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 1.74673e+01 1.14691e+01 87 2002 9 2.59407e-07 2.57792e-07 3 2002 10 8.21275e-01 2.10813e+00 835 2002 11 1.59373e+00 1.41049e+00 777 2002 12 6.77321e-01 1.04437e+00 309 2003 1 2.48255e-02 1.06853e-01 387 2003 2 7.56888e-01 6.06664e-01 391 2003 3 3.67556e+00 3.29027e+00 252 2003 4 1.14884e+01 5.17355e+00 397 2003 5 1.61391e+01 8.63358e+00 497 2003 6 2.61089e+01 3.52189e+00 64 2003 7 nan nan 0 2003 8 4.16861e+01 2.70575e+01 54 2003 9 nan nan 0 2003 10 1.44344e+00 5.61566e+00 80 2003 11 1.39974e+00 2.83473e+00 433 2003 12 3.63398e+00 3.69279e+00 709 2004 1 4.63724e+00 3.13810e+00 917 2004 2 6.01174e+00 4.17409e+00 614 2004 3 7.64041e+00 6.78752e+00 580 2004 4 1.84491e+01 7.51810e+00 375 2004 5 2.04210e+01 1.19161e+01 446 2004 6 2.56826e+01 9.05842e+00 359 2004 7 1.62457e+01 8.68281e+00 237 2004 8 7.13709e-02 1.02030e-01 51 2004 9 3.87419e-02 5.94623e-02 25 2004 10 3.68022e-02 6.71488e-02 103 2004 11 7.66373e+00 1.29429e+01 346 2004 12 2.96677e+00 9.00168e+00 474 2005 1 3.09673e+00 2.55196e+00 779 2005 2 4.36178e+00 2.67198e+00 768 2005 3 2.02734e+00 1.24923e+00 403 2005 4 4.17513e+00 5.62212e+00 537 2005 5 1.35754e+01 9.54946e+00 359 2005 6 nan nan 0 2005 7 5.05199e+00 5.40034e+00 64 2005 8 6.13995e-02 1.55174e-01 177 2005 9 2.93347e+00 3.09023e+00 287 2005 10 2.20368e+00 3.44812e+00 516 2005 11 5.07626e-01 4.32682e+00 454 2005 12 7.30196e-01 7.90449e-01 727 2006 1 1.64039e+00 1.40401e+00 523 2006 2 5.27119e+00 3.85453e+00 1022 2006 3 1.21800e+01 6.46162e+00 957 2006 4 3.05638e+01 8.86417e+00 432 2006 5 2.14119e+01 1.46872e+01 569 2006 6 1.79347e+01 4.90435e+00 428 2006 7 6.51507e+00 1.70288e+00 232 2006 8 4.41931e+00 1.84201e+00 163 2006 9 2.45934e-04 3.01127e-04 5 2006 10 4.82313e-02 3.69932e-02 80 2006 11 2.24708e+00 3.24614e+00 450 2006 12 5.97870e+00 4.91823e+00 238 2007 1 6.82394e+00 5.62510e+00 442 2007 2 1.40136e+01 6.56972e+00 651 2007 3 1.51032e+01 9.39798e+00 323 2007 4 2.14712e+01 1.05839e+01 366 2007 5 3.43603e+01 6.11501e+00 192 2007 6 2.99396e+01 1.11716e+01 222 2007 7 2.34384e+01 5.49999e+00 384 2007 8 1.20118e+01 6.03472e+00 356 2007 9 8.12467e+00 2.91371e+00 533 2007 10 6.89752e+00 9.05254e+00 376 2007 11 8.50396e+00 5.96887e+00 768 2007 12 1.48686e+01 5.53968e+00 698 2008 1 1.61467e+01 9.34531e+00 693 2008 2 2.42022e+01 9.46203e+00 743 2008 3 3.21039e+01 7.84124e+00 554 2008 4 2.98853e+01 7.85101e+00 402 2008 5 2.22828e+01 1.03786e+01 400 2008 6 1.52155e+01 4.80757e+00 232 2008 7 1.91910e+01 5.96187e+00 313 2008 8 1.07363e+00 1.06490e+00 128 2008 9 5.34947e+01 1.39171e+01 7 2008 10 6.30376e-01 1.96894e+00 538 2008 11 4.68898e+00 8.15671e+00 1045 2008 12 4.61429e+00 2.17423e+00 1130 2009 1 1.04554e+01 7.27433e+00 816 2009 2 1.04677e+01 6.64921e+00 891 2009 3 2.03277e+01 1.13172e+01 675 2009 4 2.71420e+01 7.81028e+00 384 2009 5 2.45754e+01 1.18818e+01 342 2009 6 7.29462e+00 3.27752e+00 128 2009 7 1.29597e+00 1.86615e+00 286 2009 8 3.16636e+00 2.77878e+00 243 2009 9 4.15636e-01 4.56124e-01 123 2009 10 1.56683e+00 7.68763e+00 312 2009 11 5.79277e+00 5.44711e+00 505 2009 12 5.15592e+00 2.89981e+00 384 2010 1 3.20447e+00 2.11265e+00 530 2010 2 3.56882e+00 2.39009e+00 576 2010 3 5.17627e+00 2.57470e+00 688 2010 4 4.18075e+00 3.00519e+00 197 2010 5 1.37115e+01 8.55205e+00 584 2010 6 1.87530e+01 8.54114e+00 458 2010 7 7.76579e+00 7.23063e+00 193 2010 8 6.46668e+00 5.97515e+00 283 2010 9 3.68864e+00 9.38064e+00 76 2010 10 1.92982e+00 2.08219e+00 828 2010 11 6.79010e+00 7.65138e+00 923 2010 12 5.42154e+00 2.82914e+00 1072 2011 1 8.72563e+00 4.38816e+00 577 2011 2 1.15141e+01 8.54801e+00 710 2011 3 1.42882e+01 5.84368e+00 1020 2011 4 8.66094e+00 6.06108e+00 526 2011 5 1.63162e+01 6.70569e+00 552 2011 6 1.92964e+01 4.64191e+00 381 2011 7 7.46277e+00 4.23962e+00 330 2011 8 7.59753e+00 9.18153e+00 120 2011 9 1.34897e+00 1.55663e+00 159 2011 10 2.00073e-01 7.70280e-01 381 2011 11 4.32902e-01 5.96762e-01 709 2011 12 4.12691e+00 3.26234e+00 922 2012 1 3.91463e+00 1.77898e+00 995 2012 2 1.47628e+01 8.98575e+00 759 2012 3 1.61182e+01 1.02728e+01 480 2012 4 2.03444e+01 1.20292e+01 412 2012 5 1.19115e+01 4.76870e+00 435 2012 6 8.95735e+00 1.05995e+01 110 2012 7 7.12827e-01 7.57623e-01 256 2012 8 1.80764e+00 2.23323e+00 180 2012 9 3.51404e+01 4.20881e+01 103 2012 10 1.97756e-02 2.23092e-02 95 2012 11 9.59107e-01 1.70925e+00 728 2012 12 2.08900e+00 3.99662e+00 544 2013 1 3.24831e+00 3.17123e+00 622 2013 2 9.89617e+00 6.87634e+00 827 2013 3 1.40564e+01 6.05819e+00 661 2013 4 2.53784e+01 6.22312e+00 374 2013 5 2.74853e+01 6.83000e+00 573 2013 6 9.23545e+00 8.81050e+00 279 2013 7 2.05409e-06 3.89365e-06 14 2013 8 5.51253e-05 7.47317e-05 3 2013 9 nan nan 0 2013 10 2.62704e+01 3.27473e+01 70 2013 11 1.92526e+00 3.93382e+00 292 2013 12 3.46249e+00 3.22103e+00 568 2014 1 6.76140e+00 4.57234e+00 734 2014 2 8.97039e+00 3.46676e+00 679 2014 3 1.17965e+01 7.19981e+00 713 2014 4 1.39058e+01 9.18476e+00 406 2014 5 1.53690e+01 4.68417e+00 447 2014 6 2.37301e+01 7.89238e+00 285 2014 7 1.48809e+01 9.28567e+00 155 2014 8 6.81502e+00 4.61786e+00 374 2014 9 2.14731e+00 1.52197e+00 203 2014 10 3.95707e+01 8.85236e+00 27 2014 11 8.38150e-01 1.24835e+00 431 2014 12 1.11129e+00 9.71150e-01 625 2015 1 3.24475e+00 2.95405e+00 558 2015 2 5.40876e+00 2.68306e+00 749 2015 3 8.45609e+00 4.73538e+00 686 2015 4 1.63349e+01 6.08280e+00 215 2015 5 2.15795e+01 8.64112e+00 326 2015 6 1.73133e+01 8.36518e+00 318 2015 7 1.02449e+01 2.33588e+00 128 2015 8 1.07162e+00 7.99205e-01 365 2015 9 7.86968e-06 1.11751e-05 11 2015 10 1.21760e+01 1.43598e+01 116 2015 11 1.08602e+01 1.46640e+01 191 2015 12 3.76681e+00 4.79151e+00 166 2016 1 2.21643e+00 3.27279e+00 387 2016 2 4.19271e-02 2.34310e-01 538 2016 3 1.32380e+00 4.29076e+00 383 2016 4 7.27941e+00 6.93274e+00 345 2016 5 1.36107e+01 8.66671e+00 410 2016 6 1.97215e+01 1.46851e+01 303 2016 7 3.25604e+00 3.03710e+00 144 2016 8 3.15044e+01 2.53232e+01 76 2016 9 2.74128e+01 2.71036e+01 127 2016 10 1.50392e-01 2.61106e-01 313 2016 11 1.48384e+00 2.04071e+00 507 2016 12 3.76632e+00 3.37418e+00 640 2017 1 6.34680e+00 4.91446e+00 707 2017 2 1.01660e+01 5.89244e+00 1036 2017 3 2.10312e+01 1.24157e+01 661 2017 4 3.10117e+01 3.75392e+00 299 2017 5 1.86894e+01 5.10887e+00 372 2017 6 nan nan 0 2017 7 8.49567e-01 1.66641e+00 119 2017 8 1.10300e+00 8.24119e-01 60 2017 9 nan nan 0 2017 10 4.36223e+00 1.01266e+01 16 2017 11 1.07890e+00 4.77483e+00 456 2017 12 1.99381e+00 2.16179e+00 904 2018 1 2.07250e+00 2.62358e+00 562 2018 2 7.13783e+00 4.58979e+00 484 2018 3 1.27063e+01 7.12518e+00 978 2018 4 2.57843e+01 9.92495e+00 747 2018 5 2.61752e+01 1.05686e+01 190 2018 6 3.86824e+00 1.96325e+00 67 2018 7 2.93143e+00 1.73518e+00 69 2018 8 nan nan 0 2018 9 nan nan 0 2018 10 2.17852e+01 1.89440e+01 27 2018 11 2.53307e+00 4.16356e+00 303 2018 12 3.25987e+00 2.87655e+00 490 2019 1 2.28186e+00 4.43993e+00 730 2019 2 2.60333e+00 2.18689e+00 453 2019 3 5.15726e+00 3.92821e+00 654 2019 4 1.24413e+01 5.07340e+00 496 2019 5 1.69877e+01 5.20108e+00 465 2019 6 1.87033e+01 6.34951e+00 356 2019 7 1.58092e+01 9.20644e+00 380 2019 8 3.57306e+01 4.12461e+01 28 2019 9 3.20066e-01 3.60391e-01 160 2019 10 2.47855e+00 3.35264e+00 433 2019 11 7.87223e+00 1.45182e+01 371 2019 12 4.13328e+00 3.00489e+00 460 2020 1 4.04099e+00 2.63594e+00 706 2020 2 5.22531e+00 4.29546e+00 681 2020 3 1.84156e+01 9.52652e+00 573 2020 4 2.44736e+01 1.05210e+01 320 2020 5 2.70615e+01 6.20827e+00 512 2020 6 1.72582e+01 7.33764e+00 395 2020 7 8.23923e+00 8.31459e+00 146 2020 8 7.05260e+00 4.78743e+00 335 2020 9 nan nan 0 2020 10 6.16913e-01 3.83031e-01 4 2020 11 1.30413e-01 1.13654e-01 58 2020 12 1.17020e+00 1.36130e+00 308 2021 1 2.44100e+00 3.58426e+00 500 2021 2 5.76173e+00 4.18763e+00 655 2021 3 7.98407e+00 3.53047e+00 384 2021 4 1.99377e+01 1.05099e+01 767 2021 5 2.02072e+01 4.83153e+00 527 2021 6 2.75157e+01 8.64278e+00 82 2021 7 9.77253e+00 9.50851e+00 314 2021 8 1.06836e+00 6.68064e-01 113 2021 9 7.96758e+00 1.86856e+01 13 2021 10 1.51852e+00 7.20445e+00 83 2021 11 6.81177e-01 1.28444e+00 351 2021 12 3.67534e+00 3.80490e+00 847 2022 1 5.51061e+00 3.70889e+00 724 2022 2 1.36409e+01 6.21284e+00 688 2022 3 1.44008e+01 7.59234e+00 634 2022 4 4.72741e+01 3.47505e+00 64 2022 5 2.76215e+01 1.35783e+01 576 2022 6 2.50241e+01 8.93174e+00 166 2022 7 9.85901e+00 2.19336e+00 307 2022 8 2.96477e+00 3.00086e+00 228 2022 9 4.91473e+00 6.53152e+00 177 2022 10 2.81504e-08 1.33648e-08 6 2022 11 2.05713e-01 5.01809e-01 130 2022 12 1.76166e+00 6.88924e+00 470 2023 1 1.58007e+00 1.76493e+00 892 2023 2 2.90570e+00 2.82331e+00 1086 2023 3 1.33305e+01 8.44102e+00 757 2023 4 2.33517e+01 1.43173e+01 434 2023 5 2.13349e+01 1.09811e+01 617 2023 6 1.36478e+01 9.82687e+00 245 2023 7 1.24972e+01 3.93396e+00 256 2023 8 5.78285e+00 4.84062e+00 302 2023 9 3.50761e+00 1.08886e+01 519 2023 10 2.30830e-02 1.94289e-01 116 2023 11 1.83716e+00 1.87602e+00 510 2023 12 3.02630e+00 1.59055e+00 223 2024 1 4.09179e-01 2.28316e-01 265 2024 2 5.02279e+00 3.76733e+00 938 2024 3 7.32968e+00 4.79244e+00 519 2024 4 nan nan 0