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 7.11627e+01 2.33558e+00 128 2002 8 6.84273e+01 9.06827e+00 328 2002 9 6.48245e+01 4.05409e+00 154 2002 10 6.25309e+01 6.74114e+00 511 2002 11 5.86925e+01 7.43905e+00 741 2002 12 5.98986e+01 9.25208e+00 500 2003 1 5.72938e+01 7.51339e+00 655 2003 2 6.31672e+01 8.63849e+00 479 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 4.19283e+01 4.19283e+01 8 2003 6 9.39206e+00 1.29759e+01 12 2003 7 nan nan 0 2003 8 1.25591e+01 1.49124e+01 33 2003 9 4.16226e+01 1.79492e+01 204 2003 10 5.21189e+01 1.18928e+01 488 2003 11 5.50589e+01 5.30023e+00 672 2003 12 5.82668e+01 1.08023e+01 562 2004 1 6.03897e+01 4.54063e+00 695 2004 2 6.09178e+01 8.11749e+00 356 2004 3 4.72753e+01 1.53555e+01 645 2004 4 6.03300e+01 6.39166e+00 237 2004 5 6.43906e+01 5.25726e+00 386 2004 6 6.53209e+01 1.16986e+01 249 2004 7 6.01730e+01 2.11670e+00 194 2004 8 4.86420e+01 1.52068e+01 240 2004 9 4.52618e+01 4.16344e+00 83 2004 10 nan nan 0 2004 11 2.48099e+01 1.52289e+01 10 2004 12 4.38080e+01 1.04553e+01 198 2005 1 4.87486e+01 1.39875e+01 263 2005 2 4.82818e+01 6.74019e+00 218 2005 3 5.31186e+01 1.27546e+01 313 2005 4 4.62932e+01 1.87736e+01 164 2005 5 4.05509e+01 1.20551e+01 41 2005 6 6.76186e+00 7.62293e+00 9 2005 7 nan nan 0 2005 8 4.04843e+01 2.03935e+01 173 2005 9 6.09923e+01 9.73117e+00 174 2005 10 5.96233e+01 5.22317e+00 556 2005 11 6.16875e+01 6.71153e+00 572 2005 12 5.60437e+01 7.41212e+00 576 2006 1 4.90042e+01 2.42475e+01 288 2006 2 4.77564e+01 1.98294e+01 262 2006 3 3.28631e+01 2.09845e+01 476 2006 4 5.30843e+01 1.38942e+01 272 2006 5 5.66698e+01 1.77937e+01 180 2006 6 6.17142e+01 3.09814e+00 127 2006 7 5.59918e+01 6.13167e+00 153 2006 8 6.14099e+01 1.78213e+00 115 2006 9 5.86361e+01 5.86603e+00 595 2006 10 6.14360e+01 8.22962e+00 465 2006 11 5.90115e+01 1.23159e+01 573 2006 12 6.83408e+01 5.03209e+00 354 2007 1 6.35153e+01 3.87066e+00 274 2007 2 6.71480e+01 5.86219e+00 569 2007 3 6.32648e+01 8.24379e+00 883 2007 4 6.23739e+01 7.91734e+00 428 2007 5 5.61031e+01 1.11494e+01 66 2007 6 6.23732e+01 3.14182e+00 143 2007 7 5.80883e+01 7.55691e+00 254 2007 8 5.84096e+01 9.43465e+00 225 2007 9 6.19411e+01 3.50380e+00 236 2007 10 6.57869e+01 3.96924e+00 352 2007 11 6.61219e+01 6.21163e+00 825 2007 12 6.62574e+01 4.08443e+00 534 2008 1 6.31855e+01 1.03861e+01 408 2008 2 6.17116e+01 3.80302e+00 652 2008 3 6.24543e+01 9.28347e+00 235 2008 4 3.06205e+01 1.50851e+01 173 2008 5 4.83831e+01 1.50124e+01 177 2008 6 5.63924e+01 2.61241e+00 185 2008 7 6.51388e+01 8.36188e+00 298 2008 8 5.75352e+01 4.34486e+00 64 2008 9 3.79764e+01 1.73121e+01 184 2008 10 4.62116e+01 1.51671e+01 634 2008 11 6.26803e+01 6.73405e+00 818 2008 12 5.15407e+01 6.86262e+00 606 2009 1 5.66596e+01 8.59675e+00 581 2009 2 6.14082e+01 8.06030e+00 709 2009 3 6.47668e+01 9.36969e+00 627 2009 4 5.58106e+01 1.31798e+01 166 2009 5 3.61081e+01 2.37940e+01 92 2009 6 6.22928e+01 1.80750e+00 62 2009 7 nan nan 0 2009 8 4.85332e+01 1.10929e+01 382 2009 9 5.76245e+01 5.44834e+00 345 2009 10 6.49468e+01 3.73278e+00 731 2009 11 6.67431e+01 7.64871e+00 498 2009 12 6.10129e+01 1.13908e+01 248 2010 1 5.89793e+01 9.69377e+00 707 2010 2 4.86927e+01 1.24089e+01 482 2010 3 4.00739e+01 1.50112e+01 499 2010 4 5.81499e+00 1.30068e+01 41 2010 5 4.51862e+01 2.26801e+01 210 2010 6 5.62332e+01 9.40858e+00 366 2010 7 4.21003e+01 2.16256e+01 129 2010 8 5.53148e+01 1.39597e+01 113 2010 9 4.51762e+01 1.89663e+01 229 2010 10 6.27429e+01 8.02081e+00 1339 2010 11 6.34633e+01 5.72794e+00 958 2010 12 6.35707e+01 7.70986e+00 584 2011 1 6.49565e+01 1.05416e+01 467 2011 2 6.52237e+01 1.21512e+01 696 2011 3 5.94794e+01 1.01993e+01 732 2011 4 6.08412e+01 6.71699e+00 525 2011 5 6.79734e+01 1.03826e+01 425 2011 6 6.82372e+01 8.38073e+00 156 2011 7 6.70358e+01 3.81358e+00 263 2011 8 6.37575e+01 1.15848e+01 187 2011 9 6.70223e+01 5.39061e+00 566 2011 10 6.52102e+01 9.46698e+00 754 2011 11 6.70747e+01 8.49500e+00 938 2011 12 6.73833e+01 7.07719e+00 731 2012 1 6.55139e+01 1.14905e+01 875 2012 2 6.96679e+01 7.18603e+00 145 2012 3 6.91168e+01 7.74921e+00 604 2012 4 6.82859e+01 7.89319e+00 552 2012 5 7.00876e+01 3.78039e+00 256 2012 6 4.23447e+01 1.31836e+01 32 2012 7 7.08872e+01 1.18259e+01 13 2012 8 nan nan 0 2012 9 3.37109e+01 3.08632e+01 193 2012 10 1.78174e+01 1.91804e+01 96 2012 11 6.33547e+01 4.22402e+00 478 2012 12 6.08438e+01 3.44394e+00 284 2013 1 6.31748e+01 9.49490e+00 441 2013 2 6.18943e+01 1.70784e+00 300 2013 3 5.75704e+01 1.15208e+01 475 2013 4 1.91000e+01 1.88509e+01 109 2013 5 5.65982e+01 1.45676e+01 161 2013 6 4.01944e+01 2.11665e+01 140 2013 7 7.14732e+00 1.31003e+01 8 2013 8 1.62295e+01 4.40119e+00 4 2013 9 4.12763e+00 1.62927e+01 17 2013 10 5.74463e+01 1.26488e+01 577 2013 11 5.56460e+01 2.60281e+00 234 2013 12 6.40304e+01 4.06130e+00 585 2014 1 5.87805e+01 6.00505e+00 230 2014 2 5.08390e+01 1.58135e+01 540 2014 3 5.33956e+01 5.68292e+00 419 2014 4 2.90550e+01 1.74827e+01 87 2014 5 3.78095e+01 2.36524e+01 51 2014 6 5.77764e+01 1.06314e+00 55 2014 7 4.07494e+01 2.30946e+01 335 2014 8 6.13105e+01 4.97182e+00 183 2014 9 6.92417e+01 2.43884e+00 63 2014 10 5.59720e+01 1.01468e+01 1018 2014 11 6.30107e+01 8.41041e+00 759 2014 12 6.69461e+01 8.38931e+00 440 2015 1 5.88038e+01 1.00310e+01 576 2015 2 5.83362e+01 1.43068e+01 571 2015 3 5.14519e+01 2.65907e+01 279 2015 4 3.69523e+01 7.90975e+00 63 2015 5 5.04366e+01 1.51691e+01 264 2015 6 6.10541e+01 4.76318e+00 252 2015 7 6.05855e+01 7.46660e+00 28 2015 8 nan nan 0 2015 9 4.22228e+01 2.05608e+01 153 2015 10 5.97858e+01 4.60620e+00 553 2015 11 4.60490e+01 1.89698e+01 378 2015 12 5.85920e+01 8.61865e+00 436 2016 1 5.61614e+01 9.54517e+00 395 2016 2 5.16527e+01 1.26135e+01 625 2016 3 4.14087e+01 1.70804e+01 460 2016 4 3.96944e+01 1.56761e+01 202 2016 5 4.92502e+01 1.44419e+01 359 2016 6 5.78023e+01 7.93008e+00 420 2016 7 5.99943e+01 5.65519e+00 469 2016 8 4.92564e+01 1.34255e+01 247 2016 9 2.62146e+01 2.15345e+01 158 2016 10 5.93286e+01 9.84607e+00 572 2016 11 6.40980e+01 5.18021e+00 716 2016 12 6.36570e+01 8.32452e+00 538 2017 1 6.40182e+01 8.10755e+00 441 2017 2 4.59397e+01 6.51041e+00 531 2017 3 5.56241e+01 1.13408e+01 709 2017 4 6.21773e+01 5.36073e+00 415 2017 5 5.75472e+01 7.77502e+00 249 2017 6 6.13636e+01 6.22323e+00 162 2017 7 5.90694e+01 8.50911e-01 64 2017 8 4.44475e+01 1.60489e+01 211 2017 9 4.51997e+01 1.51525e+01 187 2017 10 4.71792e+01 3.18059e+00 63 2017 11 5.37295e+01 6.23569e+00 995 2017 12 6.18464e+01 5.23140e+00 488 2018 1 6.11166e+01 6.42102e+00 593 2018 2 5.58362e+01 1.37846e+01 412 2018 3 5.40164e+01 1.04651e+01 530 2018 4 4.85286e+01 1.48835e+01 413 2018 5 5.43609e+01 1.17747e+01 150 2018 6 3.43902e+01 1.91017e+01 178 2018 7 5.00988e+01 7.27723e-01 42 2018 8 6.52305e+01 0.00000e+00 3 2018 9 5.07327e+01 1.55742e+01 373 2018 10 5.44072e+01 7.73290e+00 644 2018 11 5.96949e+01 3.26234e+00 101 2018 12 5.63944e+01 1.61845e+01 428 2019 1 4.24936e+01 2.51922e+01 131 2019 2 nan nan 0 2019 3 3.46907e+01 1.73690e+01 316 2019 4 4.37774e+01 7.44296e+00 281 2019 5 5.32430e+01 1.19640e+01 372 2019 6 5.61275e+01 1.73329e+01 151 2019 7 2.48977e+01 2.37228e+01 50 2019 8 3.47815e+01 1.24753e+01 85 2019 9 5.55691e+01 1.17198e+01 229 2019 10 6.03220e+01 5.93128e+00 400 2019 11 5.82899e+01 9.21253e+00 613 2019 12 5.84532e+01 6.76806e+00 234 2020 1 5.18579e+01 1.32570e+01 355 2020 2 5.52305e+01 1.05558e+01 195 2020 3 3.71108e+01 1.81667e+01 248 2020 4 3.74281e+01 1.98968e+01 121 2020 5 4.38919e+01 1.19180e+01 337 2020 6 4.03066e+01 1.48948e+01 195 2020 7 5.32784e+01 7.64822e+00 45 2020 8 4.02655e+01 7.91801e+00 113 2020 9 3.86817e+01 1.48261e+01 38 2020 10 4.65481e+01 1.24984e+01 442 2020 11 5.62863e+01 7.76610e+00 516 2020 12 5.49118e+01 1.49083e+01 491 2021 1 5.69366e+01 7.92519e+00 174 2021 2 4.26205e+01 1.87591e+01 260 2021 3 4.53400e+01 1.93213e+01 199 2021 4 2.76779e+01 1.85059e+01 105 2021 5 4.61651e+01 7.70531e+00 259 2021 6 5.71173e+01 2.93210e+00 84 2021 7 4.21640e+01 2.45189e+01 71 2021 8 nan nan 0 2021 9 2.08537e+01 3.70310e+01 55 2021 10 5.09961e+01 1.25999e+01 277 2021 11 5.57168e+01 7.33288e+00 653 2021 12 5.32899e+01 1.25554e+01 517 2022 1 4.31612e+01 9.39946e+00 239 2022 2 5.26560e+01 8.38529e+00 694 2022 3 5.15013e+01 9.95279e+00 500 2022 4 nan nan 0 2022 5 4.94516e+01 1.33508e+01 269 2022 6 5.84517e+01 6.67415e+00 196 2022 7 5.96574e+01 4.32696e+00 181 2022 8 4.50434e+01 1.68089e+01 222 2022 9 5.70047e+01 3.20860e+00 190 2022 10 6.64660e+01 6.24311e+00 1056 2022 11 5.30501e+01 1.21379e+01 345 2022 12 5.96192e+01 9.47317e+00 607 2023 1 6.31241e+01 7.71645e+00 543 2023 2 5.56782e+01 1.17405e+01 445 2023 3 5.11367e+01 1.23230e+01 220 2023 4 5.55166e+01 1.19936e+01 414 2023 5 6.22355e+01 3.37011e+00 131 2023 6 6.04058e+01 5.87529e+00 179 2023 7 5.30570e+01 2.20062e+01 333 2023 8 3.44090e+01 2.97071e+01 191 2023 9 3.17978e+01 2.19955e+01 265 2023 10 5.67008e+01 1.22673e+01 670 2023 11 6.04063e+01 8.35794e+00 468 2023 12 5.33436e+01 7.46301e+00 217 2024 1 4.57582e+01 1.51782e+01 131 2024 2 4.59206e+01 1.05422e+01 485 2024 3 4.41572e+01 6.30135e+00 230 2024 4 nan nan 0