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 2.52608e-01 9.11275e-02 203 2002 8 1.70513e-01 1.19527e-01 326 2002 9 4.77096e-01 3.05794e-01 218 2002 10 3.44096e-01 1.02847e-01 778 2002 11 4.98866e-01 2.76286e-01 881 2002 12 4.66275e-01 2.46952e-01 613 2003 1 7.39423e-01 3.63096e-01 1031 2003 2 5.24393e-01 1.55072e-01 594 2003 3 5.48229e-02 9.08711e-03 32 2003 4 2.91220e+00 8.20678e-01 24 2003 5 1.71699e+00 2.37221e+00 15 2003 6 1.03637e+00 6.35410e-01 62 2003 7 1.41578e+00 1.19369e+00 67 2003 8 3.76151e-01 3.23378e-01 169 2003 9 3.55486e-01 3.04427e-01 291 2003 10 4.31173e-01 4.78679e-01 710 2003 11 3.67404e-01 2.38593e-01 1117 2003 12 5.52426e-01 2.41160e-01 896 2004 1 4.10091e-01 2.47805e-01 896 2004 2 6.33572e-01 3.85252e-01 147 2004 3 9.00999e-01 7.26911e-01 389 2004 4 6.60311e-01 3.59254e-01 384 2004 5 3.18181e-01 2.62171e-01 501 2004 6 5.00889e-01 1.22134e+00 448 2004 7 4.08576e-01 3.85900e-01 317 2004 8 2.99356e-01 1.59863e-01 345 2004 9 1.73246e+00 1.52065e+00 214 2004 10 4.60209e+00 3.08577e+00 167 2004 11 2.92319e+00 2.17421e+00 338 2004 12 1.55138e+00 1.34637e+00 378 2005 1 1.20674e+00 1.09363e+00 680 2005 2 1.04832e+00 7.37975e-01 520 2005 3 1.20790e+00 1.11717e+00 599 2005 4 1.65174e+00 1.00660e+00 234 2005 5 1.26290e-01 3.63943e-02 66 2005 6 1.12219e+00 1.65769e+00 308 2005 7 3.14346e+00 1.62245e+00 212 2005 8 1.67334e+00 1.34293e+00 207 2005 9 7.20575e-01 5.47448e-01 268 2005 10 5.62920e-01 2.97750e-01 837 2005 11 3.92690e-01 1.59693e-01 1016 2005 12 5.32022e-01 2.79315e-01 1069 2006 1 8.22979e-01 6.17512e-01 692 2006 2 1.41967e+00 7.45356e-01 768 2006 3 1.33219e+00 1.07897e+00 536 2006 4 1.01208e+00 1.42438e+00 196 2006 5 5.13823e-01 7.89337e-01 372 2006 6 2.66044e-01 1.65394e-01 361 2006 7 5.89590e-01 6.45675e-01 337 2006 8 5.92403e-01 5.31054e-01 256 2006 9 4.77316e-01 2.29685e-01 605 2006 10 3.90012e-01 2.11646e-01 726 2006 11 3.28963e-01 2.08572e-01 837 2006 12 2.56768e-01 2.98688e-01 458 2007 1 2.28799e-01 9.19046e-02 384 2007 2 2.56139e-01 2.14334e-01 766 2007 3 2.05063e-01 1.67876e-01 1086 2007 4 3.18735e-01 2.30391e-01 586 2007 5 1.21330e-01 3.21269e-02 85 2007 6 1.81751e-01 9.82566e-02 368 2007 7 4.76576e-01 2.22300e-01 497 2007 8 3.48959e-01 7.95187e-02 415 2007 9 2.89434e-01 6.36365e-02 416 2007 10 1.49702e-01 5.64253e-02 564 2007 11 1.58519e-01 9.02623e-02 1150 2007 12 1.79302e-01 2.43919e-01 781 2008 1 3.45993e-01 3.36608e-01 704 2008 2 2.45933e-01 1.55290e-01 898 2008 3 1.14805e+00 1.86704e+00 727 2008 4 1.96448e+00 2.53462e+00 238 2008 5 7.06765e-01 3.96669e-01 354 2008 6 6.61686e-01 7.89594e-01 254 2008 7 4.76529e-01 4.19822e-01 399 2008 8 5.80630e-01 2.17422e-01 128 2008 9 1.92778e+00 1.72278e+00 411 2008 10 5.60336e-01 6.42194e-01 959 2008 11 3.52196e-01 1.60912e-01 942 2008 12 6.33474e-01 3.47014e-01 813 2009 1 6.30373e-01 4.82435e-01 762 2009 2 5.38153e-01 3.18665e-01 969 2009 3 2.91887e-01 1.27367e-01 796 2009 4 7.77118e-01 5.01900e-01 439 2009 5 6.97632e-01 9.65203e-01 153 2009 6 3.01389e-01 3.69674e-01 274 2009 7 8.36280e-01 1.76995e+00 137 2009 8 8.61339e-01 6.28038e-01 420 2009 9 5.68114e-01 5.09366e-01 463 2009 10 3.48736e-01 1.90479e-01 904 2009 11 2.83091e-01 1.33266e-01 704 2009 12 3.65908e-01 1.51194e-01 192 2010 1 7.93895e-01 3.10947e-01 880 2010 2 1.78728e+00 1.27575e+00 621 2010 3 2.97856e+00 1.68468e+00 735 2010 4 1.66327e+00 2.20322e+00 172 2010 5 1.06470e+00 1.39159e+00 253 2010 6 7.52197e-01 1.28033e+00 560 2010 7 7.96868e-01 7.03903e-01 292 2010 8 1.47107e+00 1.91930e+00 217 2010 9 7.81371e-01 1.29994e+00 407 2010 10 4.60151e-01 6.52142e-01 1478 2010 11 2.30733e-01 1.06268e-01 1084 2010 12 3.33823e-01 1.83082e-01 1032 2011 1 2.48026e-01 1.56263e-01 706 2011 2 3.03721e-01 1.08680e-01 819 2011 3 4.62805e-01 2.24645e-01 713 2011 4 4.72303e-01 3.62558e-01 742 2011 5 3.87540e-01 3.92214e-01 642 2011 6 3.78091e-01 1.90017e-01 193 2011 7 3.57570e-01 2.79633e-01 281 2011 8 3.09036e-01 1.29389e-01 508 2011 9 3.10418e-01 1.62227e-01 629 2011 10 2.67804e-01 1.73674e-01 999 2011 11 1.33625e-01 8.62081e-02 989 2011 12 1.11451e-01 5.50790e-02 925 2012 1 1.76707e-01 9.69346e-02 1059 2012 2 1.81778e-01 8.08332e-02 256 2012 3 2.22849e-01 1.42196e-01 832 2012 4 2.58262e-01 1.15998e-01 685 2012 5 2.30225e-01 9.73870e-02 448 2012 6 4.58409e-01 2.19865e-01 183 2012 7 nan nan 0 2012 8 4.87063e+00 2.03881e+00 79 2012 9 3.27147e+00 2.38212e+00 269 2012 10 1.87116e+00 1.23456e+00 691 2012 11 1.00015e+00 8.84846e-01 626 2012 12 8.83976e-01 5.39791e-01 448 2013 1 4.25239e-01 3.16838e-01 576 2013 2 4.10552e-01 1.55532e-01 512 2013 3 9.49572e-01 1.02555e+00 620 2013 4 1.21559e+00 1.49312e+00 333 2013 5 6.54210e-01 6.30314e-01 383 2013 6 1.44406e+00 2.41021e+00 198 2013 7 2.16764e+00 2.21081e+00 42 2013 8 nan nan 0 2013 9 2.14358e+00 1.82095e+00 206 2013 10 1.02317e+00 1.33551e+00 637 2013 11 5.56172e-01 5.84142e-01 493 2013 12 3.19995e-01 1.33212e-01 517 2014 1 4.13823e-01 1.62630e-01 515 2014 2 9.05616e-01 7.39767e-01 658 2014 3 8.42182e-01 4.79154e-01 389 2014 4 nan nan 0 2014 5 3.28970e+00 1.59734e+00 49 2014 6 2.12969e+00 2.49923e+00 123 2014 7 1.11070e+00 1.05996e+00 379 2014 8 4.32671e-01 4.33408e-01 217 2014 9 1.86939e-01 1.95504e-01 391 2014 10 5.40585e-01 3.50950e-01 1288 2014 11 4.13334e-01 2.65283e-01 1018 2014 12 2.02705e-01 1.55050e-01 671 2015 1 3.11432e-01 2.77428e-01 768 2015 2 3.81630e-01 1.39173e-01 731 2015 3 1.78372e+00 1.72684e+00 296 2015 4 4.84468e-01 1.02594e-01 22 2015 5 4.00503e-01 2.52977e-01 285 2015 6 3.82474e-01 3.82925e-01 366 2015 7 4.22682e-01 5.92614e-01 164 2015 8 1.45854e+00 1.25798e+00 266 2015 9 7.84783e-01 2.99904e-01 178 2015 10 6.02707e-01 5.48410e-01 574 2015 11 7.27150e-01 3.30069e-01 448 2015 12 3.16301e-01 1.77190e-01 574 2016 1 3.32287e-01 9.16012e-02 701 2016 2 7.19995e-01 4.43794e-01 1135 2016 3 8.94590e-01 3.57101e-01 631 2016 4 7.47704e-01 4.48858e-01 327 2016 5 6.46360e-01 3.66195e-01 291 2016 6 5.38460e-01 9.00283e-01 579 2016 7 6.77395e-01 5.38988e-01 660 2016 8 1.65995e+00 1.85955e+00 432 2016 9 1.73917e+00 1.57093e+00 585 2016 10 4.72214e-01 2.87913e-01 873 2016 11 2.11967e-01 1.26395e-01 866 2016 12 1.92691e-01 9.75769e-02 808 2017 1 2.91017e-01 2.52121e-01 703 2017 2 3.77493e-01 1.52800e-01 1088 2017 3 6.08605e-01 1.22070e+00 866 2017 4 3.93895e-01 1.96975e-01 577 2017 5 5.91375e-01 2.77350e-01 377 2017 6 2.90457e-01 2.39576e-01 251 2017 7 4.39380e-01 3.37002e-01 121 2017 8 8.12099e-01 4.25299e-01 537 2017 9 8.88702e-01 9.20448e-01 348 2017 10 2.92023e+00 2.22233e+00 268 2017 11 4.53652e-01 5.09261e-01 900 2017 12 2.82354e-01 1.39495e-01 640 2018 1 3.64305e-01 1.43595e-01 624 2018 2 3.97241e-01 4.33465e-01 535 2018 3 5.11361e-01 2.13727e-01 810 2018 4 1.24801e+00 1.23353e+00 348 2018 5 9.91632e-01 1.16429e+00 418 2018 6 1.02932e+00 9.19992e-01 299 2018 7 6.24007e-01 1.32845e-01 114 2018 8 1.97962e+00 1.55209e+00 222 2018 9 1.11607e+00 1.03295e+00 638 2018 10 8.59062e-01 9.83412e-01 814 2018 11 1.24331e+00 8.22659e-01 259 2018 12 1.74236e+00 1.31351e+00 635 2019 1 2.66434e+00 1.85145e+00 525 2019 2 2.40758e+00 1.87463e+00 228 2019 3 1.30011e+00 3.51567e-01 385 2019 4 1.60274e+00 7.13516e-01 238 2019 5 5.57705e-01 3.74777e-01 576 2019 6 5.27946e-01 2.05681e-01 141 2019 7 5.54593e-01 4.93580e-01 369 2019 8 1.83618e+00 1.80883e+00 324 2019 9 5.58356e-01 7.76412e-01 549 2019 10 5.92420e-01 3.37923e-01 575 2019 11 3.83072e-01 5.17277e-01 688 2019 12 3.18985e-01 2.07581e-01 507 2020 1 3.53511e-01 1.15495e-01 588 2020 2 4.13527e-01 1.85643e-01 602 2020 3 5.79423e-01 5.10575e-01 565 2020 4 1.01910e+00 5.21811e-01 587 2020 5 6.44803e-01 4.34058e-01 490 2020 6 7.68504e-01 1.15626e+00 583 2020 7 1.24871e+00 7.09495e-01 89 2020 8 3.67200e-01 1.87602e-01 176 2020 9 1.86595e+00 1.10228e+00 158 2020 10 1.43804e+00 1.27591e+00 433 2020 11 1.43871e+00 1.39690e+00 666 2020 12 6.91719e-01 4.16146e-01 542 2021 1 1.15976e+00 8.92429e-01 542 2021 2 2.08031e+00 1.56452e+00 335 2021 3 2.41422e+00 2.25785e+00 172 2021 4 2.07120e+00 4.56557e-01 33 2021 5 1.00670e+00 6.18189e-01 338 2021 6 6.29503e-01 5.13230e-01 157 2021 7 2.85243e-01 5.92684e-02 19 2021 8 3.20042e-01 1.68401e+00 64 2021 9 2.19659e+00 2.07837e+00 415 2021 10 1.52155e+00 1.86070e+00 559 2021 11 1.28420e+00 1.35555e+00 715 2021 12 6.65021e-01 5.71323e-01 572 2022 1 9.15290e-01 5.91268e-01 958 2022 2 4.59259e-01 4.65335e-01 707 2022 3 1.22094e+00 1.18849e+00 640 2022 4 1.84604e+00 5.58371e-01 64 2022 5 1.27826e+00 9.94629e-01 272 2022 6 6.22719e-01 1.26131e+00 280 2022 7 8.60673e-02 6.90655e-02 173 2022 8 7.32501e-01 1.21542e+00 432 2022 9 4.18630e-01 5.74966e-01 414 2022 10 3.25991e-01 3.47788e-01 1375 2022 11 2.07095e-01 1.28486e-01 489 2022 12 3.16764e-01 2.82045e-01 956 2023 1 2.29247e-01 9.45879e-02 859 2023 2 2.36713e-01 8.89884e-02 576 2023 3 5.54974e-01 6.66766e-01 717 2023 4 2.81873e-01 2.11813e-01 329 2023 5 3.91192e-01 3.68635e-01 246 2023 6 1.33493e-01 4.60020e-02 256 2023 7 8.84329e-01 1.15325e+00 284 2023 8 1.03768e+00 1.77646e+00 437 2023 9 1.47568e+00 1.45871e+00 286 2023 10 4.14638e-01 2.42756e-01 599 2023 11 3.76596e-01 3.27150e-01 618 2023 12 8.74502e-01 6.36197e-01 375 2024 1 2.41984e+00 1.36824e+00 322 2024 2 1.15709e+00 9.00735e-01 466 2024 3 6.28366e-01 4.03426e-01 126 2024 4 nan nan 0