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 1.56318e+01 3.73544e+00 271 2002 8 2.34402e+01 7.87966e+00 510 2002 9 1.81421e+01 9.29778e+00 565 2002 10 1.69971e+01 5.97797e+00 676 2002 11 1.17797e+01 6.59840e+00 784 2002 12 1.31557e+01 8.84437e+00 640 2003 1 9.30527e+00 5.96025e+00 896 2003 2 1.33523e+01 6.85256e+00 519 2003 3 4.79583e-01 2.79629e-01 77 2003 4 1.09218e+01 2.92044e+00 64 2003 5 1.73282e+01 2.44185e+01 271 2003 6 1.27605e+01 9.79476e+00 318 2003 7 2.57788e+01 2.13985e+01 192 2003 8 1.72435e+01 1.33031e+01 388 2003 9 2.01124e+01 6.90076e+00 499 2003 10 1.66122e+01 1.35535e+01 952 2003 11 1.11906e+01 6.28084e+00 921 2003 12 1.41281e+01 8.75663e+00 896 2004 1 1.08925e+01 6.96643e+00 832 2004 2 1.30503e+01 5.18352e+00 435 2004 3 7.69565e+00 7.79337e+00 769 2004 4 1.20817e+01 3.73726e+00 448 2004 5 1.81453e+01 5.72343e+00 640 2004 6 2.13390e+01 9.55846e+00 532 2004 7 1.16418e+01 7.17266e+00 444 2004 8 1.73473e+01 1.06891e+01 459 2004 9 1.22335e+01 1.31655e+01 365 2004 10 4.78951e-01 6.59862e-01 192 2004 11 8.13286e-01 9.58503e-01 358 2004 12 7.34751e+00 1.88482e+01 576 2005 1 6.93314e+00 1.17085e+01 825 2005 2 5.43268e+00 9.35882e+00 641 2005 3 5.13265e+00 4.62057e+00 515 2005 4 1.41153e+01 2.11058e+01 433 2005 5 2.83236e+01 1.12725e+01 223 2005 6 1.63758e+01 1.35774e+01 320 2005 7 1.60523e+01 1.39638e+01 512 2005 8 2.73490e+00 5.28657e+00 190 2005 9 1.38307e+01 1.18760e+01 305 2005 10 1.79662e+01 9.12177e+00 1096 2005 11 1.01915e+01 5.88673e+00 1059 2005 12 9.89781e+00 6.46464e+00 1062 2006 1 7.51363e+00 1.15783e+01 768 2006 2 5.56663e+00 6.50551e+00 731 2006 3 6.35548e+00 7.29614e+00 1100 2006 4 6.54031e+00 8.14779e+00 441 2006 5 1.72572e+01 6.84808e+00 505 2006 6 1.80001e+01 7.48960e+00 432 2006 7 1.33835e+01 7.79827e+00 426 2006 8 1.52061e+01 3.03273e+00 380 2006 9 1.93950e+01 5.11055e+00 832 2006 10 1.71130e+01 1.02653e+01 918 2006 11 1.46700e+01 7.82256e+00 952 2006 12 2.06081e+01 6.56166e+00 464 2007 1 1.71248e+01 5.50651e+00 384 2007 2 2.09990e+01 7.68281e+00 698 2007 3 1.86166e+01 8.58284e+00 1151 2007 4 1.89753e+01 9.12677e+00 641 2007 5 2.89423e+01 7.66877e+00 329 2007 6 2.01170e+01 5.98051e+00 448 2007 7 1.57263e+01 5.19730e+00 408 2007 8 2.08732e+01 7.79217e+00 584 2007 9 1.72677e+01 4.13337e+00 579 2007 10 1.68060e+01 7.97047e+00 717 2007 11 2.09681e+01 9.46572e+00 1024 2007 12 1.57063e+01 9.23309e+00 896 2008 1 2.19142e+01 1.01673e+01 601 2008 2 1.58998e+01 7.12368e+00 879 2008 3 5.23087e+00 6.42920e+00 749 2008 4 1.88552e+01 1.70153e+01 659 2008 5 7.59742e+00 7.86762e+00 528 2008 6 1.59172e+01 1.32807e+01 436 2008 7 1.54568e+01 7.45575e+00 418 2008 8 1.62399e+01 3.87552e+00 320 2008 9 1.40370e+01 9.41702e+00 762 2008 10 1.03784e+01 7.20491e+00 947 2008 11 1.40920e+01 5.87316e+00 1076 2008 12 6.65015e+00 6.17095e+00 952 2009 1 1.20594e+01 9.41290e+00 799 2009 2 8.37849e+00 4.30564e+00 1012 2009 3 1.35367e+01 7.61792e+00 1048 2009 4 1.45760e+01 1.08788e+01 528 2009 5 1.00231e+01 9.78674e+00 329 2009 6 1.91790e+01 1.17481e+01 506 2009 7 3.11992e+01 6.88124e+00 192 2009 8 1.92297e+01 1.45841e+01 620 2009 9 1.59226e+01 1.15039e+01 917 2009 10 1.70497e+01 8.10236e+00 825 2009 11 1.49252e+01 7.96423e+00 768 2009 12 1.14683e+01 9.72721e+00 222 2010 1 8.30029e+00 3.31312e+00 960 2010 2 3.89062e+00 2.50370e+00 768 2010 3 1.94230e+00 1.57771e+00 915 2010 4 2.77702e+00 4.47889e+00 222 2010 5 1.45435e+01 1.44363e+01 519 2010 6 1.79422e+01 7.20970e+00 576 2010 7 1.55028e+01 7.61833e+00 439 2010 8 1.58076e+01 8.07169e+00 226 2010 9 2.00020e+01 1.38250e+01 640 2010 10 1.71796e+01 4.97588e+00 1525 2010 11 1.46343e+01 5.24548e+00 1253 2010 12 1.63228e+01 1.10671e+01 1050 2011 1 2.20882e+01 1.02739e+01 649 2011 2 2.37248e+01 3.44497e+00 739 2011 3 2.19576e+01 6.80338e+00 813 2011 4 2.02253e+01 8.06191e+00 887 2011 5 1.81082e+01 6.58541e+00 871 2011 6 1.87571e+01 4.60674e+00 256 2011 7 1.89921e+01 4.89448e+00 337 2011 8 2.18490e+01 1.00502e+01 439 2011 9 1.78585e+01 8.23999e+00 736 2011 10 2.03006e+01 1.06083e+01 1015 2011 11 2.26193e+01 7.93235e+00 1236 2011 12 2.66252e+01 7.18585e+00 1024 2012 1 2.57928e+01 1.01760e+01 896 2012 2 3.04811e+01 7.46729e+00 256 2012 3 2.78205e+01 9.98614e+00 825 2012 4 2.59172e+01 6.81634e+00 912 2012 5 2.47594e+01 8.22031e+00 446 2012 6 1.01024e+01 1.24989e+00 160 2012 7 1.74289e+01 9.21555e+00 448 2012 8 1.41627e+01 1.32295e+01 292 2012 9 1.28527e+01 1.49125e+01 531 2012 10 1.82898e+00 1.46635e+00 640 2012 11 1.03808e+01 5.88414e+00 887 2012 12 5.70903e+00 4.75060e+00 782 2013 1 1.08078e+01 5.76899e+00 622 2013 2 1.69371e+01 5.82791e+00 602 2013 3 1.39184e+01 9.17921e+00 697 2013 4 1.33050e+01 1.68306e+01 582 2013 5 1.24024e+01 1.32686e+01 575 2013 6 1.58475e+01 1.01063e+01 390 2013 7 3.87326e+00 2.07531e+00 48 2013 8 1.92035e+01 1.46044e+01 321 2013 9 1.46488e+01 1.77513e+01 482 2013 10 1.57968e+01 1.52607e+01 891 2013 11 7.77444e+00 5.68908e+00 383 2013 12 1.02484e+01 6.07894e+00 781 2014 1 1.16274e+01 4.77326e+00 504 2014 2 8.76723e+00 3.81363e+00 704 2014 3 4.21304e+00 3.82470e+00 524 2014 4 3.05865e+00 1.97729e+00 317 2014 5 7.42815e-01 2.86186e-01 128 2014 6 1.68293e+01 1.95154e+01 330 2014 7 1.15734e+01 9.79367e+00 629 2014 8 1.21431e+01 7.41477e+00 447 2014 9 2.89428e+01 1.96943e+01 465 2014 10 8.80735e+00 1.04269e+01 1103 2014 11 1.12069e+01 6.24118e+00 1020 2014 12 1.29824e+01 9.66684e+00 530 2015 1 1.02110e+01 6.88043e+00 857 2015 2 1.26902e+01 8.04361e+00 768 2015 3 4.86973e+00 4.23252e+00 401 2015 4 3.04867e+01 2.34500e+01 170 2015 5 1.83321e+01 1.14684e+01 716 2015 6 2.00524e+01 7.78673e+00 436 2015 7 1.67221e+01 1.03783e+01 203 2015 8 1.48058e+01 7.02281e+00 411 2015 9 1.48491e+01 1.02671e+01 269 2015 10 1.17431e+01 5.72477e+00 837 2015 11 1.01054e+01 5.40745e+00 766 2015 12 1.43974e+01 6.83601e+00 497 2016 1 7.50240e+00 5.92512e+00 639 2016 2 6.83402e+00 7.38656e+00 1168 2016 3 7.73517e+00 4.23324e+00 759 2016 4 1.55654e+01 1.44798e+01 480 2016 5 9.13614e+00 7.17884e+00 698 2016 6 1.34477e+01 6.32880e+00 543 2016 7 1.45458e+01 4.56254e+00 790 2016 8 1.77531e+01 1.26549e+01 700 2016 9 1.23551e+01 8.32842e+00 746 2016 10 1.41554e+01 7.90863e+00 958 2016 11 1.68620e+01 5.07001e+00 909 2016 12 1.90853e+01 6.60959e+00 764 2017 1 1.66412e+01 8.34666e+00 631 2017 2 7.33206e+00 4.16856e+00 960 2017 3 1.45979e+01 8.51194e+00 960 2017 4 2.04388e+01 4.79906e+00 798 2017 5 1.61610e+01 6.34483e+00 563 2017 6 2.56464e+01 5.52213e+00 151 2017 7 1.52882e+01 9.96205e+00 313 2017 8 1.39960e+01 1.19106e+01 640 2017 9 9.66164e+00 7.11964e+00 421 2017 10 1.18768e+00 1.87613e+00 343 2017 11 8.31951e+00 6.35235e+00 1148 2017 12 1.09507e+01 5.34061e+00 624 2018 1 1.78185e+01 5.74319e+00 692 2018 2 2.06577e+01 6.08537e+00 701 2018 3 1.98791e+01 7.39414e+00 941 2018 4 1.46478e+01 9.31337e+00 623 2018 5 1.43566e+01 9.04596e+00 449 2018 6 1.12624e+01 4.98240e+00 256 2018 7 2.30652e+01 2.05983e+01 214 2018 8 1.97696e+01 1.95944e+01 550 2018 9 2.30072e+01 1.55156e+01 956 2018 10 1.05885e+01 9.00087e+00 1034 2018 11 9.78899e+00 1.35534e+01 347 2018 12 5.48774e+00 5.43460e+00 671 2019 1 1.31165e+00 1.32454e+00 557 2019 2 7.16340e+00 9.02566e+00 218 2019 3 7.69273e+00 9.54848e+00 801 2019 4 5.21358e+00 5.60919e+00 369 2019 5 1.04269e+01 5.81074e+00 723 2019 6 1.82518e+01 2.93774e+00 102 2019 7 2.45891e+01 7.00990e+00 161 2019 8 1.13869e+01 9.48446e+00 510 2019 9 1.63705e+01 8.16316e+00 824 2019 10 1.33624e+01 1.15297e+01 648 2019 11 1.23253e+01 6.13271e+00 815 2019 12 1.11587e+01 6.89289e+00 627 2020 1 1.61845e+01 6.63630e+00 768 2020 2 1.09357e+01 7.02335e+00 589 2020 3 1.54906e+01 1.44878e+01 756 2020 4 7.11342e+00 3.99924e+00 437 2020 5 8.49697e+00 7.70878e+00 689 2020 6 1.15193e+01 4.21898e+00 457 2020 7 1.76343e+01 1.26760e+01 198 2020 8 9.27100e+00 4.95545e+00 253 2020 9 1.27303e+01 1.18112e+01 260 2020 10 1.06708e+01 1.27136e+01 688 2020 11 2.34550e+00 2.35559e+00 915 2020 12 7.93223e+00 8.00808e+00 832 2021 1 5.70838e+00 4.22216e+00 576 2021 2 1.99047e+00 2.55790e+00 510 2021 3 6.83132e-01 2.25638e+00 220 2021 4 8.76907e-01 1.32934e+00 584 2021 5 9.32359e+00 9.90017e+00 706 2021 6 2.37587e+01 1.41790e+01 192 2021 7 2.06056e+01 1.69799e+01 266 2021 8 2.61402e+01 2.84777e+01 338 2021 9 8.37599e+00 1.65346e+01 514 2021 10 9.52201e+00 1.25658e+01 560 2021 11 6.80457e+00 8.97060e+00 981 2021 12 5.88504e+00 8.67617e+00 638 2022 1 4.61150e+00 3.11119e+00 826 2022 2 8.45139e+00 5.83138e+00 957 2022 3 7.18729e+00 4.48641e+00 891 2022 4 6.71212e+00 1.29908e+01 119 2022 5 1.21946e+01 1.16926e+01 486 2022 6 1.43532e+01 7.08131e+00 400 2022 7 1.56254e+01 6.41361e+00 609 2022 8 1.99866e+01 7.25899e+00 503 2022 9 1.86024e+01 1.01840e+01 262 2022 10 1.26679e+01 5.26741e+00 1224 2022 11 1.15150e+01 6.85407e+00 448 2022 12 1.09032e+01 7.83870e+00 896 2023 1 1.86997e+01 7.48671e+00 992 2023 2 1.63467e+01 7.31367e+00 704 2023 3 1.49892e+01 5.67566e+00 749 2023 4 1.91766e+01 1.21710e+01 384 2023 5 1.92342e+01 8.91182e+00 383 2023 6 1.88308e+01 4.63286e+00 276 2023 7 1.74030e+01 1.09677e+01 546 2023 8 2.06885e+01 1.34746e+01 611 2023 9 1.31842e+01 9.40056e+00 454 2023 10 1.26043e+01 9.54018e+00 700 2023 11 1.34637e+01 7.75591e+00 737 2023 12 1.10571e+01 7.36593e+00 324 2024 1 1.32946e+00 2.75718e+00 521 2024 2 3.31151e+00 4.49330e+00 708 2024 3 8.03570e+00 8.33924e+00 478 2024 4 nan nan 0