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 2.15139e+00 6.88210e-01 343 2002 8 1.65511e+00 7.14703e-01 641 2002 9 5.73266e+00 4.24591e+00 588 2002 10 2.46622e+00 1.43090e+00 725 2002 11 2.31366e+00 1.15978e+00 410 2002 12 1.33093e+00 3.24952e-01 572 2003 1 1.25753e+00 2.59175e-01 625 2003 2 1.69278e+00 5.42140e-01 576 2003 3 2.58792e+00 1.22786e+00 640 2003 4 6.54365e+00 4.43704e+00 718 2003 5 2.71179e+00 1.38174e+00 356 2003 6 6.14154e+00 5.25667e+00 289 2003 7 2.93490e+00 2.30332e+00 707 2003 8 4.46857e+00 4.83652e+00 600 2003 9 4.67132e+00 1.32226e+01 791 2003 10 7.79071e+00 9.58320e+00 559 2003 11 9.75589e+00 1.46606e+01 652 2003 12 2.03973e+00 9.72053e-01 660 2004 1 1.07581e+00 2.72290e-01 861 2004 2 1.06646e+00 1.02431e-01 773 2004 3 6.80674e+00 6.61427e+00 606 2004 4 1.43902e+01 1.60852e+01 508 2004 5 5.77882e+00 1.51402e+01 330 2004 6 2.52387e+00 8.25441e-01 239 2004 7 1.47885e+00 6.72550e-01 128 2004 8 1.76097e+00 9.94037e-01 619 2004 9 2.89407e+00 2.19701e+00 512 2004 10 4.51985e+00 1.04479e+01 659 2004 11 1.70909e+00 5.66689e-01 832 2004 12 1.63008e+00 6.21967e-01 469 2005 1 1.69377e+00 3.89842e-01 704 2005 2 2.07501e+00 1.08863e+00 512 2005 3 3.84450e+00 2.64062e+00 637 2005 4 8.09148e+00 5.41366e+00 728 2005 5 7.78547e+00 5.87776e+00 381 2005 6 1.21147e+01 2.04584e+01 440 2005 7 7.91578e+00 1.44184e+01 403 2005 8 1.92437e+00 6.07310e-01 506 2005 9 7.36694e+00 1.29548e+01 840 2005 10 9.05850e+00 1.20892e+01 367 2005 11 5.11917e+00 5.68008e+00 520 2005 12 1.43508e+00 5.15900e-01 606 2006 1 1.47908e+00 3.80591e-01 704 2006 2 1.53062e+00 3.65453e-01 809 2006 3 2.55047e+00 1.70540e+00 799 2006 4 1.55394e+01 1.71144e+01 541 2006 5 7.03483e+00 6.54098e+00 128 2006 6 2.08424e+00 5.14351e-01 256 2006 7 1.77844e+00 6.34859e-01 396 2006 8 2.38907e+00 1.83732e+00 712 2006 9 5.72775e+00 9.89220e+00 810 2006 10 3.87161e+00 4.34389e+00 636 2006 11 3.12721e+00 3.50680e+00 415 2006 12 1.81803e+00 8.61214e-01 489 2007 1 1.60196e+00 2.12176e+00 453 2007 2 1.05449e+00 2.86176e-01 733 2007 3 5.00397e+00 5.59165e+00 611 2007 4 9.34824e+00 3.68252e+00 374 2007 5 1.19094e+01 8.02320e+00 536 2007 6 3.63786e+00 1.57501e+00 259 2007 7 1.28452e+00 6.63061e-01 448 2007 8 2.71666e+00 1.17154e+00 448 2007 9 2.93115e+00 1.34745e+00 846 2007 10 5.90304e+00 4.68929e+00 568 2007 11 2.30892e+00 1.02243e+00 707 2007 12 1.34456e+00 1.67991e-01 256 2008 1 1.22674e+00 3.24996e-01 595 2008 2 1.39482e+00 2.18567e-01 448 2008 3 3.98808e+00 4.32427e+00 704 2008 4 1.09046e+01 1.50591e+01 569 2008 5 1.24611e+01 2.08109e+01 304 2008 6 2.01158e+00 1.19537e+00 555 2008 7 2.08790e+00 8.83201e-01 399 2008 8 1.43365e+01 2.23393e+01 633 2008 9 4.17402e+00 4.78220e+00 930 2008 10 7.03050e+00 7.50634e+00 870 2008 11 2.56005e+00 1.64785e+00 704 2008 12 1.41281e+00 5.31010e-01 483 2009 1 6.61754e-01 2.69534e-01 1111 2009 2 7.02051e-01 2.30356e-01 696 2009 3 3.27990e+00 4.65568e+00 828 2009 4 9.95442e+00 1.01639e+01 525 2009 5 1.44903e+01 2.53661e+01 363 2009 6 1.64178e+00 1.68342e+00 317 2009 7 4.11521e+00 4.05086e+00 365 2009 8 2.34156e+00 1.23798e+00 372 2009 9 1.25815e+01 1.62559e+01 615 2009 10 4.31110e+00 1.29693e+01 404 2009 11 5.09371e+00 1.04061e+01 410 2009 12 2.14007e+00 1.29051e+00 509 2010 1 1.42726e+00 4.54092e-01 864 2010 2 1.44348e+00 4.04448e-01 559 2010 3 3.64785e+00 1.08113e+00 576 2010 4 1.69002e+01 2.41787e+01 496 2010 5 5.16752e+00 8.65437e+00 602 2010 6 1.44201e+00 7.02578e-01 421 2010 7 1.57137e+00 7.75994e-01 645 2010 8 2.43761e+00 1.80053e+00 626 2010 9 4.87225e+00 6.06256e+00 787 2010 10 6.74380e+00 7.42649e+00 615 2010 11 3.24805e+00 1.21658e+00 551 2010 12 1.59442e+00 5.63341e-01 319 2011 1 1.50110e+00 2.72884e-01 540 2011 2 1.27991e+00 1.65458e-01 521 2011 3 5.84373e+00 4.93506e+00 702 2011 4 3.66095e+00 1.91070e+00 256 2011 5 4.00727e+00 2.11496e+00 256 2011 6 4.51458e+00 5.43992e+00 281 2011 7 2.44385e+00 1.91066e+00 759 2011 8 5.01546e+00 6.77198e+00 653 2011 9 2.43075e+00 1.82496e+00 428 2011 10 4.23367e+00 3.12795e+00 387 2011 11 8.85118e+00 1.32444e+01 712 2011 12 2.55226e+00 2.09976e+00 468 2012 1 2.00053e+00 3.85041e+00 698 2012 2 1.25169e+00 3.39672e-01 623 2012 3 5.43529e+00 8.16498e+00 772 2012 4 3.48290e+00 6.56722e+00 686 2012 5 3.70274e+00 2.63646e+00 404 2012 6 7.57845e+00 1.10679e+01 328 2012 7 2.32951e+00 1.92107e+00 750 2012 8 1.24620e+01 1.91454e+01 571 2012 9 4.78609e+00 6.77870e+00 882 2012 10 6.11831e+00 6.98413e+00 491 2012 11 2.19274e+00 1.60410e+00 547 2012 12 2.24727e+00 5.07377e-01 320 2013 1 1.92717e+00 6.69557e-01 704 2013 2 1.51890e+00 4.09292e-01 760 2013 3 2.01595e+00 4.91067e-01 279 2013 4 2.93303e+00 2.19796e+00 754 2013 5 2.63476e+00 1.28570e+00 426 2013 6 3.14694e+00 1.94157e+00 496 2013 7 2.38347e+00 1.60973e+00 442 2013 8 5.29794e+00 9.11584e+00 762 2013 9 4.66962e+00 5.30620e+00 1079 2013 10 4.38326e+00 2.64933e+00 573 2013 11 4.13661e+00 1.82688e+00 896 2013 12 1.03017e+00 4.11279e-01 413 2014 1 1.37781e+00 3.93402e-01 549 2014 2 1.08500e+00 2.40745e-01 656 2014 3 1.27470e+00 4.37796e-01 572 2014 4 4.23235e+00 4.51725e+00 460 2014 5 6.75745e+00 5.00072e+00 353 2014 6 5.48173e+00 7.00234e+00 583 2014 7 2.53706e+00 2.50448e+00 449 2014 8 7.00885e+00 1.37425e+01 880 2014 9 3.41805e+00 1.68397e+00 766 2014 10 2.77321e+00 2.10672e+00 592 2014 11 1.93704e+00 4.79611e-01 323 2014 12 5.79881e+00 4.90343e+00 243 2015 1 1.49682e+00 4.84804e-01 559 2015 2 1.80041e+00 5.73915e-01 459 2015 3 1.43484e+00 6.83634e-01 765 2015 4 9.90489e-01 5.10183e-01 510 2015 5 5.51393e+00 8.79094e+00 447 2015 6 1.47799e+00 4.27410e-01 430 2015 7 5.33081e+00 5.26687e+00 447 2015 8 1.76979e+00 9.84770e-01 875 2015 9 4.20721e+00 6.15033e+00 994 2015 10 5.88256e+00 5.26600e+00 689 2015 11 5.25893e+00 8.86146e+00 815 2015 12 2.42056e+00 2.83322e+00 528 2016 1 1.83331e+00 1.81415e-01 481 2016 2 1.99297e+00 3.35105e-01 537 2016 3 2.96405e+00 3.03806e+00 506 2016 4 4.59864e+00 5.32838e+00 718 2016 5 2.85332e+00 8.40410e-01 237 2016 6 2.12467e+00 8.41275e-01 666 2016 7 1.97112e+00 1.56741e+00 597 2016 8 4.32462e+00 1.05164e+01 785 2016 9 1.07571e+01 1.03635e+01 566 2016 10 3.42698e+00 1.50598e+00 576 2016 11 3.82013e+00 1.97353e+00 733 2016 12 5.96315e+00 7.04826e+00 448 2017 1 1.27404e+00 5.56147e-01 640 2017 2 1.40262e+00 4.25248e-01 477 2017 3 1.96801e+00 7.33989e-01 954 2017 4 2.22125e+00 1.10321e+00 512 2017 5 1.29517e+01 1.28856e+01 261 2017 6 9.25528e+00 1.79541e+01 626 2017 7 2.06071e+00 1.50887e+00 640 2017 8 2.57967e+00 1.36143e+00 660 2017 9 6.06241e+00 4.55768e+00 576 2017 10 1.00587e+01 1.18536e+01 678 2017 11 3.28903e+00 1.52067e+00 608 2017 12 1.10079e+00 4.98944e-01 454 2018 1 3.23446e+00 8.05731e+00 768 2018 2 1.77185e+00 9.55733e-01 512 2018 3 2.43851e+00 5.79066e-01 262 2018 4 3.71030e+00 2.23988e+00 576 2018 5 2.67389e+01 2.40860e+01 307 2018 6 5.93128e+00 7.49594e+00 451 2018 7 3.57912e+00 5.12672e+00 722 2018 8 5.05318e+00 4.83838e+00 488 2018 9 3.65962e+00 4.08124e+00 463 2018 10 3.83721e+00 2.01394e+00 640 2018 11 2.54935e+00 7.25536e-01 449 2018 12 1.81740e+00 7.80541e-01 773 2019 1 1.82243e+00 1.40445e+00 583 2019 2 1.43339e+00 5.50785e-01 530 2019 3 9.57981e-01 2.41393e-01 762 2019 4 6.58637e+00 8.99013e+00 512 2019 5 6.22726e+00 5.73574e+00 256 2019 6 5.84928e+00 5.92660e+00 546 2019 7 5.21734e+00 1.03728e+01 781 2019 8 5.13706e+00 4.83335e+00 464 2019 9 8.79748e+00 1.26849e+01 703 2019 10 5.65659e+00 1.15974e+00 245 2019 11 5.38780e+00 6.02907e+00 660 2019 12 1.52069e+00 2.41034e-01 519 2020 1 1.80371e+00 5.67423e-01 704 2020 2 2.43189e+00 2.62863e+00 683 2020 3 2.81133e+00 1.32240e+00 786 2020 4 4.52449e+00 2.22501e+00 303 2020 5 4.54024e+00 3.49419e+00 544 2020 6 2.12544e+00 3.55263e-01 487 2020 7 2.40523e+00 6.84714e-01 566 2020 8 2.21083e+00 2.56270e-01 320 2020 9 3.98102e+00 2.86590e+00 564 2020 10 5.73610e+00 9.03909e+00 640 2020 11 6.54544e+00 6.39723e+00 522 2020 12 5.74001e+00 5.06516e+00 385 2021 1 3.27127e+00 1.15476e+00 384 2021 2 1.85113e+00 4.59669e-01 422 2021 3 4.24730e+00 5.82730e+00 1074 2021 4 6.03873e+00 1.23358e+01 674 2021 5 7.24597e+00 1.03354e+01 544 2021 6 2.06279e+00 1.32480e+00 534 2021 7 9.16689e+00 5.46629e+00 252 2021 8 4.85983e+00 4.02221e+00 382 2021 9 8.37092e+00 1.34380e+01 768 2021 10 8.47719e+00 1.20302e+01 718 2021 11 1.37418e+01 1.65270e+01 869 2021 12 5.03378e+00 4.35757e+00 320 2022 1 1.55173e+00 6.51685e-01 492 2022 2 9.49416e-01 1.84847e-01 733 2022 3 3.41804e+00 5.58124e+00 578 2022 4 6.76965e+00 4.44029e+00 252 2022 5 5.99322e+00 7.76588e+00 220 2022 6 2.80142e+00 8.49734e+00 580 2022 7 3.33021e+00 9.26015e+00 1001 2022 8 3.85844e+00 5.20316e+00 820 2022 9 5.35189e+00 5.46981e+00 828 2022 10 9.41750e+00 9.74491e+00 728 2022 11 1.93983e+00 1.30346e+00 916 2022 12 3.79077e+00 9.48129e+00 588 2023 1 1.81796e+00 1.49975e+00 334 2023 2 2.95172e+00 5.27652e+00 345 2023 3 1.02767e+00 5.26127e-01 467 2023 4 2.83073e+00 3.86578e+00 573 2023 5 6.79889e+00 1.03767e+01 454 2023 6 2.80623e+00 2.57923e+00 380 2023 7 1.16975e+01 1.98482e+01 640 2023 8 4.03589e+00 5.84413e+00 635 2023 9 8.05708e+00 1.33571e+01 649 2023 10 3.96684e+00 5.77293e+00 660 2023 11 1.25683e+01 1.41000e+01 761 2023 12 4.37440e+00 3.71640e+00 325 2024 1 3.70607e+00 2.40300e+00 532 2024 2 4.29993e+00 6.42916e+00 947 2024 3 3.54016e+00 2.59460e+00 592 2024 4 nan nan 0