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 1.27840e+00 3.03552e-01 192 2002 8 6.91466e-01 3.64288e-01 376 2002 9 8.19516e-01 3.30034e-01 411 2002 10 9.15868e-01 6.03043e-01 897 2002 11 1.20159e+00 8.11860e-01 695 2002 12 1.43372e+00 6.89825e-01 744 2003 1 1.88086e+00 1.63802e+00 1023 2003 2 1.14649e+00 6.06574e-01 549 2003 3 7.57438e-01 9.07040e-01 315 2003 4 1.29396e+00 1.00160e+00 630 2003 5 6.13909e-01 4.03977e-01 336 2003 6 7.80434e-01 3.03494e-01 105 2003 7 7.50702e-01 1.48771e-01 64 2003 8 6.95477e-01 2.22541e-01 183 2003 9 1.02259e+00 3.64689e-01 313 2003 10 2.01343e+00 5.31384e-01 525 2003 11 1.87706e+00 1.12992e+00 888 2003 12 2.53013e+00 1.34704e+00 710 2004 1 1.54418e+00 1.12224e+00 833 2004 2 1.47977e+00 4.80197e-01 469 2004 3 1.33597e+00 5.90090e-01 640 2004 4 2.31498e+00 1.26104e+00 436 2004 5 1.14727e+00 5.47940e-01 410 2004 6 1.41873e+00 4.04128e-01 268 2004 7 1.49850e+00 6.55921e-01 163 2004 8 1.36176e+00 4.09184e-01 177 2004 9 2.06275e+00 2.06109e+00 338 2004 10 2.46575e+00 1.28903e+00 565 2004 11 2.80578e+00 1.33993e+00 725 2004 12 6.59056e+00 3.76424e+00 384 2005 1 4.73885e+00 1.80924e+00 590 2005 2 2.38848e+00 1.62014e+00 689 2005 3 2.18519e+00 6.40794e-01 576 2005 4 3.22515e+00 1.46597e+00 626 2005 5 7.79097e-01 4.65607e-01 351 2005 6 1.14495e+00 3.34901e-01 191 2005 7 3.58788e-01 2.08543e-01 203 2005 8 5.46045e-01 2.59091e-01 342 2005 9 6.55662e-01 4.72915e-01 361 2005 10 1.34922e+00 8.92694e-01 578 2005 11 1.38872e+00 6.49698e-01 780 2005 12 1.07659e+00 5.28065e-01 810 2006 1 1.76115e+00 1.06294e+00 466 2006 2 2.05679e+00 8.97180e-01 896 2006 3 1.48721e+00 5.45862e-01 1070 2006 4 7.86310e-01 5.22595e-01 671 2006 5 7.85117e-01 3.03686e-01 465 2006 6 1.69329e+00 1.22368e+00 485 2006 7 1.60473e+00 1.12401e+00 189 2006 8 1.47764e+00 5.56802e-01 189 2006 9 1.31699e+00 6.67505e-01 581 2006 10 1.38830e+00 6.35666e-01 929 2006 11 1.53615e+00 7.06536e-01 742 2006 12 1.22424e+00 6.70432e-01 387 2007 1 1.43496e+00 4.90962e-01 437 2007 2 1.80555e+00 1.45629e+00 576 2007 3 1.36448e+00 1.50534e+00 620 2007 4 2.49142e+00 2.01945e+00 534 2007 5 9.23086e-01 4.98380e-01 383 2007 6 1.10017e+00 5.39139e-01 174 2007 7 1.56602e+00 5.85345e-01 361 2007 8 2.31453e+00 7.81277e-01 429 2007 9 2.85645e+00 1.41652e+00 448 2007 10 1.93070e+00 9.53504e-01 350 2007 11 1.58149e+00 6.94734e-01 907 2007 12 1.48596e+00 5.56501e-01 997 2008 1 3.48928e+00 1.56114e+00 639 2008 2 2.61678e+00 5.77461e-01 642 2008 3 3.14941e+00 2.04464e+00 590 2008 4 1.38353e+00 5.17472e-01 536 2008 5 1.50834e+00 6.07065e-01 503 2008 6 2.30144e+00 7.00923e-01 479 2008 7 1.68571e+00 3.02077e-01 192 2008 8 1.28940e+00 4.70844e-01 250 2008 9 1.17694e+00 5.90548e-01 304 2008 10 1.60516e+00 1.13582e+00 858 2008 11 2.96317e+00 9.58909e-01 1097 2008 12 2.18437e+00 1.58562e+00 868 2009 1 2.82463e+00 1.41176e+00 850 2009 2 3.29083e+00 1.42523e+00 772 2009 3 2.32231e+00 1.45170e+00 974 2009 4 3.42104e+00 2.03671e+00 271 2009 5 1.16494e+00 4.95279e-01 444 2009 6 2.35034e+00 7.47092e-01 195 2009 7 1.36984e+00 3.85137e-01 384 2009 8 1.30068e+00 5.45782e-01 411 2009 9 8.80875e-01 4.90323e-01 493 2009 10 1.90337e+00 1.51577e+00 668 2009 11 4.65297e+00 1.64194e+00 737 2009 12 2.57619e+00 1.11530e+00 427 2010 1 3.00607e+00 1.15030e+00 576 2010 2 6.10086e+00 2.27943e+00 583 2010 3 5.57847e+00 2.15788e+00 861 2010 4 1.60180e+00 6.04664e-01 623 2010 5 2.63975e+00 1.24161e+00 492 2010 6 1.25548e+00 8.14071e-01 524 2010 7 7.24661e-01 2.92207e-01 98 2010 8 1.48733e+00 8.22070e-01 261 2010 9 1.90197e+00 1.13955e+00 439 2010 10 3.49070e+00 1.31107e+00 1459 2010 11 3.99710e+00 2.03092e+00 1024 2010 12 4.98266e+00 2.40295e+00 1006 2011 1 2.74904e+00 1.00337e+00 648 2011 2 2.76901e+00 9.22540e-01 840 2011 3 2.73086e+00 2.24558e+00 983 2011 4 1.72322e+00 5.88390e-01 775 2011 5 1.00587e+00 4.76843e-01 570 2011 6 1.37113e+00 7.02140e-01 371 2011 7 9.91497e-01 5.01102e-01 255 2011 8 1.34697e+00 7.42029e-01 226 2011 9 1.87083e+00 8.53999e-01 197 2011 10 3.29357e+00 1.16651e+00 671 2011 11 5.14654e+00 2.47113e+00 970 2011 12 1.43356e+00 1.11889e+00 1105 2012 1 1.87409e+00 9.73212e-01 789 2012 2 2.41166e+00 1.41968e+00 622 2012 3 1.37125e+00 6.76660e-01 855 2012 4 1.37394e+00 5.77796e-01 547 2012 5 1.04368e+00 2.90888e-01 384 2012 6 3.79667e+00 1.26500e+00 122 2012 7 2.39248e+00 9.81260e-01 192 2012 8 1.95260e+00 7.76973e-01 192 2012 9 1.77711e+00 1.27745e+00 333 2012 10 2.15546e+00 2.73794e+00 424 2012 11 1.79466e+00 7.20383e-01 648 2012 12 2.94405e+00 2.27253e+00 430 2013 1 2.00805e+00 8.42994e-01 747 2013 2 2.33600e+00 1.04737e+00 759 2013 3 2.32424e+00 1.04089e+00 784 2013 4 1.34248e+00 3.33858e-01 447 2013 5 1.29032e+00 3.53233e-01 578 2013 6 1.57797e+00 4.75551e-01 384 2013 7 1.33345e+00 3.53070e-01 304 2013 8 1.07378e+00 8.93255e-01 353 2013 9 4.35006e-01 2.72133e-01 585 2013 10 5.87167e-01 5.06718e-01 774 2013 11 1.52916e+00 6.92193e-01 72 2013 12 2.35129e+00 1.24459e+00 603 2014 1 3.40300e+00 1.44009e+00 576 2014 2 2.43168e+00 8.84866e-01 704 2014 3 1.80782e+00 7.66635e-01 670 2014 4 8.00685e-01 4.42889e-01 491 2014 5 1.13672e+00 6.01863e-01 501 2014 6 8.49114e-01 4.68687e-01 558 2014 7 9.06583e-01 3.72760e-01 396 2014 8 1.46198e+00 6.08464e-01 504 2014 9 1.00614e+00 4.39967e-01 133 2014 10 1.07513e+00 5.37486e-01 1087 2014 11 2.71170e+00 1.38694e+00 924 2014 12 2.56552e+00 2.25763e+00 610 2015 1 4.29665e+00 1.68351e+00 539 2015 2 6.20159e+00 3.00562e+00 605 2015 3 2.31304e+00 1.23335e+00 487 2015 4 1.14082e+00 1.14841e+00 378 2015 5 1.10602e+00 5.57519e-01 513 2015 6 9.74362e-01 5.18501e-01 414 2015 7 2.23119e+00 5.10824e-01 118 2015 8 1.81008e+00 6.52334e-01 387 2015 9 5.45094e-01 4.45040e-01 264 2015 10 8.33297e-01 5.08469e-01 565 2015 11 2.04458e+00 1.53331e+00 559 2015 12 2.08897e+00 1.04378e+00 257 2016 1 2.66321e+00 1.70790e+00 576 2016 2 4.79423e+00 2.28605e+00 892 2016 3 4.26091e+00 2.59430e+00 448 2016 4 2.03603e+00 1.00288e+00 489 2016 5 1.92627e+00 1.60323e+00 508 2016 6 1.75256e+00 8.72468e-01 320 2016 7 7.86538e-01 4.28170e-01 202 2016 8 4.84771e-01 2.15060e-01 391 2016 9 6.98166e-01 3.60087e-01 708 2016 10 1.22763e+00 1.29576e+00 501 2016 11 1.52215e+00 7.75464e-01 668 2016 12 9.59848e-01 6.45041e-01 803 2017 1 2.18930e+00 1.72453e+00 823 2017 2 2.15494e+00 9.62452e-01 1166 2017 3 1.70397e+00 8.48724e-01 837 2017 4 1.78597e+00 7.56963e-01 547 2017 5 3.51765e+00 1.57437e+00 375 2017 6 1.55468e+00 4.63323e-01 177 2017 7 9.85666e-01 4.23240e-01 192 2017 8 9.96902e-01 5.79435e-01 301 2017 9 8.94910e-01 7.64680e-01 610 2017 10 1.83423e+00 1.42036e+00 515 2017 11 1.63692e+00 9.25649e-01 1030 2017 12 1.72254e+00 8.43281e-01 887 2018 1 3.20165e+00 1.77624e+00 667 2018 2 3.26157e+00 1.42477e+00 591 2018 3 5.06283e+00 1.61083e+00 992 2018 4 2.05344e+00 8.87371e-01 737 2018 5 1.16244e+00 4.79316e-01 355 2018 6 1.01819e+00 3.35808e-01 397 2018 7 1.10076e+00 6.61811e-01 330 2018 8 5.82495e-01 3.39656e-01 317 2018 9 5.92244e-01 2.85670e-01 438 2018 10 4.09486e-01 3.77590e-01 806 2018 11 8.65582e-01 4.27356e-01 482 2018 12 2.54416e+00 2.52776e+00 536 2019 1 4.19711e+00 2.28149e+00 769 2019 2 5.20118e+00 4.04559e+00 604 2019 3 1.98009e+00 1.30528e+00 850 2019 4 3.39544e+00 1.31351e+00 420 2019 5 1.36472e+00 5.19554e-01 601 2019 6 8.41806e-01 3.80364e-01 437 2019 7 1.41155e+00 4.55219e-01 512 2019 8 1.14064e+00 7.29340e-01 138 2019 9 8.45292e-01 5.01396e-01 384 2019 10 1.15119e+00 1.14308e+00 683 2019 11 1.40055e+00 7.56537e-01 539 2019 12 3.37806e+00 2.46078e+00 241 2020 1 3.89002e+00 2.21768e+00 636 2020 2 3.29394e+00 2.11542e+00 576 2020 3 1.80589e+00 1.87094e+00 514 2020 4 2.20741e+00 1.71075e+00 256 2020 5 1.39724e+00 7.07078e-01 741 2020 6 7.78106e-01 4.51110e-01 384 2020 7 1.53422e+00 5.98967e-01 192 2020 8 1.32614e+00 3.48232e-01 256 2020 9 1.57234e+00 4.51421e-01 158 2020 10 9.55729e-01 7.06289e-01 477 2020 11 2.01002e+00 1.43467e+00 631 2020 12 1.14227e+00 7.23775e-01 626 2021 1 2.48278e+00 2.16702e+00 592 2021 2 5.20410e+00 1.20529e+00 595 2021 3 2.73599e+00 1.08166e+00 596 2021 4 2.29703e+00 1.06055e+00 677 2021 5 1.78367e+00 5.64176e-01 702 2021 6 1.82867e+00 6.78325e-01 201 2021 7 1.22347e+00 4.51489e-01 227 2021 8 1.06303e+00 1.07620e+00 350 2021 9 5.46144e-01 2.42915e-01 395 2021 10 7.67317e-01 3.56757e-01 690 2021 11 1.38003e+00 9.73389e-01 840 2021 12 2.07507e+00 1.18637e+00 925 2022 1 3.37330e+00 1.79098e+00 740 2022 2 2.63664e+00 1.80966e+00 1333 2022 3 2.04385e+00 1.27761e+00 831 2022 4 nan nan 0 2022 5 9.08664e-01 3.54472e-01 641 2022 6 5.39388e-01 1.69289e-01 193 2022 7 1.20553e+00 4.25315e-01 303 2022 8 7.97911e-01 3.23322e-01 227 2022 9 1.03787e+00 9.97144e-01 446 2022 10 1.13925e+00 5.66991e-01 878 2022 11 1.94668e+00 7.78203e-01 512 2022 12 1.44313e+00 3.81549e-01 719 2023 1 1.73875e+00 8.48207e-01 832 2023 2 2.67381e+00 1.77794e+00 1035 2023 3 2.42223e+00 1.51588e+00 859 2023 4 1.19975e+00 4.22372e-01 342 2023 5 1.34367e+00 5.42714e-01 486 2023 6 8.17530e-01 3.50572e-01 295 2023 7 1.22754e+00 3.37789e-01 256 2023 8 1.19900e+00 5.07629e-01 384 2023 9 1.09017e+00 7.40592e-01 621 2023 10 6.29477e-01 1.45264e+00 523 2023 11 1.20459e+00 8.53024e-01 749 2023 12 3.63708e+00 1.86681e+00 244 2024 1 7.47338e+00 1.35998e+00 218 2024 2 4.47003e+00 2.20938e+00 673 2024 3 2.35966e+00 1.33204e+00 388 2024 4 nan nan 0