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 8.25620e-01 1.05252e-01 200 2002 8 8.25503e-01 2.24155e-01 384 2002 9 9.04171e-01 1.31036e-01 247 2002 10 1.01999e+00 1.66539e-01 562 2002 11 1.13669e+00 4.66243e-01 733 2002 12 1.13479e+00 4.09981e-01 636 2003 1 1.25784e+00 8.35764e-01 807 2003 2 1.05799e+00 3.36211e-01 572 2003 3 nan nan 0 2003 4 1.70391e+01 2.31914e+01 41 2003 5 2.19260e+01 1.24797e+02 167 2003 6 9.38391e+00 1.18286e+01 49 2003 7 1.73556e+02 1.91855e+02 11 2003 8 1.93238e+00 5.90730e-01 128 2003 9 1.51341e+00 5.87965e-01 271 2003 10 1.33464e+00 3.53113e-01 692 2003 11 1.26055e+00 2.26539e-01 848 2003 12 1.09048e+00 3.12946e-01 727 2004 1 1.11723e+00 1.45664e-01 759 2004 2 1.07069e+00 2.51816e-01 384 2004 3 3.38380e+00 1.48790e+01 794 2004 4 1.08813e+00 2.40603e-01 307 2004 5 9.02440e-01 2.13086e-01 552 2004 6 1.51808e+00 4.14762e+00 398 2004 7 1.11810e+00 1.52339e-01 270 2004 8 1.75127e+00 4.86307e+00 330 2004 9 1.61916e+00 2.62976e-01 68 2004 10 nan nan 0 2004 11 1.41325e+00 1.30960e-01 7 2004 12 1.87651e+00 1.33478e+00 275 2005 1 2.24467e+00 1.49431e+00 442 2005 2 3.14216e+00 4.47341e+00 422 2005 3 2.34527e+00 8.92147e+00 320 2005 4 5.76590e+00 3.12457e+01 204 2005 5 2.05497e+00 2.32654e+00 63 2005 6 5.00080e+00 1.72122e+01 187 2005 7 1.08058e+03 1.07013e+03 2 2005 8 3.55526e+01 2.38092e+02 196 2005 9 2.27982e+01 2.27983e+02 257 2005 10 1.11908e+00 1.77179e-01 889 2005 11 1.07784e+00 2.24727e-01 856 2005 12 1.41243e+00 4.09076e-01 660 2006 1 1.74360e+00 8.33388e-01 414 2006 2 1.18342e+01 9.11611e+01 285 2006 3 1.27512e+01 7.01556e+01 826 2006 4 1.24925e+00 5.05147e-01 378 2006 5 2.00942e+00 1.22507e+01 416 2006 6 1.14475e+00 2.50667e-01 235 2006 7 1.20676e+00 1.92584e-01 178 2006 8 1.05647e+00 1.22233e-01 254 2006 9 1.00850e+00 1.75152e-01 704 2006 10 1.01086e+00 4.00911e-01 731 2006 11 1.06603e+00 5.00027e-01 799 2006 12 7.92426e-01 1.21684e-01 387 2007 1 9.84199e-01 1.76433e-01 368 2007 2 9.72440e-01 3.81692e-01 687 2007 3 9.46570e-01 2.86509e-01 897 2007 4 8.89063e-01 1.95691e-01 531 2007 5 1.01645e+00 3.13062e-01 145 2007 6 8.96462e-01 1.73745e-01 253 2007 7 1.22455e+00 4.41118e-01 360 2007 8 1.02788e+00 1.14140e-01 329 2007 9 1.09882e+00 9.58408e-01 393 2007 10 9.45959e-01 2.29268e-01 537 2007 11 8.79509e-01 2.04193e-01 906 2007 12 8.82428e-01 1.45673e-01 586 2008 1 1.19754e+00 6.20851e-01 506 2008 2 1.09311e+00 1.59258e-01 704 2008 3 2.89886e+00 1.90588e+01 324 2008 4 3.41313e+00 9.18675e+00 298 2008 5 1.25014e+01 6.94238e+01 338 2008 6 1.16908e+00 2.76781e-01 330 2008 7 7.40660e-01 1.55544e-01 368 2008 8 1.49136e+00 1.24679e+00 115 2008 9 1.35412e+00 8.29820e-01 195 2008 10 1.84017e+00 2.59602e+00 713 2008 11 1.03251e+00 3.71189e-01 1017 2008 12 1.70792e+00 2.36944e+00 752 2009 1 1.30452e+00 2.72328e-01 654 2009 2 1.06537e+00 2.48642e-01 884 2009 3 1.04030e+00 3.71146e-01 794 2009 4 4.17487e+00 1.87091e+01 244 2009 5 3.29017e+01 1.33755e+02 116 2009 6 7.82963e-01 1.95776e-01 150 2009 7 5.74721e+00 4.02145e+00 61 2009 8 1.45006e+00 5.99564e-01 453 2009 9 1.18210e+00 4.07266e-01 457 2009 10 9.84116e-01 1.24890e-01 774 2009 11 9.13474e-01 2.31870e-01 604 2009 12 9.74346e-01 2.46878e-01 262 2010 1 1.32914e+00 5.84871e-01 819 2010 2 1.75341e+00 5.91159e-01 696 2010 3 2.70421e+00 9.37344e+00 622 2010 4 9.30834e+01 4.60737e+02 198 2010 5 2.47122e+00 4.21922e+00 290 2010 6 4.30019e+00 4.21298e+01 508 2010 7 1.27236e+00 3.10608e-01 303 2010 8 1.55641e+00 9.44958e-01 174 2010 9 1.30241e+00 4.57617e-01 438 2010 10 1.05739e+00 3.71858e-01 1515 2010 11 9.80127e-01 1.90575e-01 1147 2010 12 9.75622e-01 2.43787e-01 759 2011 1 1.03590e+00 2.97837e-01 525 2011 2 9.47349e-01 4.00254e-01 798 2011 3 1.17577e+00 3.32561e-01 842 2011 4 1.03557e+00 1.92515e-01 570 2011 5 1.05745e+00 2.12430e+00 609 2011 6 7.69104e-01 6.73265e-02 256 2011 7 7.87718e-01 1.18458e-01 326 2011 8 8.14860e-01 2.78362e-01 302 2011 9 8.50766e-01 1.20728e-01 637 2011 10 9.47997e-01 2.94887e-01 1003 2011 11 8.68722e-01 2.22631e-01 1023 2011 12 8.70533e-01 2.25053e-01 704 2012 1 9.86448e-01 4.73277e-01 949 2012 2 8.64373e-01 2.37375e-01 192 2012 3 1.02166e+00 3.78032e-01 674 2012 4 9.76040e-01 6.34529e-01 778 2012 5 7.12711e-01 8.62968e-02 306 2012 6 4.84506e+00 1.00745e+01 59 2012 7 3.78663e+00 3.38123e+00 5 2012 8 7.09749e+01 8.93184e+01 48 2012 9 1.32674e+00 6.55258e-01 256 2012 10 3.86842e+01 2.42124e+02 331 2012 11 1.01887e+00 1.53643e-01 722 2012 12 1.09636e+00 1.07234e-01 405 2013 1 1.14519e+00 5.25411e-01 610 2013 2 1.12125e+00 8.84346e-02 379 2013 3 1.18391e+00 5.07300e-01 564 2013 4 1.35860e+01 2.18919e+01 74 2013 5 1.66755e+02 9.69062e+02 371 2013 6 1.46481e+01 5.62911e+01 239 2013 7 1.60384e+00 6.81443e-01 56 2013 8 9.98240e+00 3.88763e+01 105 2013 9 1.52599e+00 3.61615e-01 43 2013 10 1.31547e+00 4.73700e-01 711 2013 11 1.40381e+00 2.54701e-01 458 2013 12 1.04251e+00 9.50327e-02 605 2014 1 1.30921e+00 2.40170e-01 298 2014 2 1.16995e+02 9.30410e+02 472 2014 3 1.41321e+00 3.37571e-01 441 2014 4 2.61994e+00 3.89260e+00 102 2014 5 1.03959e+00 3.22453e-01 61 2014 6 1.19673e+00 8.08631e-02 104 2014 7 6.76059e+01 7.86638e+02 406 2014 8 1.10915e+00 1.57670e-01 292 2014 9 7.88642e-01 1.87614e-01 43 2014 10 2.27308e+00 1.46401e+01 1150 2014 11 1.12075e+00 3.61867e-01 816 2014 12 8.60483e-01 2.51913e-01 452 2015 1 1.39518e+00 3.42740e-01 642 2015 2 1.68851e+00 2.85305e+00 502 2015 3 8.88242e+00 7.64185e+01 347 2015 4 6.95279e+02 4.85697e+03 106 2015 5 1.39492e+00 6.93821e-01 430 2015 6 1.06438e+00 1.64940e-01 256 2015 7 1.03936e+00 2.01893e-01 176 2015 8 2.42362e+02 4.65509e+02 62 2015 9 1.58828e+01 1.76477e+02 193 2015 10 1.15346e+00 2.04881e-01 546 2015 11 2.27867e+01 1.96020e+02 515 2015 12 1.23525e+00 4.35090e-01 554 2016 1 1.31778e+00 3.06183e-01 499 2016 2 2.83711e+00 8.77946e+00 748 2016 3 2.52592e+00 5.24935e+00 487 2016 4 7.40605e+00 2.32092e+01 256 2016 5 2.83095e+00 8.65382e+00 503 2016 6 1.03397e+00 1.89686e-01 576 2016 7 1.06362e+00 1.49012e-01 646 2016 8 1.41215e+00 1.88551e+00 335 2016 9 1.47753e+00 5.17308e-01 452 2016 10 1.28633e+00 4.38833e-01 784 2016 11 1.00303e+00 2.18814e-01 852 2016 12 9.13072e-01 2.70390e-01 781 2017 1 1.16876e+00 4.53778e-01 519 2017 2 1.98079e+00 3.24716e+00 849 2017 3 1.42054e+00 1.79456e+00 798 2017 4 1.09772e+00 6.19627e-01 661 2017 5 9.63642e-01 1.73909e-01 389 2017 6 1.02703e+00 1.79482e-01 193 2017 7 1.55709e+00 2.34959e-01 80 2017 8 2.10741e+00 5.87325e+00 363 2017 9 9.97321e+01 6.73788e+02 236 2017 10 2.58644e+00 3.91370e+00 74 2017 11 1.56428e+00 7.57388e-01 1033 2017 12 1.15177e+00 1.93161e-01 469 2018 1 1.14170e+00 2.05739e-01 575 2018 2 8.49200e+00 4.08398e+01 510 2018 3 1.34841e+00 4.44656e-01 700 2018 4 1.56199e+00 2.33917e+00 533 2018 5 1.60712e+00 3.27811e+00 301 2018 6 1.28281e+00 2.98880e-01 256 2018 7 1.04829e+00 4.76204e-01 6 2018 8 nan nan 0 2018 9 7.63821e+00 8.88458e+01 637 2018 10 1.40137e+00 3.13735e-01 928 2018 11 1.23501e+00 2.62655e-01 221 2018 12 2.39422e+00 9.13405e+00 379 2019 1 7.89210e+01 4.99370e+02 98 2019 2 2.08155e+01 4.04513e+01 51 2019 3 2.52780e+00 2.81115e+00 567 2019 4 1.63447e+00 3.30342e-01 384 2019 5 1.12504e+00 3.75960e-01 640 2019 6 9.76824e-01 2.61257e-01 134 2019 7 9.76904e-01 4.40450e-01 138 2019 8 1.60639e+00 4.47330e-01 176 2019 9 1.26154e+00 3.29151e-01 462 2019 10 1.30334e+00 6.45593e-01 536 2019 11 1.19445e+00 2.57978e-01 568 2019 12 1.42221e+00 3.81921e-01 387 2020 1 1.60202e+00 5.71868e-01 534 2020 2 1.54029e+00 4.82920e-01 530 2020 3 5.54249e+00 2.72058e+01 500 2020 4 2.20386e+00 8.25227e-01 244 2020 5 1.90252e+00 2.01025e+00 538 2020 6 3.45594e+00 7.13643e+00 215 2020 7 2.17808e+02 1.51107e+03 58 2020 8 1.85213e+00 2.19252e-01 220 2020 9 3.57407e+00 4.22712e+00 87 2020 10 4.09182e+00 1.41651e+01 417 2020 11 1.36037e+00 2.35008e-01 648 2020 12 1.42555e+00 9.30721e-01 487 2021 1 1.28141e+00 2.28643e-01 155 2021 2 4.99076e+00 3.31286e+01 355 2021 3 2.38182e+00 3.68378e+00 199 2021 4 7.09107e+01 5.80367e+02 229 2021 5 2.58025e+00 1.04176e+01 409 2021 6 1.21901e+00 3.05781e-01 180 2021 7 3.21587e+00 6.16623e+00 129 2021 8 3.43291e+00 1.13532e+01 17 2021 9 3.06832e-01 5.49762e-02 12 2021 10 2.34692e+00 1.28497e+01 477 2021 11 1.45506e+00 3.55498e-01 669 2021 12 1.71879e+00 2.66329e+00 575 2022 1 2.76681e+00 4.51961e+00 462 2022 2 1.59114e+00 6.12552e-01 757 2022 3 2.04116e+00 2.78549e+00 616 2022 4 nan nan 0 2022 5 5.19684e+01 6.40284e+02 322 2022 6 1.09614e+00 2.72586e-01 326 2022 7 1.08166e+00 3.79586e-01 268 2022 8 3.58806e+00 6.76618e+00 245 2022 9 1.84314e+01 1.35363e+02 214 2022 10 8.30456e-01 1.95682e-01 1021 2022 11 1.39335e+00 2.62974e-01 289 2022 12 1.31347e+00 1.15143e+00 639 2023 1 9.65648e-01 1.44604e-01 732 2023 2 1.31975e+00 4.55605e-01 507 2023 3 1.77832e+00 6.47316e-01 388 2023 4 3.83325e+01 5.12677e+02 461 2023 5 1.03590e+00 9.73546e-02 128 2023 6 1.03651e+00 2.16298e-01 284 2023 7 3.36667e+02 4.93193e+03 530 2023 8 1.88175e+00 1.77166e+00 248 2023 9 5.13765e+00 1.62915e+01 296 2023 10 1.60588e+00 1.50971e+00 720 2023 11 1.14667e+00 3.63793e-01 609 2023 12 1.74270e+00 7.45606e-01 267 2024 1 1.52517e+00 3.92598e-01 64 2024 2 1.85646e+00 6.30933e-01 474 2024 3 2.64940e+02 1.72330e+03 328 2024 4 nan nan 0