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 2.51039e+01 3.27191e+00 150 2002 8 2.83959e+01 1.30386e+01 448 2002 9 2.08430e+01 8.78352e+00 384 2002 10 2.04150e+01 8.48824e+00 705 2002 11 1.41973e+01 8.49143e+00 839 2002 12 1.70080e+01 1.18100e+01 602 2003 1 1.16645e+01 7.20006e+00 768 2003 2 1.38138e+01 8.60508e+00 484 2003 3 9.88441e-01 2.05629e+00 37 2003 4 nan nan 0 2003 5 1.13868e+01 1.00426e+01 256 2003 6 6.16159e+00 8.47525e+00 312 2003 7 1.73994e+01 1.28895e+01 74 2003 8 1.81138e+01 2.57256e+01 272 2003 9 2.53609e+01 1.22275e+01 368 2003 10 1.53547e+01 1.46680e+01 864 2003 11 1.12042e+01 7.73088e+00 848 2003 12 1.74841e+01 1.09819e+01 865 2004 1 1.20587e+01 7.94825e+00 832 2004 2 1.62840e+01 7.37264e+00 406 2004 3 6.19186e+00 5.51419e+00 704 2004 4 1.44546e+01 8.78071e+00 408 2004 5 2.50799e+01 7.34080e+00 636 2004 6 2.78828e+01 1.09960e+01 495 2004 7 1.69646e+01 7.38020e+00 384 2004 8 1.64725e+01 6.92241e+00 370 2004 9 9.92279e+00 1.49089e+01 228 2004 10 8.08963e+00 9.74756e+00 119 2004 11 1.86455e+00 1.85801e+00 123 2004 12 5.52297e+00 1.29117e+01 487 2005 1 4.07561e+00 3.90561e+00 704 2005 2 4.00504e+00 4.65528e+00 635 2005 3 9.35313e+00 7.67627e+00 514 2005 4 1.99030e+01 3.20836e+01 266 2005 5 3.23963e+01 8.02211e+00 31 2005 6 1.94358e+01 1.53130e+01 256 2005 7 9.47914e+00 1.07844e+01 374 2005 8 1.94923e+00 1.78354e+00 191 2005 9 2.38627e+01 1.78100e+01 374 2005 10 2.04642e+01 1.28229e+01 1009 2005 11 1.33766e+01 9.29405e+00 1026 2005 12 8.58371e+00 7.55600e+00 1088 2006 1 5.08142e+00 9.42922e+00 655 2006 2 2.47709e+00 4.40831e+00 476 2006 3 7.02603e+00 1.17279e+01 976 2006 4 8.83922e+00 7.61022e+00 430 2006 5 2.19674e+01 1.20027e+01 409 2006 6 2.05157e+01 7.89027e+00 357 2006 7 1.76631e+01 6.59822e+00 323 2006 8 1.95666e+01 4.45495e+00 369 2006 9 2.10904e+01 8.90461e+00 776 2006 10 2.45331e+01 1.00095e+01 918 2006 11 1.93272e+01 1.10313e+01 896 2006 12 2.86268e+01 7.43865e+00 516 2007 1 2.46494e+01 1.40310e+01 341 2007 2 2.73970e+01 1.26489e+01 753 2007 3 2.36468e+01 1.05843e+01 1052 2007 4 2.63073e+01 1.13883e+01 576 2007 5 3.28269e+01 3.34882e+00 130 2007 6 2.83171e+01 7.66538e+00 383 2007 7 2.55113e+01 6.67999e+00 450 2007 8 2.01320e+01 9.65114e+00 563 2007 9 2.29280e+01 5.10982e+00 403 2007 10 2.02728e+01 1.03803e+01 715 2007 11 2.46130e+01 1.25460e+01 1088 2007 12 2.05233e+01 1.23806e+01 801 2008 1 2.46989e+01 1.55320e+01 576 2008 2 1.71752e+01 6.86813e+00 721 2008 3 7.59622e+00 8.84295e+00 565 2008 4 1.70084e+01 1.98952e+01 452 2008 5 8.39936e+00 9.52700e+00 448 2008 6 1.52137e+01 4.68317e+00 448 2008 7 2.21701e+01 1.04635e+01 445 2008 8 2.18197e+01 6.97646e+00 192 2008 9 1.65779e+01 1.25652e+01 531 2008 10 1.10797e+01 8.55794e+00 908 2008 11 2.32278e+01 1.08959e+01 1024 2008 12 5.94126e+00 5.74576e+00 897 2009 1 1.34136e+01 1.21604e+01 749 2009 2 1.56565e+01 9.69268e+00 996 2009 3 2.14863e+01 9.09429e+00 926 2009 4 1.01925e+01 9.60560e+00 383 2009 5 1.10073e+01 9.58386e+00 140 2009 6 3.12681e+01 6.87500e+00 251 2009 7 1.91849e+01 2.32321e+01 188 2009 8 1.85671e+01 2.02263e+01 639 2009 9 1.78880e+01 1.46576e+01 763 2009 10 1.80042e+01 9.78223e+00 958 2009 11 2.01892e+01 1.06135e+01 723 2009 12 1.81819e+01 1.04881e+01 285 2010 1 9.46495e+00 7.48312e+00 896 2010 2 4.94933e+00 3.13577e+00 812 2010 3 2.01075e+00 2.02624e+00 895 2010 4 4.29513e+00 4.93330e+00 253 2010 5 1.47972e+01 9.41681e+00 490 2010 6 1.95287e+01 1.22685e+01 576 2010 7 1.43915e+01 9.40917e+00 287 2010 8 1.46547e+01 8.74926e+00 149 2010 9 1.89065e+01 1.48201e+01 600 2010 10 2.04099e+01 9.53746e+00 1536 2010 11 1.96138e+01 8.89524e+00 1223 2010 12 1.99907e+01 1.25086e+01 959 2011 1 2.29666e+01 1.53189e+01 596 2011 2 3.15562e+01 9.08048e+00 808 2011 3 2.73573e+01 9.86665e+00 773 2011 4 2.01567e+01 8.35426e+00 832 2011 5 2.63443e+01 9.04653e+00 808 2011 6 2.40266e+01 1.10934e+01 256 2011 7 2.71943e+01 4.84308e+00 450 2011 8 3.09211e+01 1.03345e+01 384 2011 9 2.52395e+01 9.07582e+00 728 2011 10 2.46476e+01 1.27944e+01 1084 2011 11 2.31081e+01 1.18639e+01 1060 2011 12 3.01888e+01 1.02366e+01 843 2012 1 3.18868e+01 1.52053e+01 930 2012 2 3.22245e+01 1.41007e+01 192 2012 3 3.00752e+01 1.47565e+01 832 2012 4 2.76259e+01 8.74431e+00 768 2012 5 3.01849e+01 8.58974e+00 359 2012 6 2.21732e+01 4.87833e+00 150 2012 7 1.48316e+01 4.08627e+00 110 2012 8 1.21697e+01 1.55709e+01 332 2012 9 1.30698e+01 1.70988e+01 432 2012 10 2.77872e+00 1.61869e+00 424 2012 11 1.58498e+01 6.92336e+00 849 2012 12 8.74107e+00 7.61509e+00 702 2013 1 1.66042e+01 1.25104e+01 716 2013 2 1.42069e+01 5.72926e+00 441 2013 3 1.67902e+01 1.10908e+01 655 2013 4 1.19849e+01 2.70754e+01 356 2013 5 2.26990e+01 1.96616e+01 342 2013 6 1.16805e+01 2.03573e+01 388 2013 7 2.99257e-01 3.73057e-01 81 2013 8 1.59252e+01 2.20764e+01 186 2013 9 1.10593e+00 4.42074e+00 205 2013 10 1.46281e+01 1.28184e+01 817 2013 11 9.26569e+00 1.27465e+01 481 2013 12 1.34150e+01 7.73807e+00 768 2014 1 8.10920e+00 5.48081e+00 458 2014 2 8.13686e+00 6.90427e+00 704 2014 3 7.85181e+00 8.95382e+00 493 2014 4 5.65802e-01 8.24093e-01 157 2014 5 1.13435e+00 1.06328e+00 128 2014 6 1.06150e+01 1.38726e+01 178 2014 7 6.52258e+00 6.29817e+00 482 2014 8 1.88723e+01 7.64835e+00 444 2014 9 3.34482e+01 2.32190e+01 332 2014 10 9.38889e+00 9.31987e+00 1016 2014 11 1.63488e+01 8.91304e+00 938 2014 12 2.40425e+01 1.35244e+01 598 2015 1 1.14898e+01 1.04018e+01 788 2015 2 1.27223e+01 1.26370e+01 761 2015 3 3.65881e+00 3.12307e+00 324 2015 4 1.12926e+01 2.76787e+00 103 2015 5 1.83769e+01 1.15527e+01 594 2015 6 2.44403e+01 9.97889e+00 317 2015 7 1.94719e+01 9.19809e+00 157 2015 8 9.61003e+00 1.04380e+01 340 2015 9 1.19813e+01 7.14719e+00 201 2015 10 1.64144e+01 9.09054e+00 829 2015 11 1.13112e+01 6.98051e+00 847 2015 12 1.70908e+01 1.03411e+01 601 2016 1 1.29164e+01 1.01329e+01 502 2016 2 7.44536e+00 8.78818e+00 1024 2016 3 6.26169e+00 4.24802e+00 768 2016 4 1.79952e+01 2.29116e+01 411 2016 5 1.17376e+01 9.28294e+00 640 2016 6 2.42450e+01 9.87775e+00 489 2016 7 1.84030e+01 7.42536e+00 768 2016 8 2.42746e+01 1.73441e+01 597 2016 9 8.98899e+00 7.40139e+00 641 2016 10 1.70534e+01 1.05933e+01 956 2016 11 2.15019e+01 9.99535e+00 940 2016 12 2.15428e+01 9.43702e+00 768 2017 1 1.80347e+01 1.22941e+01 642 2017 2 5.86692e+00 5.38721e+00 960 2017 3 1.78432e+01 1.44311e+01 909 2017 4 2.47134e+01 7.74113e+00 799 2017 5 2.91325e+01 6.82418e+00 558 2017 6 2.81374e+01 1.24721e+01 231 2017 7 1.56933e+01 6.76743e+00 141 2017 8 1.49958e+01 1.57351e+01 606 2017 9 1.28311e+01 1.41880e+01 347 2017 10 1.81395e+00 2.06689e+00 318 2017 11 1.12381e+01 1.03662e+01 1128 2017 12 1.60646e+01 9.93437e+00 578 2018 1 1.72044e+01 7.93577e+00 720 2018 2 1.76167e+01 1.23685e+01 574 2018 3 1.98912e+01 1.12443e+01 881 2018 4 1.73374e+01 8.78019e+00 640 2018 5 2.40334e+01 9.81999e+00 437 2018 6 2.25991e+01 5.84497e+00 256 2018 7 3.36516e+01 3.24149e+01 89 2018 8 1.85882e+01 2.24052e+01 205 2018 9 2.77424e+01 2.27066e+01 770 2018 10 1.38079e+01 1.26303e+01 960 2018 11 5.29233e+00 5.64881e+00 381 2018 12 1.21141e+01 1.55155e+01 489 2019 1 1.31133e+00 1.32578e+00 303 2019 2 5.26392e+00 1.39708e+01 153 2019 3 1.10211e+01 1.29570e+01 685 2019 4 9.49126e+00 7.93983e+00 383 2019 5 1.69129e+01 8.59031e+00 643 2019 6 2.73815e+01 3.73945e+00 128 2019 7 3.72490e+01 7.19291e+00 192 2019 8 1.43016e+01 1.63551e+01 470 2019 9 1.91614e+01 9.39446e+00 746 2019 10 1.28332e+01 6.49224e+00 729 2019 11 1.72298e+01 7.76407e+00 704 2019 12 1.21141e+01 1.03200e+01 578 2020 1 1.61029e+01 8.45950e+00 782 2020 2 1.23851e+01 8.38918e+00 502 2020 3 1.28342e+01 1.50171e+01 664 2020 4 8.49677e+00 9.09124e+00 411 2020 5 9.27848e+00 9.19953e+00 684 2020 6 1.26380e+01 8.78111e+00 381 2020 7 2.30432e+01 1.25272e+01 222 2020 8 6.95755e+00 4.07816e+00 256 2020 9 1.86047e+01 1.35006e+01 254 2020 10 9.06003e+00 9.59623e+00 627 2020 11 4.68909e+00 3.80989e+00 894 2020 12 9.65556e+00 8.63716e+00 771 2021 1 9.94135e+00 9.49648e+00 369 2021 2 3.59541e+00 6.31330e+00 663 2021 3 5.08563e-01 1.15266e+00 192 2021 4 4.16486e+00 8.70532e+00 430 2021 5 8.04040e+00 6.06506e+00 586 2021 6 3.28420e+01 1.83695e+01 193 2021 7 2.43783e+01 2.63693e+01 166 2021 8 4.86654e+01 4.34322e+01 115 2021 9 1.19607e+01 1.06025e+01 111 2021 10 2.30761e+01 2.34965e+01 425 2021 11 1.01573e+01 1.01310e+01 988 2021 12 9.05543e+00 1.24261e+01 745 2022 1 5.21870e+00 3.18643e+00 790 2022 2 1.21942e+01 1.03721e+01 1014 2022 3 1.32910e+01 7.01160e+00 826 2022 4 nan nan 0 2022 5 1.45563e+01 1.27673e+01 333 2022 6 2.16181e+01 1.14490e+01 415 2022 7 2.53582e+01 1.25055e+01 402 2022 8 2.39273e+01 1.68532e+01 508 2022 9 1.44546e+01 1.03034e+01 168 2022 10 2.21571e+01 9.68550e+00 1157 2022 11 1.88258e+01 9.69272e+00 540 2022 12 1.78858e+01 1.13511e+01 706 2023 1 2.54888e+01 9.93765e+00 895 2023 2 1.99353e+01 8.56327e+00 593 2023 3 1.40270e+01 1.10508e+01 760 2023 4 2.25577e+01 1.80978e+01 384 2023 5 2.29592e+01 1.34541e+01 290 2023 6 2.37449e+01 6.10727e+00 320 2023 7 1.95230e+01 1.28238e+01 540 2023 8 2.00069e+01 2.15849e+01 302 2023 9 9.57076e+00 1.26932e+01 569 2023 10 1.48872e+01 1.25765e+01 644 2023 11 1.80019e+01 9.34223e+00 765 2023 12 8.38636e+00 8.05535e+00 311 2024 1 1.08873e+00 1.85652e+00 323 2024 2 4.65682e+00 7.16292e+00 643 2024 3 9.67697e+00 1.15853e+01 511 2024 4 nan nan 0