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 6.07869e+01 3.95763e-01 427 2002 8 5.83793e+01 7.12619e-01 212 2002 9 5.29874e+01 1.79818e+00 388 2002 10 4.48391e+01 2.27229e+00 734 2002 11 3.83926e+01 1.87197e+00 594 2002 12 3.43920e+01 3.98575e-01 685 2003 1 3.67040e+01 1.52383e+00 589 2003 2 4.30913e+01 2.17382e+00 830 2003 3 5.11004e+01 2.05986e+00 691 2003 4 5.89082e+01 8.19523e-01 354 2003 5 6.11467e+01 5.74963e-01 336 2003 6 6.17741e+01 4.12532e-02 192 2003 7 6.07509e+01 2.90214e-01 192 2003 8 5.88350e+01 9.71691e-01 381 2003 9 5.37699e+01 1.78538e+00 355 2003 10 4.64997e+01 2.91910e+00 433 2003 11 3.74738e+01 1.26316e+00 385 2003 12 3.45142e+01 4.37887e-01 386 2004 1 3.66891e+01 1.08255e+00 525 2004 2 4.41565e+01 2.33402e+00 682 2004 3 5.24850e+01 2.33956e+00 618 2004 4 5.89980e+01 9.98538e-01 524 2004 5 6.14569e+01 7.47078e-01 256 2004 6 6.19031e+01 1.57710e-01 476 2004 7 6.11107e+01 4.66707e-01 446 2004 8 5.83341e+01 1.27327e+00 546 2004 9 5.09956e+01 1.38308e+00 215 2004 10 4.53127e+01 2.29942e+00 478 2004 11 3.84047e+01 1.52780e+00 527 2004 12 3.44165e+01 3.68552e-01 575 2005 1 3.74215e+01 1.36812e+00 891 2005 2 4.31113e+01 1.70100e+00 664 2005 3 5.20628e+01 2.28246e+00 603 2005 4 5.82194e+01 1.12065e+00 576 2005 5 6.17951e+01 3.52506e-01 429 2005 6 6.18604e+01 1.62667e-01 320 2005 7 6.11170e+01 2.55680e-01 193 2005 8 5.84369e+01 1.74133e+00 510 2005 9 5.40353e+01 1.61389e+00 512 2005 10 4.68373e+01 2.50100e+00 563 2005 11 3.86954e+01 1.81087e+00 828 2005 12 3.44690e+01 3.81855e-01 795 2006 1 3.65975e+01 1.75972e+00 918 2006 2 4.37255e+01 1.93113e+00 703 2006 3 5.13045e+01 2.27683e+00 614 2006 4 5.82190e+01 1.45328e+00 608 2006 5 6.14417e+01 5.21586e-01 620 2006 6 6.19972e+01 1.13726e-01 426 2006 7 6.01607e+01 1.06969e+00 186 2006 8 5.89179e+01 1.02803e+00 185 2006 9 5.24638e+01 1.63564e+00 430 2006 10 4.56087e+01 1.69006e+00 535 2006 11 3.78966e+01 1.33740e+00 473 2006 12 3.46656e+01 3.65127e-01 284 2007 1 3.66415e+01 1.56987e+00 525 2007 2 4.42486e+01 1.97398e+00 451 2007 3 4.97923e+01 1.74735e+00 434 2007 4 5.80615e+01 1.24662e+00 366 2007 5 6.09028e+01 5.27597e-01 305 2007 6 6.20171e+01 1.47999e-01 400 2007 7 6.09537e+01 4.57432e-01 518 2007 8 5.91674e+01 1.30895e+00 314 2007 9 5.23871e+01 1.94492e+00 359 2007 10 4.52443e+01 1.74222e+00 474 2007 11 3.92714e+01 1.37112e+00 630 2007 12 3.43121e+01 3.26211e-01 630 2008 1 3.68207e+01 1.64426e+00 812 2008 2 4.37387e+01 2.16389e+00 376 2008 3 5.16218e+01 2.40921e+00 546 2008 4 5.80514e+01 1.11223e+00 355 2008 5 6.14472e+01 4.46361e-01 512 2008 6 6.19236e+01 7.88483e-02 341 2008 7 6.00025e+01 2.41210e-01 275 2008 8 5.92452e+01 8.00666e-01 401 2008 9 5.31619e+01 1.37275e+00 324 2008 10 4.67764e+01 2.17963e+00 472 2008 11 3.76261e+01 1.53167e+00 764 2008 12 3.43177e+01 3.16516e-01 637 2009 1 3.74395e+01 1.87094e+00 603 2009 2 4.40074e+01 1.59267e+00 545 2009 3 5.07771e+01 1.87710e+00 521 2009 4 5.78911e+01 1.08931e+00 323 2009 5 6.12210e+01 5.66612e-01 518 2009 6 6.18641e+01 2.09328e-02 256 2009 7 6.07593e+01 5.75096e-01 263 2009 8 5.89278e+01 9.32225e-01 391 2009 9 5.39870e+01 2.30595e+00 298 2009 10 4.64550e+01 2.16168e+00 511 2009 11 3.78974e+01 1.52291e+00 590 2009 12 3.44126e+01 2.20114e-01 448 2010 1 3.60969e+01 1.59441e+00 325 2010 2 4.41491e+01 1.99283e+00 539 2010 3 5.19703e+01 2.41545e+00 593 2010 4 5.81635e+01 1.25188e+00 512 2010 5 6.14347e+01 4.88856e-01 400 2010 6 6.18652e+01 1.18158e-01 556 2010 7 6.05321e+01 4.56692e-01 418 2010 8 5.89109e+01 7.76830e-01 430 2010 9 5.37861e+01 1.68404e+00 210 2010 10 4.66235e+01 2.47878e+00 717 2010 11 3.84714e+01 1.62863e+00 791 2010 12 3.44186e+01 3.56498e-01 988 2011 1 3.64304e+01 1.78720e+00 640 2011 2 4.38537e+01 2.43044e+00 1009 2011 3 5.16881e+01 2.35782e+00 683 2011 4 5.86873e+01 1.01440e+00 434 2011 5 6.10891e+01 4.21026e-01 411 2011 6 6.19302e+01 1.15416e-01 403 2011 7 6.06982e+01 4.00626e-01 417 2011 8 5.95907e+01 4.52288e-02 59 2011 9 5.34312e+01 1.25676e+00 613 2011 10 4.58798e+01 1.77217e+00 404 2011 11 3.88163e+01 2.00820e+00 837 2011 12 3.43399e+01 4.19697e-01 730 2012 1 3.65235e+01 1.24189e+00 628 2012 2 4.61137e+01 9.28413e-01 271 2012 3 5.12141e+01 2.76852e+00 465 2012 4 5.69097e+01 8.32564e-01 451 2012 5 6.13036e+01 5.91003e-01 383 2012 6 6.16276e+01 1.42467e+00 163 2012 7 6.02956e+01 1.99820e-01 65 2012 8 5.88223e+01 9.05704e-01 416 2012 9 5.39654e+01 2.37628e+00 600 2012 10 4.52188e+01 1.94405e+00 406 2012 11 3.85295e+01 1.92600e+00 741 2012 12 3.41667e+01 5.24436e-02 325 2013 1 3.64053e+01 1.58481e+00 507 2013 2 4.31504e+01 2.15257e+00 658 2013 3 5.17583e+01 2.47832e+00 650 2013 4 5.78721e+01 1.08773e+00 290 2013 5 6.13887e+01 3.79256e-01 448 2013 6 6.19473e+01 4.33734e-03 64 2013 7 6.03748e+01 3.76510e-01 384 2013 8 5.93444e+01 1.16287e-01 131 2013 9 5.24378e+01 1.88879e+00 429 2013 10 4.64796e+01 2.02992e+00 691 2013 11 3.81937e+01 1.79994e+00 361 2013 12 3.45085e+01 4.80140e-01 414 2014 1 3.69525e+01 1.44512e+00 395 2014 2 4.26759e+01 2.08977e+00 492 2014 3 5.04803e+01 1.95591e+00 795 2014 4 5.84803e+01 1.47993e+00 418 2014 5 6.08762e+01 5.82754e-01 384 2014 6 6.18617e+01 1.07788e-01 404 2014 7 6.03920e+01 4.66745e-01 305 2014 8 5.90935e+01 8.80071e-01 512 2014 9 5.06232e+01 4.92294e-01 66 2014 10 4.60121e+01 2.45872e+00 688 2014 11 3.84735e+01 1.88728e+00 733 2014 12 3.42988e+01 2.33704e-01 511 2015 1 3.68525e+01 1.92914e+00 745 2015 2 4.36147e+01 2.17578e+00 657 2015 3 5.10215e+01 2.23816e+00 776 2015 4 5.76542e+01 1.44960e+00 255 2015 5 6.11457e+01 5.11804e-01 451 2015 6 6.17422e+01 5.39756e-01 429 2015 7 6.07192e+01 5.35558e-01 389 2015 8 5.93505e+01 6.18904e-01 482 2015 9 5.41939e+01 1.63455e+00 367 2015 10 4.56283e+01 2.35722e+00 574 2015 11 3.87752e+01 1.92443e+00 398 2015 12 3.41171e+01 1.26613e-01 493 2016 1 3.60082e+01 1.58803e+00 195 2016 2 4.43255e+01 1.47333e+00 308 2016 3 5.23047e+01 2.20084e+00 380 2016 4 5.74638e+01 1.30058e+00 442 2016 5 6.12929e+01 5.23951e-01 448 2016 6 6.18563e+01 1.18944e-01 421 2016 7 6.05015e+01 5.05626e-01 399 2016 8 5.92176e+01 1.02348e+00 219 2016 9 5.24285e+01 1.46133e+00 372 2016 10 4.54612e+01 1.27920e+00 372 2016 11 3.80021e+01 1.63944e+00 656 2016 12 3.45008e+01 3.98542e-01 265 2017 1 3.70580e+01 1.28173e+00 649 2017 2 4.29689e+01 1.85211e+00 697 2017 3 5.16227e+01 2.07800e+00 462 2017 4 5.82093e+01 1.50662e+00 384 2017 5 6.13591e+01 6.31230e-01 536 2017 6 6.18407e+01 1.13490e-01 330 2017 7 6.08535e+01 6.51044e-01 310 2017 8 5.89109e+01 1.05054e+00 355 2017 9 5.28189e+01 1.58522e+00 499 2017 10 4.48587e+01 2.24254e+00 343 2017 11 3.89018e+01 2.03534e+00 794 2017 12 3.43599e+01 3.43136e-01 920 2018 1 3.67680e+01 1.77804e+00 625 2018 2 4.30125e+01 1.95662e+00 801 2018 3 5.16494e+01 2.85842e+00 387 2018 4 5.81440e+01 1.46062e+00 659 2018 5 6.06527e+01 3.42436e-01 99 2018 6 6.17475e+01 1.85581e-02 128 2018 7 6.09356e+01 6.01939e-01 585 2018 8 5.87025e+01 8.89839e-01 332 2018 9 5.28645e+01 8.05677e-01 311 2018 10 4.43486e+01 1.62006e+00 385 2018 11 3.92205e+01 1.29866e+00 423 2018 12 3.43931e+01 3.48456e-01 650 2019 1 3.63317e+01 1.14823e+00 570 2019 2 4.35789e+01 2.67081e+00 909 2019 3 5.20434e+01 2.64726e+00 651 2019 4 5.80215e+01 1.42340e+00 576 2019 5 6.11146e+01 6.45240e-01 472 2019 6 6.19381e+01 1.18802e-01 616 2019 7 6.07270e+01 4.85996e-01 466 2019 8 5.90977e+01 1.23263e+00 457 2019 9 5.35346e+01 1.87535e+00 457 2019 10 4.53847e+01 1.78589e+00 548 2019 11 3.80949e+01 2.02158e+00 591 2019 12 3.44097e+01 3.95338e-01 535 2020 1 3.65885e+01 1.69278e+00 767 2020 2 4.43057e+01 2.83077e+00 464 2020 3 5.21799e+01 2.52773e+00 533 2020 4 5.78243e+01 9.23694e-01 290 2020 5 6.10370e+01 6.11133e-01 373 2020 6 6.18667e+01 9.01259e-02 281 2020 7 6.09466e+01 2.29708e-01 313 2020 8 5.88733e+01 1.09353e+00 634 2020 9 5.29286e+01 1.98882e+00 492 2020 10 4.51360e+01 2.72017e+00 318 2020 11 3.72249e+01 1.13540e+00 340 2020 12 3.43538e+01 3.52866e-01 573 2021 1 3.68792e+01 1.65283e+00 662 2021 2 4.36291e+01 1.90911e+00 563 2021 3 5.12437e+01 2.44243e+00 697 2021 4 5.86287e+01 9.30665e-01 375 2021 5 6.12183e+01 5.90242e-01 555 2021 6 6.18389e+01 6.77295e-02 383 2021 7 6.06404e+01 4.92521e-01 584 2021 8 5.93991e+01 6.22851e-01 390 2021 9 5.23005e+01 2.03204e+00 647 2021 10 4.48920e+01 2.06295e+00 488 2021 11 3.85778e+01 2.04579e+00 509 2021 12 3.43836e+01 3.56307e-01 811 2022 1 3.63093e+01 1.57875e+00 681 2022 2 4.46837e+01 2.21343e+00 582 2022 3 5.21090e+01 2.58011e+00 341 2022 4 5.94377e+01 6.52064e-01 84 2022 5 6.08453e+01 4.92441e-01 542 2022 6 6.19300e+01 9.52881e-02 399 2022 7 6.10720e+01 2.08955e-01 218 2022 8 5.80700e+01 8.69527e-01 381 2022 9 5.42779e+01 1.98421e+00 618 2022 10 4.59190e+01 2.76245e+00 783 2022 11 3.85285e+01 2.09710e+00 611 2022 12 3.42964e+01 2.12283e-01 519 2023 1 3.58288e+01 1.45787e+00 822 2023 2 4.30995e+01 2.16835e+00 664 2023 3 5.07786e+01 2.38259e+00 624 2023 4 5.79968e+01 1.50428e+00 489 2023 5 6.11464e+01 4.56759e-01 657 2023 6 6.18931e+01 7.39125e-02 404 2023 7 6.09814e+01 6.35814e-01 335 2023 8 5.93224e+01 9.71699e-01 534 2023 9 5.35627e+01 2.07432e+00 305 2023 10 4.58856e+01 1.40459e+00 464 2023 11 3.83883e+01 1.66777e+00 368 2023 12 3.45494e+01 4.30374e-01 411 2024 1 3.76616e+01 1.80907e+00 369 2024 2 4.48507e+01 2.06824e+00 644 2024 3 5.16071e+01 2.47384e+00 563 2024 4 nan nan 0