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 4.60927e+01 2.23308e+01 145 2002 8 5.64486e+01 2.63534e+01 163 2002 9 5.32529e+01 9.00484e+00 98 2002 10 5.33529e+01 1.44743e+01 457 2002 11 4.93245e+01 9.98227e+00 365 2002 12 5.23172e+01 1.12531e+01 368 2003 1 4.22851e+01 8.87871e+00 530 2003 2 5.20532e+01 5.34315e+00 458 2003 3 3.26516e+01 2.40834e+01 128 2003 4 1.36246e+01 1.44465e+01 177 2003 5 2.19787e+01 1.84486e+01 48 2003 6 3.92423e+01 2.45691e+01 15 2003 7 5.90149e+01 2.72044e+00 47 2003 8 2.27810e+01 1.37403e+01 24 2003 9 4.35394e+01 1.72730e+01 198 2003 10 4.85338e+01 1.55354e+01 255 2003 11 5.04183e+01 1.35360e+01 469 2003 12 5.68347e+01 4.59424e+00 441 2004 1 5.51219e+01 8.84410e+00 329 2004 2 5.90525e+01 6.68352e+00 242 2004 3 4.66810e+01 1.14972e+01 511 2004 4 6.09172e+01 7.23149e+00 228 2004 5 4.98526e+01 1.62761e+01 158 2004 6 6.63796e+01 1.22711e+01 137 2004 7 8.01842e+01 1.02984e+01 122 2004 8 4.93927e+01 1.58658e+01 176 2004 9 5.74582e+01 6.14281e+00 123 2004 10 2.98146e+01 3.95745e+00 24 2004 11 3.96055e+00 7.12826e+00 35 2004 12 4.44360e+01 5.37894e+00 124 2005 1 4.59200e+01 6.33833e+00 351 2005 2 3.76994e+01 1.33393e+01 235 2005 3 4.88003e+01 1.06015e+01 294 2005 4 4.15316e+01 7.11981e+00 250 2005 5 4.05128e+01 1.46720e+01 103 2005 6 5.57531e+01 1.66684e+01 59 2005 7 nan nan 0 2005 8 3.28521e+01 1.51005e+01 63 2005 9 4.07776e+01 1.70349e+01 157 2005 10 4.55785e+01 1.15710e+01 371 2005 11 5.62377e+01 8.97121e+00 435 2005 12 5.44181e+01 7.75654e+00 401 2006 1 4.29565e+01 7.54746e+00 390 2006 2 4.05996e+01 1.07625e+01 393 2006 3 3.66272e+01 1.48524e+01 661 2006 4 5.79682e+01 7.41518e+00 221 2006 5 5.62716e+01 1.49404e+01 109 2006 6 6.49128e+01 9.46256e+00 61 2006 7 5.35426e+01 1.84707e+01 39 2006 8 5.75869e+01 1.29944e+01 73 2006 9 5.70213e+01 1.16783e+01 138 2006 10 4.94766e+01 1.21540e+01 172 2006 11 5.55055e+01 1.31817e+01 313 2006 12 5.84370e+01 8.86019e+00 264 2007 1 4.96926e+01 9.57716e+00 165 2007 2 6.09446e+01 4.81177e+00 392 2007 3 6.27306e+01 6.08688e+00 603 2007 4 6.17941e+01 8.98347e+00 303 2007 5 6.76557e+01 2.32139e+00 53 2007 6 6.02424e+01 1.61229e+01 133 2007 7 5.91053e+01 9.58136e+00 42 2007 8 5.64239e+01 9.76653e+00 122 2007 9 5.84531e+01 4.72992e+00 127 2007 10 5.73550e+01 9.82733e+00 359 2007 11 5.08832e+01 1.71078e+01 489 2007 12 5.62568e+01 1.27710e+01 282 2008 1 4.95280e+01 1.34764e+01 263 2008 2 5.70193e+01 7.62242e+00 560 2008 3 4.85027e+01 1.27322e+01 398 2008 4 3.62367e+01 2.09256e+01 237 2008 5 5.50774e+01 1.55270e+01 168 2008 6 6.03671e+01 1.10724e+01 126 2008 7 3.79639e+01 2.19064e+01 44 2008 8 6.59116e+01 2.16754e+01 84 2008 9 3.11449e+01 1.44863e+01 88 2008 10 4.48155e+01 1.28084e+01 488 2008 11 5.10512e+01 1.09592e+01 474 2008 12 5.14776e+01 7.45908e+00 493 2009 1 5.06652e+01 1.04540e+01 409 2009 2 5.66673e+01 6.61533e+00 594 2009 3 5.95265e+01 5.82046e+00 454 2009 4 4.88719e+01 1.17427e+01 342 2009 5 1.81887e+01 1.57005e+01 65 2009 6 5.45338e+01 1.44229e+01 72 2009 7 7.44597e+01 2.00851e+00 9 2009 8 5.01187e+01 8.72400e+00 89 2009 9 3.86754e+01 1.47620e+01 255 2009 10 5.07864e+01 1.38561e+01 455 2009 11 4.43915e+01 1.32195e+01 273 2009 12 5.07331e+01 1.12893e+01 148 2010 1 5.40417e+01 6.06527e+00 527 2010 2 3.02637e+01 1.09371e+01 343 2010 3 2.54736e+01 1.42525e+01 557 2010 4 3.60807e+01 1.16818e+01 295 2010 5 4.95189e+01 1.91701e+01 292 2010 6 3.84532e+01 1.91761e+01 114 2010 7 4.66930e+01 1.75729e+01 133 2010 8 4.29575e+01 1.20270e+01 31 2010 9 4.98783e+01 1.59377e+01 263 2010 10 4.71915e+01 1.68268e+01 793 2010 11 5.78490e+01 9.04793e+00 573 2010 12 5.59182e+01 7.61268e+00 385 2011 1 5.77533e+01 6.91884e+00 426 2011 2 5.98010e+01 6.59345e+00 604 2011 3 5.73973e+01 6.28429e+00 704 2011 4 6.03467e+01 8.43011e+00 500 2011 5 5.99040e+01 1.25026e+01 271 2011 6 7.10137e-02 0.00000e+00 1 2011 7 5.38905e+01 2.13510e+01 83 2011 8 5.39798e+01 5.97076e+00 18 2011 9 5.51642e+01 1.27789e+01 488 2011 10 5.25448e+01 1.38441e+01 365 2011 11 5.85144e+01 9.25258e+00 670 2011 12 5.89764e+01 6.04589e+00 585 2012 1 5.68312e+01 9.03985e+00 636 2012 2 4.71040e+01 1.02989e+01 20 2012 3 6.52867e+01 4.57098e+00 560 2012 4 6.52911e+01 4.75999e+00 413 2012 5 6.38555e+01 1.09033e+01 218 2012 6 5.46133e+01 2.29913e+01 14 2012 7 3.02652e+01 1.76338e+01 47 2012 8 4.63567e+01 2.32469e+01 8 2012 9 3.68835e+01 1.61589e+01 85 2012 10 2.77280e+01 1.15144e+01 131 2012 11 4.98168e+01 9.69468e+00 458 2012 12 5.26280e+01 5.68447e+00 198 2013 1 5.47098e+01 9.61492e+00 474 2013 2 5.66219e+01 4.38402e+00 322 2013 3 5.53021e+01 6.32184e+00 446 2013 4 4.00839e+01 1.89231e+01 227 2013 5 5.10911e+01 1.67325e+01 207 2013 6 3.20730e+01 1.59458e+01 154 2013 7 nan nan 0 2013 8 2.10626e-03 7.31962e-03 28 2013 9 3.29398e+01 2.08154e+01 218 2013 10 4.26048e+01 1.44219e+01 363 2013 11 4.39391e+01 1.44143e+01 83 2013 12 5.51256e+01 5.14678e+00 322 2014 1 5.13203e+01 4.86273e+00 268 2014 2 5.58795e+01 4.52831e+00 519 2014 3 4.64218e+01 9.50348e+00 357 2014 4 2.96596e+01 1.78287e+01 220 2014 5 2.98052e+01 1.46436e+01 96 2014 6 3.42790e+01 9.13219e+00 30 2014 7 4.86999e+01 1.21820e+01 266 2014 8 4.45666e+01 1.70077e+01 137 2014 9 6.44406e+01 1.59387e+00 21 2014 10 5.30611e+01 1.15111e+01 847 2014 11 5.18862e+01 9.03420e+00 483 2014 12 5.49384e+01 8.76606e+00 309 2015 1 5.54523e+01 7.15661e+00 405 2015 2 5.35013e+01 4.95231e+00 480 2015 3 4.95720e+01 3.75258e+00 301 2015 4 2.70735e+01 1.32355e+01 82 2015 5 5.79495e+01 1.07518e+01 252 2015 6 6.04632e+01 5.72566e+00 111 2015 7 8.72508e+01 5.86357e-01 3 2015 8 3.32718e+01 2.53473e+01 76 2015 9 3.99057e+01 1.03707e+01 63 2015 10 5.02428e+01 1.26310e+01 361 2015 11 5.12626e+01 1.14011e+01 262 2015 12 5.21711e+01 7.65199e+00 305 2016 1 5.29060e+01 7.75324e+00 403 2016 2 5.22020e+01 1.30022e+01 701 2016 3 4.92771e+01 1.34471e+01 468 2016 4 5.07265e+01 1.09630e+01 190 2016 5 5.55863e+01 1.67792e+01 161 2016 6 5.33365e+01 2.12591e+01 185 2016 7 4.41649e+01 1.79801e+01 160 2016 8 3.81557e+01 1.84279e+01 261 2016 9 4.78457e+01 1.90446e+01 145 2016 10 4.84444e+01 1.14522e+01 402 2016 11 5.49043e+01 8.98479e+00 592 2016 12 5.47493e+01 1.17134e+01 331 2017 1 5.54240e+01 9.03688e+00 460 2017 2 5.46314e+01 1.02522e+01 545 2017 3 5.40387e+01 5.09239e+00 579 2017 4 6.08423e+01 4.89039e+00 383 2017 5 6.19999e+01 1.45306e+01 200 2017 6 6.16953e+01 2.53924e+01 85 2017 7 6.42726e+01 8.63619e+00 80 2017 8 4.76235e+01 1.33388e+01 214 2017 9 4.15670e+01 1.60193e+01 356 2017 10 4.10984e+01 1.70638e+01 104 2017 11 4.45537e+01 1.02483e+01 742 2017 12 5.85475e+01 8.62657e+00 421 2018 1 5.16039e+01 8.35240e+00 282 2018 2 5.17607e+01 6.43129e+00 470 2018 3 5.19760e+01 8.19888e+00 496 2018 4 5.85233e+01 4.13108e+00 254 2018 5 5.03422e+01 1.51548e+01 287 2018 6 5.79951e+01 9.56686e+00 206 2018 7 nan nan 0 2018 8 1.90345e-07 7.51610e-07 34 2018 9 3.79619e+01 1.31855e+01 405 2018 10 4.61712e+01 1.22964e+01 439 2018 11 4.99852e+01 2.19423e+00 64 2018 12 4.24520e+01 7.47350e+00 356 2019 1 3.44044e+01 1.96801e+01 156 2019 2 4.26861e+01 2.39798e+01 129 2019 3 3.87203e+01 1.03350e+01 464 2019 4 4.16128e+01 8.34174e+00 304 2019 5 4.87388e+01 9.42420e+00 294 2019 6 nan nan 0 2019 7 5.59855e+01 1.68392e+00 30 2019 8 4.16324e+01 1.62643e+01 121 2019 9 4.60807e+01 1.12499e+01 151 2019 10 4.72123e+01 3.79116e+00 354 2019 11 5.32199e+01 1.10044e+01 528 2019 12 4.79674e+01 7.96448e+00 130 2020 1 4.59786e+01 6.24443e+00 304 2020 2 4.53097e+01 9.55813e+00 306 2020 3 4.54425e+01 8.59294e+00 564 2020 4 4.86718e+01 9.18219e+00 183 2020 5 4.87250e+01 1.19952e+01 420 2020 6 4.67993e+01 1.19997e+01 290 2020 7 4.86863e+01 1.34952e+01 79 2020 8 4.48964e+01 1.02298e+01 141 2020 9 3.95295e+01 4.00675e+00 144 2020 10 4.07070e+01 8.99067e+00 382 2020 11 4.37814e+01 9.89440e+00 332 2020 12 4.73154e+01 9.88787e+00 426 2021 1 4.17492e+01 8.47457e+00 161 2021 2 4.00618e+01 9.37555e+00 301 2021 3 4.27177e+01 8.19456e+00 340 2021 4 3.24628e+01 1.20199e+01 260 2021 5 3.38502e+01 8.22381e+00 257 2021 6 4.08732e+01 9.75327e+00 37 2021 7 3.21320e+01 1.29616e+01 55 2021 8 1.94643e+01 1.53340e+01 16 2021 9 3.52382e+01 2.75374e+01 226 2021 10 3.85971e+01 1.47079e+01 240 2021 11 4.16645e+01 8.06724e+00 553 2021 12 4.23167e+01 8.31333e+00 499 2022 1 4.09289e+01 6.05118e+00 372 2022 2 4.56534e+01 7.73696e+00 540 2022 3 4.52515e+01 9.78116e+00 432 2022 4 5.63816e+01 4.80826e+00 35 2022 5 3.34794e+01 1.42381e+01 289 2022 6 4.73017e+01 4.63039e+00 202 2022 7 4.89849e+01 9.48536e+00 124 2022 8 4.52854e+01 9.23479e+00 162 2022 9 4.32907e+01 1.35105e+01 248 2022 10 5.79025e+01 9.86205e+00 955 2022 11 4.93984e+01 1.34734e+01 296 2022 12 5.19960e+01 1.35846e+01 653 2023 1 5.29069e+01 6.18268e+00 754 2023 2 4.94426e+01 1.04703e+01 526 2023 3 4.07013e+01 1.40876e+01 526 2023 4 4.90504e+01 8.86431e+00 400 2023 5 5.68354e+01 1.19268e+01 244 2023 6 7.23682e+01 6.86250e+00 75 2023 7 5.78926e+01 1.14191e+01 345 2023 8 5.43555e+01 1.83041e+01 209 2023 9 4.68669e+01 1.52329e+01 373 2023 10 5.35002e+01 1.13113e+01 360 2023 11 4.93270e+01 1.16583e+01 532 2023 12 4.66174e+01 9.41753e+00 179 2024 1 3.18761e+01 1.21970e+01 283 2024 2 3.75961e+01 1.11814e+01 703 2024 3 4.27094e+01 6.68068e+00 318 2024 4 nan nan 0