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 3.24501e+00 4.53305e-01 19 2002 8 3.57485e+00 1.27500e+00 48 2002 9 1.60889e+00 3.14985e-01 44 2002 10 2.46926e+00 8.12689e-01 26 2002 11 nan nan 0 2002 12 2.28193e+00 1.08927e+00 41 2003 1 7.19647e-01 1.04537e+00 126 2003 2 2.15783e+00 5.33793e-01 69 2003 3 -1.10981e+00 1.19890e+00 35 2003 4 -6.05686e-01 1.03732e-01 12 2003 5 nan nan 0 2003 6 1.10011e+00 8.69949e-02 6 2003 7 -1.21288e+00 6.84347e-01 27 2003 8 -6.30812e-02 3.54690e-01 10 2003 9 1.16658e+00 4.36816e-01 50 2003 10 2.79534e+00 9.91501e-01 71 2003 11 1.81777e+00 5.21060e-01 116 2003 12 1.91804e+00 5.48947e-01 107 2004 1 2.78684e+00 3.21236e-01 77 2004 2 2.06028e+00 1.07017e+00 36 2004 3 1.53055e+00 9.08447e-01 87 2004 4 nan nan 0 2004 5 2.63300e+00 1.39245e-01 16 2004 6 2.13108e+00 1.65001e-01 16 2004 7 8.66010e-01 6.13014e-01 15 2004 8 2.14823e+00 2.60345e-01 16 2004 9 1.42694e+00 1.47421e+00 45 2004 10 2.00995e+00 7.66905e-01 80 2004 11 1.65573e+00 2.61875e-01 16 2004 12 9.89484e-01 6.75776e-01 77 2005 1 1.19620e+00 8.86090e-01 76 2005 2 1.82933e+00 4.98498e-01 77 2005 3 2.57892e+00 4.26544e-01 81 2005 4 -1.34516e+00 1.15317e-01 30 2005 5 2.87618e-01 2.97007e-01 20 2005 6 2.12454e+00 4.38276e-01 18 2005 7 1.62703e+00 6.14610e-01 39 2005 8 nan nan 0 2005 9 nan nan 0 2005 10 3.06340e+00 6.33134e-01 102 2005 11 2.90736e+00 5.91780e-01 39 2005 12 2.08112e+00 5.86331e-01 76 2006 1 1.91464e+00 4.50219e-01 73 2006 2 1.99588e+00 3.92056e-01 144 2006 3 2.25439e+00 4.49699e-01 116 2006 4 3.03583e+00 1.07184e-01 18 2006 5 2.72083e+00 9.84654e-02 23 2006 6 3.18961e+00 1.71388e-01 21 2006 7 nan nan 0 2006 8 2.29112e+00 1.30704e-01 13 2006 9 2.44889e+00 2.96561e-01 48 2006 10 2.58357e+00 4.61108e-01 93 2006 11 2.35562e+00 6.87796e-01 132 2006 12 3.80203e+00 9.75205e-01 117 2007 1 2.53101e+00 5.78655e-01 38 2007 2 1.69003e+00 7.34589e-01 55 2007 3 2.43780e+00 4.40893e-01 82 2007 4 1.36389e+00 1.05048e+00 27 2007 5 3.34461e+00 1.84802e+00 32 2007 6 3.65380e+00 1.07459e-01 16 2007 7 2.94888e+00 2.44704e-01 37 2007 8 2.75847e+00 2.79670e-01 16 2007 9 4.75827e+00 4.73766e-01 22 2007 10 3.64294e+00 3.40850e-01 52 2007 11 2.54236e+00 5.71719e-01 79 2007 12 1.89892e+00 4.95339e-01 50 2008 1 2.15065e-01 1.12844e+00 55 2008 2 2.50823e-01 7.54818e-01 87 2008 3 4.31773e-02 3.37023e-01 37 2008 4 1.32288e-01 1.78977e+00 19 2008 5 nan nan 0 2008 6 nan nan 0 2008 7 nan nan 0 2008 8 3.70347e+00 0.00000e+00 3 2008 9 nan nan 0 2008 10 2.60103e+00 6.78645e-01 77 2008 11 3.13255e+00 4.62863e-01 81 2008 12 1.33512e+00 1.13750e+00 64 2009 1 1.20083e+00 5.37399e-01 77 2009 2 2.33240e+00 7.84263e-01 54 2009 3 2.30187e+00 3.83606e-01 90 2009 4 -1.37192e+00 7.05054e-01 26 2009 5 2.94911e-01 2.59055e-01 16 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 1.67117e+00 8.25986e-02 17 2009 9 2.32161e+00 8.43759e-01 22 2009 10 1.46595e+00 5.55831e-01 119 2009 11 1.21613e+00 1.41437e+00 71 2009 12 nan nan 0 2010 1 3.34986e-01 1.18991e+00 54 2010 2 -6.93339e-01 8.74897e-02 12 2010 3 9.95659e-02 2.24518e-01 56 2010 4 1.08154e+00 3.20096e-01 44 2010 5 nan nan 0 2010 6 3.53955e+00 1.58843e+00 57 2010 7 2.96040e+00 5.48452e-01 43 2010 8 nan nan 0 2010 9 3.04656e+00 2.40511e-01 42 2010 10 2.56297e+00 2.94595e-01 104 2010 11 3.12092e+00 3.51505e-01 91 2010 12 3.19442e+00 4.23128e-01 143 2011 1 2.90126e+00 4.79393e-01 115 2011 2 1.73203e+00 7.55673e-01 100 2011 3 1.99273e+00 6.21546e-01 113 2011 4 2.46724e+00 2.04172e-01 18 2011 5 4.02513e+00 1.06647e+00 22 2011 6 3.31938e+00 8.53975e-01 34 2011 7 2.89538e+00 7.19003e-01 45 2011 8 2.57578e+00 3.74908e-01 42 2011 9 2.50749e+00 7.83220e-01 34 2011 10 3.17597e+00 3.62773e-01 65 2011 11 3.74757e+00 9.02940e-01 118 2011 12 3.60343e+00 7.54429e-01 78 2012 1 2.91880e+00 6.10229e-01 100 2012 2 3.37152e+00 1.48547e-01 16 2012 3 -5.12958e-01 7.95149e-01 19 2012 4 4.27801e+00 1.16179e+00 23 2012 5 4.67582e+00 1.46196e+00 28 2012 6 3.05293e+00 2.24716e-01 15 2012 7 nan nan 0 2012 8 -1.62571e+00 0.00000e+00 1 2012 9 nan nan 0 2012 10 1.31176e+00 5.59547e-01 35 2012 11 2.63620e+00 4.85466e-01 100 2012 12 2.59065e+00 5.36080e-01 100 2013 1 2.41119e+00 5.65218e-01 82 2013 2 2.82772e+00 1.23642e-01 29 2013 3 -2.65684e-01 3.78588e-01 54 2013 4 nan nan 0 2013 5 3.25294e+00 1.10035e+00 4 2013 6 5.91492e+00 2.02115e+00 32 2013 7 nan nan 0 2013 8 -8.13861e-01 5.29433e-01 15 2013 9 2.09153e-01 1.73163e+00 45 2013 10 5.78441e-01 7.49138e-01 72 2013 11 1.95517e+00 6.01865e-01 78 2013 12 2.59623e+00 1.19876e+00 54 2014 1 6.76895e-01 3.38541e-01 70 2014 2 1.42878e+00 7.61288e-01 64 2014 3 3.55207e-01 4.76088e-01 55 2014 4 5.41851e-01 1.57005e+00 38 2014 5 nan nan 0 2014 6 8.10478e-01 6.57204e-01 29 2014 7 nan nan 0 2014 8 7.47418e+00 2.11520e+00 11 2014 9 4.38551e+00 1.34935e+00 48 2014 10 2.02117e+00 1.38952e+00 167 2014 11 2.47403e+00 5.35198e-01 131 2014 12 2.98141e+00 4.33931e-01 94 2015 1 1.40318e+00 7.31118e-01 129 2015 2 1.71136e+00 4.07373e-01 108 2015 3 1.97488e+00 8.19646e-01 66 2015 4 8.24831e-01 1.69622e-01 8 2015 5 1.59329e+00 1.08959e+00 32 2015 6 1.80524e+00 9.96444e-01 49 2015 7 2.02945e+00 1.51118e-01 19 2015 8 3.96060e+00 3.42052e-01 8 2015 9 5.74731e-02 4.71239e+00 30 2015 10 1.72894e+00 1.18843e+00 60 2015 11 -2.81608e-01 9.61267e-01 57 2015 12 1.17997e+00 4.89166e-01 14 2016 1 -1.83537e+00 1.08641e-01 10 2016 2 1.73210e-01 5.12946e-01 99 2016 3 6.25065e-01 1.41906e+00 48 2016 4 4.55631e-01 1.67814e+00 7 2016 5 nan nan 0 2016 6 3.65080e+00 9.23945e-01 30 2016 7 2.48584e+00 3.36321e-01 18 2016 8 8.06144e-01 7.50716e-01 30 2016 9 2.52684e+00 3.13978e-01 43 2016 10 3.61892e+00 4.65851e-01 33 2016 11 2.84480e+00 4.13529e-01 106 2016 12 1.54192e+00 1.40715e+00 129 2017 1 -2.35042e-01 6.02959e-01 51 2017 2 5.97707e-01 6.80552e-01 146 2017 3 1.11950e+00 1.23505e+00 58 2017 4 2.07179e+00 3.70252e-01 55 2017 5 2.87472e+00 5.46271e-01 35 2017 6 3.54302e+00 1.70917e+00 48 2017 7 1.07280e+00 5.50003e-01 64 2017 8 1.40176e+00 2.21531e-01 16 2017 9 2.64574e+00 4.18836e-01 32 2017 10 2.10174e+00 1.03534e+00 90 2017 11 2.21045e+00 7.79252e-01 117 2017 12 3.01603e+00 2.98420e-01 39 2018 1 3.41757e+00 4.11850e-01 115 2018 2 3.25746e+00 1.13720e-01 16 2018 3 1.19543e+00 4.59389e-01 32 2018 4 2.34029e+00 1.38989e+00 39 2018 5 nan nan 0 2018 6 1.24605e+00 1.01749e+00 24 2018 7 3.83364e+00 2.41187e-01 8 2018 8 8.00057e-01 7.77685e-01 16 2018 9 1.55284e+00 1.08330e+00 42 2018 10 1.88389e+00 1.51348e+00 64 2018 11 nan nan 0 2018 12 -1.60212e-02 9.30615e-01 15 2019 1 -3.60119e-01 6.82800e-01 54 2019 2 3.42947e+00 2.88498e+00 18 2019 3 1.16239e+00 6.00124e-01 84 2019 4 2.12381e+00 2.53278e-01 20 2019 5 3.05113e+00 1.62259e+00 34 2019 6 6.86103e+00 0.00000e+00 1 2019 7 nan nan 0 2019 8 nan nan 0 2019 9 2.92964e+00 3.56638e-01 52 2019 10 4.22190e+00 1.57929e+00 53 2019 11 3.86262e+00 8.21915e-01 9 2019 12 3.59382e+00 2.65835e-01 30 2020 1 9.40205e-02 1.20106e-01 16 2020 2 1.24896e+00 2.17311e-01 48 2020 3 4.50653e-02 3.26228e-01 26 2020 4 1.59394e+00 8.77807e-02 16 2020 5 1.59442e-01 2.53749e-01 18 2020 6 3.45734e+00 2.82743e-01 16 2020 7 2.67941e+00 1.78315e-01 32 2020 8 1.34377e+00 4.87270e-01 16 2020 9 -1.21423e+00 6.34310e-02 16 2020 10 1.19771e+00 9.14585e-01 70 2020 11 2.85411e+00 1.48959e+00 6 2020 12 2.14406e+00 1.83111e-01 64 2021 1 nan nan 0 2021 2 1.25470e+00 9.52881e-01 32 2021 3 6.61810e-01 8.05337e-01 96 2021 4 8.58999e-01 4.17390e-01 64 2021 5 1.88551e+00 1.26924e-01 12 2021 6 4.05849e+00 0.00000e+00 2 2021 7 1.99642e-01 2.93397e-01 32 2021 8 7.91141e-01 2.04701e-01 11 2021 9 -4.03271e-01 2.60750e-01 16 2021 10 4.80867e-01 7.32969e-01 40 2021 11 1.91860e+00 7.00767e-01 43 2021 12 1.82640e+00 5.45538e-01 32 2022 1 1.61124e+00 6.58760e-01 67 2022 2 2.12658e+00 5.85599e-01 94 2022 3 2.78951e+00 3.14463e-01 110 2022 4 2.60640e+00 8.35696e-02 6 2022 5 2.14548e+00 2.44073e-01 24 2022 6 1.99596e+00 7.34764e-01 38 2022 7 3.73710e+00 1.15139e+00 30 2022 8 3.48395e+00 1.48503e+00 52 2022 9 2.29021e+00 1.86424e-01 16 2022 10 3.04913e+00 8.72537e-01 94 2022 11 3.76113e+00 7.42320e-01 83 2022 12 3.06678e+00 4.78876e-01 98 2023 1 2.35188e+00 6.66524e-01 150 2023 2 2.22330e+00 1.16265e+00 124 2023 3 2.24611e+00 2.98802e-01 28 2023 4 1.76464e+00 1.15164e+00 29 2023 5 3.20409e+00 2.82984e-01 16 2023 6 2.61889e+00 1.62543e-01 12 2023 7 1.74773e-01 5.44654e-01 32 2023 8 nan nan 0 2023 9 9.36843e+00 1.95118e+00 6 2023 10 3.26617e+00 8.81058e-01 128 2023 11 3.18479e+00 3.55450e-01 91 2023 12 3.18233e+00 3.51652e-01 34 2024 1 1.53841e+00 5.77461e-01 32 2024 2 1.42306e+00 1.57985e+00 48 2024 3 8.69693e-01 7.83312e-01 27 2024 4 nan nan 0