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 2.72724e+01 1.02023e+01 230 2002 8 3.07827e+01 1.10621e+01 499 2002 9 2.59733e+01 1.05402e+01 420 2002 10 2.26690e+01 7.89911e+00 810 2002 11 1.71027e+01 9.33118e+00 871 2002 12 1.95824e+01 1.19259e+01 640 2003 1 1.29060e+01 7.91057e+00 933 2003 2 1.87228e+01 7.69436e+00 561 2003 3 4.24775e-01 2.55135e-01 128 2003 4 4.97404e-01 1.22352e-01 41 2003 5 2.24107e+01 2.91228e+01 279 2003 6 1.52075e+01 2.43885e+01 411 2003 7 3.38935e+01 1.65207e+01 150 2003 8 2.84936e+01 2.87457e+01 397 2003 9 2.62043e+01 1.57459e+01 440 2003 10 2.03856e+01 1.45575e+01 970 2003 11 1.48638e+01 8.64123e+00 957 2003 12 2.01691e+01 1.08965e+01 888 2004 1 1.54113e+01 7.65645e+00 832 2004 2 1.85632e+01 8.45156e+00 512 2004 3 9.00034e+00 6.60764e+00 739 2004 4 1.51394e+01 8.38210e+00 510 2004 5 2.72599e+01 7.99027e+00 618 2004 6 2.59785e+01 1.06839e+01 451 2004 7 2.13141e+01 1.08781e+01 448 2004 8 2.14044e+01 8.89476e+00 494 2004 9 1.78017e+01 1.64551e+01 230 2004 10 9.40987e+00 1.33459e+01 175 2004 11 1.43036e+00 2.01509e+00 217 2004 12 5.31035e+00 1.29821e+01 585 2005 1 6.26579e+00 9.15283e+00 845 2005 2 6.32197e+00 5.40557e+00 640 2005 3 1.17413e+01 9.39663e+00 555 2005 4 9.93558e+00 1.96550e+01 432 2005 5 4.32695e+01 1.16022e+01 121 2005 6 2.05047e+01 1.57447e+01 268 2005 7 1.15906e+01 1.46219e+01 352 2005 8 5.92683e+00 3.70508e+00 175 2005 9 2.28468e+01 1.80265e+01 345 2005 10 2.14740e+01 1.42217e+01 920 2005 11 1.70362e+01 8.40912e+00 1056 2005 12 1.27863e+01 9.76667e+00 1022 2006 1 9.06142e+00 1.33406e+01 641 2006 2 5.90402e+00 1.25189e+01 630 2006 3 9.02686e+00 1.18934e+01 1017 2006 4 1.13545e+01 8.27660e+00 422 2006 5 2.28408e+01 1.23507e+01 488 2006 6 2.86256e+01 1.07725e+01 369 2006 7 1.70117e+01 6.97315e+00 188 2006 8 2.02141e+01 7.31778e+00 220 2006 9 2.50153e+01 6.34044e+00 880 2006 10 2.82258e+01 1.14981e+01 845 2006 11 2.18275e+01 1.08466e+01 846 2006 12 3.01039e+01 8.14433e+00 534 2007 1 2.54092e+01 9.47848e+00 384 2007 2 2.98888e+01 1.38005e+01 774 2007 3 2.37640e+01 1.00443e+01 1150 2007 4 2.77340e+01 1.17299e+01 574 2007 5 3.79973e+01 7.83725e+00 235 2007 6 2.79531e+01 1.24973e+01 410 2007 7 3.23778e+01 8.31277e+00 381 2007 8 2.26436e+01 9.15440e+00 478 2007 9 2.36958e+01 3.78546e+00 511 2007 10 2.50275e+01 8.59809e+00 816 2007 11 2.91237e+01 1.30068e+01 1088 2007 12 2.61961e+01 1.38388e+01 776 2008 1 2.63069e+01 1.52693e+01 640 2008 2 1.90308e+01 8.47223e+00 812 2008 3 8.60833e+00 9.82074e+00 678 2008 4 2.21197e+01 2.40367e+01 457 2008 5 1.08029e+01 8.71392e+00 464 2008 6 2.09002e+01 1.51400e+01 505 2008 7 2.34795e+01 1.15425e+01 446 2008 8 2.72066e+01 9.30267e+00 258 2008 9 1.76382e+01 1.26744e+01 535 2008 10 1.31705e+01 9.56466e+00 889 2008 11 2.46149e+01 1.02121e+01 1024 2008 12 8.62076e+00 7.73785e+00 931 2009 1 1.77987e+01 1.39993e+01 690 2009 2 1.66323e+01 9.62066e+00 930 2009 3 2.28199e+01 8.46132e+00 963 2009 4 1.35854e+01 9.44519e+00 333 2009 5 1.55102e+01 1.13039e+01 157 2009 6 3.26275e+01 1.50798e+01 260 2009 7 3.09108e+01 2.25881e+01 102 2009 8 2.16053e+01 1.87198e+01 558 2009 9 2.59583e+01 1.37912e+01 746 2009 10 2.37245e+01 9.75652e+00 830 2009 11 2.17064e+01 1.04834e+01 717 2009 12 2.42433e+01 1.35789e+01 256 2010 1 1.13772e+01 5.69868e+00 960 2010 2 5.08415e+00 3.81726e+00 675 2010 3 2.46253e+00 2.60767e+00 886 2010 4 8.28912e+00 6.97081e+00 194 2010 5 2.20937e+01 1.71972e+01 579 2010 6 2.24207e+01 1.27494e+01 550 2010 7 1.56754e+01 1.05848e+01 319 2010 8 1.67012e+01 7.49778e+00 165 2010 9 2.33302e+01 1.75343e+01 612 2010 10 2.43025e+01 7.52629e+00 1471 2010 11 2.37589e+01 6.07475e+00 1162 2010 12 2.23211e+01 1.27169e+01 960 2011 1 2.65940e+01 1.39060e+01 551 2011 2 3.28135e+01 7.73048e+00 827 2011 3 2.88772e+01 9.66469e+00 780 2011 4 2.23043e+01 9.45683e+00 897 2011 5 2.66385e+01 9.40786e+00 831 2011 6 2.51476e+01 7.98501e+00 256 2011 7 2.71176e+01 6.00598e+00 384 2011 8 3.33678e+01 8.17017e+00 432 2011 9 2.93539e+01 1.05480e+01 752 2011 10 2.59810e+01 1.29005e+01 961 2011 11 2.83533e+01 1.18731e+01 1133 2011 12 3.35657e+01 1.03120e+01 1024 2012 1 3.31975e+01 1.57695e+01 920 2012 2 2.59328e+01 1.34008e+01 160 2012 3 3.35417e+01 1.30322e+01 831 2012 4 3.05598e+01 7.12623e+00 765 2012 5 2.98516e+01 7.36994e+00 320 2012 6 2.43467e+01 6.97994e+00 128 2012 7 1.60613e+01 7.42085e+00 246 2012 8 9.23562e+00 1.41034e+01 367 2012 9 1.50382e+01 2.11911e+01 554 2012 10 1.00863e+01 1.82218e+01 519 2012 11 1.71213e+01 8.00197e+00 896 2012 12 1.08339e+01 8.27875e+00 571 2013 1 1.74651e+01 1.29909e+01 597 2013 2 1.76365e+01 6.69571e+00 557 2013 3 1.84192e+01 1.17230e+01 701 2013 4 1.20971e+01 2.30584e+01 441 2013 5 2.42178e+01 1.73727e+01 324 2013 6 2.30046e+01 2.88132e+01 377 2013 7 8.41631e+00 5.15261e+00 81 2013 8 1.31235e+01 2.04385e+01 162 2013 9 1.13481e+01 1.58758e+01 280 2013 10 2.11453e+01 1.89595e+01 958 2013 11 1.19026e+01 9.96719e+00 431 2013 12 1.73587e+01 9.09825e+00 768 2014 1 1.19707e+01 5.26377e+00 497 2014 2 1.27808e+01 1.01568e+01 704 2014 3 5.66682e+00 4.49417e+00 535 2014 4 2.02188e+00 2.08331e+00 129 2014 5 2.28411e+00 8.05437e-01 128 2014 6 7.60078e+00 1.27924e+01 256 2014 7 7.81391e+00 6.81627e+00 565 2014 8 1.98400e+01 6.75277e+00 433 2014 9 3.67948e+01 2.22780e+01 326 2014 10 1.43494e+01 1.13200e+01 1235 2014 11 2.04268e+01 1.03410e+01 1021 2014 12 2.55215e+01 1.34198e+01 565 2015 1 1.69372e+01 1.25247e+01 830 2015 2 1.88406e+01 1.21139e+01 768 2015 3 9.69667e+00 9.34626e+00 339 2015 4 1.04592e+01 4.67576e+00 64 2015 5 1.99713e+01 9.80640e+00 576 2015 6 2.03392e+01 1.23530e+01 341 2015 7 2.14174e+01 1.05572e+01 128 2015 8 1.54787e+01 1.15141e+01 402 2015 9 1.62032e+01 5.14292e+00 256 2015 10 1.79779e+01 6.64000e+00 808 2015 11 1.43404e+01 8.48102e+00 797 2015 12 2.02121e+01 1.05216e+01 557 2016 1 1.54562e+01 1.18701e+01 558 2016 2 8.86271e+00 8.79060e+00 1092 2016 3 9.59094e+00 6.27658e+00 768 2016 4 1.83885e+01 1.69459e+01 448 2016 5 1.51428e+01 1.12688e+01 591 2016 6 2.62356e+01 8.39165e+00 512 2016 7 2.10184e+01 8.73516e+00 688 2016 8 2.36011e+01 1.40894e+01 740 2016 9 1.17525e+01 6.40359e+00 585 2016 10 2.05169e+01 1.12644e+01 962 2016 11 2.67326e+01 7.66329e+00 896 2016 12 2.56262e+01 9.98085e+00 745 2017 1 2.51954e+01 1.20304e+01 600 2017 2 1.08873e+01 7.60535e+00 924 2017 3 2.13733e+01 1.48157e+01 875 2017 4 2.57408e+01 7.05981e+00 832 2017 5 2.91888e+01 6.83030e+00 545 2017 6 2.93775e+01 1.25447e+01 256 2017 7 2.39326e+01 7.18669e+00 128 2017 8 1.73262e+01 1.42470e+01 576 2017 9 1.27935e+01 9.88305e+00 483 2017 10 1.34025e+01 2.44694e+01 415 2017 11 1.47202e+01 1.10406e+01 1136 2017 12 2.18247e+01 1.04903e+01 622 2018 1 2.16130e+01 7.84383e+00 576 2018 2 2.39519e+01 1.07580e+01 640 2018 3 2.17248e+01 1.08934e+01 795 2018 4 1.99361e+01 9.78213e+00 683 2018 5 3.09287e+01 1.11074e+01 342 2018 6 2.62832e+01 5.42852e+00 255 2018 7 1.68732e+01 1.62622e+01 176 2018 8 3.11019e+01 2.44987e+01 345 2018 9 3.07565e+01 2.32577e+01 669 2018 10 1.59223e+01 1.16325e+01 912 2018 11 6.59096e+00 5.76829e+00 366 2018 12 9.75801e+00 1.27248e+01 692 2019 1 1.76946e+00 2.04317e+00 507 2019 2 2.72624e+00 9.24421e+00 178 2019 3 9.94660e+00 9.53676e+00 585 2019 4 9.57064e+00 8.10682e+00 416 2019 5 1.92479e+01 9.27812e+00 674 2019 6 3.34044e+01 2.41704e+00 97 2019 7 3.26579e+01 1.42658e+01 177 2019 8 1.48079e+01 1.60257e+01 383 2019 9 2.43085e+01 1.12981e+01 673 2019 10 1.53929e+01 7.84856e+00 662 2019 11 1.95974e+01 8.47901e+00 832 2019 12 1.63984e+01 1.11888e+01 604 2020 1 1.96483e+01 1.02272e+01 783 2020 2 1.68441e+01 8.65279e+00 514 2020 3 2.11431e+01 1.75643e+01 584 2020 4 1.49532e+01 1.25769e+01 320 2020 5 1.57201e+01 9.83067e+00 700 2020 6 1.74383e+01 9.38284e+00 383 2020 7 2.83147e+01 1.41208e+01 201 2020 8 8.90079e+00 5.35433e+00 212 2020 9 1.60703e+01 1.22997e+01 317 2020 10 9.77200e+00 1.24146e+01 675 2020 11 6.28451e+00 5.22109e+00 960 2020 12 1.47766e+01 1.06598e+01 804 2021 1 1.07439e+01 1.25148e+01 449 2021 2 3.12709e+00 3.08796e+00 496 2021 3 4.65730e+00 8.84545e+00 358 2021 4 4.46584e+00 7.30872e+00 424 2021 5 9.02185e+00 6.66779e+00 608 2021 6 3.43952e+01 1.86930e+01 192 2021 7 2.35834e+01 2.07738e+01 262 2021 8 1.48111e+01 2.99177e+01 169 2021 9 6.92662e+00 8.83796e+00 166 2021 10 1.53287e+01 1.88171e+01 534 2021 11 1.12244e+01 1.05996e+01 974 2021 12 1.09226e+01 1.32487e+01 674 2022 1 6.71704e+00 4.43537e+00 839 2022 2 1.33250e+01 9.76401e+00 918 2022 3 1.41561e+01 7.00706e+00 864 2022 4 3.26193e+00 3.34290e+00 33 2022 5 1.31501e+01 8.56593e+00 383 2022 6 2.49762e+01 9.33428e+00 448 2022 7 2.61756e+01 1.20660e+01 468 2022 8 2.42246e+01 1.34096e+01 442 2022 9 3.29064e+01 2.17013e+01 332 2022 10 2.38940e+01 9.26902e+00 1147 2022 11 2.38689e+01 1.17144e+01 539 2022 12 1.95746e+01 1.23859e+01 848 2023 1 2.67114e+01 9.81770e+00 890 2023 2 2.64795e+01 8.75080e+00 706 2023 3 1.79929e+01 1.22536e+01 768 2023 4 2.49253e+01 1.65311e+01 384 2023 5 2.54291e+01 1.36966e+01 384 2023 6 3.00211e+01 4.28176e+00 314 2023 7 2.01727e+01 1.23471e+01 572 2023 8 2.14922e+01 2.16019e+01 320 2023 9 1.56360e+01 1.59592e+01 538 2023 10 1.90789e+01 1.25936e+01 767 2023 11 2.11304e+01 1.02754e+01 720 2023 12 1.42359e+01 8.99950e+00 285 2024 1 1.25471e+00 2.81535e+00 481 2024 2 6.34621e+00 7.31899e+00 616 2024 3 1.32590e+01 1.64861e+01 570 2024 4 nan nan 0