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 1.91138e+00 5.27564e-01 232 2002 8 3.80858e+00 1.42229e+00 474 2002 9 2.20714e+00 1.05675e+00 531 2002 10 3.03534e+00 6.89647e-01 664 2002 11 2.55217e+00 1.09120e+00 505 2002 12 3.05689e+00 7.56093e-01 650 2003 1 4.30619e+00 1.06906e+00 780 2003 2 3.77871e+00 9.03909e-01 668 2003 3 3.75509e+00 1.26943e+00 704 2003 4 2.32500e+00 1.19371e+00 569 2003 5 2.91568e+00 1.50377e+00 321 2003 6 2.37419e+00 8.19056e-01 254 2003 7 2.53305e+00 1.29125e+00 562 2003 8 2.84528e+00 8.53487e-01 270 2003 9 3.25289e+00 1.12673e+00 616 2003 10 1.94759e+00 7.86096e-01 503 2003 11 2.02909e+00 1.07632e+00 665 2003 12 2.27971e+00 1.03422e+00 655 2004 1 5.45506e+00 7.15653e-01 892 2004 2 4.69503e+00 9.26800e-01 740 2004 3 3.49689e+00 1.05424e+00 577 2004 4 1.91792e+00 8.92883e-01 384 2004 5 4.24376e+00 1.13433e+00 144 2004 6 3.45452e+00 1.21075e+00 325 2004 7 3.49851e+00 4.44874e-01 75 2004 8 3.21809e+00 1.30814e+00 562 2004 9 3.26199e+00 1.29170e+00 506 2004 10 2.50205e+00 7.20228e-01 576 2004 11 2.96405e+00 7.56852e-01 842 2004 12 3.42656e+00 7.71615e-01 407 2005 1 1.89404e+00 9.34017e-01 663 2005 2 2.94121e+00 8.91299e-01 570 2005 3 3.78598e+00 8.79767e-01 682 2005 4 1.86184e+00 7.61021e-01 651 2005 5 2.14455e+00 1.25612e+00 306 2005 6 1.98820e+00 1.55275e+00 387 2005 7 1.88686e+00 1.04861e+00 320 2005 8 3.91931e+00 8.75884e-01 489 2005 9 2.39098e+00 7.66552e-01 815 2005 10 2.34328e+00 1.14596e+00 429 2005 11 2.45381e+00 8.33850e-01 598 2005 12 3.33769e+00 6.67183e-01 692 2006 1 3.86616e+00 1.09774e+00 762 2006 2 3.65892e+00 9.83298e-01 640 2006 3 4.07777e+00 6.33846e-01 706 2006 4 3.71891e+00 1.39401e+00 511 2006 5 4.04694e+00 1.54240e+00 192 2006 6 2.76916e+00 4.12304e-01 192 2006 7 2.21583e+00 1.19729e+00 188 2006 8 3.18857e+00 1.46404e+00 609 2006 9 1.81138e+00 6.16083e-01 483 2006 10 2.95891e+00 4.59279e-01 760 2006 11 2.91615e+00 8.16895e-01 462 2006 12 3.42140e+00 4.60840e-01 574 2007 1 4.14160e+00 1.01706e+00 466 2007 2 5.18738e+00 1.23452e+00 795 2007 3 3.49795e+00 1.36098e+00 698 2007 4 1.78554e+00 3.73696e-01 343 2007 5 2.28955e+00 1.27935e+00 403 2007 6 2.11514e+00 1.11408e+00 96 2007 7 3.97533e+00 1.51812e+00 504 2007 8 2.54162e+00 8.33407e-01 459 2007 9 2.46327e+00 9.23909e-01 775 2007 10 2.13517e+00 7.22632e-01 547 2007 11 2.57035e+00 8.43804e-01 550 2007 12 3.00578e+00 6.87343e-01 384 2008 1 3.51894e+00 1.28460e+00 576 2008 2 4.38246e+00 6.31786e-01 448 2008 3 3.53849e+00 8.71723e-01 640 2008 4 2.61639e+00 1.65245e+00 692 2008 5 1.98889e+00 5.92138e-01 137 2008 6 4.27586e+00 1.40845e+00 384 2008 7 3.41534e+00 8.58042e-01 297 2008 8 2.87495e+00 1.41701e+00 635 2008 9 3.77002e+00 1.37552e+00 701 2008 10 2.46053e+00 7.17960e-01 714 2008 11 2.89536e+00 5.75180e-01 578 2008 12 3.68569e+00 8.18244e-01 512 2009 1 5.74756e+00 6.39971e-01 1035 2009 2 5.81299e+00 1.10795e+00 790 2009 3 4.55708e+00 1.19232e+00 700 2009 4 1.90824e+00 1.09276e+00 460 2009 5 2.51261e+00 7.89583e-01 213 2009 6 3.18483e+00 1.01157e+00 231 2009 7 2.40642e+00 1.41332e+00 401 2009 8 3.13294e+00 1.42168e+00 324 2009 9 2.11845e+00 1.13046e+00 456 2009 10 3.24671e+00 9.61228e-01 531 2009 11 2.61925e+00 5.67141e-01 518 2009 12 3.20180e+00 7.78670e-01 457 2010 1 4.35251e+00 1.19918e+00 758 2010 2 3.84447e+00 1.04883e+00 505 2010 3 1.81419e+00 3.92898e-01 668 2010 4 1.56336e+00 3.24293e-01 619 2010 5 2.72798e+00 1.04427e+00 542 2010 6 3.66291e+00 2.10700e+00 423 2010 7 3.07104e+00 1.19466e+00 475 2010 8 2.67648e+00 9.40234e-01 570 2010 9 2.79495e+00 8.71385e-01 734 2010 10 2.55108e+00 4.62781e-01 705 2010 11 2.29528e+00 8.08129e-01 512 2010 12 2.74010e+00 8.45671e-01 384 2011 1 3.73491e+00 1.06387e+00 559 2011 2 4.93405e+00 9.61686e-01 499 2011 3 3.44670e+00 1.08323e+00 607 2011 4 2.57269e+00 1.33232e+00 287 2011 5 1.65714e+00 4.53486e-01 256 2011 6 3.00623e+00 9.64601e-01 206 2011 7 2.68338e+00 1.32827e+00 486 2011 8 4.00051e+00 1.60199e+00 663 2011 9 2.90000e+00 1.18272e+00 362 2011 10 2.43206e+00 3.65778e-01 411 2011 11 2.22299e+00 6.49045e-01 638 2011 12 3.10931e+00 7.47900e-01 546 2012 1 3.37915e+00 9.54161e-01 518 2012 2 4.43898e+00 4.06064e-01 644 2012 3 2.55090e+00 7.09904e-01 815 2012 4 4.40300e+00 1.14528e+00 397 2012 5 3.05348e+00 1.76344e+00 320 2012 6 2.50298e+00 1.16859e+00 463 2012 7 3.38614e+00 7.23388e-01 735 2012 8 2.90827e+00 8.29329e-01 614 2012 9 2.70086e+00 1.24596e+00 762 2012 10 2.43212e+00 9.34097e-01 449 2012 11 2.00463e+00 6.73387e-01 603 2012 12 3.14065e+00 1.19584e+00 344 2013 1 3.45778e+00 5.87206e-01 538 2013 2 2.82372e+00 1.11268e+00 641 2013 3 2.04610e+00 1.30019e+00 266 2013 4 3.31055e+00 7.39429e-01 898 2013 5 3.59486e+00 5.24716e-01 332 2013 6 2.17537e+00 9.72782e-01 319 2013 7 3.32517e+00 1.19381e+00 337 2013 8 2.25729e+00 9.80116e-01 653 2013 9 3.01446e+00 1.40902e+00 1172 2013 10 3.36047e+00 1.07545e+00 540 2013 11 2.40936e+00 8.04790e-01 846 2013 12 3.28687e+00 1.21723e+00 573 2014 1 3.15002e+00 1.31955e+00 512 2014 2 4.01000e+00 1.33209e+00 474 2014 3 4.72898e+00 1.11945e+00 512 2014 4 2.82187e+00 6.15524e-01 494 2014 5 2.06610e+00 6.75401e-01 312 2014 6 3.45201e+00 9.58497e-01 504 2014 7 3.77685e+00 7.09094e-01 319 2014 8 3.03113e+00 9.16893e-01 806 2014 9 2.72509e+00 1.10636e+00 744 2014 10 2.53277e+00 6.10476e-01 512 2014 11 2.94225e+00 1.03126e+00 325 2014 12 2.67398e+00 5.98036e-01 197 2015 1 3.91762e+00 1.12333e+00 534 2015 2 2.66192e+00 1.49548e+00 346 2015 3 4.63164e+00 1.02110e+00 740 2015 4 4.75315e+00 1.12362e+00 562 2015 5 2.97035e+00 1.41823e+00 432 2015 6 3.96377e+00 8.16679e-01 352 2015 7 2.91763e+00 1.21460e+00 252 2015 8 3.50587e+00 1.05585e+00 573 2015 9 3.10917e+00 1.00654e+00 859 2015 10 2.48180e+00 5.66799e-01 676 2015 11 2.49342e+00 5.09551e-01 829 2015 12 2.69664e+00 5.90582e-01 510 2016 1 2.60442e+00 1.00855e+00 607 2016 2 2.83413e+00 6.11316e-01 572 2016 3 3.54041e+00 1.10033e+00 608 2016 4 3.05369e+00 8.33999e-01 721 2016 5 3.31106e+00 8.06879e-01 264 2016 6 3.33314e+00 1.42972e+00 501 2016 7 3.34496e+00 1.05276e+00 403 2016 8 3.28479e+00 1.14261e+00 885 2016 9 2.52856e+00 1.45514e+00 552 2016 10 2.55748e+00 7.76031e-01 565 2016 11 2.31128e+00 4.63681e-01 779 2016 12 2.07829e+00 6.10792e-01 627 2017 1 3.38789e+00 1.18662e+00 640 2017 2 3.55096e+00 1.14710e+00 493 2017 3 3.92849e+00 9.80659e-01 844 2017 4 3.17500e+00 1.12330e+00 471 2017 5 2.80088e+00 6.46907e-01 165 2017 6 3.30147e+00 3.55321e+00 221 2017 7 3.87895e+00 1.64765e+00 462 2017 8 2.32502e+00 1.23462e+00 584 2017 9 2.32985e+00 1.18909e+00 644 2017 10 1.75533e+00 4.66027e-01 760 2017 11 2.49921e+00 8.08263e-01 765 2017 12 3.81793e+00 9.58452e-01 513 2018 1 4.26442e+00 8.23525e-01 640 2018 2 4.20383e+00 8.57771e-01 459 2018 3 2.87731e+00 1.06428e+00 448 2018 4 3.73998e+00 5.53476e-01 575 2018 5 2.55395e+00 1.67678e+00 417 2018 6 3.53667e+00 9.27766e-01 544 2018 7 2.87380e+00 6.33513e-01 663 2018 8 3.18049e+00 2.16060e+00 606 2018 9 2.66740e+00 9.84287e-01 338 2018 10 2.63033e+00 6.72819e-01 580 2018 11 2.62804e+00 3.80576e-01 626 2018 12 3.52439e+00 5.25979e-01 997 2019 1 4.49131e+00 8.60569e-01 668 2019 2 4.56310e+00 8.59417e-01 455 2019 3 5.49238e+00 8.23854e-01 876 2019 4 3.39279e+00 1.00764e+00 385 2019 5 2.35270e+00 1.08433e+00 169 2019 6 2.44456e+00 1.28751e+00 299 2019 7 2.43533e+00 1.08437e+00 569 2019 8 2.30634e+00 9.79979e-01 497 2019 9 2.13300e+00 7.93689e-01 712 2019 10 2.15031e+00 4.25234e-01 337 2019 11 2.36348e+00 5.94113e-01 704 2019 12 3.80432e+00 6.11387e-01 490 2020 1 4.06285e+00 9.45102e-01 705 2020 2 4.06098e+00 1.19424e+00 576 2020 3 3.46297e+00 7.39151e-01 661 2020 4 1.82838e+00 4.04523e-01 292 2020 5 2.77346e+00 1.21832e+00 668 2020 6 3.08462e+00 1.28392e+00 317 2020 7 3.86621e+00 1.07584e+00 582 2020 8 3.12430e+00 3.96403e-01 192 2020 9 2.01309e+00 1.66083e+00 491 2020 10 2.66333e+00 9.87953e-01 736 2020 11 2.56506e+00 8.68863e-01 463 2020 12 2.21635e+00 5.38765e-01 384 2021 1 3.03130e+00 7.14640e-01 494 2021 2 3.48416e+00 9.79131e-01 362 2021 3 3.30235e+00 8.75089e-01 1132 2021 4 4.42954e+00 7.66674e-01 564 2021 5 2.20679e+00 7.34993e-01 377 2021 6 3.05892e+00 1.55066e+00 426 2021 7 1.85642e+00 7.49780e-01 185 2021 8 2.40915e+00 1.76485e+00 289 2021 9 2.83405e+00 1.32064e+00 520 2021 10 2.25694e+00 1.04225e+00 574 2021 11 2.06583e+00 5.53752e-01 877 2021 12 2.18578e+00 5.50058e-01 292 2022 1 3.61171e+00 1.49244e+00 589 2022 2 3.64435e+00 1.24107e+00 832 2022 3 4.25000e+00 1.08127e+00 640 2022 4 2.58211e+00 5.50756e-01 256 2022 5 2.68653e+00 1.23079e+00 252 2022 6 3.82391e+00 1.29801e+00 552 2022 7 3.78342e+00 7.35767e-01 742 2022 8 4.10703e+00 6.36662e-01 712 2022 9 1.74891e+00 7.63549e-01 443 2022 10 2.10090e+00 6.69698e-01 844 2022 11 3.34848e+00 7.17227e-01 975 2022 12 2.38013e+00 6.74852e-01 606 2023 1 2.21086e+00 7.95081e-01 316 2023 2 4.79356e+00 9.59426e-01 384 2023 3 3.70162e+00 1.09688e+00 512 2023 4 3.46542e+00 7.68680e-01 531 2023 5 2.60151e+00 1.06427e+00 348 2023 6 4.39093e+00 2.21724e+00 434 2023 7 3.50913e+00 2.61719e+00 503 2023 8 2.80424e+00 8.14163e-01 714 2023 9 3.15439e+00 9.84313e-01 435 2023 10 2.36064e+00 7.82136e-01 748 2023 11 2.12213e+00 7.64698e-01 640 2023 12 1.98748e+00 7.34586e-01 378 2024 1 2.61452e+00 1.38100e+00 466 2024 2 3.09574e+00 1.01924e+00 884 2024 3 2.63405e+00 5.46433e-01 547 2024 4 nan nan 0