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 7.51470e-01 4.36583e-01 727 2002 8 9.59113e-01 3.89121e-01 730 2002 9 1.30745e+00 5.03907e-01 774 2002 10 1.49586e+00 2.39660e-01 896 2002 11 1.41290e+00 2.08571e-01 730 2002 12 1.24188e+00 1.94640e-01 492 2003 1 1.11397e+00 2.73364e-01 744 2003 2 1.15058e+00 1.53524e-01 384 2003 3 8.45996e-01 1.78987e-01 441 2003 4 7.64775e-01 2.76741e-01 368 2003 5 7.47426e-01 2.90042e-01 279 2003 6 7.03164e-01 2.32451e-01 414 2003 7 1.09494e+00 5.49221e-01 354 2003 8 1.34619e+00 8.75219e-01 698 2003 9 2.09483e+00 1.39394e+00 822 2003 10 2.28831e+00 9.28653e-01 756 2003 11 1.72792e+00 4.93422e-01 800 2003 12 1.56888e+00 3.31968e-01 412 2004 1 3.45978e+00 1.38639e+00 548 2004 2 2.10848e+00 6.07154e-01 541 2004 3 1.14255e+00 3.71367e-01 790 2004 4 1.01333e+00 3.86874e-01 323 2004 5 5.10466e-01 9.27612e-02 448 2004 6 7.24818e-01 3.00218e-01 508 2004 7 8.76734e-01 4.67340e-01 232 2004 8 1.58566e+00 7.67381e-01 563 2004 9 1.91984e+00 5.72514e-01 588 2004 10 2.17966e+00 6.57926e-01 867 2004 11 1.45403e+00 3.96684e-01 480 2004 12 1.83783e+00 6.45223e-01 510 2005 1 1.50405e+00 1.68092e-01 576 2005 2 1.49416e+00 3.73983e-01 637 2005 3 8.17197e-01 2.08932e-01 639 2005 4 9.24328e-01 2.70245e-01 391 2005 5 5.05762e-01 5.70249e-02 192 2005 6 7.43073e-01 3.60295e-01 721 2005 7 6.65024e-01 2.68380e-01 241 2005 8 1.21082e+00 5.89862e-01 368 2005 9 2.23435e+00 1.24583e+00 868 2005 10 1.78125e+00 4.44065e-01 697 2005 11 1.49951e+00 2.12620e-01 525 2005 12 1.90974e+00 6.29194e-01 873 2006 1 1.49781e+00 2.61118e-01 490 2006 2 1.35038e+00 2.08694e-01 347 2006 3 1.01188e+00 1.96989e-01 609 2006 4 5.97781e-01 1.92226e-01 397 2006 5 5.53248e-01 1.67570e-01 409 2006 6 4.59074e-01 1.70473e-01 861 2006 7 1.17210e+00 5.13713e-01 259 2006 8 1.84555e+00 6.07165e-01 115 2006 9 2.09195e+00 7.89141e-01 975 2006 10 1.73344e+00 4.65634e-01 719 2006 11 1.81906e+00 6.76504e-01 875 2006 12 1.49728e+00 3.16522e-01 595 2007 1 1.29991e+00 2.88799e-01 702 2007 2 1.16087e+00 2.11986e-01 831 2007 3 1.34937e+00 1.97123e-01 461 2007 4 1.55456e+00 3.26346e-01 90 2007 5 1.14093e+00 5.42081e-01 188 2007 6 1.26696e+00 5.97944e-01 272 2007 7 5.70144e-01 2.70980e-01 92 2007 8 7.66092e-01 3.16387e-01 688 2007 9 2.37420e+00 1.28311e+00 910 2007 10 2.60235e+00 1.23212e+00 694 2007 11 3.09325e+00 4.10345e+00 832 2007 12 1.75541e+00 2.50513e-01 617 2008 1 1.70207e+00 4.73419e-01 375 2008 2 1.59773e+00 3.55394e-01 644 2008 3 8.75792e-01 1.73310e-01 765 2008 4 5.69764e-01 1.59686e-01 204 2008 5 1.98001e+00 7.87018e-01 143 2008 6 1.95348e+00 2.46356e+00 114 2008 7 nan nan 0 2008 8 1.44064e+00 5.92037e-01 124 2008 9 2.66143e+00 2.62156e+00 430 2008 10 1.84589e+00 9.14895e-01 734 2008 11 1.69017e+00 3.33476e-01 604 2008 12 1.42191e+00 2.68176e-01 1017 2009 1 1.51878e+00 4.04951e-01 640 2009 2 1.71999e+00 7.18526e-01 320 2009 3 1.23811e+00 2.28338e-01 315 2009 4 8.80830e-01 2.35213e-01 192 2009 5 1.33300e+00 4.73146e-01 299 2009 6 1.30557e+00 6.40562e-01 180 2009 7 nan nan 0 2009 8 7.93812e-01 3.25938e-01 175 2009 9 9.88892e-01 4.79899e-01 554 2009 10 1.76785e+00 3.55063e-01 512 2009 11 1.97061e+00 4.97938e-01 670 2009 12 1.78805e+00 3.78546e-01 939 2010 1 1.61894e+00 3.25837e-01 764 2010 2 1.12502e+00 2.71708e-01 382 2010 3 9.82842e-01 3.69669e-01 550 2010 4 7.79777e-01 2.86342e-01 109 2010 5 6.17685e-01 3.00093e-01 314 2010 6 7.27073e-01 4.00420e-01 124 2010 7 7.85650e-01 6.00316e-01 399 2010 8 6.43688e-01 3.48283e-01 331 2010 9 1.61789e+00 1.96001e-01 419 2010 10 1.36241e+00 3.42715e-01 831 2010 11 1.28513e+00 2.11587e-01 1206 2010 12 1.43570e+00 2.04176e-01 768 2011 1 1.17097e+00 1.43385e-01 637 2011 2 1.27925e+00 2.44150e-01 389 2011 3 1.12147e+00 1.53732e-01 655 2011 4 1.05481e+00 1.07942e-01 250 2011 5 6.98235e-01 1.83216e-01 380 2011 6 4.82150e-01 1.04469e-01 207 2011 7 7.36430e-01 3.06685e-01 253 2011 8 7.01742e-01 2.87801e-01 318 2011 9 1.88808e+00 5.61138e-01 783 2011 10 1.83336e+00 4.57142e-01 909 2011 11 1.79786e+00 6.50193e-01 646 2011 12 1.39765e+00 2.51240e-01 865 2012 1 1.41281e+00 2.91764e-01 877 2012 2 1.62035e+00 5.74421e-01 656 2012 3 1.08115e+00 1.96968e-01 618 2012 4 1.36503e+00 4.43662e-01 243 2012 5 3.55588e-01 6.39603e-02 64 2012 6 9.41414e-01 3.40973e-01 325 2012 7 6.96221e-01 2.47924e-01 360 2012 8 6.21957e-01 4.58434e-01 311 2012 9 1.38519e+00 3.94975e-01 576 2012 10 1.40396e+00 3.57163e-01 483 2012 11 1.18156e+00 2.51788e-01 717 2012 12 1.21571e+00 2.17826e-01 456 2013 1 1.27522e+00 3.43180e-01 764 2013 2 1.12518e+00 1.97308e-01 774 2013 3 9.51691e-01 4.08347e-01 516 2013 4 6.21525e-01 2.18420e-01 204 2013 5 4.48024e-01 6.14823e-02 260 2013 6 6.82832e-01 2.87758e-01 369 2013 7 3.68808e-01 1.38584e-01 396 2013 8 7.41117e-01 2.42709e-01 534 2013 9 1.06731e+00 3.54689e-01 874 2013 10 1.27336e+00 1.99414e-01 887 2013 11 1.32839e+00 2.27864e-01 646 2013 12 1.39118e+00 3.34114e-01 966 2014 1 1.18114e+00 1.62872e-01 663 2014 2 1.12097e+00 1.54634e-01 584 2014 3 7.65168e-01 2.17887e-01 674 2014 4 6.30165e-01 2.46541e-01 524 2014 5 8.21165e-01 4.35327e-01 292 2014 6 8.91503e-01 3.64797e-01 663 2014 7 1.30535e+00 9.34647e-01 565 2014 8 7.26754e-01 3.74116e-01 375 2014 9 1.49665e+00 5.97514e-01 999 2014 10 1.65282e+00 1.84441e-01 968 2014 11 1.69269e+00 4.59405e-01 876 2014 12 1.38429e+00 1.31524e-01 1015 2015 1 1.21611e+00 2.32592e-01 820 2015 2 1.18167e+00 2.85611e-01 434 2015 3 9.28972e-01 1.22105e-01 513 2015 4 1.04690e+00 3.00872e-01 411 2015 5 9.45825e-01 2.38025e-01 204 2015 6 7.19549e-01 2.76622e-01 487 2015 7 7.98033e-01 1.72755e-01 131 2015 8 5.07174e-01 1.69606e-01 636 2015 9 1.86990e+00 3.09721e-01 693 2015 10 1.72568e+00 3.59197e-01 669 2015 11 1.77552e+00 6.22787e-01 852 2015 12 1.44574e+00 2.33801e-01 896 2016 1 1.56712e+00 1.96939e-01 829 2016 2 1.37820e+00 3.16115e-01 1066 2016 3 8.45999e-01 1.68643e-01 574 2016 4 6.57495e-01 1.77315e-01 651 2016 5 1.34269e+00 1.19973e+00 539 2016 6 9.28849e-01 5.10086e-01 393 2016 7 4.38401e-01 1.46212e-01 489 2016 8 6.51576e-01 3.31811e-01 766 2016 9 1.53112e+00 4.40426e-01 783 2016 10 1.45584e+00 3.09599e-01 1094 2016 11 1.48195e+00 3.54300e-01 690 2016 12 1.48919e+00 4.56207e-01 700 2017 1 1.43043e+00 2.58972e-01 574 2017 2 1.14020e+00 2.62060e-01 444 2017 3 8.84695e-01 2.02007e-01 752 2017 4 1.06921e+00 4.83856e-01 184 2017 5 4.29425e-01 1.51211e-01 222 2017 6 5.50895e-01 1.69245e-01 776 2017 7 5.17858e-01 1.98458e-01 454 2017 8 1.30045e+00 5.49390e-01 556 2017 9 2.00625e+00 3.78675e-01 513 2017 10 1.45415e+00 4.12153e-01 885 2017 11 1.43843e+00 1.85924e-01 799 2017 12 1.25700e+00 2.31908e-01 835 2018 1 1.25244e+00 1.39828e-01 788 2018 2 1.13791e+00 1.07086e-01 360 2018 3 1.03451e+00 2.76595e-01 931 2018 4 9.79781e-01 1.79275e-01 278 2018 5 4.66552e-01 1.35324e-01 359 2018 6 7.09686e-01 2.78033e-01 509 2018 7 5.61533e-01 1.27250e-01 368 2018 8 1.00233e+00 3.58006e-01 601 2018 9 1.42374e+00 2.80391e-01 602 2018 10 1.58681e+00 1.29908e-01 296 2018 11 1.48337e+00 1.91683e-01 478 2018 12 1.28236e+00 1.44804e-01 696 2019 1 1.33636e+00 2.04745e-01 384 2019 2 1.01730e+00 1.42703e-01 694 2019 3 6.92190e-01 1.11292e-01 898 2019 4 8.88039e-01 2.89615e-01 656 2019 5 8.05919e-01 2.89024e-01 616 2019 6 5.64949e-01 1.79520e-01 966 2019 7 6.24435e-01 1.21589e-01 623 2019 8 9.36672e-01 8.64650e-01 835 2019 9 1.59582e+00 6.11184e-01 1093 2019 10 1.86259e+00 7.47133e-01 640 2019 11 1.57467e+00 3.32911e-01 597 2019 12 1.44390e+00 2.62731e-01 595 2020 1 1.34967e+00 2.88678e-01 763 2020 2 1.44419e+00 3.60063e-01 775 2020 3 1.06845e+00 3.51038e-01 563 2020 4 8.64751e-01 3.20006e-01 350 2020 5 9.65079e-01 2.93359e-01 470 2020 6 5.92165e-01 1.29993e-01 801 2020 7 5.77849e-01 2.35535e-01 566 2020 8 1.87424e+00 5.08915e-01 182 2020 9 1.48693e+00 3.14625e-01 757 2020 10 1.67358e+00 5.71914e-01 1388 2020 11 1.37077e+00 2.52903e-01 613 2020 12 2.44185e+00 6.03294e-01 813 2021 1 1.74413e+00 3.49843e-01 1082 2021 2 1.47686e+00 3.25889e-01 836 2021 3 1.35753e+00 1.59713e-01 480 2021 4 8.26686e-01 2.02837e-01 368 2021 5 4.44328e-01 1.46240e-01 619 2021 6 7.08889e-01 2.95167e-01 702 2021 7 5.72043e-01 2.54556e-01 647 2021 8 1.34717e+00 6.76583e-01 680 2021 9 1.49294e+00 3.05918e-01 971 2021 10 1.43102e+00 3.16930e-01 1239 2021 11 1.74572e+00 3.37985e-01 735 2021 12 1.53539e+00 5.38500e-01 471 2022 1 1.24701e+00 2.45644e-01 711 2022 2 1.00188e+00 1.89288e-01 815 2022 3 1.18478e+00 3.82640e-01 388 2022 4 5.27153e-01 5.60600e-02 103 2022 5 4.55740e-01 1.04763e-01 244 2022 6 3.46792e-01 5.81430e-02 409 2022 7 5.11830e-01 1.99344e-01 302 2022 8 1.21733e+00 3.34201e-01 548 2022 9 1.49009e+00 2.57426e-01 1007 2022 10 1.34453e+00 2.47703e-01 745 2022 11 1.14999e+00 1.50253e-01 449 2022 12 1.34554e+00 2.23038e-01 729 2023 1 1.12293e+00 1.14779e-01 384 2023 2 1.37187e+00 3.99220e-01 514 2023 3 7.31270e-01 1.72532e-01 970 2023 4 7.45543e-01 1.48252e-01 723 2023 5 6.16293e-01 1.46706e-01 392 2023 6 5.61472e-01 1.48577e-01 896 2023 7 6.70130e-01 2.11935e-01 875 2023 8 8.99065e-01 2.59918e-01 341 2023 9 1.51243e+00 3.01071e-01 885 2023 10 1.53244e+00 2.38585e-01 896 2023 11 1.55830e+00 2.39930e-01 522 2023 12 1.68686e+00 2.41503e-01 850 2024 1 1.19338e+00 1.45111e-01 799 2024 2 1.11381e+00 1.31351e-01 1148 2024 3 1.12242e+00 1.62392e-01 810 2024 4 6.92867e-01 1.13714e-01 190