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 1.71524e+00 9.19243e-01 374 2002 8 2.40000e+00 5.22207e-01 384 2002 9 2.43896e+00 7.80559e-01 427 2002 10 2.08780e+00 9.68097e-01 639 2002 11 3.52040e+00 1.39057e+00 657 2002 12 3.59352e+00 1.38143e+00 576 2003 1 6.88940e+00 5.15297e+00 956 2003 2 4.38404e+00 1.56822e+00 573 2003 3 8.14773e+00 3.76088e+00 64 2003 4 1.19382e+01 6.75859e+00 68 2003 5 1.49556e+01 1.12894e+01 227 2003 6 6.28618e+00 4.50878e+00 251 2003 7 8.39351e+00 5.22475e+00 153 2003 8 6.56808e+00 5.40924e+00 326 2003 9 5.43799e+00 3.60050e+00 256 2003 10 9.01425e+00 6.69102e+00 826 2003 11 1.11522e+01 8.04542e+00 876 2003 12 3.99738e+00 1.59503e+00 700 2004 1 3.90462e+00 2.71475e+00 832 2004 2 6.07838e+00 7.94347e+00 320 2004 3 1.03700e+01 1.00137e+01 580 2004 4 2.56559e+00 1.10849e+00 320 2004 5 1.68650e+00 1.40507e+00 733 2004 6 2.88556e+00 3.28042e+00 447 2004 7 5.48524e+00 4.77463e+00 448 2004 8 2.90240e+00 8.96572e-01 499 2004 9 7.50740e+00 7.39380e+00 180 2004 10 2.02285e+01 8.57341e+00 61 2004 11 2.42468e+01 9.34613e+00 69 2004 12 1.60180e+01 8.94898e+00 357 2005 1 1.06005e+01 6.56309e+00 705 2005 2 1.07733e+01 7.05511e+00 525 2005 3 1.15697e+01 9.13479e+00 401 2005 4 2.16333e+01 1.06036e+01 94 2005 5 6.59977e+00 2.99770e+00 118 2005 6 1.16374e+01 7.64555e+00 196 2005 7 6.76247e+00 6.25210e+00 205 2005 8 2.39484e+01 1.33548e+01 26 2005 9 4.94519e+00 5.13318e+00 259 2005 10 7.63670e+00 5.09593e+00 960 2005 11 5.14314e+00 3.56796e+00 1050 2005 12 5.27212e+00 3.99296e+00 1033 2006 1 1.20522e+01 1.08987e+01 470 2006 2 1.09062e+01 7.03588e+00 573 2006 3 1.12719e+01 8.41345e+00 941 2006 4 8.30132e+00 6.18066e+00 338 2006 5 2.55545e+00 1.14876e+00 407 2006 6 2.76375e+00 9.28964e-01 378 2006 7 3.72754e+00 1.05071e+00 315 2006 8 2.27172e+00 9.05374e-01 375 2006 9 2.66269e+00 1.27850e+00 813 2006 10 3.04886e+00 1.59271e+00 912 2006 11 2.25498e+00 9.36091e-01 773 2006 12 1.87222e+00 1.64637e+00 591 2007 1 1.72662e+00 9.76130e-01 426 2007 2 2.22277e+00 1.59540e+00 641 2007 3 1.97869e+00 8.91403e-01 1023 2007 4 1.76184e+00 1.03075e+00 580 2007 5 1.51235e+00 2.85096e-01 139 2007 6 1.74778e+00 4.22557e-01 320 2007 7 2.40385e+00 8.96791e-01 471 2007 8 3.05761e+00 1.32718e+00 422 2007 9 3.19103e+00 2.79040e+00 565 2007 10 3.08136e+00 8.04364e-01 695 2007 11 6.95513e+00 8.60534e+00 1078 2007 12 3.98355e+00 2.45110e+00 874 2008 1 2.66195e+00 1.77840e+00 768 2008 2 3.01609e+00 1.49856e+00 829 2008 3 1.94610e+01 1.05722e+01 365 2008 4 7.18283e+00 7.31397e+00 444 2008 5 6.83733e+00 4.50712e+00 463 2008 6 3.87050e+00 1.67697e+00 526 2008 7 3.31158e+00 2.88117e+00 377 2008 8 5.37517e+00 3.90280e+00 380 2008 9 8.66436e+00 9.16782e+00 226 2008 10 1.04221e+01 7.44232e+00 905 2008 11 5.02438e+00 5.45309e+00 1023 2008 12 6.79331e+00 6.52183e+00 1045 2009 1 5.24309e+00 3.54632e+00 624 2009 2 3.26358e+00 1.08514e+00 896 2009 3 2.62570e+00 1.50465e+00 849 2009 4 5.04782e+00 4.29174e+00 320 2009 5 1.41590e+01 8.55653e+00 216 2009 6 3.18376e+00 1.72497e+00 375 2009 7 2.09437e+01 7.66958e+00 79 2009 8 7.47230e+00 6.42801e+00 544 2009 9 4.95558e+00 6.23763e+00 715 2009 10 5.46599e+00 5.93544e+00 889 2009 11 2.55373e+00 1.64108e+00 811 2009 12 4.00105e+00 9.22303e-01 192 2010 1 4.92592e+00 3.52524e+00 835 2010 2 1.23735e+01 1.06249e+01 393 2010 3 1.40464e+01 8.25037e+00 703 2010 4 1.09174e+01 4.66641e+00 232 2010 5 4.86756e+00 3.27497e+00 385 2010 6 3.27274e+00 1.97268e+00 598 2010 7 4.31743e+00 2.46944e+00 503 2010 8 5.86951e+00 1.94125e+00 320 2010 9 5.51441e+00 4.33499e+00 745 2010 10 2.79289e+00 1.36571e+00 1535 2010 11 2.95647e+00 1.61906e+00 1102 2010 12 2.00144e+00 1.73122e+00 945 2011 1 1.95022e+00 1.04649e+00 673 2011 2 1.37633e+00 8.29515e-01 745 2011 3 1.35722e+00 7.91745e-01 855 2011 4 1.41171e+00 6.57177e-01 866 2011 5 1.20155e+00 4.93156e-01 694 2011 6 1.59700e+00 6.86153e-01 255 2011 7 2.05171e+00 7.90929e-01 512 2011 8 2.01896e+00 4.17113e-01 216 2011 9 2.23933e+00 8.33062e-01 704 2011 10 2.42379e+00 1.65889e+00 942 2011 11 1.67374e+00 8.23075e-01 1010 2011 12 1.65699e+00 1.25436e+00 896 2012 1 1.32053e+00 5.73010e-01 898 2012 2 1.14407e+00 7.41709e-01 297 2012 3 1.47823e+00 1.39088e+00 842 2012 4 2.15531e+00 1.14667e+00 867 2012 5 2.07013e+00 9.76336e-01 354 2012 6 2.83828e+00 5.13874e-01 191 2012 7 1.20325e+01 1.41814e+01 105 2012 8 2.64749e+01 1.01575e+01 172 2012 9 7.85369e+00 5.05218e+00 205 2012 10 1.44815e+01 1.01380e+01 342 2012 11 4.56487e+00 1.81635e+00 768 2012 12 5.98315e+00 2.00597e+00 399 2013 1 3.26289e+00 2.47634e+00 640 2013 2 2.02681e+00 4.12754e-01 457 2013 3 5.00910e+00 3.03067e+00 659 2013 4 1.23669e+01 9.27433e+00 284 2013 5 7.44118e+00 6.23008e+00 300 2013 6 5.15691e+00 3.25437e+00 462 2013 7 nan nan 0 2013 8 1.49953e+01 1.13468e+01 195 2013 9 2.56325e+01 1.01815e+01 106 2013 10 1.03418e+01 8.98716e+00 756 2013 11 6.63063e+00 2.49001e+00 320 2013 12 4.72283e+00 1.52532e+00 704 2014 1 8.37004e+00 6.50988e+00 465 2014 2 1.43575e+01 1.08803e+01 627 2014 3 1.34752e+01 8.49831e+00 341 2014 4 3.67470e+01 9.13049e+00 12 2014 5 nan nan 0 2014 6 1.17700e+01 7.81523e+00 205 2014 7 1.08180e+01 4.95945e+00 411 2014 8 4.82658e+00 4.06258e+00 289 2014 9 3.44657e+00 1.40263e+00 170 2014 10 1.75126e+01 1.07671e+01 924 2014 11 3.23300e+00 1.64758e+00 947 2014 12 5.23974e+00 3.52316e+00 723 2015 1 1.01631e+01 6.46961e+00 627 2015 2 1.15646e+01 8.87260e+00 565 2015 3 2.23392e+01 1.24211e+01 218 2015 4 8.57638e+00 5.65912e+00 143 2015 5 6.69341e+00 1.00244e+01 500 2015 6 2.38794e+00 1.33355e+00 320 2015 7 5.96033e+00 7.78866e-01 64 2015 8 1.04210e+01 1.18054e+01 241 2015 9 9.75817e+00 1.06120e+01 106 2015 10 1.06582e+01 9.66696e+00 756 2015 11 7.40690e+00 7.10360e+00 784 2015 12 3.47265e+00 1.96878e+00 458 2016 1 4.92766e+00 2.29834e+00 622 2016 2 1.00764e+01 8.44306e+00 1006 2016 3 9.16193e+00 3.88564e+00 656 2016 4 6.90126e+00 8.56460e+00 278 2016 5 4.86147e+00 2.02149e+00 639 2016 6 3.92533e+00 1.41523e+00 624 2016 7 4.04733e+00 2.58906e+00 834 2016 8 3.98527e+00 5.18292e+00 719 2016 9 1.28646e+01 1.03979e+01 515 2016 10 5.30011e+00 4.24332e+00 839 2016 11 3.29987e+00 1.08386e+00 896 2016 12 1.94516e+00 7.57253e-01 832 2017 1 3.00058e+00 9.14182e-01 618 2017 2 1.05024e+01 7.33724e+00 748 2017 3 3.73419e+00 4.03909e+00 989 2017 4 1.80364e+00 7.31362e-01 781 2017 5 2.10570e+00 7.71132e-01 420 2017 6 1.47099e+00 3.99788e-01 197 2017 7 2.80283e+01 7.69138e+00 4 2017 8 9.62456e+00 7.30517e+00 599 2017 9 1.10865e+01 9.81460e+00 228 2017 10 1.20323e+01 9.99208e+00 315 2017 11 1.18844e+01 1.00231e+01 862 2017 12 4.60914e+00 2.23747e+00 621 2018 1 2.89805e+00 9.44010e-01 663 2018 2 1.80112e+00 1.72445e+00 628 2018 3 3.05786e+00 2.05050e+00 995 2018 4 3.01792e+00 1.65766e+00 585 2018 5 1.94407e+00 6.77990e-01 322 2018 6 1.09650e+01 7.40898e+00 199 2018 7 4.75532e+00 3.26155e+00 159 2018 8 1.16775e+01 1.14720e+01 302 2018 9 7.58020e+00 8.20716e+00 920 2018 10 5.59033e+00 4.44875e+00 1160 2018 11 4.76884e+00 2.26402e+00 345 2018 12 1.07983e+01 1.11589e+01 341 2019 1 1.73373e+01 1.13762e+01 345 2019 2 1.47148e+01 1.23472e+01 282 2019 3 1.19733e+01 8.79415e+00 673 2019 4 1.05303e+01 7.85735e+00 470 2019 5 2.74981e+00 1.17494e+00 704 2019 6 3.11963e+00 1.75713e+00 189 2019 7 3.24701e+00 2.36526e+00 305 2019 8 8.89767e+00 7.37223e+00 417 2019 9 7.54213e+00 5.27009e+00 746 2019 10 3.73130e+00 1.96009e+00 573 2019 11 3.21145e+00 1.77513e+00 718 2019 12 3.77296e+00 2.60815e+00 442 2020 1 3.17928e+00 1.27613e+00 719 2020 2 3.12951e+00 1.02830e+00 512 2020 3 4.45576e+00 4.59995e+00 444 2020 4 1.04836e+01 8.44023e+00 349 2020 5 7.25768e+00 4.90754e+00 439 2020 6 1.08248e+01 9.35984e+00 253 2020 7 7.26477e+00 8.13783e+00 149 2020 8 1.76588e+01 1.04351e+01 89 2020 9 1.22149e+01 1.07010e+01 219 2020 10 7.38938e+00 6.52548e+00 646 2020 11 7.51803e+00 6.05238e+00 742 2020 12 4.58171e+00 2.26819e+00 831 2021 1 5.59030e+00 2.78577e+00 376 2021 2 1.28917e+01 9.16963e+00 469 2021 3 2.37872e+01 9.61058e+00 90 2021 4 1.07259e+01 9.73182e+00 172 2021 5 5.47968e+00 4.49806e+00 723 2021 6 2.09466e+00 1.36907e+00 192 2021 7 2.55176e+00 1.62859e+00 127 2021 8 4.05157e+00 2.58823e+00 307 2021 9 1.23226e+01 1.29336e+01 283 2021 10 1.21325e+01 8.79396e+00 221 2021 11 6.40310e+00 4.25106e+00 759 2021 12 5.55170e+00 3.19795e+00 780 2022 1 5.52859e+00 2.66504e+00 657 2022 2 3.26946e+00 1.13885e+00 954 2022 3 6.43136e+00 6.53263e+00 821 2022 4 5.15640e+00 1.30625e+00 52 2022 5 8.99538e+00 8.75926e+00 315 2022 6 6.67147e+00 5.04096e+00 391 2022 7 1.72084e+00 1.25104e+00 435 2022 8 6.39764e+00 9.67496e+00 567 2022 9 2.96038e+00 3.32414e-01 64 2022 10 8.63238e+00 8.17394e+00 926 2022 11 5.59582e+00 4.36914e+00 448 2022 12 3.93645e+00 2.76869e+00 763 2023 1 2.59383e+00 9.62918e-01 813 2023 2 5.20795e+00 4.58559e+00 668 2023 3 9.95228e+00 6.82414e+00 684 2023 4 7.31041e+00 5.78572e+00 384 2023 5 5.26656e+00 4.29929e+00 381 2023 6 5.78489e+00 6.01597e+00 321 2023 7 1.23145e+01 9.42798e+00 408 2023 8 1.06288e+01 1.32544e+01 264 2023 9 8.87452e+00 9.28927e+00 299 2023 10 8.80711e+00 6.54512e+00 631 2023 11 6.45551e+00 3.78952e+00 536 2023 12 7.59754e+00 5.40322e+00 131 2024 1 1.90685e+01 7.60201e+00 116 2024 2 2.47158e+01 1.21697e+01 514 2024 3 1.62091e+01 1.09889e+01 361 2024 4 nan nan 0