YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.84073e+01 4.22733e-01 48 2000 3 2.06833e+01 1.01972e+00 192 2000 4 2.15284e+01 1.33396e+00 135 2000 5 2.60433e+01 1.80311e+00 199 2000 6 2.80379e+01 7.39312e-01 80 2000 7 2.92555e+01 8.10026e-01 149 2000 8 2.93769e+01 7.26578e-01 68 2000 9 2.48874e+01 2.05631e+00 70 2000 10 2.25436e+01 8.57625e-01 175 2000 11 2.17374e+01 2.82441e+00 80 2000 12 nan nan 0 2001 1 1.17361e+01 1.51367e-01 32 2001 2 1.81956e+01 1.77018e+00 80 2001 3 1.48118e+01 7.74560e-01 54 2001 4 2.15646e+01 2.23507e+00 200 2001 5 2.54345e+01 1.22045e+00 193 2001 6 2.74859e+01 6.97298e-01 32 2001 7 2.95216e+01 9.73835e-01 40 2001 8 2.92220e+01 1.84179e+00 200 2001 9 2.52716e+01 1.96866e+00 86 2001 10 2.12809e+01 1.90012e+00 116 2001 11 1.91245e+01 1.08252e+00 202 2001 12 1.86042e+01 2.73749e+00 136 2002 1 nan nan 0 2002 2 1.53449e+01 2.13252e+00 110 2002 3 1.85584e+01 3.48305e+00 48 2002 4 2.39919e+01 2.08856e+00 186 2002 5 2.56746e+01 2.50001e+00 168 2002 6 2.86474e+01 6.89562e-01 80 2002 7 2.96180e+01 1.21865e+00 441 2002 8 2.88058e+01 1.23719e+00 523 2002 9 2.82345e+01 8.82205e-01 474 2002 10 2.63868e+01 2.14672e+00 544 2002 11 1.96679e+01 2.25891e+00 369 2002 12 1.41417e+01 1.33072e+00 164 2003 1 1.14979e+01 1.42780e+00 379 2003 2 1.45070e+01 1.56122e+00 224 2003 3 2.08127e+01 1.54927e+00 344 2003 4 2.15087e+01 2.49411e+00 659 2003 5 2.66992e+01 1.17870e+00 656 2003 6 2.87360e+01 1.69075e+00 517 2003 7 2.97489e+01 1.18486e+00 347 2003 8 2.90435e+01 1.27703e+00 528 2003 9 2.75341e+01 1.46402e+00 480 2003 10 2.32230e+01 1.12854e+00 571 2003 11 2.10817e+01 2.00809e+00 691 2003 12 1.43942e+01 1.48339e+00 178 2004 1 1.27914e+01 1.17174e+00 224 2004 2 1.28250e+01 1.19754e+00 136 2004 3 1.85242e+01 1.96774e+00 611 2004 4 2.05333e+01 2.36525e+00 697 2004 5 2.62780e+01 1.79482e+00 887 2004 6 2.93989e+01 1.34468e+00 551 2004 7 2.99734e+01 1.76829e+00 529 2004 8 2.99899e+01 1.20445e+00 557 2004 9 2.67245e+01 2.05158e+00 477 2004 10 2.45983e+01 1.77888e+00 670 2004 11 2.12415e+01 2.55403e+00 468 2004 12 1.56746e+01 2.01212e+00 235 2005 1 1.28484e+01 2.09041e+00 255 2005 2 1.40991e+01 1.42912e+00 244 2005 3 1.64343e+01 1.73130e+00 440 2005 4 2.05470e+01 1.07662e+00 599 2005 5 2.52951e+01 2.32676e+00 752 2005 6 2.84755e+01 1.46194e+00 604 2005 7 3.01339e+01 1.59317e+00 620 2005 8 2.99096e+01 1.80423e+00 665 2005 9 2.78005e+01 1.11212e+00 661 2005 10 2.48097e+01 2.53438e+00 592 2005 11 1.99292e+01 2.11137e+00 401 2005 12 1.42819e+01 1.83946e+00 244 2006 1 1.45995e+01 1.99265e+00 313 2006 2 1.43034e+01 1.83789e+00 414 2006 3 1.84207e+01 1.52921e+00 683 2006 4 2.31650e+01 2.15814e+00 751 2006 5 2.49013e+01 1.88064e+00 787 2006 6 2.84213e+01 1.36960e+00 667 2006 7 2.98206e+01 1.58332e+00 674 2006 8 3.03018e+01 1.24740e+00 750 2006 9 2.80055e+01 1.65338e+00 575 2006 10 2.36488e+01 2.31863e+00 748 2006 11 1.81141e+01 1.55704e+00 253 2006 12 1.59157e+01 1.53979e+00 155 2007 1 1.35465e+01 2.22552e+00 216 2007 2 1.27510e+01 1.68384e+00 312 2007 3 1.92314e+01 2.20304e+00 623 2007 4 2.12039e+01 2.18719e+00 537 2007 5 2.46364e+01 1.05086e+00 783 2007 6 2.81093e+01 1.77903e+00 650 2007 7 3.01781e+01 1.21033e+00 392 2007 8 3.00316e+01 1.61847e+00 673 2007 9 2.82946e+01 1.37515e+00 575 2007 10 2.53073e+01 1.50654e+00 457 2007 11 1.80053e+01 1.49829e+00 665 2007 12 1.71748e+01 1.83902e+00 224 2008 1 1.36481e+01 2.40436e+00 118 2008 2 1.56662e+01 1.66930e+00 443 2008 3 1.76136e+01 2.04481e+00 572 2008 4 2.20430e+01 1.72551e+00 657 2008 5 2.54104e+01 1.47351e+00 715 2008 6 2.89638e+01 1.40764e+00 703 2008 7 2.93669e+01 1.39474e+00 519 2008 8 2.82854e+01 1.73972e+00 376 2008 9 2.68748e+01 2.24945e+00 590 2008 10 2.31680e+01 2.30166e+00 763 2008 11 1.62064e+01 2.52450e+00 475 2008 12 1.49949e+01 1.73797e+00 298 2009 1 1.38416e+01 2.66260e+00 395 2009 2 1.38592e+01 1.83911e+00 426 2009 3 1.80948e+01 3.08857e+00 484 2009 4 2.19045e+01 2.09125e+00 661 2009 5 2.66120e+01 1.20244e+00 523 2009 6 2.92344e+01 1.39738e+00 673 2009 7 2.89910e+01 1.03225e+00 577 2009 8 2.94411e+01 1.81629e+00 578 2009 9 2.80685e+01 9.68712e-01 576 2009 10 2.53578e+01 2.69238e+00 468 2009 11 1.87943e+01 1.39825e+00 304 2009 12 1.39713e+01 2.67866e+00 168 2010 1 1.23116e+01 3.02485e+00 280 2010 2 1.13954e+01 1.53705e+00 371 2010 3 1.55784e+01 2.13880e+00 502 2010 4 2.20282e+01 1.39880e+00 618 2010 5 2.71172e+01 2.28822e+00 724 2010 6 3.07272e+01 1.49828e+00 798 2010 7 3.00622e+01 1.68463e+00 631 2010 8 2.99171e+01 1.50804e+00 286 2010 9 2.86878e+01 1.53634e+00 703 2010 10 2.36730e+01 1.19744e+00 904 2010 11 1.90485e+01 1.65155e+00 651 2010 12 1.36131e+01 2.78407e+00 340 2011 1 1.06714e+01 1.55910e+00 425 2011 2 1.45570e+01 2.90417e+00 275 2011 3 1.93910e+01 1.94114e+00 582 2011 4 2.34908e+01 1.93784e+00 941 2011 5 2.56868e+01 2.22256e+00 1018 2011 6 2.96632e+01 1.25074e+00 707 2011 7 2.96142e+01 1.50807e+00 616 2011 8 3.04874e+01 9.96615e-01 710 2011 9 2.74559e+01 1.07745e+00 683 2011 10 2.22340e+01 1.84105e+00 677 2011 11 1.77442e+01 1.13552e+00 473 2011 12 1.54483e+01 1.05181e+00 281 2012 1 1.49521e+01 1.99581e+00 458 2012 2 1.53868e+01 1.97507e+00 187 2012 3 2.19032e+01 2.40004e+00 662 2012 4 2.29499e+01 1.54107e+00 845 2012 5 2.69503e+01 1.16883e+00 758 2012 6 2.70902e+01 1.32196e+00 540 2012 7 2.97489e+01 1.45172e+00 511 2012 8 2.87515e+01 1.20801e+00 383 2012 9 2.75027e+01 1.68817e+00 514 2012 10 2.43704e+01 2.36565e+00 635 2012 11 1.78434e+01 1.29824e+00 586 2012 12 1.66904e+01 2.13407e+00 302 2013 1 1.52759e+01 1.17595e+00 277 2013 2 1.50764e+01 1.70164e+00 321 2013 3 1.55763e+01 1.89526e+00 562 2013 4 2.08653e+01 2.07731e+00 567 2013 5 2.49527e+01 2.77329e+00 720 2013 6 2.84936e+01 1.37952e+00 528 2013 7 2.86186e+01 2.02411e+00 333 2013 8 2.98462e+01 1.83952e+00 615 2013 9 2.91663e+01 1.76301e+00 713 2013 10 2.39027e+01 2.36821e+00 616 2013 11 1.87332e+01 2.95031e+00 366 2013 12 1.56533e+01 2.10722e+00 258 2014 1 1.18145e+01 1.30319e+00 231 2014 2 1.45936e+01 1.75700e+00 279 2014 3 1.72135e+01 1.77028e+00 533 2014 4 2.09363e+01 2.09812e+00 574 2014 5 2.55003e+01 1.72631e+00 618 2014 6 2.90112e+01 1.55247e+00 569 2014 7 2.96445e+01 1.24641e+00 604 2014 8 2.99148e+01 1.44435e+00 649 2014 9 2.87248e+01 1.73721e+00 328 2014 10 2.42580e+01 1.85203e+00 771 2014 11 1.63183e+01 2.18579e+00 401 2014 12 1.52834e+01 1.60184e+00 289 2015 1 1.37991e+01 8.27000e-01 323 2015 2 1.31319e+01 1.42880e+00 494 2015 3 1.90270e+01 2.54902e+00 520 2015 4 2.32358e+01 1.73798e+00 275 2015 5 2.69926e+01 2.01699e+00 878 2015 6 2.99764e+01 1.35693e+00 566 2015 7 2.96091e+01 1.49419e+00 527 2015 8 2.99447e+01 1.63712e+00 480 2015 9 2.75582e+01 1.91451e+00 342 2015 10 2.35083e+01 1.70771e+00 575 2015 11 2.16307e+01 3.55589e+00 366 2015 12 1.70417e+01 1.39871e+00 249 2016 1 1.34240e+01 1.26507e+00 337 2016 2 1.42685e+01 1.92163e+00 452 2016 3 1.82347e+01 1.76206e+00 442 2016 4 2.23156e+01 1.93141e+00 663 2016 5 2.59708e+01 1.87072e+00 792 2016 6 2.93031e+01 1.40541e+00 612 2016 7 3.10994e+01 1.36744e+00 869 2016 8 3.01543e+01 1.51923e+00 619 2016 9 2.88753e+01 1.37021e+00 665 2016 10 2.46943e+01 1.75880e+00 744 2016 11 2.00599e+01 2.86342e+00 574 2016 12 1.72198e+01 1.62647e+00 352 2017 1 1.47619e+01 2.38711e+00 236 2017 2 1.79818e+01 2.06241e+00 540 2017 3 1.83466e+01 2.82754e+00 635 2017 4 2.33997e+01 1.57365e+00 654 2017 5 2.48173e+01 1.93021e+00 550 2017 6 2.87262e+01 1.78754e+00 327 2017 7 3.02472e+01 1.66084e+00 437 2017 8 2.98804e+01 1.69289e+00 544 2017 9 2.80601e+01 1.75834e+00 565 2017 10 2.41174e+01 2.90899e+00 825 2017 11 1.89752e+01 1.59630e+00 590 2017 12 1.60340e+01 2.98412e+00 340 2018 1 1.13332e+01 1.72400e+00 252 2018 2 2.01265e+01 3.20251e+00 320 2018 3 1.79816e+01 2.09733e+00 649 2018 4 2.14960e+01 1.29221e+00 568 2018 5 2.56664e+01 1.68898e+00 544 2018 6 2.97871e+01 1.43871e+00 500 2018 7 3.00395e+01 1.34384e+00 479 2018 8 2.97722e+01 1.34725e+00 494 2018 9 3.04134e+01 1.03870e+00 768 2018 10 2.61200e+01 2.67667e+00 691 2018 11 1.81852e+01 2.69390e+00 258 2018 12 1.49493e+01 1.82017e+00 232 2019 1 1.43563e+01 1.90574e+00 403 2019 2 1.72370e+01 2.29561e+00 209 2019 3 1.83653e+01 1.78626e+00 468 2019 4 2.21100e+01 1.93700e+00 529 2019 5 2.77635e+01 1.96711e+00 862 2019 6 2.92239e+01 1.44665e+00 493 2019 7 2.99143e+01 1.28838e+00 454 2019 8 3.02105e+01 9.98745e-01 596 2019 9 2.89885e+01 1.42417e+00 827 2019 10 2.59282e+01 2.32018e+00 673 2019 11 1.76378e+01 2.11876e+00 557 2019 12 1.54742e+01 1.71135e+00 427 2020 1 1.49957e+01 1.98102e+00 502 2020 2 1.48474e+01 1.39236e+00 444 2020 3 2.16557e+01 4.19776e+00 529 2020 4 2.30282e+01 1.29269e+00 502 2020 5 2.48663e+01 1.42251e+00 670 2020 6 2.91889e+01 1.34140e+00 540 2020 7 3.02100e+01 9.95958e-01 514 2020 8 3.08638e+01 1.08771e+00 421 2020 9 2.82638e+01 2.35182e+00 368 2020 10 2.52465e+01 1.20724e+00 546 2020 11 2.06213e+01 2.08443e+00 766 2020 12 1.37907e+01 1.69952e+00 592 2021 1 1.36527e+01 1.84454e+00 401 2021 2 1.52240e+01 2.39326e+00 462 2021 3 1.83881e+01 1.76012e+00 571 2021 4 2.12879e+01 1.94034e+00 656 2021 5 2.53991e+01 1.75229e+00 666 2021 6 2.78767e+01 1.55147e+00 348 2021 7 2.98452e+01 1.23871e+00 386 2021 8 3.02573e+01 1.19274e+00 403 2021 9 2.80685e+01 1.10120e+00 498 2021 10 2.52870e+01 2.13505e+00 692 2021 11 1.77381e+01 1.71939e+00 697 2021 12 1.67592e+01 1.73143e+00 509 2022 1 1.41433e+01 2.77776e+00 641 2022 2 1.54601e+01 2.84465e+00 569 2022 3 1.92649e+01 1.26566e+00 672 2022 4 2.31559e+01 1.58742e+00 480 2022 5 2.67223e+01 1.35690e+00 700 2022 6 2.99705e+01 1.34420e+00 612 2022 7 3.04223e+01 1.21100e+00 501 2022 8 3.10776e+01 1.29475e+00 481 2022 9 2.81042e+01 1.91498e+00 423 2022 10 2.24035e+01 1.88896e+00 960 2022 11 2.07581e+01 2.68186e+00 461 2022 12 1.66169e+01 3.63029e+00 704 2023 1 1.41969e+01 1.43260e+00 607 2023 2 1.68396e+01 1.87727e+00 488 2023 3 2.01646e+01 2.60474e+00 590 2023 4 2.29273e+01 1.17648e+00 460 2023 5 2.56737e+01 1.94193e+00 637 2023 6 2.78442e+01 2.06712e+00 595 2023 7 3.06113e+01 1.16037e+00 487 2023 8 3.12504e+01 9.79257e-01 640 2023 9 2.89673e+01 1.49327e+00 646 2023 10 2.28898e+01 1.70523e+00 666 2023 11 1.98378e+01 1.86073e+00 485 2023 12 1.41386e+01 1.54463e+00 363 2024 1 1.30775e+01 1.48416e+00 326 2024 2 1.51146e+01 1.18570e+00 496 2024 3 1.96476e+01 1.06599e+00 464 2024 4 2.14123e+01 7.00773e-01 48