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 2.70889e+00 3.09039e+00 393 2002 8 2.46593e+00 7.12339e-01 611 2002 9 1.54643e+00 2.12501e-01 707 2002 10 1.17332e+00 2.68566e-01 322 2002 11 1.43381e+00 2.31630e-01 128 2002 12 4.66269e-01 5.64907e-02 64 2003 1 2.85202e-01 8.70937e-03 37 2003 2 6.94177e-01 1.59645e-01 192 2003 3 1.00056e+00 1.50536e-01 322 2003 4 1.30322e+00 2.41173e-01 481 2003 5 1.17466e+00 1.70230e-01 225 2003 6 1.16953e+00 2.72729e-01 342 2003 7 9.65861e-01 2.32765e-01 775 2003 8 2.00292e+00 1.43060e+00 902 2003 9 2.30094e+00 6.34171e-01 712 2003 10 1.62864e+00 9.17502e-01 554 2003 11 9.47249e-01 2.48513e-01 448 2003 12 1.00365e+00 4.80073e-01 338 2004 1 9.21851e-01 6.22610e-02 46 2004 2 6.28243e-01 1.44883e-01 435 2004 3 8.73849e-01 2.56438e-01 389 2004 4 1.25194e+00 2.31439e-01 520 2004 5 2.01766e+00 2.34301e+00 536 2004 6 5.55974e+00 4.74290e+00 501 2004 7 9.99568e-01 1.50580e-01 460 2004 8 2.45099e+00 8.27581e-01 552 2004 9 1.69589e+00 2.57368e-01 902 2004 10 1.87549e+00 2.25434e-01 329 2004 11 9.83733e-01 1.70449e-01 350 2004 12 5.57610e-01 5.30124e-02 72 2005 1 4.36837e-01 7.66838e-02 154 2005 2 5.65601e-01 6.00891e-02 180 2005 3 9.16214e-01 1.59396e-01 393 2005 4 1.10558e+00 2.80522e-01 768 2005 5 1.25403e+00 7.75552e-01 703 2005 6 1.79345e+00 1.53641e+00 565 2005 7 1.58850e+00 5.92782e-01 674 2005 8 3.33610e+00 1.23027e+00 680 2005 9 1.93349e+00 4.90524e-01 999 2005 10 1.36102e+00 2.94152e-01 359 2005 11 1.18475e+00 4.49928e-01 255 2005 12 3.69616e-01 2.48757e-02 2 2006 1 8.40783e-01 1.60971e-01 312 2006 2 1.60524e+00 4.83843e-01 135 2006 3 1.21624e+00 2.08078e-01 650 2006 4 1.23323e+00 3.40670e-01 967 2006 5 1.32535e+00 9.49325e-01 443 2006 6 1.97150e+00 8.74280e-01 460 2006 7 2.43915e+00 1.48595e+00 458 2006 8 2.16902e+00 5.94101e-01 1009 2006 9 1.96341e+00 6.87639e-01 319 2006 10 1.61930e+00 6.82842e-01 383 2006 11 1.58243e+00 5.74696e-01 181 2006 12 7.67258e-01 2.10355e-01 216 2007 1 4.88926e+00 1.30913e+00 4 2007 2 6.30902e-01 1.88799e-01 224 2007 3 9.76441e-01 1.12847e-01 384 2007 4 1.40302e+00 2.88182e-01 450 2007 5 1.70707e+00 1.06865e+00 651 2007 6 2.19516e+00 1.87566e+00 697 2007 7 1.55322e+00 6.77859e-01 615 2007 8 2.15611e+00 6.65473e-01 741 2007 9 1.64536e+00 3.16368e-01 930 2007 10 1.81187e+00 7.36955e-01 345 2007 11 1.38669e+00 4.10134e-01 209 2007 12 7.74032e-01 5.28751e-01 126 2008 1 5.11663e-01 5.56023e-02 65 2008 2 8.61871e-01 1.89711e-01 89 2008 3 9.88212e-01 1.69203e-01 408 2008 4 1.36162e+00 3.95451e-01 815 2008 5 1.29506e+00 5.26513e-01 396 2008 6 1.99833e+00 1.80004e+00 403 2008 7 1.54199e+00 6.71080e-01 555 2008 8 2.19413e+00 2.57397e-01 625 2008 9 1.70347e+00 2.41010e-01 786 2008 10 1.85622e+00 6.39402e-01 547 2008 11 9.01482e-01 2.98636e-01 368 2008 12 5.12121e-01 2.73632e-02 14 2009 1 5.22490e-01 1.29096e-01 183 2009 2 7.30152e-01 1.59389e-01 431 2009 3 1.15340e+00 1.62444e-01 870 2009 4 1.34659e+00 3.91414e-01 673 2009 5 1.17126e+00 4.02585e-01 601 2009 6 2.54371e+00 6.57836e-01 385 2009 7 1.95586e+00 8.78507e-01 293 2009 8 7.24152e+00 1.25323e+01 776 2009 9 2.10884e+00 5.76745e-01 557 2009 10 1.33922e+00 2.65689e-01 317 2009 11 1.07900e+00 2.85706e-01 280 2009 12 1.22537e+00 1.53094e-01 16 2010 1 6.39248e-01 1.56550e-01 147 2010 2 6.99688e-01 8.55934e-02 133 2010 3 1.68489e+00 1.34533e+00 666 2010 4 1.10141e+00 6.60071e-01 691 2010 5 3.46995e+00 1.78720e+00 629 2010 6 3.17081e+00 2.69242e+00 586 2010 7 1.48200e+00 7.42713e-01 1037 2010 8 1.73113e+00 3.67209e-01 685 2010 9 1.34505e+00 3.05742e-01 558 2010 10 1.96558e+00 4.77001e-01 573 2010 11 1.51003e+00 9.36726e-01 448 2010 12 nan nan 0 2011 1 nan nan 0 2011 2 8.09082e-01 1.37163e-01 271 2011 3 1.02364e+00 3.87193e-01 742 2011 4 1.37321e+00 3.86963e-01 320 2011 5 1.08983e+00 3.03042e-01 339 2011 6 2.15304e+00 1.03485e+00 467 2011 7 1.73326e+00 1.41813e+00 866 2011 8 1.86744e+00 7.75040e-01 620 2011 9 1.96399e+00 1.85720e-01 700 2011 10 1.90790e+00 8.24474e-01 459 2011 11 9.33232e-01 3.79080e-01 336 2011 12 3.98864e-01 3.64672e-02 70 2012 1 5.28089e-01 1.47866e-01 134 2012 2 7.74922e-01 1.56637e-01 205 2012 3 1.28515e+00 8.89303e-01 415 2012 4 1.35208e+00 5.14518e-01 509 2012 5 3.68975e+00 2.06455e+00 528 2012 6 1.79398e+00 5.76207e-01 788 2012 7 1.46749e+00 6.82619e-01 874 2012 8 1.77657e+00 2.20291e-01 1114 2012 9 1.56153e+00 1.93807e-01 770 2012 10 1.11537e+00 1.98677e-01 279 2012 11 8.31727e-01 2.10467e-01 299 2012 12 5.08312e-01 2.47517e-01 169 2013 1 3.42459e-01 6.02117e-02 97 2013 2 8.65213e-01 1.73102e-01 157 2013 3 1.01003e+00 4.86159e-01 460 2013 4 1.36225e+00 3.45093e-01 531 2013 5 1.53677e+00 1.32877e+00 711 2013 6 2.49189e+00 2.72703e+00 555 2013 7 1.61215e+00 4.36476e-01 584 2013 8 1.98283e+00 4.98571e-01 875 2013 9 1.47631e+00 1.13909e-01 686 2013 10 1.30027e+00 1.93085e-01 506 2013 11 5.42363e-01 5.85598e-02 128 2013 12 nan nan 0 2014 1 7.36474e-01 2.28693e-01 32 2014 2 7.29195e-01 1.01841e-01 192 2014 3 8.89399e-01 2.09586e-01 231 2014 4 2.28534e+00 1.22093e+00 516 2014 5 1.19010e+00 5.44911e-01 371 2014 6 1.45740e+00 4.73907e-01 388 2014 7 1.55970e+00 7.84902e-01 497 2014 8 1.42868e+00 4.55743e-01 697 2014 9 2.44500e+00 7.26811e-01 994 2014 10 2.14824e+00 2.76023e+00 445 2014 11 1.09709e+00 6.02908e-01 185 2014 12 1.93440e+00 5.83621e-01 71 2015 1 6.50892e-01 1.71578e-01 349 2015 2 nan nan 0 2015 3 7.38594e-01 2.18718e-01 539 2015 4 1.57171e+00 1.38346e+00 725 2015 5 1.02498e+00 3.60525e-01 588 2015 6 1.54522e+00 4.65871e-01 489 2015 7 1.17263e+00 4.51283e-01 800 2015 8 1.42422e+00 9.04218e-01 915 2015 9 4.59603e+00 2.15962e+00 766 2015 10 1.70347e+00 3.54758e-01 591 2015 11 1.09753e+00 3.26132e-01 614 2015 12 7.02269e-01 1.66332e-01 166 2016 1 6.93704e-01 1.25385e-01 163 2016 2 7.18393e-01 1.70836e-01 185 2016 3 9.34147e-01 2.47783e-01 278 2016 4 1.08250e+00 6.02149e-01 676 2016 5 1.70697e+00 6.71685e-01 538 2016 6 2.01985e+00 8.58869e-01 501 2016 7 2.00732e+00 1.60408e+00 698 2016 8 1.63955e+00 4.67750e-01 1055 2016 9 1.55799e+00 2.66918e-01 934 2016 10 1.68553e+00 2.07795e-01 538 2016 11 1.09948e+00 4.96958e-01 423 2016 12 7.44799e-01 2.34505e-01 83 2017 1 4.25460e-01 7.44789e-02 49 2017 2 7.62219e-01 2.28320e-01 232 2017 3 8.11862e-01 1.21601e-01 446 2017 4 8.87517e-01 2.21838e-01 316 2017 5 2.17708e+00 7.00560e-01 257 2017 6 1.88142e+00 6.51813e-01 487 2017 7 1.63662e+00 3.94305e-01 545 2017 8 2.51127e+00 7.87574e-01 744 2017 9 1.94606e+00 9.70197e-01 598 2017 10 1.57992e+00 4.54366e-01 448 2017 11 1.03154e+00 3.84347e-01 325 2017 12 6.10621e-01 2.59367e-01 112 2018 1 5.03644e-01 4.41214e-02 56 2018 2 9.04023e-01 2.29042e-01 256 2018 3 1.49766e+00 3.92097e-01 598 2018 4 1.19923e+00 5.02855e-01 442 2018 5 9.12184e-01 3.09141e-01 520 2018 6 4.36879e+00 5.42889e+00 422 2018 7 1.28522e+00 2.70256e-01 1016 2018 8 1.66516e+00 2.72325e-01 548 2018 9 1.43218e+00 2.17673e-01 796 2018 10 1.16565e+00 1.84237e-01 222 2018 11 8.56999e-01 5.81544e-02 64 2018 12 7.54488e-01 1.04711e-01 69 2019 1 6.38956e-01 6.03793e-02 64 2019 2 1.23233e+00 1.98919e-01 99 2019 3 1.10171e+00 2.44939e-01 408 2019 4 1.33975e+00 3.10091e-01 379 2019 5 8.94473e-01 1.89768e-01 192 2019 6 1.55438e+00 5.89195e-01 677 2019 7 1.35718e+00 6.14099e-01 519 2019 8 1.85712e+00 6.65871e-01 832 2019 9 1.84574e+00 2.35299e-01 663 2019 10 1.49502e+00 2.29742e-01 467 2019 11 9.66773e-01 4.14182e-02 64 2019 12 5.92399e-01 5.11906e-02 64 2020 1 6.43534e-01 3.65674e-02 64 2020 2 7.88983e-01 5.74522e-02 220 2020 3 1.31642e+00 3.68827e-01 496 2020 4 1.07751e+00 3.40871e-01 640 2020 5 3.20430e+00 2.35159e+00 545 2020 6 5.15478e+00 1.20285e+01 843 2020 7 2.13962e+00 1.54414e+00 684 2020 8 2.88812e+00 4.78881e-01 341 2020 9 1.78431e+00 4.20800e-01 317 2020 10 1.79198e+00 3.35190e-01 380 2020 11 1.60455e+00 4.77490e-01 256 2020 12 1.62299e+00 1.33384e-01 64 2021 1 1.12929e+00 1.28989e-01 58 2021 2 6.99529e-01 1.74080e-01 68 2021 3 1.68011e+00 8.00740e-01 756 2021 4 1.51268e+00 7.48223e-01 527 2021 5 1.48284e+00 9.13473e-01 575 2021 6 1.30368e+00 4.21952e-01 596 2021 7 1.59652e+00 6.06492e-01 439 2021 8 2.22040e+00 5.97601e-01 408 2021 9 1.58743e+00 1.66814e-01 739 2021 10 1.38001e+00 1.00080e+00 243 2021 11 1.29269e+00 4.67720e-01 220 2021 12 1.19208e+00 1.11578e-01 64 2022 1 8.05900e-01 4.70072e-01 312 2022 2 6.06619e-01 9.50662e-02 192 2022 3 1.36377e+00 1.13616e+00 458 2022 4 1.07454e+00 2.48026e-01 375 2022 5 3.31595e+00 3.08513e+00 443 2022 6 1.79833e+00 1.49941e+00 615 2022 7 1.56726e+00 1.27030e+00 692 2022 8 1.97207e+00 3.87985e-01 561 2022 9 1.81255e+00 2.54573e-01 390 2022 10 2.71759e+00 2.98068e+00 657 2022 11 1.46765e+00 1.22715e+00 298 2022 12 4.78096e-01 2.28673e-01 94 2023 1 1.06866e+00 3.18336e-01 85 2023 2 5.04115e-01 2.07508e-01 283 2023 3 6.76615e-01 2.71303e-01 493 2023 4 7.34007e-01 2.53905e-01 840 2023 5 3.24139e+00 2.97936e+00 529 2023 6 1.76215e+00 6.00061e-01 321 2023 7 1.31945e+00 2.84974e-01 627 2023 8 1.87454e+00 2.73949e-01 879 2023 9 1.95770e+00 2.97314e-01 904 2023 10 1.63838e+00 3.79331e-01 576 2023 11 1.49691e+00 1.44176e-01 107 2023 12 3.55676e-01 4.03967e-02 79 2024 1 6.29075e-01 1.84555e-01 145 2024 2 1.17252e+00 1.67875e+00 656 2024 3 9.70599e-01 4.99528e-01 782 2024 4 9.49549e-01 4.52402e-02 64