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 1.28727e+00 4.12356e-01 256 2002 8 1.26227e+00 2.65969e-01 513 2002 9 1.64808e+00 5.41701e-01 509 2002 10 1.55603e+00 5.82698e-01 828 2002 11 1.40184e+00 5.71870e-01 877 2002 12 1.20910e+00 4.60478e-01 637 2003 1 1.71841e+00 5.35014e-01 965 2003 2 1.25968e+00 4.61253e-01 512 2003 3 5.34597e+00 3.80207e+00 256 2003 4 4.15940e+00 3.99220e+00 139 2003 5 7.38366e+00 8.05306e+00 252 2003 6 2.59467e+00 1.24889e+00 397 2003 7 3.53371e+00 2.10245e+00 205 2003 8 3.45327e+00 1.83657e+00 426 2003 9 2.21889e+00 1.63673e+00 604 2003 10 3.68723e+00 2.48129e+00 1080 2003 11 1.75638e+00 1.08150e+00 1121 2003 12 1.33632e+00 4.54263e-01 775 2004 1 2.13214e+00 3.47496e+00 826 2004 2 1.11345e+00 3.35770e-01 448 2004 3 2.15422e+00 1.36226e+00 755 2004 4 8.98652e-01 3.40560e-01 495 2004 5 8.20336e-01 2.48076e-01 640 2004 6 1.69699e+00 1.05344e+00 464 2004 7 1.70192e+00 4.89046e-01 390 2004 8 1.90449e+00 1.12483e+00 506 2004 9 5.22803e+00 4.08697e+00 384 2004 10 1.63723e+01 1.08857e+01 289 2004 11 1.80818e+01 1.15454e+01 445 2004 12 1.07798e+01 9.52674e+00 619 2005 1 6.21022e+00 6.22802e+00 720 2005 2 4.33093e+00 2.02774e+00 618 2005 3 2.53753e+00 1.35616e+00 576 2005 4 4.28206e+00 2.92202e+00 594 2005 5 5.08143e+00 7.54942e+00 500 2005 6 4.63302e+00 2.24785e+00 436 2005 7 7.19911e+00 7.55823e+00 380 2005 8 7.47778e+00 5.35598e+00 214 2005 9 4.59458e+00 1.90091e+00 297 2005 10 3.00964e+00 1.92940e+00 988 2005 11 1.33273e+00 3.86099e-01 1024 2005 12 1.24268e+00 7.65193e-01 1026 2006 1 3.06867e+00 1.82388e+00 740 2006 2 3.33114e+00 2.40416e+00 704 2006 3 3.66828e+00 3.10327e+00 942 2006 4 1.52372e+00 1.03282e+00 363 2006 5 7.75233e-01 3.09328e-01 557 2006 6 1.25994e+00 7.29830e-01 446 2006 7 1.47664e+00 5.01449e-01 326 2006 8 1.83422e+00 1.28418e+00 248 2006 9 1.47384e+00 5.38868e-01 744 2006 10 1.37008e+00 6.75124e-01 903 2006 11 8.79688e-01 3.63675e-01 926 2006 12 6.61933e-01 2.92630e-01 600 2007 1 5.38030e-01 2.37297e-01 384 2007 2 4.97495e-01 2.45800e-01 727 2007 3 6.13379e-01 2.25004e-01 1217 2007 4 7.55404e-01 5.60958e-01 706 2007 5 5.97430e-01 3.10925e-01 348 2007 6 8.44267e-01 2.53894e-01 502 2007 7 1.11548e+00 2.68992e-01 417 2007 8 1.58075e+00 6.18762e-01 535 2007 9 2.45198e+00 6.25619e-01 603 2007 10 1.37529e+00 4.70556e-01 704 2007 11 7.97608e-01 4.63603e-01 1195 2007 12 8.69623e-01 6.80950e-01 853 2008 1 6.27402e-01 4.91007e-01 640 2008 2 8.97843e-01 4.57889e-01 1045 2008 3 2.98468e+00 2.90210e+00 716 2008 4 2.97395e+00 1.68421e+00 698 2008 5 3.10010e+00 1.04801e+00 637 2008 6 3.30006e+00 2.17645e+00 399 2008 7 2.05018e+00 1.19202e+00 495 2008 8 1.65958e+00 6.29088e-01 322 2008 9 4.66492e+00 5.14139e+00 730 2008 10 3.22148e+00 2.22172e+00 948 2008 11 1.00589e+00 3.38996e-01 1023 2008 12 2.52075e+00 1.69085e+00 843 2009 1 2.13805e+00 5.05908e-01 704 2009 2 1.24871e+00 4.23332e-01 1084 2009 3 8.56386e-01 3.91434e-01 937 2009 4 2.18140e+00 1.69928e+00 448 2009 5 6.73652e+00 6.92362e+00 284 2009 6 1.45054e+00 6.21017e-01 451 2009 7 1.92347e+00 2.04587e+00 245 2009 8 3.92539e+00 3.90328e+00 500 2009 9 2.98381e+00 2.46918e+00 844 2009 10 1.47582e+00 8.74855e-01 827 2009 11 9.21076e-01 4.46772e-01 738 2009 12 8.49214e-01 5.24404e-01 256 2010 1 1.97611e+00 7.51281e-01 896 2010 2 3.16509e+00 1.40750e+00 704 2010 3 3.99170e+00 1.35291e+00 899 2010 4 8.07553e+00 6.26786e+00 280 2010 5 2.60292e+00 1.29151e+00 574 2010 6 1.72907e+00 5.14628e-01 491 2010 7 2.42463e+00 1.53658e+00 414 2010 8 2.83793e+00 2.77744e+00 195 2010 9 2.19387e+00 1.18542e+00 703 2010 10 1.09233e+00 4.81374e-01 1455 2010 11 8.10310e-01 5.16300e-01 1164 2010 12 8.60960e-01 5.82373e-01 1056 2011 1 5.84984e-01 2.16090e-01 661 2011 2 5.08081e-01 9.61672e-02 772 2011 3 5.12296e-01 1.82450e-01 825 2011 4 5.73513e-01 2.26068e-01 1005 2011 5 6.81184e-01 2.18008e-01 805 2011 6 8.08970e-01 1.66457e-01 256 2011 7 1.56536e+00 6.50979e-01 369 2011 8 1.30194e+00 5.45507e-01 631 2011 9 1.34087e+00 6.17506e-01 723 2011 10 8.20340e-01 5.02721e-01 1087 2011 11 4.85079e-01 2.09382e-01 1180 2011 12 4.99890e-01 1.68261e-01 1024 2012 1 5.36462e-01 2.95024e-01 1064 2012 2 4.57940e-01 1.05987e-01 193 2012 3 5.54382e-01 2.76565e-01 827 2012 4 6.04622e-01 1.56843e-01 896 2012 5 8.38572e-01 2.14211e-01 320 2012 6 1.60403e+00 3.15153e-01 249 2012 7 3.85993e+00 2.63816e+00 494 2012 8 1.02490e+01 8.47985e+00 353 2012 9 7.64604e+00 5.68374e+00 404 2012 10 4.96478e+00 2.79579e+00 767 2012 11 2.91872e+00 2.27568e+00 1204 2012 12 2.74103e+00 1.18978e+00 736 2013 1 1.37268e+00 5.88425e-01 704 2013 2 9.56653e-01 2.00089e-01 679 2013 3 9.67703e-01 3.97463e-01 704 2013 4 5.27742e+00 3.84024e+00 569 2013 5 3.25529e+00 2.91127e+00 531 2013 6 4.41387e+00 2.23802e+00 488 2013 7 7.62417e+00 4.47240e+00 98 2013 8 1.43931e+01 1.18698e+01 230 2013 9 1.30992e+01 8.55261e+00 663 2013 10 4.18458e+00 2.73832e+00 954 2013 11 3.94709e+00 3.28541e+00 373 2013 12 1.28090e+00 5.70964e-01 632 2014 1 9.64603e-01 2.82562e-01 510 2014 2 2.47645e+00 2.19280e+00 703 2014 3 4.22079e+00 3.39328e+00 594 2014 4 7.02691e+00 6.24943e+00 368 2014 5 9.60540e+00 6.03481e+00 179 2014 6 1.31629e+01 9.86077e+00 302 2014 7 5.27481e+00 2.76756e+00 640 2014 8 2.38351e+00 1.12473e+00 508 2014 9 6.74207e+00 9.36566e+00 266 2014 10 4.46331e+00 3.87244e+00 1295 2014 11 8.43897e-01 3.51151e-01 1048 2014 12 1.75659e+00 2.19799e+00 557 2015 1 1.04427e+00 9.78062e-01 827 2015 2 9.16866e-01 6.67957e-01 768 2015 3 7.67139e+00 5.84567e+00 464 2015 4 2.84240e+00 3.95390e+00 153 2015 5 2.06500e+00 1.16347e+00 826 2015 6 1.68204e+00 8.03811e-01 445 2015 7 2.32220e+00 1.25745e+00 128 2015 8 4.01445e+00 1.24813e+00 410 2015 9 5.33529e+00 3.40396e+00 305 2015 10 1.45928e+00 7.14178e-01 894 2015 11 3.07549e+00 2.30945e+00 700 2015 12 1.03393e+00 5.87189e-01 498 2016 1 1.17846e+00 5.53183e-01 640 2016 2 1.93361e+00 1.16409e+00 1216 2016 3 1.82183e+00 8.18785e-01 722 2016 4 2.77029e+00 1.87596e+00 412 2016 5 1.85579e+00 7.03125e-01 712 2016 6 1.19546e+00 4.17077e-01 611 2016 7 1.43842e+00 9.93354e-01 903 2016 8 2.28228e+00 1.52825e+00 895 2016 9 3.17268e+00 3.08616e+00 720 2016 10 1.14832e+00 5.94080e-01 1106 2016 11 5.16646e-01 1.83349e-01 1049 2016 12 6.40506e-01 2.33974e-01 852 2017 1 7.65006e-01 4.88873e-01 668 2017 2 1.70483e+00 1.22647e+00 1088 2017 3 1.15743e+00 1.19317e+00 937 2017 4 8.67362e-01 3.51260e-01 816 2017 5 9.62641e-01 3.13242e-01 623 2017 6 1.09160e+00 3.02418e-01 357 2017 7 2.12596e+00 6.80430e-01 229 2017 8 3.96774e+00 2.42161e+00 527 2017 9 4.00315e+00 3.03991e+00 685 2017 10 7.74608e+00 5.45117e+00 467 2017 11 2.30552e+00 2.25027e+00 1314 2017 12 1.27950e+00 9.21482e-01 824 2018 1 7.10448e-01 2.39227e-01 640 2018 2 7.01426e-01 5.31707e-01 512 2018 3 7.21612e-01 2.65785e-01 834 2018 4 1.16823e+00 5.41251e-01 641 2018 5 9.70638e-01 4.14460e-01 508 2018 6 2.05339e+00 1.89553e+00 385 2018 7 5.51597e+00 3.00530e+00 256 2018 8 5.32266e+00 6.42535e+00 495 2018 9 3.22326e+00 3.49047e+00 788 2018 10 3.75683e+00 4.07321e+00 1063 2018 11 1.73554e+00 7.33492e-01 308 2018 12 3.83241e+00 3.20381e+00 764 2019 1 7.51360e+00 3.96383e+00 772 2019 2 7.67162e+00 4.05538e+00 345 2019 3 4.53154e+00 4.34394e+00 820 2019 4 3.49006e+00 1.91999e+00 448 2019 5 1.71252e+00 7.03319e-01 778 2019 6 1.64966e+00 4.03187e-01 185 2019 7 1.93491e+00 1.43515e+00 279 2019 8 5.52946e+00 4.63573e+00 524 2019 9 1.40984e+00 7.09692e-01 926 2019 10 1.85942e+00 5.44807e-01 722 2019 11 9.74941e-01 8.15406e-01 958 2019 12 1.05428e+00 1.32780e+00 592 2020 1 8.02585e-01 3.00227e-01 659 2020 2 9.77616e-01 4.97876e-01 576 2020 3 1.44413e+00 1.31440e+00 704 2020 4 1.51973e+00 6.68784e-01 519 2020 5 1.62915e+00 1.18797e+00 809 2020 6 1.86502e+00 1.00137e+00 520 2020 7 2.09212e+00 2.14157e+00 316 2020 8 3.64078e+00 1.81995e+00 195 2020 9 4.10922e+00 3.75102e+00 393 2020 10 4.05749e+00 3.41092e+00 954 2020 11 2.71186e+00 1.48726e+00 1012 2020 12 9.42740e-01 4.99374e-01 845 2021 1 1.28797e+00 4.99609e-01 640 2021 2 3.32465e+00 1.27725e+00 512 2021 3 5.02156e+00 3.94074e+00 257 2021 4 4.14574e+00 2.85589e+00 664 2021 5 3.02906e+00 2.74848e+00 786 2021 6 1.48060e+00 4.55419e-01 338 2021 7 4.38644e+00 5.11110e+00 235 2021 8 8.67515e+00 8.62693e+00 191 2021 9 9.25671e+00 9.66948e+00 621 2021 10 5.19225e+00 4.74579e+00 717 2021 11 2.80407e+00 1.26701e+00 960 2021 12 2.36675e+00 7.83941e-01 640 2022 1 2.07477e+00 1.12040e+00 895 2022 2 2.12084e+00 2.33902e+00 1011 2022 3 1.63927e+00 7.98902e-01 774 2022 4 9.30706e+00 7.02467e+00 168 2022 5 3.04881e+00 1.31114e+00 532 2022 6 2.31163e+00 1.33227e+00 483 2022 7 1.90328e+00 1.18724e+00 393 2022 8 4.47766e+00 4.23455e+00 464 2022 9 5.06980e+00 5.85354e+00 428 2022 10 1.11427e+00 6.53416e-01 1157 2022 11 2.22883e+00 1.59749e+00 408 2022 12 9.51214e-01 4.35295e-01 1009 2023 1 7.56748e-01 2.94048e-01 832 2023 2 1.03354e+00 3.44442e-01 638 2023 3 1.96360e+00 6.89015e-01 750 2023 4 2.60651e+00 1.27279e+00 384 2023 5 1.85306e+00 6.16057e-01 378 2023 6 1.04263e+00 6.24916e-01 228 2023 7 4.52097e+00 5.53495e+00 584 2023 8 4.77357e+00 2.89499e+00 578 2023 9 4.03425e+00 2.90254e+00 574 2023 10 3.30522e+00 3.40416e+00 727 2023 11 9.97728e-01 4.66284e-01 763 2023 12 1.77847e+00 1.20029e+00 384 2024 1 6.63270e+00 4.32701e+00 530 2024 2 5.31559e+00 3.65441e+00 651 2024 3 3.94683e+00 2.65085e+00 361 2024 4 nan nan 0