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 3.28054e+01 3.88247e+00 364 2002 8 3.00691e+01 3.80932e+00 384 2002 9 1.93470e+01 5.35389e+00 516 2002 10 1.40314e+01 3.74624e+00 1082 2002 11 4.89438e+00 4.22422e+00 636 2002 12 7.03370e+00 3.23099e+00 665 2003 1 8.23595e+00 3.92913e+00 653 2003 2 1.13377e+01 2.47277e+00 535 2003 3 1.60608e+01 1.98434e+00 331 2003 4 1.25036e+01 6.83126e+00 560 2003 5 2.95106e+01 4.68376e+00 585 2003 6 3.40406e+01 5.43399e+00 309 2003 7 2.69232e+01 3.44999e+00 364 2003 8 2.92071e+01 2.98059e+00 457 2003 9 1.85213e+01 7.20080e+00 472 2003 10 1.06478e+01 3.45829e+00 768 2003 11 9.02908e+00 5.61368e+00 1088 2003 12 5.84177e+00 4.48047e+00 940 2004 1 1.19078e+01 5.41215e+00 1020 2004 2 1.45729e+01 5.57892e+00 732 2004 3 2.65677e+01 3.20565e+00 1088 2004 4 1.52674e+01 5.07666e+00 576 2004 5 2.81070e+01 3.15600e+00 768 2004 6 3.22717e+01 4.32096e+00 602 2004 7 2.30289e+01 1.01026e+01 649 2004 8 1.91971e+01 6.59032e+00 480 2004 9 8.74197e+00 8.11254e+00 576 2004 10 5.06984e+00 2.07100e+00 941 2004 11 4.11179e+00 2.71747e+00 1085 2004 12 3.44404e+00 3.75611e+00 459 2005 1 8.28598e+00 3.93953e+00 962 2005 2 6.35950e+00 4.86072e+00 1021 2005 3 1.06445e+01 5.43348e+00 245 2005 4 2.45977e+01 3.74598e+00 892 2005 5 3.17576e+01 3.34676e+00 640 2005 6 2.18120e+01 3.49098e+00 367 2005 7 1.77310e+01 1.35737e+01 320 2005 8 1.71415e+01 2.55679e+00 451 2005 9 1.37514e+00 8.76435e-01 258 2005 10 1.83464e+00 2.97686e+00 685 2005 11 1.25422e+00 1.25150e+00 942 2005 12 2.05609e+00 1.17873e+00 960 2006 1 8.02082e+00 5.25504e+00 714 2006 2 1.07546e+01 6.06636e+00 960 2006 3 1.75535e+01 2.98914e+00 1205 2006 4 2.73891e+01 3.10717e+00 946 2006 5 2.89655e+01 4.97112e+00 997 2006 6 2.47018e+01 4.18139e+00 720 2006 7 2.97313e+01 3.85808e+00 473 2006 8 3.15959e+01 2.19626e+00 512 2006 9 2.26996e+01 6.10660e+00 534 2006 10 8.23128e+00 4.51035e+00 832 2006 11 5.85364e+00 3.87143e+00 625 2006 12 9.15145e+00 4.33773e+00 356 2007 1 1.29878e+01 3.02768e+00 640 2007 2 1.14315e+01 6.33934e+00 606 2007 3 2.58745e+01 4.94430e+00 792 2007 4 1.77622e+01 1.06438e+01 748 2007 5 2.33367e+01 5.56860e+00 640 2007 6 2.22616e+01 7.12446e+00 564 2007 7 2.61045e+01 3.21512e+00 494 2007 8 1.92521e+01 3.47546e+00 753 2007 9 1.77215e+01 3.82946e+00 782 2007 10 1.27041e+01 3.91462e+00 741 2007 11 6.79715e+00 4.73519e+00 1016 2007 12 1.20584e+01 5.82404e+00 1152 2008 1 1.21795e+01 5.93985e+00 721 2008 2 1.86978e+01 7.67325e+00 832 2008 3 1.68429e+01 1.02005e+01 607 2008 4 2.55542e+01 4.75541e+00 832 2008 5 2.74172e+01 4.73205e+00 616 2008 6 3.21535e+01 3.02550e+00 704 2008 7 2.53319e+01 3.04669e+00 387 2008 8 2.05246e+01 3.12564e+00 265 2008 9 7.74848e+00 6.49538e+00 435 2008 10 1.00983e+01 5.25929e+00 978 2008 11 9.32697e+00 4.09928e+00 1040 2008 12 9.25721e+00 6.51496e+00 1205 2009 1 1.30290e+01 6.86469e+00 793 2009 2 1.97257e+01 9.62788e+00 989 2009 3 1.72611e+01 8.19049e+00 896 2009 4 2.64662e+01 6.90463e+00 768 2009 5 3.25356e+01 3.76077e+00 589 2009 6 2.96285e+01 2.59403e+00 384 2009 7 3.06825e+01 6.39701e+00 507 2009 8 2.88870e+01 2.74895e+00 353 2009 9 2.17686e+01 4.92442e+00 483 2009 10 1.55072e+01 5.30932e+00 842 2009 11 1.05907e+01 4.02763e+00 388 2009 12 5.17327e+00 2.22112e+00 448 2010 1 1.04370e+01 5.50318e+00 474 2010 2 7.21625e+00 5.31901e+00 386 2010 3 1.14679e+01 6.95133e+00 938 2010 4 1.54513e+01 4.17533e+00 640 2010 5 3.11157e+01 3.11419e+00 896 2010 6 2.85402e+01 2.71268e+00 896 2010 7 3.10892e+01 3.66900e+00 478 2010 8 2.44472e+01 4.11485e+00 703 2010 9 2.43465e+01 5.40721e+00 662 2010 10 1.35132e+01 3.66120e+00 1048 2010 11 1.25174e+01 3.12281e+00 1111 2010 12 2.77189e+00 2.62865e+00 657 2011 1 9.03294e+00 3.73732e+00 376 2011 2 1.46634e+01 3.43157e+00 1024 2011 3 1.80037e+01 2.01687e+00 1057 2011 4 2.29579e+01 3.90730e+00 896 2011 5 2.35989e+01 5.35425e+00 793 2011 6 3.02245e+01 4.27662e+00 576 2011 7 2.83611e+01 4.57451e+00 682 2011 8 2.82057e+01 3.55070e+00 615 2011 9 1.05608e+01 1.94684e+00 320 2011 10 1.06021e+01 6.52633e+00 565 2011 11 1.13234e+01 4.01373e+00 1220 2011 12 1.14394e+01 3.23940e+00 1162 2012 1 8.80307e+00 4.03112e+00 1152 2012 2 1.87324e+01 5.14064e+00 512 2012 3 1.78972e+01 7.44432e+00 1031 2012 4 2.66028e+01 3.53491e+00 704 2012 5 2.80109e+01 2.56553e+00 576 2012 6 2.39550e+01 8.80121e+00 304 2012 7 2.93417e+01 1.80953e+00 103 2012 8 2.91638e+01 2.73442e+00 384 2012 9 2.11757e+01 2.76283e+00 642 2012 10 1.63272e+01 6.45136e+00 772 2012 11 1.48164e+01 2.25500e+00 906 2012 12 1.08363e+01 6.97091e+00 708 2013 1 1.36183e+01 3.77634e+00 965 2013 2 1.37141e+01 6.26777e+00 798 2013 3 1.75328e+01 7.69315e+00 769 2013 4 2.77344e+01 4.54512e+00 489 2013 5 1.94940e+01 5.40534e+00 770 2013 6 2.87155e+01 4.24684e+00 578 2013 7 2.78916e+01 3.44176e+00 388 2013 8 1.88959e+01 6.80420e+00 529 2013 9 1.37157e+01 3.61817e+00 469 2013 10 8.77133e+00 7.17473e+00 658 2013 11 7.19931e+00 3.98299e+00 661 2013 12 7.39934e+00 2.45130e+00 578 2014 1 6.20835e+00 2.59580e+00 592 2014 2 1.58626e+01 5.46154e+00 832 2014 3 1.84527e+01 5.43250e+00 699 2014 4 2.15428e+01 5.41715e+00 512 2014 5 2.60987e+01 3.76110e+00 834 2014 6 2.97039e+01 4.07305e+00 576 2014 7 2.31446e+01 4.26563e+00 295 2014 8 2.17965e+01 4.73177e+00 521 2014 9 1.37428e+01 1.33275e+00 256 2014 10 1.50702e+01 4.21705e+00 1017 2014 11 7.16176e+00 3.56905e+00 809 2014 12 9.21753e+00 3.00606e+00 832 2015 1 5.33840e+00 4.26245e+00 641 2015 2 6.51728e+00 2.32554e+00 732 2015 3 1.74246e+01 3.85914e+00 1194 2015 4 2.18624e+01 4.08627e+00 556 2015 5 1.07568e+01 6.37392e+00 945 2015 6 2.40042e+01 4.37341e+00 454 2015 7 2.40836e+01 2.91862e+00 247 2015 8 1.74680e+01 2.87005e+00 310 2015 9 1.56980e+01 4.59937e+00 300 2015 10 1.05715e+01 1.27184e+00 630 2015 11 1.29158e+01 3.17995e+00 768 2015 12 1.69635e+01 6.29887e+00 360 2016 1 5.02757e+00 4.19501e+00 256 2016 2 1.02961e+01 8.37992e+00 962 2016 3 2.10594e+01 8.06009e+00 455 2016 4 2.12901e+01 2.47287e+00 821 2016 5 1.30193e+01 5.91577e+00 772 2016 6 2.82769e+01 6.04289e+00 768 2016 7 3.20138e+01 3.74463e+00 436 2016 8 2.34161e+01 6.05407e+00 754 2016 9 2.09519e+01 3.61402e+00 709 2016 10 1.21996e+01 7.59166e+00 995 2016 11 1.53998e+01 4.52072e+00 1216 2016 12 1.40088e+01 1.82641e+00 948 2017 1 1.22328e+01 7.66211e+00 1158 2017 2 1.52642e+01 7.14911e+00 988 2017 3 2.36310e+01 3.64751e+00 1118 2017 4 2.51875e+01 3.72750e+00 706 2017 5 2.50723e+01 3.96342e+00 819 2017 6 2.54845e+01 8.80719e+00 151 2017 7 2.77583e+01 2.15080e+00 289 2017 8 2.44803e+01 1.81654e+00 640 2017 9 1.14883e+01 1.19147e+01 861 2017 10 4.94492e+00 4.16560e+00 795 2017 11 3.68551e+00 2.44996e+00 1137 2017 12 8.46869e+00 3.70915e+00 795 2018 1 7.80901e+00 2.76959e+00 558 2018 2 1.95761e+01 2.88572e+00 832 2018 3 1.99181e+01 5.06660e+00 1216 2018 4 2.15526e+01 5.14146e+00 832 2018 5 2.85584e+01 5.03573e+00 374 2018 6 2.74554e+01 3.47684e+00 329 2018 7 2.02896e+01 5.88243e+00 597 2018 8 2.37822e+01 2.95890e+00 648 2018 9 1.32118e+01 6.85407e+00 493 2018 10 1.46549e+01 7.65866e+00 960 2018 11 3.91355e+00 3.10394e+00 714 2018 12 2.45680e+00 2.01319e+00 640 2019 1 5.95652e+00 3.81117e+00 760 2019 2 1.94401e+01 2.65587e+00 960 2019 3 1.69607e+01 3.39310e+00 761 2019 4 2.26197e+01 6.93965e+00 667 2019 5 2.56051e+01 2.83511e+00 719 2019 6 2.77878e+01 5.55836e+00 572 2019 7 2.53672e+01 2.77127e+00 448 2019 8 2.72061e+01 3.93133e+00 401 2019 9 6.79976e+00 3.71123e+00 832 2019 10 4.68784e+00 2.57152e+00 1033 2019 11 2.84787e+00 2.04833e+00 736 2019 12 8.11054e+00 2.63242e+00 609 2020 1 1.33805e+01 6.80584e+00 936 2020 2 1.55026e+01 5.00496e+00 745 2020 3 2.57628e+01 4.21469e+00 1187 2020 4 3.49085e+01 9.41600e+00 386 2020 5 2.59653e+01 4.98967e+00 520 2020 6 2.60066e+01 2.85713e+00 512 2020 7 2.29322e+01 4.43359e+00 256 2020 8 1.72760e+01 2.14704e+00 384 2020 9 2.10778e+01 3.31993e+00 263 2020 10 1.36575e+01 2.94341e+00 456 2020 11 5.04357e+00 4.58728e+00 702 2020 12 4.14899e+00 3.13749e+00 741 2021 1 8.31951e+00 3.85340e+00 792 2021 2 1.90245e+01 1.08476e+01 674 2021 3 2.32183e+01 4.15844e+00 969 2021 4 2.39338e+01 4.88797e+00 768 2021 5 2.95941e+01 2.78518e+00 905 2021 6 3.13200e+01 4.33258e+00 192 2021 7 1.91100e+01 1.17353e+01 625 2021 8 1.36086e+01 3.97405e+00 554 2021 9 8.06251e+00 2.92530e+00 515 2021 10 7.34297e+00 2.44150e+00 613 2021 11 5.85344e+00 3.99520e+00 801 2021 12 1.63165e+01 4.97661e+00 921 2022 1 1.06982e+01 7.52617e+00 546 2022 2 1.14247e+01 4.57538e+00 961 2022 3 1.55163e+01 5.92289e+00 1031 2022 4 2.66376e+01 5.53175e+00 364 2022 5 3.12188e+01 4.44183e+00 686 2022 6 3.25348e+01 4.48182e+00 699 2022 7 3.59312e+01 4.33632e+00 358 2022 8 1.44584e+01 6.56662e+00 559 2022 9 1.77269e+01 7.46828e+00 318 2022 10 1.67597e+00 1.66603e+00 891 2022 11 6.35796e+00 3.60390e+00 777 2022 12 9.15765e+00 3.10275e+00 814 2023 1 1.43924e+01 6.02738e+00 914 2023 2 1.62514e+01 1.07586e+01 1209 2023 3 2.68227e+01 4.95132e+00 974 2023 4 2.92600e+01 5.43364e+00 384 2023 5 2.00950e+01 7.46516e+00 728 2023 6 2.99316e+01 3.92374e+00 447 2023 7 2.02920e+01 1.00894e+01 512 2023 8 1.61520e+01 3.61797e+00 413 2023 9 1.44134e+01 8.78472e+00 881 2023 10 1.42435e+01 4.14943e+00 700 2023 11 1.57508e+01 4.58205e+00 813 2023 12 9.61405e+00 8.27735e+00 432 2024 1 1.19421e+01 7.23780e+00 172 2024 2 1.44199e+01 5.80938e+00 775 2024 3 2.52020e+01 6.53032e+00 572 2024 4 nan nan 0