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 1.82046e+01 4.25190e+00 298 2002 8 1.81629e+01 7.01025e+00 522 2002 9 1.31693e+01 9.41292e+00 547 2002 10 1.25084e+01 5.00167e+00 887 2002 11 1.34704e+01 5.26439e+00 842 2002 12 7.78698e+00 4.69902e+00 768 2003 1 4.50145e+00 3.05548e+00 1023 2003 2 1.24887e+01 4.65351e+00 638 2003 3 1.21089e-01 1.37096e-01 128 2003 4 5.63017e+00 1.11935e+01 231 2003 5 5.28906e-01 3.69631e-01 85 2003 6 1.59969e+01 1.47957e+01 320 2003 7 4.48489e+00 1.89269e+00 192 2003 8 1.11655e+01 1.18682e+01 422 2003 9 1.34502e+01 6.78770e+00 552 2003 10 1.21193e+01 9.64653e+00 825 2003 11 1.12138e+01 4.87252e+00 1021 2003 12 7.86311e+00 3.63745e+00 832 2004 1 9.52607e+00 5.01593e+00 875 2004 2 1.10504e+01 5.91558e+00 234 2004 3 6.02823e+00 4.66036e+00 966 2004 4 7.93025e+00 4.37581e+00 555 2004 5 1.25555e+01 6.56877e+00 832 2004 6 1.12255e+01 6.28789e+00 538 2004 7 4.68661e+00 3.09926e+00 333 2004 8 1.56458e+01 1.04255e+01 536 2004 9 4.91628e+00 6.48687e+00 322 2004 10 3.47910e-02 2.12783e-01 213 2004 11 4.33587e+00 8.69819e+00 510 2004 12 4.87340e-01 9.90463e-01 570 2005 1 3.70740e+00 4.20922e+00 770 2005 2 2.34522e+00 1.92730e+00 469 2005 3 4.49439e+00 2.70453e+00 576 2005 4 9.79349e+00 1.19731e+01 341 2005 5 2.15650e+01 1.25097e+01 476 2005 6 1.25210e+01 1.19047e+01 386 2005 7 8.51776e+00 1.21681e+01 415 2005 8 2.35885e+01 7.11501e+00 132 2005 9 5.96973e+00 5.23103e+00 434 2005 10 9.77683e+00 6.64451e+00 1122 2005 11 1.10978e+01 3.77070e+00 1088 2005 12 1.16303e+01 4.72933e+00 1058 2006 1 6.82365e+00 4.02125e+00 756 2006 2 4.78323e+00 3.99440e+00 719 2006 3 4.70565e+00 6.23567e+00 806 2006 4 2.81118e+00 2.85763e+00 317 2006 5 1.41153e+01 9.42213e+00 765 2006 6 1.42355e+01 8.04182e+00 377 2006 7 1.35065e+01 9.74362e+00 583 2006 8 1.46144e+01 6.40335e+00 365 2006 9 1.17616e+01 6.24724e+00 704 2006 10 1.23742e+01 4.71465e+00 899 2006 11 1.55298e+01 4.96657e+00 1021 2006 12 1.36264e+01 7.28700e+00 576 2007 1 1.77608e+01 5.97867e+00 449 2007 2 1.84302e+01 7.28961e+00 832 2007 3 1.57150e+01 5.85930e+00 1146 2007 4 1.46557e+01 5.97815e+00 759 2007 5 2.11119e+01 4.45562e+00 350 2007 6 1.77964e+01 3.69264e+00 574 2007 7 1.25691e+01 3.66856e+00 435 2007 8 1.48156e+01 6.76111e+00 629 2007 9 1.16612e+01 3.58844e+00 479 2007 10 2.00416e+01 3.64339e+00 753 2007 11 2.30310e+01 3.75480e+00 1214 2007 12 2.10164e+01 7.65159e+00 895 2008 1 2.06460e+01 7.08450e+00 830 2008 2 2.01559e+01 6.13825e+00 1024 2008 3 1.12167e+01 1.03781e+01 963 2008 4 6.51801e+00 9.75204e+00 686 2008 5 7.27266e+00 8.14898e+00 629 2008 6 9.93153e+00 3.27831e+00 295 2008 7 1.31457e+01 8.88874e+00 434 2008 8 1.19821e+01 2.22134e+00 320 2008 9 8.95794e+00 7.28849e+00 811 2008 10 7.58961e+00 4.71344e+00 1084 2008 11 1.06268e+01 4.64473e+00 1052 2008 12 5.13495e+00 3.50013e+00 879 2009 1 8.40651e+00 7.19397e+00 768 2009 2 7.64680e+00 2.66378e+00 1024 2009 3 1.46602e+01 4.24215e+00 976 2009 4 8.07722e+00 6.36425e+00 511 2009 5 5.03943e+00 4.41237e+00 296 2009 6 1.40190e+01 9.68548e+00 576 2009 7 1.46909e+01 8.45102e+00 409 2009 8 1.37346e+01 8.34685e+00 604 2009 9 1.64339e+01 9.97181e+00 745 2009 10 1.31245e+01 4.59835e+00 899 2009 11 1.16122e+01 5.36351e+00 758 2009 12 1.15136e+01 5.90684e+00 263 2010 1 2.83098e+00 2.76323e+00 896 2010 2 3.28849e+00 5.56928e+00 704 2010 3 1.68883e+00 2.95064e+00 954 2010 4 1.37414e+00 2.44202e+00 454 2010 5 8.09081e+00 1.10802e+01 620 2010 6 1.27742e+01 5.19223e+00 562 2010 7 1.24093e+01 8.17086e+00 384 2010 8 1.25751e+01 7.99600e+00 441 2010 9 9.47147e+00 6.65827e+00 599 2010 10 1.15598e+01 6.16742e+00 1557 2010 11 1.69830e+01 4.46946e+00 1261 2010 12 1.56789e+01 7.07317e+00 1096 2011 1 1.69098e+01 3.74333e+00 815 2011 2 1.49068e+01 4.43339e+00 832 2011 3 1.54667e+01 4.35102e+00 869 2011 4 1.61836e+01 5.66293e+00 1064 2011 5 1.41371e+01 5.53657e+00 782 2011 6 1.67223e+01 3.04607e+00 256 2011 7 1.45776e+01 6.31710e+00 458 2011 8 1.65481e+01 7.14821e+00 705 2011 9 1.58089e+01 6.47042e+00 759 2011 10 1.93750e+01 6.11281e+00 1145 2011 11 2.47616e+01 4.82741e+00 1081 2011 12 2.44460e+01 5.17790e+00 968 2012 1 2.12098e+01 6.82914e+00 1280 2012 2 2.34273e+01 3.84547e+00 378 2012 3 2.13397e+01 5.16846e+00 857 2012 4 1.76991e+01 4.96596e+00 959 2012 5 1.66908e+01 4.48691e+00 493 2012 6 1.72844e+01 9.11559e+00 380 2012 7 8.71928e+00 8.88097e+00 434 2012 8 1.23646e+01 1.07978e+01 155 2012 9 7.60990e+00 9.11472e+00 477 2012 10 6.72097e+00 7.47405e+00 852 2012 11 6.22304e+00 4.73939e+00 1062 2012 12 5.01518e+00 3.14401e+00 772 2013 1 1.15476e+01 7.82052e+00 704 2013 2 1.40344e+01 5.11500e+00 640 2013 3 7.70507e+00 6.26362e+00 822 2013 4 1.16846e+01 1.10904e+01 323 2013 5 6.79515e+00 5.03748e+00 572 2013 6 1.38786e+01 1.25761e+01 416 2013 7 7.28642e+00 2.60309e+00 125 2013 8 1.43356e+01 1.69055e+01 280 2013 9 1.40039e+01 1.62420e+01 621 2013 10 1.39042e+01 1.24472e+01 895 2013 11 6.69654e+00 4.89963e+00 576 2013 12 1.60375e+01 7.52735e+00 635 2014 1 1.25825e+01 3.77044e+00 576 2014 2 4.11408e+00 2.51761e+00 640 2014 3 2.92857e+00 3.88636e+00 615 2014 4 2.95878e+00 2.68735e+00 308 2014 5 1.80300e+01 1.46574e+01 212 2014 6 1.89118e+01 2.14117e+01 286 2014 7 8.85219e+00 8.69178e+00 576 2014 8 1.42390e+01 6.24608e+00 395 2014 9 1.80539e+01 9.70109e+00 648 2014 10 9.16364e+00 6.59524e+00 1360 2014 11 1.32948e+01 4.16663e+00 946 2014 12 1.77453e+01 7.07397e+00 792 2015 1 1.74814e+01 8.47300e+00 804 2015 2 1.39965e+01 8.93759e+00 823 2015 3 4.32022e+00 4.89755e+00 440 2015 4 4.22379e+00 3.15010e+00 189 2015 5 6.95695e+00 8.57984e+00 858 2015 6 1.44571e+01 6.67706e+00 525 2015 7 8.81142e+00 1.15685e+01 294 2015 8 8.66591e+00 4.11453e+00 445 2015 9 9.81286e+00 6.85468e+00 380 2015 10 9.31482e+00 4.70965e+00 901 2015 11 9.67163e+00 5.71420e+00 757 2015 12 1.33688e+01 5.40560e+00 536 2016 1 1.22294e+01 5.28484e+00 701 2016 2 6.64409e+00 5.59440e+00 1173 2016 3 4.69283e+00 3.10853e+00 698 2016 4 9.42499e+00 1.16468e+01 488 2016 5 5.75650e+00 5.11194e+00 763 2016 6 8.95549e+00 5.36325e+00 545 2016 7 8.61226e+00 6.69316e+00 852 2016 8 1.20979e+01 7.16494e+00 739 2016 9 7.97003e+00 8.36706e+00 882 2016 10 1.60484e+01 5.20472e+00 931 2016 11 1.82834e+01 5.25764e+00 883 2016 12 2.09856e+01 4.17494e+00 746 2017 1 2.08586e+01 6.51111e+00 768 2017 2 1.23075e+01 4.72014e+00 1082 2017 3 1.24243e+01 6.09103e+00 1260 2017 4 9.66839e+00 3.78275e+00 886 2017 5 9.02952e+00 3.84724e+00 501 2017 6 1.61383e+01 6.59844e+00 386 2017 7 1.71134e+01 6.88757e+00 192 2017 8 1.24642e+01 9.58479e+00 508 2017 9 7.80647e+00 5.37304e+00 702 2017 10 2.32743e+00 4.83175e+00 715 2017 11 1.30310e+01 7.45830e+00 1052 2017 12 1.50591e+01 5.94176e+00 768 2018 1 1.57664e+01 4.25562e+00 752 2018 2 1.69168e+01 6.85601e+00 563 2018 3 1.37130e+01 5.38258e+00 878 2018 4 8.02433e+00 6.34801e+00 576 2018 5 1.06211e+01 7.11158e+00 564 2018 6 7.92147e+00 4.79908e+00 321 2018 7 2.03858e+01 1.68179e+01 236 2018 8 1.31887e+01 1.03804e+01 384 2018 9 1.86187e+01 1.33710e+01 934 2018 10 1.15481e+01 1.00367e+01 1024 2018 11 6.50758e+00 5.98718e+00 355 2018 12 3.34482e+00 3.07477e+00 660 2019 1 2.97562e+00 6.82851e+00 669 2019 2 9.41861e+00 1.15526e+01 383 2019 3 4.47265e+00 6.10150e+00 674 2019 4 1.58693e+00 1.37109e+00 347 2019 5 7.87229e+00 5.72907e+00 886 2019 6 1.62226e+01 5.50091e+00 254 2019 7 1.31965e+01 4.39309e+00 447 2019 8 1.14015e+01 1.01580e+01 561 2019 9 1.45881e+01 6.03057e+00 911 2019 10 1.09052e+01 6.30360e+00 793 2019 11 1.53360e+01 5.44002e+00 776 2019 12 1.07499e+01 5.53309e+00 657 2020 1 1.29004e+01 5.39510e+00 594 2020 2 1.34315e+01 6.06915e+00 644 2020 3 1.01364e+01 6.98308e+00 688 2020 4 4.91604e+00 2.42423e+00 660 2020 5 9.05304e+00 4.19537e+00 603 2020 6 9.05847e+00 5.85655e+00 658 2020 7 1.44139e+01 1.21200e+01 446 2020 8 7.11108e+00 5.46741e+00 216 2020 9 1.17481e+01 1.64776e+01 514 2020 10 7.47053e+00 9.96985e+00 880 2020 11 6.21197e+00 7.45991e+00 962 2020 12 6.87073e+00 4.80859e+00 659 2021 1 2.79611e+00 2.52309e+00 579 2021 2 1.54211e+00 1.38036e+00 502 2021 3 9.43832e-01 1.94513e+00 599 2021 4 2.90688e-01 5.81778e-01 520 2021 5 4.87020e+00 7.63431e+00 612 2021 6 1.77654e+01 1.50713e+01 250 2021 7 7.98678e+00 6.98943e+00 283 2021 8 1.55772e+01 2.25920e+01 256 2021 9 6.45727e+00 1.13832e+01 468 2021 10 7.19705e+00 1.04195e+01 789 2021 11 1.34686e+00 2.19603e+00 829 2021 12 4.78561e+00 9.24566e+00 567 2022 1 2.14542e+00 2.41033e+00 991 2022 2 4.40661e+00 3.01877e+00 828 2022 3 4.26681e+00 3.19042e+00 830 2022 4 9.17650e+00 9.56040e+00 142 2022 5 1.06980e+01 1.23215e+01 616 2022 6 1.19481e+01 5.24056e+00 489 2022 7 1.44095e+01 1.23868e+01 271 2022 8 1.75672e+01 6.73191e+00 463 2022 9 1.75957e+01 1.24234e+01 444 2022 10 1.03385e+01 5.24540e+00 1321 2022 11 1.46768e+01 5.26921e+00 512 2022 12 1.42645e+01 6.23976e+00 990 2023 1 1.44087e+01 4.60532e+00 884 2023 2 1.50615e+01 4.75875e+00 640 2023 3 1.17962e+01 5.50841e+00 828 2023 4 1.51563e+01 6.60774e+00 405 2023 5 1.50354e+01 7.62299e+00 512 2023 6 2.09694e+01 5.67800e+00 276 2023 7 1.59886e+01 4.25010e+00 512 2023 8 1.26681e+01 1.03022e+01 542 2023 9 7.73193e+00 6.59930e+00 541 2023 10 9.73417e+00 5.75949e+00 779 2023 11 1.11514e+01 6.12730e+00 711 2023 12 9.05499e+00 6.04154e+00 368 2024 1 3.16233e+00 3.05591e+00 578 2024 2 4.09339e+00 4.22594e+00 513 2024 3 4.35186e+00 5.15296e+00 223 2024 4 nan nan 0