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 1.77823e+00 3.45426e-01 366 2002 8 4.61952e+00 7.44697e+00 386 2002 9 2.32844e+00 1.31536e+00 676 2002 10 2.35526e+00 9.50015e-01 729 2002 11 8.23024e+00 5.61389e+00 384 2002 12 1.78924e+00 6.32959e-01 576 2003 1 1.39063e+00 1.68188e-01 639 2003 2 1.76666e+00 3.26640e-01 384 2003 3 2.65720e+00 2.20653e+00 649 2003 4 2.52037e+00 9.11217e-01 444 2003 5 1.15810e+00 4.87732e-01 447 2003 6 1.87513e+00 1.22089e+00 393 2003 7 1.27334e+00 5.34961e-01 700 2003 8 1.19840e+00 6.46318e-01 588 2003 9 1.88916e+00 1.72529e+00 950 2003 10 1.49215e+00 7.86943e-01 477 2003 11 2.17401e+00 1.31963e+00 580 2003 12 2.60725e+00 7.85202e-01 704 2004 1 2.68700e+00 1.37716e+00 472 2004 2 1.63761e+00 1.05855e+00 950 2004 3 2.65027e+00 1.31836e+00 638 2004 4 7.59003e+00 8.93290e+00 512 2004 5 2.33604e+00 1.15568e+00 319 2004 6 1.34072e+00 3.18674e-01 553 2004 7 7.38709e-01 3.07834e-01 290 2004 8 1.12910e+00 2.54701e-01 576 2004 9 1.53683e+00 9.09996e-01 765 2004 10 2.70366e+00 1.15134e+00 491 2004 11 2.82913e+00 3.43137e+00 769 2004 12 1.70303e+00 3.28471e-01 417 2005 1 2.43319e+00 8.09469e-01 320 2005 2 1.50847e+00 2.67094e-01 701 2005 3 1.89259e+00 6.56493e-01 887 2005 4 5.04446e+00 7.41348e+00 877 2005 5 4.04504e+00 2.02133e+00 384 2005 6 2.42925e+00 1.99050e+00 448 2005 7 1.81659e+00 7.38389e-01 608 2005 8 1.64369e+00 7.81911e-01 713 2005 9 2.39834e+00 2.28211e+00 1018 2005 10 2.62320e+00 1.60197e+00 448 2005 11 5.19774e+00 6.99239e+00 512 2005 12 1.62306e+00 3.23233e-01 628 2006 1 1.77547e+00 8.61116e-01 752 2006 2 1.45995e+00 4.54293e-01 714 2006 3 2.56539e+00 1.34695e+00 896 2006 4 3.24781e+00 3.58088e+00 642 2006 5 3.54239e+00 4.79627e+00 448 2006 6 1.29613e+00 5.72579e-01 385 2006 7 1.15046e+00 7.42458e-01 473 2006 8 1.58904e+00 8.39127e-01 891 2006 9 1.49781e+00 8.58675e-01 624 2006 10 2.38151e+00 3.46011e+00 810 2006 11 2.33575e+00 1.20290e+00 320 2006 12 2.30528e+00 1.21913e+00 448 2007 1 1.62639e+00 3.66452e-01 511 2007 2 1.76819e+00 8.59053e-01 816 2007 3 2.28665e+00 9.05390e-01 822 2007 4 5.66916e+00 4.26803e+00 412 2007 5 2.71838e+00 1.01776e+00 576 2007 6 5.82559e+00 8.09777e+00 384 2007 7 1.14269e+00 5.62725e-01 615 2007 8 1.62075e+00 6.33597e-01 615 2007 9 1.46752e+00 8.34174e-01 1013 2007 10 3.30535e+00 1.80228e+00 523 2007 11 2.01412e+00 2.97713e+00 667 2007 12 1.47561e+00 4.34103e-01 384 2008 1 1.37735e+00 4.25710e-01 509 2008 2 1.12155e+00 2.15982e-01 571 2008 3 1.82130e+00 7.85425e-01 704 2008 4 2.41208e+00 1.19596e+00 704 2008 5 9.32598e+00 2.20851e+01 570 2008 6 1.62679e+00 5.11116e-01 572 2008 7 1.21088e+00 3.07501e-01 702 2008 8 2.38782e+00 6.15310e+00 905 2008 9 1.93328e+00 1.76860e+00 874 2008 10 2.57923e+00 1.18121e+00 830 2008 11 2.39451e+00 1.64414e+00 559 2008 12 1.66533e+00 3.00238e-01 482 2009 1 1.31843e+00 8.76729e-01 806 2009 2 1.04679e+00 2.18651e-01 578 2009 3 1.25865e+00 8.69781e-01 720 2009 4 5.47583e+00 6.45361e+00 556 2009 5 1.13897e+01 2.25960e+01 410 2009 6 2.36101e+00 1.19747e+00 82 2009 7 1.76533e+00 1.20632e+00 576 2009 8 1.08469e+00 4.59377e-01 691 2009 9 4.58605e+00 5.83187e+00 850 2009 10 1.59366e+00 8.74825e-01 453 2009 11 2.33072e+00 9.09687e-01 448 2009 12 2.62186e+00 1.06818e+00 543 2010 1 2.20526e+00 9.02033e-01 774 2010 2 2.68917e+00 1.22732e+00 704 2010 3 2.54186e+00 1.10704e+00 620 2010 4 9.24789e+00 1.74630e+01 840 2010 5 1.96131e+00 1.43438e+00 833 2010 6 1.35669e+00 3.56909e-01 496 2010 7 1.22153e+00 4.28767e-01 882 2010 8 1.91734e+00 8.88021e-01 728 2010 9 2.33521e+00 1.14867e+00 861 2010 10 4.00156e+00 5.98765e+00 771 2010 11 2.61393e+00 7.18355e-01 369 2010 12 1.68130e+00 5.17320e-01 490 2011 1 1.97896e+00 6.30361e-01 635 2011 2 1.95174e+00 6.70709e-01 689 2011 3 2.77745e+00 1.08515e+00 823 2011 4 1.57340e+00 5.92319e-01 295 2011 5 3.09009e+00 2.14787e+00 294 2011 6 1.38241e+00 4.49388e-01 439 2011 7 1.30272e+00 5.53653e-01 663 2011 8 1.20867e+00 7.94358e-01 825 2011 9 2.34624e+00 3.13894e+00 751 2011 10 6.57501e+00 1.23685e+01 569 2011 11 2.71746e+00 2.94790e+00 588 2011 12 1.28494e+00 3.70714e-01 321 2012 1 1.17433e+00 4.66295e-01 775 2012 2 1.61614e+00 7.26679e-01 730 2012 3 1.80984e+00 7.24663e-01 704 2012 4 1.32787e+00 1.17458e+00 1020 2012 5 1.40865e+00 2.91498e-01 448 2012 6 1.80940e+00 8.59437e-01 641 2012 7 1.50283e+00 6.30852e-01 729 2012 8 1.41084e+00 3.88576e-01 787 2012 9 2.78393e+00 4.10995e+00 790 2012 10 2.40017e+00 1.30160e+00 556 2012 11 2.68833e+00 1.14691e+00 538 2012 12 2.29302e+00 6.82938e-01 448 2013 1 2.24330e+00 1.07715e+00 703 2013 2 1.74560e+00 4.26370e-01 627 2013 3 1.43882e+00 2.65083e-01 283 2013 4 2.15069e+00 1.85322e+00 988 2013 5 2.10302e+00 1.82140e+00 466 2013 6 2.13154e+00 1.42435e+00 479 2013 7 1.14302e+00 4.56789e-01 512 2013 8 2.72297e+00 2.32307e+00 522 2013 9 2.86907e+00 2.42054e+00 1023 2013 10 2.00165e+00 1.26018e+00 576 2013 11 2.79428e+00 8.72363e-01 722 2013 12 1.29476e+00 3.75231e-01 192 2014 1 1.88309e+00 5.44275e-01 645 2014 2 1.32448e+00 2.61372e-01 512 2014 3 1.77791e+00 3.05401e-01 512 2014 4 6.21837e+00 1.35344e+01 565 2014 5 3.01210e+00 7.51705e+00 675 2014 6 2.00488e+00 1.23082e+00 759 2014 7 2.86252e+00 4.34663e+00 565 2014 8 1.60607e+00 1.01350e+00 1072 2014 9 1.90113e+00 1.31581e+00 868 2014 10 1.47375e+00 1.01632e+00 724 2014 11 2.15522e+00 4.69503e-01 431 2014 12 1.33519e+00 5.21103e-01 256 2015 1 2.00990e+00 1.12192e+00 604 2015 2 2.24506e+00 6.79662e-01 413 2015 3 1.96978e+00 7.86183e-01 847 2015 4 6.19301e-01 2.89168e-01 705 2015 5 2.75374e+00 3.28065e+00 511 2015 6 9.90349e-01 4.14934e-01 431 2015 7 2.89640e+00 4.30859e+00 495 2015 8 9.06500e-01 3.08908e-01 837 2015 9 1.53215e+00 7.69895e-01 801 2015 10 4.38608e+00 2.24520e+00 810 2015 11 3.50576e+00 2.47847e+00 828 2015 12 3.17851e+00 1.29697e+00 508 2016 1 1.98192e+00 3.96888e-01 540 2016 2 2.06422e+00 3.99609e-01 704 2016 3 1.21960e+00 4.21822e-01 512 2016 4 4.05270e+00 8.00553e+00 544 2016 5 3.64681e+00 4.19437e+00 305 2016 6 1.41386e+00 4.24065e-01 779 2016 7 1.01368e+00 2.53755e-01 625 2016 8 1.71580e+00 2.60486e+00 1075 2016 9 5.92771e+00 5.10865e+00 652 2016 10 2.80922e+00 2.29133e+00 586 2016 11 3.30722e+00 1.99030e+00 845 2016 12 5.05757e+00 2.95390e+00 585 2017 1 1.85230e+00 6.43075e-01 561 2017 2 1.47797e+00 2.12504e-01 740 2017 3 1.46020e+00 5.19209e-01 918 2017 4 2.87332e+00 2.35548e+00 571 2017 5 1.51496e+01 2.09152e+01 292 2017 6 2.99928e+00 1.79140e+00 636 2017 7 1.76057e+00 9.56343e-01 678 2017 8 2.56733e+00 2.69620e+00 1037 2017 9 3.79585e+00 2.43998e+00 712 2017 10 9.46945e+00 1.73401e+01 795 2017 11 2.39200e+00 1.03410e+00 660 2017 12 1.20785e+00 2.93805e-01 368 2018 1 1.93378e+00 1.39262e+00 671 2018 2 1.63175e+00 2.98375e-01 448 2018 3 2.61248e+00 5.53499e-01 279 2018 4 2.46771e+00 2.76130e+00 636 2018 5 1.68611e+00 7.99820e-01 482 2018 6 1.76706e+00 5.23296e-01 372 2018 7 1.40655e+00 5.21997e-01 656 2018 8 1.53276e+00 8.38226e-01 704 2018 9 1.78622e+00 2.01652e+00 780 2018 10 2.81879e+00 1.03155e+00 618 2018 11 2.80701e+00 4.85472e-01 448 2018 12 2.04644e+00 5.89653e-01 590 2019 1 2.80882e+00 7.40783e+00 656 2019 2 1.67217e+00 8.30071e-01 512 2019 3 1.10294e+00 2.58988e-01 887 2019 4 3.31253e+00 4.07384e+00 666 2019 5 6.88319e+00 1.52523e+01 410 2019 6 1.61233e+00 7.95303e-01 384 2019 7 1.58361e+00 3.66844e-01 879 2019 8 1.65266e+00 5.99979e-01 760 2019 9 6.45316e+00 7.23140e+00 912 2019 10 3.70502e+00 1.37452e+00 330 2019 11 4.74697e+00 6.57594e+00 585 2019 12 1.89076e+00 3.35070e-01 403 2020 1 1.54540e+00 4.73924e-01 832 2020 2 2.05168e+00 2.05420e+00 789 2020 3 2.81328e+00 5.25885e-01 642 2020 4 3.24705e+00 1.25736e+00 438 2020 5 1.99259e+00 1.46258e+00 902 2020 6 1.79558e+00 7.60920e-01 460 2020 7 1.28448e+00 1.97148e-01 623 2020 8 1.38763e+00 7.36479e-02 256 2020 9 1.28791e+00 1.11821e+00 646 2020 10 2.01797e+00 2.17227e+00 704 2020 11 3.92526e+00 2.22012e+00 586 2020 12 3.60177e+00 1.30666e+00 384 2021 1 2.38024e+00 8.98459e-01 570 2021 2 1.55406e+00 3.89077e-01 457 2021 3 2.91622e+00 3.22885e+00 937 2021 4 2.59923e+00 1.75024e+00 958 2021 5 2.53412e+00 1.94754e+00 641 2021 6 1.58725e+00 5.55831e-01 590 2021 7 1.88040e+00 9.18955e-01 537 2021 8 1.44340e+00 6.10732e-01 331 2021 9 1.94678e+00 2.48249e+00 643 2021 10 2.81061e+00 1.68426e+00 704 2021 11 5.19772e+00 4.54065e+00 855 2021 12 2.23662e+00 3.61541e-01 304 2022 1 1.85551e+00 4.23117e-01 475 2022 2 1.19664e+00 2.52366e-01 707 2022 3 4.56241e+00 1.00831e+01 732 2022 4 2.39734e+00 2.80024e-01 191 2022 5 2.16547e+00 2.55502e+00 426 2022 6 1.71601e+00 4.10682e-01 641 2022 7 1.00640e+00 2.30534e-01 1021 2022 8 1.03710e+00 5.61663e-01 960 2022 9 4.81000e+00 5.54618e+00 816 2022 10 4.18250e+00 9.53182e+00 792 2022 11 1.65009e+00 9.28029e-01 885 2022 12 1.71407e+00 5.71229e-01 391 2023 1 1.13714e+00 8.27579e-01 320 2023 2 8.71792e-01 5.07439e-01 448 2023 3 1.06941e+00 5.16478e-01 655 2023 4 1.21721e+00 2.27450e+00 460 2023 5 4.80123e+00 7.84839e+00 806 2023 6 1.12998e+00 4.99179e-01 472 2023 7 3.84506e+00 3.92383e+00 860 2023 8 2.43107e+00 1.12005e+00 641 2023 9 3.14637e+00 3.53857e+00 595 2023 10 1.51898e+00 1.28134e+00 892 2023 11 5.26697e+00 3.29004e+00 624 2023 12 3.89037e+00 3.50116e+00 431 2024 1 3.71497e+00 3.18206e+00 429 2024 2 2.88705e+00 1.21096e+00 832 2024 3 2.23203e+00 1.13915e+00 582 2024 4 nan nan 0