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 4.57953e-01 1.81337e+00 45 2002 8 1.03189e+01 1.36984e+01 125 2002 9 1.08378e+01 1.53067e+01 182 2002 10 7.36243e+00 1.26178e+01 553 2002 11 1.02635e+00 1.22134e+00 404 2002 12 1.49027e+00 3.22458e+00 538 2003 1 3.31949e-02 4.95786e-02 410 2003 2 4.30208e+00 1.03768e+01 487 2003 3 6.64677e+00 3.74529e+00 137 2003 4 4.65261e+00 3.36892e+00 360 2003 5 1.06093e+01 8.02465e+00 176 2003 6 4.60689e+00 1.77742e+00 55 2003 7 1.35518e+01 8.88099e+00 175 2003 8 1.21448e+01 1.43765e+01 127 2003 9 8.30316e+00 1.73122e+01 280 2003 10 6.78360e-01 4.80767e-01 409 2003 11 4.00274e+00 1.15775e+01 658 2003 12 2.62124e+00 1.91459e+00 684 2004 1 2.56858e+00 2.09897e+00 628 2004 2 7.97852e+00 9.84755e+00 350 2004 3 7.56374e+00 4.77117e+00 505 2004 4 1.00731e+01 6.17070e+00 288 2004 5 8.67448e+00 5.05096e+00 210 2004 6 9.72264e+00 6.12702e+00 281 2004 7 3.44205e+01 8.15772e-01 38 2004 8 3.74327e+00 4.66257e+00 154 2004 9 1.78727e+00 1.90481e+00 171 2004 10 1.98920e-01 3.53124e-01 413 2004 11 1.97844e-01 2.78071e-01 447 2004 12 3.11546e-01 4.10863e-01 274 2005 1 2.11378e+00 2.34022e+00 604 2005 2 3.56719e+00 2.68319e+00 521 2005 3 3.64850e+00 2.03979e+00 499 2005 4 2.97810e+00 1.81617e+00 457 2005 5 7.85182e+00 5.26846e+00 161 2005 6 1.96891e+01 4.85197e+00 82 2005 7 1.14088e+01 1.39885e+01 31 2005 8 1.25191e+01 6.77337e+00 132 2005 9 2.11582e+00 2.43673e+00 193 2005 10 6.09982e+00 9.18761e+00 475 2005 11 4.83603e+00 4.21382e+00 616 2005 12 2.36132e+00 1.81490e+00 636 2006 1 5.77644e+00 4.34654e+00 536 2006 2 1.06755e+01 5.25962e+00 884 2006 3 1.03404e+01 3.98807e+00 795 2006 4 9.59264e+00 3.58750e+00 516 2006 5 9.27014e+00 6.65558e+00 433 2006 6 8.38226e+00 7.82725e+00 349 2006 7 8.67969e+00 1.14424e+01 164 2006 8 6.66126e+00 4.05112e+00 281 2006 9 1.30064e+00 3.04164e+00 275 2006 10 1.37780e+00 1.54015e+00 681 2006 11 3.37649e+00 2.00789e+00 501 2006 12 6.40013e+00 8.81173e+00 219 2007 1 7.99386e+00 3.39499e+00 379 2007 2 1.21916e+01 6.31721e+00 559 2007 3 1.16373e+01 5.90616e+00 553 2007 4 1.05071e+01 7.23887e+00 395 2007 5 8.78805e+00 6.65226e+00 87 2007 6 1.12877e+01 5.70723e+00 141 2007 7 1.00102e+01 7.05735e+00 248 2007 8 6.52915e+00 3.30047e+00 182 2007 9 5.97020e+00 4.03468e+00 370 2007 10 6.91614e+00 4.75432e+00 300 2007 11 6.37642e+00 3.43844e+00 711 2007 12 8.67614e+00 5.19291e+00 687 2008 1 8.28391e+00 4.63769e+00 360 2008 2 1.24786e+01 6.18275e+00 466 2008 3 1.10475e+01 6.38441e+00 562 2008 4 6.37106e+00 8.44652e+00 317 2008 5 9.26112e+00 5.65202e+00 298 2008 6 1.33992e+01 9.76801e+00 338 2008 7 1.28390e+01 2.59218e+00 157 2008 8 3.25062e+00 1.87028e+00 161 2008 9 9.90827e+00 9.29153e+00 168 2008 10 1.11123e+01 1.25596e+01 782 2008 11 7.84528e+00 3.72954e+00 952 2008 12 9.34662e+00 3.73285e+00 836 2009 1 1.18774e+01 4.22604e+00 734 2009 2 1.29080e+01 4.28044e+00 710 2009 3 1.71675e+01 5.63107e+00 954 2009 4 8.49317e+00 2.69423e+00 194 2009 5 1.47810e+01 7.64823e+00 282 2009 6 1.57332e+01 5.36630e+00 179 2009 7 4.72617e+00 2.66477e+00 194 2009 8 2.34470e+00 8.31889e-01 65 2009 9 1.47204e+01 1.90300e+01 291 2009 10 1.42011e+00 1.57987e+00 346 2009 11 2.15535e+00 1.94717e+00 492 2009 12 8.33333e+00 6.97460e+00 335 2010 1 6.32565e+00 3.35880e+00 560 2010 2 7.06415e+00 2.72033e+00 588 2010 3 9.97245e+00 5.51560e+00 936 2010 4 4.39729e+00 4.05949e+00 532 2010 5 1.01674e+01 5.67385e+00 206 2010 6 1.00251e+01 7.16190e+00 236 2010 7 1.62421e+01 6.98769e+00 139 2010 8 5.45368e+00 3.14397e+00 146 2010 9 2.66873e+00 2.58931e+00 270 2010 10 3.23474e+00 2.33791e+00 1028 2010 11 4.68768e+00 3.55706e+00 836 2010 12 6.82227e+00 2.99834e+00 948 2011 1 1.16355e+01 4.43546e+00 573 2011 2 1.56660e+01 5.51700e+00 482 2011 3 1.55742e+01 6.41897e+00 948 2011 4 1.20734e+01 4.26799e+00 576 2011 5 7.91299e+00 7.73478e+00 262 2011 6 4.69991e+00 3.02667e+00 172 2011 7 1.23244e+01 1.07860e+01 201 2011 8 8.66295e+00 4.74864e+00 138 2011 9 3.24114e+00 1.82573e+00 388 2011 10 3.34147e+00 2.79262e+00 538 2011 11 4.77486e+00 4.24527e+00 694 2011 12 8.17199e+00 8.89247e+00 866 2012 1 8.68925e+00 3.94050e+00 640 2012 2 1.23580e+01 3.16789e+00 478 2012 3 1.29041e+01 5.24917e+00 462 2012 4 8.03050e+00 5.45358e+00 381 2012 5 9.91341e+00 8.49569e+00 346 2012 6 8.79709e-02 1.91044e-02 9 2012 7 3.38528e+00 1.21156e+00 131 2012 8 2.46969e+00 2.11361e+00 313 2012 9 1.05256e+00 4.00767e+00 273 2012 10 8.10514e-01 1.37794e+00 394 2012 11 3.36413e+00 3.04436e+00 652 2012 12 4.46955e+00 7.25237e+00 433 2013 1 4.75718e+00 3.31754e+00 519 2013 2 6.37834e+00 4.06030e+00 643 2013 3 7.63747e+00 3.46906e+00 692 2013 4 1.00031e+01 4.88039e+00 318 2013 5 4.90712e+00 4.81232e+00 301 2013 6 1.04624e+01 3.93493e+00 299 2013 7 1.93607e+00 8.71687e-01 154 2013 8 1.24548e+01 1.17528e+01 396 2013 9 1.75639e+01 1.25492e+01 199 2013 10 3.73126e+00 4.65696e+00 427 2013 11 3.91744e+00 2.49906e-01 18 2013 12 3.61654e+00 2.86878e+00 514 2014 1 6.15004e+00 3.91338e+00 634 2014 2 8.21609e+00 3.28715e+00 565 2014 3 9.88214e+00 4.51609e+00 569 2014 4 5.55932e+00 5.15165e+00 384 2014 5 1.12717e+01 9.25926e+00 286 2014 6 1.52957e+01 7.64463e+00 208 2014 7 1.26617e+01 1.17487e+01 230 2014 8 1.50127e+01 9.47226e+00 330 2014 9 1.67030e+01 5.70752e+00 143 2014 10 1.14318e+00 1.71125e+00 828 2014 11 1.89502e+00 1.59868e+00 624 2014 12 1.57254e+00 1.20579e+00 505 2015 1 3.75164e+00 3.55668e+00 443 2015 2 6.13035e+00 4.02260e+00 670 2015 3 5.31487e+00 2.46011e+00 442 2015 4 6.60905e+00 5.20480e+00 287 2015 5 1.21268e+01 1.15290e+01 465 2015 6 1.68835e+01 9.76641e+00 167 2015 7 5.42901e+00 2.73239e+00 61 2015 8 7.21927e+00 9.41560e+00 145 2015 9 4.07149e+00 1.06100e+01 73 2015 10 1.44141e+01 1.79940e+01 455 2015 11 4.21509e+00 3.45712e+00 299 2015 12 2.20904e+00 7.22053e+00 213 2016 1 4.21241e+00 6.27436e+00 477 2016 2 4.02612e+00 2.66859e+00 766 2016 3 6.39037e+00 3.89168e+00 332 2016 4 8.55603e+00 5.82162e+00 390 2016 5 9.33773e+00 6.80727e+00 416 2016 6 1.60760e+01 3.84730e+00 246 2016 7 1.50553e+01 9.65796e+00 129 2016 8 4.44101e+00 4.25176e+00 168 2016 9 1.57763e+01 1.39282e+01 432 2016 10 1.71839e+00 1.72284e+00 244 2016 11 1.13850e+00 1.10898e+00 463 2016 12 8.10868e+00 9.12541e+00 577 2017 1 6.84904e+00 4.00386e+00 437 2017 2 8.79509e+00 4.31225e+00 1011 2017 3 1.37038e+01 5.83185e+00 749 2017 4 1.30056e+01 5.92818e+00 408 2017 5 1.01957e+01 5.86793e+00 327 2017 6 2.11295e+01 9.75970e+00 151 2017 7 2.34645e+00 1.82714e+00 46 2017 8 1.24085e+01 7.90070e+00 142 2017 9 1.70143e+00 2.49594e+00 171 2017 10 7.16591e-01 3.01092e+00 125 2017 11 3.52070e+00 5.55461e+00 674 2017 12 7.62140e+00 7.09694e+00 685 2018 1 2.88285e+00 1.86283e+00 550 2018 2 5.05162e+00 2.04859e+00 382 2018 3 3.45801e+00 2.16566e+00 883 2018 4 9.98273e+00 5.46226e+00 485 2018 5 9.54319e+00 7.86645e+00 185 2018 6 6.77342e+00 5.21480e+00 269 2018 7 1.25528e+01 5.57020e+00 107 2018 8 1.73302e+00 3.98966e+00 177 2018 9 1.88757e+01 2.80420e+01 206 2018 10 6.62521e+00 5.35597e+00 283 2018 11 4.98431e+00 6.11921e+00 358 2018 12 2.84209e+00 5.02080e+00 472 2019 1 3.13912e+00 1.79618e+00 611 2019 2 3.89358e+00 2.26670e+00 539 2019 3 3.38393e+00 2.59102e+00 633 2019 4 8.65950e+00 3.19061e+00 331 2019 5 1.60861e+01 4.91810e+00 368 2019 6 5.77723e+00 9.71314e+00 185 2019 7 1.13910e+01 7.42353e+00 438 2019 8 1.64439e+01 2.90163e+01 199 2019 9 3.94293e+00 3.08647e+00 170 2019 10 7.36721e+00 6.56019e+00 302 2019 11 7.87761e+00 7.32803e+00 411 2019 12 2.47966e+00 2.94789e+00 184 2020 1 4.43802e+00 2.85118e+00 522 2020 2 5.57534e+00 3.84935e+00 461 2020 3 8.34595e+00 4.94298e+00 471 2020 4 6.01871e+00 3.69737e+00 270 2020 5 7.60619e+00 4.67521e+00 431 2020 6 1.52029e+01 1.57425e+01 299 2020 7 8.36704e+00 9.86168e+00 135 2020 8 7.09871e+00 2.91536e+00 203 2020 9 6.16218e+00 3.20302e+00 114 2020 10 3.49717e+00 3.08595e+00 107 2020 11 1.22917e+00 3.38634e+00 315 2020 12 1.73665e+00 4.67283e+00 135 2021 1 2.12891e+00 1.85484e+00 310 2021 2 5.98712e+00 4.45562e+00 784 2021 3 7.34970e+00 5.18019e+00 428 2021 4 7.10726e+00 7.96299e+00 275 2021 5 1.05577e+01 7.93619e+00 436 2021 6 1.36342e+01 7.86683e+00 211 2021 7 2.18899e+00 3.34242e+00 93 2021 8 9.88648e+00 1.42582e+01 166 2021 9 7.33969e+00 8.84668e+00 132 2021 10 4.71969e+00 9.63794e+00 381 2021 11 3.29039e+00 6.43944e+00 528 2021 12 1.96038e+00 1.18238e+00 758 2022 1 6.28995e+00 2.42274e+00 805 2022 2 1.00402e+01 5.93461e+00 995 2022 3 1.04413e+01 4.60009e+00 601 2022 4 1.36878e+01 5.31283e+00 28 2022 5 1.29799e+01 8.28058e+00 519 2022 6 9.05431e+00 3.91768e+00 79 2022 7 6.12933e+00 1.45929e+00 105 2022 8 8.05413e+00 4.06796e+00 152 2022 9 8.99837e+00 1.24821e+01 335 2022 10 9.04382e+00 1.76841e+01 632 2022 11 6.19432e+00 8.14899e+00 459 2022 12 2.27237e+00 1.36661e+00 610 2023 1 4.57543e+00 5.52101e+00 657 2023 2 9.48428e+00 4.64754e+00 1069 2023 3 1.18518e+01 4.60394e+00 720 2023 4 1.87962e+01 7.13599e+00 368 2023 5 1.67518e+01 8.56925e+00 507 2023 6 8.20819e+00 8.37397e+00 209 2023 7 1.76600e+01 6.33024e+00 218 2023 8 1.11793e+01 5.11819e+00 271 2023 9 1.11290e+01 8.27054e+00 608 2023 10 6.77160e+00 8.58638e+00 323 2023 11 6.58178e+00 5.09959e+00 654 2023 12 9.33797e+00 2.94325e+00 255 2024 1 7.38498e+00 2.18967e+00 316 2024 2 1.01397e+01 4.91196e+00 746 2024 3 1.29048e+01 3.86037e+00 425 2024 4 nan nan 0