YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.76572e+01 2.48727e-02 16 2000 3 1.95008e+01 8.54781e-01 121 2000 4 2.11530e+01 1.27508e+00 139 2000 5 2.44750e+01 1.83994e+00 176 2000 6 2.66554e+01 1.05237e+00 123 2000 7 2.92661e+01 8.46747e-01 101 2000 8 2.94610e+01 3.71649e-01 50 2000 9 2.73572e+01 5.97441e-01 96 2000 10 2.41474e+01 8.24794e-01 256 2000 11 2.21686e+01 2.04285e+00 168 2000 12 1.57982e+01 1.37016e+00 114 2001 1 1.46453e+01 7.25852e-01 97 2001 2 1.75745e+01 9.97626e-01 64 2001 3 1.86436e+01 1.48719e+00 112 2001 4 2.02306e+01 1.62676e+00 144 2001 5 2.37377e+01 1.11365e+00 224 2001 6 2.65464e+01 7.10317e-01 48 2001 7 2.81082e+01 7.83400e-01 80 2001 8 2.85597e+01 8.98197e-01 96 2001 9 2.71678e+01 1.76108e+00 179 2001 10 2.32574e+01 1.76098e+00 184 2001 11 2.06588e+01 5.55463e-01 240 2001 12 2.09285e+01 1.47378e+00 144 2002 1 1.58410e+01 8.39851e-01 39 2002 2 1.62386e+01 4.33137e-01 80 2002 3 1.48276e+01 1.00515e+00 38 2002 4 2.22449e+01 2.22089e+00 175 2002 5 2.54577e+01 8.63976e-01 198 2002 6 2.71426e+01 6.34872e-01 130 2002 7 2.87292e+01 1.38297e+00 548 2002 8 2.90989e+01 9.97004e-01 553 2002 9 2.89038e+01 6.43037e-01 433 2002 10 2.75936e+01 1.39822e+00 590 2002 11 2.22845e+01 2.36428e+00 454 2002 12 1.67378e+01 1.17218e+00 351 2003 1 1.52893e+01 9.28183e-01 481 2003 2 1.58320e+01 1.14894e+00 278 2003 3 1.91173e+01 1.27921e+00 240 2003 4 2.02472e+01 1.80853e+00 579 2003 5 2.50107e+01 1.47089e+00 784 2003 6 2.78776e+01 1.20768e+00 437 2003 7 2.90683e+01 1.23547e+00 383 2003 8 2.84033e+01 1.16176e+00 515 2003 9 2.82550e+01 1.09889e+00 523 2003 10 2.47089e+01 8.56416e-01 705 2003 11 2.25681e+01 1.26073e+00 758 2003 12 1.73273e+01 1.11020e+00 300 2004 1 1.56303e+01 9.88227e-01 394 2004 2 1.49860e+01 8.42863e-01 240 2004 3 1.78608e+01 1.83544e+00 605 2004 4 1.98324e+01 1.20798e+00 556 2004 5 2.49476e+01 1.61507e+00 912 2004 6 2.81408e+01 1.37246e+00 626 2004 7 2.89671e+01 1.26768e+00 614 2004 8 2.92858e+01 1.17640e+00 545 2004 9 2.73269e+01 1.70071e+00 576 2004 10 2.52405e+01 1.30006e+00 668 2004 11 2.26373e+01 2.14096e+00 531 2004 12 1.74437e+01 2.17665e+00 436 2005 1 1.53019e+01 1.07958e+00 323 2005 2 1.56661e+01 6.81825e-01 407 2005 3 1.68502e+01 1.05961e+00 458 2005 4 1.98516e+01 1.26462e+00 636 2005 5 2.41868e+01 2.08654e+00 804 2005 6 2.70758e+01 1.32890e+00 650 2005 7 2.91206e+01 1.62691e+00 606 2005 8 2.93062e+01 1.12386e+00 557 2005 9 2.82157e+01 1.11177e+00 677 2005 10 2.59855e+01 1.70327e+00 778 2005 11 2.16855e+01 1.27265e+00 557 2005 12 1.69023e+01 1.93549e+00 430 2006 1 1.69657e+01 9.74791e-01 374 2006 2 1.64422e+01 1.08883e+00 427 2006 3 1.83742e+01 9.07765e-01 671 2006 4 2.19947e+01 1.82720e+00 710 2006 5 2.40736e+01 1.61949e+00 799 2006 6 2.74875e+01 1.80332e+00 901 2006 7 2.95056e+01 1.41321e+00 678 2006 8 2.98790e+01 1.20524e+00 657 2006 9 2.90736e+01 1.07893e+00 687 2006 10 2.59449e+01 1.78915e+00 653 2006 11 2.01339e+01 1.49822e+00 573 2006 12 1.74347e+01 1.63056e+00 282 2007 1 1.66463e+01 1.29593e+00 172 2007 2 1.47431e+01 8.28088e-01 359 2007 3 1.80962e+01 1.18835e+00 690 2007 4 2.00790e+01 1.24244e+00 541 2007 5 2.32325e+01 9.36446e-01 814 2007 6 2.69307e+01 1.63357e+00 595 2007 7 2.88985e+01 1.14585e+00 474 2007 8 2.94873e+01 1.49378e+00 661 2007 9 2.86199e+01 1.45916e+00 601 2007 10 2.65609e+01 8.19924e-01 541 2007 11 2.12096e+01 1.39810e+00 811 2007 12 1.93642e+01 1.27589e+00 344 2008 1 1.67827e+01 1.82866e+00 394 2008 2 1.69948e+01 1.14658e+00 476 2008 3 1.76304e+01 1.47857e+00 555 2008 4 2.07793e+01 1.29974e+00 612 2008 5 2.41705e+01 1.47523e+00 688 2008 6 2.82191e+01 1.64087e+00 765 2008 7 2.80832e+01 1.81580e+00 559 2008 8 2.78184e+01 1.23587e+00 455 2008 9 2.76299e+01 1.01009e+00 629 2008 10 2.48992e+01 1.40017e+00 768 2008 11 1.93414e+01 1.65493e+00 612 2008 12 1.75947e+01 1.04856e+00 313 2009 1 1.70524e+01 1.44613e+00 499 2009 2 1.54142e+01 8.06033e-01 491 2009 3 1.79973e+01 1.76991e+00 442 2009 4 2.07481e+01 1.53229e+00 644 2009 5 2.46270e+01 1.26976e+00 713 2009 6 2.65873e+01 1.13114e+00 759 2009 7 2.78439e+01 1.17020e+00 555 2009 8 2.88193e+01 1.34703e+00 563 2009 9 2.81770e+01 9.07307e-01 463 2009 10 2.59515e+01 2.13210e+00 619 2009 11 2.14336e+01 1.70322e+00 433 2009 12 1.60839e+01 1.86205e+00 166 2010 1 1.45088e+01 1.53528e+00 442 2010 2 1.42556e+01 1.02916e+00 477 2010 3 1.63370e+01 9.27189e-01 476 2010 4 2.04790e+01 1.34110e+00 482 2010 5 2.55774e+01 2.19002e+00 810 2010 6 2.94888e+01 1.21721e+00 765 2010 7 2.91456e+01 1.17386e+00 600 2010 8 2.89720e+01 1.41644e+00 402 2010 9 2.90995e+01 9.56720e-01 723 2010 10 2.51916e+01 1.20738e+00 958 2010 11 2.14945e+01 1.11208e+00 780 2010 12 1.66256e+01 2.44759e+00 566 2011 1 1.31921e+01 1.04532e+00 465 2011 2 1.39873e+01 1.12982e+00 208 2011 3 1.86836e+01 1.12055e+00 554 2011 4 2.22674e+01 1.29513e+00 736 2011 5 2.47408e+01 1.45023e+00 974 2011 6 2.85890e+01 1.14981e+00 777 2011 7 2.92343e+01 1.34102e+00 479 2011 8 2.96694e+01 1.30259e+00 748 2011 9 2.80017e+01 8.91141e-01 738 2011 10 2.45454e+01 1.75047e+00 770 2011 11 2.05621e+01 9.01706e-01 487 2011 12 1.72999e+01 8.23155e-01 373 2012 1 1.63577e+01 1.23634e+00 492 2012 2 1.62294e+01 1.35061e+00 129 2012 3 2.01794e+01 1.70095e+00 598 2012 4 2.27869e+01 8.68183e-01 872 2012 5 2.59501e+01 1.29041e+00 831 2012 6 2.66819e+01 7.37057e-01 510 2012 7 2.82241e+01 9.97849e-01 622 2012 8 2.84759e+01 1.43679e+00 527 2012 9 2.80190e+01 1.03914e+00 582 2012 10 2.57869e+01 1.21810e+00 845 2012 11 2.03029e+01 1.40667e+00 572 2012 12 1.93951e+01 1.77155e+00 402 2013 1 1.82961e+01 1.06374e+00 317 2013 2 1.80487e+01 8.56756e-01 382 2013 3 1.69281e+01 8.95105e-01 546 2013 4 1.99001e+01 1.59387e+00 416 2013 5 2.35022e+01 1.95888e+00 728 2013 6 2.74921e+01 1.57575e+00 632 2013 7 2.74110e+01 1.34714e+00 219 2013 8 2.91938e+01 1.42972e+00 542 2013 9 2.95145e+01 1.09353e+00 776 2013 10 2.63766e+01 1.20069e+00 658 2013 11 2.14092e+01 2.25441e+00 447 2013 12 1.81538e+01 1.07874e+00 428 2014 1 1.50879e+01 1.26181e+00 394 2014 2 1.44682e+01 1.49471e+00 288 2014 3 1.71355e+01 1.03749e+00 495 2014 4 2.03326e+01 1.35204e+00 455 2014 5 2.41474e+01 1.58290e+00 726 2014 6 2.77778e+01 1.25760e+00 654 2014 7 2.79856e+01 1.37086e+00 668 2014 8 2.94016e+01 8.29042e-01 704 2014 9 2.92591e+01 1.10156e+00 644 2014 10 2.59614e+01 1.33530e+00 962 2014 11 1.98927e+01 2.14382e+00 583 2014 12 1.71900e+01 9.65987e-01 418 2015 1 1.65364e+01 1.35809e+00 416 2015 2 1.55664e+01 8.77770e-01 487 2015 3 1.85200e+01 1.72907e+00 406 2015 4 2.17933e+01 1.76882e+00 348 2015 5 2.55631e+01 2.04678e+00 904 2015 6 2.90077e+01 1.20634e+00 656 2015 7 2.85755e+01 1.24654e+00 557 2015 8 2.94877e+01 1.12398e+00 660 2015 9 2.79992e+01 1.11626e+00 338 2015 10 2.51456e+01 1.25891e+00 742 2015 11 2.27680e+01 2.19574e+00 606 2015 12 1.95325e+01 6.65877e-01 339 2016 1 1.75551e+01 1.71929e+00 358 2016 2 1.64031e+01 9.24212e-01 485 2016 3 1.85600e+01 1.21176e+00 386 2016 4 2.13579e+01 1.19804e+00 628 2016 5 2.39318e+01 2.01044e+00 624 2016 6 2.78130e+01 1.29427e+00 635 2016 7 3.03878e+01 1.19764e+00 774 2016 8 2.94657e+01 1.11826e+00 598 2016 9 2.91189e+01 7.55098e-01 696 2016 10 2.60036e+01 1.45226e+00 838 2016 11 2.21046e+01 1.70062e+00 674 2016 12 1.87896e+01 1.05035e+00 423 2017 1 1.77825e+01 1.70812e+00 401 2017 2 1.85955e+01 8.67255e-01 561 2017 3 1.89988e+01 1.36466e+00 682 2017 4 2.24538e+01 1.03484e+00 643 2017 5 2.47079e+01 1.01392e+00 670 2017 6 2.75976e+01 1.49764e+00 374 2017 7 2.96499e+01 1.38160e+00 629 2017 8 2.98392e+01 1.05841e+00 510 2017 9 2.80459e+01 1.14571e+00 653 2017 10 2.58529e+01 1.32463e+00 756 2017 11 2.17339e+01 1.33165e+00 720 2017 12 1.79626e+01 1.83007e+00 324 2018 1 1.40804e+01 9.72162e-01 362 2018 2 1.85460e+01 2.05120e+00 303 2018 3 1.95316e+01 1.32482e+00 729 2018 4 2.07824e+01 1.09242e+00 681 2018 5 2.48775e+01 1.97037e+00 752 2018 6 2.77581e+01 1.45658e+00 561 2018 7 2.89435e+01 9.67837e-01 533 2018 8 2.91505e+01 1.25848e+00 523 2018 9 2.97763e+01 1.20419e+00 752 2018 10 2.76051e+01 1.80440e+00 786 2018 11 2.15808e+01 1.97034e+00 316 2018 12 1.80930e+01 1.93052e+00 321 2019 1 1.68919e+01 1.40728e+00 465 2019 2 1.71121e+01 2.12928e+00 236 2019 3 1.86752e+01 1.21248e+00 520 2019 4 2.13479e+01 1.56629e+00 515 2019 5 2.64390e+01 1.94000e+00 815 2019 6 2.85313e+01 1.13091e+00 506 2019 7 2.94816e+01 1.68474e+00 543 2019 8 3.00321e+01 8.39078e-01 449 2019 9 2.93836e+01 8.28350e-01 875 2019 10 2.77446e+01 1.33028e+00 558 2019 11 2.09098e+01 1.87784e+00 608 2019 12 1.81388e+01 1.13181e+00 363 2020 1 1.79617e+01 1.36424e+00 536 2020 2 1.73684e+01 1.11634e+00 453 2020 3 2.14122e+01 2.53809e+00 603 2020 4 2.21360e+01 1.16649e+00 499 2020 5 2.37219e+01 1.43040e+00 768 2020 6 2.86713e+01 1.16790e+00 514 2020 7 2.85171e+01 1.12334e+00 486 2020 8 3.03379e+01 6.50651e-01 418 2020 9 2.87742e+01 1.54042e+00 510 2020 10 2.57752e+01 8.17773e-01 564 2020 11 2.25839e+01 1.56473e+00 736 2020 12 1.73034e+01 1.43294e+00 720 2021 1 1.57599e+01 1.32612e+00 417 2021 2 1.65849e+01 1.22023e+00 432 2021 3 1.81153e+01 9.33978e-01 426 2021 4 2.09935e+01 1.17945e+00 640 2021 5 2.44752e+01 1.23745e+00 696 2021 6 2.75719e+01 9.49018e-01 327 2021 7 2.94706e+01 8.94968e-01 463 2021 8 2.97961e+01 1.24491e+00 452 2021 9 2.82962e+01 9.32434e-01 495 2021 10 2.68288e+01 1.14680e+00 455 2021 11 2.10923e+01 1.36562e+00 773 2021 12 1.91480e+01 9.88425e-01 575 2022 1 1.71193e+01 2.34732e+00 600 2022 2 1.64547e+01 1.92626e+00 510 2022 3 1.90875e+01 1.01764e+00 725 2022 4 2.19308e+01 8.22225e-01 417 2022 5 2.51678e+01 1.09235e+00 744 2022 6 2.91368e+01 1.32700e+00 725 2022 7 3.00866e+01 1.08914e+00 618 2022 8 3.04700e+01 9.66033e-01 505 2022 9 2.89727e+01 1.02964e+00 539 2022 10 2.51709e+01 1.51764e+00 740 2022 11 2.23100e+01 1.44637e+00 403 2022 12 1.90696e+01 2.13947e+00 594 2023 1 1.80174e+01 1.24494e+00 694 2023 2 1.83908e+01 1.32148e+00 581 2023 3 2.08875e+01 1.15903e+00 725 2023 4 2.21659e+01 7.60043e-01 452 2023 5 2.48845e+01 1.60363e+00 688 2023 6 2.69826e+01 1.42546e+00 671 2023 7 2.92995e+01 1.17693e+00 602 2023 8 3.06521e+01 9.61431e-01 687 2023 9 3.01222e+01 1.00435e+00 670 2023 10 2.50006e+01 1.31386e+00 750 2023 11 2.14844e+01 1.39970e+00 574 2023 12 1.63371e+01 1.29666e+00 330 2024 1 1.52437e+01 7.82653e-01 355 2024 2 1.67941e+01 7.51776e-01 520 2024 3 1.91349e+01 1.39861e+00 389 2024 4 2.05177e+01 5.46889e-01 48