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 9.79224e+00 5.95773e-01 129 2002 8 7.91257e+00 9.44269e-01 503 2002 9 7.94612e+00 1.75708e+00 650 2002 10 7.16371e+00 1.01379e+00 949 2002 11 4.85556e+00 1.79565e+00 515 2002 12 4.29060e+00 1.20944e+00 634 2003 1 5.90705e+00 1.20341e+00 890 2003 2 6.26652e+00 1.02115e+00 562 2003 3 8.46493e+00 5.46383e-01 121 2003 4 7.84955e+00 1.27540e+00 711 2003 5 9.29695e+00 8.67528e-01 491 2003 6 1.05246e+01 1.38304e+00 162 2003 7 9.87937e+00 1.57832e+00 439 2003 8 8.22329e+00 2.11195e+00 444 2003 9 6.94976e+00 1.29394e+00 576 2003 10 5.99238e+00 1.00549e+00 636 2003 11 5.70345e+00 1.91377e+00 981 2003 12 4.66428e+00 1.51252e+00 576 2004 1 7.13389e+00 1.64082e+00 831 2004 2 6.66858e+00 9.66680e-01 508 2004 3 9.16810e+00 8.29302e-01 839 2004 4 8.98973e+00 1.73342e+00 576 2004 5 1.12507e+01 8.91642e-01 804 2004 6 1.13827e+01 6.66633e-01 640 2004 7 9.68430e+00 1.54874e+00 572 2004 8 1.03198e+01 6.31082e-01 384 2004 9 5.81634e+00 2.11049e+00 397 2004 10 5.55290e+00 1.28678e+00 990 2004 11 5.78676e+00 9.20208e-01 888 2004 12 4.54688e+00 2.38107e+00 448 2005 1 2.86797e+00 8.97591e-01 750 2005 2 4.52206e+00 9.34701e-01 618 2005 3 3.82662e+00 1.47028e+00 470 2005 4 7.54018e+00 1.54126e+00 704 2005 5 9.90464e+00 6.53203e-01 687 2005 6 9.07667e+00 1.01748e+00 321 2005 7 6.82951e+00 2.24197e+00 572 2005 8 7.13618e+00 1.02377e+00 507 2005 9 3.60301e+00 1.18949e+00 447 2005 10 3.75383e+00 1.40165e+00 810 2005 11 3.98225e+00 6.68807e-01 929 2005 12 4.66070e+00 3.88893e-01 832 2006 1 4.94720e+00 1.00458e+00 659 2006 2 5.62634e+00 1.85548e+00 768 2006 3 8.65376e+00 6.56694e-01 1067 2006 4 1.14374e+01 9.62284e-01 815 2006 5 1.19035e+01 8.99472e-01 768 2006 6 1.05317e+01 1.27403e+00 539 2006 7 1.04369e+01 9.65012e-01 371 2006 8 9.35011e+00 1.17844e+00 376 2006 9 5.13243e+00 1.72658e+00 473 2006 10 5.43951e+00 1.55622e+00 980 2006 11 6.39241e+00 1.25054e+00 832 2006 12 6.61383e+00 1.45260e+00 448 2007 1 7.42075e+00 1.50337e+00 559 2007 2 7.87047e+00 1.19430e+00 448 2007 3 9.99000e+00 9.70682e-01 963 2007 4 9.10074e+00 1.53858e+00 896 2007 5 1.01320e+01 8.46599e-01 717 2007 6 9.90135e+00 9.23529e-01 378 2007 7 1.00199e+01 9.30947e-01 538 2007 8 8.83664e+00 5.10903e-01 720 2007 9 8.30779e+00 1.50585e+00 817 2007 10 7.88579e+00 9.17289e-01 684 2007 11 8.00946e+00 1.18838e+00 1152 2007 12 7.85889e+00 1.99132e+00 1086 2008 1 6.62063e+00 2.70973e+00 672 2008 2 9.19824e+00 2.00793e+00 786 2008 3 7.74318e+00 1.94207e+00 791 2008 4 1.00316e+01 7.92692e-01 704 2008 5 8.98847e+00 7.46226e-01 640 2008 6 1.02678e+01 8.17026e-01 650 2008 7 9.64475e+00 1.04360e+00 383 2008 8 1.04126e+01 1.11578e+00 298 2008 9 6.71888e+00 1.66532e+00 481 2008 10 7.54123e+00 1.75154e+00 1032 2008 11 6.97239e+00 6.14250e-01 1098 2008 12 6.64083e+00 1.68918e+00 1111 2009 1 7.03676e+00 1.34473e+00 792 2009 2 7.71884e+00 2.68310e+00 938 2009 3 8.73842e+00 1.71757e+00 1060 2009 4 8.88348e+00 1.05226e+00 600 2009 5 1.01351e+01 6.90001e-01 757 2009 6 9.37784e+00 1.74456e+00 343 2009 7 1.04891e+01 5.84327e-01 357 2009 8 1.09678e+01 7.16724e-01 600 2009 9 9.47417e+00 6.39547e-01 476 2009 10 8.07061e+00 1.08011e+00 918 2009 11 6.84129e+00 5.95539e-01 384 2009 12 4.41225e+00 8.69173e-01 192 2010 1 6.43503e+00 1.40280e+00 576 2010 2 5.83643e+00 1.98584e+00 393 2010 3 4.55081e+00 1.30742e+00 827 2010 4 7.38611e+00 2.14968e+00 773 2010 5 1.14551e+01 5.90807e-01 628 2010 6 1.15009e+01 9.25260e-01 960 2010 7 1.12613e+01 5.12871e-01 320 2010 8 9.89120e+00 1.68378e+00 646 2010 9 8.59529e+00 1.50733e+00 830 2010 10 8.89463e+00 1.01015e+00 1427 2010 11 7.83189e+00 7.75746e-01 1152 2010 12 5.34646e+00 1.81658e+00 935 2011 1 7.88592e+00 1.38640e+00 704 2011 2 7.68202e+00 1.44707e+00 806 2011 3 9.19123e+00 1.50790e+00 1216 2011 4 9.58894e+00 1.19328e+00 960 2011 5 6.50765e+00 1.19217e+00 911 2011 6 8.59036e+00 1.10766e+00 518 2011 7 1.02868e+01 1.06700e+00 320 2011 8 9.35616e+00 8.54239e-01 422 2011 9 8.24035e+00 1.31460e+00 440 2011 10 6.28109e+00 1.24640e+00 816 2011 11 7.62511e+00 1.28978e+00 1206 2011 12 7.25708e+00 1.48396e+00 1015 2012 1 8.43301e+00 1.57835e+00 896 2012 2 8.55421e+00 2.13377e+00 463 2012 3 9.59303e+00 7.04132e-01 1206 2012 4 9.26759e+00 4.97373e-01 518 2012 5 1.03504e+01 4.24771e-01 384 2012 6 8.80075e+00 3.42628e+00 199 2012 7 8.35204e+00 2.12801e+00 256 2012 8 1.03917e+01 9.47893e-01 260 2012 9 6.79158e+00 1.47591e+00 452 2012 10 7.40202e+00 1.87870e+00 828 2012 11 6.31336e+00 7.87012e-01 721 2012 12 5.42041e+00 2.11071e+00 576 2013 1 5.91893e+00 9.71554e-01 960 2013 2 5.95360e+00 1.56755e+00 784 2013 3 6.96326e+00 1.55845e+00 768 2013 4 9.33860e+00 7.52126e-01 668 2013 5 9.49237e+00 1.10265e+00 640 2013 6 8.86682e+00 9.28138e-01 640 2013 7 8.75900e+00 1.80335e+00 380 2013 8 7.28649e+00 7.92895e-01 592 2013 9 6.09319e+00 1.32282e+00 984 2013 10 6.27361e+00 7.11609e-01 929 2013 11 6.27789e+00 2.35493e+00 329 2013 12 6.35078e+00 4.83606e-01 643 2014 1 4.06947e+00 1.01333e+00 519 2014 2 5.54905e+00 7.41786e-01 717 2014 3 5.74342e+00 6.31942e-01 641 2014 4 8.27525e+00 1.46240e+00 640 2014 5 8.15088e+00 6.82988e-01 640 2014 6 9.11388e+00 3.77046e-01 590 2014 7 1.02203e+01 5.67067e-01 349 2014 8 9.40208e+00 9.07004e-01 590 2014 9 7.25955e+00 7.75625e-01 351 2014 10 6.59001e+00 1.30985e+00 1027 2014 11 5.04905e+00 1.32926e+00 944 2014 12 5.37097e+00 7.38590e-01 679 2015 1 5.07342e+00 1.56388e+00 520 2015 2 6.14799e+00 9.11526e-01 768 2015 3 8.40875e+00 1.36624e+00 905 2015 4 1.08819e+01 4.16061e-01 512 2015 5 8.60585e+00 2.15494e+00 903 2015 6 8.72590e+00 6.13117e-01 403 2015 7 8.51825e+00 3.30834e-01 192 2015 8 8.09103e+00 1.38324e+00 576 2015 9 6.72001e+00 1.47138e+00 336 2015 10 5.20424e+00 6.58186e-01 701 2015 11 5.78645e+00 8.13760e-01 937 2015 12 6.29471e+00 1.02363e+00 644 2016 1 4.70832e+00 9.52574e-01 384 2016 2 4.61636e+00 1.69909e+00 1108 2016 3 7.30328e+00 1.58842e+00 601 2016 4 8.75750e+00 6.43664e-01 749 2016 5 8.84908e+00 7.70532e-01 962 2016 6 1.01123e+01 1.84489e+00 588 2016 7 8.94361e+00 7.67442e-01 371 2016 8 8.82027e+00 9.11032e-01 575 2016 9 7.83499e+00 2.59996e+00 867 2016 10 7.87064e+00 1.59986e+00 1024 2016 11 7.98120e+00 5.58625e-01 1148 2016 12 8.43938e+00 8.43753e-01 837 2017 1 7.25909e+00 2.81073e+00 1045 2017 2 8.38630e+00 9.80353e-01 1280 2017 3 9.90501e+00 1.19398e+00 1007 2017 4 9.28505e+00 6.78502e-01 704 2017 5 8.12057e+00 1.40524e+00 506 2017 6 8.73620e+00 2.04354e+00 320 2017 7 9.69371e+00 5.26578e-01 439 2017 8 8.58069e+00 6.44641e-01 529 2017 9 5.76086e+00 1.29441e+00 794 2017 10 4.54772e+00 9.22100e-01 654 2017 11 5.82274e+00 5.94494e-01 1025 2017 12 6.59921e+00 1.13016e+00 891 2018 1 4.54682e+00 1.39920e+00 604 2018 2 9.35901e+00 1.37629e+00 896 2018 3 8.30560e+00 1.91667e+00 1135 2018 4 1.04427e+01 1.72561e+00 960 2018 5 1.10535e+01 7.23279e-01 464 2018 6 1.09784e+01 6.77468e-01 384 2018 7 1.04255e+01 7.55982e-01 382 2018 8 1.04595e+01 8.28369e-01 661 2018 9 8.93633e+00 2.64359e+00 867 2018 10 5.96011e+00 1.71895e+00 1155 2018 11 4.95325e+00 1.65294e+00 517 2018 12 4.82397e+00 2.09867e+00 585 2019 1 5.76486e+00 1.51242e+00 782 2019 2 8.90386e+00 9.42380e-01 666 2019 3 9.26716e+00 8.49328e-01 1007 2019 4 7.49060e+00 1.61117e+00 635 2019 5 1.10931e+01 6.02944e-01 1045 2019 6 1.10203e+01 9.01544e-01 515 2019 7 1.08526e+01 6.24597e-01 376 2019 8 9.46456e+00 1.06168e+00 392 2019 9 9.00987e+00 1.30222e+00 825 2019 10 7.06349e+00 1.69536e+00 883 2019 11 5.72472e+00 5.52251e-01 512 2019 12 4.61955e+00 8.10418e-01 128 2020 1 5.78809e+00 1.57863e+00 820 2020 2 6.32644e+00 1.32098e+00 629 2020 3 1.00874e+01 1.88085e+00 712 2020 4 9.73959e+00 1.05447e+00 430 2020 5 9.97192e+00 5.22801e-01 704 2020 6 8.48097e+00 7.97459e-01 577 2020 7 1.01487e+01 7.52389e-01 276 2020 8 9.26259e+00 3.69089e-01 337 2020 9 5.77837e+00 1.25509e+00 402 2020 10 4.96550e+00 8.78780e-01 900 2020 11 4.42523e+00 1.28767e+00 860 2020 12 5.37199e+00 1.09711e+00 832 2021 1 5.85993e+00 1.10494e+00 606 2021 2 8.01480e+00 1.39597e+00 576 2021 3 9.60364e+00 7.04150e-01 803 2021 4 9.04727e+00 4.65804e-01 869 2021 5 8.46504e+00 9.53984e-01 937 2021 6 9.37346e+00 3.64590e-01 296 2021 7 7.70628e+00 8.45405e-01 481 2021 8 9.25107e+00 8.15957e-01 456 2021 9 7.54498e+00 5.98862e-01 576 2021 10 3.85163e+00 1.22213e+00 954 2021 11 4.81623e+00 6.39849e-01 707 2021 12 4.82408e+00 8.48284e-01 668 2022 1 4.17060e+00 1.30578e+00 692 2022 2 7.41449e+00 2.15472e+00 1094 2022 3 7.74449e+00 1.60614e+00 866 2022 4 9.53736e+00 1.20698e+00 384 2022 5 1.12952e+01 8.71941e-01 754 2022 6 1.10397e+01 8.02076e-01 640 2022 7 7.77488e+00 1.34818e+00 526 2022 8 5.72027e+00 5.87808e-01 639 2022 9 4.92111e+00 1.03175e+00 508 2022 10 5.92563e+00 1.34295e+00 1031 2022 11 5.82277e+00 1.41670e+00 640 2022 12 6.76118e+00 4.84684e-01 794 2023 1 7.50548e+00 1.20954e+00 878 2023 2 7.59133e+00 2.33133e+00 1040 2023 3 9.48949e+00 1.11439e+00 890 2023 4 9.60780e+00 1.55307e+00 299 2023 5 9.62012e+00 1.81324e+00 609 2023 6 8.86434e+00 4.83935e-01 359 2023 7 8.38791e+00 8.51216e-01 512 2023 8 7.62459e+00 1.18954e+00 346 2023 9 6.02750e+00 8.60355e-01 691 2023 10 6.02382e+00 1.53168e+00 704 2023 11 5.54545e+00 1.10446e+00 666 2023 12 4.52864e+00 1.53153e+00 256 2024 1 4.64677e+00 1.42166e+00 284 2024 2 5.97342e+00 1.10040e+00 779 2024 3 8.52085e+00 6.99859e-01 390 2024 4 nan nan 0