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 2.88199e+00 2.02594e+00 347 2002 8 4.35286e+00 4.11804e+00 558 2002 9 3.89633e+00 1.93485e+00 576 2002 10 2.28286e+00 6.25425e-01 660 2002 11 5.61770e+00 3.82704e+00 320 2002 12 1.76152e+00 4.72544e-01 681 2003 1 1.41250e+00 2.42495e-01 685 2003 2 2.01445e+00 6.38218e-01 575 2003 3 2.43078e+00 9.64940e-01 640 2003 4 1.03246e+01 1.63570e+01 414 2003 5 3.33251e+00 7.42054e-01 239 2003 6 6.98300e+00 4.38922e+00 318 2003 7 4.67522e+00 3.94967e+00 596 2003 8 4.24071e+00 9.00843e+00 644 2003 9 6.64218e+00 1.41516e+01 794 2003 10 1.16844e+01 1.14099e+01 443 2003 11 1.20205e+01 1.85404e+01 656 2003 12 2.49066e+00 6.64817e-01 651 2004 1 1.28630e+00 2.16164e-01 893 2004 2 1.31603e+00 2.64656e-01 784 2004 3 2.33394e+00 9.46825e-01 512 2004 4 7.16488e+00 5.10121e+00 407 2004 5 9.56770e+00 1.26281e+01 318 2004 6 3.51722e+00 4.87575e+00 622 2004 7 1.77724e+00 7.30992e-01 132 2004 8 2.43539e+00 1.26084e+00 633 2004 9 1.97624e+00 9.81938e-01 671 2004 10 9.65372e+00 1.92534e+01 681 2004 11 2.23827e+00 5.07968e-01 774 2004 12 1.91861e+00 6.62916e-01 449 2005 1 2.15782e+00 5.45488e-01 640 2005 2 1.90135e+00 5.22115e-01 576 2005 3 5.23101e+00 7.16434e+00 860 2005 4 8.69112e+00 5.40127e+00 704 2005 5 6.60903e+00 3.84762e+00 341 2005 6 1.35687e+01 2.28718e+01 537 2005 7 8.44172e+00 1.47957e+01 444 2005 8 1.68360e+00 6.58460e-01 718 2005 9 6.06945e+00 6.43622e+00 926 2005 10 6.39965e+00 1.01288e+01 462 2005 11 7.19145e+00 1.14563e+01 643 2005 12 2.06192e+00 4.00051e-01 576 2006 1 2.00870e+00 1.81630e+00 826 2006 2 1.83861e+00 3.24183e-01 647 2006 3 2.56635e+00 1.24615e+00 802 2006 4 6.42350e+00 1.09174e+01 569 2006 5 9.03734e+00 5.85183e+00 192 2006 6 2.85089e+00 1.35900e+00 244 2006 7 6.85807e+00 4.17092e+00 237 2006 8 2.50142e+00 1.31631e+00 845 2006 9 4.69865e+00 4.04219e+00 512 2006 10 4.46480e+00 4.32668e+00 766 2006 11 4.78038e+00 5.08810e+00 606 2006 12 2.22800e+00 9.51239e-01 532 2007 1 1.43541e+00 4.94621e-01 512 2007 2 1.17933e+00 4.81940e-01 761 2007 3 3.08545e+00 2.64042e+00 704 2007 4 9.41915e+00 3.22599e+00 481 2007 5 1.05687e+01 8.75818e+00 571 2007 6 3.38172e+00 1.00679e+00 194 2007 7 1.53795e+00 1.10520e+00 517 2007 8 2.51382e+00 9.82393e-01 448 2007 9 3.04393e+00 2.45726e+00 960 2007 10 6.50123e+00 2.64552e+00 552 2007 11 2.80453e+00 7.36591e-01 640 2007 12 1.63156e+00 4.61196e-01 336 2008 1 1.63466e+00 5.17170e-01 551 2008 2 1.52714e+00 3.24321e-01 544 2008 3 2.76685e+00 2.42076e+00 754 2008 4 6.87061e+00 1.30549e+01 529 2008 5 2.18163e+01 2.28958e+01 384 2008 6 2.08117e+00 1.19294e+00 438 2008 7 2.49059e+00 1.23016e+00 504 2008 8 1.11536e+01 1.93475e+01 1096 2008 9 6.78146e+00 9.96371e+00 935 2008 10 7.68775e+00 8.77647e+00 896 2008 11 3.21086e+00 1.56895e+00 580 2008 12 1.89157e+00 3.89492e-01 384 2009 1 8.37194e-01 3.04982e-01 1092 2009 2 8.53207e-01 2.75861e-01 634 2009 3 1.82511e+00 1.45232e+00 640 2009 4 1.06997e+01 1.25898e+01 468 2009 5 1.07038e+01 1.62902e+01 360 2009 6 1.66629e+00 1.04993e+00 278 2009 7 7.57516e+00 1.51847e+01 544 2009 8 1.77225e+00 5.46122e-01 473 2009 9 1.28817e+01 2.07927e+01 753 2009 10 2.10055e+00 2.01374e+00 517 2009 11 4.68095e+00 5.33108e+00 488 2009 12 2.81684e+00 1.90325e+00 499 2010 1 1.46607e+00 4.35987e-01 768 2010 2 1.90780e+00 4.49164e-01 576 2010 3 4.11196e+00 2.06313e+00 640 2010 4 1.50350e+01 1.26685e+01 640 2010 5 3.71013e+00 3.73234e+00 758 2010 6 1.88226e+00 1.13086e+00 525 2010 7 2.07535e+00 1.14272e+00 591 2010 8 2.62770e+00 1.43109e+00 844 2010 9 3.10568e+00 2.00396e+00 844 2010 10 5.11775e+00 2.73072e+00 722 2010 11 3.65048e+00 1.12118e+00 576 2010 12 2.16998e+00 6.19405e-01 306 2011 1 1.70642e+00 5.32850e-01 636 2011 2 1.30888e+00 9.32848e-02 520 2011 3 3.85749e+00 3.04437e+00 718 2011 4 5.05926e+00 4.86363e+00 319 2011 5 4.26895e+00 1.50602e+00 226 2011 6 3.57660e+00 2.71285e+00 291 2011 7 2.98295e+00 3.31194e+00 618 2011 8 5.17017e+00 1.52739e+01 833 2011 9 4.51400e+00 1.00468e+01 417 2011 10 3.74286e+00 2.16249e+00 446 2011 11 6.54664e+00 8.22364e+00 768 2011 12 3.30010e+00 3.98018e+00 512 2012 1 1.74809e+00 1.33778e+00 756 2012 2 1.42381e+00 4.56396e-01 684 2012 3 4.77214e+00 7.38469e+00 832 2012 4 3.28002e+00 3.19547e+00 545 2012 5 1.01451e+01 1.52233e+01 350 2012 6 4.98484e+00 3.75848e+00 512 2012 7 2.45837e+00 8.50791e-01 659 2012 8 5.47858e+00 6.20138e+00 687 2012 9 4.08722e+00 7.38446e+00 838 2012 10 9.37520e+00 1.11517e+01 512 2012 11 2.54157e+00 4.01068e-01 527 2012 12 2.32259e+00 9.02579e-01 364 2013 1 1.88539e+00 2.18989e-01 563 2013 2 1.88536e+00 3.69276e-01 558 2013 3 1.87031e+00 5.62135e-01 285 2013 4 2.47668e+00 1.06998e+00 906 2013 5 2.32072e+00 9.44349e-01 316 2013 6 3.35263e+00 1.12843e+00 384 2013 7 2.38392e+00 1.05707e+00 440 2013 8 6.63279e+00 7.93317e+00 844 2013 9 7.01651e+00 1.14337e+01 1129 2013 10 1.02628e+01 1.63130e+01 568 2013 11 8.09565e+00 7.89601e+00 923 2013 12 1.50916e+00 5.14188e-01 533 2014 1 1.80652e+00 4.60173e-01 519 2014 2 1.31922e+00 3.01844e-01 644 2014 3 1.54577e+00 5.19074e-01 512 2014 4 6.33872e+00 1.10910e+01 396 2014 5 5.09274e+00 3.61774e+00 320 2014 6 2.76041e+00 2.32110e+00 527 2014 7 4.36165e+00 5.21016e+00 344 2014 8 2.55924e+00 1.25385e+00 960 2014 9 4.16683e+00 2.92317e+00 909 2014 10 3.71581e+00 2.69117e+00 530 2014 11 2.44792e+00 5.74138e-01 320 2014 12 2.20327e+00 1.37743e+00 241 2015 1 1.63003e+00 5.64501e-01 540 2015 2 1.75339e+00 7.38829e-01 522 2015 3 1.68963e+00 5.34836e-01 744 2015 4 1.04933e+00 2.33725e-01 578 2015 5 3.34795e+00 2.40084e+00 510 2015 6 1.39411e+00 6.66407e-01 451 2015 7 4.21918e+00 3.49057e+00 461 2015 8 1.80884e+00 9.17558e-01 704 2015 9 3.45573e+00 4.75182e+00 854 2015 10 5.89716e+00 6.81270e+00 766 2015 11 5.09411e+00 2.66180e+00 779 2015 12 3.68903e+00 1.17992e+00 323 2016 1 2.15767e+00 2.99799e-01 450 2016 2 2.56721e+00 1.84566e+00 576 2016 3 2.20745e+00 1.49105e+00 686 2016 4 6.33340e+00 1.08726e+01 824 2016 5 3.20597e+00 5.37041e+00 275 2016 6 1.74590e+00 5.26535e-01 577 2016 7 1.92742e+00 8.66455e-01 589 2016 8 2.58021e+00 1.52574e+00 961 2016 9 8.44067e+00 7.52114e+00 629 2016 10 6.62298e+00 8.11709e+00 623 2016 11 5.46153e+00 2.32701e+00 768 2016 12 1.01884e+01 1.17204e+01 531 2017 1 1.61694e+00 6.29131e-01 576 2017 2 2.36122e+00 2.42643e+00 618 2017 3 1.97174e+00 5.94532e-01 960 2017 4 2.24859e+00 6.94864e-01 512 2017 5 1.95314e+01 2.62007e+01 443 2017 6 1.01190e+01 1.95663e+01 470 2017 7 2.42166e+00 2.96472e+00 697 2017 8 3.62831e+00 3.55522e+00 616 2017 9 8.37190e+00 1.65759e+01 735 2017 10 1.12341e+01 6.77739e+00 647 2017 11 5.93684e+00 5.16515e+00 640 2017 12 2.71348e+00 5.67220e+00 388 2018 1 1.70402e+00 5.70038e-01 640 2018 2 1.61655e+00 6.54832e-01 441 2018 3 2.16831e+00 5.69057e-01 444 2018 4 2.13505e+00 9.31116e-01 640 2018 5 1.32994e+01 1.84507e+01 493 2018 6 3.14014e+00 2.26275e+00 527 2018 7 5.08587e+00 8.23742e+00 805 2018 8 3.37176e+00 2.60114e+00 661 2018 9 3.39339e+00 4.14600e+00 404 2018 10 6.43438e+00 5.72044e+00 657 2018 11 3.40711e+00 5.61947e+00 531 2018 12 2.18582e+00 1.08718e+00 975 2019 1 1.83105e+00 9.53060e-01 779 2019 2 2.06701e+00 1.34532e+00 506 2019 3 9.86598e-01 1.36655e-01 949 2019 4 5.24562e+00 4.65719e+00 507 2019 5 4.50380e+00 3.25834e+00 174 2019 6 1.14877e+01 1.94598e+01 352 2019 7 3.01883e+00 1.47437e+00 801 2019 8 2.94013e+00 1.76016e+00 546 2019 9 6.71966e+00 6.21491e+00 925 2019 10 1.28988e+01 1.33118e+01 376 2019 11 3.61861e+00 1.61645e+00 713 2019 12 2.29303e+00 4.69559e+00 516 2020 1 1.85041e+00 5.37428e-01 798 2020 2 1.98162e+00 7.82634e-01 564 2020 3 2.02504e+00 5.87119e-01 704 2020 4 4.85490e+00 3.82651e+00 304 2020 5 3.89319e+00 3.01962e+00 577 2020 6 2.54776e+00 1.13607e+00 318 2020 7 1.90375e+00 2.57843e-01 561 2020 8 2.34989e+00 4.92855e-01 320 2020 9 1.24920e+01 1.91074e+01 423 2020 10 6.43560e+00 1.05682e+01 704 2020 11 6.44538e+00 6.25791e+00 531 2020 12 3.23819e+00 1.84701e+00 384 2021 1 2.85807e+00 1.31455e+00 448 2021 2 1.68023e+00 2.71555e-01 461 2021 3 3.63164e+00 3.27745e+00 1152 2021 4 1.71974e+00 5.33708e-01 769 2021 5 8.48692e+00 1.03191e+01 551 2021 6 2.88532e+00 2.78812e+00 512 2021 7 9.46005e+00 7.37679e+00 278 2021 8 2.99245e+00 1.55864e+00 406 2021 9 4.46688e+00 3.84559e+00 790 2021 10 1.04289e+01 9.09817e+00 637 2021 11 1.22940e+01 1.73678e+01 836 2021 12 3.67108e+00 2.18870e+00 320 2022 1 1.64946e+00 5.34953e-01 569 2022 2 1.30995e+00 2.23911e-01 803 2022 3 3.49948e+00 3.75939e+00 640 2022 4 3.85773e+00 8.29681e-01 249 2022 5 7.04423e+00 6.57344e+00 259 2022 6 2.52978e+00 1.48144e+00 559 2022 7 3.61485e+00 6.09643e+00 966 2022 8 2.17445e+00 1.06795e+00 801 2022 9 5.51644e+00 6.50559e+00 756 2022 10 1.21144e+01 1.46961e+01 774 2022 11 3.73492e+00 3.44374e+00 979 2022 12 4.31414e+00 5.54150e+00 578 2023 1 2.47184e+00 2.10577e+00 371 2023 2 1.46973e+00 9.33603e-01 357 2023 3 1.30733e+00 6.28054e-01 557 2023 4 5.81912e+00 8.44407e+00 561 2023 5 5.60767e+00 6.39620e+00 529 2023 6 2.21672e+00 1.45695e+00 448 2023 7 8.39715e+00 1.50589e+01 656 2023 8 4.00072e+00 2.16626e+00 771 2023 9 8.79207e+00 1.35067e+01 503 2023 10 4.28307e+00 6.56706e+00 832 2023 11 9.79485e+00 7.67798e+00 661 2023 12 4.08330e+00 4.64751e+00 384 2024 1 3.40073e+00 2.36799e+00 445 2024 2 7.92351e+00 1.79303e+01 904 2024 3 3.00099e+00 9.94370e-01 531 2024 4 nan nan 0