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 1.51112e+01 1.87482e+01 269 2002 8 8.59257e+00 1.21543e+01 474 2002 9 1.53051e+01 1.86000e+01 525 2002 10 3.74385e+00 1.40944e+00 664 2002 11 8.19887e+00 1.32603e+01 505 2002 12 2.42927e+00 5.89434e-01 650 2003 1 1.51351e+00 2.85588e-01 780 2003 2 2.23051e+00 5.80687e-01 668 2003 3 3.28763e+00 1.76909e+00 704 2003 4 1.14573e+01 1.22546e+01 569 2003 5 6.88000e+00 6.21043e+00 321 2003 6 1.87549e+01 1.77698e+01 317 2003 7 1.20941e+01 1.06363e+01 577 2003 8 5.80531e+00 2.36384e+00 270 2003 9 9.71974e+00 1.50189e+01 676 2003 10 1.29443e+01 1.43614e+01 503 2003 11 1.27007e+01 1.98383e+01 619 2003 12 3.15543e+00 7.46159e-01 655 2004 1 1.29669e+00 3.91744e-01 892 2004 2 1.58401e+00 3.71526e-01 740 2004 3 2.90449e+00 1.35650e+00 577 2004 4 1.93414e+01 1.95411e+01 376 2004 5 3.13132e+00 1.68179e+00 144 2004 6 4.64676e+00 2.59157e+00 325 2004 7 3.77501e+00 5.93791e-01 75 2004 8 5.93708e+00 4.36460e+00 566 2004 9 6.77840e+00 9.05703e+00 521 2004 10 5.05893e+00 2.27868e+00 576 2004 11 3.06001e+00 1.43518e+00 842 2004 12 2.14025e+00 4.48790e-01 407 2005 1 2.58583e+00 5.98390e-01 663 2005 2 2.25055e+00 5.00206e-01 570 2005 3 3.22449e+00 1.49860e+00 682 2005 4 1.38594e+01 1.10442e+01 651 2005 5 1.07620e+01 5.74949e+00 306 2005 6 1.94730e+01 2.13873e+01 352 2005 7 1.50879e+01 1.23397e+01 358 2005 8 5.24938e+00 1.04480e+01 499 2005 9 1.13383e+01 1.36323e+01 795 2005 10 9.29685e+00 1.81543e+01 357 2005 11 8.13391e+00 1.02119e+01 598 2005 12 2.49437e+00 5.05507e-01 692 2006 1 2.45221e+00 2.84094e+00 762 2006 2 2.03264e+00 3.24121e-01 640 2006 3 2.47128e+00 8.44329e-01 706 2006 4 3.77734e+00 2.78532e+00 511 2006 5 4.61793e+00 4.07973e+00 192 2006 6 6.33214e+00 1.03200e+00 192 2006 7 2.50555e+01 2.01266e+01 229 2006 8 6.07994e+00 4.80114e+00 626 2006 9 1.65358e+01 1.01193e+01 488 2006 10 4.35748e+00 1.62763e+00 760 2006 11 3.24779e+00 1.15634e+00 454 2006 12 2.98000e+00 8.24244e-01 574 2007 1 2.11002e+00 7.98232e-01 466 2007 2 1.42350e+00 5.53992e-01 795 2007 3 4.51859e+00 5.46399e+00 698 2007 4 8.95321e+00 2.49974e+00 343 2007 5 1.67555e+01 1.99551e+01 425 2007 6 1.85019e+01 1.66875e+01 148 2007 7 4.33907e+00 4.43202e+00 504 2007 8 8.47784e+00 5.02652e+00 459 2007 9 1.35269e+01 1.56869e+01 821 2007 10 1.14608e+01 1.49592e+01 520 2007 11 3.52436e+00 7.76982e-01 550 2007 12 2.26209e+00 8.92170e-01 384 2008 1 2.02225e+00 5.96591e-01 576 2008 2 1.72639e+00 2.97402e-01 448 2008 3 3.48641e+00 2.17894e+00 640 2008 4 1.55900e+01 1.98202e+01 682 2008 5 1.36944e+01 1.33247e+01 138 2008 6 3.08265e+00 2.18945e+00 384 2008 7 4.89287e+00 2.35161e+00 297 2008 8 1.45946e+01 1.73465e+01 703 2008 9 8.20597e+00 1.17791e+01 779 2008 10 7.73798e+00 1.22328e+01 729 2008 11 3.67843e+00 1.40377e+00 578 2008 12 2.41505e+00 8.92853e-01 512 2009 1 1.05175e+00 3.35595e-01 1035 2009 2 1.08952e+00 3.35996e-01 790 2009 3 3.37894e+00 4.87812e+00 700 2009 4 3.05349e+01 2.75966e+01 465 2009 5 9.31938e+00 1.26910e+01 227 2009 6 3.90691e+00 1.97473e+00 231 2009 7 8.09081e+00 5.02889e+00 409 2009 8 1.06406e+01 1.42574e+01 382 2009 9 9.22297e+00 6.70374e+00 454 2009 10 3.05873e+00 1.97681e+00 531 2009 11 4.21078e+00 3.87811e+00 514 2009 12 3.69448e+00 2.89325e+00 457 2010 1 1.73715e+00 4.75938e-01 758 2010 2 2.03712e+00 3.73277e-01 505 2010 3 4.68286e+00 2.42096e+00 668 2010 4 1.54834e+01 1.87277e+01 640 2010 5 1.35085e+01 2.01697e+01 639 2010 6 5.58722e+00 4.89091e+00 423 2010 7 5.71393e+00 4.16501e+00 475 2010 8 7.50546e+00 4.80146e+00 570 2010 9 7.19686e+00 5.04364e+00 737 2010 10 5.82110e+00 2.68698e+00 705 2010 11 3.99503e+00 1.60977e+00 512 2010 12 2.84775e+00 4.59266e-01 384 2011 1 2.04791e+00 4.43866e-01 559 2011 2 1.46345e+00 4.21415e-01 499 2011 3 3.85858e+00 2.02211e+00 607 2011 4 9.33163e+00 6.78083e+00 287 2011 5 1.20128e+01 4.13454e+00 256 2011 6 1.12459e+01 1.26383e+01 254 2011 7 8.62484e+00 6.60764e+00 509 2011 8 5.64401e+00 9.30499e+00 684 2011 9 6.57138e+00 5.20652e+00 373 2011 10 5.39815e+00 1.85045e+00 411 2011 11 8.22920e+00 5.97953e+00 640 2011 12 3.83952e+00 1.71186e+00 546 2012 1 2.39063e+00 1.14902e+00 518 2012 2 1.90878e+00 2.38875e-01 644 2012 3 4.54278e+00 5.19278e+00 815 2012 4 3.36511e+00 3.76022e+00 401 2012 5 6.30156e+00 4.89046e+00 320 2012 6 1.12667e+01 9.72183e+00 512 2012 7 5.49219e+00 2.81995e+00 735 2012 8 6.98596e+00 3.20442e+00 614 2012 9 1.32433e+01 1.82573e+01 806 2012 10 1.30851e+01 1.77363e+01 442 2012 11 3.32618e+00 5.28705e-01 603 2012 12 2.34421e+00 5.84765e-01 344 2013 1 2.22496e+00 2.54451e-01 538 2013 2 1.93092e+00 3.66659e-01 641 2013 3 2.53923e+00 4.19881e-01 266 2013 4 3.79753e+00 1.63664e+00 898 2013 5 3.29347e+00 6.72600e-01 332 2013 6 1.07556e+01 6.67268e+00 319 2013 7 5.47771e+00 3.10940e+00 337 2013 8 1.87388e+01 2.42757e+01 662 2013 9 9.65698e+00 1.13233e+01 1272 2013 10 4.11966e+00 4.37806e+00 541 2013 11 7.14497e+00 6.41496e+00 846 2013 12 2.12653e+00 5.45588e-01 573 2014 1 2.18292e+00 5.82310e-01 512 2014 2 1.76420e+00 5.51991e-01 474 2014 3 1.83019e+00 6.28978e-01 512 2014 4 4.89255e+00 8.50915e+00 483 2014 5 1.11451e+01 7.46807e+00 348 2014 6 1.23106e+01 2.05373e+01 554 2014 7 1.27487e+01 1.97233e+01 383 2014 8 6.59535e+00 1.27500e+01 817 2014 9 8.39863e+00 5.43854e+00 768 2014 10 5.40968e+00 3.94169e+00 512 2014 11 2.91488e+00 7.05679e-01 325 2014 12 3.23523e+00 1.19393e+00 197 2015 1 1.98368e+00 4.43687e-01 534 2015 2 2.21299e+00 7.94280e-01 346 2015 3 2.09983e+00 8.99915e-01 740 2015 4 1.95201e+00 7.87621e-01 562 2015 5 8.57833e+00 9.30911e+00 439 2015 6 2.89806e+00 8.93495e-01 352 2015 7 1.46686e+01 1.98355e+01 312 2015 8 4.49502e+00 2.50702e+00 573 2015 9 6.59901e+00 7.11573e+00 894 2015 10 6.04600e+00 5.36589e+00 676 2015 11 4.62918e+00 2.16973e+00 828 2015 12 3.53443e+00 1.00662e+00 510 2016 1 2.43263e+00 3.77929e-01 607 2016 2 2.46720e+00 6.41728e-01 572 2016 3 2.16798e+00 4.89066e-01 608 2016 4 4.63281e+00 6.11334e+00 721 2016 5 4.24410e+00 1.27573e+00 264 2016 6 5.20626e+00 5.27012e+00 505 2016 7 4.38755e+00 2.66879e+00 403 2016 8 5.37752e+00 4.80721e+00 891 2016 9 1.85338e+01 1.88781e+01 544 2016 10 8.17054e+00 1.35971e+01 565 2016 11 6.93599e+00 4.34144e+00 779 2016 12 1.16144e+01 1.02988e+01 627 2017 1 2.44998e+00 1.00761e+00 640 2017 2 2.77876e+00 2.03677e+00 493 2017 3 2.14563e+00 6.00888e-01 844 2017 4 4.85054e+00 3.27486e+00 471 2017 5 2.83500e+01 3.42619e+01 223 2017 6 6.24359e+00 1.84948e+00 221 2017 7 8.19969e+00 1.49052e+01 496 2017 8 9.52559e+00 6.99864e+00 588 2017 9 1.85134e+01 2.10279e+01 642 2017 10 1.35948e+01 8.31175e+00 760 2017 11 6.50713e+00 6.56517e+00 765 2017 12 1.85799e+00 2.39411e-01 513 2018 1 1.75759e+00 4.61289e-01 640 2018 2 2.10275e+00 8.61195e-01 459 2018 3 2.35384e+00 6.74412e-01 448 2018 4 3.40157e+00 1.44197e+00 575 2018 5 1.07198e+01 1.03093e+01 459 2018 6 4.71874e+00 2.95572e+00 544 2018 7 7.95370e+00 1.11848e+01 677 2018 8 1.14149e+01 1.55206e+01 613 2018 9 7.49422e+00 5.00718e+00 338 2018 10 7.34434e+00 9.58988e+00 574 2018 11 3.34292e+00 7.57787e-01 626 2018 12 2.58385e+00 6.98174e-01 997 2019 1 1.79827e+00 6.59562e-01 668 2019 2 1.91953e+00 6.81019e-01 455 2019 3 1.42208e+00 6.29019e-01 876 2019 4 4.07830e+00 1.83368e+00 385 2019 5 8.45113e+00 5.90068e+00 169 2019 6 1.63409e+01 1.50885e+01 385 2019 7 8.98209e+00 5.15705e+00 584 2019 8 1.74499e+01 2.01828e+01 495 2019 9 1.62692e+01 1.49890e+01 774 2019 10 7.99957e+00 3.45955e+00 337 2019 11 4.64975e+00 2.20561e+00 704 2019 12 2.16685e+00 1.05706e+00 490 2020 1 2.14911e+00 7.34292e-01 705 2020 2 2.37020e+00 1.03249e+00 576 2020 3 2.49808e+00 5.73994e-01 661 2020 4 9.37301e+00 7.33850e+00 292 2020 5 9.13320e+00 1.29341e+01 687 2020 6 6.37796e+00 5.20994e+00 317 2020 7 3.75826e+00 1.79495e+00 582 2020 8 4.71800e+00 1.44483e+00 192 2020 9 1.77558e+01 1.75260e+01 519 2020 10 7.95243e+00 8.33238e+00 736 2020 11 5.13853e+00 4.20043e+00 463 2020 12 3.29114e+00 1.08674e+00 384 2021 1 3.03356e+00 7.87425e-01 494 2021 2 2.00627e+00 3.34673e-01 362 2021 3 4.30104e+00 4.62931e+00 1132 2021 4 2.17292e+00 7.41058e-01 564 2021 5 9.19173e+00 4.16240e+00 388 2021 6 6.70129e+00 5.40023e+00 426 2021 7 1.37576e+01 1.07054e+01 192 2021 8 1.56191e+01 1.60421e+01 322 2021 9 1.62463e+01 1.88464e+01 609 2021 10 1.55128e+01 1.91419e+01 572 2021 11 7.53276e+00 8.82581e+00 873 2021 12 6.58952e+00 5.82811e+00 292 2022 1 2.25910e+00 7.75478e-01 589 2022 2 1.98245e+00 6.24953e-01 832 2022 3 3.10070e+00 2.19826e+00 640 2022 4 4.80787e+00 8.69853e-01 256 2022 5 1.21686e+01 1.20537e+01 252 2022 6 5.31820e+00 7.36185e+00 558 2022 7 4.26338e+00 1.78406e+00 742 2022 8 3.60569e+00 2.86862e+00 711 2022 9 2.17911e+01 1.95043e+01 519 2022 10 1.28182e+01 1.57567e+01 879 2022 11 3.13868e+00 1.72053e+00 975 2022 12 3.07326e+00 8.53727e-01 606 2023 1 4.06049e+00 3.17042e+00 318 2023 2 1.57160e+00 6.04829e-01 384 2023 3 2.54520e+00 9.95092e-01 512 2023 4 4.48601e+00 3.50225e+00 531 2023 5 1.14924e+01 8.89196e+00 445 2023 6 2.82531e+00 1.95234e+00 434 2023 7 6.56412e+00 5.53416e+00 519 2023 8 5.93900e+00 3.50844e+00 714 2023 9 6.24341e+00 5.96101e+00 437 2023 10 5.91733e+00 4.65372e+00 748 2023 11 6.52467e+00 4.30794e+00 640 2023 12 4.49181e+00 1.18684e+00 378 2024 1 4.02686e+00 3.42772e+00 466 2024 2 3.59715e+00 2.16914e+00 884 2024 3 3.98055e+00 1.30685e+00 547 2024 4 nan nan 0