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 nan nan 0 2002 8 3.75252e-01 1.37277e-01 83 2002 9 6.35311e-01 1.85475e-01 28 2002 10 2.88176e+00 1.15939e+00 849 2002 11 2.75816e+00 1.80287e+00 779 2002 12 2.37220e+00 9.53606e-01 447 2003 1 2.75509e+00 1.26393e+00 461 2003 2 3.02542e+00 6.44141e-01 391 2003 3 2.48633e+00 1.21128e+00 252 2003 4 2.24655e+00 8.33000e-01 397 2003 5 1.63202e+00 5.78596e-01 497 2003 6 1.27941e+00 3.01630e-01 64 2003 7 4.75822e-01 0.00000e+00 1 2003 8 4.05049e-01 1.62928e-01 38 2003 9 nan nan 0 2003 10 1.09703e+00 3.06851e-01 86 2003 11 2.45313e+00 2.78918e+00 454 2003 12 2.26457e+00 7.91949e-01 709 2004 1 2.35152e+00 1.04959e+00 916 2004 2 3.35366e+00 1.64797e+00 614 2004 3 3.07205e+00 1.99698e+00 580 2004 4 3.19952e+00 7.56539e-01 375 2004 5 1.48796e+00 7.19721e-01 444 2004 6 2.08300e+00 6.30912e-01 359 2004 7 2.43721e+00 4.49224e-01 237 2004 8 1.54795e+00 7.63695e-01 92 2004 9 1.42466e+00 4.86342e-01 64 2004 10 1.47453e+00 4.45633e-01 159 2004 11 1.17630e+00 4.79460e-01 403 2004 12 3.06029e+00 2.63797e+00 483 2005 1 3.32794e+00 1.39152e+00 777 2005 2 2.25972e+00 1.01967e+00 768 2005 3 2.35351e+00 6.16431e-01 403 2005 4 2.86935e+00 1.40988e+00 537 2005 5 1.67741e+00 6.59238e-01 359 2005 6 nan nan 0 2005 7 7.84309e-01 4.36106e-01 109 2005 8 1.25971e+00 5.80635e-01 210 2005 9 9.06089e-01 5.22985e-01 387 2005 10 1.64997e+00 1.04073e+00 515 2005 11 2.76692e+00 1.59445e+00 470 2005 12 2.85290e+00 9.44587e-01 727 2006 1 3.65799e+00 1.63745e+00 523 2006 2 3.74163e+00 1.82067e+00 1022 2006 3 3.55838e+00 1.21906e+00 957 2006 4 2.09935e+00 7.16697e-01 432 2006 5 1.32702e+00 5.91592e-01 569 2006 6 2.40332e+00 6.69019e-01 428 2006 7 2.79716e+00 6.76070e-01 232 2006 8 2.06549e+00 6.18480e-01 163 2006 9 1.00068e+00 5.89317e-01 107 2006 10 1.33735e+00 4.95073e-01 211 2006 11 1.69175e+00 6.57270e-01 450 2006 12 2.21650e+00 1.49172e+00 238 2007 1 3.03494e+00 1.07049e+00 442 2007 2 2.79450e+00 1.31114e+00 651 2007 3 2.46507e+00 1.09281e+00 323 2007 4 2.40303e+00 1.40506e+00 364 2007 5 2.16466e+00 6.48898e-01 192 2007 6 1.80579e+00 7.75979e-01 222 2007 7 1.38289e+00 5.00621e-01 384 2007 8 2.04190e+00 5.93371e-01 352 2007 9 2.02130e+00 4.97833e-01 534 2007 10 2.38214e+00 1.18950e+00 376 2007 11 1.75049e+00 1.09529e+00 768 2007 12 2.08636e+00 6.78763e-01 695 2008 1 2.82848e+00 1.94909e+00 693 2008 2 2.06159e+00 8.58934e-01 743 2008 3 2.54840e+00 7.77619e-01 554 2008 4 1.99412e+00 7.51352e-01 402 2008 5 3.64079e+00 1.18361e+00 400 2008 6 3.23963e+00 1.17560e+00 232 2008 7 2.82472e+00 8.69853e-01 313 2008 8 1.37527e+00 3.33317e-01 128 2008 9 1.69988e-01 7.98138e-02 5 2008 10 2.63881e+00 1.81590e+00 551 2008 11 2.11815e+00 8.74386e-01 1045 2008 12 3.80822e+00 1.74792e+00 1130 2009 1 3.99784e+00 1.35404e+00 816 2009 2 5.22050e+00 2.49350e+00 891 2009 3 4.11277e+00 1.43460e+00 675 2009 4 2.78826e+00 9.65419e-01 384 2009 5 2.12858e+00 1.00760e+00 342 2009 6 1.89274e+00 6.32364e-01 128 2009 7 2.43132e+00 1.10117e+00 305 2009 8 2.25685e+00 8.79644e-01 243 2009 9 9.25268e-01 5.04203e-01 138 2009 10 1.02307e+00 5.51958e-01 382 2009 11 1.71690e+00 7.66200e-01 505 2009 12 2.47849e+00 8.27710e-01 384 2010 1 4.30850e+00 2.54994e+00 530 2010 2 6.50861e+00 2.86411e+00 575 2010 3 5.34079e+00 1.70369e+00 688 2010 4 2.63015e+00 1.67585e+00 197 2010 5 2.37093e+00 7.45431e-01 584 2010 6 2.00831e+00 5.61230e-01 458 2010 7 1.40698e+00 5.18455e-01 193 2010 8 1.13466e+00 5.48239e-01 305 2010 9 2.93881e+00 1.89551e+00 112 2010 10 1.70920e+00 1.00096e+00 852 2010 11 1.64062e+00 7.83236e-01 923 2010 12 4.28574e+00 3.47179e+00 1072 2011 1 4.58123e+00 2.51875e+00 577 2011 2 5.02864e+00 1.85358e+00 710 2011 3 4.77733e+00 1.07109e+00 1020 2011 4 5.83098e+00 1.73859e+00 526 2011 5 3.94808e+00 1.63489e+00 552 2011 6 3.10794e+00 5.15623e-01 381 2011 7 3.76380e+00 8.87802e-01 330 2011 8 5.02246e+00 2.91451e+00 120 2011 9 2.58163e+00 1.36772e+00 205 2011 10 2.05211e+00 1.00828e+00 401 2011 11 3.39646e+00 1.75092e+00 740 2011 12 2.92414e+00 1.44599e+00 920 2012 1 5.37856e+00 1.45678e+00 995 2012 2 4.37406e+00 1.78297e+00 759 2012 3 4.28778e+00 2.89078e+00 480 2012 4 2.46426e+00 2.06471e+00 412 2012 5 5.38077e+00 1.83962e+00 435 2012 6 2.78435e+00 1.07462e+00 110 2012 7 3.05531e+00 1.45520e+00 256 2012 8 2.74134e+00 1.29452e+00 205 2012 9 8.15569e-01 4.48176e-01 137 2012 10 2.60808e+00 1.04476e+00 112 2012 11 2.16085e+00 7.44708e-01 765 2012 12 4.36772e+00 3.01486e+00 544 2013 1 3.48039e+00 8.72737e-01 622 2013 2 3.02493e+00 1.15688e+00 827 2013 3 4.39294e+00 2.30552e+00 661 2013 4 2.48319e+00 1.10099e+00 373 2013 5 1.81771e+00 7.76054e-01 573 2013 6 1.63228e+00 5.83379e-01 279 2013 7 8.17696e-01 1.37950e-01 61 2013 8 6.70591e-01 1.13091e-01 32 2013 9 nan nan 0 2013 10 4.53269e-01 1.77369e-01 123 2013 11 1.31798e+00 3.70969e+00 319 2013 12 2.79344e+00 1.47955e+00 568 2014 1 3.95050e+00 1.46563e+00 734 2014 2 3.28074e+00 1.09598e+00 679 2014 3 3.21057e+00 1.09688e+00 710 2014 4 3.86334e+00 2.43623e+00 406 2014 5 2.55848e+00 1.00186e+00 447 2014 6 2.16261e+00 7.21119e-01 285 2014 7 1.93103e+00 8.08093e-01 155 2014 8 1.70786e+00 1.02452e+00 374 2014 9 7.45361e-01 3.92934e-01 197 2014 10 nan nan 0 2014 11 1.83267e+00 1.09435e+00 506 2014 12 1.92624e+00 8.99911e-01 625 2015 1 4.52631e+00 2.88886e+00 558 2015 2 3.94960e+00 2.64456e+00 749 2015 3 2.95875e+00 1.11762e+00 686 2015 4 2.30734e+00 6.57271e-01 215 2015 5 1.80716e+00 5.81870e-01 326 2015 6 1.71063e+00 5.53244e-01 318 2015 7 2.35606e+00 3.67541e-01 128 2015 8 2.14078e+00 1.40283e+00 365 2015 9 1.03268e+00 2.82866e-01 50 2015 10 1.14899e+00 4.19670e-01 165 2015 11 4.90767e-01 1.54881e-01 180 2015 12 9.73016e-01 7.45887e-01 155 2016 1 2.94591e+00 1.72803e+00 387 2016 2 3.33700e+00 2.75790e+00 680 2016 3 5.67032e+00 4.49672e+00 383 2016 4 3.40376e+00 1.80615e+00 345 2016 5 3.53286e+00 2.68896e+00 406 2016 6 1.36786e+00 7.49695e-01 319 2016 7 1.28803e+00 5.71528e-01 149 2016 8 6.17652e-01 5.28747e-01 69 2016 9 6.99880e-01 4.51003e-01 122 2016 10 1.77073e+00 1.08109e+00 386 2016 11 1.97173e+00 6.36360e-01 507 2016 12 1.83981e+00 7.89093e-01 640 2017 1 2.93270e+00 2.48982e+00 707 2017 2 3.75082e+00 1.82233e+00 1036 2017 3 2.98389e+00 1.01222e+00 661 2017 4 2.44146e+00 7.46730e-01 299 2017 5 2.97182e+00 1.13946e+00 372 2017 6 nan nan 0 2017 7 1.31178e+00 1.08253e+00 111 2017 8 7.61494e-01 1.81447e-01 76 2017 9 nan nan 0 2017 10 9.95410e-01 1.54610e-01 64 2017 11 1.10325e+00 4.75239e-01 486 2017 12 1.78728e+00 1.14680e+00 904 2018 1 4.06991e+00 2.26699e+00 562 2018 2 3.56670e+00 1.73962e+00 482 2018 3 3.60239e+00 1.30034e+00 978 2018 4 2.28486e+00 1.27353e+00 747 2018 5 1.59111e+00 9.29963e-01 190 2018 6 8.16803e-01 2.77625e-01 72 2018 7 3.70770e-01 1.87148e-01 71 2018 8 nan nan 0 2018 9 nan nan 0 2018 10 8.01026e-01 2.41503e-01 96 2018 11 1.10242e+00 4.11056e-01 303 2018 12 1.33449e+00 1.53524e+00 490 2019 1 2.30278e+00 1.68204e+00 736 2019 2 2.55112e+00 1.16823e+00 453 2019 3 2.90090e+00 1.21817e+00 652 2019 4 2.61186e+00 1.06067e+00 496 2019 5 2.95843e+00 1.11490e+00 465 2019 6 2.31485e+00 3.45213e-01 356 2019 7 1.36157e+00 6.06436e-01 380 2019 8 4.59826e-01 1.15095e-01 21 2019 9 1.58560e+00 8.45264e-01 243 2019 10 1.02181e+00 5.40807e-01 442 2019 11 1.03353e+00 6.82299e-01 371 2019 12 2.35600e+00 9.58414e-01 467 2020 1 3.54731e+00 1.16566e+00 706 2020 2 5.10090e+00 2.42604e+00 681 2020 3 3.50825e+00 2.00370e+00 573 2020 4 2.43163e+00 7.41639e-01 320 2020 5 2.51954e+00 7.29549e-01 512 2020 6 1.54776e+00 4.38268e-01 395 2020 7 1.23015e+00 5.96188e-01 148 2020 8 1.75058e+00 4.97784e-01 335 2020 9 nan nan 0 2020 10 4.20218e-01 2.18461e-01 4 2020 11 8.23063e-01 2.96997e-01 98 2020 12 1.52518e+00 6.38006e-01 351 2021 1 1.70081e+00 1.01055e+00 504 2021 2 4.14785e+00 1.62527e+00 655 2021 3 4.09815e+00 2.16576e+00 384 2021 4 2.26846e+00 7.56797e-01 767 2021 5 2.74618e+00 1.56173e+00 527 2021 6 1.50789e+00 2.72687e-01 82 2021 7 1.52491e+00 5.99614e-01 315 2021 8 7.80832e-01 2.89552e-01 117 2021 9 5.92966e-01 2.09241e-01 64 2021 10 6.17728e-01 2.52399e-01 125 2021 11 1.31180e+00 9.01002e-01 390 2021 12 2.27310e+00 1.67018e+00 847 2022 1 3.00748e+00 1.89022e+00 724 2022 2 3.37724e+00 1.71539e+00 688 2022 3 4.01902e+00 2.21076e+00 634 2022 4 1.55551e+00 3.47973e-01 64 2022 5 1.61510e+00 5.51752e-01 576 2022 6 1.52758e+00 5.84766e-01 166 2022 7 1.51693e+00 5.73080e-01 307 2022 8 1.09605e+00 3.33337e-01 219 2022 9 6.91686e-01 3.21086e-01 164 2022 10 1.23189e+00 3.24056e-01 52 2022 11 2.09554e+00 1.03036e+00 292 2022 12 1.94247e+00 1.23632e+00 470 2023 1 2.88498e+00 1.22990e+00 892 2023 2 3.05872e+00 1.17662e+00 1084 2023 3 2.76895e+00 1.14571e+00 757 2023 4 3.10578e+00 5.06269e+00 433 2023 5 1.87128e+00 8.35538e-01 613 2023 6 1.51414e+00 4.48512e-01 245 2023 7 2.15671e+00 6.21247e-01 256 2023 8 2.35601e+00 8.54428e-01 302 2023 9 1.56719e+00 6.77920e-01 512 2023 10 1.52461e+00 6.04025e-01 236 2023 11 1.42027e+00 9.54733e-01 502 2023 12 2.72973e+00 1.69982e+00 223 2024 1 1.78657e+00 4.68918e-01 265 2024 2 2.28251e+00 9.86115e-01 938 2024 3 2.15663e+00 9.92789e-01 519 2024 4 nan nan 0