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 3.25145e-01 9.73792e-02 763 2002 8 4.25384e-01 6.55970e-02 956 2002 9 1.31010e+00 2.08349e+00 894 2002 10 1.17867e+00 6.43485e-01 689 2002 11 1.21060e+00 1.89786e-01 890 2002 12 1.01325e+00 8.78814e-02 307 2003 1 1.10633e+00 4.89121e-01 879 2003 2 9.89969e-01 1.91148e-01 510 2003 3 8.07491e-01 1.20833e-01 512 2003 4 4.27447e-01 1.35495e-01 309 2003 5 4.11637e-01 1.06794e-01 132 2003 6 3.48153e-01 8.77808e-02 552 2003 7 2.84476e-01 6.35193e-02 481 2003 8 3.47250e-01 7.37129e-02 800 2003 9 1.21773e+00 8.17444e-01 1159 2003 10 2.21135e+00 1.20754e+00 692 2003 11 1.18651e+00 2.09189e-01 840 2003 12 1.21896e+00 3.27109e-01 452 2004 1 1.00956e+00 2.66843e-01 484 2004 2 1.60900e+00 5.17967e-01 624 2004 3 7.45320e-01 1.48741e-01 857 2004 4 4.41932e-01 8.79399e-02 323 2004 5 6.31963e-01 2.67195e-01 320 2004 6 7.04178e-01 4.12071e-01 824 2004 7 3.59420e-01 1.19082e-01 514 2004 8 4.47895e-01 1.65480e-01 845 2004 9 1.11852e+00 9.60976e-01 575 2004 10 1.66869e+00 1.42877e+00 672 2004 11 2.76025e+00 2.24235e+00 307 2004 12 1.54630e+00 6.93554e-01 622 2005 1 2.34348e+00 3.84232e+00 665 2005 2 1.14708e+00 2.52396e-01 512 2005 3 6.30984e-01 2.38773e-01 664 2005 4 4.15359e-01 1.15566e-01 463 2005 5 4.01266e-01 6.97459e-02 384 2005 6 6.33201e-01 2.56348e-01 555 2005 7 4.25919e-01 1.47764e-01 163 2005 8 4.86127e-01 3.36747e-01 683 2005 9 8.69787e-01 3.97817e-01 887 2005 10 1.62752e+00 6.87203e-01 820 2005 11 1.19611e+00 1.68802e-01 562 2005 12 1.42804e+00 5.09113e-01 809 2006 1 1.16544e+00 2.94909e-01 440 2006 2 9.65410e-01 3.37409e-01 510 2006 3 7.17331e-01 1.94939e-01 829 2006 4 5.68278e-01 1.02902e-01 357 2006 5 9.62589e-01 3.81328e-01 234 2006 6 4.52939e-01 2.32147e-01 972 2006 7 3.83742e-01 1.41176e-01 268 2006 8 5.04039e-01 1.62355e-01 20 2006 9 1.70803e+00 4.37959e+00 986 2006 10 1.58066e+00 7.06666e-01 793 2006 11 1.36350e+00 3.08171e-01 775 2006 12 1.22244e+00 1.87827e-01 602 2007 1 1.62948e+00 7.30405e-01 720 2007 2 1.17989e+00 2.97751e-01 957 2007 3 9.62685e-01 2.51885e-01 573 2007 4 8.08012e-01 1.48946e-01 138 2007 5 1.12414e+00 5.24258e-01 261 2007 6 7.26516e-01 2.73497e-01 516 2007 7 3.70936e-01 4.60930e-02 196 2007 8 2.99538e-01 5.27090e-02 357 2007 9 8.36953e-01 4.65395e-01 808 2007 10 2.37046e+00 1.55811e+00 742 2007 11 1.35174e+00 2.39418e-01 944 2007 12 1.55822e+00 7.72275e-01 593 2008 1 1.76091e+00 9.30772e-01 339 2008 2 1.01208e+00 1.96370e-01 465 2008 3 6.82835e-01 3.01456e-01 809 2008 4 3.16358e-01 7.97129e-02 107 2008 5 1.09119e+00 1.13083e-01 8 2008 6 1.28046e+00 7.34240e-01 170 2008 7 7.30769e-01 3.54851e-01 189 2008 8 6.66790e-01 1.57228e-01 137 2008 9 1.13859e+00 8.40750e-01 214 2008 10 2.29487e+00 1.81337e+00 481 2008 11 1.21368e+00 1.51598e-01 546 2008 12 1.27965e+00 2.45734e-01 787 2009 1 1.27724e+00 3.50829e-01 765 2009 2 7.40386e-01 1.03253e-01 321 2009 3 6.66891e-01 1.50151e-01 469 2009 4 6.98088e-01 1.52273e-01 96 2009 5 8.67230e-01 3.55310e-01 314 2009 6 4.37375e-01 1.62675e-01 203 2009 7 3.31456e-01 6.27079e-02 170 2009 8 4.08506e-01 8.18979e-02 326 2009 9 7.63245e-01 4.24527e-01 324 2009 10 2.16875e+00 8.84254e-01 265 2009 11 1.15599e+00 5.81565e-01 438 2009 12 1.23876e+00 1.41080e-01 508 2010 1 1.02683e+00 7.93981e-02 744 2010 2 7.47318e-01 2.06489e-01 462 2010 3 4.05820e-01 7.97848e-02 393 2010 4 5.86349e-01 1.15242e-01 256 2010 5 8.22892e-01 1.85565e-01 387 2010 6 3.18223e-01 1.08159e-01 287 2010 7 3.60196e-01 1.67528e-01 573 2010 8 2.70886e-01 4.62170e-02 146 2010 9 1.00178e+00 1.17899e+00 610 2010 10 2.60364e+00 2.19098e+00 799 2010 11 1.26612e+00 2.33248e-01 1207 2010 12 1.83436e+00 7.09109e-01 897 2011 1 1.04164e+00 1.45488e-01 496 2011 2 1.07828e+00 1.30500e-01 425 2011 3 9.28050e-01 2.36149e-01 693 2011 4 1.51906e+00 5.87610e-01 128 2011 5 1.46760e+00 2.14091e+00 261 2011 6 3.54581e-01 7.81490e-02 421 2011 7 2.89399e-01 6.65391e-02 383 2011 8 3.18162e-01 5.85611e-02 814 2011 9 7.65114e-01 3.93990e-01 851 2011 10 1.58074e+00 4.19883e-01 920 2011 11 1.48347e+00 4.16122e-01 574 2011 12 1.87504e+00 1.36303e+00 1026 2012 1 9.95932e-01 2.65498e-01 832 2012 2 9.49279e-01 1.69174e-01 704 2012 3 8.85275e-01 2.10113e-01 473 2012 4 5.34791e-01 6.41382e-02 187 2012 5 nan nan 0 2012 6 2.69134e-01 3.23233e-02 162 2012 7 3.40553e-01 1.39286e-01 187 2012 8 3.50645e-01 8.93228e-02 406 2012 9 8.35166e-01 6.68961e-01 514 2012 10 9.50842e-01 5.94046e-01 791 2012 11 1.37460e+00 4.61586e-01 446 2012 12 1.06044e+00 1.36196e-01 283 2013 1 1.19183e+00 7.04192e-01 644 2013 2 8.44852e-01 2.63220e-01 593 2013 3 5.84574e-01 1.40855e-01 450 2013 4 3.97877e-01 7.19810e-02 220 2013 5 3.59354e-01 3.49246e-02 320 2013 6 2.54927e-01 5.65012e-02 638 2013 7 3.61242e-01 1.24630e-01 648 2013 8 3.61520e-01 7.54592e-02 689 2013 9 7.19868e-01 4.66900e-01 941 2013 10 1.17146e+00 3.89286e-01 1152 2013 11 1.22703e+00 2.21159e-01 623 2013 12 1.16781e+00 2.48445e-01 995 2014 1 8.32814e-01 2.47208e-01 617 2014 2 7.23415e-01 1.20378e-01 769 2014 3 4.92636e-01 1.01013e-01 654 2014 4 1.31989e+00 1.21633e+00 420 2014 5 5.18052e-01 2.46790e-01 448 2014 6 4.37448e-01 1.28828e-01 749 2014 7 3.55258e-01 7.78857e-02 832 2014 8 3.36230e-01 8.36490e-02 470 2014 9 4.70609e-01 1.45874e-01 1138 2014 10 1.43879e+00 1.12674e+00 984 2014 11 1.28699e+00 2.18624e-01 919 2014 12 9.45046e-01 2.60334e-01 960 2015 1 9.78176e-01 1.35466e-01 683 2015 2 6.71095e-01 9.86386e-02 512 2015 3 4.70318e-01 5.90064e-02 621 2015 4 9.82070e-01 7.31034e-01 192 2015 5 8.01838e-01 3.51948e-01 259 2015 6 3.64811e-01 9.14729e-02 679 2015 7 7.79987e-01 1.59480e-01 161 2015 8 2.76978e-01 4.07740e-02 479 2015 9 8.76386e-01 4.13334e-01 473 2015 10 1.97149e+00 1.04109e+00 244 2015 11 1.26500e+00 4.57156e-01 645 2015 12 1.42127e+00 3.79003e-01 721 2016 1 1.19525e+00 1.08557e-01 884 2016 2 8.33947e-01 1.71828e-01 1188 2016 3 6.82440e-01 1.96570e-01 516 2016 4 4.09788e-01 1.32411e-01 700 2016 5 6.00430e-01 3.18439e-01 628 2016 6 4.49639e-01 2.20862e-01 456 2016 7 2.83789e-01 5.88400e-02 431 2016 8 2.82586e-01 5.50465e-02 800 2016 9 1.13856e+00 9.16294e-01 670 2016 10 1.59004e+00 4.27311e-01 935 2016 11 1.50655e+00 4.30088e-01 570 2016 12 1.33677e+00 4.17454e-01 575 2017 1 8.94554e-01 1.33362e-01 671 2017 2 9.38751e-01 1.46544e-01 615 2017 3 7.37667e-01 3.18381e-01 579 2017 4 3.55123e-01 2.85034e-02 217 2017 5 1.21346e+00 1.23695e+00 259 2017 6 2.73156e-01 3.85412e-02 896 2017 7 2.90661e-01 4.94111e-02 375 2017 8 3.20856e-01 5.51645e-02 500 2017 9 1.38289e+00 1.57261e+00 480 2017 10 2.11254e+00 1.35645e+00 764 2017 11 1.34196e+00 3.52048e-01 628 2017 12 1.34377e+00 3.90421e-01 753 2018 1 1.11724e+00 2.46207e-01 669 2018 2 1.00008e+00 1.01400e-01 576 2018 3 1.22354e+00 4.94783e-01 717 2018 4 1.02536e+00 5.31054e-01 280 2018 5 8.36449e-01 7.46949e-01 395 2018 6 9.82848e-01 6.99721e-01 677 2018 7 4.87612e-01 2.02263e-01 674 2018 8 7.00768e-01 3.30506e-01 799 2018 9 6.92485e-01 2.42991e-01 807 2018 10 1.05627e+00 8.64855e-01 240 2018 11 1.09886e+00 1.07909e-01 319 2018 12 1.62107e+00 7.75774e-01 584 2019 1 1.20283e+00 2.44516e-01 384 2019 2 8.94629e-01 1.46211e-01 643 2019 3 8.19862e-01 1.34959e-01 772 2019 4 1.06812e+00 2.93168e-01 632 2019 5 1.10377e+00 7.62874e-01 609 2019 6 3.51310e-01 1.01694e-01 965 2019 7 3.59371e-01 6.52751e-02 815 2019 8 3.33438e-01 8.75343e-02 739 2019 9 7.01567e-01 3.48835e-01 1131 2019 10 1.39596e+00 7.86250e-01 727 2019 11 1.68064e+00 5.03465e-01 650 2019 12 1.66371e+00 4.16545e-01 575 2020 1 1.03354e+00 1.81709e-01 722 2020 2 1.12766e+00 1.89733e-01 670 2020 3 6.90926e-01 1.61489e-01 761 2020 4 4.01296e-01 9.73864e-02 321 2020 5 4.31994e-01 1.86217e-01 378 2020 6 3.84278e-01 1.67339e-01 752 2020 7 3.72590e-01 1.15867e-01 643 2020 8 6.04645e-01 1.76345e-01 495 2020 9 1.28922e+00 8.90370e-01 807 2020 10 1.44805e+00 7.88216e-01 1405 2020 11 1.30400e+00 1.11284e-01 451 2020 12 1.77412e+00 3.91515e-01 472 2021 1 1.36822e+00 2.52480e-01 581 2021 2 9.52214e-01 1.48138e-01 831 2021 3 8.82961e-01 1.87942e-01 492 2021 4 5.31594e-01 4.71443e-02 320 2021 5 4.11238e-01 1.21383e-01 408 2021 6 3.79559e-01 1.11723e-01 691 2021 7 3.89940e-01 8.59064e-02 851 2021 8 3.87951e-01 1.20522e-01 683 2021 9 1.59715e+00 1.09495e+00 980 2021 10 1.47295e+00 4.72098e-01 1333 2021 11 1.59901e+00 3.01407e-01 777 2021 12 1.64920e+00 4.61667e-01 508 2022 1 1.11469e+00 2.31384e-01 619 2022 2 9.90193e-01 2.25612e-01 941 2022 3 1.02664e+00 3.55167e-01 309 2022 4 5.62795e-01 3.26466e-02 64 2022 5 5.96849e-01 2.56005e-01 384 2022 6 2.90566e-01 5.39278e-02 436 2022 7 2.63390e-01 5.57829e-02 315 2022 8 3.86217e-01 1.05887e-01 396 2022 9 1.79100e+00 2.88489e+00 829 2022 10 1.13786e+00 3.42150e-01 732 2022 11 1.44185e+00 3.94859e-01 350 2022 12 9.50147e-01 3.20795e-01 666 2023 1 9.19187e-01 4.60427e-01 321 2023 2 8.25815e-01 3.14927e-01 636 2023 3 4.37251e-01 1.24517e-01 852 2023 4 3.03164e-01 1.09114e-01 801 2023 5 3.09552e-01 7.86392e-02 448 2023 6 4.19200e-01 1.58040e-01 999 2023 7 3.20810e-01 1.88981e-01 808 2023 8 3.79715e-01 1.42781e-01 467 2023 9 9.05318e-01 7.12714e-01 870 2023 10 1.36409e+00 7.23814e-01 879 2023 11 1.57556e+00 4.24257e-01 523 2023 12 1.61654e+00 5.66017e-01 692 2024 1 1.31259e+00 3.03331e-01 1035 2024 2 6.92732e-01 1.80905e-01 960 2024 3 5.96966e-01 1.56638e-01 699 2024 4 3.84109e-01 4.34077e-02 128