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 4.74364e+00 7.49224e-01 320 2002 8 5.14847e+00 1.20934e+00 436 2002 9 2.88666e+00 1.21684e+00 580 2002 10 3.01080e+00 1.04634e+00 640 2002 11 2.25935e+00 9.50640e-01 408 2002 12 3.58876e+00 9.06121e-01 637 2003 1 3.72598e+00 6.70312e-01 770 2003 2 4.14924e+00 5.73305e-01 448 2003 3 3.99023e+00 1.45487e+00 642 2003 4 3.91529e+00 8.86575e-01 372 2003 5 5.73593e+00 1.63349e+00 312 2003 6 3.42342e+00 2.46713e+00 260 2003 7 5.16170e+00 2.40915e+00 705 2003 8 5.76195e+00 1.06796e+00 565 2003 9 5.75322e+00 1.71233e+00 886 2003 10 4.55128e+00 2.03805e+00 558 2003 11 3.10975e+00 1.12381e+00 646 2003 12 2.51848e+00 5.14886e-01 633 2004 1 4.73207e+00 1.03570e+00 642 2004 2 5.24587e+00 8.76248e-01 935 2004 3 3.77351e+00 8.26368e-01 613 2004 4 2.94976e+00 1.57581e+00 376 2004 5 5.71690e+00 1.61493e+00 158 2004 6 4.81974e+00 1.30448e+00 514 2004 7 6.59942e+00 5.61590e-01 192 2004 8 6.10880e+00 8.42448e-01 547 2004 9 4.88422e+00 1.56853e+00 927 2004 10 4.01671e+00 1.42909e+00 482 2004 11 2.95067e+00 9.30533e-01 772 2004 12 3.50002e+00 8.49770e-01 533 2005 1 2.25184e+00 6.62108e-01 320 2005 2 4.04763e+00 5.20752e-01 640 2005 3 4.40682e+00 9.64028e-01 938 2005 4 3.95611e+00 1.98382e+00 762 2005 5 3.40909e+00 1.23407e+00 384 2005 6 3.74121e+00 2.56026e+00 588 2005 7 3.93610e+00 1.73075e+00 452 2005 8 6.13224e+00 1.06519e+00 487 2005 9 4.24427e+00 1.67946e+00 1010 2005 10 3.22038e+00 6.95428e-01 382 2005 11 3.03056e+00 1.33556e+00 458 2005 12 3.80097e+00 6.97586e-01 704 2006 1 3.83387e+00 9.45405e-01 857 2006 2 3.94950e+00 9.04267e-01 844 2006 3 3.54606e+00 1.19985e+00 904 2006 4 4.37051e+00 1.77530e+00 673 2006 5 2.98779e+00 1.29915e+00 387 2006 6 4.77019e+00 2.57688e+00 138 2006 7 6.06852e+00 1.43154e+00 486 2006 8 4.83265e+00 2.07061e+00 828 2006 9 4.80634e+00 1.84223e+00 535 2006 10 4.93634e+00 1.30464e+00 752 2006 11 3.40613e+00 9.16093e-01 355 2006 12 3.72517e+00 7.27057e-01 480 2007 1 4.50471e+00 6.80294e-01 586 2007 2 4.49913e+00 1.07883e+00 896 2007 3 3.70121e+00 8.28147e-01 722 2007 4 2.87792e+00 1.45389e+00 398 2007 5 3.92716e+00 1.09576e+00 638 2007 6 4.23997e+00 2.23719e+00 292 2007 7 5.63295e+00 1.28462e+00 518 2007 8 4.04855e+00 1.51986e+00 491 2007 9 5.20976e+00 1.87122e+00 986 2007 10 2.73097e+00 9.60664e-01 448 2007 11 3.07305e+00 8.70875e-01 647 2007 12 3.97942e+00 2.76370e-01 320 2008 1 4.35181e+00 6.72908e-01 512 2008 2 4.97033e+00 8.12945e-01 597 2008 3 4.22135e+00 9.76620e-01 704 2008 4 4.08356e+00 1.61629e+00 590 2008 5 4.18973e+00 1.63532e+00 477 2008 6 5.55307e+00 9.04728e-01 293 2008 7 5.76448e+00 6.82676e-01 468 2008 8 4.42406e+00 2.10079e+00 725 2008 9 5.47474e+00 2.26755e+00 697 2008 10 3.43673e+00 1.29874e+00 878 2008 11 2.78787e+00 1.17947e+00 432 2008 12 3.93381e+00 3.30142e-01 384 2009 1 5.52975e+00 1.34502e+00 958 2009 2 5.44765e+00 7.67794e-01 687 2009 3 5.78504e+00 9.98181e-01 700 2009 4 4.00797e+00 1.64996e+00 333 2009 5 3.78038e+00 1.22558e+00 215 2009 6 5.22166e+00 2.07963e+00 184 2009 7 5.34723e+00 3.53439e+00 341 2009 8 5.76951e+00 1.65262e+00 624 2009 9 4.02131e+00 1.05485e+00 638 2009 10 3.48828e+00 1.54377e+00 482 2009 11 3.25975e+00 5.85896e-01 448 2009 12 2.93251e+00 9.89680e-01 582 2010 1 4.63421e+00 7.08232e-01 832 2010 2 4.13373e+00 8.70288e-01 704 2010 3 2.79599e+00 6.89316e-01 617 2010 4 3.24964e+00 1.51535e+00 606 2010 5 4.24453e+00 1.82747e+00 802 2010 6 5.86983e+00 1.22075e+00 447 2010 7 5.82822e+00 1.70612e+00 723 2010 8 4.30793e+00 1.71707e+00 649 2010 9 4.38021e+00 1.40187e+00 538 2010 10 3.16029e+00 1.04470e+00 735 2010 11 2.67439e+00 5.22946e-01 332 2010 12 3.48767e+00 1.05225e+00 528 2011 1 3.88313e+00 1.21874e+00 654 2011 2 4.79306e+00 5.00976e-01 661 2011 3 3.49471e+00 1.48173e+00 766 2011 4 2.62096e+00 1.70031e+00 247 2011 5 3.85430e+00 2.07646e+00 256 2011 6 4.61081e+00 1.85679e+00 353 2011 7 4.91033e+00 2.35960e+00 676 2011 8 5.95665e+00 1.32810e+00 727 2011 9 5.30457e+00 1.32108e+00 582 2011 10 3.99431e+00 1.31790e+00 371 2011 11 3.09895e+00 1.37723e+00 535 2011 12 3.58459e+00 7.67483e-01 384 2012 1 4.73565e+00 5.90519e-01 1029 2012 2 4.67908e+00 8.69053e-01 640 2012 3 4.11282e+00 1.75414e+00 768 2012 4 4.31527e+00 2.27674e+00 713 2012 5 5.08744e+00 1.32474e+00 319 2012 6 3.98659e+00 2.09284e+00 560 2012 7 4.86584e+00 1.34594e+00 576 2012 8 4.68596e+00 1.66191e+00 591 2012 9 4.34717e+00 2.01922e+00 803 2012 10 4.07208e+00 1.94133e+00 523 2012 11 3.01754e+00 4.98658e-01 576 2012 12 2.34989e+00 5.45799e-01 358 2013 1 3.70258e+00 5.40579e-01 704 2013 2 3.58162e+00 1.43539e+00 582 2013 3 4.67970e+00 6.50714e-01 319 2013 4 4.01233e+00 1.23388e+00 1030 2013 5 6.22708e+00 1.13377e+00 350 2013 6 3.20650e+00 1.61160e+00 384 2013 7 5.52148e+00 1.28853e+00 322 2013 8 4.95255e+00 1.52390e+00 556 2013 9 3.56457e+00 1.49927e+00 765 2013 10 4.31647e+00 1.18786e+00 720 2013 11 2.18194e+00 6.13734e-01 881 2013 12 3.50221e+00 7.85556e-01 345 2014 1 4.03528e+00 9.96093e-01 708 2014 2 4.87962e+00 4.53533e-01 576 2014 3 4.58336e+00 1.23433e+00 547 2014 4 3.87094e+00 1.02137e+00 445 2014 5 4.13990e+00 1.80654e+00 398 2014 6 4.64264e+00 1.49999e+00 552 2014 7 4.91014e+00 1.92211e+00 465 2014 8 5.16402e+00 1.94778e+00 891 2014 9 4.45741e+00 1.21494e+00 905 2014 10 3.76578e+00 9.76734e-01 592 2014 11 3.47801e+00 6.94426e-01 511 2014 12 3.63972e+00 9.62994e-01 294 2015 1 3.71291e+00 1.27220e+00 640 2015 2 3.50734e+00 1.62235e+00 384 2015 3 4.79973e+00 8.76058e-01 787 2015 4 6.72765e+00 1.57059e+00 728 2015 5 5.04519e+00 8.41654e-01 366 2015 6 6.33087e+00 1.40986e+00 320 2015 7 6.03653e+00 1.17739e+00 349 2015 8 6.72031e+00 1.44746e+00 833 2015 9 4.78487e+00 1.72069e+00 908 2015 10 2.61656e+00 9.56044e-01 769 2015 11 2.54419e+00 5.68575e-01 704 2015 12 2.82363e+00 6.17269e-01 575 2016 1 3.64812e+00 6.41872e-01 656 2016 2 3.71921e+00 7.48776e-01 697 2016 3 5.45674e+00 8.78203e-01 496 2016 4 4.00698e+00 1.55234e+00 580 2016 5 4.41540e+00 1.89366e+00 239 2016 6 4.79101e+00 1.13213e+00 694 2016 7 6.01173e+00 1.48197e+00 550 2016 8 5.80594e+00 1.63022e+00 876 2016 9 3.57948e+00 1.62948e+00 522 2016 10 4.11833e+00 1.45460e+00 576 2016 11 2.82685e+00 8.59164e-01 683 2016 12 2.32623e+00 8.88241e-01 782 2017 1 3.20291e+00 9.61556e-01 610 2017 2 4.58048e+00 8.47534e-01 677 2017 3 4.81593e+00 8.47292e-01 896 2017 4 3.59952e+00 1.70820e+00 384 2017 5 2.92460e+00 1.47996e+00 128 2017 6 3.32753e+00 1.75143e+00 475 2017 7 3.82417e+00 2.22510e+00 634 2017 8 4.53954e+00 1.58476e+00 1029 2017 9 3.21518e+00 1.29141e+00 586 2017 10 2.61767e+00 1.22065e+00 761 2017 11 3.29605e+00 6.74705e-01 592 2017 12 4.46031e+00 7.97426e-01 638 2018 1 4.29980e+00 9.51895e-01 759 2018 2 4.20126e+00 6.05214e-01 448 2018 3 3.37893e+00 7.35124e-01 272 2018 4 5.04206e+00 1.93102e+00 646 2018 5 4.66473e+00 2.11918e+00 444 2018 6 4.65700e+00 1.23786e+00 421 2018 7 5.11101e+00 1.32261e+00 733 2018 8 5.27293e+00 1.30903e+00 591 2018 9 5.03924e+00 1.56764e+00 766 2018 10 3.02776e+00 1.27843e+00 616 2018 11 2.68320e+00 6.66824e-01 512 2018 12 3.51719e+00 5.40780e-01 800 2019 1 4.08378e+00 6.17512e-01 576 2019 2 4.46663e+00 1.34798e+00 466 2019 3 5.68985e+00 1.28586e+00 772 2019 4 5.14473e+00 2.30426e+00 505 2019 5 2.63983e+00 1.95820e+00 164 2019 6 4.75966e+00 2.27401e+00 286 2019 7 4.88141e+00 9.50206e-01 754 2019 8 3.76140e+00 1.57328e+00 516 2019 9 2.69278e+00 1.24862e+00 618 2019 10 2.25036e+00 7.08538e-01 362 2019 11 2.78402e+00 8.42298e-01 677 2019 12 3.84456e+00 3.98475e-01 512 2020 1 4.49789e+00 7.81178e-01 704 2020 2 4.48701e+00 1.28767e+00 624 2020 3 4.15874e+00 4.72327e-01 597 2020 4 3.65094e+00 7.35056e-01 259 2020 5 4.58539e+00 1.89654e+00 686 2020 6 4.27758e+00 1.28323e+00 427 2020 7 5.00636e+00 6.18877e-01 548 2020 8 5.22560e+00 4.79875e-01 294 2020 9 4.60239e+00 9.52549e-01 551 2020 10 5.07850e+00 1.30333e+00 662 2020 11 2.51690e+00 9.58267e-01 508 2020 12 2.51427e+00 8.24399e-01 444 2021 1 3.70020e+00 1.04839e+00 695 2021 2 4.21425e+00 9.46155e-01 513 2021 3 3.72915e+00 8.75657e-01 991 2021 4 3.66149e+00 1.67044e+00 852 2021 5 3.43221e+00 1.53499e+00 508 2021 6 4.16517e+00 1.44860e+00 517 2021 7 4.71882e+00 6.56803e-01 327 2021 8 5.81636e+00 1.33501e+00 516 2021 9 4.42945e+00 1.86747e+00 654 2021 10 3.32275e+00 1.31591e+00 389 2021 11 2.60514e+00 1.22347e+00 832 2021 12 2.41796e+00 1.15480e+00 320 2022 1 4.49423e+00 4.85875e-01 533 2022 2 4.78005e+00 4.58193e-01 656 2022 3 4.35326e+00 1.65239e+00 552 2022 4 3.09158e+00 8.94249e-01 192 2022 5 4.20567e+00 1.92131e+00 297 2022 6 5.04414e+00 1.18593e+00 764 2022 7 6.42065e+00 1.44439e+00 862 2022 8 5.81832e+00 9.68226e-01 751 2022 9 3.62318e+00 1.41024e+00 704 2022 10 3.95201e+00 1.61609e+00 693 2022 11 3.70905e+00 1.01612e+00 857 2022 12 3.94305e+00 1.22646e+00 549 2023 1 4.51638e+00 7.84198e-01 294 2023 2 5.43633e+00 1.47719e+00 355 2023 3 4.74872e+00 7.98058e-01 610 2023 4 5.46425e+00 9.54088e-01 468 2023 5 3.03733e+00 1.75017e+00 506 2023 6 4.35566e+00 1.00690e+00 320 2023 7 3.92937e+00 1.22216e+00 769 2023 8 3.70101e+00 1.15021e+00 703 2023 9 3.79423e+00 1.89077e+00 522 2023 10 3.95074e+00 1.45777e+00 959 2023 11 2.08146e+00 1.34401e+00 652 2023 12 2.60079e+00 4.85219e-01 448 2024 1 2.70777e+00 9.45559e-01 500 2024 2 3.27116e+00 6.91440e-01 704 2024 3 3.48381e+00 9.78507e-01 558 2024 4 nan nan 0