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 1.56818e+01 1.46785e+00 138 2002 8 2.09168e+01 8.16187e+00 454 2002 9 1.50005e+01 7.20594e+00 442 2002 10 1.43377e+01 6.09854e+00 720 2002 11 9.52461e+00 5.32124e+00 744 2002 12 1.08684e+01 7.06843e+00 640 2003 1 6.44459e+00 4.11136e+00 896 2003 2 8.77259e+00 5.44544e+00 448 2003 3 1.96090e-01 3.06115e-01 97 2003 4 3.10947e+00 2.94441e+00 91 2003 5 1.46518e+01 2.20901e+01 303 2003 6 7.34959e+00 6.06866e+00 272 2003 7 1.93829e+01 2.15406e+01 232 2003 8 1.39814e+01 1.19756e+01 444 2003 9 1.87973e+01 1.09365e+01 475 2003 10 1.37773e+01 1.29443e+01 899 2003 11 7.38568e+00 5.38984e+00 896 2003 12 1.19997e+01 8.49943e+00 849 2004 1 8.77855e+00 6.38296e+00 830 2004 2 1.10523e+01 5.03271e+00 384 2004 3 5.53314e+00 6.14718e+00 735 2004 4 1.00649e+01 2.99199e+00 384 2004 5 1.25132e+01 5.70966e+00 695 2004 6 1.82544e+01 8.26285e+00 631 2004 7 9.95072e+00 5.42690e+00 448 2004 8 1.33809e+01 8.99504e+00 566 2004 9 8.56663e+00 1.27484e+01 275 2004 10 1.85233e+00 8.47106e+00 188 2004 11 2.74001e-01 3.27875e-01 321 2004 12 5.59989e+00 1.68374e+01 480 2005 1 2.98480e+00 2.92230e+00 696 2005 2 4.38462e+00 7.97820e+00 628 2005 3 3.64311e+00 3.41088e+00 448 2005 4 1.03721e+01 2.01517e+01 437 2005 5 3.40992e+01 8.91804e+00 206 2005 6 1.53632e+01 1.09006e+01 320 2005 7 1.38158e+01 1.11541e+01 465 2005 8 8.74626e+00 9.31388e+00 205 2005 9 1.26856e+01 1.11503e+01 384 2005 10 1.16367e+01 6.57814e+00 810 2005 11 7.21185e+00 5.26574e+00 1088 2005 12 6.92817e+00 4.85937e+00 1134 2006 1 4.63877e+00 6.95897e+00 716 2006 2 3.59421e+00 4.80962e+00 768 2006 3 5.76943e+00 7.96910e+00 1066 2006 4 2.99406e+00 3.85428e+00 346 2006 5 1.46623e+01 4.21556e+00 384 2006 6 1.68161e+01 5.30684e+00 425 2006 7 9.96872e+00 6.80959e+00 449 2006 8 1.18963e+01 2.07756e+00 496 2006 9 1.43676e+01 6.54002e+00 785 2006 10 1.46393e+01 8.28772e+00 998 2006 11 1.23134e+01 6.69947e+00 865 2006 12 1.65912e+01 6.59263e+00 560 2007 1 1.75222e+01 6.58541e+00 437 2007 2 1.89523e+01 8.46228e+00 698 2007 3 1.55692e+01 8.98586e+00 1055 2007 4 1.74764e+01 9.63638e+00 761 2007 5 2.46525e+01 4.64273e+00 238 2007 6 1.83533e+01 5.38193e+00 384 2007 7 1.56837e+01 5.09040e+00 438 2007 8 1.88895e+01 7.53988e+00 674 2007 9 1.67690e+01 5.21961e+00 469 2007 10 1.34158e+01 6.28991e+00 768 2007 11 1.81169e+01 8.33624e+00 1029 2007 12 1.28471e+01 8.27076e+00 856 2008 1 1.78800e+01 8.62801e+00 583 2008 2 1.37768e+01 5.79676e+00 788 2008 3 3.96107e+00 7.53271e+00 721 2008 4 1.93227e+01 1.89895e+01 657 2008 5 5.23228e+00 5.89644e+00 567 2008 6 1.30042e+01 1.10868e+01 417 2008 7 1.14184e+01 6.14013e+00 439 2008 8 1.14320e+01 4.24824e+00 227 2008 9 1.28158e+01 8.82456e+00 743 2008 10 7.81104e+00 5.94563e+00 955 2008 11 1.24817e+01 5.71670e+00 962 2008 12 4.80780e+00 4.68405e+00 961 2009 1 1.13787e+01 9.66061e+00 782 2009 2 7.27983e+00 4.00641e+00 983 2009 3 1.06931e+01 6.85078e+00 1021 2009 4 1.28173e+01 1.14035e+01 582 2009 5 1.11703e+01 1.46885e+01 414 2009 6 1.48125e+01 1.16651e+01 555 2009 7 1.88865e+01 1.36194e+01 184 2009 8 1.77894e+01 1.38766e+01 623 2009 9 1.72851e+01 1.10096e+01 791 2009 10 1.27884e+01 8.02757e+00 876 2009 11 1.24394e+01 6.87961e+00 882 2009 12 1.02654e+01 9.05550e+00 256 2010 1 5.97031e+00 2.48805e+00 829 2010 2 2.98333e+00 2.10991e+00 704 2010 3 1.23305e+00 8.28760e-01 842 2010 4 2.35983e+00 2.96036e+00 278 2010 5 1.17896e+01 1.15447e+01 634 2010 6 1.53435e+01 4.05959e+00 576 2010 7 1.41244e+01 6.96700e+00 425 2010 8 1.27642e+01 5.88878e+00 310 2010 9 1.50257e+01 8.73687e+00 680 2010 10 1.29762e+01 4.81684e+00 1536 2010 11 1.18015e+01 6.08507e+00 1271 2010 12 1.46052e+01 1.02663e+01 1132 2011 1 1.78155e+01 9.01744e+00 700 2011 2 2.24798e+01 3.51708e+00 647 2011 3 2.14564e+01 6.54234e+00 884 2011 4 1.85416e+01 7.95625e+00 838 2011 5 1.65824e+01 6.28306e+00 854 2011 6 1.54741e+01 3.12003e+00 256 2011 7 1.72264e+01 4.32890e+00 320 2011 8 1.66902e+01 8.61886e+00 579 2011 9 1.55249e+01 8.11728e+00 754 2011 10 1.49302e+01 8.93085e+00 954 2011 11 2.15321e+01 6.23403e+00 1147 2011 12 2.47445e+01 7.45914e+00 958 2012 1 2.36193e+01 9.23743e+00 920 2012 2 2.46691e+01 4.49298e+00 214 2012 3 2.57050e+01 8.18810e+00 879 2012 4 2.01653e+01 6.53449e+00 859 2012 5 1.94096e+01 6.49124e+00 421 2012 6 7.60324e+00 1.11348e+00 128 2012 7 1.46972e+01 1.06460e+01 320 2012 8 1.42869e+01 1.90582e+01 342 2012 9 1.35247e+01 1.74256e+01 414 2012 10 7.38594e-01 6.42723e-01 618 2012 11 9.57142e+00 5.40604e+00 852 2012 12 4.95032e+00 4.53615e+00 812 2013 1 9.49908e+00 4.92445e+00 640 2013 2 1.36741e+01 3.83534e+00 448 2013 3 9.82999e+00 7.49689e+00 751 2013 4 9.56888e+00 1.54606e+01 418 2013 5 8.34511e+00 9.82553e+00 572 2013 6 1.31525e+01 1.21723e+01 333 2013 7 1.85632e+00 1.37314e+00 123 2013 8 1.17296e+01 1.10131e+01 277 2013 9 5.81305e+00 1.04801e+01 408 2013 10 1.41675e+01 1.39545e+01 832 2013 11 5.69466e+00 6.46197e+00 384 2013 12 8.78409e+00 5.47902e+00 806 2014 1 5.75536e+00 4.17448e+00 512 2014 2 5.92325e+00 2.88732e+00 700 2014 3 4.63381e+00 5.21531e+00 565 2014 4 1.29661e+00 1.41151e+00 335 2014 5 5.37664e-01 3.87144e-01 128 2014 6 1.61909e+01 1.81300e+01 337 2014 7 1.10901e+01 8.18274e+00 521 2014 8 8.50743e+00 3.62074e+00 308 2014 9 2.06908e+01 1.56608e+01 387 2014 10 7.26700e+00 1.00441e+01 1133 2014 11 8.80475e+00 4.42686e+00 902 2014 12 1.10867e+01 8.13735e+00 640 2015 1 5.95617e+00 5.45746e+00 783 2015 2 8.05826e+00 8.28616e+00 744 2015 3 1.20010e+01 1.76410e+01 428 2015 4 2.63950e+01 2.55822e+01 279 2015 5 1.71008e+01 1.24045e+01 766 2015 6 1.96485e+01 6.93048e+00 480 2015 7 4.68697e+00 4.94405e+00 155 2015 8 1.18430e+01 7.49968e+00 384 2015 9 1.30661e+01 8.40471e+00 291 2015 10 8.25474e+00 5.32298e+00 901 2015 11 7.79474e+00 5.56102e+00 834 2015 12 1.22163e+01 7.26297e+00 506 2016 1 5.84319e+00 5.76253e+00 640 2016 2 5.13326e+00 6.54468e+00 1155 2016 3 5.56321e+00 3.05079e+00 586 2016 4 1.42926e+01 1.48638e+01 500 2016 5 7.49248e+00 4.92764e+00 643 2016 6 1.45921e+01 9.87714e+00 557 2016 7 1.32454e+01 4.78890e+00 819 2016 8 1.36669e+01 6.06182e+00 643 2016 9 8.82598e+00 5.79573e+00 717 2016 10 1.24957e+01 7.11623e+00 986 2016 11 1.44650e+01 5.14736e+00 960 2016 12 1.58849e+01 5.74256e+00 835 2017 1 1.39545e+01 8.85201e+00 696 2017 2 5.17907e+00 4.61099e+00 912 2017 3 1.26466e+01 7.48420e+00 960 2017 4 1.68214e+01 3.48278e+00 820 2017 5 1.76056e+01 4.47736e+00 510 2017 6 2.69406e+01 4.74992e+00 85 2017 7 1.48920e+01 1.05813e+01 273 2017 8 1.22967e+01 1.00169e+01 656 2017 9 9.89381e+00 1.05216e+01 451 2017 10 7.14638e+00 1.61662e+01 341 2017 11 6.24279e+00 6.46554e+00 1238 2017 12 8.40318e+00 6.16429e+00 576 2018 1 1.41598e+01 5.21898e+00 697 2018 2 1.99862e+01 6.83620e+00 632 2018 3 1.72719e+01 7.38848e+00 903 2018 4 1.23319e+01 8.79563e+00 601 2018 5 1.13864e+01 8.40325e+00 398 2018 6 1.06533e+01 5.21080e+00 256 2018 7 2.20079e+01 2.02543e+01 128 2018 8 2.07505e+01 1.58221e+01 456 2018 9 2.16585e+01 1.64067e+01 980 2018 10 8.12047e+00 7.24306e+00 1083 2018 11 8.57845e+00 1.02754e+01 448 2018 12 4.69312e+00 5.52890e+00 555 2019 1 9.71179e-01 1.38364e+00 522 2019 2 4.97405e+00 5.24905e+00 217 2019 3 8.00735e+00 1.07578e+01 766 2019 4 4.01107e+00 4.81198e+00 436 2019 5 1.16205e+01 6.81393e+00 799 2019 6 1.50702e+01 4.32031e+00 135 2019 7 2.05634e+01 5.85609e+00 276 2019 8 1.12609e+01 7.79898e+00 485 2019 9 1.45344e+01 9.24213e+00 830 2019 10 1.06843e+01 9.02611e+00 588 2019 11 1.10202e+01 5.10929e+00 715 2019 12 1.10575e+01 7.72273e+00 529 2020 1 1.41270e+01 5.91114e+00 704 2020 2 7.48992e+00 5.42848e+00 594 2020 3 1.55128e+01 1.41319e+01 651 2020 4 4.27725e+00 2.95428e+00 468 2020 5 8.25764e+00 8.33217e+00 646 2020 6 7.54252e+00 4.80183e+00 529 2020 7 1.90096e+01 1.57969e+01 256 2020 8 1.03583e+01 7.14217e+00 256 2020 9 1.36000e+01 1.14565e+01 219 2020 10 6.21308e+00 6.05349e+00 755 2020 11 1.40346e+00 1.39295e+00 894 2020 12 5.15635e+00 6.15513e+00 810 2021 1 3.40123e+00 3.24911e+00 620 2021 2 3.25588e+00 4.70364e+00 651 2021 3 5.72452e-02 6.36793e-02 154 2021 4 1.57181e+00 3.66038e+00 598 2021 5 4.77001e+00 5.08852e+00 665 2021 6 2.06513e+01 1.26819e+01 194 2021 7 1.81674e+01 1.28334e+01 261 2021 8 2.58712e+01 2.33016e+01 384 2021 9 1.07861e+01 1.76102e+01 400 2021 10 1.25539e+01 1.60302e+01 610 2021 11 4.27562e+00 8.06447e+00 896 2021 12 4.70679e+00 6.91590e+00 740 2022 1 2.55966e+00 1.93650e+00 810 2022 2 8.04699e+00 5.24419e+00 1024 2022 3 5.71553e+00 4.10037e+00 890 2022 4 3.07492e+00 8.97186e-01 64 2022 5 1.25063e+01 1.18268e+01 500 2022 6 1.21724e+01 8.18370e+00 438 2022 7 1.35870e+01 7.14589e+00 617 2022 8 1.95285e+01 8.19811e+00 583 2022 9 1.19558e+01 9.35142e+00 230 2022 10 1.07197e+01 5.52750e+00 1189 2022 11 8.25522e+00 5.02904e+00 412 2022 12 1.06369e+01 6.84189e+00 880 2023 1 1.57531e+01 8.34292e+00 937 2023 2 1.33086e+01 6.65480e+00 556 2023 3 1.43930e+01 5.21378e+00 704 2023 4 1.76502e+01 1.00906e+01 384 2023 5 1.38990e+01 8.25077e+00 346 2023 6 1.57340e+01 6.14057e+00 336 2023 7 1.16598e+01 8.76323e+00 584 2023 8 1.85703e+01 1.59202e+01 546 2023 9 1.17338e+01 1.05881e+01 581 2023 10 7.77510e+00 6.49833e+00 663 2023 11 9.75457e+00 6.57850e+00 704 2023 12 7.22047e+00 7.61977e+00 325 2024 1 8.69437e-01 1.38579e+00 402 2024 2 3.42855e+00 4.97852e+00 657 2024 3 6.81686e+00 6.98702e+00 448 2024 4 nan nan 0