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 5.74554e-01 1.52945e-01 298 2002 8 6.20802e-01 2.57398e-01 522 2002 9 1.33360e+00 7.10477e-01 547 2002 10 1.13213e+00 4.79934e-01 887 2002 11 5.13360e-01 2.21901e-01 842 2002 12 7.80336e-01 3.15347e-01 768 2003 1 9.54631e-01 4.55964e-01 1023 2003 2 3.86986e-01 1.63704e-01 638 2003 3 2.64145e+00 1.88705e+00 153 2003 4 3.18092e+00 2.34756e+00 231 2003 5 6.58456e+00 4.84315e+00 85 2003 6 1.05124e+00 4.59137e-01 320 2003 7 2.89910e+00 1.40283e+00 192 2003 8 2.71018e+00 4.03038e+00 428 2003 9 2.22356e+00 1.55156e+00 550 2003 10 1.68698e+00 1.22750e+00 825 2003 11 5.62026e-01 2.62503e-01 1021 2003 12 6.98194e-01 2.26619e-01 832 2004 1 6.77443e-01 5.45826e-01 875 2004 2 3.34868e-01 1.17216e-01 234 2004 3 5.57517e-01 4.33614e-01 969 2004 4 3.25376e-01 1.68078e-01 613 2004 5 4.00348e-01 2.06058e-01 832 2004 6 7.30162e-01 3.66842e-01 538 2004 7 1.31627e+00 5.31637e-01 333 2004 8 7.87078e-01 4.07571e-01 537 2004 9 2.09812e+00 1.08340e+00 322 2004 10 8.81275e+00 4.95464e+00 190 2004 11 7.22096e+00 5.45667e+00 509 2004 12 5.81834e+00 4.84753e+00 570 2005 1 3.41561e+00 4.13189e+00 770 2005 2 1.81740e+00 1.12193e+00 469 2005 3 1.12081e+00 3.60842e-01 576 2005 4 2.32190e+00 2.63423e+00 367 2005 5 1.51614e+00 1.50681e+00 481 2005 6 3.80974e+00 3.50646e+00 386 2005 7 7.85874e+00 5.79288e+00 450 2005 8 2.93799e+00 2.98836e+00 132 2005 9 6.51854e+00 4.44221e+00 434 2005 10 3.35580e+00 5.87088e+00 1122 2005 11 6.66748e-01 1.83475e-01 1088 2005 12 4.18519e-01 2.06869e-01 1058 2006 1 6.99908e-01 3.47972e-01 759 2006 2 1.05494e+00 8.56753e-01 719 2006 3 1.69644e+00 1.71262e+00 862 2006 4 7.93416e-01 7.19006e-01 509 2006 5 3.04265e-01 1.54808e-01 765 2006 6 4.66609e-01 1.50094e-01 377 2006 7 5.22599e-01 2.28343e-01 624 2006 8 6.17311e-01 1.66064e-01 365 2006 9 1.21435e+00 4.72147e-01 704 2006 10 6.76344e-01 3.22421e-01 899 2006 11 3.72491e-01 1.55362e-01 1021 2006 12 4.01523e-01 3.10878e-01 576 2007 1 1.94026e-01 9.02705e-02 449 2007 2 2.73391e-01 1.67686e-01 832 2007 3 1.69428e-01 5.94122e-02 1151 2007 4 3.00062e-01 1.99229e-01 759 2007 5 2.54741e-01 7.15342e-02 350 2007 6 3.67367e-01 1.11842e-01 574 2007 7 6.68389e-01 2.56850e-01 435 2007 8 1.04147e+00 4.21547e-01 629 2007 9 1.42997e+00 4.20920e-01 479 2007 10 4.13218e-01 1.49958e-01 753 2007 11 2.45064e-01 5.59855e-02 1214 2007 12 3.26442e-01 1.80047e-01 895 2008 1 2.40580e-01 1.41224e-01 830 2008 2 2.58088e-01 1.10921e-01 1024 2008 3 9.87310e-01 1.04157e+00 988 2008 4 1.37699e+00 1.07592e+00 721 2008 5 1.40091e+00 4.54312e-01 629 2008 6 2.31471e+00 4.18036e+00 351 2008 7 5.93729e-01 2.51460e-01 437 2008 8 9.68093e-01 6.98175e-01 320 2008 9 3.96413e+00 6.21672e+00 810 2008 10 1.28934e+00 8.49361e-01 1084 2008 11 5.68538e-01 4.25820e-01 1052 2008 12 1.52992e+00 7.73218e-01 890 2009 1 1.24373e+00 4.57447e-01 768 2009 2 4.64683e-01 2.02918e-01 1024 2009 3 3.00290e-01 1.26678e-01 976 2009 4 4.12025e-01 1.53794e-01 513 2009 5 4.13787e+00 5.86121e+00 311 2009 6 9.17222e-01 1.59490e+00 576 2009 7 7.93968e-01 3.07044e-01 409 2009 8 1.41911e+00 8.06189e-01 604 2009 9 1.06721e+00 7.53663e-01 748 2009 10 6.05284e-01 1.01110e+00 899 2009 11 4.19088e-01 1.52558e-01 766 2009 12 4.81485e-01 2.09620e-01 263 2010 1 1.55766e+00 1.26531e+00 896 2010 2 2.83527e+00 3.03874e+00 704 2010 3 2.41475e+00 1.05725e+00 954 2010 4 3.51077e+00 3.27160e+00 502 2010 5 1.47183e+00 8.18812e-01 620 2010 6 9.94150e-01 3.20949e-01 562 2010 7 9.01888e-01 3.60397e-01 384 2010 8 1.55186e+00 1.10600e+00 439 2010 9 9.46497e-01 4.65083e-01 601 2010 10 4.50908e-01 3.45270e-01 1557 2010 11 2.69532e-01 1.68602e-01 1261 2010 12 3.84345e-01 2.32453e-01 1096 2011 1 2.75472e-01 1.12107e-01 815 2011 2 3.07247e-01 9.88349e-02 832 2011 3 2.72034e-01 1.37648e-01 869 2011 4 2.12856e-01 8.02363e-02 1064 2011 5 2.25926e-01 9.56420e-02 782 2011 6 2.79147e-01 5.61035e-02 256 2011 7 1.20425e+00 1.21031e+00 458 2011 8 5.75517e-01 5.50783e-01 705 2011 9 4.43244e-01 1.60536e-01 759 2011 10 3.00015e-01 1.57877e-01 1145 2011 11 2.15585e-01 7.82331e-02 1081 2011 12 2.42041e-01 6.77075e-02 968 2012 1 2.71786e-01 1.47582e-01 1280 2012 2 1.91105e-01 5.52908e-02 378 2012 3 2.20527e-01 8.07456e-02 857 2012 4 3.40899e-01 1.11750e-01 959 2012 5 4.22126e-01 1.52952e-01 493 2012 6 6.85335e-01 3.76844e-01 380 2012 7 2.99099e+00 4.12034e+00 502 2012 8 4.83600e+00 5.54251e+00 153 2012 9 7.08608e+00 5.39124e+00 468 2012 10 4.31834e+00 5.70294e+00 828 2012 11 1.87106e+00 1.07956e+00 1062 2012 12 1.38344e+00 7.16314e-01 772 2013 1 5.87629e-01 2.92607e-01 704 2013 2 3.86325e-01 1.40049e-01 640 2013 3 7.07841e-01 5.58209e-01 832 2013 4 1.78417e+00 2.29448e+00 378 2013 5 1.38242e+00 1.08809e+00 572 2013 6 1.88829e+00 1.65601e+00 416 2013 7 2.84073e+00 1.34349e+00 125 2013 8 1.08812e+01 8.49937e+00 272 2013 9 6.91074e+00 5.58510e+00 619 2013 10 2.73929e+00 2.68613e+00 887 2013 11 1.27523e+00 6.57002e-01 577 2013 12 2.57165e-01 1.06245e-01 635 2014 1 4.40714e-01 1.66278e-01 576 2014 2 1.60837e+00 2.27437e+00 656 2014 3 1.66200e+00 1.22186e+00 615 2014 4 3.43570e+00 1.88622e+00 308 2014 5 6.72147e+00 8.47943e+00 209 2014 6 4.59281e+00 2.51824e+00 286 2014 7 2.49609e+00 1.72472e+00 571 2014 8 8.57304e-01 2.03387e-01 395 2014 9 3.13872e+00 2.40168e+00 648 2014 10 1.51494e+00 1.48577e+00 1360 2014 11 3.56413e-01 1.69305e-01 946 2014 12 3.15886e-01 2.07824e-01 792 2015 1 2.64303e-01 2.43115e-01 868 2015 2 8.73475e-01 9.13371e-01 823 2015 3 3.60612e+00 2.67236e+00 469 2015 4 3.83688e+00 2.75816e+00 189 2015 5 8.30875e-01 3.34373e-01 858 2015 6 6.41852e-01 3.91870e-01 525 2015 7 9.60000e-01 6.18177e-01 294 2015 8 2.77333e+00 1.26154e+00 445 2015 9 2.21927e+00 1.59835e+00 380 2015 10 6.67244e-01 5.81945e-01 901 2015 11 9.76941e-01 6.09970e-01 757 2015 12 3.37938e-01 2.30439e-01 536 2016 1 4.25694e-01 1.90671e-01 701 2016 2 8.60142e-01 3.74517e-01 1173 2016 3 1.12859e+00 9.56205e-01 698 2016 4 1.67362e+00 1.11461e+00 488 2016 5 8.30938e-01 5.17958e-01 889 2016 6 6.07012e-01 2.78119e-01 545 2016 7 9.62139e-01 1.88405e+00 866 2016 8 1.21151e+00 9.91369e-01 739 2016 9 2.86694e+00 3.60502e+00 880 2016 10 3.58317e-01 1.60599e-01 931 2016 11 2.04955e-01 5.34123e-02 883 2016 12 1.99981e-01 6.74903e-02 746 2017 1 2.55995e-01 1.36161e-01 768 2017 2 4.17073e-01 3.47996e-01 1082 2017 3 2.58183e-01 1.28481e-01 1260 2017 4 3.81601e-01 1.67999e-01 886 2017 5 4.47843e-01 1.34397e-01 510 2017 6 8.38858e-01 8.05208e-01 386 2017 7 1.51914e+00 8.72103e-01 256 2017 8 1.22914e+00 5.58900e-01 507 2017 9 1.70854e+00 2.09266e+00 702 2017 10 5.18916e+00 6.36281e+00 700 2017 11 8.09756e-01 7.67244e-01 1052 2017 12 3.62672e-01 1.69962e-01 768 2018 1 3.02348e-01 1.21692e-01 752 2018 2 3.56890e-01 3.08302e-01 563 2018 3 3.26619e-01 3.08078e-01 878 2018 4 4.81951e-01 2.63268e-01 582 2018 5 3.59156e-01 2.17929e-01 564 2018 6 9.63757e-01 3.71028e-01 321 2018 7 5.59692e+00 5.44899e+00 234 2018 8 2.67762e+00 2.70185e+00 374 2018 9 2.69590e+00 1.90332e+00 929 2018 10 2.00626e+00 1.71649e+00 1024 2018 11 1.27330e+00 1.25330e+00 355 2018 12 1.64585e+00 1.29009e+00 660 2019 1 3.54162e+00 3.76885e+00 670 2019 2 5.87801e+00 4.85000e+00 376 2019 3 2.39480e+00 1.59281e+00 680 2019 4 1.57774e+00 8.26963e-01 373 2019 5 1.00574e+00 8.02131e-01 886 2019 6 1.19635e+00 7.17880e-01 254 2019 7 9.71946e-01 5.30401e-01 447 2019 8 2.30553e+00 2.10681e+00 576 2019 9 5.80727e-01 2.87836e-01 975 2019 10 5.85336e-01 2.84644e-01 793 2019 11 3.88447e-01 3.36002e-01 776 2019 12 4.12725e-01 2.13023e-01 657 2020 1 2.31677e-01 1.06414e-01 594 2020 2 3.64011e-01 3.12008e-01 644 2020 3 4.30267e-01 4.22773e-01 688 2020 4 4.61416e-01 2.05924e-01 702 2020 5 4.19834e-01 3.25744e-01 603 2020 6 1.02865e+00 7.43333e-01 655 2020 7 9.71504e-01 1.01604e+00 446 2020 8 7.22323e-01 3.59740e-01 276 2020 9 1.78832e+00 8.50188e-01 514 2020 10 2.10117e+00 2.83492e+00 880 2020 11 7.84812e-01 7.41967e-01 972 2020 12 2.96775e-01 1.61786e-01 659 2021 1 6.10335e-01 3.50304e-01 579 2021 2 1.30220e+00 7.59291e-01 502 2021 3 1.50301e+00 2.19090e+00 681 2021 4 1.48301e+00 1.23739e+00 601 2021 5 1.43696e+00 1.33686e+00 717 2021 6 6.20390e-01 3.61436e-01 292 2021 7 1.35327e+00 1.18272e+00 297 2021 8 3.08429e+00 3.07298e+00 256 2021 9 6.65161e+00 6.31138e+00 470 2021 10 7.06284e+00 9.92460e+00 758 2021 11 1.70393e+00 1.22426e+00 829 2021 12 1.70132e+00 1.19887e+00 567 2022 1 1.16765e+00 6.95959e-01 991 2022 2 4.75368e-01 1.81912e-01 828 2022 3 6.07579e-01 3.89053e-01 830 2022 4 2.87033e+00 2.70704e+00 206 2022 5 1.44219e+00 9.09789e-01 616 2022 6 1.16448e+00 5.45474e-01 489 2022 7 1.09655e+00 1.06116e+00 271 2022 8 2.57881e+00 4.91323e+00 458 2022 9 2.88811e+00 3.87110e+00 444 2022 10 5.20849e-01 2.37601e-01 1321 2022 11 6.61520e-01 1.86112e+00 509 2022 12 3.55360e-01 2.91799e-01 990 2023 1 4.22741e-01 1.79871e-01 884 2023 2 4.71706e-01 1.80551e-01 640 2023 3 1.02207e+00 8.61176e-01 828 2023 4 7.67013e-01 4.06076e-01 405 2023 5 1.04083e+00 4.04428e-01 512 2023 6 5.59078e-01 4.36614e-01 276 2023 7 9.97904e-01 6.81052e-01 512 2023 8 2.44249e+00 1.22782e+00 542 2023 9 3.04991e+00 3.16377e+00 539 2023 10 1.21768e+00 8.42020e-01 779 2023 11 3.95294e-01 1.91118e-01 750 2023 12 5.81150e-01 4.76338e-01 432 2024 1 1.40119e+00 7.68252e-01 578 2024 2 4.02131e+00 7.88393e+00 545 2024 3 3.65614e+00 1.88641e+00 223 2024 4 nan nan 0