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 5.92328e+01 1.27149e+01 123 2002 8 6.39127e+01 1.19478e+01 288 2002 9 5.68875e+01 1.26756e+01 109 2002 10 5.72154e+01 1.21402e+01 326 2002 11 5.10682e+01 6.78678e+00 482 2002 12 5.54007e+01 1.06912e+01 503 2003 1 5.45300e+01 9.63061e+00 634 2003 2 6.06200e+01 5.54777e+00 451 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 7.59543e-01 1.38213e+00 13 2003 6 2.37077e+01 2.14950e+01 17 2003 7 nan nan 0 2003 8 1.37628e+01 1.21536e+01 22 2003 9 4.46412e+01 2.44917e+01 120 2003 10 4.53337e+01 1.82265e+01 420 2003 11 5.08296e+01 1.16137e+01 429 2003 12 5.80021e+01 1.05224e+01 552 2004 1 5.94157e+01 3.86486e+00 555 2004 2 5.99412e+01 8.81898e+00 300 2004 3 3.41955e+01 2.10160e+01 418 2004 4 5.98622e+01 4.60445e+00 188 2004 5 6.12776e+01 7.67124e+00 301 2004 6 6.52536e+01 1.15962e+01 232 2004 7 5.50852e+01 5.94444e+00 160 2004 8 5.03481e+01 1.54399e+01 142 2004 9 nan nan 0 2004 10 nan nan 0 2004 11 nan nan 0 2004 12 3.93188e+01 9.50825e+00 217 2005 1 5.16441e+01 1.61241e+01 289 2005 2 4.66090e+01 4.18140e+00 129 2005 3 5.49060e+01 8.18910e+00 169 2005 4 2.89559e+01 1.02712e+01 17 2005 5 nan nan 0 2005 6 6.54834e+01 9.17543e+00 13 2005 7 nan nan 0 2005 8 1.80385e+00 5.15672e+00 18 2005 9 4.25530e+01 1.28259e+01 129 2005 10 6.02584e+01 5.50551e+00 493 2005 11 6.08047e+01 7.31227e+00 583 2005 12 5.36002e+01 8.88592e+00 518 2006 1 4.88691e+01 1.77080e+01 159 2006 2 4.57878e+01 2.03294e+01 164 2006 3 3.33993e+01 2.13657e+01 278 2006 4 5.89647e+01 5.03754e+00 204 2006 5 6.06974e+01 1.32132e+01 89 2006 6 5.97682e+01 1.26085e+01 92 2006 7 4.66300e+01 1.54900e+01 117 2006 8 6.03032e+01 2.95255e+00 64 2006 9 5.72356e+01 8.01571e+00 464 2006 10 6.18638e+01 9.44015e+00 453 2006 11 5.93805e+01 1.20636e+01 564 2006 12 6.68201e+01 1.14156e+01 313 2007 1 6.43539e+01 7.36123e+00 290 2007 2 6.54836e+01 6.53491e+00 573 2007 3 5.89377e+01 9.76256e+00 522 2007 4 5.69457e+01 1.25143e+01 335 2007 5 2.71451e+01 1.35996e+01 29 2007 6 6.55434e+01 3.15898e+00 76 2007 7 5.53988e+01 8.40936e+00 173 2007 8 5.83472e+01 1.14032e+01 212 2007 9 6.66036e+01 4.46777e+00 136 2007 10 6.74423e+01 4.86616e+00 224 2007 11 6.48568e+01 6.01844e+00 809 2007 12 6.38063e+01 5.09185e+00 350 2008 1 6.52721e+01 9.74068e+00 381 2008 2 5.85306e+01 5.11093e+00 605 2008 3 5.23351e+01 1.84052e+01 117 2008 4 1.82814e+01 2.14406e+01 59 2008 5 5.32264e+01 3.49016e+00 123 2008 6 5.40773e+01 1.14778e+01 181 2008 7 6.45666e+01 1.07683e+01 256 2008 8 5.24793e+01 2.45187e+00 64 2008 9 1.44656e+01 1.91002e+01 84 2008 10 4.43661e+01 1.36913e+01 450 2008 11 6.12082e+01 6.65731e+00 804 2008 12 4.90136e+01 1.36389e+01 523 2009 1 5.25791e+01 8.69654e+00 563 2009 2 6.03617e+01 7.29283e+00 674 2009 3 6.04927e+01 8.96479e+00 451 2009 4 4.60377e+01 1.61148e+01 137 2009 5 5.06951e+01 3.29415e+00 64 2009 6 6.14917e+01 1.34872e+00 57 2009 7 nan nan 0 2009 8 3.28522e+01 1.88622e+01 164 2009 9 5.34848e+01 1.12185e+01 299 2009 10 6.16325e+01 4.96731e+00 670 2009 11 6.71474e+01 4.78670e+00 448 2009 12 6.22497e+01 6.26701e+00 261 2010 1 5.70765e+01 1.50944e+01 625 2010 2 4.78930e+01 1.12731e+01 393 2010 3 4.27201e+01 1.49344e+01 289 2010 4 nan nan 0 2010 5 4.87385e+01 1.21750e+01 136 2010 6 4.76113e+01 1.64921e+01 253 2010 7 3.86598e+01 2.24156e+01 97 2010 8 3.08338e+01 2.36677e+01 28 2010 9 4.76717e+01 2.27620e+01 199 2010 10 5.96771e+01 9.65562e+00 1010 2010 11 6.25256e+01 7.90242e+00 745 2010 12 6.26917e+01 8.79587e+00 570 2011 1 6.33242e+01 1.10339e+01 488 2011 2 6.62371e+01 1.14391e+01 522 2011 3 5.70401e+01 1.24525e+01 591 2011 4 5.43217e+01 1.37324e+01 355 2011 5 6.71513e+01 1.03278e+01 301 2011 6 5.55081e+01 1.96071e+01 56 2011 7 6.44777e+01 8.03033e+00 230 2011 8 6.11548e+01 1.43379e+01 151 2011 9 6.93126e+01 4.98925e+00 460 2011 10 6.59517e+01 1.20499e+01 621 2011 11 6.69744e+01 7.55480e+00 736 2011 12 6.88889e+01 5.87860e+00 670 2012 1 6.48263e+01 1.09321e+01 755 2012 2 6.75133e+01 6.53696e+00 116 2012 3 5.55227e+01 1.80365e+01 471 2012 4 6.13198e+01 1.82063e+01 428 2012 5 6.71516e+01 9.72589e+00 229 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 4.35200e+01 2.04096e+01 97 2012 10 nan nan 0 2012 11 6.23744e+01 4.72879e+00 412 2012 12 6.24054e+01 3.76685e+00 221 2013 1 6.15761e+01 9.97756e+00 324 2013 2 5.93610e+01 6.94111e+00 303 2013 3 5.74835e+01 1.10688e+01 298 2013 4 nan nan 0 2013 5 4.79224e+01 1.84943e+01 98 2013 6 1.99893e-17 4.59653e-17 19 2013 7 nan nan 0 2013 8 1.47761e-01 2.08901e-01 3 2013 9 7.32634e+01 2.71124e+01 14 2013 10 5.44997e+01 1.33484e+01 428 2013 11 5.37513e+01 6.62151e+00 168 2013 12 5.29080e+01 1.66491e+01 353 2014 1 5.43752e+01 1.46697e+01 144 2014 2 5.17452e+01 8.03372e+00 230 2014 3 4.35336e+01 1.37256e+01 262 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 5.18872e+01 7.83182e+00 36 2014 7 4.02246e+01 2.51111e+01 164 2014 8 5.18799e+01 8.15522e+00 115 2014 9 3.80169e+01 2.41110e+01 13 2014 10 4.40684e+01 1.96818e+01 814 2014 11 6.26326e+01 6.85770e+00 595 2014 12 6.21062e+01 1.36588e+01 381 2015 1 5.14427e+01 1.47457e+01 464 2015 2 4.74244e+01 1.75646e+01 313 2015 3 5.08167e+01 2.88608e+01 194 2015 4 3.66792e+01 6.95291e+00 59 2015 5 4.84261e+01 1.78170e+01 280 2015 6 5.59031e+01 1.12868e+01 136 2015 7 3.99247e+01 2.10759e+01 21 2015 8 nan nan 0 2015 9 3.71685e+01 2.01330e+01 106 2015 10 5.21451e+01 1.74909e+01 372 2015 11 5.01209e+01 1.98025e+01 201 2015 12 5.53070e+01 8.11074e+00 411 2016 1 5.32799e+01 8.89829e+00 302 2016 2 4.61585e+01 1.79215e+01 297 2016 3 3.92089e+01 1.25943e+01 193 2016 4 3.93007e+01 1.18387e+01 133 2016 5 3.85604e+01 1.87095e+01 143 2016 6 5.65162e+01 1.33389e+01 266 2016 7 5.59183e+01 7.21850e+00 300 2016 8 5.41840e+01 1.49888e+01 171 2016 9 1.96861e+01 1.84224e+01 150 2016 10 5.84932e+01 6.32785e+00 453 2016 11 6.26862e+01 8.15688e+00 562 2016 12 6.27574e+01 1.07268e+01 474 2017 1 6.23616e+01 9.17752e+00 263 2017 2 4.21050e+01 1.50778e+01 333 2017 3 5.21098e+01 1.01065e+01 608 2017 4 5.63063e+01 1.29361e+01 365 2017 5 5.20517e+01 1.64332e+01 95 2017 6 6.33692e+01 3.23711e+00 18 2017 7 5.92321e+01 0.00000e+00 1 2017 8 1.90626e+01 1.75921e+01 87 2017 9 3.75145e+01 2.45132e+01 72 2017 10 3.98243e+01 2.01773e+00 50 2017 11 5.00582e+01 1.14645e+01 766 2017 12 5.97563e+01 6.50159e+00 427 2018 1 6.17343e+01 3.98289e+00 444 2018 2 4.77848e+01 1.88326e+01 334 2018 3 5.34576e+01 9.65841e+00 485 2018 4 5.02294e+01 9.76270e+00 220 2018 5 5.52519e+01 8.38429e+00 128 2018 6 2.53066e+01 1.54135e+01 12 2018 7 nan nan 0 2018 8 3.21671e+01 4.54911e+01 6 2018 9 2.25511e+01 2.16094e+01 165 2018 10 5.07126e+01 1.15796e+01 609 2018 11 5.71120e+01 3.58898e+00 237 2018 12 4.66316e+01 1.94519e+01 301 2019 1 3.76002e+01 2.13638e+01 82 2019 2 1.88784e-12 4.62423e-12 7 2019 3 2.81691e+01 1.43793e+01 102 2019 4 3.69815e+01 2.02961e+01 129 2019 5 5.53222e+01 5.21517e+00 159 2019 6 6.49054e+01 3.09172e+00 77 2019 7 7.25202e+01 6.92798e-01 12 2019 8 2.82428e+01 1.76124e+01 55 2019 9 5.68655e+01 5.03678e+00 229 2019 10 5.77476e+01 1.17670e+01 329 2019 11 6.27359e+01 7.02742e+00 580 2019 12 5.87430e+01 9.01418e+00 187 2020 1 5.66865e+01 5.67032e+00 243 2020 2 5.38276e+01 8.55000e+00 160 2020 3 4.36925e+01 2.44563e+01 121 2020 4 2.84128e+00 1.85250e+00 4 2020 5 3.96949e+01 1.09672e+01 96 2020 6 2.26574e+01 1.03994e+01 14 2020 7 nan nan 0 2020 8 3.00957e+01 1.34171e+01 77 2020 9 0.00000e+00 0.00000e+00 2 2020 10 4.49692e+01 1.93712e+01 209 2020 11 5.34373e+01 8.44140e+00 473 2020 12 5.43729e+01 1.08078e+01 463 2021 1 5.60718e+01 4.12070e+00 135 2021 2 3.14686e+01 2.02639e+01 169 2021 3 3.28895e+01 1.41402e+01 73 2021 4 nan nan 0 2021 5 3.80923e+01 1.29452e+01 104 2021 6 5.92114e+01 9.78466e+00 72 2021 7 2.82460e+01 6.46907e+00 5 2021 8 nan nan 0 2021 9 nan nan 0 2021 10 3.05221e+01 3.01161e+01 107 2021 11 4.92755e+01 1.30851e+01 506 2021 12 4.82410e+01 1.39628e+01 396 2022 1 4.03935e+01 6.80541e+00 296 2022 2 4.72279e+01 1.21710e+01 553 2022 3 4.83728e+01 9.16986e+00 413 2022 4 nan nan 0 2022 5 4.77417e+01 1.56049e+01 137 2022 6 5.35256e+01 1.69543e+01 226 2022 7 5.37520e+01 2.56345e+01 170 2022 8 3.82035e+01 2.00782e+01 98 2022 9 5.15848e+01 8.84147e+00 152 2022 10 6.38343e+01 8.82228e+00 1039 2022 11 5.34895e+01 1.21724e+01 362 2022 12 6.10833e+01 1.08238e+01 449 2023 1 6.13930e+01 1.05300e+01 566 2023 2 5.15170e+01 1.76963e+01 423 2023 3 4.09077e+01 1.64282e+01 256 2023 4 4.57072e+01 2.65146e+01 346 2023 5 5.71497e+01 3.47130e+00 113 2023 6 5.82239e+01 1.80097e+01 184 2023 7 5.68808e+01 1.89280e+01 180 2023 8 4.68256e+01 2.77478e+01 86 2023 9 8.85683e+00 1.52170e+01 175 2023 10 5.01580e+01 1.60071e+01 464 2023 11 6.05536e+01 7.36318e+00 400 2023 12 4.23830e+01 1.87445e+01 285 2024 1 8.76087e+00 6.89128e+00 30 2024 2 3.19618e+01 1.98791e+01 312 2024 3 3.87845e+01 1.18779e+01 203 2024 4 nan nan 0