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 6.21396e+01 5.94585e-03 9 2002 8 5.88665e+01 1.38983e-01 20 2002 9 5.01842e+01 5.39343e-01 20 2002 10 4.48465e+01 2.94393e+00 71 2002 11 3.66553e+01 2.06185e+00 36 2002 12 3.26302e+01 2.18209e-01 42 2003 1 3.42382e+01 1.10186e+00 52 2003 2 3.97354e+01 1.44416e+00 23 2003 3 4.99247e+01 8.48553e-01 19 2003 4 5.75401e+01 2.86813e-01 15 2003 5 6.13210e+01 3.71214e-01 28 2003 6 nan nan 0 2003 7 6.25246e+01 8.27166e-02 14 2003 8 nan nan 0 2003 9 nan nan 0 2003 10 4.45343e+01 1.78169e+00 31 2003 11 3.60127e+01 1.18941e+00 46 2003 12 3.29096e+01 2.23216e-01 23 2004 1 3.56983e+01 1.33036e+00 61 2004 2 4.39108e+01 1.65093e+00 32 2004 3 5.25114e+01 1.34533e+00 20 2004 4 nan nan 0 2004 5 6.22740e+01 2.50000e-01 2 2004 6 6.26940e+01 0.00000e+00 1 2004 7 6.26556e+01 2.09929e-01 9 2004 8 5.80282e+01 9.97748e-02 12 2004 9 5.16779e+01 7.46599e-01 14 2004 10 4.71705e+01 1.08134e+00 22 2004 11 3.70417e+01 9.98261e-01 54 2004 12 3.28116e+01 4.69457e-01 19 2005 1 3.59697e+01 1.75695e+00 46 2005 2 4.23224e+01 1.17947e+00 38 2005 3 5.03437e+01 1.65077e+00 46 2005 4 5.69740e+01 9.58156e-01 18 2005 5 nan nan 0 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 5.90619e+01 6.03032e-02 15 2005 9 5.24129e+01 1.91215e+00 37 2005 10 4.57691e+01 4.40103e-01 16 2005 11 3.65255e+01 2.01392e+00 57 2005 12 3.34593e+01 4.86766e-01 23 2006 1 3.44129e+01 1.69889e+00 54 2006 2 4.34866e+01 2.15027e+00 61 2006 3 5.02700e+01 3.83347e+00 7 2006 4 5.62718e+01 9.05159e-01 10 2006 5 6.16450e+01 5.01460e-01 6 2006 6 6.18740e+01 3.99971e-03 2 2006 7 6.13952e+01 1.84534e-01 13 2006 8 nan nan 0 2006 9 5.22447e+01 1.87844e-02 3 2006 10 4.60719e+01 1.01009e+00 18 2006 11 3.66458e+01 1.97334e+00 51 2006 12 3.29523e+01 4.14961e-01 23 2007 1 3.50722e+01 1.53372e+00 25 2007 2 4.36191e+01 2.11677e+00 22 2007 3 4.89328e+01 2.28764e+00 24 2007 4 5.61913e+01 1.24761e+00 12 2007 5 nan nan 0 2007 6 6.28920e+01 5.99861e-03 4 2007 7 nan nan 0 2007 8 5.79888e+01 9.40813e-02 10 2007 9 5.17930e+01 2.32829e+00 22 2007 10 4.74903e+01 1.21660e+00 28 2007 11 3.78352e+01 2.06361e+00 69 2007 12 3.30067e+01 5.86775e-01 55 2008 1 3.62506e+01 2.00074e+00 57 2008 2 4.16072e+01 2.75510e+00 44 2008 3 5.11693e+01 4.92225e-01 30 2008 4 nan nan 0 2008 5 6.20203e+01 3.16391e-01 6 2008 6 nan nan 0 2008 7 nan nan 0 2008 8 nan nan 0 2008 9 5.16982e+01 4.45376e-01 9 2008 10 4.52799e+01 2.81660e+00 17 2008 11 3.62711e+01 2.22090e+00 47 2008 12 3.27513e+01 3.56259e-01 18 2009 1 3.53556e+01 2.36563e+00 34 2009 2 4.19373e+01 1.89882e+00 94 2009 3 4.84215e+01 1.32711e+00 35 2009 4 nan nan 0 2009 5 6.07580e+01 0.00000e+00 1 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 5.82057e+01 1.05874e-01 8 2009 9 5.13968e+01 1.04500e+00 15 2009 10 4.45288e+01 2.25532e+00 42 2009 11 3.76126e+01 1.44220e+00 62 2009 12 3.30791e+01 2.92821e-01 9 2010 1 3.49019e+01 1.81465e+00 29 2010 2 4.39385e+01 1.62029e+00 26 2010 3 5.06869e+01 2.31434e+00 27 2010 4 5.56671e+01 2.27677e-01 13 2010 5 6.18496e+01 4.41626e-03 11 2010 6 6.28100e+01 3.08365e-02 7 2010 7 6.10417e+01 2.11603e-01 16 2010 8 nan nan 0 2010 9 5.61449e+01 7.36720e-02 15 2010 10 4.52138e+01 1.35899e+00 37 2010 11 3.60976e+01 1.49904e+00 72 2010 12 3.31253e+01 3.74070e-01 53 2011 1 3.50569e+01 3.78442e-01 14 2011 2 4.46792e+01 1.17682e+00 43 2011 3 5.07527e+01 2.08489e+00 55 2011 4 5.78308e+01 9.30699e-01 24 2011 5 nan nan 0 2011 6 6.27764e+01 1.15313e-02 11 2011 7 nan nan 0 2011 8 6.07907e+01 2.28632e-01 6 2011 9 5.18151e+01 1.38763e+00 13 2011 10 4.57321e+01 2.36900e+00 18 2011 11 3.78730e+01 1.25981e+00 46 2011 12 3.30687e+01 5.67342e-01 77 2012 1 3.45934e+01 1.06521e+00 19 2012 2 4.44851e+01 1.27075e+00 15 2012 3 5.36386e+01 9.62058e-01 13 2012 4 nan nan 0 2012 5 6.16337e+01 5.37557e-01 29 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 5.82318e+01 1.00078e-01 11 2012 9 nan nan 0 2012 10 4.48312e+01 1.43966e+00 55 2012 11 3.73288e+01 2.53843e+00 80 2012 12 3.26869e+01 2.93906e-01 32 2013 1 3.59039e+01 1.87637e+00 57 2013 2 4.10365e+01 2.39332e-01 8 2013 3 5.20588e+01 2.62341e+00 40 2013 4 5.58860e+01 0.00000e+00 1 2013 5 6.15856e+01 4.38544e-01 14 2013 6 6.27071e+01 3.28233e-02 11 2013 7 6.23560e+01 2.19994e-02 8 2013 8 5.95847e+01 1.02765e-01 3 2013 9 4.93433e+01 3.33002e-02 12 2013 10 4.55009e+01 2.27467e+00 79 2013 11 3.49440e+01 8.92313e-02 8 2013 12 3.28237e+01 4.69345e-01 25 2014 1 3.60689e+01 1.58520e+00 65 2014 2 4.35755e+01 1.50662e+00 11 2014 3 4.96622e+01 2.17286e+00 55 2014 4 5.81502e+01 1.82730e+00 26 2014 5 6.18905e+01 7.57021e-01 16 2014 6 6.29478e+01 5.53432e-02 16 2014 7 nan nan 0 2014 8 5.87899e+01 9.24551e-01 43 2014 9 5.41049e+01 2.85361e+00 9 2014 10 4.34077e+01 1.59550e+00 47 2014 11 3.70560e+01 2.17749e+00 67 2014 12 3.28266e+01 3.47405e-01 37 2015 1 3.65017e+01 1.69036e+00 58 2015 2 4.18963e+01 5.32007e-01 32 2015 3 5.16954e+01 2.37053e+00 46 2015 4 nan nan 0 2015 5 6.10104e+01 2.18094e-01 11 2015 6 6.27003e+01 2.01563e-01 30 2015 7 6.18808e+01 2.35801e-01 10 2015 8 5.91012e+01 1.25008e+00 28 2015 9 nan nan 0 2015 10 nan nan 0 2015 11 3.86943e+01 1.16119e+00 33 2015 12 3.26680e+01 3.92668e-01 43 2016 1 3.64627e+01 6.03132e-01 9 2016 2 4.28571e+01 2.25370e+00 31 2016 3 4.69092e+01 7.43343e-01 5 2016 4 5.75051e+01 7.92872e-01 26 2016 5 6.23001e+01 1.95494e-01 15 2016 6 6.26876e+01 2.11438e-02 5 2016 7 6.25392e+01 1.62631e-01 16 2016 8 5.79363e+01 1.90473e-02 7 2016 9 5.29565e+01 5.96315e-01 35 2016 10 4.55596e+01 1.91353e+00 52 2016 11 3.58332e+01 1.31287e+00 70 2016 12 3.29158e+01 4.38500e-01 26 2017 1 3.62314e+01 1.70485e+00 57 2017 2 4.18674e+01 2.40298e+00 30 2017 3 5.24459e+01 1.52752e+00 35 2017 4 nan nan 0 2017 5 6.04679e+01 3.36610e-01 28 2017 6 nan nan 0 2017 7 6.20799e+01 5.89038e-01 34 2017 8 5.89651e+01 8.33415e-01 17 2017 9 5.20030e+01 3.43490e-01 10 2017 10 4.39647e+01 1.65094e+00 33 2017 11 3.76297e+01 2.14524e+00 78 2017 12 3.28980e+01 4.07286e-01 49 2018 1 3.47286e+01 1.33888e+00 42 2018 2 4.11592e+01 2.58704e+00 32 2018 3 5.13817e+01 1.79402e+00 55 2018 4 5.37355e+01 2.31495e-01 8 2018 5 6.02897e+01 2.52893e-01 12 2018 6 nan nan 0 2018 7 nan nan 0 2018 8 5.82040e+01 2.82867e-03 3 2018 9 5.19209e+01 1.74363e+00 32 2018 10 4.40465e+01 2.66009e+00 36 2018 11 3.81838e+01 6.02952e-01 26 2018 12 3.28227e+01 3.91233e-01 28 2019 1 3.53437e+01 1.25723e+00 70 2019 2 4.09164e+01 2.10006e+00 58 2019 3 4.95716e+01 1.56303e-01 16 2019 4 5.70796e+01 4.82647e-01 10 2019 5 6.13120e+01 0.00000e+00 1 2019 6 6.28561e+01 1.03016e-01 21 2019 7 6.13979e+01 3.63766e-01 27 2019 8 5.99798e+01 5.34251e-02 12 2019 9 5.18930e+01 1.15487e+00 31 2019 10 4.57269e+01 9.02364e-01 40 2019 11 3.61161e+01 1.95492e+00 73 2019 12 3.30848e+01 4.80251e-01 54 2020 1 3.51247e+01 1.83095e+00 44 2020 2 3.97416e+01 2.02126e+00 18 2020 3 4.98720e+01 2.29172e+00 8 2020 4 5.65944e+01 2.17084e+00 22 2020 5 nan nan 0 2020 6 6.27613e+01 1.66296e-02 11 2020 7 6.14616e+01 4.92569e-01 18 2020 8 5.82988e+01 6.84205e-01 23 2020 9 5.09889e+01 1.28658e+00 9 2020 10 4.64575e+01 1.44028e+00 55 2020 11 nan nan 0 2020 12 3.28461e+01 3.20337e-01 52 2021 1 3.56304e+01 1.30425e+00 55 2021 2 4.08967e+01 2.27158e+00 48 2021 3 5.29652e+01 5.56059e-02 5 2021 4 5.73060e+01 4.03254e-01 5 2021 5 6.07574e+01 7.65521e-01 17 2021 6 nan nan 0 2021 7 6.18070e+01 5.66957e-01 40 2021 8 5.73067e+01 1.00907e+00 24 2021 9 5.24576e+01 2.60334e+00 34 2021 10 4.95280e+01 0.00000e+00 1 2021 11 3.42545e+01 4.02350e-01 35 2021 12 3.30263e+01 3.92238e-01 87 2022 1 3.55440e+01 1.79474e+00 53 2022 2 4.02512e+01 1.25868e+00 31 2022 3 nan nan 0 2022 4 nan nan 0 2022 5 6.08407e+01 6.09233e-01 19 2022 6 6.27559e+01 6.54706e-02 17 2022 7 6.23255e+01 2.56011e-01 21 2022 8 5.86020e+01 6.00052e-03 2 2022 9 5.31872e+01 1.60431e+00 50 2022 10 4.42424e+01 2.40277e+00 62 2022 11 3.61262e+01 1.46811e+00 55 2022 12 3.28669e+01 5.07546e-01 43 2023 1 3.48058e+01 1.37650e+00 71 2023 2 4.22383e+01 2.68365e+00 130 2023 3 4.83225e+01 1.06728e+00 59 2023 4 5.67437e+01 6.84335e-01 21 2023 5 6.14590e+01 1.65527e-01 8 2023 6 6.27939e+01 1.32260e-02 19 2023 7 6.17627e+01 2.19454e-01 16 2023 8 5.92563e+01 9.33287e-01 15 2023 9 5.33670e+01 2.19520e+00 14 2023 10 4.22285e+01 1.05721e+00 22 2023 11 3.60530e+01 1.88238e+00 29 2023 12 3.26720e+01 3.51371e-01 44 2024 1 3.79544e+01 4.41410e-01 5 2024 2 4.36141e+01 2.20698e+00 55 2024 3 5.11789e+01 3.66963e+00 18 2024 4 nan nan 0