YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.71881e+01 1.59958e-02 16 2000 3 1.96401e+01 1.19674e+00 166 2000 4 2.21165e+01 1.01169e+00 144 2000 5 2.56314e+01 2.40497e+00 196 2000 6 2.78473e+01 1.33172e+00 100 2000 7 3.00442e+01 8.59264e-01 128 2000 8 2.92352e+01 2.49082e-01 32 2000 9 2.69234e+01 7.28152e-01 82 2000 10 2.27803e+01 1.40056e+00 231 2000 11 2.04174e+01 3.02585e+00 124 2000 12 1.62435e+01 3.15593e-01 17 2001 1 1.28979e+01 2.84538e-01 17 2001 2 1.69267e+01 4.18606e-01 32 2001 3 1.73580e+01 1.44173e+00 87 2001 4 2.11562e+01 2.06151e+00 144 2001 5 2.46366e+01 1.56137e+00 212 2001 6 2.71314e+01 1.15515e+00 48 2001 7 2.79926e+01 1.07733e+00 48 2001 8 2.81354e+01 1.39196e+00 113 2001 9 2.64438e+01 1.97342e+00 132 2001 10 2.23492e+01 1.59712e+00 208 2001 11 1.97213e+01 7.84791e-01 207 2001 12 1.92225e+01 1.92698e+00 177 2002 1 1.35100e+01 1.83712e-02 16 2002 2 1.52849e+01 4.62962e-01 84 2002 3 1.70591e+01 2.70917e+00 32 2002 4 2.34015e+01 2.28683e+00 130 2002 5 2.65680e+01 1.41607e+00 144 2002 6 2.75517e+01 9.59965e-01 141 2002 7 2.93231e+01 9.01184e-01 429 2002 8 2.92026e+01 9.48806e-01 432 2002 9 2.84099e+01 7.55920e-01 338 2002 10 2.72297e+01 1.90812e+00 523 2002 11 2.03469e+01 2.52290e+00 532 2002 12 1.53081e+01 1.15860e+00 234 2003 1 1.31988e+01 9.26385e-01 312 2003 2 1.44378e+01 1.21473e+00 232 2003 3 1.97588e+01 2.32030e+00 220 2003 4 2.07469e+01 1.74600e+00 563 2003 5 2.59735e+01 1.38971e+00 649 2003 6 2.80486e+01 1.46908e+00 389 2003 7 2.93212e+01 1.46759e+00 422 2003 8 2.86611e+01 1.26348e+00 357 2003 9 2.82011e+01 8.33333e-01 563 2003 10 2.37040e+01 1.03861e+00 599 2003 11 2.18360e+01 1.71581e+00 707 2003 12 1.59423e+01 1.14972e+00 212 2004 1 1.39199e+01 1.24358e+00 218 2004 2 1.36062e+01 7.41551e-01 181 2004 3 1.81723e+01 1.94107e+00 599 2004 4 1.99746e+01 1.71684e+00 617 2004 5 2.52858e+01 1.99806e+00 811 2004 6 2.89201e+01 1.47095e+00 627 2004 7 2.98602e+01 1.51970e+00 494 2004 8 2.97510e+01 1.12238e+00 655 2004 9 2.69501e+01 1.91025e+00 561 2004 10 2.50810e+01 1.69547e+00 613 2004 11 2.18673e+01 2.24966e+00 501 2004 12 1.66364e+01 2.18323e+00 283 2005 1 1.40489e+01 1.47739e+00 247 2005 2 1.47620e+01 9.38816e-01 343 2005 3 1.65567e+01 1.60760e+00 449 2005 4 2.05558e+01 1.52694e+00 583 2005 5 2.48686e+01 2.44406e+00 768 2005 6 2.80518e+01 1.72956e+00 561 2005 7 2.91707e+01 1.78596e+00 607 2005 8 2.89759e+01 1.87415e+00 530 2005 9 2.80958e+01 1.23670e+00 652 2005 10 2.47103e+01 2.56853e+00 695 2005 11 2.03052e+01 1.93172e+00 520 2005 12 1.57280e+01 1.89902e+00 238 2006 1 1.56656e+01 1.17835e+00 386 2006 2 1.46861e+01 1.31711e+00 315 2006 3 1.82899e+01 1.36057e+00 721 2006 4 2.28936e+01 2.20579e+00 757 2006 5 2.53472e+01 1.66624e+00 751 2006 6 2.83706e+01 1.44152e+00 660 2006 7 2.99375e+01 1.22872e+00 529 2006 8 3.00568e+01 1.05770e+00 614 2006 9 2.85474e+01 1.30364e+00 662 2006 10 2.47167e+01 2.25874e+00 569 2006 11 1.84761e+01 1.79338e+00 413 2006 12 1.58801e+01 1.12710e+00 154 2007 1 1.48212e+01 1.24502e+00 136 2007 2 1.39767e+01 1.36537e+00 342 2007 3 1.81753e+01 1.73255e+00 677 2007 4 2.04192e+01 1.84678e+00 592 2007 5 2.40224e+01 8.91024e-01 888 2007 6 2.74421e+01 1.43035e+00 545 2007 7 2.97329e+01 1.34359e+00 478 2007 8 2.97708e+01 1.49748e+00 596 2007 9 2.83489e+01 1.35227e+00 512 2007 10 2.54798e+01 1.91555e+00 436 2007 11 1.96152e+01 1.32256e+00 654 2007 12 1.72370e+01 1.18841e+00 277 2008 1 1.36295e+01 1.56626e+00 239 2008 2 1.63133e+01 1.37489e+00 323 2008 3 1.73219e+01 1.71343e+00 495 2008 4 2.14719e+01 1.63963e+00 590 2008 5 2.48674e+01 1.46099e+00 658 2008 6 2.89259e+01 1.17180e+00 632 2008 7 2.93895e+01 1.08609e+00 545 2008 8 2.83794e+01 9.94022e-01 314 2008 9 2.76789e+01 1.43053e+00 580 2008 10 2.36927e+01 2.00536e+00 694 2008 11 1.77940e+01 1.75525e+00 622 2008 12 1.60346e+01 1.48284e+00 280 2009 1 1.49998e+01 1.96919e+00 421 2009 2 1.42476e+01 1.34305e+00 439 2009 3 1.79437e+01 2.42307e+00 440 2009 4 2.11892e+01 1.75506e+00 529 2009 5 2.53939e+01 1.50735e+00 651 2009 6 2.86707e+01 1.94818e+00 764 2009 7 2.88662e+01 1.18173e+00 572 2009 8 2.92341e+01 1.32243e+00 489 2009 9 2.79295e+01 1.31656e+00 473 2009 10 2.58250e+01 2.51539e+00 545 2009 11 1.97210e+01 1.85128e+00 363 2009 12 1.38970e+01 1.67279e+00 131 2010 1 1.23191e+01 2.28882e+00 344 2010 2 1.21551e+01 1.38758e+00 393 2010 3 1.49782e+01 2.06024e+00 442 2010 4 2.09403e+01 1.65562e+00 478 2010 5 2.64120e+01 2.03710e+00 796 2010 6 3.02145e+01 1.25421e+00 702 2010 7 2.95027e+01 1.55067e+00 591 2010 8 2.90259e+01 1.49684e+00 424 2010 9 2.88767e+01 1.25178e+00 681 2010 10 2.44239e+01 1.21402e+00 876 2010 11 2.00064e+01 1.26794e+00 709 2010 12 1.43597e+01 2.82934e+00 474 2011 1 1.12820e+01 1.10317e+00 409 2011 2 1.39994e+01 2.62555e+00 232 2011 3 1.88892e+01 1.58955e+00 530 2011 4 2.27613e+01 1.54906e+00 771 2011 5 2.52966e+01 1.64906e+00 936 2011 6 2.92686e+01 1.40021e+00 739 2011 7 2.98038e+01 7.67880e-01 440 2011 8 3.04945e+01 1.01264e+00 707 2011 9 2.76671e+01 8.24734e-01 770 2011 10 2.35858e+01 2.05352e+00 687 2011 11 1.89149e+01 9.08838e-01 411 2011 12 1.59211e+01 5.91341e-01 323 2012 1 1.52807e+01 1.21928e+00 383 2012 2 1.59784e+01 1.47751e+00 138 2012 3 2.09246e+01 2.33021e+00 589 2012 4 2.30706e+01 9.46908e-01 866 2012 5 2.65655e+01 1.54298e+00 851 2012 6 2.73264e+01 1.27858e+00 458 2012 7 2.83122e+01 1.27052e+00 581 2012 8 2.90570e+01 1.49180e+00 431 2012 9 2.76260e+01 1.38167e+00 628 2012 10 2.46547e+01 2.20062e+00 722 2012 11 1.84847e+01 1.34688e+00 550 2012 12 1.67973e+01 1.37480e+00 313 2013 1 1.60781e+01 1.09471e+00 177 2013 2 1.63033e+01 7.31791e-01 251 2013 3 1.59313e+01 1.32286e+00 601 2013 4 2.06067e+01 1.91366e+00 410 2013 5 2.43520e+01 2.04731e+00 743 2013 6 2.81985e+01 1.43864e+00 597 2013 7 2.69732e+01 1.96387e+00 263 2013 8 2.92425e+01 1.90065e+00 491 2013 9 2.90280e+01 1.26470e+00 626 2013 10 2.56713e+01 1.61067e+00 593 2013 11 2.03640e+01 2.51322e+00 418 2013 12 1.65118e+01 1.91874e+00 320 2014 1 1.30353e+01 1.07638e+00 229 2014 2 1.42499e+01 1.73753e+00 233 2014 3 1.73097e+01 1.64626e+00 498 2014 4 2.05458e+01 2.02588e+00 528 2014 5 2.48306e+01 1.94438e+00 601 2014 6 2.84111e+01 1.62571e+00 557 2014 7 2.87829e+01 1.11630e+00 634 2014 8 3.01107e+01 1.02850e+00 660 2014 9 2.89611e+01 1.26821e+00 540 2014 10 2.50750e+01 1.58460e+00 863 2014 11 1.73703e+01 2.44987e+00 517 2014 12 1.60200e+01 1.01267e+00 323 2015 1 1.45917e+01 1.08830e+00 246 2015 2 1.42193e+01 1.23798e+00 450 2015 3 1.92485e+01 2.15840e+00 402 2015 4 2.18140e+01 1.88725e+00 319 2015 5 2.62778e+01 2.06732e+00 816 2015 6 2.90489e+01 1.59624e+00 523 2015 7 2.97835e+01 1.19325e+00 487 2015 8 3.02124e+01 1.42810e+00 626 2015 9 2.79677e+01 1.22287e+00 361 2015 10 2.41785e+01 1.49848e+00 633 2015 11 2.18824e+01 2.48457e+00 529 2015 12 1.81523e+01 8.61409e-01 294 2016 1 1.53585e+01 1.32680e+00 344 2016 2 1.51488e+01 1.65000e+00 441 2016 3 1.87350e+01 1.43679e+00 372 2016 4 2.18564e+01 1.45631e+00 570 2016 5 2.53372e+01 1.55038e+00 719 2016 6 2.89483e+01 1.38414e+00 629 2016 7 3.07167e+01 1.12231e+00 716 2016 8 3.00823e+01 8.12954e-01 438 2016 9 2.90541e+01 7.78588e-01 596 2016 10 2.55648e+01 1.74305e+00 744 2016 11 2.10598e+01 2.01002e+00 572 2016 12 1.74072e+01 1.10173e+00 284 2017 1 1.68855e+01 1.39276e+00 356 2017 2 1.78387e+01 1.67097e+00 528 2017 3 1.89215e+01 1.66934e+00 638 2017 4 2.26419e+01 1.32707e+00 616 2017 5 2.48218e+01 1.39632e+00 541 2017 6 2.76880e+01 1.89853e+00 310 2017 7 3.02315e+01 1.59922e+00 547 2017 8 3.02069e+01 1.42976e+00 540 2017 9 2.78661e+01 1.42064e+00 549 2017 10 2.48923e+01 2.04373e+00 701 2017 11 2.04478e+01 1.58748e+00 715 2017 12 1.63463e+01 2.24706e+00 280 2018 1 1.17362e+01 1.25157e+00 314 2018 2 1.82944e+01 2.82341e+00 362 2018 3 1.89641e+01 1.84611e+00 690 2018 4 2.14139e+01 9.89854e-01 646 2018 5 2.54615e+01 1.96151e+00 686 2018 6 2.86373e+01 2.00289e+00 526 2018 7 3.00340e+01 1.13547e+00 487 2018 8 2.95097e+01 1.11423e+00 466 2018 9 2.93737e+01 1.48877e+00 682 2018 10 2.64213e+01 2.00041e+00 766 2018 11 1.96247e+01 2.02464e+00 276 2018 12 1.57608e+01 1.53523e+00 236 2019 1 1.56322e+01 1.91689e+00 493 2019 2 1.75198e+01 1.86526e+00 233 2019 3 1.80617e+01 1.56509e+00 441 2019 4 2.15656e+01 1.51020e+00 564 2019 5 2.70562e+01 2.30922e+00 797 2019 6 2.92854e+01 1.51113e+00 427 2019 7 2.98937e+01 1.53078e+00 478 2019 8 3.03585e+01 9.73825e-01 446 2019 9 2.94371e+01 9.24603e-01 699 2019 10 2.76567e+01 1.66974e+00 592 2019 11 1.97162e+01 2.39181e+00 542 2019 12 1.63004e+01 1.36220e+00 344 2020 1 1.58419e+01 1.31590e+00 484 2020 2 1.62810e+01 1.43137e+00 504 2020 3 2.21877e+01 3.50962e+00 605 2020 4 2.30411e+01 8.69340e-01 440 2020 5 2.45562e+01 1.58016e+00 711 2020 6 2.88201e+01 1.38011e+00 496 2020 7 2.90675e+01 1.05739e+00 430 2020 8 3.04495e+01 8.63259e-01 375 2020 9 2.90531e+01 1.93916e+00 378 2020 10 2.52658e+01 1.16688e+00 490 2020 11 2.15814e+01 1.57750e+00 690 2020 12 1.55739e+01 1.45392e+00 608 2021 1 1.47367e+01 1.30208e+00 320 2021 2 1.52368e+01 1.80418e+00 416 2021 3 1.82071e+01 1.19677e+00 404 2021 4 2.10425e+01 1.43645e+00 596 2021 5 2.49493e+01 1.36049e+00 632 2021 6 2.78947e+01 1.19313e+00 355 2021 7 2.96451e+01 1.52827e+00 424 2021 8 2.98617e+01 1.35966e+00 392 2021 9 2.80032e+01 1.14562e+00 572 2021 10 2.61398e+01 1.40339e+00 502 2021 11 1.94126e+01 1.37038e+00 745 2021 12 1.77762e+01 1.19647e+00 411 2022 1 1.52546e+01 2.62486e+00 617 2022 2 1.53995e+01 2.48004e+00 409 2022 3 1.90806e+01 1.35877e+00 662 2022 4 2.23999e+01 1.29986e+00 346 2022 5 2.61112e+01 1.15472e+00 708 2022 6 2.98836e+01 1.83324e+00 633 2022 7 3.04262e+01 9.52790e-01 541 2022 8 3.06801e+01 1.14367e+00 487 2022 9 2.84741e+01 1.68968e+00 617 2022 10 2.38018e+01 1.65164e+00 717 2022 11 2.11866e+01 2.17785e+00 402 2022 12 1.71275e+01 3.02271e+00 554 2023 1 1.56717e+01 1.23300e+00 672 2023 2 1.76683e+01 1.69753e+00 687 2023 3 2.03009e+01 1.68294e+00 587 2023 4 2.25708e+01 9.76506e-01 446 2023 5 2.50612e+01 1.89224e+00 629 2023 6 2.79575e+01 1.87490e+00 530 2023 7 3.07823e+01 9.89646e-01 659 2023 8 3.11226e+01 9.58259e-01 682 2023 9 2.97204e+01 1.20447e+00 667 2023 10 2.37709e+01 1.75606e+00 737 2023 11 2.03251e+01 1.59260e+00 531 2023 12 1.45904e+01 1.13913e+00 332 2024 1 1.37401e+01 9.68621e-01 414 2024 2 1.54739e+01 1.46421e+00 512 2024 3 1.93524e+01 1.30687e+00 405 2024 4 2.06493e+01 6.23325e-01 48