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 7.38905e-01 3.02257e-01 285 2002 8 8.44050e-01 2.21260e-01 395 2002 9 1.31407e+00 6.91870e-01 438 2002 10 1.10590e+00 5.52765e-01 808 2002 11 9.18949e-01 4.74950e-01 822 2002 12 8.78048e-01 4.36117e-01 650 2003 1 1.18873e+00 4.22927e-01 1009 2003 2 6.28371e-01 2.64531e-01 530 2003 3 4.74398e+00 3.00093e+00 122 2003 4 5.06251e+00 3.89722e+00 174 2003 5 7.28762e+00 7.61948e+00 122 2003 6 1.90752e+00 1.33388e+00 347 2003 7 4.93109e+00 7.05219e+00 252 2003 8 3.30457e+00 4.79380e+00 387 2003 9 2.55802e+00 1.60279e+00 640 2003 10 3.02033e+00 3.27327e+00 969 2003 11 1.00661e+00 5.25917e-01 1066 2003 12 9.76535e-01 4.82141e-01 839 2004 1 9.64211e-01 2.41091e+00 835 2004 2 6.56413e-01 3.20983e-01 358 2004 3 9.55045e-01 8.94254e-01 890 2004 4 5.20091e-01 2.05067e-01 511 2004 5 4.52318e-01 1.77413e-01 610 2004 6 8.58081e-01 1.11602e+00 414 2004 7 1.18387e+00 3.04122e-01 415 2004 8 1.16461e+00 1.25282e+00 618 2004 9 4.04245e+00 4.25186e+00 365 2004 10 1.47585e+01 8.77037e+00 256 2004 11 1.32665e+01 9.64240e+00 426 2004 12 5.88168e+00 3.41056e+00 476 2005 1 4.20256e+00 4.57420e+00 804 2005 2 3.01229e+00 2.48047e+00 518 2005 3 1.64019e+00 8.37152e-01 523 2005 4 2.31764e+00 1.18049e+00 593 2005 5 3.01992e+00 5.22448e+00 385 2005 6 4.52130e+00 4.94883e+00 556 2005 7 1.24350e+01 8.13867e+00 405 2005 8 6.49135e+00 4.34836e+00 129 2005 9 5.34921e+00 3.41714e+00 510 2005 10 2.01871e+00 1.32021e+00 945 2005 11 8.64059e-01 2.72247e-01 1133 2005 12 7.11306e-01 3.52896e-01 1088 2006 1 1.94790e+00 9.46640e-01 724 2006 2 2.01731e+00 1.49487e+00 768 2006 3 2.29131e+00 1.97629e+00 953 2006 4 1.36529e+00 2.91178e+00 406 2006 5 4.49058e-01 2.57088e-01 570 2006 6 6.31803e-01 2.67437e-01 306 2006 7 8.52495e-01 8.44125e-01 411 2006 8 7.18311e-01 3.29404e-01 327 2006 9 1.78052e+00 4.41193e+00 610 2006 10 8.54795e-01 4.39962e-01 1000 2006 11 5.38975e-01 3.02859e-01 931 2006 12 5.44517e-01 3.89999e-01 576 2007 1 2.93572e-01 1.70982e-01 443 2007 2 3.29655e-01 2.17827e-01 705 2007 3 2.78565e-01 1.72994e-01 1182 2007 4 4.50206e-01 4.39429e-01 684 2007 5 4.36398e-01 2.81517e-01 263 2007 6 4.42340e-01 1.81243e-01 435 2007 7 6.99228e-01 2.51595e-01 512 2007 8 1.18040e+00 3.64599e-01 468 2007 9 2.16943e+00 1.17833e+00 576 2007 10 7.40329e-01 7.88212e-01 778 2007 11 3.70251e-01 1.47507e-01 1273 2007 12 4.47205e-01 4.06872e-01 765 2008 1 3.67461e-01 2.97324e-01 640 2008 2 4.45378e-01 2.80507e-01 1049 2008 3 1.59634e+00 1.52310e+00 751 2008 4 2.54860e+00 3.91536e+00 775 2008 5 1.76310e+00 6.70528e-01 636 2008 6 1.64628e+00 1.12110e+00 407 2008 7 9.94372e-01 6.10555e-01 525 2008 8 9.34200e-01 2.04129e-01 256 2008 9 3.27969e+00 4.68713e+00 568 2008 10 1.65441e+00 1.23260e+00 949 2008 11 6.07543e-01 2.77980e-01 1010 2008 12 1.85052e+00 1.01775e+00 960 2009 1 1.46372e+00 4.92360e-01 832 2009 2 7.09631e-01 3.48382e-01 1029 2009 3 3.92732e-01 2.45058e-01 890 2009 4 8.45579e-01 5.93995e-01 542 2009 5 4.46104e+00 4.86416e+00 264 2009 6 6.13721e-01 2.41018e-01 400 2009 7 8.18677e-01 3.22746e-01 288 2009 8 2.09270e+00 9.27097e-01 584 2009 9 1.53593e+00 1.55423e+00 694 2009 10 6.56674e-01 2.53526e-01 962 2009 11 4.76160e-01 2.65068e-01 762 2009 12 7.39083e-01 3.92026e-01 256 2010 1 1.54096e+00 1.41556e+00 896 2010 2 2.96822e+00 1.80592e+00 775 2010 3 3.32222e+00 1.12349e+00 832 2010 4 2.29490e+00 1.45917e+00 381 2010 5 1.70047e+00 1.99180e+00 489 2010 6 1.04763e+00 4.93515e-01 634 2010 7 1.46368e+00 8.53350e-01 501 2010 8 2.46407e+00 2.02094e+00 366 2010 9 1.24415e+00 6.60395e-01 562 2010 10 6.11812e-01 3.00395e-01 1447 2010 11 3.47651e-01 2.38367e-01 1182 2010 12 5.42448e-01 3.80680e-01 1130 2011 1 3.58358e-01 1.48171e-01 641 2011 2 3.25206e-01 9.91512e-02 768 2011 3 2.77644e-01 1.71283e-01 953 2011 4 2.57696e-01 1.12702e-01 1013 2011 5 3.16527e-01 1.47125e-01 882 2011 6 4.01451e-01 1.14774e-01 256 2011 7 1.28179e+00 7.40783e-01 497 2011 8 5.73017e-01 2.66522e-01 626 2011 9 7.24777e-01 9.51507e-01 743 2011 10 4.71632e-01 3.61010e-01 1017 2011 11 2.91697e-01 1.73275e-01 1028 2011 12 3.25365e-01 1.21204e-01 1048 2012 1 3.65692e-01 2.65443e-01 1090 2012 2 3.19972e-01 1.53294e-01 310 2012 3 2.97791e-01 1.54353e-01 894 2012 4 3.88379e-01 1.53024e-01 973 2012 5 4.49798e-01 1.56662e-01 505 2012 6 8.76562e-01 6.10238e-01 245 2012 7 2.73623e+00 2.34177e+00 367 2012 8 8.04481e+00 7.20878e+00 354 2012 9 9.98098e+00 6.14305e+00 349 2012 10 4.44946e+00 3.66358e+00 775 2012 11 2.44092e+00 1.53765e+00 1054 2012 12 1.93229e+00 1.14584e+00 765 2013 1 9.42234e-01 4.13733e-01 704 2013 2 5.41564e-01 2.12240e-01 660 2013 3 5.95601e-01 3.32096e-01 800 2013 4 2.65963e+00 1.68151e+00 471 2013 5 1.65057e+00 1.32308e+00 582 2013 6 2.87004e+00 3.35029e+00 448 2013 7 3.88873e+00 4.69117e+00 144 2013 8 1.28140e+01 1.27095e+01 223 2013 9 1.08445e+01 7.62080e+00 624 2013 10 3.75398e+00 3.19592e+00 909 2013 11 1.85733e+00 8.31427e-01 528 2013 12 6.41175e-01 3.47393e-01 768 2014 1 6.39961e-01 1.82365e-01 576 2014 2 3.08660e+00 4.12616e+00 732 2014 3 2.24321e+00 1.35312e+00 696 2014 4 6.95739e+00 5.29730e+00 264 2014 5 1.62482e+01 8.49090e+00 130 2014 6 7.64859e+00 7.19344e+00 238 2014 7 3.52017e+00 2.09580e+00 641 2014 8 1.15076e+00 4.63025e-01 383 2014 9 3.52570e+00 2.17478e+00 444 2014 10 2.38576e+00 2.20836e+00 1464 2014 11 5.97909e-01 6.51151e-01 1135 2014 12 5.92421e-01 5.17632e-01 656 2015 1 5.06202e-01 5.94259e-01 794 2015 2 5.63901e-01 4.77276e-01 832 2015 3 5.32812e+00 5.70719e+00 352 2015 4 1.75633e+00 1.64535e+00 177 2015 5 1.15386e+00 6.51587e-01 723 2015 6 8.38758e-01 6.12469e-01 580 2015 7 1.27945e+00 6.81920e-01 317 2015 8 4.07091e+00 4.22771e+00 462 2015 9 3.98299e+00 4.11196e+00 368 2015 10 8.99376e-01 1.00051e+00 837 2015 11 1.65975e+00 1.16704e+00 893 2015 12 5.28870e-01 3.29256e-01 493 2016 1 6.57800e-01 2.59449e-01 640 2016 2 1.08184e+00 6.70567e-01 1253 2016 3 1.09454e+00 5.93328e-01 695 2016 4 1.40498e+00 6.89813e-01 436 2016 5 7.55460e-01 4.16330e-01 733 2016 6 5.60602e-01 2.16099e-01 573 2016 7 1.20530e+00 1.47300e+00 853 2016 8 1.57140e+00 2.45320e+00 670 2016 9 3.02630e+00 1.31569e+00 731 2016 10 6.90454e-01 5.61678e-01 1007 2016 11 2.60936e-01 1.02492e-01 1027 2016 12 3.20164e-01 1.33983e-01 831 2017 1 5.80399e-01 4.35405e-01 640 2017 2 7.95278e-01 6.97144e-01 1083 2017 3 4.57665e-01 3.78437e-01 1064 2017 4 6.71099e-01 8.73351e-01 809 2017 5 6.80356e-01 2.51904e-01 510 2017 6 7.07321e-01 2.18244e-01 279 2017 7 1.46628e+00 7.80574e-01 219 2017 8 2.81592e+00 3.65748e+00 543 2017 9 2.75520e+00 2.73349e+00 670 2017 10 5.16019e+00 3.37129e+00 427 2017 11 1.26827e+00 1.24204e+00 1230 2017 12 5.14300e-01 2.16513e-01 734 2018 1 4.08425e-01 1.61046e-01 640 2018 2 3.99848e-01 2.64443e-01 569 2018 3 4.28462e-01 2.51320e-01 945 2018 4 6.80962e-01 3.12447e-01 574 2018 5 5.35719e-01 3.59638e-01 576 2018 6 1.52517e+00 3.29282e+00 424 2018 7 1.84346e+00 1.72221e+00 204 2018 8 3.85698e+00 5.42459e+00 376 2018 9 2.22529e+00 1.04441e+00 681 2018 10 1.97261e+00 1.26073e+00 1001 2018 11 1.54744e+00 4.23978e-01 326 2018 12 3.14881e+00 4.27153e+00 644 2019 1 5.21289e+00 5.12929e+00 658 2019 2 7.21962e+00 5.23274e+00 333 2019 3 2.70368e+00 1.81835e+00 689 2019 4 1.95026e+00 7.49050e-01 359 2019 5 9.68234e-01 6.87743e-01 840 2019 6 1.12594e+00 6.48075e-01 265 2019 7 1.12815e+00 5.89916e-01 388 2019 8 4.82000e+00 5.66533e+00 562 2019 9 6.61046e-01 2.61511e-01 765 2019 10 8.90698e-01 5.38602e-01 668 2019 11 5.23304e-01 4.50698e-01 878 2019 12 6.56708e-01 3.10095e-01 695 2020 1 4.19203e-01 2.20933e-01 690 2020 2 6.22282e-01 3.40835e-01 578 2020 3 5.78542e-01 2.98111e-01 713 2020 4 8.46630e-01 5.70323e-01 636 2020 5 6.70100e-01 9.93462e-01 803 2020 6 9.59912e-01 8.96681e-01 680 2020 7 1.24572e+00 3.35888e+00 310 2020 8 1.02213e+00 3.02571e-01 119 2020 9 3.31046e+00 3.63860e+00 498 2020 10 4.33358e+00 6.12572e+00 844 2020 11 1.56256e+00 1.09232e+00 865 2020 12 4.18354e-01 3.58008e-01 831 2021 1 1.04752e+00 2.47186e+00 711 2021 2 2.09384e+00 3.30409e+00 554 2021 3 1.74661e+00 1.02951e+00 377 2021 4 1.88419e+00 1.77914e+00 526 2021 5 1.47037e+00 3.38721e+00 746 2021 6 6.98335e-01 6.97234e-01 170 2021 7 3.17379e+00 4.31926e+00 193 2021 8 1.22391e+01 1.22117e+01 240 2021 9 1.08901e+01 1.09841e+01 438 2021 10 4.85089e+00 5.25165e+00 502 2021 11 1.92853e+00 8.68067e-01 938 2021 12 1.41478e+00 7.96417e-01 673 2022 1 1.49024e+00 9.34278e-01 897 2022 2 7.06933e-01 4.21698e-01 982 2022 3 9.55172e-01 7.04509e-01 797 2022 4 4.47248e+00 1.70417e+00 66 2022 5 1.78318e+00 1.19296e+00 586 2022 6 1.51516e+00 9.63721e-01 485 2022 7 1.98715e+00 2.34297e+00 304 2022 8 2.68354e+00 2.99383e+00 403 2022 9 2.84114e+00 2.72714e+00 378 2022 10 4.77548e-01 2.83515e-01 1150 2022 11 7.35534e-01 3.04292e-01 527 2022 12 5.16633e-01 2.83215e-01 960 2023 1 4.78127e-01 2.69849e-01 980 2023 2 6.63600e-01 2.90484e-01 723 2023 3 1.21190e+00 7.84146e-01 715 2023 4 1.60451e+00 9.68510e-01 384 2023 5 1.32245e+00 8.57240e-01 449 2023 6 6.80546e-01 4.47397e-01 267 2023 7 3.17152e+00 3.71457e+00 428 2023 8 3.25907e+00 2.28060e+00 590 2023 9 3.31486e+00 2.04678e+00 509 2023 10 1.78754e+00 1.25194e+00 689 2023 11 5.52009e-01 2.95649e-01 704 2023 12 1.64185e+00 1.49814e+00 345 2024 1 4.24334e+00 4.35858e+00 594 2024 2 2.69199e+00 1.94448e+00 651 2024 3 3.18680e+00 1.02711e+00 320 2024 4 nan nan 0