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 2.10130e+00 7.39053e+00 291 2002 8 2.94532e+00 4.00716e+00 405 2002 9 5.67256e-01 8.73751e-01 406 2002 10 6.40545e-01 9.57543e-01 548 2002 11 5.56917e-01 8.14153e-01 289 2002 12 1.03744e+00 1.07266e+00 533 2003 1 4.71862e+00 2.41973e+00 727 2003 2 3.07090e+00 2.21481e+00 559 2003 3 2.87202e+00 2.66397e+00 482 2003 4 9.03643e-01 2.15965e+00 406 2003 5 8.18617e-01 1.12512e+00 251 2003 6 2.12160e-01 3.58054e-01 159 2003 7 7.40325e-01 1.10081e+00 343 2003 8 2.18532e+00 3.10358e+00 250 2003 9 1.33657e+00 2.23922e+00 483 2003 10 4.80594e-01 1.11575e+00 495 2003 11 2.54172e-01 7.85812e-01 551 2003 12 8.24478e-01 1.34312e+00 547 2004 1 9.48757e+00 3.10809e+00 849 2004 2 5.97177e+00 4.01327e+00 704 2004 3 2.65067e+00 3.54431e+00 512 2004 4 3.04160e-01 5.24370e-01 260 2004 5 1.79850e+00 1.58832e+00 133 2004 6 7.27271e-01 1.55243e+00 224 2004 7 1.78181e+00 4.32284e-01 64 2004 8 5.41355e-01 1.01000e+00 352 2004 9 1.23407e+00 2.21511e+00 331 2004 10 7.61392e-01 1.33759e+00 481 2004 11 6.84755e-01 9.34930e-01 664 2004 12 1.75795e+00 1.24249e+00 339 2005 1 7.52458e-02 2.37641e-01 486 2005 2 1.11284e+00 1.06011e+00 361 2005 3 2.78228e+00 2.32636e+00 550 2005 4 1.59255e-01 2.47890e-01 492 2005 5 1.43334e+00 2.84984e+00 274 2005 6 5.53669e-01 5.78229e-01 172 2005 7 5.47242e-02 1.33098e-01 155 2005 8 1.72667e+00 1.01545e+00 175 2005 9 3.97599e-01 8.31892e-01 528 2005 10 1.42445e+00 2.22167e+00 330 2005 11 5.08556e-01 5.32955e-01 429 2005 12 1.99916e+00 2.04640e+00 547 2006 1 2.29964e+00 2.18508e+00 498 2006 2 3.06970e+00 2.38250e+00 529 2006 3 3.42800e+00 1.58079e+00 573 2006 4 3.39990e+00 2.96730e+00 414 2006 5 3.41913e+00 3.42022e+00 94 2006 6 8.16116e-01 3.48688e-01 104 2006 7 2.21843e-14 2.21797e-14 4 2006 8 1.81753e+00 3.14233e+00 382 2006 9 1.01894e-01 2.59275e-01 344 2006 10 5.09911e-01 9.11064e-01 547 2006 11 4.66275e-01 5.64948e-01 264 2006 12 1.54569e+00 9.80475e-01 508 2007 1 2.00171e+00 1.52442e+00 434 2007 2 7.27706e+00 3.89556e+00 600 2007 3 3.44195e+00 3.17714e+00 525 2007 4 3.34168e-02 6.24115e-02 290 2007 5 7.65079e-02 1.41360e-01 248 2007 6 7.39034e-01 1.25000e+00 67 2007 7 3.23719e+00 3.67581e+00 244 2007 8 7.15906e-01 1.25393e+00 393 2007 9 3.19212e-01 7.22448e-01 553 2007 10 6.06661e-02 1.27336e-01 399 2007 11 5.91907e-01 7.35176e-01 470 2007 12 8.24898e-01 1.06533e+00 293 2008 1 2.20582e+00 2.24790e+00 483 2008 2 5.00362e+00 2.61457e+00 387 2008 3 2.23272e+00 1.67127e+00 562 2008 4 1.44294e+00 2.13428e+00 497 2008 5 3.03527e-01 4.73728e-01 98 2008 6 1.53421e+00 1.65284e+00 220 2008 7 3.48581e-01 4.18554e-01 166 2008 8 1.22047e+00 1.38779e+00 357 2008 9 1.91809e+00 2.23116e+00 467 2008 10 3.25817e-01 7.79804e-01 512 2008 11 6.93123e-01 6.17846e-01 508 2008 12 1.76354e+00 1.66564e+00 382 2009 1 1.01928e+01 3.60097e+00 679 2009 2 1.10868e+01 4.13264e+00 558 2009 3 6.28805e+00 4.02849e+00 513 2009 4 6.74961e-01 7.73743e-01 360 2009 5 5.61022e-02 9.85632e-02 123 2009 6 2.10931e+00 3.12110e+00 128 2009 7 1.62561e+00 2.24930e+00 176 2009 8 7.63042e-01 1.06507e+00 221 2009 9 6.27920e-02 9.92430e-02 234 2009 10 1.86402e+00 2.16113e+00 378 2009 11 3.76477e-01 4.16771e-01 421 2009 12 1.05889e+00 1.10897e+00 459 2010 1 4.69757e+00 2.66566e+00 539 2010 2 3.32519e+00 1.90950e+00 315 2010 3 6.42620e-02 1.21615e-01 619 2010 4 1.43238e-02 2.66127e-02 392 2010 5 6.53039e-01 8.56898e-01 315 2010 6 1.21045e+00 3.35858e+00 210 2010 7 1.70928e+00 1.52841e+00 319 2010 8 1.10171e+00 1.92870e+00 393 2010 9 8.13047e-01 1.41160e+00 455 2010 10 2.43755e-01 3.14531e-01 633 2010 11 4.53906e-01 7.94499e-01 454 2010 12 4.98037e-01 4.60963e-01 288 2011 1 2.35840e+00 2.40349e+00 324 2011 2 7.05517e+00 3.19888e+00 402 2011 3 2.14511e+00 2.31891e+00 541 2011 4 1.16369e+00 1.85732e+00 238 2011 5 1.40651e-03 2.07462e-03 133 2011 6 4.05623e-01 1.27086e+00 112 2011 7 1.33518e+00 1.53200e+00 277 2011 8 5.26584e+00 6.02449e+00 536 2011 9 9.49931e-01 1.77868e+00 331 2011 10 1.09537e-01 1.20966e-01 253 2011 11 3.97317e-01 6.10060e-01 454 2011 12 9.74558e-01 1.16476e+00 499 2012 1 2.83545e+00 2.21731e+00 512 2012 2 4.04074e+00 1.42556e+00 648 2012 3 4.14930e-01 4.79838e-01 659 2012 4 3.52572e+00 4.86135e+00 291 2012 5 2.47940e+00 2.89236e+00 223 2012 6 4.58713e-01 6.07739e-01 232 2012 7 1.30836e+00 1.51641e+00 494 2012 8 1.12904e-01 1.32068e-01 338 2012 9 1.29981e+00 2.79495e+00 541 2012 10 3.60069e-01 4.07348e-01 365 2012 11 1.22461e-01 2.01955e-01 527 2012 12 2.58099e+00 3.44467e+00 388 2013 1 1.93206e+00 1.19053e+00 492 2013 2 1.48024e+00 1.98092e+00 474 2013 3 1.82054e-04 3.54349e-04 123 2013 4 1.32956e+00 1.29292e+00 720 2013 5 1.47511e+00 6.80375e-01 255 2013 6 1.09768e-01 1.88447e-01 190 2013 7 1.65483e+00 2.26595e+00 239 2013 8 2.78679e-01 5.78434e-01 269 2013 9 2.52131e+00 3.16196e+00 879 2013 10 1.11914e+00 1.27074e+00 389 2013 11 4.04269e-01 7.84128e-01 827 2013 12 1.80029e+00 1.72186e+00 430 2014 1 2.44031e+00 3.01061e+00 464 2014 2 3.59867e+00 3.47811e+00 350 2014 3 6.44686e+00 3.48635e+00 468 2014 4 1.09876e+00 7.27907e-01 404 2014 5 4.98580e-01 1.21197e+00 182 2014 6 1.81012e+00 1.72086e+00 321 2014 7 1.51599e+00 1.44059e+00 116 2014 8 5.91405e-01 7.33985e-01 566 2014 9 7.38491e-01 1.26828e+00 554 2014 10 4.34515e-01 5.99838e-01 473 2014 11 1.03446e+00 1.30044e+00 336 2014 12 1.72064e+00 9.43949e-01 182 2015 1 3.58826e+00 2.35269e+00 444 2015 2 1.53140e+00 2.19013e+00 222 2015 3 5.32593e+00 3.46870e+00 622 2015 4 6.44761e+00 4.60245e+00 466 2015 5 7.62171e-01 1.17121e+00 177 2015 6 2.36804e+00 2.36472e+00 276 2015 7 2.62801e-02 3.58673e-02 159 2015 8 1.06615e+00 1.23454e+00 422 2015 9 5.43855e-01 1.00647e+00 642 2015 10 2.48081e-01 2.91079e-01 590 2015 11 2.67116e-01 3.07530e-01 766 2015 12 5.25794e-01 8.11669e-01 455 2016 1 8.03521e-01 1.27941e+00 468 2016 2 3.93602e-01 5.25675e-01 514 2016 3 2.21053e+00 2.41268e+00 595 2016 4 1.45113e+00 1.64782e+00 621 2016 5 2.41488e-01 2.13989e-01 167 2016 6 2.86255e+00 2.74830e+00 278 2016 7 1.52484e+00 1.08820e+00 283 2016 8 1.00926e+00 1.49011e+00 704 2016 9 1.36966e+00 1.92137e+00 288 2016 10 2.42527e-01 2.37913e-01 508 2016 11 1.71369e-01 2.92103e-01 764 2016 12 4.60935e-01 1.03010e+00 457 2017 1 2.27079e+00 2.13410e+00 576 2017 2 2.44732e+00 2.26739e+00 346 2017 3 3.19163e+00 2.40349e+00 732 2017 4 2.64866e+00 4.12651e+00 476 2017 5 6.59628e-01 7.97996e-01 135 2017 6 1.67647e-01 3.75176e-01 187 2017 7 4.49370e+00 6.88469e+00 337 2017 8 6.83324e-01 1.10067e+00 462 2017 9 4.66333e-01 5.59986e-01 325 2017 10 3.00540e-02 6.98929e-02 661 2017 11 4.35029e-01 9.00327e-01 583 2017 12 3.65811e+00 2.41435e+00 413 2018 1 3.90656e+00 2.94270e+00 519 2018 2 3.66759e+00 2.42882e+00 347 2018 3 9.62529e-01 1.04029e+00 311 2018 4 1.89457e+00 1.29174e+00 454 2018 5 2.19020e+00 3.12055e+00 160 2018 6 7.91109e-01 9.34212e-01 339 2018 7 1.16058e+00 1.62534e+00 455 2018 8 2.19398e+00 3.99264e+00 374 2018 9 4.66565e-01 1.20830e+00 180 2018 10 3.88734e-01 3.65664e-01 459 2018 11 5.67332e-01 4.34400e-01 542 2018 12 1.95325e+00 1.14785e+00 947 2019 1 5.30634e+00 2.79508e+00 618 2019 2 5.74059e+00 3.36120e+00 426 2019 3 9.82600e+00 3.32124e+00 588 2019 4 2.20144e+00 2.13158e+00 419 2019 5 3.23922e-01 4.29492e-01 135 2019 6 8.00068e-01 1.08988e+00 217 2019 7 2.98827e-01 5.39103e-01 407 2019 8 4.85374e-01 7.24172e-01 251 2019 9 1.07134e-01 1.46087e-01 374 2019 10 8.74678e-02 1.01912e-01 268 2019 11 1.43471e-01 2.23486e-01 620 2019 12 2.46527e+00 1.25378e+00 407 2020 1 3.62398e+00 2.92783e+00 620 2020 2 4.08930e+00 3.70557e+00 538 2020 3 1.86554e+00 1.24038e+00 507 2020 4 7.13695e-02 1.26891e-01 236 2020 5 1.51760e+00 2.73402e+00 459 2020 6 1.16293e+00 1.13406e+00 215 2020 7 2.11097e+00 3.48400e+00 495 2020 8 4.13210e-01 2.06839e-01 159 2020 9 1.73152e-01 2.56796e+00 276 2020 10 5.60865e-01 9.34781e-01 504 2020 11 5.13247e-01 1.06564e+00 336 2020 12 6.41424e-02 7.27156e-02 291 2021 1 9.72591e-01 1.02054e+00 478 2021 2 1.57300e+00 2.41257e+00 287 2021 3 1.92761e+00 1.60455e+00 926 2021 4 5.34440e+00 2.47158e+00 465 2021 5 2.23793e-01 4.23894e-01 294 2021 6 3.61188e+00 5.06746e+00 205 2021 7 8.14579e-02 4.81070e-02 48 2021 8 1.39187e+00 1.89086e+00 107 2021 9 6.01866e-01 1.13827e+00 349 2021 10 5.69328e-01 7.74607e-01 434 2021 11 8.17845e-02 1.19118e-01 703 2021 12 1.53672e-01 2.05149e-01 256 2022 1 2.81762e+00 4.15067e+00 506 2022 2 3.07655e+00 3.31456e+00 641 2022 3 4.48548e+00 5.04963e+00 502 2022 4 1.03159e+00 4.46790e+00 220 2022 5 5.75829e-01 8.89463e-01 170 2022 6 2.96118e+00 2.19914e+00 335 2022 7 1.79088e+00 1.49414e+00 489 2022 8 2.17832e+00 2.57235e+00 507 2022 9 2.93409e-01 5.74665e-01 293 2022 10 2.19760e-01 2.68654e-01 804 2022 11 1.09756e+00 8.72536e-01 866 2022 12 4.37793e-01 7.39540e-01 518 2023 1 5.55388e-01 1.86155e+00 282 2023 2 5.20791e+00 4.55620e+00 366 2023 3 3.34619e+00 2.48481e+00 400 2023 4 2.36346e+00 2.33250e+00 530 2023 5 6.27987e-01 1.01602e+00 240 2023 6 2.96075e+00 2.77996e+00 271 2023 7 1.99874e+00 7.32726e+00 315 2023 8 7.04566e-01 1.49859e+00 472 2023 9 6.83805e-01 9.70457e-01 402 2023 10 4.43262e-01 7.95866e-01 523 2023 11 9.17306e-02 2.44201e-01 523 2023 12 4.38049e-01 1.02379e+00 364 2024 1 1.21806e+00 2.09898e+00 463 2024 2 1.28486e+00 1.61266e+00 923 2024 3 5.96484e-01 6.31491e-01 499 2024 4 nan nan 0