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 2.57341e-01 2.15647e-01 161 2002 8 2.42856e-01 6.09680e-02 504 2002 9 2.67345e-01 5.39882e-02 423 2002 10 2.57647e-01 5.42026e-02 806 2002 11 3.60083e-01 1.42951e-01 979 2002 12 4.35262e-01 1.22388e-01 794 2003 1 5.75891e-01 2.51692e-01 973 2003 2 3.75927e-01 8.35448e-02 640 2003 3 2.65924e+00 2.10247e-01 39 2003 4 5.79515e-01 4.45265e-01 238 2003 5 1.55012e+03 7.86724e+03 136 2003 6 3.01193e-01 1.93700e-01 406 2003 7 3.57598e-01 4.53664e-02 51 2003 8 5.48336e-01 3.62185e-01 206 2003 9 2.76349e-01 1.62916e-01 552 2003 10 4.69749e-01 3.58832e-01 941 2003 11 3.41648e-01 1.39788e-01 1009 2003 12 5.13590e-01 2.07762e-01 924 2004 1 9.58360e-01 7.83965e+00 643 2004 2 3.17810e-01 4.96982e-02 308 2004 3 2.70732e+00 1.90906e+01 620 2004 4 6.58278e-01 1.10026e+00 527 2004 5 3.69168e-01 7.97146e-02 500 2004 6 4.34596e-01 7.07361e-01 334 2004 7 5.90075e-01 1.54853e+00 356 2004 8 2.80959e-01 1.26197e-01 413 2004 9 3.65512e-01 1.14513e-01 509 2004 10 1.27469e+00 5.89147e-01 258 2004 11 1.62733e+00 1.42436e+00 512 2004 12 3.49754e+00 1.69097e+01 575 2005 1 5.85702e-01 2.83923e-01 699 2005 2 1.02569e+00 2.13381e+00 475 2005 3 5.81490e-01 3.67161e-01 583 2005 4 5.89883e-01 3.48209e-01 256 2005 5 2.29304e+04 1.14225e+05 391 2005 6 3.81903e-01 1.68405e-01 381 2005 7 8.39623e-01 5.55861e-01 314 2005 8 7.19699e-01 4.29529e-01 128 2005 9 1.81092e+00 9.80037e+00 390 2005 10 3.72520e-01 1.62045e-01 957 2005 11 3.44873e-01 9.14625e-02 1223 2005 12 3.72971e-01 7.91620e-02 1024 2006 1 4.57263e-01 1.83360e-01 1076 2006 2 5.24193e-01 2.97379e-01 798 2006 3 1.54571e+00 3.32099e+00 1015 2006 4 1.60835e+00 2.13748e+00 571 2006 5 3.29158e-01 1.86769e-01 637 2006 6 3.63377e-01 1.95984e-01 279 2006 7 4.21021e-01 5.96000e-01 487 2006 8 3.65411e-01 1.36822e-01 392 2006 9 3.14969e-01 9.44580e-02 684 2006 10 3.01720e-01 1.27613e-01 1071 2006 11 2.93511e-01 6.48241e-02 907 2006 12 3.36130e-01 1.94546e-01 636 2007 1 2.39592e-01 4.95313e-02 576 2007 2 2.73949e-01 5.47779e-02 935 2007 3 2.62790e-01 5.38199e-02 1048 2007 4 2.98643e-01 9.95025e-02 831 2007 5 2.72838e-01 5.75542e-02 263 2007 6 2.65664e-01 3.41981e-02 279 2007 7 3.33857e-01 7.57807e-02 415 2007 8 2.87083e-01 4.21107e-02 462 2007 9 2.53298e-01 9.40732e-02 588 2007 10 1.97655e-01 2.30771e-02 640 2007 11 2.05312e-01 2.81388e-02 1135 2007 12 2.20177e-01 9.99078e-02 763 2008 1 2.13271e-01 5.94514e-02 938 2008 2 1.95573e-01 4.24475e-02 1185 2008 3 3.45082e-01 2.19616e-01 970 2008 4 3.07760e+00 6.32464e+00 506 2008 5 3.99876e+00 1.41699e+01 618 2008 6 5.29557e-01 9.15167e-01 528 2008 7 2.83377e-01 1.19104e-01 366 2008 8 3.58021e-01 5.09318e-02 192 2008 9 3.93873e+02 2.40516e+03 695 2008 10 6.20741e-01 6.96189e-01 1077 2008 11 1.04460e+00 3.36332e+00 889 2008 12 5.31552e-01 2.70293e-01 802 2009 1 4.42421e-01 1.59779e-01 704 2009 2 6.08499e-01 1.03259e+00 958 2009 3 2.98271e-01 8.54401e-02 894 2009 4 6.03544e-01 5.92504e-01 674 2009 5 6.47420e-01 5.92926e-01 91 2009 6 2.80344e+01 2.62920e+02 509 2009 7 8.29659e-01 1.37199e+00 332 2009 8 3.82992e-01 1.71736e-01 512 2009 9 2.83308e-01 1.71687e-01 722 2009 10 3.03779e-01 6.91120e-02 925 2009 11 3.71819e-01 1.41869e-01 525 2009 12 4.25957e-01 1.13273e-01 192 2010 1 6.34836e-01 1.66121e-01 956 2010 2 1.89401e+00 2.51236e+00 832 2010 3 9.61696e-01 4.10350e-01 739 2010 4 7.20685e+04 8.74060e+05 344 2010 5 1.18280e+00 2.59652e+00 554 2010 6 3.57486e-01 2.44275e-01 574 2010 7 5.58225e-01 9.94469e-01 401 2010 8 3.02326e-01 8.15360e-02 313 2010 9 4.27662e-01 4.01398e-01 722 2010 10 6.94081e-01 1.53363e+00 1566 2010 11 3.04341e-01 1.11756e-01 1241 2010 12 3.14096e-01 7.86826e-02 1088 2011 1 2.72144e-01 2.75187e-02 680 2011 2 2.83943e-01 5.94914e-02 576 2011 3 2.82282e-01 4.35462e-02 860 2011 4 1.79105e+00 6.80473e+00 821 2011 5 4.19495e-01 3.39881e-01 597 2011 6 3.83446e-01 1.08835e-01 317 2011 7 3.58599e-01 7.59117e-02 296 2011 8 3.36251e-01 1.74823e-01 698 2011 9 2.45750e-01 6.33605e-02 749 2011 10 2.38020e-01 5.50670e-02 1093 2011 11 2.00419e-01 3.33106e-02 1083 2011 12 1.92782e-01 2.17169e-02 1044 2012 1 2.50931e-01 8.96201e-02 1109 2012 2 1.97440e-01 1.93296e-02 318 2012 3 2.49024e-01 6.91501e-02 893 2012 4 2.93532e-01 1.20806e-01 845 2012 5 2.51353e-01 3.19210e-02 551 2012 6 5.26071e-01 3.79130e-01 306 2012 7 6.30634e+00 2.86324e+01 125 2012 8 6.31242e-01 4.70133e-01 153 2012 9 7.00764e-01 2.73857e-01 510 2012 10 5.37897e-01 3.13176e-01 748 2012 11 9.99785e-01 1.80610e+00 1065 2012 12 5.71032e-01 6.92477e-01 545 2013 1 3.81535e-01 2.24337e-01 771 2013 2 2.99074e-01 4.65816e-02 628 2013 3 5.28796e-01 3.86110e-01 706 2013 4 6.80487e+02 1.30292e+04 368 2013 5 1.16133e+00 1.66627e+00 524 2013 6 4.88144e-01 5.99894e-01 335 2013 7 3.79650e-01 5.08813e-02 128 2013 8 3.69941e-01 2.11571e-01 118 2013 9 6.85833e-01 6.83754e-01 575 2013 10 2.55067e+00 3.68791e+01 916 2013 11 4.38741e-01 2.68791e-01 574 2013 12 2.66804e-01 1.17489e-01 874 2014 1 4.02492e-01 1.10022e-01 448 2014 2 5.33274e-01 1.11914e-01 640 2014 3 3.20640e+00 1.31973e+01 607 2014 4 3.76764e+00 6.24020e+00 279 2014 5 nan nan 0 2014 6 3.27178e-01 1.96666e-01 174 2014 7 3.91601e+00 1.25291e+01 400 2014 8 3.25608e-01 1.32401e-01 406 2014 9 2.00373e-01 5.49740e-02 393 2014 10 5.22711e-01 7.45323e-01 1354 2014 11 3.56488e-01 1.47266e-01 1024 2014 12 3.16598e-01 2.08903e-01 834 2015 1 3.40251e-01 1.60126e-01 927 2015 2 1.40180e+00 4.24988e+00 789 2015 3 1.09121e+03 3.58898e+03 345 2015 4 4.97002e+02 1.01682e+03 176 2015 5 9.42912e+03 1.66507e+05 670 2015 6 5.02439e-01 3.78048e-01 637 2015 7 7.25150e+00 3.17705e+01 215 2015 8 3.82121e-01 8.66476e-02 446 2015 9 4.82473e-01 3.27509e-01 346 2015 10 1.30279e+00 5.42337e+00 837 2015 11 5.33827e-01 5.26245e-01 762 2015 12 3.07138e-01 5.02292e-02 448 2016 1 2.92774e-01 7.68796e-02 698 2016 2 4.79967e-01 1.57572e-01 1216 2016 3 7.00098e-01 8.55092e-01 724 2016 4 4.56370e-01 1.70500e-01 510 2016 5 2.11035e+02 1.15731e+03 530 2016 6 1.26600e+00 3.27775e+00 506 2016 7 1.16219e+00 8.35094e+00 737 2016 8 3.95427e-01 8.27112e-02 722 2016 9 3.89247e-01 1.94585e-01 882 2016 10 1.19082e+00 7.10301e+00 969 2016 11 3.54131e+00 2.58265e+01 947 2016 12 2.46275e-01 4.49906e-02 748 2017 1 2.53906e-01 7.45220e-02 704 2017 2 3.26821e-01 8.81717e-02 1151 2017 3 3.09883e-01 6.94640e-02 973 2017 4 3.63319e-01 3.96483e-01 693 2017 5 3.13965e-01 6.21001e-02 415 2017 6 3.64339e-01 2.38440e-01 320 2017 7 4.88192e-01 3.78298e-01 250 2017 8 6.03677e-01 1.93004e+00 529 2017 9 3.99648e+01 1.89783e+02 677 2017 10 7.91158e-01 4.04726e-01 716 2017 11 4.88776e-01 6.61279e-01 1080 2017 12 3.28915e-01 1.57494e-01 760 2018 1 3.06193e-01 4.30425e-02 880 2018 2 5.16471e-01 4.10842e-01 445 2018 3 9.95108e-01 2.76289e+00 904 2018 4 1.54500e+00 4.20806e+00 612 2018 5 1.00534e+00 3.45809e+00 498 2018 6 7.63262e-01 7.33143e-01 347 2018 7 2.14219e-01 1.06790e-01 377 2018 8 5.41597e-01 3.46360e-01 493 2018 9 3.91021e-01 2.70491e-01 831 2018 10 3.54963e-01 1.81011e-01 902 2018 11 5.12261e-01 7.43787e-02 256 2018 12 8.09564e-01 4.85719e-01 690 2019 1 1.41344e+00 3.11006e+00 769 2019 2 9.85522e-01 2.01524e+00 47 2019 3 6.49706e-01 2.17090e-01 542 2019 4 7.02214e-01 2.13282e-01 419 2019 5 5.08344e-01 4.97891e-01 760 2019 6 3.86947e-01 2.66944e-01 369 2019 7 9.01707e-01 1.16367e+00 320 2019 8 5.23631e-01 8.15399e-01 704 2019 9 1.33610e+02 6.95864e+02 641 2019 10 7.05565e-01 2.51769e+00 707 2019 11 3.26374e-01 1.80359e-01 747 2019 12 3.73343e-01 1.39385e-01 523 2020 1 3.82464e-01 1.19570e-01 638 2020 2 3.16294e-01 1.18544e-01 633 2020 3 3.60383e-01 3.25038e-01 711 2020 4 3.82063e-01 5.62395e-02 448 2020 5 1.30172e+00 3.31417e+00 686 2020 6 9.59580e+00 3.00516e+01 522 2020 7 1.23674e+00 2.46753e+00 307 2020 8 4.42115e-01 3.76704e-01 181 2020 9 4.33987e-01 3.23434e-01 343 2020 10 6.57461e-01 3.53895e-01 503 2020 11 5.39054e-01 2.17507e-01 708 2020 12 6.42951e-01 4.01514e-01 552 2021 1 6.72851e-01 2.71203e-01 632 2021 2 7.26142e-01 2.41282e-01 576 2021 3 2.32996e+00 1.14711e+01 415 2021 4 5.64537e+01 3.00371e+02 240 2021 5 2.59660e+00 1.15816e+01 558 2021 6 2.77043e-01 1.22112e-01 274 2021 7 2.04934e-01 1.99514e-02 62 2021 8 4.46587e+01 2.30474e+02 157 2021 9 8.19790e-01 4.26266e-01 500 2021 10 4.07410e-01 3.42156e-01 363 2021 11 8.62744e-01 5.54158e-01 611 2021 12 6.37986e-01 6.11713e-01 429 2022 1 6.38551e-01 2.23548e-01 896 2022 2 1.31113e+00 4.82506e+00 697 2022 3 9.25249e-01 1.55310e+00 685 2022 4 5.72575e-01 6.00197e-02 101 2022 5 2.56473e+00 5.40260e+00 415 2022 6 1.31126e+00 4.39392e+00 486 2022 7 1.37987e+03 4.61042e+03 160 2022 8 8.04304e-01 6.16541e+00 565 2022 9 1.10797e+01 6.52461e+01 390 2022 10 6.29238e+01 4.32525e+02 1286 2022 11 3.47929e-01 1.22452e-01 500 2022 12 3.26170e-01 1.29536e-01 1054 2023 1 2.94495e-01 7.79811e-02 896 2023 2 2.66417e-01 3.12125e-02 563 2023 3 3.54380e-01 1.60472e-01 832 2023 4 4.79808e-01 4.70238e-01 320 2023 5 3.82330e-01 1.78749e-01 396 2023 6 2.22244e-01 3.31884e-02 433 2023 7 2.36188e-01 8.08249e-02 204 2023 8 1.07365e+02 8.78478e+02 540 2023 9 4.57687e-01 2.26698e-01 573 2023 10 1.95270e+00 1.91074e+01 653 2023 11 3.94508e+00 2.12951e+01 551 2023 12 7.45695e-01 3.15730e-01 319 2024 1 8.67537e-01 2.16790e-01 448 2024 2 5.23414e-01 1.76816e-01 392 2024 3 1.02043e+00 8.87008e-01 425 2024 4 nan nan 0