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 7.09586e+00 1.29182e+00 556 2002 8 7.69129e+00 1.93408e+00 702 2002 9 7.75069e+00 2.11181e+00 617 2002 10 6.15011e+00 1.33887e+00 118 2002 11 6.13722e+00 5.59432e-01 64 2002 12 nan nan 0 2003 1 nan nan 0 2003 2 nan nan 0 2003 3 nan nan 0 2003 4 5.41602e+00 2.41368e+00 448 2003 5 7.01785e+00 2.70848e+00 735 2003 6 7.21610e+00 2.22549e+00 697 2003 7 9.03678e+00 1.67231e+00 809 2003 8 8.86658e+00 1.69721e+00 926 2003 9 7.21031e+00 1.98188e+00 391 2003 10 6.39663e+00 1.68686e+00 507 2003 11 7.40914e+00 1.29770e+00 172 2003 12 5.71952e+00 7.97424e-01 64 2004 1 nan nan 0 2004 2 4.90783e+00 1.25549e+00 105 2004 3 5.23252e+00 1.39619e+00 233 2004 4 5.63380e+00 1.91397e+00 644 2004 5 7.04441e+00 1.85330e+00 620 2004 6 8.20140e+00 1.97619e+00 805 2004 7 5.56752e+00 2.34332e+00 652 2004 8 6.07248e+00 1.28651e+00 840 2004 9 5.50122e+00 1.95688e+00 843 2004 10 3.65328e+00 1.12677e+00 280 2004 11 5.47914e+00 1.24561e+00 207 2004 12 nan nan 0 2005 1 3.72064e+00 2.87623e+00 6 2005 2 6.04510e+00 1.24772e+00 225 2005 3 6.99061e+00 1.02438e+00 352 2005 4 6.74277e+00 1.64145e+00 804 2005 5 8.68031e+00 1.61611e+00 340 2005 6 9.45288e+00 2.02364e+00 737 2005 7 9.69629e+00 2.19616e+00 975 2005 8 1.23303e+01 2.87746e+00 1140 2005 9 8.80079e+00 2.80516e+00 693 2005 10 6.07982e+00 1.41027e+00 344 2005 11 7.36533e+00 8.61285e-01 107 2005 12 nan nan 0 2006 1 3.43587e+00 1.35716e+00 256 2006 2 5.38709e+00 5.18862e-01 64 2006 3 6.15672e+00 1.56830e+00 486 2006 4 5.73962e+00 2.70364e+00 722 2006 5 7.12676e+00 8.24915e-01 234 2006 6 9.76107e+00 2.05453e+00 805 2006 7 1.02832e+01 2.40727e+00 798 2006 8 1.05121e+01 2.18109e+00 873 2006 9 7.17353e+00 1.16191e+00 562 2006 10 5.98612e+00 2.39510e+00 320 2006 11 6.51056e+00 1.17285e+00 64 2006 12 nan nan 0 2007 1 4.88924e+00 4.76128e-01 64 2007 2 7.11747e+00 7.98367e-01 98 2007 3 6.94399e+00 9.57866e-01 256 2007 4 7.05549e+00 1.63354e+00 452 2007 5 7.74394e+00 1.31048e+00 778 2007 6 1.08945e+01 1.90343e+00 954 2007 7 9.49412e+00 1.90623e+00 1044 2007 8 1.12156e+01 1.67663e+00 929 2007 9 7.43282e+00 1.78583e+00 496 2007 10 6.76012e+00 1.66873e+00 592 2007 11 3.42087e+00 2.54725e-01 5 2007 12 nan nan 0 2008 1 nan nan 0 2008 2 9.57758e+00 5.82772e-01 65 2008 3 7.00314e+00 8.98870e-01 283 2008 4 7.42668e+00 1.52743e+00 330 2008 5 8.54060e+00 1.59366e+00 512 2008 6 1.06226e+01 1.90912e+00 417 2008 7 8.15172e+00 2.60343e+00 552 2008 8 1.00454e+01 2.08455e+00 1225 2008 9 9.77572e+00 2.16863e+00 493 2008 10 5.46767e+00 1.12996e+00 303 2008 11 6.33586e+00 9.03119e-01 192 2008 12 nan nan 0 2009 1 nan nan 0 2009 2 nan nan 0 2009 3 7.94833e+00 1.97897e+00 134 2009 4 9.03901e+00 1.30139e+00 519 2009 5 7.75730e+00 1.97601e+00 617 2009 6 8.37688e+00 2.30844e+00 840 2009 7 8.94208e+00 1.77739e+00 735 2009 8 8.83466e+00 2.03876e+00 690 2009 9 9.57760e+00 2.39942e+00 1054 2009 10 4.50614e+00 1.37281e+00 206 2009 11 3.11693e+00 1.15192e+00 339 2009 12 nan nan 0 2010 1 nan nan 0 2010 2 5.25097e+00 6.27548e-01 191 2010 3 5.85555e+00 1.76727e+00 668 2010 4 5.82053e+00 1.73187e+00 681 2010 5 9.76089e+00 2.02806e+00 829 2010 6 9.87709e+00 1.99790e+00 624 2010 7 1.08488e+01 1.65158e+00 713 2010 8 1.23297e+01 3.52194e+00 1062 2010 9 7.19410e+00 1.04925e+00 523 2010 10 4.93417e+00 1.86657e+00 790 2010 11 4.07657e+00 6.40612e-01 64 2010 12 nan nan 0 2011 1 nan nan 0 2011 2 2.45786e+00 7.99300e-01 64 2011 3 5.28809e+00 1.54777e+00 180 2011 4 8.25122e+00 1.40105e+00 743 2011 5 8.67509e+00 1.13213e+00 448 2011 6 9.82423e+00 2.14148e+00 587 2011 7 1.03019e+01 1.75983e+00 753 2011 8 1.08417e+01 1.61265e+00 885 2011 9 1.09316e+01 1.96092e+00 778 2011 10 6.64809e+00 1.73438e+00 480 2011 11 6.37536e+00 1.37714e+00 256 2011 12 nan nan 0 2012 1 5.20191e+00 9.27646e-01 70 2012 2 5.93871e+00 1.40763e+00 289 2012 3 7.14058e+00 1.78164e+00 493 2012 4 6.27021e+00 1.30845e+00 1232 2012 5 8.43085e+00 2.17505e+00 676 2012 6 8.49763e+00 3.00165e+00 784 2012 7 1.24042e+01 3.05468e+00 930 2012 8 1.02791e+01 2.75706e+00 706 2012 9 6.85739e+00 2.08321e+00 320 2012 10 4.81150e+00 8.02179e-01 192 2012 11 6.81939e+00 5.25093e-01 43 2012 12 nan nan 0 2013 1 1.19207e-01 1.24456e-01 64 2013 2 nan nan 0 2013 3 6.74680e+00 1.85826e+00 278 2013 4 6.58729e+00 2.34770e+00 350 2013 5 8.54821e+00 1.31174e+00 611 2013 6 1.04419e+01 1.87629e+00 692 2013 7 1.17115e+01 2.76060e+00 756 2013 8 1.06092e+01 1.98187e+00 821 2013 9 8.93340e+00 1.81411e+00 754 2013 10 6.01677e+00 1.86127e+00 272 2013 11 nan nan 0 2013 12 nan nan 0 2014 1 9.90495e+00 5.79636e-01 33 2014 2 nan nan 0 2014 3 nan nan 0 2014 4 nan nan 0 2014 5 8.65144e+00 2.20571e+00 319 2014 6 9.61904e+00 1.74725e+00 567 2014 7 8.98501e+00 2.16415e+00 828 2014 8 7.05965e+00 1.41257e+00 1007 2014 9 6.09753e+00 1.65463e+00 839 2014 10 4.74933e+00 1.15276e+00 254 2014 11 4.94892e+00 0.00000e+00 2 2014 12 nan nan 0 2015 1 2.12372e+00 0.00000e+00 2 2015 2 nan nan 0 2015 3 nan nan 0 2015 4 8.56594e+00 1.42687e+00 836 2015 5 6.49493e+00 2.43266e+00 486 2015 6 7.89575e+00 1.56684e+00 511 2015 7 9.93107e+00 1.65855e+00 482 2015 8 9.09641e+00 1.26079e+00 349 2015 9 5.43817e+00 1.56421e+00 942 2015 10 3.41056e+00 1.38111e+00 394 2015 11 4.83707e+00 1.14988e+00 339 2015 12 nan nan 0 2016 1 3.68043e+00 1.38547e+00 159 2016 2 3.86337e+00 7.32435e-01 64 2016 3 5.45485e+00 1.26736e+00 681 2016 4 6.54543e+00 1.83755e+00 588 2016 5 7.79934e+00 1.44452e+00 805 2016 6 9.71960e+00 1.73627e+00 733 2016 7 7.08666e+00 2.62240e+00 1102 2016 8 9.45189e+00 2.25759e+00 974 2016 9 7.49488e+00 2.16349e+00 691 2016 10 5.06058e+00 9.01015e-01 265 2016 11 2.09423e+00 1.44211e+00 503 2016 12 nan nan 0 2017 1 2.12599e+00 9.44232e-01 128 2017 2 4.00320e+00 1.64336e+00 192 2017 3 3.77824e+00 9.59453e-01 263 2017 4 6.48813e+00 1.17296e+00 496 2017 5 6.81950e+00 1.24266e+00 512 2017 6 8.92323e+00 1.91419e+00 486 2017 7 7.87356e+00 1.75741e+00 886 2017 8 6.32316e+00 2.30038e+00 438 2017 9 7.00823e+00 1.63544e+00 731 2017 10 4.25397e+00 1.34657e+00 330 2017 11 nan nan 0 2017 12 nan nan 0 2018 1 1.12620e+01 1.54793e+00 46 2018 2 nan nan 0 2018 3 6.74640e+00 1.05087e+00 334 2018 4 6.62184e+00 2.23004e+00 702 2018 5 7.46532e+00 1.25773e+00 520 2018 6 8.44346e+00 1.51086e+00 752 2018 7 1.00868e+01 1.78407e+00 1102 2018 8 7.08324e+00 2.61615e+00 462 2018 9 8.97237e+00 1.76099e+00 550 2018 10 5.57111e+00 2.50615e+00 246 2018 11 4.36254e+00 5.50963e-01 17 2018 12 nan nan 0 2019 1 nan nan 0 2019 2 8.11969e+00 1.27709e-01 4 2019 3 6.42959e+00 1.87498e+00 111 2019 4 7.42837e+00 1.42008e+00 357 2019 5 6.36697e+00 2.32412e+00 875 2019 6 8.51398e+00 1.45413e+00 838 2019 7 1.01630e+01 2.33111e+00 592 2019 8 9.89716e+00 2.19227e+00 877 2019 9 6.43685e+00 1.70919e+00 386 2019 10 3.61113e+00 1.01695e+00 301 2019 11 nan nan 0 2019 12 nan nan 0 2020 1 nan nan 0 2020 2 3.81622e+00 1.61066e+00 371 2020 3 3.66767e+00 2.62920e+00 413 2020 4 5.51314e+00 1.40310e+00 565 2020 5 6.16827e+00 2.08719e+00 770 2020 6 9.75906e+00 1.96820e+00 614 2020 7 8.58804e+00 2.26307e+00 704 2020 8 8.54177e+00 1.40459e+00 576 2020 9 2.34752e+00 1.65810e+00 482 2020 10 2.04651e+00 1.11293e+00 146 2020 11 1.95911e+00 1.08113e+00 384 2020 12 2.72438e-01 1.02706e-01 64 2021 1 nan nan 0 2021 2 2.94949e-02 2.42773e-02 12 2021 3 4.39242e+00 1.29554e+00 577 2021 4 4.89167e+00 2.22290e+00 593 2021 5 7.05199e+00 1.57002e+00 746 2021 6 9.03324e+00 2.67082e+00 565 2021 7 9.21883e+00 1.90207e+00 632 2021 8 1.36937e+01 2.25711e+00 705 2021 9 7.04123e+00 2.79652e+00 571 2021 10 3.80058e+00 1.82123e+00 268 2021 11 3.47817e+00 8.98820e-01 70 2021 12 nan nan 0 2022 1 nan nan 0 2022 2 nan nan 0 2022 3 8.28969e+00 6.63446e-01 209 2022 4 4.88437e+00 1.45324e+00 97 2022 5 6.89423e+00 2.86066e+00 520 2022 6 9.59131e+00 1.37888e+00 814 2022 7 8.94821e+00 1.94332e+00 903 2022 8 1.01422e+01 2.44893e+00 1026 2022 9 9.79065e+00 2.08074e+00 774 2022 10 6.24616e+00 1.98792e+00 665 2022 11 4.51745e+00 3.30037e+00 223 2022 12 nan nan 0 2023 1 nan nan 0 2023 2 4.50098e+00 1.40325e+00 257 2023 3 7.07818e+00 1.60081e+00 553 2023 4 8.16385e+00 1.35532e+00 620 2023 5 8.05419e+00 2.34022e+00 666 2023 6 9.93425e+00 1.50660e+00 776 2023 7 1.02343e+01 1.77116e+00 739 2023 8 1.15488e+01 1.68704e+00 817 2023 9 1.10818e+01 1.55725e+00 840 2023 10 3.36601e+00 2.64564e+00 153 2023 11 4.32060e+00 1.48929e+00 188 2023 12 nan nan 0 2024 1 nan nan 0 2024 2 nan nan 0 2024 3 5.63917e+00 1.94049e+00 481 2024 4 nan nan 0