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 4.79303e-01 4.44522e-01 221 2002 8 4.14373e+00 3.73957e+00 444 2002 9 5.92683e-01 1.19351e+00 503 2002 10 1.57845e+00 1.67649e+00 656 2002 11 6.64126e-01 1.13911e+00 388 2002 12 1.68877e+00 1.93629e+00 483 2003 1 5.80258e+00 4.55748e+00 754 2003 2 4.56554e+00 4.17353e+00 512 2003 3 2.79500e+00 3.33911e+00 550 2003 4 2.97882e-01 3.57082e-01 467 2003 5 1.89262e+00 1.66547e+00 230 2003 6 6.04044e-01 8.06290e-01 250 2003 7 2.02879e+00 2.67826e+00 482 2003 8 6.51891e-01 4.59130e-01 238 2003 9 1.25396e+00 1.38661e+00 650 2003 10 4.38565e-01 7.80365e-01 481 2003 11 3.81021e-01 1.16867e+00 526 2003 12 8.30434e-01 1.36959e+00 694 2004 1 1.27588e+01 3.81845e+00 820 2004 2 9.52933e+00 5.67501e+00 737 2004 3 4.12661e+00 3.73725e+00 560 2004 4 5.11830e-02 8.79476e-02 280 2004 5 1.97471e+00 1.34175e+00 140 2004 6 1.50330e+00 2.07032e+00 335 2004 7 3.40251e+00 7.79761e-01 64 2004 8 2.29023e+00 2.06175e+00 505 2004 9 2.51742e+00 1.91031e+00 466 2004 10 6.83928e-01 7.65131e-01 649 2004 11 1.48427e+00 1.79636e+00 753 2004 12 1.72576e+00 1.51126e+00 445 2005 1 1.14593e-01 1.89412e-01 432 2005 2 1.12569e+00 1.59434e+00 400 2005 3 1.99839e+00 2.71708e+00 558 2005 4 2.69674e-01 8.99006e-01 646 2005 5 2.56543e-01 3.28071e-01 240 2005 6 1.27698e+00 1.86214e+00 337 2005 7 5.21970e-01 5.46448e-01 242 2005 8 2.65178e+00 1.45481e+00 348 2005 9 6.58794e-01 6.84117e-01 796 2005 10 1.06843e+00 1.35631e+00 380 2005 11 8.14077e-01 1.07901e+00 589 2005 12 2.09135e+00 2.65665e+00 747 2006 1 3.23180e+00 2.70156e+00 672 2006 2 4.34873e+00 3.61358e+00 550 2006 3 5.12642e+00 2.42813e+00 648 2006 4 6.05242e+00 4.43781e+00 457 2006 5 3.23390e+00 3.04454e+00 150 2006 6 9.01385e-01 2.64110e-01 136 2006 7 6.53235e-02 1.03270e-01 7 2006 8 2.48122e+00 2.73508e+00 484 2006 9 7.44950e-01 2.51787e+00 487 2006 10 1.15272e+00 1.12572e+00 638 2006 11 1.38653e+00 2.96479e+00 286 2006 12 2.61221e+00 1.71928e+00 487 2007 1 5.17239e+00 4.44418e+00 558 2007 2 1.11384e+01 5.59794e+00 645 2007 3 4.29496e+00 4.13583e+00 648 2007 4 5.44490e-01 6.76756e-01 358 2007 5 3.09319e-01 4.75204e-01 411 2007 6 9.86371e-01 8.74764e-01 102 2007 7 4.87017e+00 4.50231e+00 406 2007 8 9.32592e-01 6.49187e-01 386 2007 9 6.02126e-01 1.08347e+00 676 2007 10 2.78645e-01 2.00201e-01 511 2007 11 1.04246e+00 1.06697e+00 595 2007 12 1.48302e+00 1.78368e+00 340 2008 1 3.20416e+00 3.22761e+00 521 2008 2 3.59407e+00 2.52543e+00 436 2008 3 3.44075e+00 2.37185e+00 623 2008 4 2.02441e+00 3.47821e+00 638 2008 5 1.33688e+00 3.11713e+00 171 2008 6 3.21822e+00 3.56245e+00 211 2008 7 3.02463e+00 3.30822e+00 213 2008 8 2.07404e+00 3.25223e+00 695 2008 9 2.78762e+00 3.20669e+00 783 2008 10 1.69395e+00 3.40451e+00 810 2008 11 9.87607e-01 9.83675e-01 511 2008 12 3.21439e+00 3.30676e+00 407 2009 1 1.41996e+01 5.04751e+00 905 2009 2 1.52398e+01 6.80519e+00 630 2009 3 8.90398e+00 4.06511e+00 660 2009 4 6.86458e-01 9.95102e-01 376 2009 5 1.06434e+00 1.12310e+00 121 2009 6 7.44436e-01 7.53084e-01 167 2009 7 1.14312e+00 1.48053e+00 365 2009 8 1.81491e+00 1.10048e+00 247 2009 9 4.79185e-01 6.47711e-01 623 2009 10 2.13917e+00 2.00510e+00 430 2009 11 5.41409e-01 5.00788e-01 534 2009 12 2.39791e+00 2.00554e+00 505 2010 1 6.70639e+00 4.26133e+00 651 2010 2 5.60070e+00 4.76457e+00 508 2010 3 1.26340e-01 2.98078e-01 580 2010 4 2.84799e-02 4.11211e-02 534 2010 5 1.74324e+00 3.67642e+00 608 2010 6 2.93433e+00 3.49305e+00 242 2010 7 1.94168e+00 1.56298e+00 438 2010 8 1.60236e+00 2.12216e+00 540 2010 9 1.03753e+00 1.29896e+00 674 2010 10 1.31440e+00 6.91102e-01 620 2010 11 1.14400e+00 1.56183e+00 567 2010 12 1.13413e+00 1.22056e+00 346 2011 1 3.32808e+00 2.96007e+00 363 2011 2 1.01488e+01 4.44408e+00 549 2011 3 3.68100e+00 3.45228e+00 598 2011 4 2.08640e+00 2.84456e+00 250 2011 5 3.04514e-01 2.90801e-01 179 2011 6 1.03245e+00 4.21972e-01 129 2011 7 1.45337e+00 1.51283e+00 455 2011 8 4.83917e+00 5.38395e+00 662 2011 9 2.65893e+00 2.12709e+00 437 2011 10 5.40194e-01 6.46878e-01 346 2011 11 9.87472e-01 2.89329e+00 559 2011 12 1.11661e+00 1.28039e+00 493 2012 1 3.55763e+00 3.75975e+00 478 2012 2 6.21628e+00 2.51454e+00 693 2012 3 1.43559e+00 1.51756e+00 729 2012 4 7.11320e+00 5.40527e+00 302 2012 5 2.63409e+00 3.40311e+00 245 2012 6 1.34159e+00 1.37606e+00 389 2012 7 2.22027e+00 1.71234e+00 644 2012 8 1.75348e+00 2.08371e+00 501 2012 9 1.72752e+00 2.64762e+00 736 2012 10 1.37381e+00 1.69404e+00 476 2012 11 1.17595e-01 1.85604e-01 556 2012 12 2.94500e+00 2.36282e+00 254 2013 1 2.21516e+00 1.93971e+00 553 2013 2 1.33751e+00 2.12183e+00 492 2013 3 1.42369e-01 2.27614e-01 191 2013 4 1.64707e+00 1.53968e+00 708 2013 5 2.07908e+00 2.16328e+00 231 2013 6 5.40183e-01 5.51877e-01 234 2013 7 2.17452e+00 2.37722e+00 187 2013 8 7.59408e-01 9.92888e-01 490 2013 9 2.28106e+00 2.55343e+00 1227 2013 10 2.12932e+00 2.60092e+00 577 2013 11 9.58134e-01 1.04273e+00 883 2013 12 2.01773e+00 2.53631e+00 585 2014 1 1.77300e+00 2.46364e+00 564 2014 2 3.01602e+00 3.61575e+00 471 2014 3 5.51175e+00 4.21611e+00 446 2014 4 8.33164e-01 7.31639e-01 493 2014 5 1.33845e+00 1.45173e+00 363 2014 6 2.92759e+00 3.08282e+00 379 2014 7 2.39694e+00 2.41877e+00 217 2014 8 1.64065e+00 1.71175e+00 688 2014 9 1.21427e+00 1.45106e+00 754 2014 10 5.87666e-01 6.44886e-01 503 2014 11 1.82918e+00 2.54705e+00 377 2014 12 2.84671e-01 1.56318e-01 225 2015 1 4.32238e+00 3.07388e+00 535 2015 2 2.13214e+00 2.41766e+00 250 2015 3 7.57613e+00 5.25888e+00 688 2015 4 6.16557e+00 5.02730e+00 539 2015 5 1.85569e+00 2.73255e+00 307 2015 6 2.93812e+00 1.32965e+00 230 2015 7 6.02685e-01 7.61769e-01 157 2015 8 2.57562e+00 2.20291e+00 535 2015 9 1.83861e+00 2.04140e+00 803 2015 10 1.08683e+00 1.25397e+00 712 2015 11 8.35741e-01 6.48632e-01 816 2015 12 8.61678e-01 8.29306e-01 439 2016 1 6.95839e-01 1.63424e+00 563 2016 2 5.61243e-01 7.71349e-01 553 2016 3 1.17102e+00 1.15855e+00 515 2016 4 1.05925e+00 9.86700e-01 653 2016 5 1.53199e+00 8.78747e-01 212 2016 6 4.68700e+00 4.30273e+00 445 2016 7 2.52834e+00 2.22731e+00 343 2016 8 2.12526e+00 2.31587e+00 833 2016 9 2.76936e+00 3.52610e+00 601 2016 10 7.98678e-01 9.53965e-01 534 2016 11 6.38599e-01 6.99579e-01 781 2016 12 7.04325e-01 1.41081e+00 637 2017 1 2.41910e+00 2.11208e+00 520 2017 2 3.07334e+00 2.71224e+00 476 2017 3 3.35288e+00 3.96393e+00 817 2017 4 1.13778e+00 1.70594e+00 463 2017 5 8.94603e-01 8.21760e-01 235 2017 6 8.22717e-01 6.24851e-01 150 2017 7 4.19025e+00 3.78237e+00 435 2017 8 5.69800e-01 6.22016e-01 532 2017 9 1.12706e+00 2.09044e+00 591 2017 10 2.76763e-01 3.88540e-01 809 2017 11 1.38703e+00 1.89707e+00 700 2017 12 3.34026e+00 3.04723e+00 335 2018 1 5.84530e+00 4.95011e+00 568 2018 2 5.01591e+00 3.42256e+00 385 2018 3 1.20070e+00 1.67508e+00 348 2018 4 3.06306e+00 2.19927e+00 526 2018 5 1.66631e+00 2.66485e+00 356 2018 6 2.81050e+00 2.50642e+00 429 2018 7 1.95744e+00 1.98432e+00 598 2018 8 1.99509e+00 4.65089e+00 420 2018 9 1.80400e+00 1.86857e+00 218 2018 10 7.43269e-01 5.10680e-01 453 2018 11 4.32651e-01 6.28850e-01 610 2018 12 2.86417e+00 1.76908e+00 958 2019 1 6.08349e+00 4.96998e+00 616 2019 2 8.52547e+00 4.07208e+00 434 2019 3 8.91015e+00 4.30613e+00 562 2019 4 2.20747e+00 1.72974e+00 415 2019 5 1.23025e+00 2.02631e+00 221 2019 6 2.15044e+00 1.95227e+00 253 2019 7 1.40006e+00 1.44287e+00 494 2019 8 9.29124e-01 9.64918e-01 353 2019 9 2.51007e-01 3.27099e-01 780 2019 10 3.63783e-01 2.89928e-01 275 2019 11 6.26712e-01 1.05402e+00 699 2019 12 2.15578e+00 2.08810e+00 504 2020 1 4.02026e+00 3.66184e+00 638 2020 2 4.86636e+00 4.48244e+00 632 2020 3 1.09748e+00 9.43126e-01 598 2020 4 8.01200e-02 9.64557e-02 317 2020 5 2.37772e+00 2.83192e+00 607 2020 6 1.52584e+00 1.33917e+00 286 2020 7 2.88781e+00 3.43077e+00 480 2020 8 1.57406e+00 5.40171e-01 188 2020 9 3.98500e-01 8.06256e-01 585 2020 10 1.37612e+00 1.55528e+00 603 2020 11 1.42841e+00 1.23490e+00 410 2020 12 1.94879e-01 2.18013e-01 326 2021 1 1.56993e+00 1.41747e+00 504 2021 2 3.20272e+00 2.80012e+00 376 2021 3 2.76734e+00 2.02257e+00 994 2021 4 4.67195e+00 2.64401e+00 497 2021 5 1.69943e+00 1.97530e+00 422 2021 6 6.19585e+00 5.84426e+00 242 2021 7 4.30129e-01 2.87101e-01 142 2021 8 1.26839e+00 2.29066e+00 207 2021 9 1.69190e+00 3.63330e+00 565 2021 10 6.17109e-01 7.89120e-01 574 2021 11 1.81821e-01 1.63534e-01 877 2021 12 3.44136e-01 4.68162e-01 252 2022 1 3.93438e+00 4.16688e+00 358 2022 2 3.42993e+00 3.64907e+00 719 2022 3 7.12642e+00 3.48159e+00 489 2022 4 1.25009e+00 8.67030e-01 229 2022 5 1.85894e+00 2.67342e+00 193 2022 6 4.02625e+00 2.61177e+00 391 2022 7 4.52778e+00 2.78496e+00 553 2022 8 3.67432e+00 1.86787e+00 680 2022 9 1.23038e+00 6.82418e+00 540 2022 10 5.84866e-01 4.95497e-01 973 2022 11 3.46940e+00 2.50044e+00 1009 2022 12 3.46904e-01 5.93877e-01 530 2023 1 7.49929e-01 1.06038e+00 308 2023 2 6.20787e+00 5.77419e+00 469 2023 3 3.63835e+00 2.87579e+00 516 2023 4 4.59860e+00 1.66980e+00 501 2023 5 1.02256e+00 1.18793e+00 323 2023 6 5.40013e+00 5.72503e+00 335 2023 7 3.60899e+00 3.07006e+00 380 2023 8 1.25783e+00 1.41233e+00 564 2023 9 1.61297e+00 2.51533e+00 442 2023 10 1.45460e+00 3.65017e+00 688 2023 11 6.16941e-01 1.11705e+00 655 2023 12 5.41627e-01 8.67125e-01 446 2024 1 1.15070e+00 1.89672e+00 511 2024 2 1.90645e+00 2.89878e+00 958 2024 3 1.00062e+00 1.01013e+00 512 2024 4 nan nan 0