YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.94931e+01 5.92631e-02 16 2000 3 1.99710e+01 6.38869e-01 149 2000 4 2.12997e+01 1.01492e+00 124 2000 5 2.45505e+01 1.90700e+00 175 2000 6 2.71684e+01 9.87917e-01 127 2000 7 2.86718e+01 1.63815e+00 153 2000 8 2.96963e+01 2.00748e-01 32 2000 9 2.86573e+01 7.13885e-01 80 2000 10 2.57825e+01 6.84649e-01 252 2000 11 2.38618e+01 1.05081e+00 169 2000 12 2.09532e+01 1.45652e+00 178 2001 1 1.77073e+01 1.08953e+00 96 2001 2 1.88019e+01 9.44638e-01 80 2001 3 1.91200e+01 1.28013e+00 80 2001 4 2.05647e+01 1.43210e+00 144 2001 5 2.36378e+01 1.63727e+00 224 2001 6 2.58581e+01 8.89201e-01 32 2001 7 2.77513e+01 1.54068e+00 64 2001 8 2.86402e+01 1.17473e+00 128 2001 9 2.77325e+01 1.03848e+00 146 2001 10 2.45686e+01 1.70914e+00 163 2001 11 2.22742e+01 7.22201e-01 248 2001 12 2.28336e+01 8.15401e-01 164 2002 1 1.81096e+01 6.57881e-01 37 2002 2 1.74580e+01 1.80156e+00 64 2002 3 1.93174e+01 1.06463e+00 95 2002 4 2.20814e+01 1.96962e+00 160 2002 5 2.49438e+01 1.31733e+00 220 2002 6 2.66364e+01 6.43816e-01 160 2002 7 2.84838e+01 1.41743e+00 479 2002 8 2.87519e+01 9.27412e-01 598 2002 9 2.84755e+01 8.48693e-01 523 2002 10 2.79770e+01 1.36305e+00 512 2002 11 2.40735e+01 2.14372e+00 586 2002 12 1.90531e+01 1.62131e+00 376 2003 1 1.70812e+01 1.00462e+00 613 2003 2 1.67591e+01 1.09417e+00 321 2003 3 1.96204e+01 1.25859e+00 226 2003 4 2.01704e+01 1.29704e+00 605 2003 5 2.52284e+01 1.26575e+00 726 2003 6 2.77081e+01 1.25875e+00 519 2003 7 2.89670e+01 1.05585e+00 375 2003 8 2.84136e+01 9.99604e-01 539 2003 9 2.85412e+01 9.77408e-01 528 2003 10 2.53928e+01 1.08663e+00 676 2003 11 2.34868e+01 8.14173e-01 789 2003 12 1.93371e+01 1.26155e+00 400 2004 1 1.76585e+01 1.33872e+00 510 2004 2 1.70019e+01 1.08371e+00 223 2004 3 1.85176e+01 1.04117e+00 651 2004 4 1.99772e+01 9.70792e-01 510 2004 5 2.44902e+01 1.94968e+00 937 2004 6 2.84195e+01 1.28879e+00 643 2004 7 2.91803e+01 1.36516e+00 660 2004 8 2.93760e+01 1.48422e+00 655 2004 9 2.75202e+01 1.90898e+00 516 2004 10 2.52610e+01 1.00991e+00 610 2004 11 2.40289e+01 1.17094e+00 562 2004 12 1.90221e+01 2.16944e+00 455 2005 1 1.81912e+01 1.66470e+00 537 2005 2 1.78680e+01 1.22165e+00 390 2005 3 1.75711e+01 1.30550e+00 416 2005 4 2.00297e+01 1.21555e+00 592 2005 5 2.37990e+01 1.86591e+00 873 2005 6 2.72886e+01 1.48243e+00 653 2005 7 2.88660e+01 1.47490e+00 686 2005 8 2.96159e+01 1.54414e+00 649 2005 9 2.84103e+01 9.23974e-01 746 2005 10 2.63379e+01 1.25468e+00 778 2005 11 2.31595e+01 1.26341e+00 676 2005 12 1.94466e+01 2.10476e+00 441 2006 1 1.84271e+01 8.99654e-01 516 2006 2 1.79407e+01 1.02568e+00 464 2006 3 1.88327e+01 8.76287e-01 703 2006 4 2.19459e+01 1.85912e+00 744 2006 5 2.43378e+01 1.59431e+00 815 2006 6 2.75510e+01 1.25838e+00 831 2006 7 2.93475e+01 1.57414e+00 581 2006 8 2.98325e+01 1.06038e+00 615 2006 9 2.94492e+01 1.05313e+00 736 2006 10 2.69240e+01 1.41862e+00 759 2006 11 2.17685e+01 1.99208e+00 645 2006 12 1.99948e+01 1.17521e+00 328 2007 1 1.89277e+01 1.69023e+00 256 2007 2 1.74768e+01 1.57103e+00 339 2007 3 1.84250e+01 1.13449e+00 713 2007 4 2.05052e+01 1.50677e+00 538 2007 5 2.28037e+01 9.11334e-01 818 2007 6 2.67859e+01 1.57132e+00 664 2007 7 2.88883e+01 1.68165e+00 546 2007 8 2.96723e+01 1.09036e+00 698 2007 9 2.89752e+01 1.15298e+00 540 2007 10 2.69968e+01 1.08966e+00 504 2007 11 2.34172e+01 1.18759e+00 920 2007 12 2.18128e+01 8.12546e-01 516 2008 1 1.93720e+01 1.22964e+00 464 2008 2 1.90091e+01 8.13963e-01 564 2008 3 1.87235e+01 7.11944e-01 580 2008 4 2.08478e+01 8.90760e-01 607 2008 5 2.36957e+01 1.55286e+00 706 2008 6 2.82115e+01 1.27211e+00 749 2008 7 2.90617e+01 1.43739e+00 523 2008 8 2.78356e+01 1.31972e+00 450 2008 9 2.77255e+01 1.48836e+00 596 2008 10 2.59755e+01 1.01549e+00 764 2008 11 2.17896e+01 1.40514e+00 645 2008 12 2.02134e+01 9.32929e-01 533 2009 1 1.90012e+01 1.47242e+00 625 2009 2 1.71570e+01 1.32172e+00 607 2009 3 1.89811e+01 1.42123e+00 684 2009 4 2.04747e+01 1.26639e+00 513 2009 5 2.43322e+01 1.43003e+00 671 2009 6 2.72686e+01 1.27887e+00 684 2009 7 2.78115e+01 1.17782e+00 495 2009 8 2.88892e+01 1.03789e+00 423 2009 9 2.82614e+01 8.36097e-01 564 2009 10 2.61807e+01 2.09108e+00 603 2009 11 2.19008e+01 1.50370e+00 536 2009 12 1.79638e+01 1.48670e+00 179 2010 1 1.63730e+01 1.37112e+00 467 2010 2 1.52117e+01 1.25224e+00 418 2010 3 1.62198e+01 1.53847e+00 531 2010 4 1.96645e+01 1.58633e+00 468 2010 5 2.55961e+01 2.35508e+00 746 2010 6 2.97049e+01 1.21865e+00 754 2010 7 2.93505e+01 9.25424e-01 531 2010 8 2.89048e+01 1.44096e+00 410 2010 9 2.90018e+01 9.33345e-01 713 2010 10 2.55199e+01 1.11716e+00 985 2010 11 2.22676e+01 9.00565e-01 885 2010 12 1.80898e+01 1.92065e+00 749 2011 1 1.65684e+01 8.15261e-01 523 2011 2 1.65626e+01 1.02226e+00 268 2011 3 1.87020e+01 9.38629e-01 558 2011 4 2.16384e+01 1.33333e+00 798 2011 5 2.48950e+01 1.30438e+00 931 2011 6 2.86540e+01 9.91547e-01 764 2011 7 2.96690e+01 9.81109e-01 490 2011 8 3.00843e+01 1.06247e+00 737 2011 9 2.85083e+01 8.67025e-01 667 2011 10 2.56313e+01 1.66841e+00 705 2011 11 2.26655e+01 1.05671e+00 624 2011 12 1.98315e+01 1.56094e+00 552 2012 1 1.83783e+01 1.15585e+00 597 2012 2 1.83555e+01 1.45398e+00 161 2012 3 2.08150e+01 1.31212e+00 594 2012 4 2.25943e+01 7.96690e-01 841 2012 5 2.53657e+01 1.29271e+00 927 2012 6 2.68781e+01 1.12367e+00 541 2012 7 2.82573e+01 1.07146e+00 544 2012 8 2.89240e+01 1.11469e+00 454 2012 9 2.78217e+01 1.11558e+00 572 2012 10 2.60350e+01 1.36515e+00 802 2012 11 2.19876e+01 1.12274e+00 602 2012 12 2.13259e+01 1.25649e+00 456 2013 1 1.96490e+01 7.91086e-01 437 2013 2 1.93667e+01 1.03769e+00 398 2013 3 1.75281e+01 6.44787e-01 565 2013 4 1.97307e+01 1.13870e+00 393 2013 5 2.34509e+01 2.00239e+00 680 2013 6 2.73824e+01 1.58556e+00 699 2013 7 2.81183e+01 1.25968e+00 298 2013 8 2.93346e+01 1.16630e+00 568 2013 9 2.94827e+01 9.60570e-01 666 2013 10 2.66217e+01 1.33069e+00 536 2013 11 2.23232e+01 1.96505e+00 368 2013 12 2.04483e+01 1.58232e+00 544 2014 1 1.62730e+01 1.46185e+00 328 2014 2 1.60126e+01 1.16373e+00 274 2014 3 1.76010e+01 8.71344e-01 487 2014 4 2.05123e+01 1.80998e+00 405 2014 5 2.42521e+01 1.64371e+00 676 2014 6 2.78931e+01 1.43196e+00 655 2014 7 2.82678e+01 1.53408e+00 685 2014 8 2.96634e+01 8.18240e-01 697 2014 9 2.94576e+01 1.01715e+00 477 2014 10 2.67308e+01 1.07916e+00 954 2014 11 2.12025e+01 1.81582e+00 609 2014 12 2.02871e+01 1.17039e+00 533 2015 1 1.88775e+01 1.02571e+00 425 2015 2 1.76666e+01 1.01566e+00 546 2015 3 1.92921e+01 1.43660e+00 446 2015 4 2.12755e+01 1.54360e+00 270 2015 5 2.49844e+01 1.99121e+00 848 2015 6 2.84811e+01 1.20903e+00 701 2015 7 2.86789e+01 1.26001e+00 495 2015 8 2.97162e+01 1.13940e+00 600 2015 9 2.86406e+01 9.73295e-01 302 2015 10 2.60015e+01 1.15698e+00 667 2015 11 2.43949e+01 1.57534e+00 613 2015 12 2.15014e+01 1.16781e+00 403 2016 1 1.89001e+01 1.54064e+00 372 2016 2 1.75655e+01 1.15101e+00 545 2016 3 1.87748e+01 1.32669e+00 433 2016 4 2.11127e+01 1.10258e+00 530 2016 5 2.43190e+01 1.52453e+00 701 2016 6 2.80329e+01 1.48984e+00 672 2016 7 3.05311e+01 1.07520e+00 749 2016 8 2.96513e+01 1.09809e+00 589 2016 9 2.92754e+01 7.17741e-01 709 2016 10 2.62799e+01 1.60843e+00 807 2016 11 2.36726e+01 1.59835e+00 668 2016 12 2.05652e+01 1.38204e+00 491 2017 1 1.96548e+01 1.31467e+00 501 2017 2 1.96325e+01 5.79453e-01 590 2017 3 1.98147e+01 1.04277e+00 695 2017 4 2.19866e+01 9.62931e-01 714 2017 5 2.45494e+01 1.04934e+00 544 2017 6 2.75115e+01 1.33885e+00 341 2017 7 2.97643e+01 1.23317e+00 702 2017 8 2.97181e+01 1.10936e+00 486 2017 9 2.80583e+01 1.49042e+00 642 2017 10 2.64609e+01 1.21293e+00 603 2017 11 2.35296e+01 8.39761e-01 763 2017 12 2.08171e+01 1.44886e+00 439 2018 1 1.83081e+01 1.59486e+00 505 2018 2 1.98905e+01 2.15323e+00 357 2018 3 2.01568e+01 1.44873e+00 692 2018 4 2.10349e+01 9.27103e-01 623 2018 5 2.46291e+01 1.95100e+00 707 2018 6 2.80259e+01 1.37366e+00 584 2018 7 2.95761e+01 1.22506e+00 456 2018 8 2.92187e+01 1.07439e+00 453 2018 9 2.94822e+01 1.25390e+00 758 2018 10 2.74663e+01 1.60768e+00 693 2018 11 2.25602e+01 1.81583e+00 334 2018 12 1.95270e+01 2.08380e+00 387 2019 1 1.84610e+01 9.41806e-01 488 2019 2 1.80177e+01 1.71993e+00 248 2019 3 1.86895e+01 9.80155e-01 535 2019 4 2.11284e+01 1.52010e+00 455 2019 5 2.60471e+01 1.75136e+00 863 2019 6 2.85605e+01 1.52213e+00 565 2019 7 2.94448e+01 1.48424e+00 573 2019 8 2.97204e+01 9.41680e-01 418 2019 9 2.93494e+01 8.43959e-01 850 2019 10 2.79465e+01 1.31139e+00 481 2019 11 2.32400e+01 2.31157e+00 545 2019 12 2.09402e+01 1.45403e+00 292 2020 1 2.01815e+01 1.53867e+00 551 2020 2 1.95112e+01 1.22548e+00 421 2020 3 2.12597e+01 2.17834e+00 706 2020 4 2.23436e+01 8.59042e-01 400 2020 5 2.37761e+01 1.50270e+00 712 2020 6 2.82150e+01 1.19389e+00 471 2020 7 2.85635e+01 1.17630e+00 519 2020 8 3.03628e+01 7.42105e-01 470 2020 9 2.89692e+01 1.41848e+00 400 2020 10 2.61098e+01 7.89687e-01 544 2020 11 2.40897e+01 1.22825e+00 686 2020 12 1.95911e+01 1.55672e+00 746 2021 1 1.76516e+01 1.20333e+00 407 2021 2 1.76898e+01 1.04669e+00 395 2021 3 1.87639e+01 1.05613e+00 562 2021 4 2.10858e+01 9.17495e-01 689 2021 5 2.41420e+01 1.36628e+00 720 2021 6 2.69026e+01 1.33049e+00 363 2021 7 2.89266e+01 1.07940e+00 419 2021 8 2.94048e+01 1.07456e+00 480 2021 9 2.81835e+01 6.34717e-01 492 2021 10 2.71277e+01 1.00279e+00 478 2021 11 2.27210e+01 1.14768e+00 738 2021 12 2.06633e+01 8.60278e-01 522 2022 1 1.94721e+01 2.05055e+00 530 2022 2 1.84457e+01 1.59374e+00 528 2022 3 1.98065e+01 7.74432e-01 772 2022 4 2.15058e+01 7.93361e-01 399 2022 5 2.50815e+01 1.30645e+00 724 2022 6 2.88778e+01 1.60882e+00 740 2022 7 3.01604e+01 1.04768e+00 563 2022 8 3.02778e+01 9.78531e-01 404 2022 9 2.93418e+01 1.08777e+00 502 2022 10 2.61697e+01 1.28049e+00 710 2022 11 2.39321e+01 1.42586e+00 469 2022 12 2.17103e+01 1.55049e+00 588 2023 1 2.11090e+01 1.14380e+00 639 2023 2 2.00432e+01 1.26522e+00 593 2023 3 2.13113e+01 8.63765e-01 656 2023 4 2.20326e+01 7.59729e-01 524 2023 5 2.47247e+01 1.56106e+00 773 2023 6 2.69935e+01 1.38394e+00 613 2023 7 2.97018e+01 1.16914e+00 714 2023 8 3.06475e+01 1.03287e+00 678 2023 9 3.03682e+01 1.19885e+00 645 2023 10 2.57837e+01 1.46899e+00 716 2023 11 2.40661e+01 1.06922e+00 407 2023 12 1.83073e+01 1.45325e+00 279 2024 1 1.73239e+01 8.80908e-01 224 2024 2 1.76658e+01 8.28606e-01 512 2024 3 1.95690e+01 1.07720e+00 350 2024 4 2.01633e+01 4.91222e-01 48