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 2.61271e+01 2.37865e+00 103 2002 8 2.03540e+01 4.42142e+00 640 2002 9 1.39026e+01 5.94467e+00 654 2002 10 8.54033e+00 3.04400e+00 960 2002 11 5.95469e+00 3.92289e+00 567 2002 12 3.15134e+00 2.89755e+00 696 2003 1 7.59059e+00 4.48622e+00 843 2003 2 8.85808e+00 2.94842e+00 521 2003 3 8.78358e+00 3.40028e+00 256 2003 4 1.25320e+01 4.98942e+00 839 2003 5 2.43563e+01 3.01970e+00 610 2003 6 3.01053e+01 8.01500e+00 317 2003 7 2.71598e+01 9.20368e-01 266 2003 8 2.32684e+01 6.08606e+00 576 2003 9 1.65082e+01 6.47351e+00 411 2003 10 1.44869e+01 4.24563e+00 719 2003 11 9.35693e+00 6.66026e+00 998 2003 12 4.67039e+00 3.79927e+00 614 2004 1 1.43685e+01 3.28381e+00 960 2004 2 1.14942e+01 5.19511e+00 427 2004 3 2.40459e+01 3.10024e+00 981 2004 4 1.73678e+01 6.80728e+00 704 2004 5 2.80323e+01 5.44452e+00 876 2004 6 3.13658e+01 4.16171e+00 682 2004 7 2.53989e+01 8.09431e+00 491 2004 8 2.53623e+01 2.69861e+00 478 2004 9 9.32425e+00 9.11912e+00 537 2004 10 8.74813e+00 3.15227e+00 1073 2004 11 1.09496e+01 3.80447e+00 758 2004 12 5.02979e+00 4.81452e+00 386 2005 1 3.69187e+00 5.91721e+00 641 2005 2 1.29077e+01 5.63499e+00 742 2005 3 8.65106e+00 5.59254e+00 527 2005 4 1.50841e+01 4.39970e+00 817 2005 5 2.62572e+01 4.31623e+00 768 2005 6 2.21182e+01 3.49359e+00 268 2005 7 1.10229e+01 4.56107e+00 603 2005 8 9.54129e+00 2.06595e+00 548 2005 9 4.03961e+00 2.42123e+00 362 2005 10 1.19802e+00 1.07039e+00 768 2005 11 7.89946e-01 7.30291e-01 917 2005 12 3.17806e+00 1.43283e+00 832 2006 1 6.24635e+00 3.56528e+00 790 2006 2 1.04370e+01 6.42218e+00 752 2006 3 1.77725e+01 1.74681e+00 1152 2006 4 2.95445e+01 2.04420e+00 1086 2006 5 2.96457e+01 2.89963e+00 768 2006 6 2.77970e+01 6.59086e+00 757 2006 7 2.98690e+01 3.55073e+00 393 2006 8 2.67216e+01 1.98904e+00 314 2006 9 1.06667e+01 4.94501e+00 429 2006 10 1.15070e+01 2.33541e+00 1102 2006 11 1.24433e+01 5.64003e+00 928 2006 12 8.94794e+00 5.21687e+00 473 2007 1 1.53237e+01 4.92232e+00 568 2007 2 1.51034e+01 6.29575e+00 512 2007 3 2.47689e+01 4.34101e+00 977 2007 4 2.03236e+01 8.42182e+00 1023 2007 5 2.62463e+01 4.22894e+00 665 2007 6 2.98253e+01 4.38190e+00 512 2007 7 2.57087e+01 4.37641e+00 514 2007 8 2.72113e+01 3.22330e+00 700 2007 9 1.84976e+01 5.15091e+00 683 2007 10 1.01630e+01 4.88098e+00 896 2007 11 1.37926e+01 3.97198e+00 1146 2007 12 1.49029e+01 6.28558e+00 1040 2008 1 1.07354e+01 6.44146e+00 480 2008 2 2.05028e+01 5.82285e+00 939 2008 3 1.27687e+01 6.81146e+00 704 2008 4 2.36529e+01 3.30554e+00 708 2008 5 2.16695e+01 4.92184e+00 711 2008 6 3.16989e+01 2.79101e+00 768 2008 7 2.81134e+01 5.60672e+00 422 2008 8 2.60008e+01 5.70687e+00 323 2008 9 1.04929e+01 4.45765e+00 603 2008 10 1.12239e+01 4.24435e+00 902 2008 11 7.52445e+00 2.59732e+00 889 2008 12 7.39499e+00 5.75633e+00 1028 2009 1 9.33223e+00 5.00891e+00 768 2009 2 1.97484e+01 7.39427e+00 960 2009 3 1.61518e+01 7.11033e+00 1059 2009 4 2.05076e+01 3.93228e+00 692 2009 5 2.42914e+01 4.94682e+00 740 2009 6 2.88506e+01 3.38227e+00 367 2009 7 2.94162e+01 2.87430e+00 335 2009 8 2.67115e+01 4.19783e+00 702 2009 9 2.15855e+01 1.63501e+00 586 2009 10 1.53101e+01 5.80104e+00 888 2009 11 7.08039e+00 3.95120e+00 467 2009 12 2.08104e+00 1.29710e+00 195 2010 1 1.03589e+01 3.54886e+00 647 2010 2 9.07706e+00 5.22200e+00 465 2010 3 6.98022e+00 4.15774e+00 775 2010 4 1.49526e+01 5.06595e+00 920 2010 5 2.87624e+01 2.49484e+00 637 2010 6 2.98272e+01 1.80656e+00 749 2010 7 2.94095e+01 4.03708e+00 512 2010 8 2.69275e+01 2.61553e+00 512 2010 9 2.32199e+01 2.38670e+00 640 2010 10 1.92642e+01 2.24543e+00 1375 2010 11 1.27009e+01 3.33919e+00 1280 2010 12 3.87334e+00 3.52963e+00 1024 2011 1 1.20056e+01 3.26943e+00 641 2011 2 1.41145e+01 4.47857e+00 779 2011 3 1.91705e+01 3.29388e+00 1113 2011 4 2.35993e+01 4.13849e+00 1046 2011 5 7.91931e+00 3.54258e+00 1033 2011 6 2.28258e+01 6.64538e+00 640 2011 7 3.07841e+01 1.66916e+00 315 2011 8 2.60219e+01 5.19559e+00 408 2011 9 1.64644e+01 6.34594e+00 574 2011 10 1.09272e+01 4.83812e+00 896 2011 11 1.20483e+01 3.25007e+00 1215 2011 12 5.85347e+00 4.17858e+00 809 2012 1 1.14485e+01 5.51181e+00 1088 2012 2 1.55895e+01 6.00271e+00 402 2012 3 2.44338e+01 7.47178e+00 1239 2012 4 2.02762e+01 5.95868e+00 784 2012 5 2.69542e+01 1.33648e+00 662 2012 6 2.00758e+01 1.48035e+01 320 2012 7 2.09065e+01 5.04590e+00 338 2012 8 2.93577e+01 4.04010e+00 360 2012 9 2.08624e+01 3.13841e+00 320 2012 10 1.93794e+01 8.62914e+00 810 2012 11 7.68570e+00 2.62104e+00 982 2012 12 4.09152e+00 2.78821e+00 702 2013 1 8.87955e+00 5.73091e+00 960 2013 2 1.33182e+01 6.46988e+00 845 2013 3 1.40685e+01 5.05943e+00 798 2013 4 2.15448e+01 2.77112e+00 657 2013 5 2.24465e+01 3.21203e+00 726 2013 6 1.95387e+01 6.65935e+00 631 2013 7 2.05616e+01 1.48323e+00 259 2013 8 2.35493e+01 2.89104e+00 761 2013 9 1.47942e+01 4.14635e+00 908 2013 10 8.60804e+00 3.12318e+00 663 2013 11 1.25211e+01 2.61968e+00 260 2013 12 5.62177e+00 2.11693e+00 654 2014 1 4.17528e+00 3.81537e+00 691 2014 2 6.61982e+00 2.24688e+00 710 2014 3 1.05266e+01 1.55828e+00 704 2014 4 1.90392e+01 2.31663e+00 736 2014 5 1.86899e+01 4.83534e+00 840 2014 6 2.70870e+01 5.28364e+00 624 2014 7 2.40797e+01 1.82142e+00 444 2014 8 2.15090e+01 4.58148e+00 516 2014 9 1.47554e+01 4.70843e+00 356 2014 10 9.77902e+00 4.36653e+00 947 2014 11 6.43042e+00 3.32375e+00 984 2014 12 5.26779e+00 1.61378e+00 623 2015 1 4.41061e+00 3.19141e+00 586 2015 2 7.91852e+00 2.45308e+00 657 2015 3 2.28194e+01 5.22188e+00 1088 2015 4 2.65926e+01 2.29703e+00 620 2015 5 1.58080e+01 8.08546e+00 1033 2015 6 1.38439e+01 2.61150e+00 504 2015 7 1.99672e+01 2.77568e+00 264 2015 8 1.76136e+01 2.69504e+00 572 2015 9 1.13617e+01 6.99925e+00 564 2015 10 6.40523e+00 3.52261e+00 694 2015 11 8.88009e+00 3.18426e+00 1026 2015 12 1.24549e+01 5.37063e+00 640 2016 1 6.51791e+00 4.17133e+00 537 2016 2 7.92858e+00 9.36826e+00 1079 2016 3 1.68466e+01 8.55984e+00 576 2016 4 2.09667e+01 4.52244e+00 836 2016 5 1.96677e+01 6.68996e+00 881 2016 6 2.89315e+01 5.93785e+00 597 2016 7 2.93413e+01 2.65956e+00 390 2016 8 1.85504e+01 4.07318e+00 704 2016 9 1.65975e+01 5.75216e+00 938 2016 10 1.74284e+01 4.34441e+00 1112 2016 11 1.56726e+01 3.15669e+00 1280 2016 12 1.46453e+01 3.79927e+00 832 2017 1 1.03224e+01 6.86074e+00 960 2017 2 1.29009e+01 4.70401e+00 1312 2017 3 1.93988e+01 4.70427e+00 1088 2017 4 2.16414e+01 3.56553e+00 847 2017 5 1.29562e+01 4.90876e+00 628 2017 6 2.19525e+01 5.40952e+00 384 2017 7 2.82143e+01 4.60924e+00 493 2017 8 2.40689e+01 2.27947e+00 464 2017 9 6.57316e+00 5.48333e+00 874 2017 10 3.54738e+00 2.06203e+00 731 2017 11 4.50535e+00 1.14352e+00 941 2017 12 6.63551e+00 3.00488e+00 785 2018 1 6.26407e+00 3.62671e+00 746 2018 2 2.53436e+01 4.13497e+00 878 2018 3 2.22263e+01 5.65270e+00 1146 2018 4 2.63628e+01 5.83259e+00 1150 2018 5 2.89487e+01 3.16553e+00 451 2018 6 3.21683e+01 4.18673e+00 504 2018 7 3.07077e+01 2.56158e+00 256 2018 8 2.65451e+01 2.85161e+00 604 2018 9 2.52105e+01 3.39780e+00 496 2018 10 1.66058e+01 7.11514e+00 1152 2018 11 1.07344e+01 4.10405e+00 474 2018 12 2.76378e+00 2.41429e+00 741 2019 1 4.84401e+00 2.90541e+00 768 2019 2 1.78992e+01 3.56430e+00 761 2019 3 2.07723e+01 4.58201e+00 960 2019 4 1.64445e+01 6.91332e+00 704 2019 5 2.80410e+01 3.62525e+00 866 2019 6 3.05267e+01 4.50436e+00 414 2019 7 2.62666e+01 2.21901e+00 436 2019 8 2.28215e+01 1.55785e+00 448 2019 9 2.36491e+01 2.54752e+00 785 2019 10 1.20321e+01 5.11002e+00 1083 2019 11 5.95183e+00 2.25485e+00 730 2019 12 7.57650e+00 3.41241e+00 410 2020 1 8.39144e+00 4.19238e+00 999 2020 2 1.20258e+01 5.62667e+00 768 2020 3 2.18580e+01 3.56209e+00 952 2020 4 2.72715e+01 3.05639e+00 448 2020 5 2.96702e+01 2.50162e+00 817 2020 6 2.76158e+01 3.49678e+00 512 2020 7 2.53733e+01 8.58281e+00 384 2020 8 2.60106e+01 3.77839e+00 430 2020 9 7.71451e+00 4.61891e+00 349 2020 10 4.41780e+00 1.68189e+00 795 2020 11 3.50009e+00 3.02417e+00 857 2020 12 4.80414e+00 3.40956e+00 795 2021 1 1.00245e+01 4.60919e+00 522 2021 2 1.54936e+01 6.56642e+00 697 2021 3 2.20252e+01 2.85214e+00 916 2021 4 2.14552e+01 4.17244e+00 940 2021 5 2.52303e+01 4.45712e+00 1017 2021 6 2.63529e+01 2.73193e+00 324 2021 7 2.22729e+01 6.08056e+00 526 2021 8 2.09515e+01 2.90180e+00 461 2021 9 1.65819e+01 2.75368e+00 533 2021 10 1.48663e+01 4.21136e+00 756 2021 11 3.80608e+00 2.08924e+00 875 2021 12 7.02738e+00 5.07785e+00 795 2022 1 2.77669e+00 2.24778e+00 969 2022 2 1.28659e+01 7.48047e+00 1024 2022 3 1.68963e+01 6.33102e+00 960 2022 4 2.55136e+01 4.78050e+00 384 2022 5 3.07943e+01 3.18833e+00 768 2022 6 2.98932e+01 3.93972e+00 558 2022 7 1.21423e+01 5.71918e+00 380 2022 8 7.47717e+00 6.13774e+00 579 2022 9 1.58141e+01 8.02052e+00 475 2022 10 7.30131e+00 4.18241e+00 1169 2022 11 1.02027e+01 3.70669e+00 758 2022 12 1.13078e+01 3.90537e+00 760 2023 1 1.43706e+01 5.13776e+00 820 2023 2 1.55649e+01 7.98650e+00 1048 2023 3 2.57938e+01 6.22621e+00 665 2023 4 2.91485e+01 4.24211e+00 343 2023 5 2.30327e+01 7.82771e+00 634 2023 6 2.62967e+01 3.38759e+00 448 2023 7 1.95825e+01 6.25328e+00 545 2023 8 9.88925e+00 4.37816e+00 353 2023 9 5.27054e+00 3.08278e+00 529 2023 10 8.92043e+00 2.75096e+00 672 2023 11 7.92450e+00 4.04768e+00 628 2023 12 7.08509e+00 7.26920e+00 132 2024 1 1.24555e+01 7.62740e+00 194 2024 2 1.19552e+01 6.59889e+00 704 2024 3 2.07828e+01 2.44902e+00 433 2024 4 nan nan 0