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 2.43533e+00 1.81178e+00 559 2002 8 2.22016e+00 1.87643e+00 690 2002 9 1.61272e+00 1.16810e+00 733 2002 10 1.42149e+00 1.03048e+00 663 2002 11 6.40750e-01 1.31528e+00 284 2002 12 1.46878e+00 5.11557e-01 512 2003 1 1.51197e+00 6.95693e-01 525 2003 2 7.48834e-01 3.47220e-01 387 2003 3 2.28386e+00 2.16541e+00 740 2003 4 3.29464e-01 5.46937e-01 597 2003 5 2.06878e+00 1.74582e+00 320 2003 6 4.26608e+00 3.60856e+00 448 2003 7 4.42495e+00 2.23591e+00 896 2003 8 4.08315e+00 1.58569e+00 576 2003 9 3.24446e+00 2.32961e+00 896 2003 10 1.31677e+00 1.22552e+00 697 2003 11 1.35437e+00 1.97827e+00 599 2003 12 9.53091e-01 8.01530e-01 666 2004 1 1.10366e+00 5.07874e-01 461 2004 2 2.26671e+00 8.68436e-01 1056 2004 3 1.05084e+00 1.07618e+00 605 2004 4 4.12049e-02 3.72368e-02 415 2004 5 2.45137e+00 2.57998e+00 335 2004 6 3.61811e+00 9.48309e-01 425 2004 7 7.12331e+00 3.25419e+00 163 2004 8 4.24476e+00 1.60053e+00 829 2004 9 3.33369e+00 1.65557e+00 832 2004 10 1.98936e+00 1.87209e+00 693 2004 11 8.92379e-01 4.83873e-01 724 2004 12 8.46203e-01 5.60084e-01 260 2005 1 2.17282e-01 1.79155e-01 403 2005 2 9.73949e-01 6.05152e-01 576 2005 3 8.64417e-01 7.83413e-01 839 2005 4 6.97908e-01 4.52532e-01 829 2005 5 1.20665e-01 1.07413e-01 437 2005 6 3.05693e+00 2.60724e+00 640 2005 7 2.38898e+00 1.60150e+00 532 2005 8 3.43072e+00 1.62695e+00 780 2005 9 2.14277e+00 1.52448e+00 1008 2005 10 5.84996e-01 6.98489e-01 445 2005 11 5.70121e-01 8.07891e-01 576 2005 12 7.74017e-01 4.50864e-01 512 2006 1 1.37239e+00 7.41230e-01 778 2006 2 1.06868e+00 8.58611e-01 657 2006 3 1.61304e+00 1.06631e+00 840 2006 4 6.06587e-01 1.29944e+00 540 2006 5 7.53816e-01 5.65218e-01 273 2006 6 1.18857e+00 3.98792e-01 320 2006 7 2.56016e+00 1.23007e+00 256 2006 8 2.19048e+00 1.25272e+00 907 2006 9 3.37571e+00 2.43743e+00 878 2006 10 1.61663e+00 1.31157e+00 731 2006 11 1.90369e+00 1.48004e+00 336 2006 12 9.16321e-01 5.75432e-01 384 2007 1 1.46879e+00 5.79838e-01 554 2007 2 2.54802e+00 1.81153e+00 841 2007 3 1.58230e+00 1.08254e+00 811 2007 4 9.54400e-02 2.44233e-01 403 2007 5 2.69747e-01 2.15351e-01 640 2007 6 3.85788e+00 1.16693e+00 372 2007 7 6.24372e+00 2.28283e+00 452 2007 8 3.01814e+00 1.05249e+00 534 2007 9 2.71908e+00 1.66077e+00 1015 2007 10 9.71348e-01 1.25208e+00 576 2007 11 9.90012e-01 7.18463e-01 606 2007 12 1.71772e+00 5.01292e-01 256 2008 1 2.59117e+00 1.19516e+00 580 2008 2 1.67372e+00 6.11849e-01 469 2008 3 7.92404e-01 8.76321e-01 641 2008 4 1.21539e+00 1.49012e+00 690 2008 5 1.28140e+00 1.39573e+00 649 2008 6 2.80621e+00 1.46430e+00 717 2008 7 3.86689e+00 1.71394e+00 633 2008 8 2.00475e+00 1.94522e+00 1109 2008 9 2.10312e+00 2.33596e+00 960 2008 10 4.84127e-01 3.91932e-01 768 2008 11 7.73674e-01 6.88549e-01 482 2008 12 1.35299e+00 7.83562e-01 512 2009 1 3.23895e+00 1.77277e+00 851 2009 2 3.99545e+00 8.67219e-01 547 2009 3 3.23481e+00 1.56988e+00 832 2009 4 2.28759e-01 5.49047e-01 726 2009 5 1.16275e+00 7.12999e-01 398 2009 6 3.89368e+00 2.22364e+00 196 2009 7 1.71468e+00 1.47748e+00 785 2009 8 4.69485e+00 1.86944e+00 640 2009 9 1.58021e+00 1.92934e+00 915 2009 10 1.60181e+00 1.02943e+00 606 2009 11 7.08171e-01 1.29068e+00 576 2009 12 1.50262e+00 1.45995e+00 464 2010 1 1.92598e+00 1.03405e+00 896 2010 2 1.89797e+00 1.10493e+00 531 2010 3 8.59021e-02 1.62877e-01 576 2010 4 1.74214e-01 3.15033e-01 577 2010 5 3.30174e+00 2.66034e+00 893 2010 6 5.01941e+00 3.02850e+00 564 2010 7 4.91120e+00 1.57893e+00 835 2010 8 2.54543e+00 1.45907e+00 833 2010 9 2.03857e+00 1.59340e+00 908 2010 10 2.89305e-01 5.38247e-01 820 2010 11 2.75077e-01 1.95639e-01 621 2010 12 7.13686e-01 6.55670e-01 357 2011 1 6.34636e-01 4.59011e-01 524 2011 2 1.40242e+00 6.80678e-01 646 2011 3 1.67284e+00 2.10261e+00 864 2011 4 1.90527e+00 2.23813e+00 374 2011 5 2.55081e+00 2.54892e+00 381 2011 6 2.24754e+00 9.44076e-01 371 2011 7 4.53443e+00 2.38274e+00 809 2011 8 4.96679e+00 3.08876e+00 839 2011 9 2.18435e+00 1.82389e+00 638 2011 10 8.08136e-01 1.29265e+00 686 2011 11 7.99298e-01 1.18871e+00 792 2011 12 9.15495e-01 5.65825e-01 384 2012 1 2.85986e+00 1.21729e+00 512 2012 2 2.23964e+00 1.34122e+00 720 2012 3 5.99978e-01 8.39927e-01 806 2012 4 2.50584e+00 3.13635e+00 1047 2012 5 2.03851e+00 2.08132e+00 262 2012 6 1.88550e+00 2.33077e+00 559 2012 7 2.90167e+00 1.35414e+00 857 2012 8 1.72667e+00 1.23877e+00 738 2012 9 1.96370e+00 2.20971e+00 1023 2012 10 7.44543e-01 4.36749e-01 506 2012 11 7.74260e-01 4.46268e-01 478 2012 12 3.56781e-01 3.74935e-01 399 2013 1 1.04456e+00 5.16554e-01 576 2013 2 6.83186e-01 7.00166e-01 575 2013 3 1.34190e+00 6.85775e-01 491 2013 4 2.67394e+00 2.03213e+00 1009 2013 5 2.28047e+00 2.18137e+00 267 2013 6 1.02648e+00 7.53309e-01 395 2013 7 3.46644e+00 2.55917e+00 448 2013 8 2.14259e+00 2.02099e+00 668 2013 9 6.98796e-01 8.40901e-01 1190 2013 10 5.19177e-01 5.00461e-01 703 2013 11 2.43899e-01 2.31756e-01 832 2013 12 1.96265e+00 1.26113e+00 192 2014 1 1.68364e+00 1.19018e+00 512 2014 2 1.64350e+00 1.02411e+00 523 2014 3 3.38798e+00 1.91695e+00 608 2014 4 5.18227e-01 7.06508e-01 638 2014 5 2.27865e+00 1.84513e+00 532 2014 6 3.29525e+00 1.87926e+00 704 2014 7 4.49272e+00 1.54877e+00 640 2014 8 2.70935e+00 1.16241e+00 983 2014 9 2.30016e+00 1.87271e+00 1069 2014 10 1.92330e+00 1.47088e+00 779 2014 11 9.99677e-01 5.04360e-01 460 2014 12 1.62106e+00 1.18614e+00 192 2015 1 1.03221e+00 8.09559e-01 481 2015 2 8.10824e-01 9.62980e-01 388 2015 3 2.29151e+00 1.44544e+00 896 2015 4 6.09108e+00 3.34304e+00 784 2015 5 2.03247e+00 1.95119e+00 512 2015 6 5.09623e+00 2.21211e+00 483 2015 7 3.12751e+00 1.49244e+00 593 2015 8 5.02901e+00 1.89239e+00 916 2015 9 2.93559e+00 2.11051e+00 920 2015 10 5.66006e-01 8.11986e-01 768 2015 11 3.00325e-01 3.59144e-01 876 2015 12 5.04179e-01 5.41623e-01 384 2016 1 3.66573e-01 3.01447e-01 392 2016 2 5.22304e-01 2.39437e-01 557 2016 3 1.88720e+00 2.44397e+00 521 2016 4 9.14771e-01 7.43387e-01 683 2016 5 9.28433e-01 1.12387e+00 381 2016 6 3.45833e+00 1.44003e+00 576 2016 7 4.63276e+00 2.05192e+00 643 2016 8 3.13367e+00 2.08068e+00 1167 2016 9 8.64243e-01 1.13905e+00 828 2016 10 2.00352e+00 1.91395e+00 714 2016 11 3.32521e-01 4.01919e-01 774 2016 12 8.75725e-01 1.62730e+00 613 2017 1 1.64302e+00 1.05850e+00 620 2017 2 1.28051e+00 6.52773e-01 637 2017 3 8.53993e-01 7.14056e-01 775 2017 4 1.56462e+00 2.06881e+00 448 2017 5 1.43323e-01 1.97324e-01 315 2017 6 2.75648e+00 1.63400e+00 659 2017 7 5.88811e+00 2.52347e+00 704 2017 8 2.38541e+00 1.99436e+00 927 2017 9 1.95344e+00 1.63963e+00 755 2017 10 3.42410e-01 5.34929e-01 1002 2017 11 5.67040e-01 8.12757e-01 683 2017 12 1.92276e+00 1.43801e+00 196 2018 1 1.62883e+00 1.20423e+00 760 2018 2 1.52655e+00 1.36543e+00 512 2018 3 3.81599e-01 4.68611e-01 478 2018 4 2.16650e+00 3.60089e+00 709 2018 5 1.44463e+00 1.24193e+00 441 2018 6 2.45154e+00 1.76850e+00 650 2018 7 3.20938e+00 1.86217e+00 869 2018 8 2.54594e+00 1.63944e+00 838 2018 9 2.18049e+00 1.14296e+00 576 2018 10 8.70611e-01 6.84579e-01 762 2018 11 7.53003e-01 6.09220e-01 393 2018 12 1.08411e+00 5.87716e-01 505 2019 1 1.51458e+00 1.34986e+00 677 2019 2 3.04700e+00 1.36371e+00 512 2019 3 6.28303e+00 1.49254e+00 1002 2019 4 4.13827e+00 5.10331e+00 614 2019 5 1.39896e+00 1.38136e+00 311 2019 6 2.55679e+00 1.31329e+00 511 2019 7 2.79462e+00 2.31265e+00 832 2019 8 1.93921e+00 1.16192e+00 713 2019 9 8.15091e-01 6.51029e-01 894 2019 10 1.71804e-01 2.13433e-01 448 2019 11 3.72435e-01 3.64252e-01 832 2019 12 1.60858e+00 9.32996e-01 506 2020 1 1.35149e+00 6.12566e-01 956 2020 2 1.18251e+00 9.76099e-01 635 2020 3 4.32935e-01 5.85273e-01 832 2020 4 9.59339e-01 2.01179e+00 500 2020 5 2.34749e+00 2.18410e+00 668 2020 6 2.07224e+00 1.14826e+00 587 2020 7 3.56386e+00 2.00058e+00 720 2020 8 1.11020e+00 7.21580e-01 364 2020 9 3.04439e+00 2.33362e+00 496 2020 10 2.90923e+00 3.97654e+00 590 2020 11 2.23495e-01 3.31691e-01 571 2020 12 9.68621e-02 1.93920e-01 419 2021 1 4.74372e-01 6.73260e-01 510 2021 2 6.96275e-01 7.06363e-01 577 2021 3 7.04248e-01 5.82261e-01 914 2021 4 1.84950e+00 1.85112e+00 801 2021 5 1.12721e+00 9.34360e-01 717 2021 6 4.13775e+00 2.59450e+00 761 2021 7 3.36054e+00 3.54645e+00 386 2021 8 4.41853e+00 3.47579e+00 320 2021 9 1.92687e+00 1.92562e+00 770 2021 10 2.09087e-01 2.72210e-01 512 2021 11 1.19976e-01 2.64031e-01 771 2021 12 1.24036e+00 1.34986e+00 314 2022 1 1.05148e+00 6.90322e-01 430 2022 2 3.45289e+00 1.39925e+00 609 2022 3 2.35054e+00 1.76998e+00 894 2022 4 5.88448e-01 7.26140e-01 296 2022 5 1.82178e+00 2.00014e+00 424 2022 6 4.65203e+00 1.21099e+00 768 2022 7 5.07138e+00 1.51058e+00 840 2022 8 3.91030e+00 3.67529e+00 1009 2022 9 9.76116e-01 7.81016e-01 896 2022 10 3.98208e-01 4.52739e-01 896 2022 11 9.92725e-01 1.00153e+00 928 2022 12 1.59006e+00 1.25523e+00 492 2023 1 1.29944e+00 9.09133e-01 320 2023 2 2.97924e+00 2.97988e+00 320 2023 3 4.14269e+00 2.53614e+00 710 2023 4 1.72474e+00 1.26334e+00 590 2023 5 6.63171e-01 9.43361e-01 737 2023 6 1.36826e+00 1.36353e+00 564 2023 7 4.37091e-01 5.91085e-01 768 2023 8 4.53201e-01 3.53953e-01 640 2023 9 1.27793e+00 1.70668e+00 651 2023 10 7.70632e-01 1.22385e+00 964 2023 11 3.82493e-02 1.35422e-01 526 2023 12 1.72509e-01 1.16524e-01 279 2024 1 3.38133e-01 4.26725e-01 640 2024 2 4.65339e-01 4.53637e-01 704 2024 3 1.40404e+00 1.33637e+00 777 2024 4 nan nan 0