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 3.38726e+00 2.27087e-01 64 2002 8 3.93197e+00 5.66052e-01 547 2002 9 2.73093e+00 8.06036e-01 512 2002 10 3.27839e+00 8.78433e-01 972 2002 11 2.32849e+00 8.24782e-01 741 2002 12 2.37393e+00 6.56384e-01 768 2003 1 2.23909e+00 6.17538e-01 901 2003 2 2.87752e+00 8.44388e-01 549 2003 3 3.76288e+00 3.55757e-01 190 2003 4 3.80224e+00 6.36810e-01 762 2003 5 4.09795e+00 5.41994e-01 451 2003 6 3.82106e+00 5.59654e-01 279 2003 7 3.42366e+00 1.35631e+00 322 2003 8 3.94339e+00 1.42365e+00 252 2003 9 3.44016e+00 6.20003e-01 576 2003 10 2.94763e+00 8.36777e-01 640 2003 11 2.79384e+00 9.59844e-01 1042 2003 12 1.60055e+00 3.86675e-01 577 2004 1 2.34880e+00 6.50979e-01 863 2004 2 2.77580e+00 7.21102e-01 448 2004 3 3.58770e+00 7.33264e-01 802 2004 4 4.34667e+00 3.89059e-01 512 2004 5 4.46710e+00 4.41637e-01 514 2004 6 4.40934e+00 9.23810e-01 496 2004 7 3.28990e+00 7.70118e-01 447 2004 8 3.24525e+00 8.38238e-01 346 2004 9 2.25895e+00 8.18883e-01 256 2004 10 2.28184e+00 7.03043e-01 959 2004 11 2.19432e+00 6.51193e-01 788 2004 12 1.57653e+00 5.86475e-01 393 2005 1 2.17101e+00 8.53589e-01 704 2005 2 1.97825e+00 4.56909e-01 704 2005 3 2.00149e+00 5.07973e-01 441 2005 4 3.27377e+00 5.98854e-01 639 2005 5 3.92212e+00 6.42270e-01 640 2005 6 3.62193e+00 8.79969e-01 292 2005 7 2.98058e+00 1.14736e+00 512 2005 8 3.31710e+00 1.43250e+00 548 2005 9 2.21726e+00 6.38865e-01 449 2005 10 2.12418e+00 5.58256e-01 680 2005 11 2.09974e+00 5.79845e-01 900 2005 12 1.68438e+00 5.31847e-01 824 2006 1 1.67503e+00 6.14862e-01 466 2006 2 2.01445e+00 7.65877e-01 768 2006 3 3.75101e+00 8.39669e-01 960 2006 4 4.47561e+00 8.87610e-01 660 2006 5 4.36058e+00 8.99155e-01 557 2006 6 3.71202e+00 7.45917e-01 508 2006 7 4.23135e+00 4.01179e-01 277 2006 8 3.45215e+00 8.98383e-01 379 2006 9 2.26732e+00 7.08006e-01 645 2006 10 1.96555e+00 3.41191e-01 1100 2006 11 2.15926e+00 8.05704e-01 744 2006 12 2.42612e+00 8.74651e-01 440 2007 1 3.10842e+00 7.25769e-01 488 2007 2 3.97008e+00 5.66913e-01 454 2007 3 4.12394e+00 9.67909e-01 960 2007 4 4.32752e+00 6.05104e-01 688 2007 5 4.38362e+00 5.56029e-01 505 2007 6 4.22142e+00 5.75014e-01 336 2007 7 3.75841e+00 3.52145e-01 429 2007 8 3.45155e+00 3.81170e-01 578 2007 9 3.27637e+00 6.16748e-01 787 2007 10 3.18143e+00 6.67568e-01 763 2007 11 3.28763e+00 5.01869e-01 1024 2007 12 3.26496e+00 8.69405e-01 1116 2008 1 2.19325e+00 1.21268e+00 576 2008 2 3.61776e+00 1.21774e+00 720 2008 3 3.14573e+00 9.47489e-01 350 2008 4 4.27946e+00 6.29751e-01 766 2008 5 3.89341e+00 4.67486e-01 567 2008 6 3.78102e+00 4.10986e-01 614 2008 7 3.71581e+00 2.75516e-01 289 2008 8 3.61920e+00 9.47761e-01 372 2008 9 3.17817e+00 6.66667e-01 609 2008 10 3.03102e+00 8.52122e-01 986 2008 11 2.70885e+00 6.70135e-01 1216 2008 12 2.61463e+00 9.63644e-01 989 2009 1 2.46505e+00 9.99304e-01 840 2009 2 2.66546e+00 9.65906e-01 640 2009 3 3.86837e+00 5.32238e-01 916 2009 4 3.82687e+00 1.18000e+00 512 2009 5 4.69065e+00 5.14573e-01 491 2009 6 4.28767e+00 8.71467e-01 443 2009 7 3.29472e+00 4.46381e-01 272 2009 8 3.87696e+00 4.20660e-01 522 2009 9 3.40813e+00 7.02028e-01 703 2009 10 2.98609e+00 7.34442e-01 1011 2009 11 2.51691e+00 4.81772e-01 640 2009 12 1.95227e+00 9.93145e-01 204 2010 1 2.22033e+00 6.80550e-01 636 2010 2 2.20566e+00 5.82747e-01 273 2010 3 2.07896e+00 6.16280e-01 709 2010 4 3.93772e+00 6.10599e-01 832 2010 5 4.45920e+00 5.63231e-01 586 2010 6 4.43271e+00 5.61290e-01 559 2010 7 4.03005e+00 3.50896e-01 128 2010 8 3.22671e+00 4.79467e-01 406 2010 9 3.44729e+00 6.37422e-01 767 2010 10 3.82610e+00 7.17079e-01 1472 2010 11 3.06790e+00 9.11949e-01 1218 2010 12 1.52602e+00 5.90332e-01 791 2011 1 2.77758e+00 1.12935e+00 652 2011 2 4.26095e+00 7.29735e-01 828 2011 3 4.49364e+00 6.28204e-01 1090 2011 4 4.49811e+00 8.52335e-01 896 2011 5 4.48630e+00 5.11869e-01 824 2011 6 4.26829e+00 4.21447e-01 512 2011 7 3.70766e+00 3.16826e-01 320 2011 8 3.58414e+00 6.81356e-01 262 2011 9 3.06498e+00 2.40959e-01 194 2011 10 2.87045e+00 5.99915e-01 741 2011 11 2.87012e+00 9.00114e-01 1024 2011 12 3.27281e+00 9.01049e-01 1216 2012 1 3.18914e+00 8.10352e-01 853 2012 2 3.94035e+00 1.07211e+00 595 2012 3 4.60031e+00 7.30746e-01 1180 2012 4 4.31871e+00 4.60106e-01 698 2012 5 4.62415e+00 3.91701e-01 406 2012 6 4.05319e+00 5.40033e-01 178 2012 7 3.08952e+00 3.37607e-01 349 2012 8 2.90404e+00 5.59393e-01 314 2012 9 2.87083e+00 3.77410e-01 436 2012 10 3.21008e+00 8.32500e-01 614 2012 11 2.15554e+00 4.54146e-01 837 2012 12 2.13058e+00 8.17455e-01 674 2013 1 2.50967e+00 6.79942e-01 1020 2013 2 2.75749e+00 9.50371e-01 849 2013 3 2.93368e+00 8.43400e-01 576 2013 4 3.94407e+00 5.54532e-01 575 2013 5 4.22172e+00 7.19284e-01 760 2013 6 3.80313e+00 5.73906e-01 407 2013 7 2.97530e+00 6.75440e-01 320 2013 8 4.04284e+00 1.18001e+00 520 2013 9 3.61854e+00 8.22891e-01 956 2013 10 3.30800e+00 8.01689e-01 943 2013 11 2.94286e+00 6.25820e-01 352 2013 12 2.95222e+00 3.16318e-01 582 2014 1 2.09284e+00 7.61647e-01 595 2014 2 2.81372e+00 8.13077e-01 882 2014 3 3.07505e+00 8.12176e-01 640 2014 4 4.08191e+00 4.01374e-01 619 2014 5 4.14066e+00 4.47645e-01 704 2014 6 4.14968e+00 4.56662e-01 638 2014 7 4.05769e+00 7.34017e-01 449 2014 8 3.20543e+00 4.85453e-01 631 2014 9 3.26491e+00 3.65399e-01 208 2014 10 2.78921e+00 5.41153e-01 1124 2014 11 2.17084e+00 8.17943e-01 1016 2014 12 2.67569e+00 5.78642e-01 733 2015 1 2.42453e+00 9.04846e-01 680 2015 2 2.64086e+00 9.44713e-01 678 2015 3 4.16636e+00 6.76914e-01 1088 2015 4 4.46775e+00 1.33869e+00 549 2015 5 4.15564e+00 5.56723e-01 768 2015 6 4.56554e+00 5.86924e-01 469 2015 7 2.75359e+00 4.07298e-01 285 2015 8 3.32974e+00 6.26105e-01 456 2015 9 3.03097e+00 7.28269e-01 521 2015 10 3.05069e+00 5.85189e-01 723 2015 11 2.56688e+00 5.83937e-01 981 2015 12 2.78922e+00 7.85653e-01 530 2016 1 1.67767e+00 5.43826e-01 405 2016 2 2.55814e+00 7.45346e-01 725 2016 3 2.62632e+00 5.16191e-01 511 2016 4 3.71994e+00 4.93801e-01 539 2016 5 4.37522e+00 4.60287e-01 896 2016 6 4.03185e+00 5.59034e-01 390 2016 7 3.50391e+00 5.12834e-01 377 2016 8 3.46934e+00 5.04372e-01 594 2016 9 3.21346e+00 7.00421e-01 851 2016 10 2.95312e+00 7.60887e-01 963 2016 11 3.46593e+00 5.66029e-01 931 2016 12 3.15583e+00 7.05538e-01 1028 2017 1 3.24077e+00 9.35466e-01 728 2017 2 2.99812e+00 9.19468e-01 1115 2017 3 3.91848e+00 7.15842e-01 992 2017 4 3.97090e+00 7.52771e-01 724 2017 5 4.01898e+00 6.73991e-01 558 2017 6 3.72150e+00 6.98531e-01 384 2017 7 3.22211e+00 5.58689e-01 276 2017 8 2.87765e+00 5.89675e-01 642 2017 9 2.97295e+00 5.54676e-01 868 2017 10 2.30840e+00 7.80860e-01 672 2017 11 2.97775e+00 5.97651e-01 871 2017 12 2.96096e+00 9.10568e-01 1037 2018 1 1.93972e+00 7.04964e-01 766 2018 2 3.49614e+00 3.88920e-01 704 2018 3 2.95444e+00 1.16474e+00 1069 2018 4 4.11578e+00 5.74350e-01 957 2018 5 4.74121e+00 5.17622e-01 448 2018 6 4.47473e+00 6.09962e-01 320 2018 7 3.73600e+00 5.07758e-01 470 2018 8 2.79625e+00 6.99304e-01 713 2018 9 2.60556e+00 1.21697e+00 681 2018 10 2.04087e+00 6.25605e-01 1133 2018 11 1.51029e+00 9.29373e-01 497 2018 12 2.41249e+00 7.84413e-01 668 2019 1 2.16397e+00 8.64891e-01 659 2019 2 3.18816e+00 9.29059e-01 832 2019 3 3.77791e+00 1.02464e+00 878 2019 4 3.58407e+00 9.97847e-01 444 2019 5 4.64130e+00 5.90673e-01 843 2019 6 4.22370e+00 5.20241e-01 444 2019 7 3.63334e+00 5.51928e-01 542 2019 8 3.31814e+00 1.28931e+00 336 2019 9 3.42693e+00 6.63436e-01 773 2019 10 3.91396e+00 5.33527e-01 777 2019 11 2.93783e+00 5.35453e-01 477 2019 12 2.41062e+00 1.00185e+00 192 2020 1 2.59717e+00 8.42698e-01 768 2020 2 2.75284e+00 9.56112e-01 515 2020 3 4.21339e+00 9.58750e-01 711 2020 4 4.01199e+00 1.08705e+00 443 2020 5 4.51416e+00 4.10066e-01 762 2020 6 4.26001e+00 4.90601e-01 448 2020 7 4.06086e+00 2.92156e-01 128 2020 8 3.17438e+00 4.92995e-01 310 2020 9 2.90101e+00 6.74611e-01 356 2020 10 2.50940e+00 2.54718e-01 585 2020 11 2.30749e+00 6.90218e-01 773 2020 12 2.25760e+00 5.66105e-01 768 2021 1 2.44769e+00 9.47538e-01 512 2021 2 3.15381e+00 6.53761e-01 514 2021 3 3.81407e+00 8.37955e-01 832 2021 4 4.04403e+00 4.74473e-01 750 2021 5 3.92719e+00 6.55540e-01 746 2021 6 4.31537e+00 7.15068e-01 251 2021 7 3.20891e+00 6.81914e-01 413 2021 8 3.11190e+00 7.89421e-01 510 2021 9 2.31292e+00 5.62723e-01 611 2021 10 2.45363e+00 8.39743e-01 1158 2021 11 2.22526e+00 6.37453e-01 882 2021 12 2.60602e+00 3.98811e-01 891 2022 1 2.06940e+00 6.76817e-01 639 2022 2 2.86950e+00 9.83780e-01 1149 2022 3 3.61315e+00 7.84364e-01 798 2022 4 3.90306e+00 7.02216e-01 320 2022 5 4.27293e+00 5.77148e-01 593 2022 6 4.66861e+00 6.53495e-01 301 2022 7 3.78854e+00 3.43008e-01 469 2022 8 3.39265e+00 3.45535e-01 269 2022 9 3.31155e+00 9.39511e-01 514 2022 10 2.67286e+00 7.91864e-01 1008 2022 11 2.45635e+00 4.26236e-01 646 2022 12 2.09701e+00 6.25116e-01 650 2023 1 2.87712e+00 6.76822e-01 951 2023 2 3.13886e+00 7.64482e-01 960 2023 3 3.30837e+00 9.29444e-01 896 2023 4 4.02496e+00 1.15342e+00 431 2023 5 3.86558e+00 9.66057e-01 504 2023 6 3.53610e+00 4.13565e-01 496 2023 7 3.59401e+00 4.65295e-01 404 2023 8 3.69110e+00 2.85795e-01 314 2023 9 2.82297e+00 8.38540e-01 792 2023 10 2.56325e+00 6.05189e-01 621 2023 11 2.70964e+00 8.81589e-01 693 2023 12 2.07356e+00 7.57674e-01 328 2024 1 1.48364e+00 5.95743e-01 493 2024 2 2.83734e+00 8.07966e-01 704 2024 3 3.61616e+00 7.15120e-01 457 2024 4 nan nan 0