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 4.36304e-01 5.34088e-02 135 2002 8 4.23042e-01 1.23302e-01 295 2002 9 4.44523e-01 7.83557e-02 228 2002 10 5.55811e-01 1.84850e-01 680 2002 11 7.33630e-01 2.41564e-01 964 2002 12 9.25850e-01 2.84124e-01 631 2003 1 1.66720e+00 9.62036e+00 924 2003 2 1.04771e+00 4.41347e-01 620 2003 3 2.99969e+00 9.54978e+00 180 2003 4 9.01919e+00 7.62170e+01 234 2003 5 2.33516e+01 7.33859e+01 57 2003 6 6.57136e-01 4.92926e-01 250 2003 7 9.26162e-01 9.17832e-02 64 2003 8 1.48294e+00 7.32143e-01 128 2003 9 6.80256e-01 1.93689e-01 294 2003 10 8.44669e-01 3.52964e-01 608 2003 11 7.38298e-01 3.47320e-01 986 2003 12 1.30734e+00 8.00877e-01 771 2004 1 1.17980e+00 6.20862e-01 637 2004 2 8.66336e-01 1.81998e-01 185 2004 3 1.34661e+00 1.08047e+00 754 2004 4 1.74979e+00 1.66373e+00 431 2004 5 6.50005e-01 1.98871e-01 513 2004 6 5.08282e-01 7.80906e-02 194 2004 7 6.41874e-01 3.85313e-01 368 2004 8 2.99782e+00 1.30497e+01 309 2004 9 1.03119e+00 1.74435e-01 97 2004 10 1.26060e+00 7.81034e-01 128 2004 11 3.50364e+02 3.74236e+03 402 2004 12 4.86111e+00 1.19626e+01 465 2005 1 1.51207e+00 1.10671e+00 631 2005 2 1.20552e+00 5.08347e-01 516 2005 3 4.07799e+00 4.38556e+01 472 2005 4 1.46509e+00 6.99655e-01 302 2005 5 7.14170e+01 2.97790e+02 208 2005 6 1.23791e+00 1.35755e+00 299 2005 7 8.28550e+00 1.99307e+01 139 2005 8 1.98156e+00 2.22489e+00 156 2005 9 8.36508e-01 2.34627e-01 267 2005 10 1.01654e+00 7.67541e-01 886 2005 11 8.34401e-01 3.13387e-01 849 2005 12 1.38644e+00 7.36714e-01 882 2006 1 1.54324e+00 8.57450e-01 596 2006 2 1.40040e+00 3.88117e-01 451 2006 3 1.61443e+00 8.43423e-01 987 2006 4 1.00263e+00 4.52669e-01 328 2006 5 7.55866e-01 3.77818e-01 453 2006 6 1.03258e+01 5.49568e+01 219 2006 7 6.80148e-01 3.39757e-01 363 2006 8 9.27504e-01 1.47489e+00 224 2006 9 6.03903e-01 1.58760e-01 560 2006 10 7.46576e-01 3.76950e-01 702 2006 11 8.55129e-01 4.30564e-01 822 2006 12 5.87543e-01 2.95153e-01 441 2007 1 7.92351e-01 2.65366e-01 483 2007 2 8.51442e-01 5.70611e-01 735 2007 3 6.04501e-01 2.69108e-01 1130 2007 4 6.22451e-01 2.59063e-01 604 2007 5 5.07459e-01 1.11792e-01 104 2007 6 4.39725e-01 5.21333e-02 93 2007 7 6.06348e-01 2.40692e-01 330 2007 8 5.16118e-01 1.02689e-01 384 2007 9 3.47136e-01 1.08355e-01 232 2007 10 5.01436e-01 1.53638e-01 530 2007 11 5.39299e-01 1.52872e-01 1034 2007 12 7.25103e-01 8.66780e-01 679 2008 1 9.32988e-01 4.22207e-01 789 2008 2 6.69069e-01 3.08378e-01 1065 2008 3 7.35514e-01 2.52522e-01 724 2008 4 9.72673e-01 6.74725e-01 483 2008 5 7.90154e-01 2.74861e-01 427 2008 6 4.72677e+02 1.89724e+03 238 2008 7 7.20483e-01 4.20378e-01 242 2008 8 6.21029e-01 1.37401e-01 125 2008 9 8.95780e-01 5.74622e-01 439 2008 10 7.58968e-01 3.62336e-01 756 2008 11 8.11671e-01 3.20971e-01 823 2008 12 1.01771e+00 5.18747e-01 803 2009 1 9.97100e-01 4.99914e-01 556 2009 2 8.94044e-01 2.79448e-01 1004 2009 3 7.01492e-01 3.74379e-01 869 2009 4 7.70261e-01 3.59111e-01 551 2009 5 1.04325e+00 3.40540e-01 173 2009 6 6.00362e-01 2.55772e-01 175 2009 7 4.84033e-01 6.50773e-02 128 2009 8 3.70833e+00 1.55534e+01 349 2009 9 6.14122e-01 2.47205e-01 301 2009 10 6.19688e+00 8.93003e+01 787 2009 11 3.79954e+00 2.67061e+01 565 2009 12 8.49962e-01 2.97197e-01 232 2010 1 1.17596e+00 3.14243e-01 715 2010 2 1.75967e+01 1.40699e+02 580 2010 3 2.94120e+00 4.34353e+00 522 2010 4 1.92473e+00 3.72280e+00 419 2010 5 1.03762e+00 3.78142e-01 256 2010 6 4.27691e+01 6.96612e+02 378 2010 7 1.06314e+00 5.80864e-01 264 2010 8 8.56622e-01 4.21397e-01 108 2010 9 5.71222e-01 1.99614e-01 519 2010 10 8.47315e-01 8.42378e-01 1351 2010 11 6.50181e-01 2.92142e-01 1108 2010 12 8.71105e-01 4.33666e-01 919 2011 1 8.26923e-01 3.49932e-01 759 2011 2 5.93159e-01 2.78358e-01 607 2011 3 8.07630e-01 4.12815e-01 876 2011 4 6.73086e-01 1.60712e-01 640 2011 5 6.60565e-01 3.25155e-01 440 2011 6 7.64790e-01 2.25365e-01 139 2011 7 5.24523e-01 1.06737e-01 282 2011 8 4.70503e+00 4.46172e+01 466 2011 9 5.47477e-01 2.73506e-01 508 2011 10 8.22888e+00 1.38249e+02 1014 2011 11 6.26997e-01 2.81860e-01 932 2011 12 6.38079e-01 2.96492e-01 780 2012 1 8.21496e-01 4.13024e-01 1073 2012 2 8.58013e-01 3.78283e-01 253 2012 3 5.18416e-01 4.09861e-01 849 2012 4 5.31097e-01 2.38130e-01 702 2012 5 5.82809e-01 2.87926e-01 410 2012 6 7.24050e-01 2.82721e-01 125 2012 7 1.38161e+00 7.29149e-01 73 2012 8 1.28184e+00 8.59370e-02 64 2012 9 3.82308e+01 1.56369e+02 241 2012 10 1.51511e+00 1.15638e+00 663 2012 11 1.29676e+00 9.20005e-01 904 2012 12 1.13098e+00 5.58979e-01 422 2013 1 8.72030e-01 3.90972e-01 478 2013 2 1.04223e+00 3.15941e-01 578 2013 3 1.03446e+00 4.05862e-01 753 2013 4 8.03238e-01 4.06831e-01 453 2013 5 6.15958e-01 1.34465e-01 454 2013 6 6.23792e-01 2.80665e-01 376 2013 7 1.50003e+00 2.49001e+00 175 2013 8 6.89072e+02 1.61684e+03 75 2013 9 4.91718e+00 3.39176e+01 600 2013 10 1.02657e+00 6.80093e-01 761 2013 11 9.53742e-01 4.25397e-01 567 2013 12 8.47074e-01 3.15081e-01 736 2014 1 1.13843e+00 4.11898e-01 544 2014 2 1.16605e+00 2.98577e+00 716 2014 3 1.16649e+00 4.57755e-01 747 2014 4 5.69039e+03 3.38014e+04 310 2014 5 1.94114e+00 2.75655e+00 128 2014 6 3.69350e+01 2.08874e+02 156 2014 7 7.48502e-01 1.37798e-01 513 2014 8 6.37659e-01 1.01610e-01 261 2014 9 6.48895e-01 1.40293e-01 232 2014 10 7.60920e-01 3.75496e-01 1305 2014 11 1.00994e+00 5.28610e-01 866 2014 12 6.12922e-01 2.16338e-01 747 2015 1 8.25202e-01 4.05206e-01 659 2015 2 1.08758e+00 4.12136e-01 729 2015 3 9.22901e-01 2.95629e-01 521 2015 4 7.45067e-01 1.75530e-01 133 2015 5 6.98706e-01 4.38154e-01 483 2015 6 6.42434e-01 1.86036e-01 529 2015 7 5.39645e-01 2.37622e-01 113 2015 8 1.30587e+00 8.25560e-01 182 2015 9 8.51890e-01 2.10150e-01 358 2015 10 6.36612e-01 2.04470e-01 527 2015 11 9.23223e-01 3.71429e-01 515 2015 12 7.03873e-01 2.58128e-01 583 2016 1 1.16595e+00 4.42156e-01 516 2016 2 1.29218e+00 7.55301e-01 1035 2016 3 1.15418e+00 6.85712e-01 811 2016 4 8.09502e-01 2.84509e-01 419 2016 5 8.98614e-01 7.85595e-01 424 2016 6 6.53691e-01 2.88270e-01 434 2016 7 6.69965e-01 2.57739e-01 660 2016 8 4.59003e+01 2.76628e+02 413 2016 9 2.03334e+01 1.28718e+02 488 2016 10 1.11225e+00 6.10840e-01 544 2016 11 6.07927e-01 1.54996e-01 926 2016 12 6.48693e-01 2.25387e-01 740 2017 1 9.11262e-01 4.68996e-01 623 2017 2 8.51625e-01 2.49210e-01 917 2017 3 6.75761e-01 2.32789e-01 747 2017 4 8.50026e-01 5.09116e-01 667 2017 5 6.23263e-01 2.07352e-01 426 2017 6 5.28835e-01 2.87565e-01 170 2017 7 8.96475e-01 1.03188e+00 111 2017 8 5.33105e+00 5.25565e+01 419 2017 9 1.29830e+00 7.11491e-01 314 2017 10 1.08308e+00 1.28373e+00 730 2017 11 6.39141e+02 1.17580e+04 1039 2017 12 6.50817e-01 1.77959e-01 659 2018 1 7.51203e-01 3.12965e-01 856 2018 2 6.70564e-01 8.80955e-02 448 2018 3 8.61916e-01 3.10415e-01 708 2018 4 8.06541e-01 3.81114e-01 526 2018 5 6.53421e-01 2.01091e-01 343 2018 6 8.62459e-01 4.09505e-01 374 2018 7 6.87775e-01 2.81815e-01 107 2018 8 1.79178e+00 1.95760e+00 220 2018 9 1.05643e+00 4.87448e+00 769 2018 10 8.41588e-01 3.83029e-01 917 2018 11 1.68839e+00 1.23025e+00 236 2018 12 1.69866e+00 1.93126e+00 462 2019 1 1.47934e+00 7.22048e-01 351 2019 2 1.44471e+02 1.30099e+03 230 2019 3 1.60252e+00 6.31094e-01 747 2019 4 2.49855e+00 6.23221e+00 379 2019 5 7.30023e-01 3.25818e-01 627 2019 6 1.13338e+00 3.71148e-01 122 2019 7 7.22229e-01 3.20622e-01 324 2019 8 7.92706e-01 4.09341e-01 325 2019 9 9.37726e+00 8.67934e+01 444 2019 10 6.30991e-01 1.84426e-01 510 2019 11 6.71844e-01 2.82086e-01 694 2019 12 1.20477e+00 5.99045e-01 506 2020 1 9.79321e-01 2.68493e-01 579 2020 2 1.04502e+00 5.91889e-01 523 2020 3 8.17861e-01 7.37759e-01 557 2020 4 8.15301e-01 9.49428e-01 476 2020 5 1.25879e+00 5.25709e+00 562 2020 6 8.35623e-01 3.48875e-01 293 2020 7 1.10560e+00 5.46524e-01 208 2020 8 8.21120e-01 3.40303e-01 256 2020 9 1.02386e+00 5.05310e-01 159 2020 10 1.12990e+00 4.75825e-01 370 2020 11 1.43910e+00 4.36206e+00 654 2020 12 1.54073e+00 2.59470e+00 637 2021 1 1.25691e+00 7.51376e-01 514 2021 2 1.14988e+00 5.53286e-01 496 2021 3 1.08489e+00 5.95901e-01 517 2021 4 2.07517e+00 5.46258e+00 463 2021 5 8.39540e+00 1.08107e+02 414 2021 6 6.10997e-01 2.06314e-01 200 2021 7 6.79187e+00 7.24282e+00 44 2021 8 1.13967e+00 3.15500e-01 64 2021 9 2.56450e+01 1.45774e+02 447 2021 10 2.08025e+00 4.48349e+00 494 2021 11 1.21806e+00 3.13693e-01 1013 2021 12 1.15373e+00 8.81512e-01 699 2022 1 1.36819e+00 5.56131e-01 640 2022 2 8.51901e-01 3.38659e-01 815 2022 3 1.16003e+00 8.23726e-01 704 2022 4 1.23065e+00 8.71951e-01 88 2022 5 9.43479e-01 3.65508e-01 419 2022 6 5.94539e-01 1.59477e-01 279 2022 7 8.21920e+00 5.99952e+01 199 2022 8 5.75414e-01 1.62190e-01 553 2022 9 6.31721e-01 1.53029e-01 249 2022 10 1.96285e+00 3.60855e+01 1229 2022 11 6.96698e-01 2.11511e-01 387 2022 12 7.84305e-01 6.09355e-01 1006 2023 1 7.04590e-01 2.34015e-01 712 2023 2 7.52814e-01 2.21133e-01 561 2023 3 7.57175e-01 2.51891e-01 766 2023 4 5.85017e-01 3.28314e-01 366 2023 5 3.41687e+02 2.88184e+03 333 2023 6 4.98706e-01 1.97368e-01 192 2023 7 9.60771e+02 7.03075e+03 268 2023 8 7.19900e-01 2.99445e-01 407 2023 9 1.69996e+00 2.68800e+00 342 2023 10 9.87658e-01 9.28767e-01 612 2023 11 8.72398e-01 5.72432e-01 732 2023 12 8.46038e-01 2.14865e-01 280 2024 1 1.15833e+00 4.01858e-01 391 2024 2 1.24589e+00 4.08290e-01 556 2024 3 9.59568e-01 1.77938e-01 294 2024 4 nan nan 0