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 6.62521e-03 4.60601e-03 279 2002 8 6.48974e-03 2.05559e-03 512 2002 9 1.03115e-02 4.75713e-03 572 2002 10 7.08786e-03 3.20832e-03 704 2002 11 1.01393e-02 3.82910e-03 915 2002 12 1.13787e-02 3.62558e-03 640 2003 1 9.54122e-03 5.96188e-03 1088 2003 2 7.74480e-03 2.50464e-03 640 2003 3 2.92485e-02 4.08404e-02 145 2003 4 2.41134e-02 2.25062e-02 374 2003 5 1.15321e-02 2.64634e-02 111 2003 6 1.16814e-02 9.40747e-03 318 2003 7 1.16330e-02 6.45699e-03 118 2003 8 7.16665e-03 6.96041e-03 410 2003 9 1.05570e-02 2.78055e-02 636 2003 10 7.43827e-03 1.54668e-02 1020 2003 11 9.81525e-03 6.15632e-03 1134 2003 12 1.24556e-02 6.22001e-03 896 2004 1 6.53508e-03 3.39025e-03 788 2004 2 8.39408e-03 1.78551e-03 236 2004 3 4.73954e-03 4.54269e-03 853 2004 4 5.23769e-03 2.84919e-03 730 2004 5 5.01757e-03 1.15985e-02 619 2004 6 6.62220e-03 1.76811e-02 383 2004 7 4.15831e-03 5.01863e-03 552 2004 8 7.34160e-03 2.34300e-02 597 2004 9 1.76886e-02 1.39289e-02 394 2004 10 1.12218e-01 8.11075e-02 194 2004 11 1.25234e-01 9.15460e-02 412 2004 12 4.61375e-02 3.18638e-02 501 2005 1 1.24415e-02 1.08340e-02 707 2005 2 5.90511e-03 4.37530e-03 494 2005 3 1.21103e-02 7.64695e-03 708 2005 4 1.83346e-02 1.24952e-02 254 2005 5 8.85864e-03 1.04790e-02 417 2005 6 2.91979e-02 4.17407e-02 435 2005 7 2.42967e-02 1.75108e-02 447 2005 8 1.14644e-02 5.97237e-03 89 2005 9 1.05961e-02 6.55835e-03 384 2005 10 1.21630e-02 1.59642e-02 1177 2005 11 8.06749e-03 3.53880e-03 1181 2005 12 9.66700e-03 3.71209e-03 1024 2006 1 1.17366e-02 7.24702e-03 854 2006 2 1.53664e-02 7.67950e-03 792 2006 3 5.57431e-03 5.34225e-03 1035 2006 4 2.85426e-03 2.21162e-03 639 2006 5 5.53761e-03 2.31004e-03 709 2006 6 1.26044e-02 4.34556e-02 341 2006 7 3.76493e-03 2.01738e-03 400 2006 8 6.27152e-03 1.84922e-02 440 2006 9 7.92088e-03 2.80494e-03 686 2006 10 9.07173e-03 5.36426e-03 995 2006 11 9.17666e-03 2.51678e-03 827 2006 12 9.94639e-03 8.91730e-03 571 2007 1 1.08737e-02 3.24198e-02 540 2007 2 8.90827e-03 3.08106e-03 883 2007 3 6.44309e-03 1.35972e-03 1209 2007 4 7.66493e-03 1.07606e-02 837 2007 5 5.99454e-03 1.52543e-03 441 2007 6 5.86166e-03 4.94812e-03 539 2007 7 6.09799e-03 4.10272e-03 497 2007 8 7.42298e-03 2.42472e-03 576 2007 9 6.66912e-03 3.42683e-03 601 2007 10 7.48273e-03 1.19538e-03 701 2007 11 9.05373e-03 1.67969e-03 1076 2007 12 1.00499e-02 4.08228e-03 753 2008 1 1.00536e-02 2.26195e-03 1025 2008 2 9.97267e-03 1.56888e-03 1152 2008 3 1.16151e-02 1.04830e-02 960 2008 4 4.52713e-03 5.59312e-03 780 2008 5 5.00509e-03 4.21115e-03 648 2008 6 9.15377e-03 4.21477e-02 611 2008 7 4.72034e-03 1.22647e-03 383 2008 8 4.20192e-03 1.38378e-03 192 2008 9 5.78939e-03 4.72298e-03 703 2008 10 7.26915e-03 6.85707e-03 1024 2008 11 7.31082e-03 2.55094e-03 1021 2008 12 1.54501e-02 1.29529e-02 890 2009 1 1.25716e-02 9.50728e-03 640 2009 2 7.14001e-03 3.41498e-03 896 2009 3 7.93868e-03 3.81680e-03 1080 2009 4 4.63124e-03 2.28925e-03 709 2009 5 9.70679e-03 1.80408e-02 169 2009 6 4.79795e-03 3.07077e-03 448 2009 7 5.93708e-03 4.39678e-03 387 2009 8 4.07642e-03 2.12043e-03 549 2009 9 4.36473e-03 2.51694e-03 895 2009 10 6.61650e-03 1.55320e-02 858 2009 11 9.80478e-03 3.32956e-02 637 2009 12 1.18835e-02 2.50404e-03 256 2010 1 1.37546e-02 8.75511e-03 896 2010 2 3.56897e-02 4.14580e-02 863 2010 3 2.03413e-02 1.18328e-02 858 2010 4 9.21897e-03 1.53767e-02 608 2010 5 5.08017e-03 4.73519e-03 595 2010 6 3.41075e-03 2.58733e-03 524 2010 7 5.37019e-03 5.65030e-03 404 2010 8 4.10854e-03 2.04186e-03 276 2010 9 4.60618e-03 4.54585e-03 785 2010 10 5.26863e-03 1.80051e-03 1555 2010 11 6.96122e-03 2.34726e-03 1255 2010 12 1.13182e-02 4.34163e-03 1088 2011 1 9.11062e-03 2.88673e-03 708 2011 2 7.34455e-03 1.31511e-03 626 2011 3 6.09368e-03 1.96589e-03 947 2011 4 4.41303e-03 2.33851e-03 963 2011 5 4.66349e-03 1.82159e-03 785 2011 6 4.46413e-03 1.04219e-03 314 2011 7 4.24492e-03 1.41636e-03 446 2011 8 5.58888e-03 6.53322e-03 750 2011 9 6.31908e-03 1.92486e-03 838 2011 10 8.62360e-03 3.80426e-03 1088 2011 11 9.31255e-03 2.34703e-03 1123 2011 12 1.00230e-02 1.90366e-03 929 2012 1 1.10929e-02 2.82416e-03 1152 2012 2 9.83192e-03 6.19974e-03 434 2012 3 7.39822e-03 2.18175e-03 896 2012 4 5.74102e-03 1.51361e-03 944 2012 5 5.98581e-03 2.20415e-03 632 2012 6 6.72364e-03 4.49308e-03 448 2012 7 3.68603e-03 1.02265e-02 389 2012 8 5.75384e-03 2.02549e-02 316 2012 9 2.13230e-02 1.98883e-02 691 2012 10 1.50427e-02 2.55426e-02 739 2012 11 8.36911e-03 5.02430e-03 1234 2012 12 1.17151e-02 9.84707e-03 512 2013 1 9.04573e-03 6.64704e-03 661 2013 2 9.01189e-03 3.20295e-03 640 2013 3 8.73141e-03 1.17452e-02 897 2013 4 2.75534e-03 2.14747e-03 343 2013 5 3.85998e-03 3.17576e-03 557 2013 6 5.58595e-03 1.28053e-02 422 2013 7 8.55438e-03 1.23265e-02 199 2013 8 1.68795e-02 3.22453e-02 303 2013 9 2.23383e-02 2.58076e-02 659 2013 10 9.96275e-03 2.63513e-02 795 2013 11 6.94146e-03 9.94090e-03 635 2013 12 8.68555e-03 1.99846e-03 851 2014 1 9.34973e-03 3.19255e-03 652 2014 2 6.71977e-03 8.62971e-03 722 2014 3 7.63536e-03 8.03262e-03 823 2014 4 1.75421e-02 1.94533e-02 374 2014 5 4.74084e-02 8.31178e-02 110 2014 6 5.96391e-03 3.24618e-03 257 2014 7 4.17447e-03 4.24991e-03 481 2014 8 5.61557e-03 1.38152e-02 528 2014 9 6.61897e-03 2.66694e-03 510 2014 10 8.66382e-03 7.09631e-03 1404 2014 11 8.39080e-03 3.09234e-03 1022 2014 12 7.77198e-03 2.19319e-03 897 2015 1 8.57407e-03 3.77702e-03 828 2015 2 8.26221e-03 3.70162e-03 831 2015 3 3.80482e-03 3.84651e-03 478 2015 4 1.57998e-03 1.27960e-03 155 2015 5 3.53853e-03 5.25601e-03 832 2015 6 6.48281e-03 2.07516e-02 509 2015 7 3.45409e-03 1.51858e-03 236 2015 8 1.00560e-02 6.29218e-03 533 2015 9 1.27422e-02 2.28597e-02 437 2015 10 4.66816e-03 3.43759e-03 989 2015 11 7.50006e-03 4.23702e-03 904 2015 12 7.22617e-03 2.40665e-03 500 2016 1 1.14270e-02 3.06419e-03 640 2016 2 1.50491e-02 1.07926e-02 1280 2016 3 6.71326e-03 4.62208e-03 663 2016 4 4.29842e-03 3.19342e-03 556 2016 5 2.92584e-03 3.62981e-03 880 2016 6 3.90948e-03 1.25126e-03 479 2016 7 4.38308e-03 6.80928e-03 871 2016 8 6.43145e-03 8.71199e-03 736 2016 9 8.57911e-03 6.94065e-03 939 2016 10 4.93269e-03 4.86361e-03 891 2016 11 6.94819e-03 1.76335e-03 956 2016 12 8.27674e-03 2.01714e-03 713 2017 1 9.90102e-03 2.96882e-03 650 2017 2 7.46167e-03 3.08396e-03 1129 2017 3 5.19120e-03 2.11225e-03 1028 2017 4 6.65452e-03 3.10572e-03 702 2017 5 6.55738e-03 2.31862e-03 459 2017 6 4.99433e-03 2.58247e-03 445 2017 7 3.65427e-03 2.46652e-03 192 2017 8 4.59074e-03 4.61767e-03 518 2017 9 8.44531e-03 3.59194e-02 771 2017 10 7.91520e-03 1.30875e-02 886 2017 11 6.31424e-03 2.62289e-03 1209 2017 12 7.50958e-03 2.59688e-03 762 2018 1 9.99527e-03 5.90619e-03 779 2018 2 6.08092e-03 1.98457e-03 490 2018 3 6.28811e-03 2.85114e-03 813 2018 4 4.21196e-03 2.84724e-03 687 2018 5 4.56720e-03 2.85300e-03 493 2018 6 3.46233e-03 1.19280e-02 409 2018 7 4.96488e-03 4.68302e-03 338 2018 8 1.33759e-02 1.01491e-02 560 2018 9 1.17505e-02 3.10801e-02 954 2018 10 1.03040e-02 5.95632e-03 1088 2018 11 1.58874e-02 6.99879e-03 256 2018 12 2.08643e-02 1.91018e-02 691 2019 1 4.77251e-02 2.93359e-02 599 2019 2 1.84004e-02 2.29348e-02 128 2019 3 6.58606e-03 5.66431e-03 706 2019 4 8.49788e-03 7.67522e-03 510 2019 5 2.87184e-03 1.57069e-03 793 2019 6 6.03670e-03 3.93188e-03 384 2019 7 3.92839e-03 1.92808e-03 448 2019 8 4.00936e-03 2.52938e-03 749 2019 9 3.60919e-03 3.99471e-03 895 2019 10 5.91611e-03 2.94754e-03 761 2019 11 6.85493e-03 1.97419e-03 704 2019 12 1.13077e-02 5.23065e-03 486 2020 1 7.87457e-03 2.54089e-03 576 2020 2 1.09471e-02 5.08264e-03 640 2020 3 5.52308e-03 4.55712e-03 900 2020 4 4.97193e-03 3.36045e-03 610 2020 5 3.91625e-03 1.38654e-03 701 2020 6 2.75598e-03 2.06205e-03 602 2020 7 4.29539e-03 3.02686e-03 320 2020 8 9.38783e-03 3.09438e-02 239 2020 9 8.32686e-03 7.47054e-03 456 2020 10 8.63080e-03 9.75391e-03 655 2020 11 7.72297e-03 5.13346e-03 1004 2020 12 7.34191e-03 2.33195e-03 643 2021 1 1.28764e-02 1.34463e-02 659 2021 2 1.04391e-02 8.39750e-03 567 2021 3 6.18242e-03 1.18939e-02 791 2021 4 1.98324e-03 2.52887e-03 676 2021 5 2.91757e-03 2.79022e-03 746 2021 6 6.13223e-03 2.62440e-03 253 2021 7 7.69113e-04 2.32303e-03 151 2021 8 7.01942e-02 7.39730e-02 335 2021 9 3.62344e-02 2.77796e-02 533 2021 10 2.25278e-02 2.58174e-02 613 2021 11 1.88366e-02 1.27503e-02 804 2021 12 1.40693e-02 8.48816e-03 538 2022 1 2.45655e-02 2.39207e-02 878 2022 2 6.04520e-03 5.23914e-03 765 2022 3 8.79752e-03 2.20186e-02 742 2022 4 3.08628e-03 4.58169e-03 204 2022 5 4.48789e-03 4.05744e-03 442 2022 6 3.35896e-03 1.29867e-03 597 2022 7 1.14849e-02 5.10349e-02 317 2022 8 4.22806e-03 1.34747e-02 535 2022 9 6.15123e-03 2.92031e-03 411 2022 10 4.09901e-03 5.28754e-03 1334 2022 11 6.56592e-03 5.99335e-03 512 2022 12 9.26717e-03 3.79713e-03 908 2023 1 8.87858e-03 2.61990e-03 768 2023 2 9.11197e-03 2.60100e-03 555 2023 3 6.75977e-03 3.23262e-03 714 2023 4 5.02719e-03 1.15035e-03 320 2023 5 7.51292e-03 6.84758e-03 448 2023 6 5.67393e-03 4.43895e-03 382 2023 7 4.54362e-03 2.10641e-03 320 2023 8 5.22226e-03 5.85061e-03 694 2023 9 9.96180e-03 4.42706e-03 538 2023 10 7.26784e-03 1.35981e-02 757 2023 11 5.79835e-03 2.97705e-03 676 2023 12 8.79194e-03 5.13967e-03 320 2024 1 1.15523e-02 7.90315e-03 512 2024 2 1.10931e-02 1.19965e-02 471 2024 3 7.06232e-03 1.31283e-02 340 2024 4 nan nan 0