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 1.21114e+00 1.92534e-01 32 2002 8 1.99659e+00 5.41188e-01 26 2002 9 4.35631e-01 1.94490e-01 3 2002 10 2.30100e+00 9.38889e-01 80 2002 11 4.32123e+00 5.57885e-01 152 2002 12 2.43185e+00 1.31156e+00 149 2003 1 2.60443e+00 7.13693e-01 203 2003 2 1.34119e+00 3.87121e-01 131 2003 3 6.71209e+00 3.41756e-01 3 2003 4 3.07853e+00 9.20196e-01 66 2003 5 5.10383e-01 1.17563e+00 44 2003 6 1.54977e+00 1.13926e+00 33 2003 7 3.98854e+00 6.92074e-02 16 2003 8 4.22877e+00 1.22858e-01 8 2003 9 9.15274e-01 1.66032e+00 23 2003 10 1.11160e+00 1.23132e+00 157 2003 11 2.01136e+00 1.01692e+00 176 2003 12 2.06114e+00 5.66226e-01 129 2004 1 1.14399e+00 4.83233e-01 100 2004 2 2.78350e+00 9.81477e-01 80 2004 3 2.05420e+00 8.26781e-01 93 2004 4 1.31064e+00 5.99565e-01 97 2004 5 8.66048e-01 5.41094e-01 87 2004 6 1.46161e+00 1.88875e-02 16 2004 7 1.30723e+00 1.31381e-01 32 2004 8 8.81383e-01 3.39567e-01 80 2004 9 1.90605e+00 2.23928e-01 37 2004 10 3.21959e+00 8.26573e-01 82 2004 11 1.77133e+00 1.40652e+00 99 2004 12 2.78784e+00 4.05472e-01 114 2005 1 2.22178e+00 5.99990e-01 140 2005 2 1.81853e+00 5.44052e-01 80 2005 3 2.62701e+00 7.22547e-01 172 2005 4 5.14945e+00 1.25053e+00 64 2005 5 3.72462e-01 1.19661e+00 34 2005 6 1.96970e+00 1.48604e+00 58 2005 7 2.05532e+00 8.37421e-01 31 2005 8 nan nan 0 2005 9 1.66448e+00 1.51259e+00 29 2005 10 1.36441e+00 1.38912e+00 116 2005 11 2.12189e+00 7.61735e-01 170 2005 12 2.32526e+00 3.97228e-01 104 2006 1 2.31553e+00 5.90823e-01 128 2006 2 2.10916e+00 7.62501e-01 148 2006 3 1.53741e+00 7.49832e-01 154 2006 4 1.05698e+00 4.62819e-01 81 2006 5 1.02621e+00 6.64338e-01 100 2006 6 9.51517e-01 7.87212e-01 56 2006 7 1.40163e+00 5.97524e-01 20 2006 8 7.77254e-01 7.79648e-01 54 2006 9 1.51866e+00 1.08966e+00 80 2006 10 8.37742e-01 7.66028e-01 104 2006 11 1.42759e+00 7.17931e-01 157 2006 12 7.71154e-01 5.25040e-01 86 2007 1 2.74022e+00 7.48812e-01 82 2007 2 2.80630e+00 7.30154e-01 133 2007 3 1.12251e+00 1.17172e+00 218 2007 4 5.82782e-01 6.39193e-01 110 2007 5 6.40216e-03 5.27758e-01 70 2007 6 1.19140e+00 4.23967e-01 38 2007 7 2.07432e+00 8.85833e-02 44 2007 8 1.78914e+00 1.82715e-01 32 2007 9 1.80340e+00 5.78407e-01 26 2007 10 3.58583e-01 1.50962e+00 70 2007 11 1.39169e+00 9.24927e-01 217 2007 12 6.82104e-01 1.20144e+00 78 2008 1 1.95211e+00 1.55623e+00 175 2008 2 1.80850e+00 6.58463e-01 221 2008 3 2.79304e+00 9.74857e-01 122 2008 4 1.79023e+00 9.98670e-01 86 2008 5 1.60143e+00 3.74788e-01 50 2008 6 1.61237e+00 7.27087e-01 77 2008 7 1.72605e+00 8.85491e-02 16 2008 8 nan nan 0 2008 9 2.79450e+00 8.95895e-01 63 2008 10 2.72418e+00 5.38152e-01 146 2008 11 1.92091e+00 5.71179e-01 231 2008 12 2.10842e+00 9.51140e-01 132 2009 1 2.20965e+00 8.88947e-01 161 2009 2 1.69093e+00 6.11366e-01 178 2009 3 1.35179e+00 7.52153e-01 146 2009 4 4.01319e+00 2.16304e-01 11 2009 5 2.25339e+00 1.04449e+00 42 2009 6 2.15135e+00 1.55484e-01 21 2009 7 1.58280e+00 1.20881e-01 16 2009 8 1.08611e+00 7.83231e-01 50 2009 9 1.84632e+00 1.45957e+00 55 2009 10 3.48214e+00 1.23205e+00 108 2009 11 3.40523e+00 5.54146e-01 81 2009 12 4.90746e+00 2.02582e-01 44 2010 1 4.83604e+00 1.10873e+00 128 2010 2 4.89475e+00 8.27556e-01 118 2010 3 3.57978e+00 9.59136e-01 128 2010 4 9.49602e-01 8.13665e-01 89 2010 5 7.07294e-01 8.87398e-01 64 2010 6 6.28144e-01 8.03473e-01 75 2010 7 1.46446e+00 5.72279e-01 45 2010 8 1.77593e+00 4.78359e-01 9 2010 9 9.30831e-01 1.09763e+00 146 2010 10 3.27255e-01 9.75362e-01 250 2010 11 3.65683e-01 1.10947e+00 222 2010 12 1.74861e+00 7.11879e-01 176 2011 1 1.61725e+00 6.07951e-01 166 2011 2 2.39104e+00 6.81938e-01 174 2011 3 2.19299e+00 5.81437e-01 132 2011 4 1.05069e+00 7.10950e-01 95 2011 5 1.24756e+00 6.11156e-01 102 2011 6 2.16836e+00 3.21622e-01 45 2011 7 1.43356e+00 3.16182e-01 32 2011 8 7.07181e-01 1.02349e+00 73 2011 9 5.69039e-01 7.77872e-01 120 2011 10 1.46351e+00 6.95013e-01 229 2011 11 1.63413e+00 4.67671e-01 176 2011 12 1.32515e+00 4.84614e-01 156 2012 1 1.20997e+00 9.71198e-01 203 2012 2 1.59320e+00 6.47965e-02 28 2012 3 1.05054e+00 9.16497e-01 185 2012 4 -5.00447e-02 7.86021e-01 115 2012 5 4.04191e-01 5.55187e-01 66 2012 6 2.06078e+00 1.73972e-01 30 2012 7 -1.08797e+00 1.91100e-01 11 2012 8 1.23307e+00 2.71166e+00 18 2012 9 2.05427e+00 3.02802e-01 22 2012 10 3.54984e+00 7.38074e-01 94 2012 11 1.91090e+00 8.53188e-01 144 2012 12 2.68388e+00 1.39756e+00 108 2013 1 2.19089e+00 9.35969e-01 106 2013 2 2.29612e+00 4.29616e-01 79 2013 3 4.88826e+00 8.94768e-01 103 2013 4 1.84774e+00 5.31480e-01 48 2013 5 -5.62203e-01 7.07266e-01 49 2013 6 4.90330e-01 4.92181e-01 59 2013 7 nan nan 0 2013 8 2.66925e+00 1.47069e+00 36 2013 9 2.92741e+00 8.21834e-01 48 2013 10 2.34920e+00 1.38360e+00 121 2013 11 1.49113e+00 7.89244e-01 109 2013 12 1.08147e+00 1.30245e+00 111 2014 1 4.46043e+00 1.00172e+00 101 2014 2 1.90033e+00 5.93672e-01 135 2014 3 3.57755e+00 7.40173e-01 76 2014 4 2.00862e+00 2.19354e-01 48 2014 5 2.92494e+00 1.02069e+00 32 2014 6 2.69685e-02 6.02470e-01 35 2014 7 4.18378e-01 4.55954e-01 64 2014 8 2.71889e-01 7.21845e-01 48 2014 9 2.09758e+00 7.85178e-01 96 2014 10 2.08146e+00 8.06912e-01 260 2014 11 2.21929e+00 7.83294e-01 185 2014 12 1.75701e+00 1.39345e+00 156 2015 1 3.64228e+00 7.20728e-01 132 2015 2 3.70038e+00 4.78453e-01 132 2015 3 2.01566e+00 5.53284e-01 121 2015 4 1.38285e+00 1.31363e+00 54 2015 5 1.97509e+00 5.82075e-01 73 2015 6 1.56853e+00 6.81241e-01 20 2015 7 1.45950e+00 2.76104e-01 17 2015 8 1.20356e+00 1.70273e+00 37 2015 9 2.31157e+00 9.48073e-01 57 2015 10 1.92394e+00 2.37206e-01 97 2015 11 2.74895e+00 7.88891e-01 65 2015 12 1.41845e+00 1.29365e+00 47 2016 1 5.10870e+00 1.18737e+00 152 2016 2 3.33927e+00 1.01652e+00 241 2016 3 2.49540e+00 6.41833e-01 110 2016 4 4.05319e+00 1.38806e+00 46 2016 5 -7.25493e-02 6.22486e-01 34 2016 6 -2.47203e-01 8.16458e-01 105 2016 7 4.28929e-01 9.80498e-01 94 2016 8 2.74205e+00 1.56075e+00 43 2016 9 2.65156e+00 1.20773e+00 43 2016 10 2.71703e+00 1.01059e+00 153 2016 11 2.53392e+00 4.48900e-01 154 2016 12 1.36368e+00 8.42791e-01 211 2017 1 2.32641e+00 1.03853e+00 127 2017 2 1.64164e+00 1.02288e+00 238 2017 3 8.64819e-01 9.90804e-01 145 2017 4 1.33272e+00 6.24295e-01 105 2017 5 1.04761e+00 7.01238e-01 67 2017 6 -2.59106e-01 1.75024e-01 16 2017 7 nan nan 0 2017 8 1.55065e+00 1.29029e+00 63 2017 9 1.64403e+00 6.44180e-01 59 2017 10 2.63691e+00 5.73656e-01 116 2017 11 2.00135e+00 4.05352e-01 226 2017 12 1.15717e+00 8.24646e-01 93 2018 1 1.02046e+00 5.49411e-01 219 2018 2 1.03443e+00 3.32424e-01 102 2018 3 1.18232e+00 7.74800e-01 171 2018 4 9.91122e-01 3.90562e-01 152 2018 5 4.45246e-01 5.78545e-01 80 2018 6 1.26095e+00 2.61992e-01 40 2018 7 1.34883e+00 1.46281e+00 74 2018 8 1.56391e+00 2.13875e-01 16 2018 9 3.29953e+00 1.01069e+00 43 2018 10 3.64444e+00 5.80812e-01 183 2018 11 3.19715e+00 5.48056e-01 80 2018 12 4.90685e+00 1.42176e+00 120 2019 1 5.13331e+00 8.10441e-01 162 2019 2 3.43485e+00 3.16213e-01 48 2019 3 2.61051e+00 9.55235e-01 106 2019 4 2.69896e+00 7.53487e-01 88 2019 5 6.83065e-01 1.00450e+00 111 2019 6 3.99139e-01 7.17846e-01 37 2019 7 1.81743e-01 4.94914e-01 26 2019 8 2.16854e+00 4.75864e-01 46 2019 9 2.74332e+00 6.47842e-01 96 2019 10 1.71921e+00 6.75543e-01 80 2019 11 1.28745e+00 8.82721e-01 162 2019 12 2.55181e+00 9.88497e-01 49 2020 1 2.19781e+00 8.63263e-01 84 2020 2 3.46846e+00 7.67565e-01 130 2020 3 3.80448e+00 1.03036e+00 106 2020 4 1.53135e+00 5.20175e-01 85 2020 5 1.33448e+00 1.21873e+00 93 2020 6 6.43580e-01 4.10217e-01 34 2020 7 9.89513e-01 1.24742e-01 15 2020 8 1.81899e-02 6.79707e-01 64 2020 9 7.52029e+00 6.70009e-02 16 2020 10 4.09117e+00 7.06344e-01 70 2020 11 3.26788e+00 3.41131e-01 155 2020 12 2.92076e+00 6.98539e-01 154 2021 1 3.39459e+00 4.81146e-01 112 2021 2 3.99404e+00 9.82502e-01 103 2021 3 3.56590e+00 6.65888e-01 101 2021 4 2.23730e+00 4.09123e-01 89 2021 5 1.86278e+00 6.68442e-01 74 2021 6 -1.20437e+00 2.36616e-02 10 2021 7 2.48340e+00 2.53671e-01 32 2021 8 2.33405e+00 1.31277e+00 48 2021 9 1.22443e+00 3.04551e+00 25 2021 10 3.52538e+00 6.07776e-01 47 2021 11 2.63400e+00 1.01517e+00 132 2021 12 1.98662e+00 9.57211e-01 102 2022 1 2.93865e+00 9.93669e-01 213 2022 2 2.07295e+00 3.11228e-01 88 2022 3 3.07933e+00 1.61562e+00 169 2022 4 2.09850e+00 3.49538e-01 30 2022 5 2.05026e+00 3.80562e-01 32 2022 6 1.85791e+00 5.91789e-01 40 2022 7 1.28486e+00 8.65457e-01 65 2022 8 1.56422e+00 7.95582e-01 92 2022 9 3.56491e+00 5.02658e-01 56 2022 10 2.30896e+00 1.00946e+00 192 2022 11 1.06739e+00 1.36505e+00 99 2022 12 2.04381e+00 1.34863e+00 194 2023 1 1.68098e+00 1.07208e+00 232 2023 2 2.48504e+00 9.87105e-01 197 2023 3 8.08675e-01 1.31058e+00 126 2023 4 1.40451e+00 1.11448e+00 56 2023 5 7.18853e-01 1.16155e+00 53 2023 6 1.07041e+00 3.93899e-01 33 2023 7 1.46091e+00 8.07977e-01 60 2023 8 1.12409e+00 1.44007e+00 37 2023 9 2.47324e+00 1.03378e+00 104 2023 10 2.67681e+00 1.02128e+00 135 2023 11 2.12257e+00 7.31370e-01 124 2023 12 2.74463e+00 4.90714e-01 50 2024 1 3.36227e+00 8.11327e-01 64 2024 2 3.12656e+00 5.72826e-01 148 2024 3 2.56594e+00 8.21821e-01 96 2024 4 nan nan 0