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 3.60591e+01 1.09074e+01 142 2002 8 4.26068e+01 7.33584e+00 363 2002 9 4.29467e+01 8.28580e+00 156 2002 10 3.95953e+01 1.11732e+01 546 2002 11 2.68512e+01 1.12896e+01 558 2002 12 2.58473e+01 1.17322e+01 440 2003 1 2.39258e+01 1.22706e+01 355 2003 2 3.35521e+01 1.66310e+01 358 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 2.43176e+01 1.24433e+01 53 2003 6 2.67044e+01 1.58443e+01 58 2003 7 1.03488e-02 1.03488e-02 4 2003 8 3.57856e+01 2.23240e+01 97 2003 9 2.97645e+01 1.20183e+01 82 2003 10 2.55113e+01 1.29011e+01 336 2003 11 2.77391e+01 1.44867e+01 372 2003 12 2.75857e+01 1.02090e+01 538 2004 1 2.99500e+01 1.16858e+01 719 2004 2 2.58105e+01 1.32846e+01 281 2004 3 2.37450e+01 1.61210e+01 85 2004 4 2.81561e+01 1.50972e+01 286 2004 5 4.24128e+01 1.02608e+01 472 2004 6 5.09093e+01 8.49305e+00 332 2004 7 2.51070e+01 1.07039e+01 79 2004 8 3.01194e+01 1.40126e+01 241 2004 9 nan nan 0 2004 10 nan nan 0 2004 11 1.23879e+01 1.07041e+01 32 2004 12 2.29293e+01 9.56888e+00 128 2005 1 2.87025e+01 1.75357e+01 94 2005 2 2.87378e+01 1.67489e+01 187 2005 3 2.25202e+01 1.48695e+01 131 2005 4 nan nan 0 2005 5 nan nan 0 2005 6 2.72593e+01 1.45989e+01 101 2005 7 1.35173e+00 1.18413e+00 12 2005 8 nan nan 0 2005 9 3.76768e+01 9.88281e+00 130 2005 10 2.72031e+01 1.29952e+01 641 2005 11 2.84868e+01 1.29988e+01 636 2005 12 2.59721e+01 1.25406e+01 586 2006 1 2.06305e+01 1.46635e+01 117 2006 2 1.12331e+01 1.33875e+01 81 2006 3 1.14188e+01 1.46751e+01 223 2006 4 2.50556e+01 1.48388e+01 156 2006 5 3.44026e+01 1.34468e+01 203 2006 6 3.61838e+01 1.08653e+01 167 2006 7 2.81611e+01 8.66893e+00 78 2006 8 3.95702e+01 8.17585e+00 191 2006 9 3.69639e+01 9.02141e+00 649 2006 10 3.58158e+01 1.49240e+01 414 2006 11 3.90170e+01 1.55278e+01 717 2006 12 5.71346e+01 8.17157e+00 448 2007 1 4.25275e+01 8.21406e+00 294 2007 2 3.69575e+01 1.26149e+01 478 2007 3 3.50184e+01 1.52551e+01 847 2007 4 3.33004e+01 9.61330e+00 368 2007 5 2.69614e+01 9.25771e+00 108 2007 6 4.28100e+01 8.93193e+00 237 2007 7 4.30559e+01 1.07833e+01 327 2007 8 3.23877e+01 1.45951e+01 149 2007 9 3.78477e+01 9.91560e+00 320 2007 10 3.50046e+01 9.45432e+00 506 2007 11 2.39581e+01 1.43556e+01 673 2007 12 4.04257e+01 1.05933e+01 693 2008 1 3.64916e+01 1.68732e+01 450 2008 2 3.17797e+01 1.09442e+01 581 2008 3 2.01889e+01 1.62031e+01 37 2008 4 1.85891e+01 1.63362e+01 96 2008 5 2.32662e+01 1.10579e+01 178 2008 6 4.23559e+01 6.80658e+00 312 2008 7 4.94094e+01 7.04099e+00 261 2008 8 3.01453e+01 1.74780e+01 101 2008 9 2.93433e+01 9.63415e+00 125 2008 10 1.84172e+01 1.40449e+01 187 2008 11 2.39447e+01 1.33872e+01 559 2008 12 2.60716e+01 1.37022e+01 655 2009 1 2.80716e+01 1.54927e+01 447 2009 2 3.35051e+01 8.86549e+00 773 2009 3 3.83098e+01 1.15616e+01 525 2009 4 2.09199e+01 5.53888e+00 66 2009 5 1.69327e+01 1.51151e+01 14 2009 6 0.00000e+00 0.00000e+00 2 2009 7 nan nan 0 2009 8 2.51732e+01 2.10546e+01 188 2009 9 2.46342e+01 1.71463e+01 358 2009 10 3.06605e+01 1.51986e+01 523 2009 11 3.81478e+01 1.09986e+01 668 2009 12 2.27326e+01 1.29304e+01 135 2010 1 3.00223e+01 1.64375e+01 462 2010 2 3.34164e+01 2.08756e+01 69 2010 3 7.38094e+00 1.28253e+01 32 2010 4 3.52838e+00 4.48979e+00 8 2010 5 2.48676e+01 1.22553e+01 247 2010 6 3.48553e+01 1.11702e+01 308 2010 7 2.93010e+01 1.38221e+01 134 2010 8 2.00271e+01 1.24175e+01 62 2010 9 3.24917e+01 1.52652e+01 345 2010 10 3.50874e+01 1.20008e+01 1249 2010 11 3.73298e+01 1.15187e+01 955 2010 12 4.19091e+01 1.13695e+01 744 2011 1 4.22022e+01 1.03023e+01 555 2011 2 4.22509e+01 1.11324e+01 775 2011 3 3.53553e+01 1.55725e+01 643 2011 4 2.99804e+01 1.17560e+01 467 2011 5 4.17936e+01 1.35792e+01 414 2011 6 4.55977e+01 6.94206e+00 190 2011 7 4.98580e+01 5.72707e+00 232 2011 8 4.31886e+01 5.27622e+00 109 2011 9 4.55494e+01 5.94234e+00 596 2011 10 4.27655e+01 1.33012e+01 795 2011 11 4.49291e+01 1.05060e+01 871 2011 12 4.84494e+01 9.29713e+00 684 2012 1 4.41966e+01 1.10443e+01 851 2012 2 6.38097e+01 1.80225e+00 88 2012 3 3.78925e+01 1.88246e+01 476 2012 4 2.98025e+01 1.07156e+01 314 2012 5 4.90622e+01 7.28886e+00 256 2012 6 4.24463e+01 7.59378e-01 19 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 nan nan 0 2012 11 3.41901e+01 1.53373e+01 564 2012 12 3.38112e+01 1.51132e+01 315 2013 1 4.21993e+01 1.03260e+01 465 2013 2 3.70547e+01 6.33725e+00 461 2013 3 1.84428e+01 1.38823e+01 84 2013 4 7.69766e+00 8.56643e+00 23 2013 5 2.83920e+00 3.45695e+00 26 2013 6 4.21455e+01 3.29774e+01 164 2013 7 5.77473e+01 2.33620e+00 64 2013 8 nan nan 0 2013 9 8.27274e+01 4.03278e+00 4 2013 10 2.40635e+01 1.45335e+01 344 2013 11 2.76365e+01 1.45993e+01 179 2013 12 2.37692e+01 1.71477e+01 143 2014 1 1.88372e+01 1.28406e+01 83 2014 2 1.00534e+01 1.11049e+01 75 2014 3 2.09771e+01 1.95406e+01 110 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 3.73360e+00 5.47413e+00 5 2014 7 2.46966e+01 1.85350e+01 142 2014 8 2.05040e+01 1.26606e+01 174 2014 9 3.29877e+01 1.01721e+01 90 2014 10 2.26998e+01 3.64760e+01 91 2014 11 2.97559e+01 1.11047e+01 609 2014 12 3.64368e+01 2.17773e+01 644 2015 1 1.81686e+01 1.21724e+01 70 2015 2 1.80985e+01 1.43174e+01 40 2015 3 1.61186e+00 3.84037e+00 26 2015 4 2.45610e+01 1.20383e+01 42 2015 5 3.82360e+01 1.63491e+01 225 2015 6 4.61779e+01 7.66381e+00 215 2015 7 4.84511e+01 3.88004e+01 98 2015 8 2.65002e+01 1.86960e+01 60 2015 9 1.85680e+01 1.27668e+01 27 2015 10 2.26410e+01 2.56984e+01 317 2015 11 3.18314e+01 1.25040e+01 298 2015 12 3.46802e+01 1.26156e+01 319 2016 1 2.28331e+01 1.32311e+01 293 2016 2 2.39918e+01 1.89056e+01 162 2016 3 1.33101e+01 1.13927e+01 225 2016 4 4.51970e+00 4.88974e+00 15 2016 5 2.51392e+01 1.94085e+01 229 2016 6 3.88333e+01 1.16117e+01 457 2016 7 3.61102e+01 1.29376e+01 636 2016 8 3.84563e+01 1.47591e+01 482 2016 9 1.37670e+01 1.60606e+01 102 2016 10 3.13455e+01 1.33097e+01 392 2016 11 4.52995e+01 9.66129e+00 739 2016 12 4.55313e+01 1.08584e+01 561 2017 1 3.69794e+01 7.85193e+00 363 2017 2 1.95201e+01 1.45887e+01 147 2017 3 2.64074e+01 1.35210e+01 569 2017 4 3.59919e+01 1.42752e+01 590 2017 5 3.49855e+01 1.04767e+01 284 2017 6 4.20939e+01 1.31290e+01 305 2017 7 nan nan 0 2017 8 3.76164e+01 1.76557e+01 149 2017 9 3.16207e+00 6.04516e+00 47 2017 10 1.37861e+01 9.77825e+00 31 2017 11 2.40441e+01 1.42791e+01 490 2017 12 3.40558e+01 1.40008e+01 674 2018 1 2.50264e+01 9.85489e+00 412 2018 2 3.42077e+01 1.20063e+01 531 2018 3 2.47381e+01 1.49262e+01 474 2018 4 3.28905e+01 1.00508e+01 378 2018 5 3.62171e+01 8.99057e+00 308 2018 6 2.42831e+01 0.00000e+00 6 2018 7 1.34521e-12 0.00000e+00 1 2018 8 2.74058e+01 1.73213e+01 48 2018 9 2.40676e+01 1.94556e+01 310 2018 10 2.07335e+01 1.34145e+01 363 2018 11 3.33737e+01 8.99273e+00 186 2018 12 1.93761e+01 1.19955e+01 138 2019 1 2.30343e+01 0.00000e+00 1 2019 2 4.63385e+01 3.17925e+01 133 2019 3 1.41483e+01 1.24885e+01 107 2019 4 1.68635e+01 1.34024e+01 100 2019 5 3.28250e+01 1.35655e+01 283 2019 6 4.71293e+01 8.13427e+00 152 2019 7 3.86750e+01 1.73787e+01 133 2019 8 2.13926e+00 4.24351e+00 18 2019 9 2.75230e+01 1.29921e+01 137 2019 10 3.26732e+01 1.29209e+01 370 2019 11 3.87946e+01 1.41258e+01 673 2019 12 3.68426e+01 1.15135e+01 159 2020 1 2.10366e+01 1.08646e+01 395 2020 2 2.07536e+01 1.12404e+01 308 2020 3 3.07883e+01 2.88024e+01 145 2020 4 1.53913e+01 6.04507e+00 26 2020 5 1.73630e+01 1.29672e+01 48 2020 6 5.11104e-03 0.00000e+00 2 2020 7 nan nan 0 2020 8 1.39185e+01 9.52763e+00 6 2020 9 3.46615e+01 9.90422e+00 107 2020 10 1.85466e+01 1.33053e+01 137 2020 11 2.68628e+01 1.51559e+01 190 2020 12 2.14196e+01 1.16058e+01 371 2021 1 4.60456e+00 6.04548e+00 40 2021 2 7.98186e+00 8.73247e+00 164 2021 3 nan nan 0 2021 4 8.41934e+00 9.72182e+00 7 2021 5 2.75544e+01 1.45247e+01 140 2021 6 4.27426e+01 1.31847e+01 135 2021 7 nan nan 0 2021 8 9.49420e+00 1.16820e+01 9 2021 9 5.46052e+01 2.27987e+01 75 2021 10 1.50222e+01 2.75487e+01 37 2021 11 2.90390e+01 1.54462e+01 107 2021 12 2.27684e+01 1.42286e+01 435 2022 1 1.58130e+01 1.38113e+01 215 2022 2 2.41248e+01 1.24378e+01 475 2022 3 2.70842e+01 9.97401e+00 383 2022 4 nan nan 0 2022 5 2.80840e+01 1.32999e+01 121 2022 6 2.57230e+01 1.33375e+01 223 2022 7 4.52976e+01 1.35357e+01 267 2022 8 4.00761e+01 1.80455e+01 230 2022 9 1.16099e+01 8.81250e+00 15 2022 10 3.21083e+01 1.57357e+01 564 2022 11 2.96881e+01 9.45400e+00 421 2022 12 3.79239e+01 1.61772e+01 659 2023 1 4.14355e+01 1.11073e+01 698 2023 2 2.96384e+01 1.55991e+01 480 2023 3 1.35643e+01 8.02130e+00 82 2023 4 3.72847e+01 2.62239e+01 256 2023 5 3.65865e+01 1.10575e+01 256 2023 6 3.82238e+01 1.38775e+01 93 2023 7 7.00649e-44 0.00000e+00 8 2023 8 5.86006e+01 2.48433e+01 71 2023 9 3.66298e+01 4.29357e+01 123 2023 10 1.92171e+01 2.09549e+01 397 2023 11 2.45133e+01 1.67582e+01 307 2023 12 2.17165e+00 3.51295e+00 28 2024 1 0.00000e+00 0.00000e+00 4 2024 2 7.72295e-01 2.03905e+00 10 2024 3 5.54273e+00 1.53512e+01 105 2024 4 nan nan 0