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 1.05523e+00 2.50380e-01 256 2002 8 8.93944e-01 3.67829e-01 384 2002 9 1.84551e+00 9.10187e-01 508 2002 10 1.12468e+00 3.19487e-01 768 2002 11 1.11822e+00 5.90899e-01 960 2002 12 1.26654e+00 5.21520e-01 768 2003 1 1.96891e+00 5.82846e-01 1076 2003 2 1.28665e+00 3.74676e-01 578 2003 3 6.26547e+00 2.13390e+00 85 2003 4 6.60501e+00 4.50903e+00 48 2003 5 3.47477e+00 3.10376e+00 100 2003 6 2.36913e+00 1.12830e+00 239 2003 7 3.39606e+00 2.08651e+00 95 2003 8 3.01351e+00 2.47656e+00 217 2003 9 2.64423e+00 2.23658e+00 452 2003 10 2.26053e+00 1.60808e+00 840 2003 11 1.04108e+00 6.01962e-01 1146 2003 12 1.61838e+00 5.15679e-01 896 2004 1 1.34912e+00 1.07431e+00 847 2004 2 9.70259e-01 3.41217e-01 192 2004 3 2.24077e+00 1.54162e+00 663 2004 4 1.08877e+00 7.13753e-01 577 2004 5 1.29735e+00 8.88219e-01 606 2004 6 1.70626e+00 4.67858e-01 329 2004 7 1.84184e+00 8.25821e-01 408 2004 8 1.55583e+00 6.66558e-01 416 2004 9 3.56528e+00 3.11267e+00 275 2004 10 1.67975e+01 1.03396e+01 280 2004 11 1.08662e+01 8.32599e+00 403 2004 12 6.79737e+00 4.46102e+00 579 2005 1 4.84492e+00 7.45844e+00 821 2005 2 3.14359e+00 1.48754e+00 549 2005 3 2.35690e+00 1.05718e+00 640 2005 4 3.33748e+00 1.96408e+00 341 2005 5 2.76812e+00 2.60669e+00 404 2005 6 4.82564e+00 3.18254e+00 442 2005 7 1.42735e+01 8.77239e+00 355 2005 8 2.00022e+01 1.19212e+01 55 2005 9 6.54834e+00 4.55372e+00 385 2005 10 3.41520e+00 2.39292e+00 972 2005 11 1.28746e+00 4.34093e-01 1080 2005 12 1.05669e+00 5.73361e-01 1044 2006 1 1.92465e+00 8.86109e-01 791 2006 2 2.63382e+00 1.24453e+00 768 2006 3 3.69669e+00 3.64533e+00 717 2006 4 2.35103e+00 8.09638e-01 286 2006 5 7.45538e-01 3.60165e-01 709 2006 6 9.03211e-01 4.31148e-01 383 2006 7 1.09496e+00 6.24367e-01 539 2006 8 1.38731e+00 4.22165e-01 289 2006 9 1.94800e+00 9.25131e-01 567 2006 10 1.32610e+00 6.35298e-01 853 2006 11 7.09869e-01 2.56494e-01 822 2006 12 7.31054e-01 5.75723e-01 576 2007 1 4.16549e-01 1.65970e-01 498 2007 2 6.25422e-01 2.87257e-01 766 2007 3 4.86113e-01 2.58407e-01 1180 2007 4 6.29079e-01 3.54165e-01 764 2007 5 6.16102e-01 3.29482e-01 249 2007 6 6.29300e-01 2.82106e-01 512 2007 7 1.65917e+00 4.99464e-01 442 2007 8 1.82613e+00 4.72867e-01 494 2007 9 1.75231e+00 5.13200e-01 500 2007 10 6.25136e-01 2.42475e-01 692 2007 11 4.16739e-01 1.08976e-01 1145 2007 12 5.26618e-01 4.38888e-01 824 2008 1 4.80414e-01 2.80299e-01 832 2008 2 4.81055e-01 2.24594e-01 1079 2008 3 2.47233e+00 3.75914e+00 860 2008 4 3.00765e+00 1.83205e+00 450 2008 5 1.98492e+00 8.76763e-01 606 2008 6 2.92118e+00 1.54442e+00 384 2008 7 1.33076e+00 8.87588e-01 512 2008 8 3.58448e+00 3.81512e+00 192 2008 9 5.99805e+00 7.40087e+00 597 2008 10 1.96519e+00 1.06011e+00 1017 2008 11 1.21705e+00 1.14470e+00 1059 2008 12 2.36437e+00 1.87596e+00 868 2009 1 1.85812e+00 7.49427e-01 640 2009 2 9.37413e-01 3.88346e-01 971 2009 3 6.22986e-01 3.21434e-01 940 2009 4 1.14776e+00 8.02372e-01 627 2009 5 4.89457e+00 3.00613e+00 187 2009 6 1.72339e+00 1.04497e+00 490 2009 7 1.72190e+00 1.28695e+00 386 2009 8 3.79500e+00 3.79571e+00 529 2009 9 3.07208e+00 3.08469e+00 651 2009 10 1.02344e+00 4.25622e-01 772 2009 11 7.05401e-01 4.25523e-01 725 2009 12 7.96238e-01 3.00374e-01 256 2010 1 2.53214e+00 1.52052e+00 940 2010 2 5.26610e+00 5.22344e+00 656 2010 3 4.93127e+00 2.97153e+00 834 2010 4 8.03678e+00 8.60490e+00 303 2010 5 2.41320e+00 1.11897e+00 503 2010 6 2.16667e+00 1.08018e+00 588 2010 7 2.30736e+00 9.91666e-01 384 2010 8 3.61908e+00 4.16828e+00 260 2010 9 1.33068e+00 5.02288e-01 638 2010 10 9.41262e-01 4.64588e-01 1514 2010 11 5.37559e-01 2.39750e-01 1149 2010 12 7.12607e-01 4.21243e-01 1095 2011 1 5.45997e-01 1.93410e-01 804 2011 2 5.90280e-01 1.65791e-01 770 2011 3 6.52984e-01 2.77826e-01 876 2011 4 6.55901e-01 3.37960e-01 902 2011 5 5.40821e-01 2.14958e-01 789 2011 6 5.98244e-01 2.70083e-01 239 2011 7 2.26833e+00 1.69789e+00 397 2011 8 1.06116e+00 6.26971e-01 693 2011 9 7.68999e-01 2.16740e-01 802 2011 10 5.60366e-01 2.37711e-01 1065 2011 11 4.30243e-01 1.95918e-01 1049 2011 12 4.10782e-01 9.72951e-02 1064 2012 1 5.83113e-01 2.86976e-01 1102 2012 2 4.22163e-01 1.17469e-01 343 2012 3 5.75527e-01 3.64957e-01 940 2012 4 6.22242e-01 2.41426e-01 937 2012 5 7.19687e-01 2.93747e-01 512 2012 6 1.39195e+00 4.96919e-01 312 2012 7 3.13897e+00 3.75071e+00 103 2012 8 1.05062e+01 8.81191e+00 171 2012 9 1.05826e+01 9.22921e+00 464 2012 10 5.54129e+00 3.40163e+00 856 2012 11 3.71542e+00 3.46334e+00 1006 2012 12 2.29107e+00 1.76889e+00 674 2013 1 1.00552e+00 5.03018e-01 704 2013 2 7.85393e-01 3.29515e-01 585 2013 3 1.26337e+00 7.55900e-01 748 2013 4 3.89340e+00 2.75059e+00 433 2013 5 2.38566e+00 2.00412e+00 487 2013 6 2.93361e+00 2.04579e+00 236 2013 7 5.77345e+00 3.92196e+00 192 2013 8 1.92303e+01 1.15439e+01 158 2013 9 1.06390e+01 9.09545e+00 635 2013 10 3.82326e+00 2.86453e+00 876 2013 11 2.00227e+00 1.38788e+00 619 2013 12 7.66406e-01 4.24712e-01 704 2014 1 9.61535e-01 2.76689e-01 622 2014 2 2.25802e+00 2.11577e+00 813 2014 3 2.97113e+00 1.95809e+00 531 2014 4 9.25990e+00 5.56733e+00 156 2014 5 2.12063e+01 1.02577e+01 102 2014 6 6.49152e+00 3.48523e+00 192 2014 7 5.73254e+00 4.29686e+00 503 2014 8 1.70168e+00 6.89778e-01 384 2014 9 2.66200e+00 1.23530e+00 431 2014 10 1.81393e+00 1.31318e+00 1397 2014 11 8.99446e-01 5.32984e-01 1024 2014 12 7.24834e-01 1.95164e+00 839 2015 1 7.99131e-01 1.81235e+00 889 2015 2 1.48438e+00 1.34861e+00 830 2015 3 5.76451e+00 6.31666e+00 419 2015 4 9.84926e+00 7.76705e+00 101 2015 5 2.18588e+00 1.16018e+00 653 2015 6 1.72276e+00 7.44225e-01 486 2015 7 2.18868e+00 1.20045e+00 205 2015 8 6.74038e+00 6.88913e+00 364 2015 9 4.21342e+00 3.05283e+00 320 2015 10 1.17296e+00 7.50367e-01 808 2015 11 2.12445e+00 1.71324e+00 631 2015 12 8.86034e-01 1.12919e+00 554 2016 1 7.71403e-01 3.15561e-01 656 2016 2 1.45837e+00 5.28166e-01 1216 2016 3 1.93866e+00 7.47567e-01 672 2016 4 2.04148e+00 1.36485e+00 355 2016 5 1.70864e+00 1.28237e+00 705 2016 6 1.43997e+00 7.67132e-01 555 2016 7 1.70675e+00 1.27753e+00 801 2016 8 3.60613e+00 3.01834e+00 785 2016 9 3.53891e+00 2.16956e+00 858 2016 10 8.35936e-01 3.85808e-01 894 2016 11 4.52405e-01 1.63018e-01 957 2016 12 4.65319e-01 1.49818e-01 797 2017 1 6.04224e-01 3.73868e-01 768 2017 2 8.92567e-01 4.30918e-01 1088 2017 3 8.45417e-01 6.07085e-01 1022 2017 4 9.33653e-01 4.06643e-01 767 2017 5 8.73414e-01 2.95772e-01 571 2017 6 1.45117e+00 6.26525e-01 437 2017 7 2.19031e+00 1.10258e+00 156 2017 8 1.81448e+00 6.94329e-01 644 2017 9 3.63225e+00 6.02537e+00 579 2017 10 6.33505e+00 6.46273e+00 435 2017 11 1.73117e+00 2.66678e+00 1045 2017 12 7.41882e-01 3.03680e-01 701 2018 1 5.67933e-01 3.03590e-01 606 2018 2 1.69108e+00 8.69300e-01 417 2018 3 9.15785e-01 6.83499e-01 841 2018 4 1.20831e+00 7.31017e-01 637 2018 5 9.93259e-01 7.00729e-01 508 2018 6 3.49595e+00 2.14322e+00 346 2018 7 4.01779e+00 5.38389e+00 234 2018 8 9.88475e+00 8.90200e+00 222 2018 9 4.51111e+00 2.60050e+00 881 2018 10 3.00791e+00 3.66010e+00 1007 2018 11 2.19991e+00 7.18862e-01 294 2018 12 3.48134e+00 3.35012e+00 768 2019 1 6.81570e+00 7.21479e+00 677 2019 2 7.68127e+00 7.32501e+00 196 2019 3 4.98657e+00 5.25849e+00 552 2019 4 4.01265e+00 2.73860e+00 309 2019 5 1.37255e+00 7.48153e-01 884 2019 6 2.78672e+00 3.29326e+00 143 2019 7 1.54273e+00 6.22747e-01 447 2019 8 4.37519e+00 3.60021e+00 600 2019 9 1.02639e+00 1.88650e+00 675 2019 10 8.65977e-01 7.91394e-01 773 2019 11 7.54050e-01 6.25385e-01 768 2019 12 8.90162e-01 4.49804e-01 554 2020 1 5.67851e-01 1.91139e-01 532 2020 2 8.36190e-01 6.35146e-01 669 2020 3 1.69795e+00 3.46902e+00 608 2020 4 1.12817e+00 5.13677e-01 690 2020 5 6.92726e-01 2.98571e-01 635 2020 6 1.87031e+00 1.14824e+00 640 2020 7 2.55795e+00 2.25562e+00 316 2020 8 1.26614e+00 1.05371e+00 354 2020 9 4.49045e+00 3.51203e+00 253 2020 10 3.75274e+00 4.72154e+00 748 2020 11 1.53700e+00 9.28841e-01 853 2020 12 7.47179e-01 3.84690e-01 571 2021 1 1.27443e+00 9.67072e-01 512 2021 2 3.34579e+00 3.16425e+00 446 2021 3 2.01250e+00 1.18291e+00 488 2021 4 2.38240e+00 2.71316e+00 365 2021 5 2.19258e+00 1.70999e+00 633 2021 6 1.51971e+00 5.43033e-01 209 2021 7 1.37059e+00 5.61896e-01 59 2021 8 1.49874e+01 1.54306e+01 150 2021 9 1.20946e+01 8.34568e+00 556 2021 10 5.90218e+00 6.58278e+00 651 2021 11 2.87235e+00 1.68731e+00 748 2021 12 2.17695e+00 8.32010e-01 474 2022 1 1.90631e+00 9.15929e-01 1052 2022 2 9.48302e-01 3.52380e-01 775 2022 3 2.07500e+00 1.87219e+00 757 2022 4 5.01211e+00 3.21153e+00 80 2022 5 3.31255e+00 3.04529e+00 445 2022 6 2.54453e+00 1.34805e+00 496 2022 7 1.53942e+00 1.66580e+00 156 2022 8 3.29316e+00 1.81561e+00 429 2022 9 2.26892e+00 1.55530e+00 444 2022 10 1.09416e+00 5.33620e-01 1404 2022 11 8.14825e-01 3.96885e-01 456 2022 12 6.26083e-01 3.24555e-01 1141 2023 1 8.69659e-01 3.55016e-01 911 2023 2 9.17678e-01 3.49355e-01 688 2023 3 3.21613e+00 5.35810e+00 805 2023 4 2.00052e+00 8.67477e-01 371 2023 5 1.73219e+00 9.63881e-01 384 2023 6 1.00628e+00 6.82592e-01 299 2023 7 3.57566e+00 1.76850e+00 414 2023 8 4.07642e+00 3.69076e+00 528 2023 9 4.00632e+00 2.61788e+00 457 2023 10 1.88965e+00 7.27198e-01 712 2023 11 9.01020e-01 3.81681e-01 675 2023 12 1.34798e+00 8.93943e-01 405 2024 1 6.93457e+00 6.84060e+00 506 2024 2 4.40531e+00 3.58018e+00 513 2024 3 6.14262e+00 3.57884e+00 89 2024 4 nan nan 0