01 444 2015 6 6.25509e+01 7.61418e-02 149 2015 7 6.13391e+01 6.54508e-01 28 2015 8 5.88792e+01 7.13909e-01 63 2015 9 5.44389e+01 2.33603e+00 194 2015 10 4.26299e+01 1.35718e+00 244 2015 11 3.83304e+01 2.05715e+00 332 2015 12 3.40864e+01 5.21091e-01 207 2016 1 nan nan 0 2016 2 nan nan 0 2016 3 5.15433e+01 6.63577e-02 103 2016 4 5.87157e+01 1.20599e+00 331 2016 5 6.15138e+01 5.77995e-01 725 2016 6 6.24809e+01 1.80440e-01 576 2016 7 6.12956e+01 4.99636e-01 288 2016 8 5.92413e+01 9.27040e-01 464 2016 9 5.22088e+01 1.63362e+00 481 2016 10 4.65538e+01 1.89961e+00 320 2016 11 3.78966e+01 1.88480e+00 899 2016 12 3.39501e+01 3.68574e-01 584 2017 1 nan nan 0 2017 2 4.55387e+01 3.04107e-01 108 2017 3 5.32645e+01 2.55079e+00 388 2017 4 5.76835e+01 1.44974e+00 479 2017 5 6.17181e+01 4.64250e-01 200 2017 6 6.25509e+01 1.65523e-01 260 2017 7 6.15089e+01 1.55068e-01 286 2017 8 5.86401e+01 1.16387e+00 456 2017 9 5.21996e+01 6.87506e-01 171 2017 10 nan nan 0 2017 11 3.82237e+01 1.86951e+00 971 2017 12 3.38059e+01 1.99958e-01 462 2018 1 3.50904e+01 5.25178e-01 139 2018 2 4.38320e+01 1.72600e+00 816 2018 3 5.12001e+01 2.76089e+00 473 2018 4 5.83831e+01 1.49438e+00 719 2018 5 6.07563e+01 1.44852e-01 256 2018 6 6.25330e+01 1.71532e-01 334 2018 7 6.15524e+01 7.91900e-01 474 2018 8 5.86451e+01 6.46924e-01 278 2018 9 5.23607e+01 1.99279e+00 487 2018 10 4.50421e+01 2.31311e+00 1103 2018 11 3.77769e+01 1.56289e+00 546 2018 12 3.44417e+01 3.72888e-01 460 2019 1 3.58145e+01 1.24071e+00 557 2019 2 4.31192e+01 2.66519e+00 809 2019 3 5.02699e+01 1.93220e+00 474 2019 4 5.76329e+01 1.86532e+00 82 2019 5 6.17459e+01 5.83233e-01 164 2019 6 6.25502e+01 1.41398e-01 678 2019 7 6.07655e+01 4.53131e-01 224 2019 8 5.89322e+01 1.31951e+00 542 2019 9 5.21842e+01 2.05426e+00 119 2019 10 4.52347e+01 1.45673e+00 612 2019 11 4.00224e+01 4.02082e-01 49 2019 12 3.37905e+01 1.65884e-03 8 2020 1 3.53308e+01 6.23037e-01 475 2020 2 4.22624e+01 1.44527e+00 348 2020 3 5.27660e+01 1.73237e+00 640 2020 4 5.69117e+01 1.52299e+00 335 2020 5 6.16298e+01 4.09782e-01 281 2020 6 6.26306e+01 7.46360e-02 396 2020 7 6.08374e+01 5.26966e-01 258 2020 8 5.92193e+01 1.16903e+00 267 2020 9 5.24973e+01 1.25769e+00 362 2020 10 4.33369e+01 1.95844e+00 124 2020 11 3.54748e+01 2.90794e-01 190 2020 12 3.39002e+01 2.89414e-01 525 2021 1 3.78441e+01 9.42770e-01 417 2021 2 4.28855e+01 3.33176e+00 263 2021 3 5.21682e+01 2.63235e+00 748 2021 4 5.92341e+01 1.14426e+00 333 2021 5 6.13669e+01 7.54788e-01 329 2021 6 6.25795e+01 5.09229e-02 184 2021 7 6.09873e+01 6.25125e-01 450 2021 8 5.86876e+01 2.90778e-01 134 2021 9 5.11105e+01 1.15085e+00 629 2021 10 4.57659e+01 1.66468e+00 407 2021 11 3.70090e+01 1.75237e+00 536 2021 12 3.40533e+01 3.85789e-01 1004 2022 1 3.54703e+01 1.33978e+00 388 2022 2 4.55074e+01 1.74237e+00 372 2022 3 5.11596e+01 2.89369e+00 407 2022 4 6.02729e+01 3.13393e-01 78 2022 5 6.07865e+01 3.66758e-01 377 2022 6 6.25666e+01 2.06835e-01 158 2022 7 6.23652e+01 2.65705e-01 137 2022 8 5.76228e+01 8.17538e-01 234 2022 9 5.29054e+01 1.89061e+00 455 2022 10 4.52394e+01 2.80804e+00 631 2022 11 3.78935e+01 2.07104e+00 746 2022 12 3.41557e+01 3.45061e-01 807 2023 1 3.63834e+01 1.83963e+00 818 2023 2 4.34251e+01 2.50963e+00 1152 2023 3 5.03647e+01 2.20566e+00 405 2023 4 5.74846e+01 9.57772e-01 365 2023 5 6.15900e+01 6.44545e-01 256 2023 6 6.26371e+01 1.40638e-01 467 2023 7 6.12417e+01 7.03795e-01 375 2023 8 5.78670e+01 8.98559e-01 136 2023 9 5.41607e+01 5.23660e-01 185 2023 10 4.80974e+01 1.00465e+00 77 2023 11 3.77967e+01 1.62179e+00 278 2023 12 3.42084e+01 3.42662e-01 95 2024 1 3.84098e+01 1.09341e-02 10 2024 2 4.24208e+01 2.60352e+00 206 2024 3 5.19473e+01 2.18169e+00 205 2024 4 nan nan 0