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 1.67492e+00 4.60611e-01 256 2002 8 1.51484e+00 1.98031e+00 460 2002 9 2.14701e+00 7.95045e-01 359 2002 10 1.81639e+00 7.23594e-01 781 2002 11 2.03001e+00 8.77010e-01 871 2002 12 1.48050e+00 6.20112e-01 635 2003 1 2.29950e+00 8.82114e-01 1033 2003 2 1.55325e+00 4.01600e-01 512 2003 3 1.31469e+01 2.04325e+00 64 2003 4 1.26576e+01 1.17751e+01 13 2003 5 6.64383e+00 4.84095e+00 110 2003 6 3.42945e+00 3.22773e+00 199 2003 7 7.68812e+00 6.59543e+00 159 2003 8 8.80632e+00 8.90187e+00 314 2003 9 5.29834e+00 6.74792e+00 532 2003 10 3.38202e+00 1.80547e+00 843 2003 11 2.43657e+00 3.59295e+00 1066 2003 12 2.27903e+00 1.28398e+00 896 2004 1 1.73784e+00 1.09601e+00 789 2004 2 1.52408e+00 6.58116e-01 384 2004 3 2.97093e+00 1.92313e+00 591 2004 4 1.51344e+00 4.67912e-01 413 2004 5 1.24434e+00 6.73013e-01 561 2004 6 1.33417e+00 5.99647e-01 326 2004 7 1.85850e+00 6.82710e-01 408 2004 8 2.09718e+00 6.55661e-01 512 2004 9 6.19685e+00 5.57681e+00 213 2004 10 2.11494e+01 1.46958e+01 149 2004 11 2.02437e+01 1.30118e+01 275 2004 12 1.08070e+01 7.71374e+00 562 2005 1 5.38299e+00 5.35015e+00 815 2005 2 4.25894e+00 1.38783e+00 512 2005 3 3.20468e+00 1.65855e+00 562 2005 4 5.90080e+00 5.44067e+00 477 2005 5 5.66030e+00 6.50028e+00 421 2005 6 5.52048e+00 3.37169e+00 399 2005 7 1.87121e+01 1.02353e+01 312 2005 8 1.32524e+01 7.41077e+00 237 2005 9 6.80025e+00 3.54330e+00 435 2005 10 2.83831e+00 1.18741e+00 896 2005 11 1.60474e+00 5.70465e-01 965 2005 12 1.59884e+00 9.29466e-01 1088 2006 1 4.73145e+00 2.48040e+00 723 2006 2 6.02616e+00 3.21383e+00 768 2006 3 5.60288e+00 4.72972e+00 948 2006 4 2.04359e+00 6.79621e-01 223 2006 5 1.06679e+00 5.72776e-01 564 2006 6 1.30405e+00 5.16590e-01 365 2006 7 2.05662e+00 7.83222e-01 320 2006 8 1.50946e+00 4.08771e-01 243 2006 9 1.86282e+00 3.68823e-01 576 2006 10 1.80783e+00 9.20804e-01 897 2006 11 1.18159e+00 5.99689e-01 849 2006 12 9.89549e-01 9.65055e-01 512 2007 1 6.54592e-01 3.38563e-01 447 2007 2 7.24152e-01 4.49114e-01 710 2007 3 6.83363e-01 3.92593e-01 967 2007 4 9.49075e-01 6.05623e-01 599 2007 5 1.14450e+00 7.33214e-01 185 2007 6 8.61048e-01 3.03718e-01 380 2007 7 1.31265e+00 4.76233e-01 512 2007 8 2.28245e+00 6.87745e-01 411 2007 9 3.06683e+00 2.08412e+00 543 2007 10 1.14372e+00 4.67348e-01 634 2007 11 7.05891e-01 3.29071e-01 1204 2007 12 8.00038e-01 7.72422e-01 796 2008 1 9.43546e-01 8.11556e-01 639 2008 2 1.04089e+00 5.37187e-01 908 2008 3 4.18161e+00 3.94030e+00 795 2008 4 3.74669e+00 2.25423e+00 594 2008 5 3.25122e+00 1.40472e+00 461 2008 6 3.17394e+00 2.31813e+00 202 2008 7 2.06680e+00 1.44186e+00 486 2008 8 2.28036e+00 7.24024e-01 256 2008 9 5.42802e+00 4.44858e+00 353 2008 10 3.02694e+00 2.73934e+00 874 2008 11 1.10230e+00 5.41955e-01 1023 2008 12 3.65713e+00 2.48716e+00 910 2009 1 2.82402e+00 1.02621e+00 764 2009 2 1.58062e+00 8.21710e-01 1024 2009 3 1.05946e+00 6.79473e-01 960 2009 4 2.04944e+00 1.45893e+00 555 2009 5 5.75396e+00 2.90136e+00 153 2009 6 1.38118e+00 4.77903e-01 249 2009 7 1.61773e+00 7.59957e-01 255 2009 8 4.52921e+00 3.49462e+00 602 2009 9 3.80651e+00 3.33443e+00 492 2009 10 1.61005e+00 8.39489e-01 826 2009 11 9.21004e-01 5.34987e-01 653 2009 12 1.41411e+00 7.60589e-01 192 2010 1 2.50331e+00 1.35603e+00 832 2010 2 5.67453e+00 4.22354e+00 753 2010 3 6.41749e+00 2.18755e+00 832 2010 4 5.75774e+00 6.29083e+00 264 2010 5 3.00095e+00 1.71342e+00 515 2010 6 2.19108e+00 9.72687e-01 572 2010 7 3.27660e+00 1.63295e+00 477 2010 8 3.91316e+00 2.96932e+00 324 2010 9 2.33230e+00 1.43038e+00 530 2010 10 1.25509e+00 5.27655e-01 1482 2010 11 7.38169e-01 4.26024e-01 1067 2010 12 1.16045e+00 9.88740e-01 1024 2011 1 7.45643e-01 4.25232e-01 698 2011 2 7.06053e-01 2.66043e-01 768 2011 3 8.40423e-01 5.94438e-01 869 2011 4 7.78587e-01 4.24367e-01 900 2011 5 6.94072e-01 3.87543e-01 770 2011 6 7.74711e-01 2.12086e-01 256 2011 7 1.87883e+00 8.65473e-01 433 2011 8 1.08802e+00 4.69075e-01 563 2011 9 1.17374e+00 5.78336e-01 798 2011 10 9.34405e-01 7.51542e-01 954 2011 11 5.07682e-01 2.72335e-01 1136 2011 12 5.84903e-01 2.74245e-01 1010 2012 1 7.33600e-01 4.54196e-01 1078 2012 2 9.52383e-01 4.57014e-01 254 2012 3 7.60910e-01 4.58308e-01 890 2012 4 6.09436e-01 2.27405e-01 905 2012 5 8.76113e-01 3.05405e-01 471 2012 6 1.75982e+00 4.20277e-01 192 2012 7 6.28211e+00 4.83125e+00 199 2012 8 1.16744e+01 7.53975e+00 293 2012 9 1.30258e+01 7.69072e+00 346 2012 10 7.64819e+00 4.54301e+00 707 2012 11 3.53973e+00 2.44786e+00 1017 2012 12 3.16030e+00 1.63897e+00 642 2013 1 1.78563e+00 1.07713e+00 670 2013 2 1.16440e+00 5.02574e-01 704 2013 3 1.28064e+00 6.75129e-01 723 2013 4 7.08701e+00 3.98029e+00 385 2013 5 2.70113e+00 2.33349e+00 452 2013 6 6.29056e+00 4.48120e+00 514 2013 7 1.10741e+01 8.61835e+00 80 2013 8 2.23742e+01 1.66263e+01 39 2013 9 1.55975e+01 9.11562e+00 685 2013 10 5.73920e+00 4.91247e+00 931 2013 11 2.53471e+00 1.19646e+00 456 2013 12 1.51954e+00 1.15245e+00 671 2014 1 1.62505e+00 8.37038e-01 472 2014 2 3.26728e+00 2.85143e+00 647 2014 3 5.15642e+00 2.71427e+00 564 2014 4 1.49121e+01 1.18830e+01 49 2014 5 1.87974e+01 1.19092e+01 103 2014 6 1.26026e+01 1.14129e+01 220 2014 7 7.35316e+00 5.23682e+00 527 2014 8 2.65050e+00 2.73388e+00 383 2014 9 4.13297e+00 2.07319e+00 428 2014 10 2.89868e+00 1.65629e+00 1404 2014 11 1.12962e+00 4.64912e-01 1033 2014 12 7.03309e-01 6.38915e-01 588 2015 1 1.02321e+00 9.66126e-01 812 2015 2 1.17896e+00 7.08266e-01 768 2015 3 7.31843e+00 5.31664e+00 329 2015 4 3.34279e+00 2.00561e+00 128 2015 5 2.74795e+00 1.08889e+00 524 2015 6 2.56871e+00 1.52332e+00 497 2015 7 2.68820e+00 1.38118e+00 198 2015 8 6.52752e+00 2.99379e+00 455 2015 9 6.06751e+00 6.70229e+00 335 2015 10 2.04577e+00 1.98562e+00 693 2015 11 3.69835e+00 2.62744e+00 683 2015 12 1.45637e+00 9.41001e-01 570 2016 1 1.35323e+00 5.17378e-01 637 2016 2 2.44323e+00 1.81116e+00 1201 2016 3 2.57853e+00 1.54244e+00 765 2016 4 2.58060e+00 1.01492e+00 384 2016 5 1.75580e+00 9.86187e-01 493 2016 6 1.38208e+00 5.76566e-01 631 2016 7 2.77733e+00 3.70448e+00 846 2016 8 4.37854e+00 4.00558e+00 651 2016 9 4.35146e+00 2.04760e+00 768 2016 10 1.99586e+00 1.54088e+00 876 2016 11 5.79370e-01 2.47128e-01 897 2016 12 7.53272e-01 3.95071e-01 828 2017 1 1.37062e+00 1.20792e+00 587 2017 2 1.50552e+00 1.04167e+00 1086 2017 3 1.33859e+00 1.17785e+00 935 2017 4 1.22760e+00 7.29324e-01 760 2017 5 1.47956e+00 4.92796e-01 512 2017 6 1.38146e+00 4.68870e-01 265 2017 7 2.97558e+00 9.11273e-01 148 2017 8 3.47250e+00 1.67519e+00 440 2017 9 4.73025e+00 6.06205e+00 524 2017 10 6.82866e+00 3.00134e+00 440 2017 11 2.65140e+00 2.72805e+00 1260 2017 12 1.19340e+00 9.60298e-01 695 2018 1 9.20602e-01 4.18954e-01 640 2018 2 1.93172e+00 1.26769e+00 640 2018 3 1.03297e+00 5.73142e-01 832 2018 4 1.72789e+00 5.65079e-01 565 2018 5 1.61074e+00 7.83996e-01 513 2018 6 2.30969e+00 1.13839e+00 384 2018 7 4.49365e+00 6.59839e+00 184 2018 8 1.21495e+01 8.23806e+00 133 2018 9 4.56487e+00 2.46108e+00 666 2018 10 3.13879e+00 1.05217e+00 1020 2018 11 2.91592e+00 9.33751e-01 253 2018 12 5.20518e+00 4.01437e+00 740 2019 1 8.37478e+00 7.13070e+00 731 2019 2 1.64958e+01 6.94381e+00 207 2019 3 6.05671e+00 5.86793e+00 664 2019 4 3.74756e+00 1.41641e+00 379 2019 5 1.91961e+00 1.37409e+00 825 2019 6 2.11710e+00 6.79978e-01 221 2019 7 1.68833e+00 7.45972e-01 260 2019 8 7.89989e+00 1.21234e+01 378 2019 9 1.54237e+00 8.82296e-01 633 2019 10 2.18246e+00 1.95054e+00 557 2019 11 1.13627e+00 9.04286e-01 832 2019 12 1.25825e+00 5.41330e-01 591 2020 1 1.07352e+00 6.65075e-01 702 2020 2 1.44588e+00 9.66921e-01 623 2020 3 1.66213e+00 1.27930e+00 655 2020 4 1.90499e+00 1.05355e+00 601 2020 5 1.33875e+00 9.58644e-01 732 2020 6 2.40100e+00 3.27384e+00 632 2020 7 3.39736e+00 7.15474e+00 224 2020 8 1.78816e+00 8.12048e-01 168 2020 9 4.57281e+00 2.44032e+00 370 2020 10 4.93571e+00 4.41364e+00 576 2020 11 2.85962e+00 1.39504e+00 808 2020 12 9.63786e-01 6.07144e-01 730 2021 1 1.94238e+00 1.13610e+00 561 2021 2 4.15510e+00 2.36675e+00 532 2021 3 4.26157e+00 4.88478e+00 249 2021 4 3.07283e+00 2.36233e+00 189 2021 5 2.50735e+00 1.64010e+00 586 2021 6 1.88751e+00 3.27926e-01 128 2021 7 3.16897e+00 1.67252e+00 68 2021 8 8.08552e+00 1.16912e+01 118 2021 9 1.25024e+01 8.46003e+00 465 2021 10 4.81257e+00 3.54747e+00 456 2021 11 3.51434e+00 4.12392e+00 863 2021 12 2.42058e+00 7.97713e-01 604 2022 1 2.41206e+00 1.52748e+00 831 2022 2 1.51472e+00 9.69460e-01 885 2022 3 2.27133e+00 1.79580e+00 791 2022 4 2.02566e+01 8.82555e+00 26 2022 5 6.14188e+00 6.89562e+00 469 2022 6 4.58215e+00 5.03652e+00 422 2022 7 2.48580e+00 6.10876e+00 160 2022 8 3.95894e+00 2.70278e+00 450 2022 9 3.48052e+00 4.68124e+00 355 2022 10 8.90959e-01 6.01699e-01 1208 2022 11 1.38589e+00 7.93390e-01 499 2022 12 1.40387e+00 9.24698e-01 911 2023 1 1.19841e+00 6.13076e-01 960 2023 2 1.23551e+00 4.44230e-01 654 2023 3 3.24113e+00 2.72582e+00 830 2023 4 3.19347e+00 1.27450e+00 385 2023 5 1.75387e+00 6.59727e-01 270 2023 6 1.12589e+00 8.70515e-01 300 2023 7 7.61628e+00 9.02776e+00 371 2023 8 6.64912e+00 8.57332e+00 564 2023 9 4.99970e+00 3.12314e+00 473 2023 10 2.31366e+00 1.88282e+00 504 2023 11 1.02532e+00 6.08437e-01 625 2023 12 3.95601e+00 2.94122e+00 350 2024 1 1.01149e+01 7.34378e+00 629 2024 2 5.51889e+00 4.14715e+00 626 2024 3 7.15100e+00 5.12286e+00 382 2024 4 nan nan 0