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 8.39931e+00 1.04301e+00 119 2002 8 6.14006e+00 9.30603e-01 89 2002 9 8.94549e+00 3.92826e+00 109 2002 10 8.49921e+00 4.55167e+00 509 2002 11 4.90923e+00 1.92467e+00 336 2002 12 6.58859e+01 1.67557e+02 114 2003 1 1.51747e+02 1.23592e+01 57 2003 2 1.96805e+01 9.71671e+00 375 2003 3 9.99655e+00 3.71262e+00 110 2003 4 7.02474e+00 1.13545e+00 225 2003 5 4.71175e+00 5.50020e-01 128 2003 6 3.16099e+00 5.56805e-01 28 2003 7 1.40280e+01 4.43767e+00 145 2003 8 2.13899e+01 8.43128e+00 7 2003 9 1.07060e+02 5.25338e+01 35 2003 10 1.50039e+01 5.51111e+00 460 2003 11 8.81656e+00 2.33685e+00 509 2003 12 7.60511e+00 2.46785e+00 653 2004 1 6.85581e+00 4.80917e+00 604 2004 2 6.32239e+00 1.96850e+00 320 2004 3 5.11992e+00 2.24565e+00 180 2004 4 4.67236e+00 2.38226e+00 192 2004 5 3.43617e+00 1.10555e+00 159 2004 6 5.06133e+00 6.49791e-01 143 2004 7 4.18087e+00 1.74003e-01 64 2004 8 1.00140e+01 4.32416e-01 20 2004 9 nan nan 0 2004 10 7.38805e+01 4.67589e+00 11 2004 11 2.05558e+01 1.13946e+01 239 2004 12 1.60095e+01 8.06994e+00 369 2005 1 1.14971e+01 5.05127e+00 584 2005 2 6.71664e+00 2.63135e+00 554 2005 3 8.78064e+00 2.74871e+00 378 2005 4 1.38711e+01 1.16421e+01 441 2005 5 3.39260e+00 5.17713e-01 128 2005 6 5.49124e+00 1.07342e+00 64 2005 7 2.85317e+00 1.03437e-02 2 2005 8 1.23492e+01 3.02683e+00 139 2005 9 5.48739e+00 3.81138e+00 161 2005 10 8.30567e+00 3.61829e+00 295 2005 11 6.29297e+00 1.49688e+00 280 2005 12 3.98938e+00 1.38742e+00 648 2006 1 4.60243e+00 1.24894e+00 477 2006 2 3.28831e+00 1.58690e+00 683 2006 3 2.31977e+00 8.31093e-01 677 2006 4 4.23709e+00 1.68828e+00 323 2006 5 3.06320e+00 5.26925e-01 259 2006 6 2.75321e+00 9.03935e-01 151 2006 7 2.96321e+00 0.00000e+00 4 2006 8 7.54913e+00 2.78255e+00 100 2006 9 1.54211e+01 2.38926e+00 183 2006 10 1.16170e+01 4.56663e+00 441 2006 11 4.87738e+00 9.60473e-01 374 2006 12 3.87893e+00 1.03771e+00 130 2007 1 5.15713e+00 1.36700e+00 374 2007 2 3.99794e+00 1.01851e+00 550 2007 3 5.23854e+00 2.06752e+00 487 2007 4 9.00535e+00 3.75253e+00 323 2007 5 9.68554e+00 5.55989e-01 23 2007 6 6.91216e+00 4.72362e+00 20 2007 7 5.29269e+00 3.85633e-01 120 2007 8 4.73982e+00 1.17347e+00 94 2007 9 4.34472e+00 1.49330e+00 289 2007 10 8.68674e+00 2.90070e+00 208 2007 11 7.01727e+00 2.23635e+00 627 2007 12 4.54885e+00 1.60628e+00 464 2008 1 7.01128e+00 5.34889e+00 459 2008 2 5.67364e+00 2.61809e+00 489 2008 3 7.14048e+00 4.00725e+00 391 2008 4 9.54684e+00 6.84514e+00 355 2008 5 2.53878e+00 6.87717e-01 257 2008 6 3.47780e+00 6.01749e-01 206 2008 7 3.43226e+00 1.68349e-01 23 2008 8 8.47562e+00 1.68952e+00 142 2008 9 2.72933e+00 7.79513e-01 85 2008 10 7.05422e+00 4.36439e+00 505 2008 11 7.36906e+00 4.42027e+00 972 2008 12 5.50806e+00 2.01470e+00 651 2009 1 6.07623e+00 2.57260e+00 635 2009 2 5.74198e+00 2.72322e+00 721 2009 3 4.30577e+00 2.87154e+00 725 2009 4 5.77966e+00 8.39265e-01 256 2009 5 5.42787e+00 4.91735e-01 128 2009 6 nan nan 0 2009 7 1.10679e+01 1.29866e+00 125 2009 8 5.74603e+00 6.72561e-01 59 2009 9 nan nan 0 2009 10 1.04549e+01 3.94233e+00 438 2009 11 7.94689e+00 3.75382e+00 454 2009 12 7.61629e+00 3.54447e+00 324 2010 1 4.55927e+00 1.45588e+00 571 2010 2 5.87262e+00 2.89137e+00 625 2010 3 4.73112e+00 1.34046e+00 570 2010 4 7.20590e+00 1.30552e+00 129 2010 5 6.08326e+00 1.78968e-01 7 2010 6 4.85844e+00 1.08524e+00 206 2010 7 nan nan 0 2010 8 8.93478e+00 4.22565e+00 127 2010 9 1.45386e+01 4.18407e+00 159 2010 10 8.98791e+00 4.09791e+00 1087 2010 11 5.15612e+00 1.73125e+00 608 2010 12 4.75712e+00 1.86159e+00 932 2011 1 4.47504e+00 1.50040e+00 549 2011 2 5.14103e+00 1.26883e+00 627 2011 3 4.28259e+00 1.93064e+00 760 2011 4 6.91406e+00 2.14807e+00 490 2011 5 4.63669e+00 1.48269e+00 327 2011 6 4.69068e+00 3.81929e-01 128 2011 7 3.02915e+00 1.40978e+00 112 2011 8 5.88194e+00 8.98884e-01 66 2011 9 8.01233e+00 1.93571e+00 310 2011 10 9.37414e+00 2.48866e+00 463 2011 11 6.30590e+00 2.04275e+00 485 2011 12 4.73365e+00 1.29258e+00 456 2012 1 4.62372e+00 1.31333e+00 428 2012 2 5.27677e+00 2.38577e+00 403 2012 3 4.71737e+00 1.56909e+00 401 2012 4 4.01627e+00 2.83240e+00 307 2012 5 3.21815e+00 6.36602e-01 296 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 2.73722e+01 3.11244e+00 64 2012 9 3.16593e+01 7.39722e+00 69 2012 10 3.15810e+01 7.47997e+00 309 2012 11 9.48960e+00 2.30554e+00 500 2012 12 8.13692e+00 5.30049e+00 474 2013 1 4.79353e+00 1.66497e+00 493 2013 2 4.94047e+00 1.26842e+00 619 2013 3 4.81610e+00 1.54003e+00 632 2013 4 3.99230e+00 6.60186e-01 197 2013 5 2.17907e+00 6.49506e-01 77 2013 6 5.83966e+00 1.04890e+00 117 2013 7 2.36589e+01 6.33681e+00 71 2013 8 1.62881e+01 6.88648e+00 182 2013 9 5.23291e+00 4.01778e+00 98 2013 10 4.91977e+00 5.25071e+00 221 2013 11 3.47817e+00 9.85487e-01 51 2013 12 3.01552e+00 1.16615e+00 303 2014 1 3.48322e+00 8.78634e-01 344 2014 2 3.45477e+00 1.50253e+00 431 2014 3 2.77318e+00 1.40317e+00 340 2014 4 2.61339e+00 1.88351e+00 200 2014 5 2.55621e+00 9.16344e-01 198 2014 6 2.53273e+00 1.06389e+00 269 2014 7 4.53087e+00 1.78488e+00 153 2014 8 3.60530e+00 6.98877e-01 174 2014 9 5.50584e+00 3.10180e+00 160 2014 10 1.99759e+01 9.12635e+00 488 2014 11 1.35366e+01 7.97117e+00 625 2014 12 8.02648e+00 3.66537e+00 475 2015 1 7.66046e+00 4.72277e+00 326 2015 2 7.87782e+00 3.19295e+00 572 2015 3 7.80815e+00 2.53161e+00 384 2015 4 4.30728e+00 2.13992e+00 207 2015 5 1.37180e+00 3.61973e-01 145 2015 6 2.65018e+00 4.61572e-01 182 2015 7 nan nan 0 2015 8 nan nan 0 2015 9 nan nan 0 2015 10 5.93882e+00 5.68395e+00 37 2015 11 6.88322e+00 1.63555e+00 151 2015 12 6.27179e+00 1.40426e+00 146 2016 1 6.37347e+00 2.34966e+00 387 2016 2 1.01591e+01 7.47711e+00 870 2016 3 4.50358e+00 1.00613e+00 297 2016 4 1.48066e+00 1.14185e+00 128 2016 5 7.67916e-01 4.83250e-01 21 2016 6 1.83282e+00 6.98353e-01 89 2016 7 3.07934e+00 2.08700e+00 149 2016 8 3.33854e+00 2.83690e+00 106 2016 9 1.53400e+01 1.44459e+01 276 2016 10 1.06983e+01 7.71326e+00 74 2016 11 7.29768e+00 1.19615e+01 292 2016 12 4.29511e+00 1.06154e+00 541 2017 1 3.59683e+00 1.37172e+00 345 2017 2 3.43824e+00 7.62197e-01 840 2017 3 3.58952e+00 1.45483e+00 576 2017 4 1.21690e+00 5.06930e-01 321 2017 5 3.58438e+00 8.31269e-01 290 2017 6 1.37337e+00 3.37836e-01 107 2017 7 6.01444e-01 2.86973e-02 36 2017 8 5.88588e+00 6.13343e+00 50 2017 9 nan nan 0 2017 10 3.22949e+01 1.59601e+01 151 2017 11 9.40616e+00 2.95532e+00 532 2017 12 5.94644e+00 2.30338e+00 550 2018 1 6.25711e+00 1.72526e+00 585 2018 2 3.54401e+00 4.79746e-01 320 2018 3 5.20713e+00 2.52737e+00 798 2018 4 3.34963e+00 1.19174e+00 389 2018 5 1.54832e+00 8.44054e-01 150 2018 6 1.04947e+01 7.49532e-01 64 2018 7 1.50610e+01 7.62922e-01 45 2018 8 1.94382e+01 1.47239e+01 63 2018 9 5.23816e+01 1.22293e+01 58 2018 10 7.60262e+00 2.48957e+00 240 2018 11 8.45876e+00 4.13065e+00 382 2018 12 6.85892e+00 2.48546e+00 395 2019 1 1.24920e+01 2.76247e+00 275 2019 2 8.23369e+00 1.48637e+00 169 2019 3 6.22326e+00 3.11139e+00 350 2019 4 3.08465e+00 1.46816e+00 104 2019 5 1.87247e+00 9.00365e-01 200 2019 6 2.95993e+00 1.76135e+00 56 2019 7 2.53246e+01 3.03610e+01 229 2019 8 7.44068e-01 7.56461e-02 17 2019 9 2.07194e+00 0.00000e+00 1 2019 10 2.24347e+00 1.17776e+00 160 2019 11 4.02487e+00 4.79725e-01 105 2019 12 4.40015e+00 6.11809e-01 128 2020 1 4.77212e+00 4.17980e+00 514 2020 2 4.39780e+00 1.18731e+00 381 2020 3 3.57321e+00 1.38307e+00 360 2020 4 6.66427e+00 2.38042e+00 144 2020 5 1.37752e+00 6.56370e-01 156 2020 6 3.06499e+00 1.09252e+00 223 2020 7 2.93904e+00 2.09866e-01 117 2020 8 4.43771e+00 2.82487e-01 128 2020 9 1.38897e+01 4.15308e+00 55 2020 10 6.26824e+00 1.53873e+00 94 2020 11 2.13602e+01 6.27529e+00 152 2020 12 4.80231e+00 1.28705e+00 32 2021 1 6.47698e+00 9.63453e-01 213 2021 2 7.26362e+00 5.85440e+00 344 2021 3 3.83336e+00 1.37113e+00 322 2021 4 4.60016e+00 6.25807e-01 347 2021 5 2.57157e+00 6.93377e-01 244 2021 6 2.93340e+00 9.62947e-01 112 2021 7 1.45576e+01 0.00000e+00 2 2021 8 nan nan 0 2021 9 1.61588e+01 1.12043e+01 191 2021 10 1.19543e+01 4.71267e+00 259 2021 11 4.81011e+00 7.26755e-01 8 2021 12 5.14632e+00 1.82994e+00 202 2022 1 4.47161e+00 4.10568e+00 554 2022 2 2.02849e+00 8.16537e-01 429 2022 3 3.12036e+00 1.53160e+00 343 2022 4 1.17773e+00 1.80805e-01 53 2022 5 1.58529e+00 8.16049e-01 294 2022 6 6.20775e-01 2.53228e-01 116 2022 7 2.55621e+00 1.18908e+00 188 2022 8 3.02921e+00 3.09348e-01 159 2022 9 2.40214e+01 2.01351e+01 307 2022 10 7.73569e+00 4.52203e+00 149 2022 11 7.91053e+00 4.39489e+00 200 2022 12 6.13488e+00 1.35656e+00 352 2023 1 3.67624e+00 6.59603e-01 239 2023 2 1.55220e+00 9.96504e-01 624 2023 3 2.91460e+00 1.26720e+00 759 2023 4 2.17361e+00 6.75024e-01 360 2023 5 1.48679e+00 7.13411e-01 213 2023 6 1.73536e+00 1.59580e+00 242 2023 7 3.10180e+00 1.71927e+00 190 2023 8 3.66023e+00 2.19263e+00 266 2023 9 2.77581e+00 1.16181e+00 317 2023 10 3.58137e+00 2.33877e+00 405 2023 11 5.23327e+00 1.93323e+00 554 2023 12 2.57827e+00 1.03007e+00 266 2024 1 3.33157e+00 1.26971e+00 128 2024 2 2.79638e+00 1.04973e+00 587 2024 3 3.68076e+00 1.29633e+00 382 2024 4 nan nan 0