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 1.83536e+01 6.51826e+00 209 2002 8 2.58873e+01 9.11424e+00 399 2002 9 1.34015e+01 7.48846e+00 464 2002 10 1.33902e+01 5.91259e+00 835 2002 11 1.26130e+01 5.88376e+00 897 2002 12 7.90375e+00 3.79553e+00 768 2003 1 4.43713e+00 2.75731e+00 980 2003 2 9.14995e+00 4.32901e+00 576 2003 3 1.70945e-02 4.32275e-02 37 2003 4 9.43995e-02 1.09006e-01 64 2003 5 2.43102e-01 7.11010e-01 44 2003 6 2.60524e+01 2.33594e+01 246 2003 7 4.19592e+00 4.19942e+00 128 2003 8 1.91870e+01 1.12565e+01 254 2003 9 1.21591e+01 6.98487e+00 403 2003 10 1.48726e+01 1.24471e+01 832 2003 11 1.25365e+01 5.78770e+00 1143 2003 12 7.81136e+00 5.41718e+00 896 2004 1 1.18652e+01 6.63725e+00 785 2004 2 9.69359e+00 4.74079e+00 304 2004 3 4.53298e+00 4.77165e+00 671 2004 4 9.16638e+00 4.12405e+00 387 2004 5 1.41974e+01 8.16534e+00 652 2004 6 1.47542e+01 6.96720e+00 399 2004 7 1.32422e+01 6.11839e+00 362 2004 8 2.16685e+01 1.62679e+01 504 2004 9 8.73633e+00 1.18775e+01 293 2004 10 2.50322e+00 7.67929e+00 267 2004 11 6.14783e-01 2.40549e+00 374 2004 12 6.20221e-01 9.79966e-01 531 2005 1 4.41606e+00 5.38711e+00 798 2005 2 2.13960e+00 2.10006e+00 508 2005 3 3.77942e+00 3.05385e+00 581 2005 4 1.84696e+01 2.21740e+01 402 2005 5 1.84696e+01 1.51349e+01 465 2005 6 1.41843e+01 1.18968e+01 386 2005 7 8.86134e+00 1.50366e+01 345 2005 8 1.27309e+01 1.23397e+01 184 2005 9 7.93117e+00 6.38981e+00 384 2005 10 1.16511e+01 8.41371e+00 870 2005 11 1.13796e+01 5.56886e+00 1049 2005 12 9.92405e+00 5.05138e+00 1088 2006 1 5.09685e+00 3.78894e+00 704 2006 2 2.69830e+00 3.49989e+00 768 2006 3 6.96400e+00 9.28351e+00 704 2006 4 3.94937e+00 4.16208e+00 281 2006 5 1.77928e+01 9.62760e+00 598 2006 6 1.69229e+01 1.26999e+01 364 2006 7 1.06223e+01 6.83284e+00 344 2006 8 1.86212e+01 6.73783e+00 229 2006 9 1.35071e+01 8.95139e+00 612 2006 10 1.37076e+01 5.25256e+00 859 2006 11 1.61974e+01 6.18519e+00 899 2006 12 1.62366e+01 9.51116e+00 627 2007 1 1.70344e+01 2.99390e+00 358 2007 2 1.93275e+01 8.68106e+00 704 2007 3 1.47222e+01 7.58045e+00 974 2007 4 1.16163e+01 6.48679e+00 754 2007 5 2.10876e+01 5.31097e+00 223 2007 6 2.13108e+01 4.82618e+00 533 2007 7 1.31864e+01 6.29578e+00 501 2007 8 1.61779e+01 8.94790e+00 579 2007 9 1.54056e+01 5.35615e+00 405 2007 10 2.43326e+01 5.11804e+00 678 2007 11 2.58751e+01 4.62431e+00 1150 2007 12 2.53451e+01 1.01319e+01 804 2008 1 2.19304e+01 8.88414e+00 708 2008 2 2.09036e+01 7.21939e+00 1040 2008 3 1.03705e+01 9.79780e+00 771 2008 4 1.02042e+01 1.10100e+01 454 2008 5 8.59227e+00 7.53775e+00 505 2008 6 6.94327e+00 6.34933e+00 282 2008 7 1.70903e+01 1.11933e+01 440 2008 8 1.16014e+01 5.42184e+00 220 2008 9 8.75960e+00 9.75360e+00 520 2008 10 1.11066e+01 6.34624e+00 1080 2008 11 1.18771e+01 5.39694e+00 958 2008 12 5.20964e+00 3.65036e+00 832 2009 1 1.01564e+01 1.05864e+01 768 2009 2 7.95573e+00 4.45762e+00 960 2009 3 1.38231e+01 5.63742e+00 874 2009 4 6.62833e+00 6.04721e+00 572 2009 5 3.48729e+00 3.73030e+00 174 2009 6 1.89796e+01 1.34120e+01 448 2009 7 1.54441e+01 1.33663e+01 384 2009 8 1.45740e+01 1.44021e+01 564 2009 9 1.75204e+01 1.28665e+01 618 2009 10 1.82547e+01 8.56067e+00 909 2009 11 1.30817e+01 5.30278e+00 708 2009 12 9.99700e+00 5.74731e+00 256 2010 1 3.88991e+00 3.46554e+00 896 2010 2 2.67254e+00 4.72282e+00 640 2010 3 2.87953e-01 3.78474e-01 765 2010 4 2.10847e+00 3.43537e+00 312 2010 5 1.34723e+01 1.64843e+01 607 2010 6 1.64991e+01 6.48266e+00 635 2010 7 1.21541e+01 9.86805e+00 365 2010 8 2.47838e+01 1.27944e+01 247 2010 9 1.17555e+01 1.16968e+01 512 2010 10 1.07898e+01 6.86856e+00 1578 2010 11 1.70384e+01 6.08039e+00 1169 2010 12 1.49349e+01 7.68616e+00 1144 2011 1 1.96994e+01 8.17688e+00 723 2011 2 1.78241e+01 4.25614e+00 790 2011 3 1.26321e+01 5.15385e+00 793 2011 4 1.10565e+01 6.24461e+00 946 2011 5 1.37330e+01 4.99674e+00 632 2011 6 1.24099e+01 2.98851e+00 199 2011 7 1.31110e+01 6.97143e+00 451 2011 8 1.79158e+01 9.64787e+00 703 2011 9 1.53289e+01 9.01378e+00 758 2011 10 2.04151e+01 7.31681e+00 1095 2011 11 2.67480e+01 9.84589e+00 1060 2011 12 2.93520e+01 6.04202e+00 1086 2012 1 2.28832e+01 9.23826e+00 1163 2012 2 2.17819e+01 3.38649e+00 280 2012 3 1.83512e+01 6.49951e+00 880 2012 4 2.10050e+01 6.76344e+00 982 2012 5 1.98344e+01 6.00360e+00 416 2012 6 9.83878e+00 4.26099e+00 192 2012 7 8.82902e+00 7.42711e+00 89 2012 8 1.38444e+01 2.05350e+01 256 2012 9 3.06435e+00 5.76402e+00 336 2012 10 3.98274e+00 6.43903e+00 817 2012 11 4.90166e+00 4.45344e+00 1002 2012 12 5.78792e+00 4.22533e+00 683 2013 1 1.35575e+01 9.66845e+00 672 2013 2 1.50367e+01 7.55022e+00 677 2013 3 7.32155e+00 5.58766e+00 659 2013 4 1.66133e+01 1.73566e+01 382 2013 5 7.77217e+00 6.41298e+00 473 2013 6 2.52880e+01 2.56062e+01 267 2013 7 8.69987e+00 2.99594e+00 153 2013 8 1.18873e+00 3.52357e+00 194 2013 9 1.25761e+01 1.67251e+01 779 2013 10 1.11059e+01 1.27639e+01 907 2013 11 8.43961e+00 6.15428e+00 521 2013 12 1.13352e+01 6.50357e+00 575 2014 1 1.17915e+01 5.50374e+00 576 2014 2 5.48017e+00 3.54577e+00 652 2014 3 3.60653e+00 2.47651e+00 537 2014 4 1.39112e+00 2.01243e+00 190 2014 5 2.69978e+01 2.85908e+01 137 2014 6 6.56858e+00 8.50518e+00 215 2014 7 5.33447e+00 8.02453e+00 611 2014 8 9.58772e+00 6.06688e+00 300 2014 9 2.42010e+01 1.25459e+01 499 2014 10 1.19389e+01 1.05470e+01 1454 2014 11 1.11400e+01 5.52515e+00 972 2014 12 1.99271e+01 9.77530e+00 819 2015 1 1.97403e+01 9.51674e+00 741 2015 2 1.39845e+01 8.88748e+00 832 2015 3 7.21791e+00 8.02951e+00 260 2015 4 1.75776e+00 3.48325e+00 68 2015 5 8.57655e+00 8.67404e+00 613 2015 6 1.74751e+01 1.08210e+01 512 2015 7 2.16521e+01 1.52226e+01 174 2015 8 8.13960e+00 5.40157e+00 341 2015 9 1.03445e+01 9.65729e+00 395 2015 10 8.67210e+00 6.68127e+00 733 2015 11 9.52424e+00 8.32026e+00 580 2015 12 1.56060e+01 8.49425e+00 534 2016 1 1.08525e+01 4.51579e+00 640 2016 2 7.17577e+00 4.88375e+00 1158 2016 3 4.02620e+00 2.67763e+00 640 2016 4 1.10382e+01 1.29522e+01 488 2016 5 7.46035e+00 8.82384e+00 515 2016 6 1.14631e+01 8.01324e+00 575 2016 7 8.36007e+00 9.33494e+00 863 2016 8 7.64197e+00 4.20068e+00 707 2016 9 1.16525e+01 1.72374e+01 846 2016 10 1.61211e+01 7.45316e+00 907 2016 11 1.87103e+01 6.43548e+00 888 2016 12 1.90531e+01 6.37314e+00 804 2017 1 1.87676e+01 9.02861e+00 761 2017 2 1.27218e+01 6.00033e+00 1088 2017 3 1.56576e+01 8.33433e+00 945 2017 4 1.01876e+01 6.24679e+00 849 2017 5 1.03961e+01 3.19068e+00 470 2017 6 2.29869e+01 1.14063e+01 384 2017 7 1.97113e+01 1.10341e+01 192 2017 8 9.41971e+00 6.18657e+00 565 2017 9 8.56425e+00 6.69447e+00 529 2017 10 3.35036e+00 1.11477e+01 514 2017 11 1.38607e+01 8.61729e+00 1211 2017 12 1.49092e+01 5.28302e+00 722 2018 1 1.57431e+01 6.17483e+00 664 2018 2 1.44174e+01 8.40028e+00 573 2018 3 1.21799e+01 7.07820e+00 825 2018 4 7.42217e+00 8.49789e+00 569 2018 5 1.07221e+01 9.05389e+00 501 2018 6 1.02092e+01 7.65873e+00 391 2018 7 1.45328e+01 1.60093e+01 94 2018 8 1.69445e+01 1.79022e+01 313 2018 9 1.52409e+01 1.26922e+01 940 2018 10 1.27572e+01 1.19596e+01 967 2018 11 2.10750e+00 1.60691e+00 296 2018 12 3.23721e+00 3.60140e+00 725 2019 1 6.15327e-01 8.53440e-01 612 2019 2 6.68693e+00 1.14334e+01 317 2019 3 3.91690e+00 4.63521e+00 562 2019 4 2.08184e+00 1.00619e+00 269 2019 5 1.26709e+01 1.12914e+01 887 2019 6 1.63517e+01 1.47558e+01 212 2019 7 1.70804e+01 9.20791e+00 447 2019 8 1.30891e+01 1.70197e+01 568 2019 9 1.49440e+01 7.67635e+00 721 2019 10 1.11242e+01 1.03605e+01 662 2019 11 1.32885e+01 7.23630e+00 770 2019 12 1.19967e+01 5.96435e+00 575 2020 1 1.28975e+01 4.36056e+00 558 2020 2 1.11680e+01 5.84867e+00 514 2020 3 1.14224e+01 1.06924e+01 689 2020 4 3.89095e+00 2.60870e+00 635 2020 5 9.39658e+00 5.44197e+00 602 2020 6 6.77386e+00 6.95773e+00 617 2020 7 9.41914e+00 1.41571e+01 322 2020 8 1.12870e+01 6.55648e+00 184 2020 9 4.77363e+00 1.11674e+01 382 2020 10 1.30917e+01 1.58897e+01 675 2020 11 3.63747e+00 4.64622e+00 736 2020 12 7.05134e+00 6.39003e+00 560 2021 1 2.88166e+00 3.50747e+00 561 2021 2 6.82828e-01 8.56980e-01 510 2021 3 3.53504e+00 4.74050e+00 291 2021 4 1.15404e+00 1.18701e+00 230 2021 5 7.26742e+00 1.27715e+01 541 2021 6 2.47113e+01 2.12455e+01 190 2021 7 2.10566e+01 7.39780e+00 71 2021 8 3.85690e+01 3.16939e+01 104 2021 9 2.59632e+00 6.02000e+00 559 2021 10 6.54437e+00 9.07348e+00 731 2021 11 3.75696e+00 6.71407e+00 793 2021 12 7.11312e+00 1.22102e+01 502 2022 1 2.91507e+00 2.70188e+00 987 2022 2 6.67930e+00 4.92591e+00 821 2022 3 4.97907e+00 5.04150e+00 776 2022 4 1.46456e+01 0.00000e+00 2 2022 5 6.62569e+00 1.03573e+01 473 2022 6 1.47579e+01 1.23851e+01 372 2022 7 9.47340e-01 1.15850e+00 79 2022 8 2.51967e+01 1.15319e+01 445 2022 9 1.77278e+01 6.89350e+00 324 2022 10 8.22972e+00 6.70531e+00 1394 2022 11 1.87064e+01 4.38799e+00 582 2022 12 1.42767e+01 9.81441e+00 1030 2023 1 1.45188e+01 6.15984e+00 930 2023 2 1.71442e+01 6.27782e+00 658 2023 3 1.48364e+01 7.27072e+00 837 2023 4 1.66543e+01 1.05140e+01 362 2023 5 2.11374e+01 1.02744e+01 371 2023 6 2.75700e+01 3.84873e+00 256 2023 7 2.09962e+01 1.55788e+01 560 2023 8 1.78357e+01 1.64296e+01 518 2023 9 1.01125e+01 1.22018e+01 410 2023 10 1.24517e+01 9.54396e+00 623 2023 11 1.25633e+01 8.92628e+00 627 2023 12 6.96188e+00 7.08787e+00 299 2024 1 1.64251e+00 2.07634e+00 649 2024 2 5.47701e+00 7.44868e+00 540 2024 3 1.74426e+00 2.33622e+00 129 2024 4 nan nan 0