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 3.85972e+01 1.03899e+01 192 2002 8 3.76775e+01 1.21864e+01 379 2002 9 4.03618e+01 1.22341e+01 163 2002 10 3.65597e+01 5.77022e+00 613 2002 11 3.12655e+01 8.54013e+00 624 2002 12 3.18626e+01 1.43457e+01 555 2003 1 2.36312e+01 1.17769e+01 728 2003 2 3.33206e+01 1.00607e+01 416 2003 3 nan nan 0 2003 4 1.21676e+00 2.07488e+00 32 2003 5 4.92358e-01 1.08120e+00 49 2003 6 1.10116e+01 8.88960e+00 38 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 9.44802e+00 1.56523e+01 145 2003 10 2.35139e+01 1.29772e+01 636 2003 11 2.37737e+01 1.45217e+01 511 2003 12 3.04381e+01 1.31458e+01 631 2004 1 3.51586e+01 9.46874e+00 727 2004 2 2.81739e+01 1.20158e+01 365 2004 3 2.13894e+01 1.94633e+01 222 2004 4 3.41131e+01 1.17669e+01 309 2004 5 3.64520e+01 1.01416e+01 418 2004 6 4.05015e+01 1.36807e+01 390 2004 7 3.25350e+01 1.48709e+01 155 2004 8 3.33459e+01 1.04476e+01 342 2004 9 4.08655e+01 3.02757e+01 79 2004 10 nan nan 0 2004 11 1.32670e+01 7.54016e+00 41 2004 12 1.40644e+01 9.44008e+00 246 2005 1 2.14659e+01 1.92156e+01 367 2005 2 2.32389e+01 3.19690e+00 135 2005 3 3.14120e+01 5.55153e+00 134 2005 4 2.48721e+00 3.72417e+00 64 2005 5 nan nan 0 2005 6 5.55271e+01 3.72581e+01 9 2005 7 0.00000e+00 0.00000e+00 2 2005 8 nan nan 0 2005 9 2.96549e+01 1.09431e+01 132 2005 10 3.40646e+01 9.70086e+00 702 2005 11 3.05402e+01 8.17713e+00 764 2005 12 2.63259e+01 1.05879e+01 771 2006 1 1.52736e+01 6.91614e+00 228 2006 2 1.45293e+01 8.23570e+00 89 2006 3 6.83347e+00 6.66355e+00 398 2006 4 3.08042e+01 8.46328e+00 307 2006 5 3.82747e+01 1.56183e+01 241 2006 6 3.80528e+01 6.97069e+00 182 2006 7 2.48940e+01 1.07133e+01 110 2006 8 3.56415e+01 7.91837e+00 262 2006 9 3.62431e+01 8.45845e+00 729 2006 10 3.87875e+01 1.48985e+01 713 2006 11 4.24577e+01 1.01364e+01 694 2006 12 4.89808e+01 1.70223e+01 397 2007 1 4.61780e+01 1.04301e+01 357 2007 2 4.10610e+01 1.42439e+01 625 2007 3 3.86140e+01 1.26860e+01 866 2007 4 4.40374e+01 8.79607e+00 539 2007 5 4.54283e+01 1.05983e+01 127 2007 6 5.34468e+01 8.66177e+00 105 2007 7 3.50166e+01 1.44075e+01 280 2007 8 2.93696e+01 1.25552e+01 276 2007 9 3.87001e+01 1.32438e+01 288 2007 10 4.50873e+01 1.44104e+01 518 2007 11 4.00504e+01 1.34360e+01 896 2007 12 3.89062e+01 1.48151e+01 706 2008 1 4.14036e+01 1.53843e+01 612 2008 2 3.22535e+01 9.32913e+00 679 2008 3 1.72008e+01 1.43392e+01 264 2008 4 5.51124e+00 7.06317e+00 147 2008 5 2.24187e+01 9.07550e+00 182 2008 6 4.19258e+01 8.02686e+00 273 2008 7 4.69088e+01 9.52407e+00 334 2008 8 3.36976e+01 1.34256e+01 90 2008 9 2.37591e+01 1.50777e+01 155 2008 10 2.08115e+01 1.18609e+01 546 2008 11 3.64874e+01 1.24215e+01 888 2008 12 1.74360e+01 1.13112e+01 605 2009 1 3.38842e+01 1.68784e+01 473 2009 2 3.36382e+01 1.07886e+01 858 2009 3 3.56697e+01 1.26382e+01 706 2009 4 2.54527e+01 1.23594e+01 139 2009 5 1.95266e+01 6.57758e+00 60 2009 6 3.80409e+01 4.31112e+00 64 2009 7 nan nan 0 2009 8 2.90458e+01 1.26116e+01 193 2009 9 1.76056e+01 1.36702e+01 410 2009 10 3.46541e+01 1.12305e+01 725 2009 11 4.16309e+01 1.09406e+01 751 2009 12 3.09324e+01 1.32311e+01 192 2010 1 2.71963e+01 1.56234e+01 687 2010 2 1.84095e+01 2.29108e+01 327 2010 3 8.11193e+00 5.78768e+00 409 2010 4 7.18252e-03 0.00000e+00 2 2010 5 2.45901e+01 1.47601e+01 266 2010 6 3.23015e+01 1.39194e+01 351 2010 7 1.95722e+01 1.08811e+01 120 2010 8 4.03747e+01 2.63016e+00 64 2010 9 2.02373e+01 1.02482e+01 264 2010 10 3.58120e+01 9.87318e+00 1419 2010 11 3.72813e+01 1.10235e+01 1060 2010 12 4.13205e+01 1.39373e+01 746 2011 1 3.89542e+01 1.43743e+01 628 2011 2 4.77647e+01 9.85815e+00 811 2011 3 3.40894e+01 1.13118e+01 779 2011 4 3.11716e+01 1.29977e+01 475 2011 5 4.56743e+01 1.68564e+01 499 2011 6 4.08224e+01 7.40949e+00 177 2011 7 4.54329e+01 6.85669e+00 293 2011 8 4.59804e+01 4.61342e+00 111 2011 9 4.47093e+01 5.06537e+00 603 2011 10 4.51432e+01 1.21104e+01 721 2011 11 4.61360e+01 1.41578e+01 1024 2011 12 5.13267e+01 1.15811e+01 717 2012 1 4.45160e+01 1.63379e+01 904 2012 2 6.37115e+01 8.63939e+00 42 2012 3 3.35017e+01 1.71992e+01 628 2012 4 3.79156e+01 1.15839e+01 599 2012 5 4.60994e+01 4.46197e+00 256 2012 6 3.59564e+01 2.22931e+00 14 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 1.39642e+01 1.41855e+01 180 2012 11 3.15871e+01 1.41837e+01 641 2012 12 3.22264e+01 8.15129e+00 447 2013 1 4.44246e+01 1.20064e+01 471 2013 2 3.88295e+01 5.29479e+00 402 2013 3 2.44841e+01 1.26347e+01 379 2013 4 0.00000e+00 0.00000e+00 3 2013 5 3.44322e+01 6.51429e+00 92 2013 6 2.16103e+00 2.80378e+00 105 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 5.62290e+00 1.96729e+01 25 2013 10 2.74019e+01 1.53222e+01 469 2013 11 2.39435e+01 1.44961e+01 355 2013 12 3.56869e+01 8.19079e+00 586 2014 1 2.36300e+01 1.21810e+01 300 2014 2 1.60530e+01 8.63257e+00 296 2014 3 2.64023e+01 2.38606e+01 210 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 2.21839e+01 6.16093e+00 64 2014 7 2.76643e+01 5.87853e+00 129 2014 8 2.20034e+01 1.36722e+01 144 2014 9 3.03700e+01 6.45222e+00 65 2014 10 2.63714e+01 2.44977e+01 601 2014 11 3.29777e+01 1.12606e+01 838 2014 12 4.20009e+01 1.44827e+01 602 2015 1 2.12226e+01 1.07319e+01 486 2015 2 2.10265e+01 8.50435e+00 287 2015 3 3.00295e+01 2.92076e+01 240 2015 4 7.70542e+00 4.46809e+00 64 2015 5 3.36755e+01 2.03333e+01 278 2015 6 3.61483e+01 9.86842e+00 198 2015 7 2.18961e+01 1.82387e+01 116 2015 8 1.08367e+01 1.29525e+01 91 2015 9 1.16192e+00 1.21665e+00 61 2015 10 2.78676e+01 9.87249e+00 471 2015 11 2.80302e+01 1.55406e+01 441 2015 12 3.92764e+01 1.05753e+01 570 2016 1 2.20122e+01 1.07645e+01 404 2016 2 1.27832e+01 7.51250e+00 452 2016 3 1.08840e+01 1.07101e+01 244 2016 4 1.14048e+01 7.98286e+00 179 2016 5 1.72934e+01 1.04148e+01 373 2016 6 3.75913e+01 9.42105e+00 429 2016 7 2.75241e+01 1.39923e+01 487 2016 8 3.92808e+01 1.14084e+01 400 2016 9 8.50125e+00 8.91585e+00 175 2016 10 3.02824e+01 1.31960e+01 664 2016 11 4.34413e+01 9.83963e+00 806 2016 12 4.88188e+01 8.13226e+00 767 2017 1 3.87637e+01 1.24133e+01 480 2017 2 1.16384e+01 1.23296e+01 258 2017 3 2.96511e+01 1.48304e+01 679 2017 4 3.75190e+01 1.22188e+01 550 2017 5 3.92661e+01 1.10854e+01 361 2017 6 4.62768e+01 1.08502e+01 320 2017 7 nan nan 0 2017 8 1.77382e+01 1.72125e+01 186 2017 9 1.40659e+01 7.85971e+00 42 2017 10 1.06729e-18 1.84482e-18 4 2017 11 2.55559e+01 1.17016e+01 835 2017 12 3.22540e+01 1.20464e+01 558 2018 1 3.36048e+01 1.03253e+01 649 2018 2 2.68323e+01 1.49381e+01 553 2018 3 2.57962e+01 1.10637e+01 669 2018 4 2.71715e+01 1.14850e+01 362 2018 5 3.60254e+01 7.65372e+00 360 2018 6 1.80614e+01 1.21960e+01 82 2018 7 nan nan 0 2018 8 3.75813e-07 8.40343e-07 6 2018 9 1.87135e+01 1.54833e+01 218 2018 10 1.55268e+01 1.02798e+01 735 2018 11 2.98169e+01 1.07202e+01 384 2018 12 2.18290e+01 8.46951e+00 241 2019 1 2.58468e+01 3.47368e+01 30 2019 2 1.14529e-13 3.23938e-13 9 2019 3 1.77158e+01 9.57338e+00 135 2019 4 2.21077e+01 6.69155e+00 218 2019 5 4.08508e+01 1.04853e+01 414 2019 6 4.93692e+01 6.00835e+00 128 2019 7 3.27625e+01 1.68865e+01 77 2019 8 8.22779e+00 7.62286e+00 48 2019 9 3.00607e+01 1.07171e+01 322 2019 10 3.20670e+01 1.32172e+01 460 2019 11 3.65618e+01 1.32598e+01 635 2019 12 2.91145e+01 1.35110e+01 277 2020 1 2.74015e+01 9.16169e+00 494 2020 2 2.17396e+01 8.10316e+00 509 2020 3 1.67268e+01 1.13911e+01 193 2020 4 2.16177e+01 2.25684e+01 118 2020 5 1.52180e+01 1.05928e+01 193 2020 6 nan nan 0 2020 7 1.44792e+01 6.75456e+00 15 2020 8 6.70101e+00 8.14541e+00 18 2020 9 3.92577e+01 0.00000e+00 2 2020 10 2.19025e+01 1.90993e+01 264 2020 11 1.85960e+01 1.03934e+01 524 2020 12 2.81920e+01 1.12051e+01 435 2021 1 1.85491e+01 9.23360e+00 196 2021 2 1.00275e+01 1.05374e+01 222 2021 3 4.92274e-01 6.20228e-01 5 2021 4 nan nan 0 2021 5 2.32416e+01 1.88295e+01 129 2021 6 4.00389e+01 1.27289e+01 138 2021 7 nan nan 0 2021 8 4.83029e+01 2.46720e+00 12 2021 9 4.09391e+01 2.27743e+01 108 2021 10 1.16245e+01 1.18341e+01 136 2021 11 2.43307e+01 1.27381e+01 459 2021 12 2.20645e+01 1.35087e+01 494 2022 1 1.58597e+01 6.65375e+00 558 2022 2 2.30458e+01 1.33654e+01 775 2022 3 2.15904e+01 1.08844e+01 633 2022 4 9.23418e+01 0.00000e+00 1 2022 5 2.12037e+01 1.39360e+01 142 2022 6 1.83495e+01 8.61789e+00 205 2022 7 3.39475e+01 1.47705e+01 242 2022 8 2.08660e+01 1.54414e+01 99 2022 9 2.70403e+01 4.24292e+00 48 2022 10 3.12778e+01 1.87414e+01 786 2022 11 2.50624e+01 4.76884e+00 362 2022 12 3.54446e+01 1.19109e+01 641 2023 1 4.21443e+01 1.10740e+01 782 2023 2 3.25794e+01 1.65128e+01 618 2023 3 1.02508e+01 1.18019e+01 438 2023 4 3.37630e+01 2.69127e+01 312 2023 5 3.88611e+01 8.50570e+00 230 2023 6 2.46082e+01 1.18406e+01 301 2023 7 1.27440e+01 9.08280e+00 110 2023 8 1.93356e+01 9.36831e+00 114 2023 9 2.50951e+01 3.56653e+01 137 2023 10 2.16422e+01 1.31074e+01 376 2023 11 2.75348e+01 1.25276e+01 599 2023 12 1.82061e+01 1.29198e+01 211 2024 1 1.79774e-08 2.28440e-08 11 2024 2 1.58216e+01 1.12000e+01 212 2024 3 1.96651e+01 6.81983e+00 192 2024 4 nan nan 0