YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.81378e+01 1.52730e-01 32 2000 3 2.03257e+01 1.15015e+00 191 2000 4 2.17364e+01 1.20055e+00 132 2000 5 2.63458e+01 2.07657e+00 192 2000 6 2.75983e+01 8.20009e-01 106 2000 7 2.97116e+01 1.08169e+00 176 2000 8 2.96821e+01 2.19053e-01 48 2000 9 2.59629e+01 1.75952e+00 48 2000 10 2.23350e+01 1.02567e+00 221 2000 11 2.03794e+01 2.71366e+00 136 2000 12 1.45609e+01 1.73417e+00 32 2001 1 1.25321e+01 5.47315e-01 48 2001 2 1.74477e+01 8.75007e-01 48 2001 3 1.62898e+01 2.50413e+00 95 2001 4 2.11128e+01 2.08853e+00 202 2001 5 2.53131e+01 1.21079e+00 220 2001 6 2.65735e+01 7.76100e-01 78 2001 7 2.83417e+01 1.28807e+00 44 2001 8 2.90217e+01 1.43958e+00 180 2001 9 2.65776e+01 1.41333e+00 120 2001 10 2.23049e+01 1.94252e+00 146 2001 11 1.93940e+01 5.66837e-01 176 2001 12 1.85715e+01 2.10950e+00 116 2002 1 nan nan 0 2002 2 1.48613e+01 9.90274e-01 103 2002 3 1.69405e+01 4.05075e+00 64 2002 4 2.41001e+01 2.06675e+00 181 2002 5 2.60079e+01 1.64616e+00 198 2002 6 2.86558e+01 9.04004e-01 112 2002 7 2.95230e+01 1.59141e+00 501 2002 8 2.90482e+01 1.11430e+00 550 2002 9 2.83091e+01 1.06859e+00 446 2002 10 2.66137e+01 1.91269e+00 560 2002 11 2.01136e+01 2.55064e+00 482 2002 12 1.45320e+01 9.61908e-01 267 2003 1 1.20227e+01 1.31193e+00 482 2003 2 1.40872e+01 1.55623e+00 270 2003 3 2.06181e+01 1.79881e+00 275 2003 4 2.16750e+01 2.08178e+00 683 2003 5 2.63017e+01 1.35706e+00 665 2003 6 2.84220e+01 1.81487e+00 487 2003 7 2.94744e+01 1.20786e+00 393 2003 8 2.86155e+01 1.59213e+00 502 2003 9 2.77036e+01 1.62540e+00 504 2003 10 2.34598e+01 1.03197e+00 668 2003 11 2.11842e+01 1.74179e+00 714 2003 12 1.46610e+01 1.84881e+00 330 2004 1 1.32284e+01 1.73288e+00 381 2004 2 1.31949e+01 1.25695e+00 185 2004 3 1.83871e+01 2.02368e+00 602 2004 4 2.07651e+01 1.72332e+00 687 2004 5 2.63101e+01 1.69991e+00 928 2004 6 2.89833e+01 1.60662e+00 685 2004 7 2.97575e+01 1.47023e+00 589 2004 8 2.98256e+01 1.19580e+00 592 2004 9 2.70320e+01 2.07362e+00 567 2004 10 2.50415e+01 1.90946e+00 670 2004 11 2.15054e+01 2.49273e+00 533 2004 12 1.56810e+01 2.06364e+00 292 2005 1 1.33716e+01 1.42193e+00 260 2005 2 1.38127e+01 1.26880e+00 284 2005 3 1.65696e+01 1.94119e+00 484 2005 4 2.06744e+01 9.34429e-01 624 2005 5 2.49781e+01 2.29584e+00 765 2005 6 2.81877e+01 1.31336e+00 688 2005 7 2.99850e+01 1.64374e+00 568 2005 8 2.96578e+01 1.55522e+00 678 2005 9 2.77620e+01 1.36194e+00 764 2005 10 2.44010e+01 2.54764e+00 744 2005 11 1.93987e+01 1.95947e+00 448 2005 12 1.47364e+01 1.93539e+00 317 2006 1 1.45519e+01 1.27404e+00 346 2006 2 1.44851e+01 1.26251e+00 429 2006 3 1.83162e+01 1.48822e+00 690 2006 4 2.30142e+01 1.88802e+00 676 2006 5 2.51756e+01 1.57108e+00 751 2006 6 2.83663e+01 1.41686e+00 767 2006 7 3.01042e+01 1.14762e+00 622 2006 8 3.05564e+01 1.14292e+00 828 2006 9 2.83428e+01 1.61652e+00 721 2006 10 2.43575e+01 2.22813e+00 767 2006 11 1.82204e+01 1.82325e+00 364 2006 12 1.55525e+01 1.63672e+00 239 2007 1 1.37862e+01 1.26223e+00 227 2007 2 1.34886e+01 1.45701e+00 362 2007 3 1.87847e+01 1.68475e+00 727 2007 4 2.09387e+01 1.94127e+00 533 2007 5 2.46155e+01 9.84442e-01 820 2007 6 2.78556e+01 1.53707e+00 557 2007 7 2.94612e+01 1.52475e+00 478 2007 8 3.04961e+01 1.10867e+00 692 2007 9 2.83539e+01 1.74240e+00 678 2007 10 2.56573e+01 1.28705e+00 551 2007 11 1.87285e+01 1.36066e+00 744 2007 12 1.70029e+01 1.26758e+00 291 2008 1 1.31336e+01 1.84990e+00 209 2008 2 1.58088e+01 9.71751e-01 383 2008 3 1.74808e+01 1.49432e+00 624 2008 4 2.17651e+01 1.65670e+00 641 2008 5 2.51904e+01 1.90859e+00 748 2008 6 2.92467e+01 1.26777e+00 630 2008 7 2.90865e+01 1.45790e+00 498 2008 8 2.88577e+01 1.18774e+00 403 2008 9 2.75378e+01 2.04549e+00 706 2008 10 2.35427e+01 2.05026e+00 854 2008 11 1.71239e+01 1.99324e+00 576 2008 12 1.51107e+01 1.27606e+00 332 2009 1 1.36794e+01 2.11716e+00 423 2009 2 1.37692e+01 1.62037e+00 513 2009 3 1.82818e+01 2.28225e+00 571 2009 4 2.19251e+01 1.92474e+00 688 2009 5 2.58950e+01 1.65106e+00 584 2009 6 2.85351e+01 1.39688e+00 663 2009 7 2.87259e+01 1.60320e+00 588 2009 8 2.96407e+01 1.31336e+00 523 2009 9 2.81233e+01 8.57892e-01 590 2009 10 2.48984e+01 2.63634e+00 682 2009 11 1.93018e+01 1.22760e+00 357 2009 12 1.41603e+01 1.75118e+00 154 2010 1 1.13373e+01 2.60012e+00 392 2010 2 1.21402e+01 1.01823e+00 431 2010 3 1.57335e+01 1.68855e+00 429 2010 4 2.19645e+01 1.42984e+00 651 2010 5 2.69488e+01 2.21106e+00 711 2010 6 3.06567e+01 1.24730e+00 797 2010 7 2.98009e+01 1.73935e+00 676 2010 8 3.04543e+01 1.34329e+00 280 2010 9 2.92203e+01 1.24009e+00 764 2010 10 2.41531e+01 1.12789e+00 884 2010 11 1.95316e+01 1.57383e+00 682 2010 12 1.40900e+01 2.89448e+00 470 2011 1 1.09899e+01 1.20752e+00 434 2011 2 1.44380e+01 2.29753e+00 309 2011 3 1.88905e+01 1.50209e+00 553 2011 4 2.33817e+01 1.95638e+00 871 2011 5 2.57256e+01 1.64989e+00 889 2011 6 2.95798e+01 1.48697e+00 690 2011 7 2.98215e+01 1.35919e+00 662 2011 8 3.03949e+01 1.45815e+00 725 2011 9 2.77343e+01 9.96672e-01 632 2011 10 2.32827e+01 1.67946e+00 787 2011 11 1.79376e+01 1.03248e+00 538 2011 12 1.59271e+01 8.06983e-01 265 2012 1 1.52295e+01 1.61932e+00 532 2012 2 1.52103e+01 1.54675e+00 193 2012 3 2.11622e+01 2.46283e+00 704 2012 4 2.34121e+01 1.09813e+00 837 2012 5 2.66974e+01 1.23771e+00 804 2012 6 2.72348e+01 1.23622e+00 531 2012 7 2.96727e+01 1.58177e+00 542 2012 8 2.88053e+01 1.28811e+00 480 2012 9 2.74750e+01 1.67488e+00 498 2012 10 2.46438e+01 2.10662e+00 737 2012 11 1.82506e+01 1.49891e+00 642 2012 12 1.64843e+01 1.86573e+00 330 2013 1 1.55574e+01 1.20103e+00 295 2013 2 1.56992e+01 1.20254e+00 335 2013 3 1.61577e+01 1.53981e+00 697 2013 4 2.13177e+01 1.44072e+00 469 2013 5 2.46856e+01 2.16207e+00 632 2013 6 2.81528e+01 1.76305e+00 501 2013 7 2.86852e+01 1.91880e+00 276 2013 8 3.01584e+01 1.53309e+00 528 2013 9 2.91834e+01 1.73111e+00 776 2013 10 2.44191e+01 1.82387e+00 586 2013 11 1.92944e+01 2.61697e+00 433 2013 12 1.62402e+01 1.58783e+00 278 2014 1 1.22963e+01 1.34793e+00 312 2014 2 1.37854e+01 1.76992e+00 297 2014 3 1.70807e+01 1.45333e+00 489 2014 4 2.04688e+01 1.64020e+00 565 2014 5 2.55066e+01 1.68523e+00 702 2014 6 2.87230e+01 1.65603e+00 589 2014 7 2.94751e+01 1.18643e+00 631 2014 8 2.97059e+01 1.26321e+00 680 2014 9 2.88017e+01 1.48762e+00 428 2014 10 2.46809e+01 1.62354e+00 881 2014 11 1.67215e+01 2.40774e+00 497 2014 12 1.54099e+01 1.39049e+00 402 2015 1 1.38444e+01 1.60826e+00 371 2015 2 1.36188e+01 1.04296e+00 456 2015 3 1.90430e+01 2.07374e+00 511 2015 4 2.33969e+01 2.02015e+00 305 2015 5 2.69295e+01 1.85247e+00 811 2015 6 2.99874e+01 1.45390e+00 596 2015 7 2.94158e+01 1.49287e+00 513 2015 8 2.99945e+01 1.31958e+00 573 2015 9 2.76584e+01 1.63766e+00 328 2015 10 2.39780e+01 1.48180e+00 585 2015 11 2.13192e+01 3.19892e+00 490 2015 12 1.70733e+01 1.49537e+00 277 2016 1 1.41848e+01 1.52672e+00 368 2016 2 1.46135e+01 1.56732e+00 416 2016 3 1.91145e+01 1.72320e+00 445 2016 4 2.22353e+01 1.65256e+00 652 2016 5 2.58385e+01 1.45317e+00 736 2016 6 2.93791e+01 1.14157e+00 728 2016 7 3.10965e+01 1.37285e+00 933 2016 8 3.05195e+01 1.45648e+00 596 2016 9 2.93419e+01 1.20032e+00 667 2016 10 2.54452e+01 2.01249e+00 778 2016 11 2.05288e+01 2.61286e+00 635 2016 12 1.73199e+01 1.39979e+00 297 2017 1 1.60347e+01 1.68101e+00 283 2017 2 1.78343e+01 1.87655e+00 573 2017 3 1.90932e+01 2.16602e+00 667 2017 4 2.33842e+01 1.40288e+00 649 2017 5 2.51690e+01 1.48522e+00 627 2017 6 2.86192e+01 1.86768e+00 299 2017 7 3.00784e+01 1.76757e+00 516 2017 8 2.95870e+01 1.66376e+00 530 2017 9 2.78547e+01 1.64035e+00 720 2017 10 2.46833e+01 2.22231e+00 828 2017 11 1.99427e+01 1.46322e+00 649 2017 12 1.65579e+01 2.24521e+00 368 2018 1 1.12357e+01 1.23339e+00 232 2018 2 1.84909e+01 3.52359e+00 314 2018 3 1.84401e+01 1.66107e+00 563 2018 4 2.14793e+01 1.48023e+00 618 2018 5 2.55520e+01 1.88845e+00 580 2018 6 2.90528e+01 1.65326e+00 457 2018 7 3.02647e+01 1.09772e+00 576 2018 8 3.01469e+01 1.05797e+00 518 2018 9 3.02871e+01 1.23192e+00 820 2018 10 2.68718e+01 2.54697e+00 784 2018 11 1.91544e+01 2.13784e+00 266 2018 12 1.50882e+01 1.78962e+00 285 2019 1 1.44686e+01 1.99870e+00 420 2019 2 1.63222e+01 1.54004e+00 186 2019 3 1.80718e+01 1.84878e+00 478 2019 4 2.19884e+01 1.84379e+00 556 2019 5 2.77037e+01 2.15089e+00 879 2019 6 2.92577e+01 1.08370e+00 370 2019 7 2.97077e+01 2.21773e+00 399 2019 8 3.05140e+01 9.54079e-01 516 2019 9 2.91643e+01 1.14840e+00 986 2019 10 2.65523e+01 2.29858e+00 656 2019 11 1.84040e+01 2.26981e+00 531 2019 12 1.58513e+01 1.22722e+00 395 2020 1 1.51392e+01 1.37592e+00 468 2020 2 1.51440e+01 1.23399e+00 420 2020 3 2.10082e+01 3.67157e+00 487 2020 4 2.32562e+01 9.26925e-01 435 2020 5 2.46328e+01 1.38081e+00 593 2020 6 2.94152e+01 1.18095e+00 412 2020 7 2.98883e+01 1.32571e+00 398 2020 8 3.09913e+01 8.46526e-01 464 2020 9 2.79182e+01 2.02624e+00 400 2020 10 2.52456e+01 1.26870e+00 598 2020 11 2.14158e+01 1.77313e+00 781 2020 12 1.50297e+01 1.66805e+00 729 2021 1 1.39169e+01 1.59991e+00 440 2021 2 1.54701e+01 1.99284e+00 431 2021 3 1.82347e+01 1.49244e+00 552 2021 4 2.12618e+01 1.56262e+00 640 2021 5 2.55693e+01 1.70334e+00 694 2021 6 2.79563e+01 1.39975e+00 454 2021 7 2.99307e+01 1.08056e+00 446 2021 8 3.02457e+01 1.40582e+00 482 2021 9 2.79988e+01 1.23143e+00 604 2021 10 2.52285e+01 1.81318e+00 643 2021 11 1.83650e+01 1.54669e+00 741 2021 12 1.71655e+01 1.35919e+00 469 2022 1 1.49322e+01 2.50847e+00 675 2022 2 1.53835e+01 2.45384e+00 550 2022 3 1.91910e+01 1.00824e+00 629 2022 4 2.30483e+01 1.55872e+00 494 2022 5 2.64887e+01 1.31721e+00 661 2022 6 2.99231e+01 1.64113e+00 652 2022 7 3.06673e+01 1.25813e+00 613 2022 8 3.08389e+01 1.52004e+00 585 2022 9 2.79418e+01 2.03501e+00 622 2022 10 2.30958e+01 1.71443e+00 898 2022 11 2.08743e+01 2.74396e+00 442 2022 12 1.61479e+01 3.31414e+00 792 2023 1 1.44945e+01 9.77485e-01 564 2023 2 1.72565e+01 1.77150e+00 548 2023 3 2.05600e+01 2.07048e+00 622 2023 4 2.28151e+01 1.04514e+00 529 2023 5 2.54181e+01 1.65244e+00 619 2023 6 2.79167e+01 1.82486e+00 493 2023 7 3.03446e+01 1.06553e+00 579 2023 8 3.10295e+01 1.10478e+00 675 2023 9 2.92901e+01 1.37806e+00 663 2023 10 2.34031e+01 1.54875e+00 726 2023 11 1.97993e+01 1.69964e+00 560 2023 12 1.46263e+01 1.49309e+00 426 2024 1 1.31965e+01 1.03762e+00 323 2024 2 1.50788e+01 1.09252e+00 511 2024 3 1.97002e+01 1.11859e+00 411 2024 4 2.11841e+01 5.05805e-01 48