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 6.45334e-01 2.10458e-01 164 2002 8 8.69157e-01 4.92572e-01 504 2002 9 1.26109e+00 5.07366e-01 423 2002 10 9.95450e-01 4.30152e-01 806 2002 11 8.94880e-01 5.74861e-01 979 2002 12 1.13756e+00 6.10900e-01 794 2003 1 1.95456e+00 8.45254e-01 987 2003 2 8.69762e-01 4.18761e-01 640 2003 3 8.90344e+00 9.01808e+00 128 2003 4 3.04803e+00 2.82379e+00 238 2003 5 4.04993e+00 8.15857e+00 153 2003 6 3.37164e+00 5.93147e+00 387 2003 7 3.13097e+00 1.05909e+00 51 2003 8 3.74381e+00 3.05317e+00 208 2003 9 2.83267e+00 1.78637e+00 552 2003 10 1.11380e+00 5.97139e-01 941 2003 11 7.65987e-01 5.54640e-01 1009 2003 12 1.68830e+00 1.01523e+00 924 2004 1 1.18848e+00 6.42146e-01 664 2004 2 5.47064e-01 3.47436e-01 308 2004 3 8.08572e-01 5.61647e-01 665 2004 4 6.74134e-01 3.82491e-01 613 2004 5 1.42912e+00 3.03205e+00 560 2004 6 1.32777e+00 5.60615e-01 334 2004 7 9.08879e-01 3.48684e-01 356 2004 8 9.22906e-01 6.92869e-01 413 2004 9 1.92122e+00 1.07242e+00 509 2004 10 1.34622e+01 8.20874e+00 258 2004 11 7.93928e+00 5.18958e+00 512 2004 12 5.75099e+00 4.10989e+00 576 2005 1 2.82943e+00 1.37116e+00 699 2005 2 2.01580e+00 1.57923e+00 525 2005 3 1.61583e+00 6.05962e-01 583 2005 4 2.43861e+00 1.10484e+00 256 2005 5 2.60859e+00 3.62529e+00 394 2005 6 4.86817e+00 5.19895e+00 376 2005 7 8.83352e+00 7.29823e+00 308 2005 8 1.41589e+01 1.02612e+01 127 2005 9 4.15338e+00 3.93477e+00 390 2005 10 3.09851e+00 3.64454e+00 957 2005 11 1.04569e+00 4.03866e-01 1223 2005 12 7.88617e-01 3.25745e-01 1024 2006 1 1.20669e+00 5.77376e-01 1079 2006 2 1.51501e+00 8.11562e-01 798 2006 3 2.71967e+00 2.34208e+00 1024 2006 4 1.07983e+00 9.62925e-01 635 2006 5 5.13418e-01 3.98763e-01 701 2006 6 6.67383e-01 2.71641e-01 279 2006 7 6.18053e-01 3.82691e-01 518 2006 8 1.91938e+00 3.40512e+00 392 2006 9 1.77969e+00 5.05681e-01 684 2006 10 8.03945e-01 4.38451e-01 1071 2006 11 5.68825e-01 2.42280e-01 907 2006 12 4.44353e-01 5.14210e-01 636 2007 1 2.76894e-01 1.44246e-01 576 2007 2 4.61549e-01 3.40326e-01 935 2007 3 2.32212e-01 1.38475e-01 1048 2007 4 4.01359e-01 3.76492e-01 831 2007 5 3.35764e-01 1.13681e-01 263 2007 6 5.61896e-01 2.43616e-01 279 2007 7 9.26201e-01 3.72543e-01 415 2007 8 1.61485e+00 5.03601e-01 462 2007 9 9.48887e-01 3.89225e-01 588 2007 10 4.41303e-01 1.46026e-01 640 2007 11 2.89185e-01 9.20282e-02 1135 2007 12 3.83306e-01 2.92689e-01 763 2008 1 2.86709e-01 1.59288e-01 938 2008 2 3.13949e-01 1.50826e-01 1185 2008 3 8.96888e-01 7.10762e-01 970 2008 4 1.87632e+00 2.01905e+00 506 2008 5 9.52556e-01 4.17983e-01 673 2008 6 1.60262e+00 2.59312e+00 617 2008 7 6.01770e-01 2.15183e-01 366 2008 8 1.91388e+00 8.70569e-01 192 2008 9 3.48682e+00 5.95890e+00 696 2008 10 1.23755e+00 5.68137e-01 1077 2008 11 9.29024e-01 4.74144e-01 953 2008 12 1.49721e+00 5.75562e-01 802 2009 1 1.48421e+00 7.65378e-01 704 2009 2 8.50431e-01 3.54082e-01 958 2009 3 4.79340e-01 2.10117e-01 894 2009 4 9.20804e-01 5.41243e-01 738 2009 5 4.71139e+00 7.46283e+00 84 2009 6 1.24666e+00 8.31074e-01 511 2009 7 1.12742e+00 7.36608e-01 332 2009 8 2.58430e+00 1.66969e+00 512 2009 9 2.16665e+00 2.77295e+00 716 2009 10 8.91153e-01 5.80875e-01 925 2009 11 4.95125e-01 2.49847e-01 589 2009 12 1.08457e+00 5.34799e-01 192 2010 1 2.61347e+00 2.34808e+00 956 2010 2 5.22716e+00 3.91311e+00 824 2010 3 3.67441e+00 2.63906e+00 740 2010 4 4.38958e+00 5.92278e+00 411 2010 5 1.76160e+00 1.03069e+00 554 2010 6 1.42559e+00 5.45550e-01 574 2010 7 1.41196e+00 7.65693e-01 431 2010 8 2.38129e+00 4.20455e+00 313 2010 9 8.81948e-01 4.30190e-01 722 2010 10 7.09224e-01 3.89746e-01 1566 2010 11 3.18149e-01 1.64572e-01 1241 2010 12 5.24004e-01 2.99312e-01 1088 2011 1 3.91561e-01 1.41679e-01 680 2011 2 4.07622e-01 2.00784e-01 576 2011 3 3.78393e-01 1.84785e-01 860 2011 4 4.97421e-01 2.78496e-01 891 2011 5 3.19885e-01 1.45935e-01 723 2011 6 4.40272e-01 2.23887e-01 317 2011 7 2.24033e+00 1.24230e+00 296 2011 8 6.95014e-01 2.78779e-01 698 2011 9 5.16213e-01 1.39089e-01 749 2011 10 3.57450e-01 1.86206e-01 1093 2011 11 2.92533e-01 1.90025e-01 1083 2011 12 3.13362e-01 1.27854e-01 1044 2012 1 4.37602e-01 2.62582e-01 1109 2012 2 2.92849e-01 1.06267e-01 318 2012 3 3.17070e-01 2.43562e-01 893 2012 4 4.21340e-01 1.74658e-01 845 2012 5 6.29216e-01 1.61457e-01 551 2012 6 7.76192e-01 3.16435e-01 306 2012 7 2.03702e+00 1.85637e+00 182 2012 8 4.78989e+00 5.75364e+00 152 2012 9 8.44476e+00 4.97169e+00 510 2012 10 3.71262e+00 2.52381e+00 732 2012 11 3.47002e+00 2.54625e+00 1063 2012 12 1.37858e+00 6.22587e-01 545 2013 1 7.18258e-01 3.08430e-01 771 2013 2 5.97246e-01 2.93506e-01 628 2013 3 1.46885e+00 1.02743e+00 715 2013 4 1.77193e+00 2.37266e+00 390 2013 5 1.41852e+00 4.87097e-01 524 2013 6 2.05853e+00 9.97406e-01 335 2013 7 6.78818e+00 2.68131e+00 128 2013 8 1.33635e+01 7.24378e+00 112 2013 9 8.92631e+00 8.57674e+00 563 2013 10 4.01460e+00 2.86996e+00 916 2013 11 1.60385e+00 1.08968e+00 574 2013 12 3.91097e-01 2.00813e-01 874 2014 1 8.96263e-01 2.74126e-01 448 2014 2 1.61878e+00 7.29858e-01 640 2014 3 2.58662e+00 2.91523e+00 656 2014 4 5.28059e+00 4.22735e+00 279 2014 5 nan nan 0 2014 6 4.36354e+00 4.37017e+00 174 2014 7 3.74708e+00 6.08500e+00 384 2014 8 8.60530e-01 5.68497e-01 406 2014 9 2.12388e+00 1.29595e+00 393 2014 10 1.01194e+00 7.31766e-01 1354 2014 11 6.44528e-01 4.02811e-01 1024 2014 12 4.27351e-01 2.61208e-01 858 2015 1 5.40454e-01 4.72770e-01 927 2015 2 2.89080e+00 5.47612e+00 785 2015 3 3.92007e+00 5.34616e+00 355 2015 4 8.22372e+00 8.05729e+00 176 2015 5 1.59272e+00 9.63402e-01 683 2015 6 1.29375e+00 7.40786e-01 637 2015 7 2.02740e+00 2.74116e+00 241 2015 8 3.94135e+00 1.82930e+00 446 2015 9 3.84588e+00 6.75537e+00 321 2015 10 1.01154e+00 5.40103e-01 837 2015 11 1.36820e+00 1.03457e+00 772 2015 12 4.22704e-01 2.79791e-01 448 2016 1 5.74945e-01 2.58648e-01 698 2016 2 1.54379e+00 6.01098e-01 1216 2016 3 1.55577e+00 7.07854e-01 724 2016 4 1.22975e+00 9.37570e-01 638 2016 5 1.50233e+00 1.22508e+00 642 2016 6 9.48323e-01 4.18609e-01 509 2016 7 9.10451e-01 5.67428e-01 832 2016 8 3.14541e+00 2.59633e+00 722 2016 9 2.38619e+00 1.51889e+00 882 2016 10 7.58343e-01 5.77191e-01 986 2016 11 3.64385e-01 1.55287e-01 954 2016 12 3.11752e-01 1.36699e-01 748 2017 1 4.75545e-01 3.68873e-01 731 2017 2 5.69884e-01 2.24954e-01 1151 2017 3 4.07976e-01 2.14420e-01 973 2017 4 7.11005e-01 4.77909e-01 693 2017 5 6.29125e-01 1.47621e-01 415 2017 6 1.38544e+00 2.10764e+00 322 2017 7 2.73101e+00 5.09150e+00 255 2017 8 1.61327e+00 9.34063e-01 529 2017 9 1.35141e+00 8.40573e-01 677 2017 10 3.70265e+00 3.44457e+00 733 2017 11 8.00654e-01 8.95283e-01 1086 2017 12 4.66343e-01 2.73809e-01 768 2018 1 3.83637e-01 1.79476e-01 880 2018 2 1.51521e+00 1.07134e+00 445 2018 3 6.14953e-01 3.61406e-01 904 2018 4 5.10525e-01 2.26073e-01 637 2018 5 1.01088e+00 9.95853e-01 562 2018 6 1.52317e+00 5.91895e-01 347 2018 7 2.60612e+00 2.60604e+00 357 2018 8 9.15605e+00 7.88012e+00 467 2018 9 5.65673e+00 5.61472e+00 831 2018 10 1.92419e+00 1.94508e+00 899 2018 11 1.69718e+00 5.08552e-01 256 2018 12 3.53682e+00 4.09310e+00 715 2019 1 5.66898e+00 4.15837e+00 743 2019 2 9.45456e+00 1.09539e+01 75 2019 3 4.11096e+00 2.93977e+00 538 2019 4 2.47185e+00 1.16630e+00 419 2019 5 1.12042e+00 6.32721e-01 760 2019 6 1.77528e+00 7.77505e-01 369 2019 7 1.33667e+00 7.89078e-01 320 2019 8 2.93924e+00 3.44645e+00 703 2019 9 1.25664e+00 2.19754e+00 652 2019 10 8.32382e-01 3.49635e-01 707 2019 11 3.28210e-01 2.03535e-01 747 2019 12 5.99411e-01 3.41490e-01 523 2020 1 3.81219e-01 2.08365e-01 638 2020 2 4.79675e-01 3.60426e-01 633 2020 3 7.55169e-01 1.51630e+00 727 2020 4 4.30964e-01 2.25126e-01 575 2020 5 3.36337e-01 1.91888e-01 696 2020 6 1.34867e+00 1.77125e+00 641 2020 7 1.06060e+00 8.28337e-01 385 2020 8 1.59863e+00 1.84551e+00 248 2020 9 1.59136e+00 8.65447e-01 346 2020 10 2.21197e+00 2.31729e+00 559 2020 11 5.81062e-01 3.81595e-01 772 2020 12 7.41773e-01 5.46194e-01 552 2021 1 1.26495e+00 6.10782e-01 632 2021 2 1.69051e+00 7.34959e-01 576 2021 3 9.75455e-01 8.22691e-01 525 2021 4 1.15685e+00 1.15820e+00 489 2021 5 8.97812e-01 6.02342e-01 622 2021 6 1.20281e+00 1.70819e+00 274 2021 7 6.91593e-01 6.69335e-01 126 2021 8 1.46859e+01 1.32534e+01 159 2021 9 7.46819e+00 5.92515e+00 489 2021 10 3.89436e+00 2.80095e+00 363 2021 11 2.40089e+00 1.51897e+00 626 2021 12 1.65967e+00 1.12387e+00 442 2022 1 1.81997e+00 1.04462e+00 896 2022 2 6.47618e-01 3.31481e-01 697 2022 3 8.90513e-01 1.55953e+00 687 2022 4 1.42202e+00 8.34049e-01 101 2022 5 2.14488e+00 1.26663e+00 415 2022 6 2.12547e+00 1.48797e+00 486 2022 7 1.71939e+00 1.87058e+00 197 2022 8 1.72644e+00 9.97101e-01 565 2022 9 1.19054e+00 9.00972e-01 418 2022 10 1.16016e+00 9.64981e-01 1430 2022 11 9.28682e-01 2.06177e+00 500 2022 12 4.97095e-01 2.74104e-01 1057 2023 1 6.12349e-01 3.76050e-01 896 2023 2 6.24111e-01 2.95176e-01 563 2023 3 1.50029e+00 9.32659e-01 832 2023 4 9.97780e-01 4.67653e-01 320 2023 5 1.45147e+00 7.91356e-01 396 2023 6 1.04056e+00 7.79999e-01 433 2023 7 2.16571e+00 1.04264e+00 204 2023 8 3.27350e+00 1.66286e+00 540 2023 9 3.05879e+00 1.28088e+00 573 2023 10 2.80805e+00 2.31276e+00 653 2023 11 1.14580e+00 8.77362e-01 566 2023 12 2.86939e+00 2.55913e+00 319 2024 1 6.92550e+00 7.20628e+00 448 2024 2 4.21537e+00 2.23705e+00 392 2024 3 6.74052e+00 7.71066e+00 425 2024 4 nan nan 0