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 1.83635e+00 6.34868e-01 215 2002 8 2.59819e+00 9.56980e-01 331 2002 9 1.92420e+00 8.40191e-01 427 2002 10 2.59836e+00 7.24549e-01 558 2002 11 2.18723e+00 9.35911e-01 377 2002 12 2.61937e+00 7.65086e-01 331 2003 1 4.02786e+00 1.17204e+00 680 2003 2 3.58655e+00 1.16725e+00 527 2003 3 3.17890e+00 8.40334e-01 408 2003 4 2.24823e+00 7.98184e-01 396 2003 5 2.49390e+00 4.96656e-01 186 2003 6 2.01225e+00 8.75686e-01 207 2003 7 2.29701e+00 1.27434e+00 329 2003 8 2.15838e+00 3.44727e-01 195 2003 9 2.40669e+00 1.14214e+00 592 2003 10 1.96509e+00 5.94451e-01 439 2003 11 1.53770e+00 6.29849e-01 495 2003 12 2.15311e+00 9.71032e-01 467 2004 1 5.22535e+00 6.17191e-01 718 2004 2 4.24085e+00 1.31262e+00 616 2004 3 3.27717e+00 1.14195e+00 514 2004 4 1.93329e+00 2.20437e+00 207 2004 5 2.56474e+00 7.99374e-01 137 2004 6 2.33891e+00 3.63125e-01 142 2004 7 3.73878e+00 1.05815e-01 64 2004 8 2.29010e+00 1.04327e+00 238 2004 9 2.76724e+00 7.11531e-01 400 2004 10 2.03804e+00 4.04985e-01 454 2004 11 2.44221e+00 5.78371e-01 696 2004 12 2.83742e+00 4.37532e-01 288 2005 1 1.53958e+00 5.40803e-01 301 2005 2 2.36135e+00 8.42297e-01 365 2005 3 3.20663e+00 8.91824e-01 608 2005 4 1.84593e+00 5.99828e-01 559 2005 5 1.79822e+00 7.10384e-01 229 2005 6 2.25816e+00 7.42195e-01 177 2005 7 1.30601e+00 6.95048e-01 239 2005 8 3.14056e+00 4.41916e-01 216 2005 9 2.03810e+00 6.69332e-01 580 2005 10 2.69860e+00 1.28762e+00 338 2005 11 2.39786e+00 5.69163e-01 380 2005 12 2.88748e+00 7.47359e-01 642 2006 1 3.23381e+00 8.58065e-01 450 2006 2 3.01251e+00 1.00162e+00 504 2006 3 3.67103e+00 5.56675e-01 653 2006 4 3.67418e+00 9.52771e-01 338 2006 5 2.65886e+00 8.82520e-01 128 2006 6 2.58804e+00 3.65274e-01 127 2006 7 9.11843e+00 5.10396e+00 17 2006 8 3.18865e+00 9.79453e-01 304 2006 9 1.57870e+00 6.91379e-01 364 2006 10 2.38160e+00 5.91856e-01 546 2006 11 2.07737e+00 9.68609e-01 173 2006 12 3.05260e+00 4.80387e-01 443 2007 1 3.36324e+00 4.91350e-01 493 2007 2 4.49758e+00 1.31578e+00 533 2007 3 3.22190e+00 1.09633e+00 441 2007 4 1.99046e+00 4.19076e-01 233 2007 5 1.65658e+00 5.30008e-01 312 2007 6 3.10675e+00 3.10195e-01 72 2007 7 2.70384e+00 1.05764e+00 190 2007 8 2.36160e+00 7.99501e-01 324 2007 9 1.94382e+00 5.40571e-01 586 2007 10 1.78115e+00 1.88316e-01 394 2007 11 2.30090e+00 7.04681e-01 532 2007 12 2.64646e+00 7.99822e-01 193 2008 1 3.16258e+00 1.04353e+00 362 2008 2 3.66146e+00 7.75092e-01 366 2008 3 3.26073e+00 8.40068e-01 436 2008 4 2.16176e+00 1.16236e+00 573 2008 5 1.67612e+00 1.22094e+00 94 2008 6 2.48198e+00 7.98769e-01 171 2008 7 2.50710e+00 3.32201e-01 128 2008 8 2.34124e+00 1.03860e+00 487 2008 9 2.75876e+00 1.04540e+00 611 2008 10 2.19367e+00 8.23715e-01 516 2008 11 2.50297e+00 4.34741e-01 497 2008 12 3.28699e+00 7.98791e-01 312 2009 1 5.31415e+00 7.61721e-01 719 2009 2 5.30289e+00 1.21338e+00 512 2009 3 4.70420e+00 7.35085e-01 440 2009 4 2.23594e+00 9.52349e-01 295 2009 5 2.14027e+00 6.19152e-01 80 2009 6 2.28227e+00 1.89586e-01 118 2009 7 3.06128e+00 1.10410e+00 262 2009 8 2.09127e+00 7.17602e-01 205 2009 9 1.76454e+00 7.72857e-01 356 2009 10 2.61393e+00 5.31435e-01 220 2009 11 2.12648e+00 2.82863e-01 358 2009 12 2.79634e+00 5.61988e-01 519 2010 1 4.10584e+00 9.28050e-01 439 2010 2 3.32268e+00 1.20149e+00 360 2010 3 1.61852e+00 4.16170e-01 540 2010 4 1.51198e+00 2.21550e-01 387 2010 5 2.46640e+00 8.52902e-01 325 2010 6 2.53620e+00 6.88386e-01 206 2010 7 2.96122e+00 5.94693e-01 272 2010 8 2.39052e+00 5.71462e-01 354 2010 9 2.66716e+00 2.37487e+00 390 2010 10 2.30905e+00 5.32080e-01 579 2010 11 2.24172e+00 8.54140e-01 537 2010 12 2.18193e+00 7.30922e-01 376 2011 1 2.90868e+00 1.40474e+00 311 2011 2 4.27312e+00 1.11672e+00 406 2011 3 3.37654e+00 8.18600e-01 480 2011 4 1.80443e+00 4.46867e-01 137 2011 5 1.66428e+00 3.72999e-01 148 2011 6 2.34547e+00 3.85063e-01 108 2011 7 2.70086e+00 8.04763e-01 244 2011 8 3.55159e+00 1.86610e+00 520 2011 9 2.32175e+00 1.05359e+00 293 2011 10 2.30989e+00 5.04794e-01 301 2011 11 2.03932e+00 7.17758e-01 442 2011 12 2.66492e+00 5.54040e-01 512 2012 1 3.56943e+00 9.53036e-01 446 2012 2 3.95992e+00 3.79523e-01 557 2012 3 2.30998e+00 7.00855e-01 637 2012 4 2.82463e+00 1.27486e+00 273 2012 5 1.78691e+00 1.48042e+00 232 2012 6 2.05494e+00 1.16932e+00 270 2012 7 2.43560e+00 7.82544e-01 418 2012 8 2.33536e+00 6.64965e-01 378 2012 9 2.40854e+00 9.36171e-01 423 2012 10 2.44654e+00 4.91644e-01 309 2012 11 1.55803e+00 4.53396e-01 514 2012 12 2.78713e+00 7.30913e-01 256 2013 1 3.21362e+00 7.19423e-01 496 2013 2 2.60598e+00 1.59617e+00 265 2013 3 1.81067e+00 5.77227e-01 57 2013 4 2.70615e+00 4.68453e-01 583 2013 5 2.61970e+00 3.57165e-01 159 2013 6 2.20850e+00 7.63427e-01 172 2013 7 2.98634e+00 8.20807e-01 188 2013 8 2.15285e+00 1.39745e+00 319 2013 9 2.67744e+00 8.84627e-01 818 2013 10 2.28365e+00 7.19903e-01 434 2013 11 2.16688e+00 5.20887e-01 789 2013 12 2.59908e+00 1.14423e+00 511 2014 1 2.89847e+00 9.02334e-01 458 2014 2 2.79600e+00 1.07923e+00 294 2014 3 3.80104e+00 1.09848e+00 408 2014 4 2.83337e+00 4.11881e-01 357 2014 5 2.01199e+00 5.95590e-01 309 2014 6 2.59837e+00 1.21145e+00 355 2014 7 2.48241e+00 4.68011e-01 70 2014 8 2.39679e+00 2.00104e+00 516 2014 9 2.44904e+00 8.68877e-01 715 2014 10 2.21424e+00 6.21274e-01 490 2014 11 2.13807e+00 7.89128e-01 325 2014 12 2.39725e+00 2.67497e-01 185 2015 1 3.51086e+00 1.14530e+00 516 2015 2 2.21899e+00 1.07709e+00 264 2015 3 4.34854e+00 9.24331e-01 629 2015 4 3.69677e+00 5.68684e-01 401 2015 5 2.59673e+00 3.64636e-01 189 2015 6 3.10924e+00 7.97798e-01 236 2015 7 1.91090e+00 5.13182e-01 95 2015 8 2.70318e+00 8.49838e-01 451 2015 9 2.47108e+00 6.60809e-01 603 2015 10 2.30702e+00 4.68699e-01 680 2015 11 2.18758e+00 5.86629e-01 707 2015 12 2.05860e+00 4.41239e-01 280 2016 1 2.01288e+00 8.70794e-01 468 2016 2 2.01227e+00 4.27165e-01 408 2016 3 2.72473e+00 1.00031e+00 419 2016 4 2.37241e+00 7.01199e-01 455 2016 5 2.86581e+00 4.60906e-01 251 2016 6 2.99071e+00 1.55938e+00 202 2016 7 2.66123e+00 1.01294e+00 173 2016 8 2.51558e+00 1.04344e+00 554 2016 9 2.07102e+00 1.04267e+00 375 2016 10 2.16283e+00 4.96184e-01 487 2016 11 2.13274e+00 2.95942e-01 642 2016 12 2.07738e+00 9.07428e-01 461 2017 1 2.75815e+00 1.03855e+00 441 2017 2 3.05727e+00 1.08916e+00 366 2017 3 3.28758e+00 9.43509e-01 609 2017 4 2.71278e+00 1.08255e+00 375 2017 5 2.27230e+00 5.22475e-01 126 2017 6 2.28040e+00 4.50194e-01 175 2017 7 2.92986e+00 5.46334e-01 204 2017 8 2.05447e+00 9.24301e-01 498 2017 9 1.93263e+00 9.71756e-01 390 2017 10 1.84773e+00 4.16542e-01 670 2017 11 2.42277e+00 7.16793e-01 498 2017 12 3.18398e+00 1.02757e+00 285 2018 1 4.08488e+00 9.11478e-01 415 2018 2 3.78850e+00 8.93216e-01 293 2018 3 1.99290e+00 1.03847e+00 268 2018 4 3.35690e+00 6.60893e-01 436 2018 5 1.21909e+00 7.31808e-01 195 2018 6 2.57306e+00 9.18014e-01 345 2018 7 2.67635e+00 6.92802e-01 476 2018 8 2.17843e+00 2.14918e+00 336 2018 9 2.43000e+00 5.42774e-01 175 2018 10 2.43464e+00 4.29579e-01 314 2018 11 2.28692e+00 5.45139e-01 452 2018 12 3.24742e+00 6.80677e-01 893 2019 1 4.20846e+00 7.08469e-01 452 2019 2 4.58006e+00 6.51163e-01 370 2019 3 4.89975e+00 8.10287e-01 493 2019 4 3.44871e+00 6.85634e-01 307 2019 5 2.27365e+00 6.78287e-01 107 2019 6 2.36453e+00 1.08270e+00 248 2019 7 2.35376e+00 6.06787e-01 326 2019 8 2.54715e+00 7.83703e-01 305 2019 9 1.79002e+00 4.24327e-01 544 2019 10 1.99672e+00 2.89106e-01 200 2019 11 2.08786e+00 4.25017e-01 467 2019 12 3.42577e+00 5.03863e-01 401 2020 1 3.63309e+00 1.01605e+00 508 2020 2 3.59024e+00 9.59854e-01 525 2020 3 2.51452e+00 5.55699e-01 513 2020 4 1.47396e+00 2.21096e-01 148 2020 5 2.52028e+00 6.59811e-01 322 2020 6 2.59689e+00 6.20812e-01 231 2020 7 3.02451e+00 8.06992e-01 408 2020 8 2.69001e+00 1.72082e-01 182 2020 9 1.72793e+00 9.35376e-01 371 2020 10 2.35500e+00 4.85417e-01 359 2020 11 2.05015e+00 6.94420e-01 412 2020 12 1.75298e+00 4.59947e-01 256 2021 1 2.72572e+00 6.07259e-01 401 2021 2 3.03216e+00 9.16292e-01 334 2021 3 3.15728e+00 5.84652e-01 895 2021 4 3.73322e+00 6.87357e-01 452 2021 5 2.14010e+00 4.91501e-01 231 2021 6 1.70933e+00 1.40890e+00 148 2021 7 2.75091e+00 1.16495e+00 102 2021 8 1.83708e+00 5.45150e-01 127 2021 9 1.76152e+00 6.50789e-01 302 2021 10 2.15708e+00 6.97160e-01 593 2021 11 1.84888e+00 3.10948e-01 780 2021 12 2.25757e+00 3.33443e-01 176 2022 1 3.21354e+00 1.31329e+00 405 2022 2 3.35186e+00 1.17128e+00 570 2022 3 4.13027e+00 8.17306e-01 346 2022 4 2.32450e+00 6.16261e-01 230 2022 5 1.93332e+00 1.03593e+00 252 2022 6 3.25186e+00 7.87776e-01 243 2022 7 3.38910e+00 9.68075e-01 460 2022 8 3.24397e+00 7.50789e-01 459 2022 9 1.94045e+00 6.23739e-01 370 2022 10 2.14858e+00 4.29727e-01 809 2022 11 2.97651e+00 4.82877e-01 897 2022 12 1.76971e+00 6.44489e-01 559 2023 1 2.12045e+00 7.21485e-01 320 2023 2 3.67968e+00 9.21381e-01 350 2023 3 2.99053e+00 9.37007e-01 456 2023 4 3.49484e+00 5.36683e-01 452 2023 5 2.40320e+00 7.62163e-01 245 2023 6 3.41504e+00 8.04773e-01 250 2023 7 3.14130e+00 5.82763e-01 304 2023 8 2.36096e+00 1.88078e+00 481 2023 9 2.50828e+00 6.85885e-01 431 2023 10 2.11238e+00 4.99950e-01 502 2023 11 1.85417e+00 4.59576e-01 575 2023 12 1.87683e+00 8.19936e-01 335 2024 1 2.29085e+00 1.02922e+00 424 2024 2 2.53979e+00 8.64759e-01 927 2024 3 2.43965e+00 4.57430e-01 390 2024 4 nan nan 0