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 1.77711e+00 1.18290e-01 64 2002 8 1.58163e+00 5.17975e-01 192 2002 9 2.23409e+00 6.55134e-01 371 2002 10 2.73880e+00 1.22363e+00 862 2002 11 1.58641e+00 6.75796e-01 581 2002 12 1.00844e+00 4.64506e-01 575 2003 1 1.09790e+00 6.11375e-01 628 2003 2 1.09104e+00 2.67029e-01 542 2003 3 1.31475e+00 6.04797e-01 112 2003 4 3.87759e+00 1.44888e+00 510 2003 5 1.48378e+00 8.84282e-01 113 2003 6 1.08418e+00 5.26273e-01 167 2003 7 1.96647e+00 5.30728e-01 201 2003 8 2.57485e+00 9.58708e-01 132 2003 9 2.18534e+00 9.45104e-01 338 2003 10 2.52776e+00 7.38606e-01 430 2003 11 1.95689e+00 6.35172e-01 784 2003 12 1.72514e+00 3.67170e-01 722 2004 1 2.21010e+00 1.24442e+00 710 2004 2 2.42468e+00 6.37643e-01 443 2004 3 2.05582e+00 9.99269e-01 549 2004 4 2.48830e+00 5.10819e-01 375 2004 5 1.48699e+00 3.72780e-01 409 2004 6 1.49319e+00 9.82144e-01 401 2004 7 1.48909e+00 3.21648e-01 74 2004 8 3.79597e+00 5.05960e-01 61 2004 9 8.59171e-01 2.27026e-01 92 2004 10 1.56036e+00 8.29513e-01 451 2004 11 2.16823e+00 7.15786e-01 682 2004 12 2.78420e+00 1.22236e+00 466 2005 1 3.34134e+00 8.77589e-01 613 2005 2 3.57154e+00 9.50473e-01 644 2005 3 3.05927e+00 1.27439e+00 259 2005 4 4.73231e+00 1.64979e+00 479 2005 5 1.00115e+00 3.85392e-01 185 2005 6 1.13814e+00 3.47407e-01 209 2005 7 6.88212e-01 5.92419e-01 187 2005 8 1.38203e+00 5.77534e-01 166 2005 9 1.41820e+00 5.86780e-01 256 2005 10 1.53227e+00 5.80858e-01 596 2005 11 1.69851e+00 4.95413e-01 706 2005 12 1.32592e+00 4.33740e-01 717 2006 1 2.17712e+00 1.17845e+00 673 2006 2 1.71663e+00 5.13736e-01 928 2006 3 2.35948e+00 5.69810e-01 914 2006 4 1.56353e+00 6.14575e-01 592 2006 5 1.22863e+00 3.37674e-01 502 2006 6 1.20965e+00 5.22076e-01 383 2006 7 8.33027e-01 2.01928e-01 148 2006 8 1.34417e+00 4.17229e-01 256 2006 9 2.65396e+00 1.14736e+00 403 2006 10 2.52158e+00 1.18077e+00 762 2006 11 1.75733e+00 1.07277e+00 542 2006 12 1.82721e+00 1.30146e+00 269 2007 1 1.89181e+00 4.54141e-01 345 2007 2 2.51719e+00 5.86846e-01 512 2007 3 3.58110e+00 9.40872e-01 621 2007 4 3.95920e+00 2.00521e+00 502 2007 5 1.20831e+00 5.88680e-01 265 2007 6 8.71115e-01 3.74021e-01 187 2007 7 2.32195e+00 1.30214e+00 123 2007 8 2.40066e+00 1.26780e+00 250 2007 9 3.66585e+00 1.08968e+00 531 2007 10 3.20448e+00 8.79004e-01 341 2007 11 2.48994e+00 5.67995e-01 720 2007 12 1.89783e+00 5.46678e-01 815 2008 1 3.62832e+00 1.27528e+00 437 2008 2 2.84727e+00 1.16837e+00 496 2008 3 2.54363e+00 1.39438e+00 549 2008 4 1.45972e+00 9.32000e-01 493 2008 5 1.12108e+00 6.83541e-01 328 2008 6 1.63378e+00 5.43050e-01 320 2008 7 1.55766e+00 4.50527e-01 279 2008 8 1.14409e+00 4.88128e-01 196 2008 9 8.41704e-01 5.04208e-01 364 2008 10 2.27957e+00 1.47687e+00 719 2008 11 2.11991e+00 7.82331e-01 1036 2008 12 1.90693e+00 6.75694e-01 771 2009 1 2.17320e+00 7.90321e-01 720 2009 2 2.31657e+00 6.35383e-01 705 2009 3 2.15937e+00 5.36566e-01 956 2009 4 3.47987e+00 1.18996e+00 294 2009 5 1.21948e+00 6.11909e-01 283 2009 6 1.13121e+00 6.41169e-01 74 2009 7 1.02152e+00 4.73558e-01 165 2009 8 1.71379e+00 3.75995e-01 200 2009 9 5.51321e-01 3.18560e-01 231 2009 10 1.91242e+00 7.90119e-01 777 2009 11 1.44170e+00 6.52034e-01 465 2009 12 1.44392e+00 6.35319e-01 320 2010 1 1.80363e+00 9.90436e-01 620 2010 2 1.76985e+00 5.68112e-01 577 2010 3 2.23727e+00 7.99475e-01 756 2010 4 1.74162e+00 6.71885e-01 504 2010 5 2.10069e+00 5.50384e-01 341 2010 6 1.84721e+00 8.06566e-01 350 2010 7 1.10326e+00 1.10063e+00 79 2010 8 3.43527e+00 6.49300e-01 128 2010 9 3.23902e+00 1.58612e+00 476 2010 10 2.67731e+00 1.10995e+00 1225 2010 11 2.19838e+00 7.24822e-01 976 2010 12 2.34362e+00 7.69851e-01 998 2011 1 1.77244e+00 4.67676e-01 571 2011 2 2.71047e+00 1.03975e+00 726 2011 3 2.26583e+00 6.86256e-01 862 2011 4 3.27909e+00 1.45791e+00 645 2011 5 2.16013e+00 7.64796e-01 413 2011 6 1.98251e+00 7.30393e-01 258 2011 7 2.35280e+00 6.56451e-01 256 2011 8 4.64016e+00 9.12254e-01 125 2011 9 3.93646e+00 1.15633e+00 175 2011 10 2.80579e+00 7.35845e-01 645 2011 11 2.29758e+00 1.05062e+00 696 2011 12 1.13221e+00 5.29115e-01 988 2012 1 1.33909e+00 6.52312e-01 654 2012 2 2.60922e+00 1.04983e+00 518 2012 3 2.70773e+00 9.84301e-01 746 2012 4 1.61485e+00 3.93506e-01 368 2012 5 1.60973e+00 4.26733e-01 353 2012 6 nan nan 0 2012 7 1.55939e+00 3.87680e-01 94 2012 8 1.90040e+00 6.99794e-01 201 2012 9 1.85985e+00 1.22153e+00 272 2012 10 2.53405e+00 1.11398e+00 471 2012 11 1.24734e+00 4.52875e-01 674 2012 12 1.51583e+00 4.52096e-01 441 2013 1 1.67219e+00 1.27938e+00 680 2013 2 1.85887e+00 5.93884e-01 624 2013 3 2.42300e+00 9.64235e-01 675 2013 4 2.40605e+00 5.07788e-01 381 2013 5 1.16146e+00 5.14314e-01 391 2013 6 1.62832e+00 4.24548e-01 284 2013 7 1.54525e+00 1.07099e+00 307 2013 8 1.80559e+00 7.63457e-01 418 2013 9 1.23189e+00 9.76200e-01 359 2013 10 6.43770e-01 3.29024e-01 599 2013 11 7.14510e-01 2.24337e-01 166 2013 12 1.63126e+00 9.04963e-01 612 2014 1 2.04299e+00 9.64771e-01 541 2014 2 2.45613e+00 7.12700e-01 582 2014 3 2.10719e+00 1.09832e+00 523 2014 4 1.75622e+00 9.38118e-01 336 2014 5 1.02270e+00 4.87894e-01 495 2014 6 1.30730e+00 4.76465e-01 295 2014 7 1.18561e+00 4.14948e-01 248 2014 8 1.66642e+00 6.51616e-01 306 2014 9 2.46439e+00 1.29156e+00 308 2014 10 2.08590e+00 1.06915e+00 905 2014 11 2.04715e+00 9.28045e-01 608 2014 12 1.39977e+00 7.13137e-01 665 2015 1 2.33073e+00 1.67469e+00 332 2015 2 1.78268e+00 6.59182e-01 685 2015 3 2.93951e+00 1.97049e+00 579 2015 4 4.15819e+00 2.19975e+00 269 2015 5 9.52006e-01 5.05044e-01 593 2015 6 1.07527e+00 4.34433e-01 255 2015 7 1.37423e+00 4.92429e-01 188 2015 8 1.06324e+00 6.38241e-01 178 2015 9 6.58011e-01 8.25574e-01 103 2015 10 1.28499e+00 4.84298e-01 576 2015 11 1.48151e+00 1.52001e+00 522 2015 12 1.37793e+00 4.98732e-01 300 2016 1 1.65243e+00 6.10872e-01 614 2016 2 1.94470e+00 8.85977e-01 880 2016 3 1.97096e+00 7.37305e-01 457 2016 4 1.05719e+00 5.28571e-01 361 2016 5 1.20373e+00 4.17784e-01 426 2016 6 1.77115e+00 5.65961e-01 103 2016 7 9.43441e-01 3.94108e-01 338 2016 8 7.12452e-01 3.42433e-01 229 2016 9 5.25574e-01 4.29240e-01 518 2016 10 9.08992e-01 4.99250e-01 400 2016 11 9.86394e-01 3.78511e-01 632 2016 12 1.45034e+00 5.48140e-01 656 2017 1 1.65082e+00 8.52497e-01 623 2017 2 1.60394e+00 4.53732e-01 1025 2017 3 2.06010e+00 6.36459e-01 764 2017 4 1.76809e+00 6.67926e-01 392 2017 5 2.53306e+00 1.42920e+00 401 2017 6 1.06293e+00 4.00266e-01 128 2017 7 6.73634e-01 4.57575e-01 281 2017 8 6.34611e-01 3.82437e-01 310 2017 9 9.91200e-01 6.63458e-01 376 2017 10 6.46497e-01 4.01996e-01 208 2017 11 1.05872e+00 3.63993e-01 716 2017 12 1.04219e+00 4.63697e-01 637 2018 1 2.18757e+00 6.85380e-01 631 2018 2 2.46969e+00 9.59306e-01 373 2018 3 2.02909e+00 6.80870e-01 899 2018 4 1.73706e+00 1.04458e+00 650 2018 5 1.11896e+00 5.44761e-01 296 2018 6 1.30524e+00 4.61983e-01 311 2018 7 8.79593e-01 2.94654e-01 142 2018 8 7.12046e-01 4.43940e-01 356 2018 9 9.37299e-01 4.96495e-01 484 2018 10 7.46099e-01 7.39835e-01 972 2018 11 1.03209e+00 5.01347e-01 407 2018 12 1.28553e+00 5.80200e-01 542 2019 1 1.39832e+00 7.70219e-01 661 2019 2 1.38706e+00 7.65761e-01 498 2019 3 2.11655e+00 1.12231e+00 664 2019 4 1.56153e+00 6.81530e-01 419 2019 5 1.03885e+00 3.91949e-01 512 2019 6 8.44367e-01 5.39211e-01 221 2019 7 1.51924e+00 4.15591e-01 342 2019 8 9.39448e-01 8.14947e-01 103 2019 9 6.45570e-01 4.88654e-01 263 2019 10 7.55728e-01 2.68642e-01 402 2019 11 1.09883e+00 3.90694e-01 384 2019 12 1.54920e+00 5.65327e-01 191 2020 1 1.60705e+00 6.93997e-01 635 2020 2 2.00733e+00 7.63831e-01 488 2020 3 1.99623e+00 9.24970e-01 662 2020 4 3.52950e+00 8.32633e-01 270 2020 5 1.50689e+00 4.84222e-01 684 2020 6 1.20086e+00 3.81256e-01 310 2020 7 1.85518e+00 2.83442e-01 69 2020 8 2.45236e+00 3.92951e-01 233 2020 9 2.13314e+00 1.37187e+00 256 2020 10 5.99007e-01 1.67687e-01 194 2020 11 1.55638e+00 9.14775e-01 586 2020 12 1.15935e+00 3.32204e-01 361 2021 1 1.52092e+00 6.72673e-01 308 2021 2 1.66083e+00 5.37851e-01 582 2021 3 1.89689e+00 7.09177e-01 559 2021 4 1.34257e+00 5.44398e-01 579 2021 5 1.53169e+00 5.47928e-01 693 2021 6 1.91435e+00 4.24856e-01 240 2021 7 5.82792e-01 4.93687e-01 111 2021 8 7.11143e-01 4.17251e-01 189 2021 9 8.20571e-01 4.27870e-01 377 2021 10 7.60970e-01 3.79270e-01 570 2021 11 1.03673e+00 4.45621e-01 405 2021 12 1.41838e+00 6.08484e-01 801 2022 1 1.96622e+00 8.28732e-01 695 2022 2 1.42581e+00 6.02324e-01 796 2022 3 2.84216e+00 1.40236e+00 653 2022 4 1.20102e+00 2.85654e-01 19 2022 5 1.52855e+00 5.18558e-01 544 2022 6 1.17196e+00 7.15924e-01 225 2022 7 1.52241e+00 4.46287e-01 193 2022 8 1.20361e+00 3.06195e-01 272 2022 9 1.52362e+00 7.42260e-01 406 2022 10 6.15838e-01 3.54066e-01 505 2022 11 1.08394e+00 6.06048e-01 457 2022 12 1.34947e+00 4.59199e-01 508 2023 1 1.12849e+00 1.09856e+00 816 2023 2 1.17910e+00 1.43613e+00 874 2023 3 1.38824e+00 5.77356e-01 745 2023 4 1.45414e+00 6.80816e-01 439 2023 5 1.04903e+00 9.51869e-01 406 2023 6 8.28054e-01 1.72081e-01 145 2023 7 1.22916e+00 7.17823e-01 204 2023 8 1.34194e+00 3.86764e-01 359 2023 9 1.08985e+00 5.83048e-01 605 2023 10 1.00325e+00 4.61447e-01 586 2023 11 1.59025e+00 6.63059e-01 712 2023 12 1.09906e+00 5.09796e-01 247 2024 1 1.37373e+00 1.54967e+00 198 2024 2 1.62715e+00 4.92240e-01 721 2024 3 2.94452e+00 7.20474e-01 424 2024 4 nan nan 0