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 6.15214e+01 1.53687e-01 384 2002 8 5.86317e+01 9.79254e-01 267 2002 9 5.18703e+01 2.21574e+00 322 2002 10 4.55120e+01 2.41073e+00 850 2002 11 3.86010e+01 1.91075e+00 622 2002 12 3.37136e+01 5.65650e-01 500 2003 1 3.56560e+01 1.42142e+00 671 2003 2 4.23359e+01 2.45682e+00 559 2003 3 5.17657e+01 2.51709e+00 721 2003 4 5.75469e+01 9.07685e-01 422 2003 5 6.19441e+01 5.98212e-01 414 2003 6 6.27910e+01 3.71079e-02 128 2003 7 6.17654e+01 5.42583e-01 380 2003 8 5.81804e+01 4.27254e-01 248 2003 9 5.28226e+01 1.48180e+00 384 2003 10 4.54680e+01 2.06740e+00 752 2003 11 3.71047e+01 1.22310e+00 450 2003 12 3.34272e+01 4.89315e-01 425 2004 1 3.61778e+01 1.29376e+00 562 2004 2 4.37444e+01 2.78270e+00 597 2004 3 5.18391e+01 2.62688e+00 492 2004 4 5.77376e+01 1.19155e+00 367 2004 5 6.18440e+01 1.01936e+00 353 2004 6 6.28051e+01 7.93512e-02 643 2004 7 6.18579e+01 6.93894e-01 454 2004 8 5.78499e+01 1.28681e+00 330 2004 9 5.11670e+01 1.48288e+00 322 2004 10 4.41427e+01 1.94486e+00 441 2004 11 3.84100e+01 1.27411e+00 208 2004 12 3.36754e+01 6.89486e-01 411 2005 1 3.62777e+01 1.39049e+00 513 2005 2 4.26995e+01 1.51100e+00 426 2005 3 5.13956e+01 2.58154e+00 468 2005 4 5.70232e+01 1.41105e+00 448 2005 5 6.22503e+01 4.48612e-01 498 2005 6 6.28023e+01 1.23808e-01 211 2005 7 6.13582e+01 5.07942e-01 322 2005 8 5.88015e+01 1.22448e+00 673 2005 9 5.32878e+01 1.65789e+00 662 2005 10 4.64777e+01 1.94542e+00 570 2005 11 3.80733e+01 1.94458e+00 565 2005 12 3.35806e+01 5.31821e-01 834 2006 1 3.50265e+01 1.27642e+00 609 2006 2 4.36879e+01 2.06952e+00 829 2006 3 5.14585e+01 2.94048e+00 468 2006 4 5.74610e+01 1.59006e+00 589 2006 5 6.18405e+01 5.85111e-01 384 2006 6 6.29080e+01 1.31993e-01 373 2006 7 6.13125e+01 6.43246e-01 315 2006 8 5.85427e+01 1.16533e+00 270 2006 9 5.25156e+01 1.59397e+00 542 2006 10 4.50305e+01 1.78731e+00 410 2006 11 3.74841e+01 1.40360e+00 524 2006 12 3.41717e+01 4.91283e-01 111 2007 1 3.62321e+01 2.00629e+00 471 2007 2 4.34554e+01 1.97057e+00 433 2007 3 5.11727e+01 1.99288e+00 222 2007 4 5.65858e+01 1.01022e+00 517 2007 5 6.14829e+01 9.06726e-01 375 2007 6 6.29036e+01 8.84567e-02 448 2007 7 6.15324e+01 4.22175e-01 581 2007 8 5.94019e+01 1.09878e+00 325 2007 9 5.29895e+01 1.68747e+00 439 2007 10 4.61447e+01 2.16065e+00 332 2007 11 3.82323e+01 1.84449e+00 725 2007 12 3.38981e+01 7.16637e-01 500 2008 1 3.56595e+01 1.78778e+00 506 2008 2 4.31309e+01 3.00502e+00 641 2008 3 5.06379e+01 1.83719e+00 196 2008 4 5.69604e+01 1.36998e+00 306 2008 5 6.16503e+01 4.91407e-01 411 2008 6 6.28892e+01 8.80901e-02 264 2008 7 6.09011e+01 5.39978e-01 333 2008 8 5.92524e+01 1.08178e+00 455 2008 9 5.24751e+01 1.44542e+00 389 2008 10 4.68009e+01 1.77691e+00 439 2008 11 3.72701e+01 1.84955e+00 621 2008 12 3.35100e+01 5.07889e-01 402 2009 1 3.66529e+01 1.72736e+00 696 2009 2 4.28611e+01 2.00639e+00 575 2009 3 5.04108e+01 1.63013e+00 478 2009 4 5.70501e+01 1.00187e+00 492 2009 5 6.16648e+01 5.24596e-01 582 2009 6 6.29094e+01 1.12351e-01 448 2009 7 6.18702e+01 5.44473e-01 174 2009 8 5.89812e+01 1.50508e+00 491 2009 9 5.13440e+01 1.15009e+00 387 2009 10 4.58704e+01 2.51820e+00 900 2009 11 3.74385e+01 1.57614e+00 625 2009 12 3.35526e+01 1.82665e-01 259 2010 1 3.66138e+01 1.46891e+00 360 2010 2 4.47084e+01 2.10055e+00 478 2010 3 5.20886e+01 2.58496e+00 606 2010 4 5.70218e+01 1.38150e+00 440 2010 5 6.16416e+01 8.46440e-01 448 2010 6 6.28299e+01 8.43665e-02 704 2010 7 6.12149e+01 6.06142e-01 379 2010 8 5.84344e+01 1.39914e+00 375 2010 9 5.39348e+01 1.67191e+00 208 2010 10 4.67702e+01 2.14720e+00 749 2010 11 3.80943e+01 1.60862e+00 666 2010 12 3.36830e+01 6.07769e-01 744 2011 1 3.61865e+01 1.95016e+00 445 2011 2 4.37913e+01 2.40392e+00 736 2011 3 5.24498e+01 2.18909e+00 715 2011 4 5.73680e+01 1.40564e+00 587 2011 5 6.19820e+01 4.98202e-01 602 2011 6 6.29562e+01 1.05737e-01 389 2011 7 6.12246e+01 4.38222e-01 561 2011 8 5.90051e+01 1.34993e+00 294 2011 9 5.22899e+01 1.77941e+00 757 2011 10 4.64609e+01 1.97196e+00 541 2011 11 3.86392e+01 2.01061e+00 578 2011 12 3.37297e+01 7.00311e-01 609 2012 1 3.58564e+01 1.51983e+00 377 2012 2 4.50684e+01 9.55508e-01 395 2012 3 5.27957e+01 1.60357e+00 374 2012 4 5.68247e+01 1.26853e+00 566 2012 5 6.14796e+01 4.57568e-01 320 2012 6 6.28525e+01 1.00459e-01 212 2012 7 6.16336e+01 8.65800e-01 399 2012 8 5.91073e+01 1.01877e+00 333 2012 9 5.30778e+01 2.24050e+00 621 2012 10 4.40924e+01 2.02567e+00 667 2012 11 3.82522e+01 1.77937e+00 758 2012 12 3.33489e+01 2.36097e-01 301 2013 1 3.49022e+01 1.20819e+00 338 2013 2 4.37718e+01 2.35298e+00 647 2013 3 5.22639e+01 2.53438e+00 626 2013 4 5.73126e+01 1.56494e+00 203 2013 5 6.18086e+01 3.37428e-01 459 2013 6 6.28097e+01 2.05732e-01 107 2013 7 6.14423e+01 7.13521e-01 439 2013 8 5.87835e+01 9.29739e-01 384 2013 9 5.28419e+01 1.85953e+00 440 2013 10 4.60564e+01 1.93004e+00 649 2013 11 3.84813e+01 1.94745e+00 348 2013 12 3.39362e+01 7.01365e-01 347 2014 1 3.66924e+01 1.29145e+00 512 2014 2 4.26580e+01 2.01933e+00 705 2014 3 5.10219e+01 1.98424e+00 670 2014 4 5.87798e+01 8.66378e-01 382 2014 5 6.14053e+01 6.46369e-01 192 2014 6 6.28170e+01 7.90777e-02 629 2014 7 6.10943e+01 3.92848e-01 382 2014 8 5.89506e+01 1.09383e+00 460 2014 9 5.36554e+01 2.52597e+00 244 2014 10 4.47289e+01 2.32132e+00 761 2014 11 3.77071e+01 1.99475e+00 655 2014 12 3.35452e+01 3.92363e-01 572 2015 1 3.61186e+01 1.72613e+00 633 2015 2 4.33156e+01 2.02288e+00 591 2015 3 5.17642e+01 2.27341e+00 837 2015 4 5.67127e+01 1.29014e+00 324 2015 5 6.14328e+01 7.60566e-01 508 2015 6 6.27842e+01 9.35324e-02 468 2015 7 6.13644e+01 4.21582e-01 415 2015 8 5.92063e+01 8.34277e-01 352 2015 9 5.31520e+01 2.74385e+00 318 2015 10 4.50801e+01 2.33946e+00 565 2015 11 3.91468e+01 1.29284e+00 466 2015 12 3.31749e+01 1.72631e-01 329 2016 1 3.58600e+01 1.74743e+00 256 2016 2 4.42484e+01 2.17374e+00 584 2016 3 5.12605e+01 2.61842e+00 384 2016 4 5.65347e+01 1.11058e+00 384 2016 5 6.18861e+01 4.06361e-01 334 2016 6 6.26420e+01 9.69549e-02 349 2016 7 6.14774e+01 5.11981e-01 368 2016 8 5.82545e+01 1.00662e+00 311 2016 9 5.19434e+01 1.80843e+00 605 2016 10 4.55724e+01 1.26555e+00 202 2016 11 3.76034e+01 1.65697e+00 243 2016 12 3.34425e+01 4.81906e-01 506 2017 1 3.69790e+01 1.15626e+00 347 2017 2 4.26312e+01 2.00412e+00 565 2017 3 5.29674e+01 1.66027e+00 396 2017 4 5.92586e+01 2.20361e-01 192 2017 5 6.16035e+01 7.69481e-01 435 2017 6 6.27760e+01 1.11607e-01 360 2017 7 6.16042e+01 5.37599e-01 452 2017 8 5.87589e+01 1.13984e+00 398 2017 9 5.24312e+01 1.53566e+00 572 2017 10 4.51943e+01 2.38108e+00 372 2017 11 3.73206e+01 1.84107e+00 523 2017 12 3.32939e+01 4.31092e-01 1033 2018 1 3.50096e+01 1.04291e+00 311 2018 2 4.34059e+01 1.87002e+00 666 2018 3 5.21081e+01 2.50522e+00 881 2018 4 5.77262e+01 1.00060e+00 291 2018 5 6.09539e+01 1.14216e-03 64 2018 6 6.27201e+01 5.60695e-02 169 2018 7 6.16833e+01 6.28764e-01 512 2018 8 5.85788e+01 1.04063e+00 442 2018 9 5.23607e+01 1.60323e+00 540 2018 10 4.50755e+01 1.53259e+00 465 2018 11 3.86656e+01 1.66594e+00 377 2018 12 3.34260e+01 5.42430e-01 566 2019 1 3.59299e+01 1.40881e+00 745 2019 2 4.32982e+01 2.75085e+00 877 2019 3 5.12184e+01 2.58773e+00 545 2019 4 5.81156e+01 1.30856e+00 552 2019 5 6.18711e+01 6.33934e-01 504 2019 6 6.28349e+01 7.19384e-02 482 2019 7 6.11277e+01 5.62944e-01 532 2019 8 5.87914e+01 4.89796e-01 388 2019 9 5.31009e+01 1.99932e+00 361 2019 10 4.51745e+01 2.05496e+00 732 2019 11 3.79285e+01 1.77805e+00 731 2019 12 3.39388e+01 7.11102e-01 342 2020 1 3.60475e+01 1.47192e+00 760 2020 2 4.38299e+01 2.79108e+00 342 2020 3 5.33076e+01 1.55373e+00 476 2020 4 5.72830e+01 1.73034e+00 512 2020 5 6.17513e+01 6.97626e-01 391 2020 6 6.27373e+01 5.04728e-02 138 2020 7 6.16818e+01 8.16468e-01 448 2020 8 5.83151e+01 1.13660e+00 851 2020 9 5.22640e+01 2.06831e+00 330 2020 10 4.46774e+01 2.36856e+00 568 2020 11 3.62925e+01 1.09354e+00 222 2020 12 3.35096e+01 3.23124e-01 492 2021 1 3.54677e+01 1.54006e+00 640 2021 2 4.34943e+01 2.68344e+00 384 2021 3 5.20988e+01 2.92128e+00 754 2021 4 5.78529e+01 1.19252e+00 448 2021 5 6.15479e+01 1.11246e+00 272 2021 6 6.27451e+01 6.18528e-02 192 2021 7 6.15831e+01 7.48045e-01 543 2021 8 5.82157e+01 1.35661e+00 467 2021 9 5.26249e+01 2.14855e+00 590 2021 10 4.60605e+01 2.24945e+00 454 2021 11 3.74938e+01 2.25477e+00 601 2021 12 3.36193e+01 5.96944e-01 857 2022 1 3.54652e+01 1.60673e+00 717 2022 2 4.38614e+01 2.62013e+00 714 2022 3 5.14756e+01 1.26896e+00 164 2022 4 5.76899e+01 3.33747e-01 67 2022 5 6.17109e+01 8.77649e-01 566 2022 6 6.27988e+01 1.17828e-01 630 2022 7 6.19570e+01 4.38910e-01 356 2022 8 5.88811e+01 1.40428e+00 485 2022 9 5.32842e+01 2.05312e+00 662 2022 10 4.50004e+01 2.43619e+00 379 2022 11 3.75603e+01 1.90763e+00 621 2022 12 3.34213e+01 4.34044e-01 530 2023 1 3.52681e+01 9.88621e-01 706 2023 2 4.39178e+01 2.52383e+00 727 2023 3 5.07227e+01 2.46317e+00 724 2023 4 5.78707e+01 1.08302e+00 482 2023 5 6.12868e+01 7.66077e-01 412 2023 6 6.28359e+01 9.13551e-02 378 2023 7 6.16284e+01 7.66943e-01 286 2023 8 5.85270e+01 1.13491e+00 400 2023 9 5.31445e+01 2.13049e+00 551 2023 10 4.52124e+01 1.91039e+00 275 2023 11 3.81927e+01 1.80217e+00 408 2023 12 3.34284e+01 5.49657e-01 265 2024 1 3.72833e+01 1.67306e+00 194 2024 2 4.41652e+01 2.64564e+00 430 2024 3 5.38302e+01 1.11491e+00 316 2024 4 nan nan 0