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 2.18883e+00 1.88237e+00 206 2002 8 3.70248e+00 5.87809e+00 335 2002 9 1.17369e+00 2.28187e+00 424 2002 10 2.78350e+00 3.19591e+00 942 2002 11 2.11895e+00 1.79752e+00 703 2002 12 2.13488e+00 2.70821e+00 471 2003 1 1.24556e+00 1.78709e+00 722 2003 2 7.54080e+00 4.45976e+00 410 2003 3 3.94469e+00 3.65661e+00 255 2003 4 6.57827e+00 5.77003e+00 443 2003 5 6.44835e+00 3.28041e+00 447 2003 6 7.01283e+00 2.79947e+00 122 2003 7 5.31666e+00 3.72409e+00 182 2003 8 1.38859e+01 8.70175e+00 139 2003 9 1.13504e+01 1.82573e+01 144 2003 10 4.84973e+00 5.96534e+00 687 2003 11 6.36966e+00 5.77480e+00 704 2003 12 3.26649e+00 4.90373e+00 685 2004 1 5.85726e+00 4.51372e+00 784 2004 2 5.98521e+00 3.20838e+00 567 2004 3 1.11348e+01 4.57083e+00 663 2004 4 1.58308e+01 3.82797e+00 235 2004 5 1.33203e+01 3.47528e+00 462 2004 6 1.48825e+01 5.80600e+00 403 2004 7 9.79845e+00 5.04555e+00 430 2004 8 2.42965e+00 5.01361e+00 463 2004 9 6.04627e-01 1.77800e+00 167 2004 10 4.54686e+00 5.28482e+00 342 2004 11 3.34114e+00 3.99213e+00 654 2004 12 4.20903e-01 8.99705e-01 318 2005 1 2.81065e+00 2.49469e+00 884 2005 2 2.90969e+00 4.56088e+00 655 2005 3 7.60595e-01 6.52935e-01 334 2005 4 6.96178e+00 4.10137e+00 352 2005 5 1.00228e+01 3.07993e+00 265 2005 6 2.67358e+00 3.15154e+00 261 2005 7 5.96815e+00 5.07370e+00 250 2005 8 4.91195e+00 8.66075e+00 519 2005 9 1.74677e+00 1.79779e+00 446 2005 10 4.56810e+00 4.23114e+00 391 2005 11 1.13179e+00 1.97806e+00 761 2005 12 1.28961e+00 1.12600e+00 711 2006 1 1.54969e+00 1.39653e+00 387 2006 2 4.41800e+00 3.82881e+00 500 2006 3 1.19489e+01 3.50125e+00 846 2006 4 1.86403e+01 4.46632e+00 446 2006 5 2.14804e+01 4.76604e+00 439 2006 6 1.29092e+01 5.20899e+00 400 2006 7 7.23684e+00 3.70013e+00 388 2006 8 4.54414e+00 3.43643e+00 191 2006 9 2.58270e+00 4.74657e+00 375 2006 10 3.82303e+00 8.00666e+00 605 2006 11 3.12870e+00 2.71876e+00 525 2006 12 7.19357e+00 4.68627e+00 320 2007 1 6.75457e+00 3.75576e+00 479 2007 2 8.68157e+00 5.04907e+00 558 2007 3 1.48006e+01 8.29444e+00 469 2007 4 1.68675e+01 5.69356e+00 422 2007 5 1.56027e+01 5.08032e+00 281 2007 6 1.81716e+01 4.30772e+00 250 2007 7 1.04327e+01 5.34109e+00 270 2007 8 5.95863e+00 3.68470e+00 458 2007 9 2.90860e+00 3.90494e+00 671 2007 10 3.60627e+00 3.65122e+00 495 2007 11 1.10318e+01 5.02712e+00 830 2007 12 1.18733e+01 5.39325e+00 819 2008 1 1.27792e+01 6.35490e+00 732 2008 2 1.15890e+01 5.19060e+00 514 2008 3 1.16256e+01 8.23889e+00 441 2008 4 1.42166e+01 4.49380e+00 471 2008 5 1.40332e+01 2.98283e+00 553 2008 6 1.20798e+01 3.51483e+00 377 2008 7 1.20195e+01 1.20392e+01 309 2008 8 3.72433e+00 3.44025e+00 143 2008 9 2.45897e+00 4.96385e+00 457 2008 10 4.97932e+00 6.90023e+00 877 2008 11 7.19297e+00 3.69558e+00 965 2008 12 5.18231e+00 3.74025e+00 961 2009 1 4.85864e+00 3.85750e+00 684 2009 2 9.33471e+00 6.10206e+00 664 2009 3 1.10670e+01 5.86380e+00 708 2009 4 5.70033e+00 6.82242e+00 323 2009 5 8.31054e+00 3.51459e+00 405 2009 6 1.26690e+01 2.97142e+00 170 2009 7 7.73279e+00 4.02994e+00 203 2009 8 6.11847e+00 5.79568e+00 351 2009 9 5.42520e+00 1.01513e+01 653 2009 10 2.49854e+00 2.60703e+00 845 2009 11 6.45787e+00 3.64185e+00 558 2009 12 2.23859e+00 2.17568e+00 397 2010 1 5.41948e-01 5.46863e-01 427 2010 2 2.34503e+00 2.75172e+00 255 2010 3 6.66142e+00 6.82288e+00 359 2010 4 6.48509e+00 5.82478e+00 309 2010 5 1.11012e+01 3.03365e+00 508 2010 6 9.96266e+00 2.55287e+00 368 2010 7 1.22805e+01 4.69269e+00 258 2010 8 3.89359e+00 5.53149e+00 333 2010 9 4.99423e+00 5.57505e+00 467 2010 10 1.01380e+01 5.18079e+00 900 2010 11 8.70788e+00 3.70848e+00 1062 2010 12 1.22096e+00 1.75200e+00 575 2011 1 2.23428e+00 4.39048e+00 380 2011 2 1.20533e+01 5.98566e+00 695 2011 3 1.73353e+01 4.78611e+00 898 2011 4 1.05273e+01 6.46618e+00 542 2011 5 9.81293e+00 4.07300e+00 499 2011 6 1.17461e+01 3.58548e+00 434 2011 7 7.01893e+00 4.07340e+00 344 2011 8 1.30942e+01 7.88404e+00 35 2011 9 2.59143e+00 3.81805e+00 382 2011 10 1.88564e+00 1.66257e+00 378 2011 11 3.39244e+00 3.90668e+00 843 2011 12 5.37187e+00 4.53875e+00 1065 2012 1 8.21630e+00 5.28897e+00 771 2012 2 1.40732e+01 5.60316e+00 471 2012 3 1.04607e+01 4.45148e+00 748 2012 4 1.45606e+01 5.41105e+00 356 2012 5 1.47309e+01 5.38074e+00 378 2012 6 1.24301e+01 2.28428e+00 84 2012 7 5.60276e+00 3.82567e+00 154 2012 8 4.76194e+00 3.85694e+00 187 2012 9 3.91939e+00 3.15255e+00 264 2012 10 8.66272e-01 1.82294e+00 394 2012 11 6.65293e+00 3.78283e+00 853 2012 12 4.27844e+00 2.83772e+00 413 2013 1 2.75109e+00 2.83749e+00 775 2013 2 2.59248e+00 2.80007e+00 798 2013 3 7.14180e+00 5.21747e+00 544 2013 4 9.97471e+00 3.86790e+00 415 2013 5 1.25526e+01 3.01564e+00 432 2013 6 4.66401e+00 2.93268e+00 360 2013 7 5.61877e+00 8.50387e+00 229 2013 8 1.60859e+01 2.02268e+01 177 2013 9 5.25121e+00 9.90694e+00 164 2013 10 6.81532e+00 5.50505e+00 713 2013 11 7.26553e+00 3.07557e+00 373 2013 12 8.02673e+00 3.45837e+00 762 2014 1 7.46221e+00 5.35601e+00 494 2014 2 7.61233e+00 4.35453e+00 648 2014 3 7.42851e+00 6.90544e+00 555 2014 4 1.56271e+01 3.72632e+00 287 2014 5 1.14139e+01 4.96955e+00 433 2014 6 1.25031e+01 3.23188e+00 353 2014 7 8.34234e+00 5.37263e+00 223 2014 8 4.96233e+00 3.72349e+00 444 2014 9 1.99555e+00 2.09813e+00 305 2014 10 2.18350e+00 2.70929e+00 676 2014 11 4.80006e+00 3.48268e+00 750 2014 12 7.38591e+00 3.46513e+00 844 2015 1 6.53711e+00 4.98846e+00 420 2015 2 5.08171e+00 4.85787e+00 719 2015 3 9.75325e+00 5.93314e+00 1011 2015 4 1.24419e+01 4.16092e+00 241 2015 5 1.44807e+01 2.99104e+00 582 2015 6 1.11857e+01 4.86214e+00 434 2015 7 3.87961e+00 4.12930e+00 256 2015 8 3.15249e+00 5.01070e+00 388 2015 9 6.52177e-02 4.29830e-02 45 2015 10 7.40802e-01 1.67064e+00 463 2015 11 4.34234e+00 4.48599e+00 751 2015 12 3.04783e+00 1.82731e+00 256 2016 1 3.44926e+00 4.05201e+00 316 2016 2 2.30957e-01 3.05831e-01 374 2016 3 1.84792e+00 2.78190e+00 266 2016 4 5.02619e+00 2.99129e+00 324 2016 5 1.08951e+01 4.57179e+00 588 2016 6 6.85602e+00 5.09188e+00 401 2016 7 4.49686e+00 3.57510e+00 288 2016 8 5.71240e+00 6.43655e+00 226 2016 9 3.51081e+00 6.57772e+00 404 2016 10 2.60721e+00 2.21059e+00 611 2016 11 3.01560e+00 2.27625e+00 651 2016 12 8.15269e+00 5.83816e+00 820 2017 1 8.34799e+00 4.15256e+00 521 2017 2 6.57580e+00 4.33998e+00 873 2017 3 9.80520e+00 4.89807e+00 609 2017 4 5.29186e+00 3.37358e+00 273 2017 5 3.31846e+00 2.73321e+00 347 2017 6 5.18116e+00 4.33034e+00 168 2017 7 6.26695e+00 3.76760e+00 236 2017 8 3.27366e+00 4.40688e+00 475 2017 9 8.73660e-02 1.85872e-01 277 2017 10 5.94267e+00 6.69835e+00 425 2017 11 4.20251e+00 4.09654e+00 926 2017 12 4.42880e+00 4.19048e+00 745 2018 1 4.53200e+00 4.80145e+00 716 2018 2 5.15357e+00 2.67655e+00 716 2018 3 6.44097e+00 4.18654e+00 718 2018 4 1.18540e+01 3.69053e+00 656 2018 5 1.56996e+01 3.63392e+00 251 2018 6 3.13946e+00 2.28883e+00 306 2018 7 1.30624e+00 1.53201e+00 268 2018 8 1.06084e+01 1.23046e+01 348 2018 9 4.10063e-01 2.31130e+00 594 2018 10 4.07986e+00 1.03221e+01 523 2018 11 6.06304e-01 7.82221e-01 315 2018 12 2.95217e-01 3.40953e-01 380 2019 1 5.11249e-01 6.65020e-01 635 2019 2 3.69198e+00 3.51677e+00 561 2019 3 7.41067e+00 5.43194e+00 571 2019 4 4.80319e+00 4.79160e+00 334 2019 5 9.40828e+00 2.74196e+00 519 2019 6 1.03849e+01 4.96331e+00 282 2019 7 7.33962e+00 5.03394e+00 460 2019 8 8.27697e+00 7.28289e+00 128 2019 9 5.97148e+00 5.70189e+00 545 2019 10 4.73727e+00 4.43175e+00 665 2019 11 3.40534e+00 3.85033e+00 534 2019 12 1.65657e+00 2.99537e+00 464 2020 1 4.33920e+00 4.45932e+00 626 2020 2 7.39817e+00 6.52779e+00 472 2020 3 1.40542e+01 6.07798e+00 538 2020 4 1.12934e+01 6.64105e+00 229 2020 5 1.42380e+01 4.07854e+00 504 2020 6 8.64215e+00 2.42164e+00 392 2020 7 6.39851e+00 4.95395e+00 201 2020 8 3.87912e+00 2.24499e+00 373 2020 9 1.96083e+00 2.63234e+00 350 2020 10 6.58592e+00 1.18918e+01 369 2020 11 1.73114e+00 2.15047e+00 687 2020 12 3.11843e+00 2.03220e+00 461 2021 1 6.56257e+00 4.83200e+00 459 2021 2 5.18836e+00 3.44606e+00 588 2021 3 9.46233e+00 6.72159e+00 408 2021 4 9.17103e+00 2.73005e+00 474 2021 5 8.64925e+00 1.02957e+01 548 2021 6 1.07258e+01 2.73846e+00 200 2021 7 5.29797e+00 3.57755e+00 254 2021 8 3.99221e+00 6.82471e+00 256 2021 9 3.06504e-01 1.45539e+00 101 2021 10 2.48447e+00 5.96934e+00 706 2021 11 2.63823e+00 2.56264e+00 598 2021 12 5.06373e+00 3.59870e+00 841 2022 1 1.27880e+00 3.01643e+00 542 2022 2 3.22122e+00 4.30202e+00 697 2022 3 9.07572e+00 4.97257e+00 649 2022 4 1.43656e+01 3.59100e+00 247 2022 5 1.44665e+01 5.39217e+00 551 2022 6 1.21878e+01 2.24077e+00 159 2022 7 7.56311e+00 5.51207e+00 506 2022 8 2.49205e+00 1.79391e+00 283 2022 9 3.04145e+00 6.00680e+00 409 2022 10 1.62581e+00 4.35363e+00 559 2022 11 3.80639e-01 1.02491e+00 446 2022 12 2.82519e+00 2.62749e+00 752 2023 1 3.19518e+00 2.34674e+00 821 2023 2 1.63338e+00 2.17950e+00 1019 2023 3 5.20351e+00 3.73717e+00 1016 2023 4 7.39279e+00 6.07920e+00 512 2023 5 1.25195e+01 7.10051e+00 603 2023 6 1.21337e+01 7.40294e+00 322 2023 7 3.60512e+00 2.69464e+00 419 2023 8 5.10739e+00 5.03231e+00 441 2023 9 2.10934e+00 2.10752e+00 703 2023 10 2.37149e+00 3.02106e+00 730 2023 11 5.42440e+00 4.19517e+00 835 2023 12 4.00329e+00 4.54176e+00 332 2024 1 2.75286e+00 2.77271e+00 433 2024 2 8.68791e+00 5.55028e+00 779 2024 3 4.51807e+00 3.23058e+00 525 2024 4 nan nan 0