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 4.12050e+01 7.57463e+00 177 2002 8 3.88028e+01 2.08273e+01 329 2002 9 3.57893e+01 6.27917e+00 141 2002 10 3.30180e+01 1.04140e+01 597 2002 11 2.76943e+01 8.20650e+00 484 2002 12 2.76502e+01 7.94566e+00 479 2003 1 1.68773e+01 7.08833e+00 625 2003 2 2.42213e+01 7.60182e+00 452 2003 3 1.42490e+01 1.63452e+01 270 2003 4 2.45922e+00 9.63801e+00 185 2003 5 1.82798e+01 2.01689e+00 64 2003 6 3.70692e+01 3.02746e+01 115 2003 7 1.32127e+01 8.00410e+00 74 2003 8 1.42005e+01 2.58141e+01 117 2003 9 2.57534e+01 1.70530e+01 313 2003 10 2.33179e+01 1.37554e+01 493 2003 11 2.72584e+01 9.55331e+00 772 2003 12 2.79203e+01 9.05763e+00 677 2004 1 2.79654e+01 4.99210e+00 490 2004 2 2.94603e+01 4.66081e+00 231 2004 3 2.20219e+01 9.18727e+00 644 2004 4 3.13413e+01 9.30709e+00 288 2004 5 3.38538e+01 6.71962e+00 335 2004 6 4.41386e+01 1.23549e+01 321 2004 7 3.57858e+01 1.35697e+01 121 2004 8 3.49093e+01 9.62733e+00 287 2004 9 3.31710e+01 1.30701e+01 162 2004 10 2.77106e+01 1.76579e+01 116 2004 11 4.91501e+00 4.93417e+00 93 2004 12 1.57090e+01 3.76183e+00 134 2005 1 1.33280e+01 6.05559e+00 419 2005 2 1.48559e+01 6.63390e+00 354 2005 3 2.23203e+01 5.26323e+00 219 2005 4 8.28268e+00 3.84078e+00 255 2005 5 1.88816e+01 9.27344e+00 236 2005 6 2.46255e+01 1.47766e+01 187 2005 7 1.95118e-13 4.99988e-13 21 2005 8 1.56928e+01 7.27160e+00 108 2005 9 2.21616e+01 9.09825e+00 216 2005 10 2.67600e+01 1.19504e+01 593 2005 11 3.05394e+01 9.12148e+00 495 2005 12 2.42403e+01 8.58497e+00 592 2006 1 1.58924e+01 7.09605e+00 513 2006 2 1.29584e+01 5.23031e+00 371 2006 3 1.08097e+01 6.51444e+00 925 2006 4 2.84004e+01 1.35837e+01 311 2006 5 3.51751e+01 1.43405e+01 242 2006 6 3.72602e+01 8.55867e+00 199 2006 7 2.61546e+01 1.13750e+01 59 2006 8 3.14543e+01 1.37406e+01 122 2006 9 2.32763e+01 1.32505e+01 336 2006 10 3.25273e+01 1.33382e+01 438 2006 11 3.46313e+01 1.02463e+01 550 2006 12 3.58520e+01 9.52622e+00 366 2007 1 2.56564e+01 8.50848e+00 336 2007 2 3.59110e+01 6.05021e+00 517 2007 3 3.84119e+01 7.02228e+00 860 2007 4 3.88251e+01 7.43929e+00 471 2007 5 4.56069e+01 5.10392e+00 76 2007 6 4.26088e+01 9.52075e+00 150 2007 7 3.91706e+01 1.08208e+01 198 2007 8 3.39177e+01 1.04946e+01 190 2007 9 3.14649e+01 1.12595e+01 205 2007 10 3.22482e+01 8.33359e+00 515 2007 11 3.46207e+01 1.07621e+01 790 2007 12 3.97341e+01 1.08795e+01 463 2008 1 3.18579e+01 1.12685e+01 350 2008 2 3.13837e+01 6.32561e+00 760 2008 3 2.15861e+01 1.08161e+01 615 2008 4 2.76006e+01 2.13352e+01 499 2008 5 2.58651e+01 8.11012e+00 356 2008 6 3.65016e+01 9.70352e+00 199 2008 7 3.58767e+01 1.11762e+01 217 2008 8 2.82139e+01 1.18578e+01 168 2008 9 3.01052e+01 1.22582e+01 144 2008 10 2.39333e+01 8.90604e+00 642 2008 11 3.35021e+01 8.05578e+00 649 2008 12 2.24563e+01 6.98269e+00 678 2009 1 2.29911e+01 9.69132e+00 521 2009 2 2.61879e+01 7.57917e+00 791 2009 3 3.11579e+01 8.98935e+00 774 2009 4 2.65036e+01 8.97949e+00 492 2009 5 2.06100e+01 5.22072e+00 64 2009 6 2.92631e+01 2.51792e+00 58 2009 7 4.81859e+01 6.32324e+00 111 2009 8 2.07582e+01 9.09742e+00 204 2009 9 2.43803e+01 8.49361e+00 380 2009 10 3.38408e+01 6.74907e+00 667 2009 11 3.26699e+01 1.06559e+01 499 2009 12 2.58621e+01 7.73274e+00 172 2010 1 2.29902e+01 7.45339e+00 729 2010 2 9.61129e+00 1.02991e+01 448 2010 3 1.00256e+01 9.33327e+00 656 2010 4 1.31841e+01 5.14197e+00 412 2010 5 2.98941e+01 2.10900e+01 323 2010 6 2.93188e+01 1.08668e+01 367 2010 7 3.21449e+01 1.24282e+01 149 2010 8 2.86359e+01 1.27370e+01 80 2010 9 3.24725e+01 2.11530e+01 356 2010 10 3.31981e+01 1.26526e+01 1074 2010 11 2.91860e+01 6.82988e+00 830 2010 12 2.58237e+01 1.06645e+01 558 2011 1 2.68437e+01 8.96791e+00 502 2011 2 3.22970e+01 7.44061e+00 649 2011 3 3.11877e+01 6.88435e+00 751 2011 4 3.40478e+01 7.51694e+00 611 2011 5 3.83618e+01 8.38661e+00 507 2011 6 3.31307e+01 9.18200e+00 152 2011 7 3.44886e+01 1.00172e+01 220 2011 8 3.32116e+01 1.46443e+01 238 2011 9 3.59243e+01 9.81394e+00 600 2011 10 3.29168e+01 1.17302e+01 527 2011 11 3.33862e+01 8.93332e+00 829 2011 12 3.15445e+01 9.54684e+00 800 2012 1 3.32434e+01 1.17002e+01 886 2012 2 2.89962e+01 1.30238e+01 185 2012 3 3.80179e+01 7.07802e+00 662 2012 4 4.23112e+01 6.60145e+00 500 2012 5 4.43436e+01 3.94046e+00 314 2012 6 3.29348e+01 8.20665e+00 44 2012 7 2.89756e+01 1.12314e+01 180 2012 8 8.79773e+00 3.93276e+00 64 2012 9 1.22907e+01 6.38214e+00 250 2012 10 1.47742e+01 8.18038e+00 351 2012 11 2.34937e+01 6.27362e+00 636 2012 12 2.48907e+01 4.96253e+00 249 2013 1 2.63668e+01 6.97815e+00 504 2013 2 2.18190e+01 5.40318e+00 402 2013 3 2.21944e+01 8.35571e+00 550 2013 4 1.66468e+01 9.73637e+00 458 2013 5 2.85723e+01 4.34961e+00 292 2013 6 2.09664e+01 1.34405e+01 347 2013 7 6.18288e+00 1.63386e+01 16 2013 8 6.33503e-01 1.64629e+00 110 2013 9 1.28755e+01 1.15387e+01 409 2013 10 1.91604e+01 1.08253e+01 565 2013 11 1.95775e+01 4.80909e+00 249 2013 12 2.60686e+01 8.34598e+00 649 2014 1 1.97144e+01 6.21936e+00 297 2014 2 2.56094e+01 5.89070e+00 537 2014 3 1.76602e+01 1.46484e+01 475 2014 4 1.10806e+01 8.44386e+00 397 2014 5 1.54486e+01 1.54388e+01 175 2014 6 2.09349e+01 2.41247e+01 133 2014 7 2.32994e+01 7.93277e+00 408 2014 8 2.64204e+01 4.57560e+00 240 2014 9 3.15929e+01 6.92900e+00 130 2014 10 2.61889e+01 8.88945e+00 1100 2014 11 2.42379e+01 9.38210e+00 733 2014 12 3.35740e+01 1.22788e+01 434 2015 1 3.03300e+01 9.55537e+00 533 2015 2 2.22537e+01 6.46823e+00 647 2015 3 2.05154e+01 4.97741e+00 375 2015 4 2.19073e+01 5.36948e+00 165 2015 5 3.00016e+01 7.58507e+00 290 2015 6 3.55622e+01 6.33428e+00 188 2015 7 4.44159e+01 1.63653e+01 79 2015 8 2.64285e+01 1.11731e+01 195 2015 9 nan nan 0 2015 10 2.66133e+01 8.07691e+00 520 2015 11 2.63372e+01 1.12967e+01 514 2015 12 2.69325e+01 1.04621e+01 423 2016 1 2.11244e+01 7.57630e+00 336 2016 2 2.68321e+01 8.53505e+00 852 2016 3 2.21199e+01 8.71691e+00 696 2016 4 2.76283e+01 1.21360e+01 327 2016 5 2.18749e+01 1.33250e+01 349 2016 6 3.48535e+01 1.12253e+01 398 2016 7 2.84073e+01 1.11711e+01 430 2016 8 2.29697e+01 1.90766e+01 467 2016 9 2.32761e+01 8.00639e+00 364 2016 10 2.18206e+01 1.09280e+01 552 2016 11 3.28460e+01 8.43486e+00 806 2016 12 2.87132e+01 1.17213e+01 601 2017 1 2.86363e+01 1.58768e+01 511 2017 2 2.96473e+01 7.80903e+00 784 2017 3 2.92072e+01 7.63127e+00 764 2017 4 3.67192e+01 4.94879e+00 584 2017 5 3.65432e+01 8.30406e+00 361 2017 6 4.27309e+01 1.16648e+01 173 2017 7 3.25698e+01 7.71268e+00 111 2017 8 2.79031e+01 7.31923e+00 382 2017 9 2.30723e+01 7.79726e+00 446 2017 10 1.15779e+01 5.62437e+00 425 2017 11 2.48941e+01 6.89559e+00 1087 2017 12 3.23397e+01 8.77626e+00 626 2018 1 2.39915e+01 8.97169e+00 391 2018 2 2.63298e+01 5.52240e+00 555 2018 3 2.37921e+01 8.93196e+00 582 2018 4 3.07883e+01 7.10596e+00 474 2018 5 3.04537e+01 6.13582e+00 321 2018 6 3.12616e+01 6.26311e+00 264 2018 7 2.22135e+01 1.09501e+01 107 2018 8 1.87360e+00 3.05483e+00 116 2018 9 2.12662e+01 9.25455e+00 549 2018 10 2.04679e+01 1.10755e+01 634 2018 11 2.52172e+01 1.51965e+00 64 2018 12 1.68818e+01 9.28364e+00 560 2019 1 1.18897e+01 9.13351e+00 275 2019 2 1.63818e+01 1.50558e+01 228 2019 3 1.69545e+01 8.40054e+00 506 2019 4 2.18915e+01 5.41602e+00 342 2019 5 2.93265e+01 9.17227e+00 298 2019 6 3.56441e+01 1.46841e+01 72 2019 7 3.92141e+01 7.82084e+00 103 2019 8 2.54780e+01 5.23898e+00 183 2019 9 2.46236e+01 8.00386e+00 318 2019 10 2.30813e+01 4.13765e+00 484 2019 11 2.78794e+01 8.34678e+00 649 2019 12 2.68054e+01 1.20350e+01 292 2020 1 1.89514e+01 9.92742e+00 430 2020 2 2.12860e+01 1.01023e+01 410 2020 3 2.41030e+01 5.38929e+00 620 2020 4 1.95651e+01 8.49139e+00 351 2020 5 3.10427e+01 8.00265e+00 561 2020 6 2.08637e+01 1.15647e+01 277 2020 7 2.08889e+01 1.00676e+01 127 2020 8 2.35343e+01 5.63323e+00 140 2020 9 1.63928e+01 5.51294e+00 164 2020 10 1.80713e+01 6.98200e+00 446 2020 11 1.46473e+01 8.17484e+00 548 2020 12 2.26882e+01 9.90594e+00 441 2021 1 1.68096e+01 8.60952e+00 286 2021 2 2.03019e+01 6.24525e+00 377 2021 3 2.00522e+01 5.21838e+00 479 2021 4 1.52784e+01 6.25338e+00 496 2021 5 2.15766e+01 8.80067e+00 418 2021 6 2.68829e+01 5.91396e+00 140 2021 7 2.24218e+01 4.21976e+00 64 2021 8 1.36039e+00 2.72808e+00 14 2021 9 1.19786e+01 1.84416e+01 320 2021 10 1.40499e+01 7.32560e+00 304 2021 11 1.82597e+01 5.66425e+00 743 2021 12 2.08402e+01 5.14094e+00 646 2022 1 1.47825e+01 6.45876e+00 441 2022 2 2.43551e+01 8.83899e+00 800 2022 3 2.12976e+01 1.31263e+01 690 2022 4 1.28583e+01 4.62195e+00 86 2022 5 1.75038e+01 6.45990e+00 404 2022 6 2.88971e+01 2.96879e+00 236 2022 7 3.60478e+01 1.89313e+01 198 2022 8 2.77491e+01 9.05382e+00 341 2022 9 2.50633e+01 8.80910e+00 189 2022 10 3.13921e+01 1.01789e+01 1016 2022 11 2.84604e+01 1.27582e+01 399 2022 12 3.05163e+01 1.13419e+01 758 2023 1 3.14522e+01 7.58856e+00 783 2023 2 3.01129e+01 8.72398e+00 649 2023 3 2.48456e+01 1.25342e+01 645 2023 4 3.19540e+01 1.41098e+01 444 2023 5 3.37719e+01 1.31258e+01 244 2023 6 3.47109e+01 1.16421e+01 158 2023 7 2.70399e+01 1.36310e+01 373 2023 8 3.99748e+01 2.61271e+01 375 2023 9 2.41083e+01 2.10658e+01 328 2023 10 2.54644e+01 1.26330e+01 592 2023 11 2.62394e+01 8.44622e+00 590 2023 12 2.18930e+01 7.18001e+00 222 2024 1 6.36801e+00 6.44526e+00 318 2024 2 1.24742e+01 5.91920e+00 753 2024 3 1.78983e+01 5.08745e+00 340 2024 4 nan nan 0