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 1.02160e+00 4.55924e-01 138 2002 8 1.38533e+00 2.98005e-01 454 2002 9 1.70034e+00 6.33517e-01 442 2002 10 1.60834e+00 7.56732e-01 720 2002 11 1.50507e+00 4.51557e-01 744 2002 12 1.39719e+00 8.48029e-01 640 2003 1 1.69406e+00 4.62725e-01 896 2003 2 1.78979e+00 5.66368e-01 448 2003 3 9.95484e+00 1.01122e+01 133 2003 4 7.53964e+00 4.10144e+00 91 2003 5 8.43423e+00 9.95674e+00 302 2003 6 2.77192e+00 1.43030e+00 320 2003 7 3.99418e+00 6.72994e+00 222 2003 8 3.85708e+00 4.47278e+00 442 2003 9 2.75973e+00 3.65301e+00 469 2003 10 4.06226e+00 3.30800e+00 899 2003 11 3.15694e+00 2.49120e+00 896 2003 12 1.42722e+00 6.44971e-01 849 2004 1 2.04798e+00 1.89638e+00 830 2004 2 1.55291e+00 1.09925e+00 384 2004 3 2.53432e+00 1.94238e+00 734 2004 4 1.19678e+00 3.32849e-01 384 2004 5 7.96861e-01 3.06367e-01 695 2004 6 1.65070e+00 2.34676e+00 631 2004 7 1.75588e+00 4.33855e-01 448 2004 8 2.10377e+00 2.15669e+00 566 2004 9 5.04620e+00 6.22277e+00 268 2004 10 1.21408e+01 1.26535e+01 178 2004 11 2.01337e+01 1.16899e+01 273 2004 12 8.89018e+00 7.32469e+00 490 2005 1 5.77445e+00 5.23877e+00 687 2005 2 5.46771e+00 4.60161e+00 628 2005 3 2.67916e+00 8.07372e-01 448 2005 4 5.39687e+00 4.12364e+00 437 2005 5 4.14600e+00 2.68698e+00 206 2005 6 3.88873e+00 1.06068e+00 320 2005 7 4.08210e+00 4.11356e+00 458 2005 8 8.04391e+00 5.73313e+00 202 2005 9 4.13400e+00 1.55604e+00 380 2005 10 3.37459e+00 2.17072e+00 804 2005 11 2.69745e+00 2.90258e+00 1088 2005 12 1.76239e+00 9.04884e-01 1134 2006 1 4.43299e+00 2.72828e+00 716 2006 2 3.78388e+00 3.04074e+00 768 2006 3 4.08818e+00 2.60983e+00 1064 2006 4 2.32967e+00 1.45295e+00 362 2006 5 9.38760e-01 5.68517e-01 448 2006 6 1.18024e+00 4.48224e-01 425 2006 7 1.58463e+00 5.41768e-01 449 2006 8 1.67981e+00 4.66662e-01 496 2006 9 1.76814e+00 2.11133e+00 785 2006 10 1.44267e+00 7.10520e-01 998 2006 11 1.12630e+00 4.14622e-01 865 2006 12 1.00515e+00 1.17149e+00 560 2007 1 5.71055e-01 3.33891e-01 437 2007 2 6.00032e-01 3.17852e-01 698 2007 3 7.03868e-01 4.40938e-01 1059 2007 4 8.05300e-01 5.62749e-01 761 2007 5 4.67193e-01 1.38616e-01 238 2007 6 9.39242e-01 3.03579e-01 384 2007 7 9.62594e-01 2.42231e-01 438 2007 8 1.37312e+00 4.89123e-01 674 2007 9 1.62214e+00 9.39428e-01 469 2007 10 1.92319e+00 7.45097e-01 768 2007 11 1.19750e+00 8.23876e-01 1029 2007 12 2.02300e+00 2.67093e+00 854 2008 1 8.68332e-01 6.90884e-01 583 2008 2 9.86639e-01 3.95224e-01 788 2008 3 8.08752e+00 9.36669e+00 708 2008 4 3.43181e+00 3.90742e+00 657 2008 5 2.99243e+00 1.06062e+00 567 2008 6 2.98541e+00 1.18637e+00 417 2008 7 2.33262e+00 9.57700e-01 439 2008 8 2.42636e+00 1.33634e+00 227 2008 9 5.20687e+00 6.43020e+00 714 2008 10 4.39114e+00 3.16647e+00 955 2008 11 1.02348e+00 4.69028e-01 962 2008 12 3.93125e+00 6.23214e+00 958 2009 1 1.91108e+00 8.96888e-01 782 2009 2 1.39776e+00 4.34425e-01 983 2009 3 9.65328e-01 4.24346e-01 1021 2009 4 3.85638e+00 4.63962e+00 582 2009 5 5.61101e+00 6.83001e+00 415 2009 6 1.68019e+00 6.35330e-01 555 2009 7 4.44113e+00 6.58894e+00 168 2009 8 3.58346e+00 2.22176e+00 623 2009 9 2.19417e+00 2.52053e+00 808 2009 10 2.02580e+00 1.70058e+00 876 2009 11 9.96198e-01 5.14073e-01 882 2009 12 1.22300e+00 5.46757e-01 256 2010 1 1.90636e+00 1.04796e+00 829 2010 2 2.97945e+00 1.09457e+00 704 2010 3 4.24540e+00 1.75098e+00 845 2010 4 5.64968e+00 3.74071e+00 278 2010 5 2.01821e+00 6.46728e-01 634 2010 6 1.60537e+00 5.94868e-01 576 2010 7 1.58221e+00 6.46871e-01 425 2010 8 4.48709e+00 5.54647e+00 310 2010 9 2.73927e+00 1.08644e+00 680 2010 10 1.18752e+00 6.53190e-01 1536 2010 11 1.07531e+00 6.04792e-01 1273 2010 12 9.24376e-01 5.50376e-01 1132 2011 1 6.98408e-01 3.08536e-01 700 2011 2 3.94355e-01 1.26304e-01 647 2011 3 4.17207e-01 1.66834e-01 884 2011 4 4.72956e-01 1.34870e-01 838 2011 5 6.33608e-01 2.06729e-01 854 2011 6 6.73657e-01 2.19494e-01 256 2011 7 1.43857e+00 4.63507e-01 320 2011 8 1.71719e+00 1.10157e+00 579 2011 9 1.43802e+00 5.68484e-01 754 2011 10 1.20033e+00 1.09025e+00 954 2011 11 5.59382e-01 1.86401e-01 1147 2011 12 5.57338e-01 2.53605e-01 958 2012 1 5.66204e-01 2.75492e-01 920 2012 2 5.16356e-01 1.26166e-01 214 2012 3 4.80320e-01 3.18762e-01 879 2012 4 6.06215e-01 2.43861e-01 859 2012 5 1.18537e+00 2.88616e-01 421 2012 6 1.12663e+00 2.11975e-01 128 2012 7 3.15564e+00 1.80606e+00 320 2012 8 1.07151e+01 6.23944e+00 342 2012 9 8.90775e+00 7.23248e+00 409 2012 10 6.90017e+00 5.64286e+00 614 2012 11 3.03670e+00 2.23577e+00 848 2012 12 3.82360e+00 2.33417e+00 812 2013 1 1.49832e+00 6.97045e-01 640 2013 2 9.56393e-01 2.25548e-01 448 2013 3 1.28651e+00 6.57493e-01 751 2013 4 4.55584e+00 1.92361e+00 418 2013 5 3.51720e+00 2.09927e+00 572 2013 6 3.88950e+00 3.08651e+00 333 2013 7 1.37980e+01 8.73047e+00 121 2013 8 8.25786e+00 4.03180e+00 259 2013 9 1.07990e+01 8.24724e+00 391 2013 10 4.33237e+00 2.35107e+00 832 2013 11 6.42935e+00 4.44011e+00 384 2013 12 1.92908e+00 1.41218e+00 806 2014 1 1.98344e+00 4.63175e-01 512 2014 2 2.94538e+00 1.37601e+00 700 2014 3 4.90120e+00 1.69818e+00 565 2014 4 9.47168e+00 8.24608e+00 306 2014 5 1.40457e+01 5.63563e+00 127 2014 6 1.17044e+01 1.01197e+01 326 2014 7 6.44273e+00 4.44343e+00 516 2014 8 3.02961e+00 1.69506e+00 308 2014 9 9.36599e+00 9.02588e+00 380 2014 10 7.43886e+00 7.63332e+00 1108 2014 11 1.15713e+00 4.58205e-01 902 2014 12 2.52979e+00 2.04882e+00 640 2015 1 3.11836e+00 4.10072e+00 745 2015 2 6.27108e+00 1.00916e+01 730 2015 3 6.64778e+00 3.02024e+00 428 2015 4 1.98504e+00 6.96962e-01 279 2015 5 1.94952e+00 1.92442e+00 766 2015 6 1.05121e+00 5.30210e-01 480 2015 7 4.98857e+00 3.19784e+00 155 2015 8 4.88042e+00 3.80060e+00 384 2015 9 6.59066e+00 3.33299e+00 291 2015 10 4.77974e+00 7.01590e+00 899 2015 11 3.99494e+00 3.73124e+00 831 2015 12 1.36313e+00 6.03006e-01 508 2016 1 1.84381e+00 9.90820e-01 640 2016 2 2.73601e+00 1.44112e+00 1155 2016 3 2.06450e+00 1.02966e+00 586 2016 4 2.97336e+00 3.13894e+00 499 2016 5 2.05775e+00 6.85222e-01 643 2016 6 1.65845e+00 9.47610e-01 557 2016 7 1.46178e+00 1.96493e+00 819 2016 8 2.46678e+00 1.82705e+00 643 2016 9 3.78161e+00 2.30596e+00 717 2016 10 1.29498e+00 6.30057e-01 986 2016 11 1.07500e+00 6.10499e-01 960 2016 12 9.28298e-01 3.95150e-01 835 2017 1 1.05806e+00 5.86081e-01 696 2017 2 3.37141e+00 1.98334e+00 912 2017 3 1.41653e+00 1.33299e+00 960 2017 4 6.82016e-01 1.66610e-01 820 2017 5 7.44935e-01 1.96648e-01 510 2017 6 9.65406e-01 1.35073e-01 85 2017 7 2.14204e+00 1.71751e+00 273 2017 8 3.23779e+00 1.57937e+00 656 2017 9 7.17402e+00 9.59660e+00 442 2017 10 1.46197e+01 1.15809e+01 347 2017 11 5.35364e+00 5.74811e+00 1238 2017 12 2.10040e+00 1.56326e+00 576 2018 1 9.98190e-01 3.95769e-01 697 2018 2 6.28362e-01 5.44154e-01 632 2018 3 6.95642e-01 4.16259e-01 903 2018 4 1.33590e+00 8.16011e-01 601 2018 5 7.58181e-01 2.69808e-01 405 2018 6 1.66013e+00 5.74787e-01 256 2018 7 7.38656e+00 6.27099e+00 128 2018 8 3.72734e+00 3.46628e+00 452 2018 9 3.79601e+00 5.02992e+00 973 2018 10 3.06549e+00 2.87949e+00 1081 2018 11 1.93738e+00 4.87498e-01 448 2018 12 3.41839e+00 1.88157e+00 516 2019 1 8.50411e+00 6.00023e+00 519 2019 2 6.08717e+00 2.51332e+00 217 2019 3 5.94076e+00 4.46445e+00 766 2019 4 4.42498e+00 5.43979e+00 439 2019 5 1.34863e+00 5.55870e-01 799 2019 6 1.82373e+00 7.04129e-01 135 2019 7 2.06333e+00 1.12300e+00 276 2019 8 3.96170e+00 2.69568e+00 485 2019 9 2.21702e+00 1.76450e+00 830 2019 10 2.10804e+00 9.22300e-01 588 2019 11 1.42262e+00 6.80744e-01 716 2019 12 1.47452e+00 8.21272e-01 529 2020 1 9.53717e-01 3.04451e-01 704 2020 2 1.38843e+00 7.79228e-01 597 2020 3 2.98677e+00 3.37807e+00 652 2020 4 2.17969e+00 1.18830e+00 532 2020 5 2.63769e+00 4.63089e+00 703 2020 6 3.35075e+00 4.49951e+00 525 2020 7 1.55695e+00 6.28983e-01 256 2020 8 3.64989e+00 3.64302e+00 256 2020 9 3.14145e+00 1.13415e+00 219 2020 10 4.91979e+00 5.40153e+00 754 2020 11 3.60034e+00 2.38002e+00 891 2020 12 1.80018e+00 1.04492e+00 810 2021 1 1.91610e+00 1.75794e+00 620 2021 2 4.11935e+00 2.92819e+00 651 2021 3 5.24034e+00 2.17929e+00 155 2021 4 4.29352e+00 4.51128e+00 665 2021 5 2.69744e+00 1.47542e+00 723 2021 6 1.30203e+00 7.37961e-01 194 2021 7 1.81909e+00 1.06069e+00 261 2021 8 3.27551e+00 2.66195e+00 384 2021 9 7.34680e+00 6.45946e+00 387 2021 10 1.16894e+01 1.01552e+01 553 2021 11 3.01191e+00 1.46024e+00 896 2021 12 2.82052e+00 3.12568e+00 740 2022 1 2.41914e+00 1.09467e+00 810 2022 2 1.50830e+00 8.78796e-01 1024 2022 3 1.97083e+00 1.24277e+00 890 2022 4 4.44405e+00 1.32912e+00 64 2022 5 3.29692e+00 2.11513e+00 500 2022 6 4.33071e+00 3.15209e+00 438 2022 7 1.80765e+00 1.71922e+00 619 2022 8 2.12416e+00 2.00299e+00 583 2022 9 5.15017e+00 3.07623e+00 230 2022 10 2.21081e+00 3.59386e+00 1186 2022 11 3.30263e+00 3.11383e+00 412 2022 12 1.32685e+00 6.13517e-01 880 2023 1 9.69123e-01 3.78872e-01 937 2023 2 1.33052e+00 4.58995e-01 558 2023 3 2.35794e+00 9.48671e-01 704 2023 4 2.24659e+00 7.56771e-01 384 2023 5 2.73000e+00 2.99763e+00 346 2023 6 2.32175e+00 1.35215e+00 336 2023 7 4.95660e+00 3.08827e+00 584 2023 8 4.47462e+00 3.66644e+00 546 2023 9 5.35009e+00 5.65701e+00 581 2023 10 7.21756e+00 8.32303e+00 585 2023 11 1.28893e+00 4.88204e-01 704 2023 12 4.72279e+00 8.61519e+00 316 2024 1 8.00284e+00 5.03757e+00 398 2024 2 9.70518e+00 8.97056e+00 643 2024 3 5.28998e+00 3.94418e+00 448 2024 4 nan nan 0