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 1.20794e+00 6.02229e-01 189 2002 8 1.07809e+00 5.95315e-01 343 2002 9 1.94525e+00 5.19592e-01 215 2002 10 1.33030e+00 7.68306e-01 697 2002 11 1.70138e+00 1.07456e+00 902 2002 12 2.34652e+00 2.01486e+00 768 2003 1 3.54614e+00 3.10598e+00 1053 2003 2 2.07768e+00 8.75622e-01 576 2003 3 8.34295e+00 3.76637e+00 19 2003 4 1.37395e+01 8.91217e+00 64 2003 5 nan nan 0 2003 6 2.41396e+00 1.93417e+00 253 2003 7 4.85800e+00 1.93730e+00 64 2003 8 1.06453e+01 6.74241e+00 40 2003 9 2.59058e+00 3.13783e+00 320 2003 10 2.17170e+00 1.51118e+00 781 2003 11 1.28435e+00 7.57346e-01 1152 2003 12 3.47294e+00 1.69015e+00 858 2004 1 2.20937e+00 1.50519e+00 801 2004 2 1.59882e+00 6.02735e-01 192 2004 3 3.31578e+00 2.89573e+00 659 2004 4 2.07127e+00 2.39212e+00 476 2004 5 1.29239e+00 9.53880e-01 512 2004 6 1.89965e+00 9.24854e-01 229 2004 7 1.55824e+00 5.38754e-01 244 2004 8 2.06925e+00 1.58128e+00 509 2004 9 9.45275e+00 1.06382e+01 179 2004 10 2.97170e+01 1.20075e+01 45 2004 11 9.77021e+00 5.75697e+00 273 2004 12 9.69254e+00 6.52532e+00 559 2005 1 5.77132e+00 4.87238e+00 768 2005 2 3.89716e+00 2.52736e+00 574 2005 3 3.49085e+00 2.00434e+00 587 2005 4 5.74981e+00 3.80191e+00 224 2005 5 2.58115e+00 1.53867e+00 95 2005 6 8.60656e+00 7.76395e+00 266 2005 7 1.24358e+01 9.01401e+00 86 2005 8 1.86464e+01 1.17300e+01 53 2005 9 5.91847e+00 7.81729e+00 210 2005 10 3.42321e+00 2.35179e+00 942 2005 11 1.80199e+00 1.26412e+00 1056 2005 12 2.43599e+00 1.33226e+00 1024 2006 1 2.99173e+00 1.93257e+00 716 2006 2 5.43296e+00 3.09851e+00 800 2006 3 6.08014e+00 5.82050e+00 800 2006 4 1.87317e+00 8.09076e-01 215 2006 5 1.08123e+00 6.80790e-01 588 2006 6 7.37766e-01 2.24228e-01 271 2006 7 9.68866e-01 4.54706e-01 399 2006 8 2.06007e+00 1.76662e+00 324 2006 9 2.28386e+00 8.63664e-01 461 2006 10 2.04747e+00 1.09319e+00 659 2006 11 1.56816e+00 1.17255e+00 896 2006 12 1.15083e+00 1.55810e+00 502 2007 1 9.31989e-01 7.27539e-01 448 2007 2 1.18411e+00 1.18789e+00 822 2007 3 4.73986e-01 4.11531e-01 1135 2007 4 5.64761e-01 5.68376e-01 636 2007 5 6.11016e-01 1.96942e-01 95 2007 6 6.13404e-01 3.15367e-01 162 2007 7 2.15365e+00 6.49512e-01 456 2007 8 2.91949e+00 9.58606e-01 384 2007 9 1.54862e+00 7.72942e-01 368 2007 10 7.78696e-01 4.10745e-01 601 2007 11 6.26227e-01 3.90217e-01 1088 2007 12 9.92632e-01 1.23256e+00 698 2008 1 1.28845e+00 1.29942e+00 873 2008 2 8.93191e-01 1.01295e+00 1048 2008 3 2.44772e+00 2.29478e+00 811 2008 4 3.83165e+00 3.81951e+00 173 2008 5 1.77738e+00 8.57019e-01 496 2008 6 3.44196e+00 5.30367e+00 337 2008 7 1.20526e+00 5.89258e-01 398 2008 8 1.68043e+00 2.14927e-01 64 2008 9 7.78187e+00 7.78844e+00 334 2008 10 1.80383e+00 1.37134e+00 992 2008 11 1.63792e+00 1.16293e+00 840 2008 12 2.72769e+00 1.59806e+00 791 2009 1 2.85226e+00 1.84312e+00 640 2009 2 1.54068e+00 9.46662e-01 888 2009 3 9.51055e-01 6.36159e-01 1007 2009 4 1.59058e+00 1.15891e+00 481 2009 5 3.03073e+00 9.99567e-01 64 2009 6 2.44209e+00 2.61893e+00 329 2009 7 1.48223e+00 1.14303e+00 209 2009 8 3.63070e+00 2.84390e+00 427 2009 9 3.05738e+00 4.18492e+00 377 2009 10 1.52742e+00 1.42191e+00 658 2009 11 8.71116e-01 4.74400e-01 640 2009 12 1.42223e+00 7.31950e-01 218 2010 1 3.83243e+00 1.64704e+00 900 2010 2 9.21522e+00 6.55646e+00 696 2010 3 8.83277e+00 4.33577e+00 797 2010 4 4.07379e+00 4.36812e+00 225 2010 5 4.22001e+00 2.94833e+00 180 2010 6 1.93523e+00 1.43406e+00 456 2010 7 2.31664e+00 1.59302e+00 369 2010 8 2.52238e+00 1.05786e+00 116 2010 9 2.98590e+00 6.21348e+00 471 2010 10 1.10936e+00 5.81564e-01 1575 2010 11 7.12458e-01 9.95663e-01 1169 2010 12 1.95108e+00 1.77913e+00 1055 2011 1 1.27058e+00 8.77076e-01 717 2011 2 7.34695e-01 2.70839e-01 723 2011 3 1.22984e+00 6.37203e-01 902 2011 4 8.71172e-01 5.29149e-01 711 2011 5 6.14102e-01 3.71428e-01 698 2011 6 4.80478e-01 2.99163e-01 192 2011 7 1.75192e+00 1.18535e+00 265 2011 8 8.70811e-01 5.37952e-01 564 2011 9 7.05171e-01 3.12068e-01 630 2011 10 8.16892e-01 4.41887e-01 973 2011 11 7.57832e-01 5.83101e-01 984 2011 12 6.24069e-01 3.36499e-01 996 2012 1 1.21609e+00 7.94077e-01 1024 2012 2 9.07858e-01 4.32682e-01 179 2012 3 6.94884e-01 9.29485e-01 807 2012 4 5.76187e-01 2.98328e-01 675 2012 5 9.59579e-01 2.89194e-01 384 2012 6 1.36751e+00 1.31492e+00 256 2012 7 1.10013e+00 2.77118e+00 54 2012 8 1.29260e+01 8.94211e+00 91 2012 9 1.32162e+01 5.54303e+00 249 2012 10 8.94705e+00 6.73632e+00 680 2012 11 4.65226e+00 4.04689e+00 814 2012 12 3.19510e+00 2.72610e+00 540 2013 1 1.72512e+00 1.26852e+00 515 2013 2 1.51139e+00 6.80763e-01 621 2013 3 2.18961e+00 1.76804e+00 622 2013 4 3.98765e+00 3.21521e+00 346 2013 5 1.55379e+00 8.69565e-01 587 2013 6 2.97419e+00 4.73253e+00 198 2013 7 5.82983e+00 2.67098e+00 132 2013 8 2.82639e+01 1.05224e+01 44 2013 9 1.07480e+01 7.31700e+00 281 2013 10 4.60191e+00 3.00144e+00 517 2013 11 1.94085e+00 1.27372e+00 474 2013 12 1.15571e+00 8.17156e-01 704 2014 1 2.00608e+00 1.73799e+00 652 2014 2 2.05764e+00 1.91289e+00 661 2014 3 5.94816e+00 5.00832e+00 477 2014 4 nan nan 0 2014 5 1.61399e+01 9.91674e+00 32 2014 6 3.05949e+00 2.50716e+00 70 2014 7 5.50069e+00 3.33211e+00 370 2014 8 1.19743e+00 4.69987e-01 252 2014 9 2.38675e+00 1.84556e+00 364 2014 10 2.03551e+00 1.46101e+00 1399 2014 11 1.77427e+00 1.40434e+00 1003 2014 12 8.82096e-01 9.24529e-01 804 2015 1 1.38657e+00 1.97812e+00 744 2015 2 2.04855e+00 1.53334e+00 795 2015 3 5.72669e+00 6.34299e+00 490 2015 4 3.94089e+00 9.03583e-01 67 2015 5 1.81778e+00 1.24192e+00 326 2015 6 1.89148e+00 2.25755e+00 437 2015 7 1.82995e+00 4.79414e-01 128 2015 8 7.27912e+00 5.55624e+00 281 2015 9 4.47632e+00 4.62428e+00 299 2015 10 1.16683e+00 6.42097e-01 759 2015 11 3.22285e+00 2.35607e+00 496 2015 12 9.26281e-01 7.39220e-01 455 2016 1 1.47764e+00 5.99069e-01 696 2016 2 2.56493e+00 1.33896e+00 1204 2016 3 2.50985e+00 1.63225e+00 727 2016 4 1.78782e+00 8.13086e-01 370 2016 5 1.43292e+00 1.39858e+00 470 2016 6 9.60935e-01 5.23258e-01 461 2016 7 1.66506e+00 1.30523e+00 619 2016 8 7.04245e+00 5.34220e+00 518 2016 9 1.00719e+01 9.33966e+00 532 2016 10 1.45549e+00 1.03557e+00 793 2016 11 5.38697e-01 3.71078e-01 935 2016 12 6.72297e-01 3.69110e-01 782 2017 1 9.80048e-01 8.08941e-01 704 2017 2 1.67943e+00 7.88173e-01 1002 2017 3 8.22522e-01 6.09189e-01 721 2017 4 1.19031e+00 1.21623e+00 665 2017 5 1.03527e+00 4.72988e-01 476 2017 6 1.82202e+00 1.31161e+00 384 2017 7 1.37576e+00 1.82099e+00 182 2017 8 3.21883e+00 2.84805e+00 495 2017 9 5.94389e+00 7.00694e+00 253 2017 10 8.70852e+00 8.62087e+00 313 2017 11 1.14415e+00 1.17159e+00 866 2017 12 1.08639e+00 8.47296e-01 745 2018 1 1.14458e+00 9.50917e-01 757 2018 2 1.94385e+00 1.32947e+00 499 2018 3 1.56297e+00 1.07890e+00 665 2018 4 1.56742e+00 2.49082e+00 476 2018 5 2.44532e+00 2.56755e+00 504 2018 6 6.07236e+00 6.60698e+00 378 2018 7 4.76221e+00 1.59375e+00 65 2018 8 1.10470e+01 6.56561e+00 127 2018 9 7.21431e+00 5.02056e+00 513 2018 10 3.15365e+00 2.84893e+00 832 2018 11 3.66069e+00 2.04689e+00 256 2018 12 3.55751e+00 2.62859e+00 563 2019 1 1.08124e+01 7.41434e+00 646 2019 2 6.53330e+00 3.43149e+00 128 2019 3 4.42073e+00 2.69286e+00 461 2019 4 2.80869e+00 1.11910e+00 267 2019 5 1.26973e+00 7.05520e-01 595 2019 6 2.84756e+00 1.11787e+00 134 2019 7 1.76411e+00 1.47468e+00 345 2019 8 5.30661e+00 8.82416e+00 375 2019 9 9.10946e-01 1.38029e+00 468 2019 10 1.28951e+00 7.16900e-01 559 2019 11 8.24771e-01 4.62818e-01 704 2019 12 1.49844e+00 8.12689e-01 405 2020 1 1.22337e+00 5.60445e-01 578 2020 2 1.43890e+00 9.06067e-01 564 2020 3 1.16827e+00 8.75425e-01 626 2020 4 1.56383e+00 7.30483e-01 547 2020 5 7.49815e-01 5.70333e-01 632 2020 6 1.44823e+00 2.98104e+00 464 2020 7 3.08971e+00 3.95309e+00 183 2020 8 1.29018e+00 1.10645e+00 138 2020 9 5.75164e+00 2.26166e+00 128 2020 10 5.29418e+00 6.48616e+00 422 2020 11 1.74373e+00 1.44816e+00 594 2020 12 1.28970e+00 6.29708e-01 651 2021 1 2.85410e+00 2.49396e+00 576 2021 2 3.69607e+00 1.97731e+00 490 2021 3 3.70169e+00 6.25895e+00 294 2021 4 1.79273e+00 1.52069e+00 158 2021 5 1.86569e+00 1.80046e+00 426 2021 6 1.25907e+00 6.01154e-01 159 2021 7 1.02544e+00 6.59658e-01 2 2021 8 1.45908e+00 9.79032e-01 20 2021 9 1.12385e+01 1.02095e+01 324 2021 10 5.30574e+00 6.18469e+00 587 2021 11 3.04432e+00 1.42803e+00 744 2021 12 2.61609e+00 1.93870e+00 586 2022 1 3.36845e+00 2.24760e+00 896 2022 2 1.39031e+00 8.99565e-01 832 2022 3 2.89183e+00 4.21761e+00 564 2022 4 3.63717e+00 2.14863e+00 19 2022 5 3.63809e+00 1.82058e+00 259 2022 6 4.01988e+00 5.49111e+00 316 2022 7 1.03098e+00 7.32103e-01 132 2022 8 3.54482e+00 5.71566e+00 562 2022 9 2.22968e+00 1.26663e+00 242 2022 10 1.15819e+00 8.50615e-01 1342 2022 11 1.28600e+00 7.78723e-01 385 2022 12 1.27341e+00 1.29700e+00 1090 2023 1 1.70384e+00 1.07228e+00 887 2023 2 1.48625e+00 6.40399e-01 480 2023 3 2.75499e+00 4.02252e+00 621 2023 4 2.21527e+00 1.26706e+00 384 2023 5 2.04482e+00 1.58792e+00 348 2023 6 1.44332e+00 1.06484e+00 219 2023 7 6.34344e+00 7.05172e+00 442 2023 8 6.46060e+00 6.61529e+00 343 2023 9 6.58598e+00 5.21517e+00 297 2023 10 2.52226e+00 1.40284e+00 620 2023 11 1.67827e+00 1.47140e+00 605 2023 12 3.64947e+00 3.85361e+00 310 2024 1 9.25513e+00 6.99687e+00 434 2024 2 6.04010e+00 5.12660e+00 465 2024 3 1.23865e+01 7.94151e+00 147 2024 4 nan nan 0