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 -1.46094e+00 1.90229e+00 62 2002 8 1.65016e+00 1.09501e+00 54 2002 9 2.98763e+00 1.27333e+00 45 2002 10 3.24726e+00 8.74511e-01 48 2002 11 1.01077e+01 2.12776e+00 66 2002 12 4.73924e+00 1.51319e+00 58 2003 1 5.83320e+00 1.42867e+00 210 2003 2 3.04982e+00 5.71948e-01 96 2003 3 1.01434e+01 1.03961e+00 93 2003 4 8.29504e+00 1.39303e+00 71 2003 5 nan nan 0 2003 6 5.29022e+00 6.14803e-02 16 2003 7 1.07374e+01 3.52873e-01 16 2003 8 8.30512e+00 8.89485e-01 64 2003 9 6.62605e+00 6.52149e-01 64 2003 10 2.88593e+00 1.59678e+00 94 2003 11 3.52136e+00 5.06028e-01 170 2003 12 3.85490e+00 4.52234e-01 115 2004 1 2.41399e+00 3.01567e-01 97 2004 2 6.74944e+00 2.72086e+00 64 2004 3 4.55870e+00 8.90659e-01 156 2004 4 nan nan 0 2004 5 -8.04094e-01 1.22746e+00 93 2004 6 2.94752e-01 1.97690e+00 44 2004 7 7.09627e+00 7.12325e-02 7 2004 8 2.01966e+00 3.49713e-01 34 2004 9 4.63421e+00 1.91418e+00 117 2004 10 3.06407e+00 1.21567e+00 66 2004 11 3.77095e+00 5.08017e-01 32 2004 12 5.29794e+00 7.27260e-01 96 2005 1 4.18633e+00 4.40311e-01 120 2005 2 4.04981e+00 2.17432e-01 80 2005 3 3.08113e+00 6.13725e-01 78 2005 4 1.14305e+01 1.12590e+00 48 2005 5 7.14748e+00 9.01944e-01 27 2005 6 4.91425e+00 1.96552e-01 48 2005 7 3.95088e+00 1.81349e-01 16 2005 8 4.80491e+00 1.32312e+00 32 2005 9 -1.42098e+00 8.84897e-01 33 2005 10 2.47290e+00 7.21820e-01 152 2005 11 1.66183e+00 6.43719e-01 112 2005 12 3.05745e+00 9.56328e-01 108 2006 1 3.81004e+00 6.83117e-01 138 2006 2 3.56891e+00 3.08130e-01 142 2006 3 3.17727e+00 6.88539e-01 147 2006 4 7.00480e-01 1.99211e+00 39 2006 5 4.94725e-01 1.18972e+00 71 2006 6 2.60277e-01 1.70607e+00 48 2006 7 9.98811e-01 6.05086e-02 16 2006 8 2.04458e+00 1.54819e-01 16 2006 9 1.28518e+00 1.53990e+00 132 2006 10 2.33306e+00 5.55967e-01 93 2006 11 2.60280e+00 1.04028e+00 185 2006 12 9.06684e-01 1.14724e+00 169 2007 1 2.54058e+00 2.35374e-01 36 2007 2 3.61294e+00 6.99813e-01 150 2007 3 1.74845e+00 5.51168e-01 77 2007 4 2.27580e-01 2.38111e+00 59 2007 5 2.18399e-01 9.67469e-01 38 2007 6 -8.46123e-01 1.01897e+00 46 2007 7 6.16518e-01 6.71526e-02 32 2007 8 9.49272e-01 1.41669e+00 40 2007 9 8.51129e-01 1.40051e+00 86 2007 10 1.81479e+00 1.02419e+00 135 2007 11 3.03468e+00 3.64057e-01 102 2007 12 3.62721e+00 1.41157e+00 95 2008 1 6.44680e+00 9.16299e-01 104 2008 2 7.05774e+00 1.16455e+00 153 2008 3 8.30191e+00 1.94809e+00 60 2008 4 5.47519e+00 6.90493e-01 47 2008 5 2.23509e+00 1.93080e-02 14 2008 6 -2.19452e+00 3.44858e-01 16 2008 7 nan nan 0 2008 8 8.30234e-01 1.99209e+00 74 2008 9 1.47930e+00 9.49402e-01 32 2008 10 1.82385e+00 1.25766e+00 165 2008 11 1.11020e+00 6.05765e-01 103 2008 12 4.49504e+00 2.67082e+00 94 2009 1 5.03188e+00 5.20284e-01 101 2009 2 3.21265e+00 5.89475e-01 62 2009 3 3.06546e+00 4.00422e-01 84 2009 4 1.14924e+01 9.65148e-01 43 2009 5 4.84874e+00 1.07051e-01 16 2009 6 6.92448e+00 2.98021e-01 25 2009 7 3.49858e+00 8.01304e-02 16 2009 8 2.55615e+00 2.86431e+00 22 2009 9 -2.80786e+00 3.34900e-01 14 2009 10 3.84074e+00 7.48984e-01 111 2009 11 5.42724e+00 8.88811e-01 89 2009 12 1.03260e+01 0.00000e+00 1 2010 1 8.71703e+00 1.88022e+00 128 2010 2 1.07452e+01 6.60491e-01 33 2010 3 6.88425e+00 1.91652e+00 80 2010 4 3.86683e+00 6.14014e-01 33 2010 5 nan nan 0 2010 6 2.19687e+00 1.93497e+00 45 2010 7 1.91702e+00 1.42448e+00 54 2010 8 -4.05441e+00 3.79080e-01 16 2010 9 7.91508e-02 1.67427e+00 95 2010 10 1.85441e+00 8.96956e-01 126 2010 11 1.26763e+00 7.41786e-01 95 2010 12 1.79596e+00 1.94537e-01 166 2011 1 2.20381e+00 3.50430e-01 137 2011 2 3.60950e+00 6.58243e-01 148 2011 3 2.46815e+00 7.89978e-01 115 2011 4 2.54645e+00 5.76223e-01 46 2011 5 -8.97029e-01 1.84973e+00 88 2011 6 -1.81347e-01 1.21007e+00 52 2011 7 1.18620e+00 1.89904e+00 52 2011 8 1.60544e+00 1.13365e+00 84 2011 9 1.14884e+00 1.74533e+00 98 2011 10 3.38886e-01 9.95765e-01 172 2011 11 4.32819e-01 8.41116e-01 201 2011 12 1.02258e+00 1.03451e+00 126 2012 1 1.73893e+00 4.67438e-01 112 2012 2 1.37537e+00 3.64914e-01 13 2012 3 nan nan 0 2012 4 2.78011e+00 1.18888e-01 16 2012 5 -1.28744e+00 1.99867e+00 72 2012 6 -1.17287e+00 1.49286e+00 52 2012 7 nan nan 0 2012 8 9.73766e+00 2.93635e-01 16 2012 9 7.97557e+00 2.49625e-01 15 2012 10 5.20339e+00 8.43706e-01 83 2012 11 2.30084e+00 8.52668e-01 100 2012 12 2.73905e+00 4.18756e-01 142 2013 1 2.80008e+00 8.37304e-01 87 2013 2 2.55727e+00 2.45916e-01 66 2013 3 1.01060e+01 1.50454e+00 51 2013 4 5.21780e+00 2.49248e-01 16 2013 5 2.81214e+00 2.23623e-01 23 2013 6 8.26977e-01 1.76886e+00 32 2013 7 nan nan 0 2013 8 1.47501e+01 2.73485e+00 48 2013 9 1.13100e+01 2.61594e+00 136 2013 10 6.07139e+00 1.12326e+00 104 2013 11 3.54063e+00 7.42134e-01 126 2013 12 3.04423e+00 5.47630e-01 32 2014 1 6.38445e+00 8.74489e-01 112 2014 2 4.90017e+00 1.22040e+00 120 2014 3 7.16349e+00 8.10974e-01 80 2014 4 8.76255e+00 2.30681e+00 78 2014 5 9.02019e+00 7.54996e-01 41 2014 6 5.38823e+00 7.58704e-01 48 2014 7 5.08319e+00 2.56942e-01 17 2014 8 1.29706e+00 6.98995e-01 10 2014 9 1.48183e+00 1.56940e+00 44 2014 10 2.84175e+00 1.65141e+00 170 2014 11 2.83891e+00 6.15101e-01 121 2014 12 2.50408e+00 5.00923e-01 125 2015 1 5.16710e+00 9.21114e-01 168 2015 2 4.49449e+00 4.32871e-01 140 2015 3 3.39295e+00 3.86031e-01 64 2015 4 2.86931e+00 6.63685e-01 30 2015 5 4.87839e+00 3.03777e+00 64 2015 6 4.62018e+00 5.48261e-01 58 2015 7 3.06692e+00 8.13354e-01 32 2015 8 2.76372e-01 1.75589e+00 60 2015 9 3.59834e-01 1.55224e+00 32 2015 10 5.75906e+00 1.58873e+00 41 2015 11 7.94483e+00 4.25296e+00 58 2015 12 5.13583e+00 1.46975e-01 10 2016 1 1.09210e+01 1.69630e+00 43 2016 2 8.22045e+00 1.41886e+00 177 2016 3 6.84286e+00 1.45779e+00 109 2016 4 9.39508e+00 6.77139e-01 46 2016 5 nan nan 0 2016 6 3.76675e-01 1.31362e+00 48 2016 7 2.52828e+00 1.34124e+00 48 2016 8 4.66833e+00 6.95131e-01 64 2016 9 -1.24004e-01 1.35699e+00 102 2016 10 1.98732e+00 1.23961e+00 120 2016 11 1.49512e+00 6.87103e-01 112 2016 12 4.51410e+00 2.20563e+00 187 2017 1 8.66614e+00 1.49785e+00 80 2017 2 6.87456e+00 1.19972e+00 173 2017 3 5.79276e+00 1.37050e+00 49 2017 4 2.76692e+00 3.36036e-01 40 2017 5 -1.20175e-01 1.59875e+00 48 2017 6 1.35092e+00 1.77088e-01 19 2017 7 6.07983e+00 1.14002e+00 56 2017 8 4.33086e+00 6.77125e-01 32 2017 9 2.94287e+00 1.13721e+00 61 2017 10 3.30786e+00 6.29445e-01 84 2017 11 2.72428e+00 1.05095e+00 166 2017 12 2.08183e+00 2.10135e-01 64 2018 1 1.37848e+00 5.35258e-01 168 2018 2 5.64311e+00 4.51303e+00 36 2018 3 6.25926e+00 9.92848e-01 72 2018 4 3.04626e+00 1.06364e+00 73 2018 5 4.53354e+00 0.00000e+00 1 2018 6 4.65943e+00 4.10363e-01 32 2018 7 1.47186e+00 7.10762e-01 32 2018 8 7.28614e+00 2.03369e+00 60 2018 9 3.96712e+00 1.69812e+00 55 2018 10 4.19603e+00 2.17120e+00 101 2018 11 7.73803e+00 2.69080e+00 32 2018 12 8.21100e+00 6.32430e-01 80 2019 1 9.08928e+00 1.45434e+00 128 2019 2 6.67697e+00 1.54196e+00 32 2019 3 4.39306e+00 5.93972e-01 101 2019 4 -1.58880e-01 2.87913e+00 32 2019 5 -2.53388e-01 1.93974e+00 66 2019 6 -9.88518e-01 0.00000e+00 4 2019 7 -1.62890e+00 1.00610e+00 14 2019 8 6.50620e-01 1.13376e-01 5 2019 9 6.41020e-01 1.26625e+00 100 2019 10 -2.27545e-01 2.29235e-01 80 2019 11 6.90728e-01 2.52620e-01 31 2019 12 1.64549e+00 1.65029e+00 78 2020 1 4.96322e+00 4.63987e-01 32 2020 2 5.42624e+00 5.53338e-01 48 2020 3 7.15077e+00 1.10049e+00 83 2020 4 4.96109e+00 8.58438e-01 20 2020 5 4.64077e+00 7.83518e-01 71 2020 6 -1.89294e-01 1.53558e+00 44 2020 7 3.16710e+00 5.23440e-01 22 2020 8 -2.27322e+00 4.44206e-01 5 2020 9 1.16030e+01 4.06530e-02 16 2020 10 7.43802e+00 9.36997e-01 102 2020 11 3.15148e+00 1.85666e+00 26 2020 12 3.09776e+00 4.61674e-01 92 2021 1 6.06427e+00 2.71070e-01 16 2021 2 6.78651e+00 2.06608e+00 112 2021 3 6.15147e+00 8.77852e-01 128 2021 4 5.53883e+00 8.76591e-01 55 2021 5 4.83355e+00 1.97248e+00 46 2021 6 -7.10120e-01 1.64482e-01 15 2021 7 6.98243e+00 4.97412e-01 48 2021 8 3.41803e+00 2.12351e+00 28 2021 9 6.95079e+00 2.20426e+00 85 2021 10 7.43206e+00 1.94797e+00 41 2021 11 3.97558e+00 5.47000e-01 84 2021 12 3.54380e+00 7.61472e-01 85 2022 1 3.69865e+00 6.03726e-01 122 2022 2 2.89959e+00 5.60460e-01 78 2022 3 2.74569e+00 1.75639e+00 186 2022 4 5.49801e-01 5.18844e-01 16 2022 5 -2.78544e+00 1.87769e-01 7 2022 6 1.07111e+00 2.58892e+00 73 2022 7 5.65303e-01 1.33100e+00 66 2022 8 1.27908e+00 2.53501e+00 58 2022 9 2.02318e+00 2.19480e+00 68 2022 10 7.83795e-01 1.46674e+00 154 2022 11 5.43262e-01 6.43172e-01 111 2022 12 1.63471e+00 1.10131e+00 99 2023 1 2.45816e+00 5.63986e-01 132 2023 2 3.87652e+00 1.09800e+00 144 2023 3 3.30283e+00 3.69986e-01 64 2023 4 1.87324e+00 4.21964e-01 32 2023 5 4.67926e-01 7.31447e-01 32 2023 6 -2.54496e-01 3.11035e+00 28 2023 7 6.26262e+00 1.20677e+00 32 2023 8 1.78028e+00 9.51704e-01 60 2023 9 -9.65854e-02 1.20357e+00 57 2023 10 1.00823e+00 1.16278e+00 173 2023 11 1.06382e+00 8.03875e-01 108 2023 12 2.78385e+00 4.55698e-01 53 2024 1 4.71992e+00 7.02314e-01 77 2024 2 5.85564e+00 1.43709e+00 86 2024 3 7.27461e+00 2.61052e+00 35 2024 4 nan nan 0