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 6.12554e-01 2.51141e-01 998 2002 8 1.08147e+00 3.33176e-01 788 2002 9 1.66045e+00 6.36727e-01 989 2002 10 1.55052e+00 3.42595e-01 834 2002 11 1.42925e+00 1.70170e-01 918 2002 12 1.26073e+00 1.85770e-01 515 2003 1 1.17003e+00 1.75370e-01 768 2003 2 9.91862e-01 1.40932e-01 360 2003 3 7.89705e-01 1.40036e-01 567 2003 4 5.29140e-01 1.18834e-01 389 2003 5 1.07895e+00 5.76162e-01 264 2003 6 6.66501e-01 1.56655e-01 547 2003 7 5.60772e-01 9.83209e-02 384 2003 8 8.14546e-01 3.66207e-01 817 2003 9 2.67914e+00 2.08658e+00 1100 2003 10 1.95826e+00 7.91703e-01 676 2003 11 1.42056e+00 1.92865e-01 882 2003 12 1.34315e+00 1.84126e-01 574 2004 1 1.51770e+00 3.58720e-01 601 2004 2 1.24677e+00 2.13607e-01 573 2004 3 8.59511e-01 1.44351e-01 844 2004 4 5.43990e-01 1.59942e-01 324 2004 5 9.14642e-01 3.75372e-01 256 2004 6 7.11878e-01 2.11377e-01 713 2004 7 4.89970e-01 1.13170e-01 469 2004 8 1.94503e+00 1.11489e+00 1000 2004 9 2.48432e+00 8.24532e-01 726 2004 10 1.96288e+00 7.46602e-01 775 2004 11 1.44348e+00 1.28060e-01 256 2004 12 1.50363e+00 2.15713e-01 563 2005 1 1.17647e+00 1.08809e-01 513 2005 2 9.39748e-01 1.51444e-01 524 2005 3 7.82130e-01 1.55886e-01 673 2005 4 6.83361e-01 1.76352e-01 450 2005 5 4.75488e-01 6.12869e-02 256 2005 6 6.99980e-01 3.41896e-01 784 2005 7 7.90279e-01 3.48341e-01 306 2005 8 1.41353e+00 1.22335e+00 657 2005 9 2.44762e+00 1.07137e+00 1064 2005 10 1.96812e+00 5.93318e-01 999 2005 11 1.51822e+00 3.02761e-01 568 2005 12 1.66897e+00 3.20086e-01 986 2006 1 1.27028e+00 2.04294e-01 591 2006 2 1.11053e+00 2.73920e-01 401 2006 3 8.62198e-01 1.74137e-01 801 2006 4 4.98632e-01 2.19475e-01 588 2006 5 6.69672e-01 2.01882e-01 309 2006 6 4.63262e-01 2.06054e-01 774 2006 7 7.72204e-01 3.13657e-01 536 2006 8 1.09246e+00 8.82741e-02 63 2006 9 1.77515e+00 5.72478e-01 1049 2006 10 1.64629e+00 4.29567e-01 726 2006 11 1.58583e+00 2.74983e-01 940 2006 12 1.69073e+00 5.99789e-01 613 2007 1 1.43461e+00 1.82975e-01 822 2007 2 1.30663e+00 3.08999e-01 905 2007 3 9.60075e-01 1.56591e-01 566 2007 4 1.07490e+00 1.16956e-01 120 2007 5 1.21569e+00 7.94236e-01 134 2007 6 9.00529e-01 4.28613e-01 530 2007 7 1.68595e+00 5.11936e-01 166 2007 8 6.01429e-01 3.30152e-01 793 2007 9 1.35918e+00 4.81571e-01 1038 2007 10 1.61889e+00 3.74983e-01 790 2007 11 1.50077e+00 2.41443e-01 968 2007 12 1.47144e+00 1.85108e-01 573 2008 1 1.18827e+00 1.63704e-01 260 2008 2 1.30475e+00 3.88808e-01 534 2008 3 9.17895e-01 2.70464e-01 780 2008 4 4.15643e-01 1.07055e-01 362 2008 5 4.29008e+00 9.34449e-01 7 2008 6 6.22416e-01 2.58447e-01 113 2008 7 1.24985e+00 5.28710e-01 305 2008 8 1.13397e+00 4.06605e-01 118 2008 9 1.79960e+00 4.35508e-01 567 2008 10 2.11692e+00 9.98681e-01 771 2008 11 1.48481e+00 1.73556e-01 596 2008 12 1.43168e+00 2.91071e-01 896 2009 1 1.06911e+00 1.84271e-01 625 2009 2 1.13682e+00 1.51450e-01 317 2009 3 1.08663e+00 2.73112e-01 217 2009 4 5.40684e-01 7.14147e-02 126 2009 5 1.23464e+00 2.54035e-01 294 2009 6 5.83289e-01 1.35999e-01 256 2009 7 9.29174e-01 4.41698e-01 220 2009 8 8.49513e-01 3.38812e-01 315 2009 9 1.54376e+00 7.03114e-01 626 2009 10 2.07724e+00 7.31389e-01 509 2009 11 1.74538e+00 4.07049e-01 656 2009 12 1.33501e+00 1.89994e-01 527 2010 1 1.39450e+00 1.50037e-01 889 2010 2 9.39997e-01 2.72163e-01 530 2010 3 6.94759e-01 2.47594e-01 637 2010 4 5.65537e-01 1.15158e-01 256 2010 5 8.20579e-01 3.00175e-01 320 2010 6 4.57651e-01 1.15079e-01 255 2010 7 5.12564e-01 1.52029e-01 640 2010 8 5.69004e-01 2.74953e-01 247 2010 9 1.20406e+00 3.36909e-01 510 2010 10 1.34226e+00 4.66440e-01 646 2010 11 1.29580e+00 1.92384e-01 1172 2010 12 1.38558e+00 1.72153e-01 810 2011 1 1.08078e+00 1.49429e-01 621 2011 2 8.98986e-01 1.73130e-01 320 2011 3 1.03457e+00 2.83626e-01 783 2011 4 1.45047e+00 4.60408e-01 188 2011 5 6.22150e-01 3.80214e-01 384 2011 6 5.77316e-01 1.03279e-01 182 2011 7 4.23990e-01 1.45914e-01 357 2011 8 7.20269e-01 4.16476e-01 826 2011 9 1.52116e+00 3.10671e-01 764 2011 10 1.44181e+00 2.21013e-01 896 2011 11 1.47737e+00 2.90529e-01 454 2011 12 1.32877e+00 2.00007e-01 1088 2012 1 1.07959e+00 1.66954e-01 771 2012 2 9.87558e-01 2.24146e-01 731 2012 3 7.61502e-01 1.16481e-01 575 2012 4 8.44906e-01 3.79292e-01 192 2012 5 2.48567e-01 2.51087e-02 64 2012 6 5.52290e-01 1.46007e-01 320 2012 7 5.33683e-01 1.14656e-01 382 2012 8 7.12279e-01 3.39265e-01 311 2012 9 1.53288e+00 6.41705e-01 714 2012 10 1.14483e+00 2.73455e-01 632 2012 11 1.19157e+00 1.55917e-01 603 2012 12 1.15767e+00 1.20180e-01 308 2013 1 1.16435e+00 2.27460e-01 711 2013 2 8.90768e-01 1.82947e-01 723 2013 3 8.17219e-01 2.55367e-01 704 2013 4 3.55523e-01 1.36877e-01 203 2013 5 3.58914e-01 3.52130e-02 362 2013 6 4.19425e-01 1.22728e-01 448 2013 7 4.05296e-01 1.25099e-01 543 2013 8 7.22199e-01 2.52571e-01 742 2013 9 1.09092e+00 4.14391e-01 931 2013 10 1.45592e+00 3.01012e-01 870 2013 11 1.34151e+00 2.18233e-01 638 2013 12 9.78180e-01 2.80729e-01 787 2014 1 8.33459e-01 1.63830e-01 662 2014 2 7.76938e-01 1.15369e-01 607 2014 3 4.44794e-01 9.38340e-02 698 2014 4 5.48069e-01 2.40338e-01 475 2014 5 5.10056e-01 1.33922e-01 384 2014 6 4.32629e-01 1.08047e-01 819 2014 7 6.37268e-01 1.61534e-01 773 2014 8 1.18830e+00 8.46824e-01 511 2014 9 1.12806e+00 4.52113e-01 1203 2014 10 1.31147e+00 2.98143e-01 996 2014 11 1.45306e+00 3.57570e-01 881 2014 12 1.13795e+00 1.64591e-01 961 2015 1 9.20628e-01 1.67097e-01 720 2015 2 9.03018e-01 1.59085e-01 511 2015 3 6.68665e-01 1.31818e-01 518 2015 4 1.08272e+00 2.82571e-01 384 2015 5 5.87134e-01 1.61004e-01 226 2015 6 5.18191e-01 7.81906e-02 829 2015 7 9.95983e-01 2.65900e-01 319 2015 8 4.97123e-01 1.69895e-01 722 2015 9 1.81752e+00 4.63495e-01 690 2015 10 1.76094e+00 4.74202e-01 572 2015 11 1.43827e+00 6.52176e-01 773 2015 12 1.41931e+00 1.20271e-01 741 2016 1 1.07043e+00 1.44771e-01 768 2016 2 8.49392e-01 8.56712e-02 1153 2016 3 5.21630e-01 7.92967e-02 594 2016 4 4.27878e-01 1.11688e-01 709 2016 5 7.93246e-01 4.67516e-01 632 2016 6 3.23892e-01 9.50288e-02 576 2016 7 5.17652e-01 1.57222e-01 554 2016 8 3.34979e-01 6.71490e-02 660 2016 9 1.23700e+00 2.41436e-01 772 2016 10 1.71928e+00 5.77332e-01 1041 2016 11 1.55392e+00 2.89345e-01 687 2016 12 1.30018e+00 2.63110e-01 576 2017 1 1.13669e+00 2.31834e-01 685 2017 2 1.04246e+00 2.21916e-01 581 2017 3 7.16178e-01 1.75742e-01 627 2017 4 4.90780e-01 9.95087e-02 214 2017 5 7.34302e-01 3.41729e-01 249 2017 6 4.32886e-01 2.03918e-01 996 2017 7 5.27685e-01 1.49583e-01 512 2017 8 7.09598e-01 3.54495e-01 713 2017 9 1.92335e+00 6.07986e-01 676 2017 10 1.74834e+00 8.24105e-01 824 2017 11 1.49234e+00 2.36855e-01 763 2017 12 1.22379e+00 1.69102e-01 885 2018 1 1.05396e+00 2.59611e-01 960 2018 2 1.05332e+00 1.47281e-01 468 2018 3 9.69031e-01 2.33993e-01 832 2018 4 6.75790e-01 2.26431e-01 387 2018 5 5.75984e-01 1.04270e-01 343 2018 6 6.74435e-01 1.64648e-01 574 2018 7 4.87475e-01 1.33838e-01 685 2018 8 1.21531e+00 1.16082e+00 756 2018 9 1.26025e+00 5.91695e-01 945 2018 10 1.82027e+00 5.54959e-01 439 2018 11 1.26931e+00 1.16132e-01 409 2018 12 1.22632e+00 2.26584e-01 766 2019 1 1.17431e+00 9.09072e-02 320 2019 2 9.60656e-01 1.29359e-01 704 2019 3 8.05720e-01 9.86216e-02 969 2019 4 4.48759e-01 1.13685e-01 671 2019 5 6.21966e-01 2.01455e-01 699 2019 6 4.55612e-01 2.15490e-01 947 2019 7 4.69052e-01 1.27267e-01 874 2019 8 8.26220e-01 5.88091e-01 886 2019 9 1.31146e+00 4.86449e-01 967 2019 10 1.77372e+00 7.24175e-01 704 2019 11 1.43139e+00 1.65921e-01 664 2019 12 1.49083e+00 2.40384e-01 308 2020 1 1.11858e+00 1.79934e-01 738 2020 2 1.00081e+00 1.32937e-01 768 2020 3 7.43372e-01 1.20996e-01 654 2020 4 4.55080e-01 1.03913e-01 445 2020 5 6.64918e-01 2.27192e-01 571 2020 6 5.10319e-01 8.72633e-02 960 2020 7 5.39972e-01 1.32138e-01 714 2020 8 1.00961e+00 4.19439e-01 445 2020 9 1.60864e+00 5.48975e-01 896 2020 10 1.67282e+00 3.01945e-01 1353 2020 11 1.74486e+00 4.04849e-01 543 2020 12 1.80409e+00 4.82724e-01 512 2021 1 1.20673e+00 2.08210e-01 1033 2021 2 9.51721e-01 1.14250e-01 768 2021 3 8.14116e-01 1.15147e-01 457 2021 4 4.45458e-01 1.08082e-01 320 2021 5 4.02797e-01 1.49179e-01 516 2021 6 4.46595e-01 1.45313e-01 763 2021 7 4.44297e-01 9.11974e-02 949 2021 8 8.69654e-01 3.21276e-01 774 2021 9 1.68307e+00 4.45701e-01 1023 2021 10 1.54464e+00 3.23090e-01 1215 2021 11 1.59625e+00 3.12260e-01 765 2021 12 1.41910e+00 3.38709e-01 452 2022 1 1.03590e+00 1.89712e-01 522 2022 2 8.49318e-01 1.06434e-01 832 2022 3 1.00220e+00 2.22716e-01 377 2022 4 9.35006e-01 1.75861e-01 64 2022 5 3.90530e-01 6.93942e-02 310 2022 6 3.45967e-01 5.92339e-02 490 2022 7 3.43823e-01 5.37263e-02 367 2022 8 6.82907e-01 1.87028e-01 516 2022 9 1.04588e+00 3.06862e-01 960 2022 10 1.14161e+00 1.46913e-01 798 2022 11 1.23591e+00 1.28389e-01 495 2022 12 1.28355e+00 1.82088e-01 703 2023 1 1.04509e+00 9.23207e-02 321 2023 2 1.17245e+00 3.09806e-01 576 2023 3 6.31820e-01 1.04473e-01 1017 2023 4 5.89512e-01 1.90192e-01 785 2023 5 4.63411e-01 8.39438e-02 468 2023 6 4.65310e-01 1.01185e-01 957 2023 7 4.05763e-01 1.07282e-01 896 2023 8 6.29061e-01 1.89391e-01 658 2023 9 1.45270e+00 4.80640e-01 1069 2023 10 1.49571e+00 1.98592e-01 770 2023 11 1.50392e+00 2.94745e-01 552 2023 12 1.57233e+00 2.42749e-01 760 2024 1 1.29466e+00 2.56920e-01 953 2024 2 8.15448e-01 8.43332e-02 1018 2024 3 7.97992e-01 1.57757e-01 679 2024 4 6.41255e-01 2.11616e-02 128