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 1.92995e+00 5.67080e-01 234 2002 8 3.53536e+00 1.04227e+00 417 2002 9 2.21588e+00 9.80468e-01 511 2002 10 2.79410e+00 7.93418e-01 702 2002 11 2.43243e+00 1.07928e+00 453 2002 12 2.81015e+00 7.80714e-01 640 2003 1 4.13416e+00 1.11781e+00 777 2003 2 3.52702e+00 1.07247e+00 630 2003 3 3.44597e+00 9.81290e-01 608 2003 4 2.23139e+00 9.28319e-01 470 2003 5 2.92385e+00 7.47621e-01 270 2003 6 2.18785e+00 7.10425e-01 256 2003 7 2.52207e+00 1.13481e+00 521 2003 8 2.43103e+00 5.68424e-01 208 2003 9 2.78173e+00 8.94737e-01 600 2003 10 2.10098e+00 6.95162e-01 518 2003 11 1.90062e+00 9.27475e-01 565 2003 12 2.17203e+00 1.03502e+00 615 2004 1 5.40986e+00 7.68432e-01 878 2004 2 4.40720e+00 1.01191e+00 729 2004 3 3.29834e+00 1.10998e+00 572 2004 4 1.71570e+00 8.29623e-01 300 2004 5 3.10610e+00 6.59009e-01 138 2004 6 2.47015e+00 1.16074e+00 329 2004 7 3.40573e+00 1.29961e-01 64 2004 8 2.88781e+00 7.23623e-01 473 2004 9 2.88394e+00 8.22830e-01 439 2004 10 2.28968e+00 6.38304e-01 553 2004 11 2.71879e+00 7.44571e-01 841 2004 12 3.11457e+00 7.02805e-01 366 2005 1 1.62527e+00 6.83117e-01 581 2005 2 2.59590e+00 8.05585e-01 507 2005 3 3.42541e+00 8.98102e-01 665 2005 4 1.80252e+00 6.22010e-01 720 2005 5 2.12449e+00 1.19166e+00 303 2005 6 2.34085e+00 9.33071e-01 264 2005 7 1.64217e+00 8.19317e-01 277 2005 8 3.14280e+00 3.88833e-01 326 2005 9 2.21021e+00 7.30373e-01 706 2005 10 2.35618e+00 1.12031e+00 376 2005 11 2.39138e+00 6.28552e-01 557 2005 12 3.09704e+00 7.04475e-01 722 2006 1 3.61034e+00 9.64700e-01 682 2006 2 3.46940e+00 1.06160e+00 612 2006 3 3.94635e+00 4.91300e-01 620 2006 4 3.55888e+00 1.17877e+00 479 2006 5 3.27329e+00 1.43795e+00 128 2006 6 2.56699e+00 1.54381e-01 133 2006 7 9.48386e-01 1.10116e-01 43 2006 8 2.82807e+00 1.25104e+00 453 2006 9 1.57970e+00 6.37133e-01 501 2006 10 2.65146e+00 6.11342e-01 651 2006 11 2.73743e+00 9.84045e-01 288 2006 12 3.13375e+00 5.41826e-01 570 2007 1 3.55699e+00 6.99445e-01 529 2007 2 4.78464e+00 1.19177e+00 645 2007 3 3.40901e+00 1.15635e+00 646 2007 4 1.80506e+00 4.34343e-01 320 2007 5 1.84949e+00 1.08075e+00 389 2007 6 2.65558e+00 1.10853e+00 78 2007 7 3.15611e+00 1.47772e+00 369 2007 8 2.32571e+00 8.03215e-01 423 2007 9 2.21302e+00 7.07351e-01 686 2007 10 2.02504e+00 3.65277e-01 471 2007 11 2.37676e+00 7.76396e-01 540 2007 12 2.67581e+00 7.04091e-01 352 2008 1 3.18865e+00 1.24446e+00 537 2008 2 3.95340e+00 7.18990e-01 430 2008 3 3.34836e+00 9.23261e-01 598 2008 4 2.34205e+00 1.35953e+00 703 2008 5 1.86931e+00 1.02397e+00 167 2008 6 3.10354e+00 8.99984e-01 284 2008 7 2.77952e+00 4.85289e-01 197 2008 8 2.45305e+00 1.27812e+00 608 2008 9 3.11759e+00 1.25286e+00 677 2008 10 2.30173e+00 7.95158e-01 652 2008 11 2.64020e+00 4.79257e-01 545 2008 12 3.48711e+00 8.60566e-01 445 2009 1 5.46769e+00 6.77525e-01 950 2009 2 5.52513e+00 1.22265e+00 641 2009 3 4.37694e+00 1.10087e+00 701 2009 4 1.88618e+00 9.12487e-01 416 2009 5 2.20422e+00 7.86686e-01 180 2009 6 2.37017e+00 2.01333e-01 178 2009 7 2.47025e+00 1.07581e+00 275 2009 8 2.76812e+00 6.76721e-01 256 2009 9 1.81428e+00 7.42344e-01 444 2009 10 3.10468e+00 7.41292e-01 487 2009 11 2.37980e+00 4.10541e-01 514 2009 12 3.10953e+00 7.22096e-01 512 2010 1 4.01924e+00 1.26632e+00 723 2010 2 3.65040e+00 9.72721e-01 446 2010 3 1.69452e+00 4.72722e-01 622 2010 4 1.55557e+00 2.16350e-01 489 2010 5 2.43174e+00 9.12540e-01 507 2010 6 3.03749e+00 1.75579e+00 339 2010 7 3.01239e+00 8.45276e-01 455 2010 8 2.54241e+00 8.65028e-01 506 2010 9 2.51649e+00 6.86793e-01 645 2010 10 2.36215e+00 5.67067e-01 694 2010 11 2.16565e+00 8.24376e-01 528 2010 12 2.32500e+00 7.02514e-01 411 2011 1 3.14692e+00 1.15188e+00 457 2011 2 4.53729e+00 1.00124e+00 530 2011 3 3.37371e+00 9.70633e-01 608 2011 4 2.36863e+00 1.17445e+00 260 2011 5 1.64904e+00 5.23231e-01 207 2011 6 2.82750e+00 1.06102e+00 129 2011 7 2.40830e+00 1.22037e+00 381 2011 8 3.78498e+00 1.64784e+00 632 2011 9 2.56876e+00 1.06512e+00 417 2011 10 2.29450e+00 3.70197e-01 381 2011 11 2.21998e+00 9.82828e-01 582 2011 12 2.76660e+00 5.82413e-01 531 2012 1 3.47912e+00 1.05007e+00 519 2012 2 4.10088e+00 4.80399e-01 703 2012 3 2.41472e+00 7.17227e-01 715 2012 4 3.95152e+00 1.22100e+00 345 2012 5 2.62478e+00 1.41270e+00 320 2012 6 2.06791e+00 1.00710e+00 420 2012 7 2.90757e+00 7.11134e-01 687 2012 8 2.50440e+00 6.22423e-01 565 2012 9 2.50067e+00 1.05879e+00 730 2012 10 2.42784e+00 7.13521e-01 411 2012 11 1.72794e+00 5.17855e-01 618 2012 12 2.88822e+00 1.04871e+00 297 2013 1 3.24220e+00 6.32246e-01 554 2013 2 2.73681e+00 1.27323e+00 582 2013 3 1.50073e+00 8.87985e-01 230 2013 4 2.88499e+00 5.22728e-01 790 2013 5 2.91520e+00 5.68277e-01 263 2013 6 2.07360e+00 8.21075e-01 276 2013 7 3.13151e+00 1.06643e+00 244 2013 8 2.22023e+00 8.24968e-01 434 2013 9 3.00095e+00 1.14267e+00 1103 2013 10 2.76593e+00 8.77854e-01 471 2013 11 2.28360e+00 7.32253e-01 884 2013 12 2.82093e+00 1.07659e+00 535 2014 1 2.78214e+00 1.19068e+00 509 2014 2 3.35369e+00 1.31714e+00 441 2014 3 4.07245e+00 1.07404e+00 450 2014 4 2.73146e+00 6.07308e-01 474 2014 5 2.35520e+00 7.33759e-01 320 2014 6 2.89913e+00 8.99579e-01 469 2014 7 3.30141e+00 8.51094e-01 227 2014 8 2.57387e+00 1.04006e+00 740 2014 9 2.39136e+00 8.98314e-01 750 2014 10 2.23144e+00 5.79512e-01 512 2014 11 2.55417e+00 1.07308e+00 365 2014 12 2.45803e+00 3.03815e-01 246 2015 1 3.78093e+00 1.14792e+00 564 2015 2 2.22903e+00 1.16575e+00 320 2015 3 4.45254e+00 1.01487e+00 749 2015 4 4.24408e+00 1.03666e+00 533 2015 5 2.42454e+00 1.05791e+00 303 2015 6 3.41682e+00 7.10717e-01 319 2015 7 2.21391e+00 4.40441e-01 180 2015 8 2.86700e+00 8.83809e-01 512 2015 9 2.71867e+00 8.14874e-01 840 2015 10 2.34937e+00 4.94584e-01 650 2015 11 2.30705e+00 4.83829e-01 823 2015 12 2.45467e+00 6.82170e-01 465 2016 1 2.24573e+00 8.82334e-01 549 2016 2 2.30617e+00 5.13330e-01 576 2016 3 2.93904e+00 9.60387e-01 569 2016 4 2.78291e+00 6.43438e-01 612 2016 5 2.84242e+00 4.44513e-01 256 2016 6 3.40837e+00 1.14992e+00 342 2016 7 2.97497e+00 9.06625e-01 355 2016 8 2.96195e+00 1.39276e+00 873 2016 9 2.41026e+00 1.27857e+00 497 2016 10 2.29654e+00 5.62357e-01 536 2016 11 2.14944e+00 4.73462e-01 808 2016 12 2.09485e+00 8.83353e-01 575 2017 1 2.96471e+00 1.15929e+00 566 2017 2 3.40436e+00 1.05723e+00 435 2017 3 3.57446e+00 1.01149e+00 809 2017 4 3.16385e+00 1.53057e+00 538 2017 5 1.94173e+00 9.82578e-01 233 2017 6 2.56984e+00 2.70426e-01 149 2017 7 3.39612e+00 8.30779e-01 359 2017 8 2.18074e+00 8.64149e-01 569 2017 9 2.07916e+00 8.43465e-01 532 2017 10 1.79086e+00 4.19899e-01 764 2017 11 2.42537e+00 7.23309e-01 687 2017 12 3.59307e+00 9.10349e-01 475 2018 1 3.98088e+00 9.20911e-01 634 2018 2 3.80687e+00 7.59740e-01 384 2018 3 2.48767e+00 1.14093e+00 407 2018 4 3.46493e+00 7.04253e-01 576 2018 5 2.16943e+00 1.47393e+00 315 2018 6 2.99915e+00 7.02474e-01 423 2018 7 2.65927e+00 6.15808e-01 589 2018 8 2.39704e+00 1.23178e+00 521 2018 9 2.53582e+00 8.32295e-01 288 2018 10 2.44967e+00 4.94899e-01 537 2018 11 2.43244e+00 4.34801e-01 618 2018 12 3.32803e+00 6.06069e-01 982 2019 1 4.35869e+00 8.67004e-01 638 2019 2 4.60320e+00 7.92018e-01 465 2019 3 5.09484e+00 9.37372e-01 628 2019 4 3.27102e+00 9.08641e-01 338 2019 5 2.13876e+00 9.07711e-01 197 2019 6 2.10832e+00 9.32371e-01 330 2019 7 2.34627e+00 7.29239e-01 458 2019 8 2.45613e+00 9.84903e-01 392 2019 9 1.89339e+00 5.19376e-01 697 2019 10 2.01280e+00 4.55473e-01 293 2019 11 2.09045e+00 5.41616e-01 673 2019 12 3.42495e+00 6.86822e-01 518 2020 1 3.80795e+00 9.91102e-01 672 2020 2 3.78523e+00 1.13012e+00 581 2020 3 2.91794e+00 5.79212e-01 620 2020 4 1.65335e+00 3.25618e-01 272 2020 5 2.72744e+00 9.50135e-01 565 2020 6 2.84965e+00 7.49194e-01 309 2020 7 3.27754e+00 1.00519e+00 537 2020 8 2.86055e+00 1.99002e-01 192 2020 9 1.85809e+00 7.07693e-01 592 2020 10 2.44010e+00 8.15328e-01 594 2020 11 2.37839e+00 7.01878e-01 416 2020 12 2.04734e+00 5.30493e-01 304 2021 1 2.82124e+00 6.40865e-01 537 2021 2 3.10347e+00 1.10511e+00 355 2021 3 3.16333e+00 7.45399e-01 1036 2021 4 3.94487e+00 7.23290e-01 518 2021 5 2.39085e+00 6.70130e-01 410 2021 6 2.72452e+00 1.69795e+00 303 2021 7 2.07792e+00 5.05687e-01 128 2021 8 1.95887e+00 1.18985e+00 237 2021 9 2.89126e+00 2.96279e+00 394 2021 10 2.10438e+00 7.89374e-01 607 2021 11 1.90644e+00 3.97677e-01 867 2021 12 2.15726e+00 4.02503e-01 256 2022 1 3.43753e+00 1.34078e+00 490 2022 2 3.38341e+00 1.27910e+00 795 2022 3 4.21780e+00 8.63653e-01 568 2022 4 2.40297e+00 4.79347e-01 255 2022 5 2.28582e+00 9.04183e-01 256 2022 6 3.45381e+00 1.08179e+00 422 2022 7 3.64336e+00 5.82957e-01 625 2022 8 3.45588e+00 6.03161e-01 672 2022 9 1.81752e+00 6.51509e-01 414 2022 10 2.13950e+00 5.18069e-01 943 2022 11 3.20081e+00 5.41792e-01 943 2022 12 2.09937e+00 6.47772e-01 575 2023 1 2.13072e+00 7.85694e-01 315 2023 2 4.13940e+00 1.11796e+00 396 2023 3 3.29551e+00 1.00229e+00 485 2023 4 3.35184e+00 7.63203e-01 506 2023 5 2.44798e+00 8.14058e-01 298 2023 6 4.02268e+00 2.11582e+00 346 2023 7 3.06090e+00 7.21270e-01 396 2023 8 2.31144e+00 8.82511e-01 622 2023 9 2.50258e+00 9.80886e-01 486 2023 10 2.18264e+00 5.91982e-01 629 2023 11 2.04874e+00 6.48969e-01 621 2023 12 1.92341e+00 8.24753e-01 384 2024 1 2.46331e+00 1.14585e+00 464 2024 2 2.61940e+00 1.01207e+00 882 2024 3 2.57801e+00 5.23498e-01 520 2024 4 nan nan 0