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 3.15771e-01 4.33029e-02 32 2002 8 5.43949e-01 2.21702e-01 48 2002 9 1.84556e+00 1.10827e+00 60 2002 10 7.22220e-01 3.21794e-01 165 2002 11 9.10656e-01 2.54481e-01 208 2002 12 1.22183e+00 3.39906e-01 163 2003 1 1.34900e+00 4.33606e-01 265 2003 2 1.15211e+00 4.65172e-01 176 2003 3 3.19407e+00 3.57948e+00 79 2003 4 1.35674e+00 1.10803e+00 174 2003 5 1.02033e+00 4.57885e-01 94 2003 6 1.03274e+00 2.08443e-01 64 2003 7 1.23588e+00 5.74004e-01 64 2003 8 1.32884e+00 5.17805e-01 48 2003 9 7.24864e-01 9.11572e-02 96 2003 10 8.52503e-01 4.06311e-01 192 2003 11 9.37825e-01 3.66680e-01 256 2003 12 1.48642e+00 3.38143e-01 176 2004 1 8.22959e-01 3.08834e-01 161 2004 2 7.70213e-01 1.20623e-01 64 2004 3 4.84405e-01 1.12885e-01 224 2004 4 4.87322e-01 1.96731e-01 144 2004 5 3.59735e-01 1.46535e-01 224 2004 6 2.37533e-01 2.84918e-02 80 2004 7 2.91839e-01 5.02014e-02 95 2004 8 3.00086e-01 6.08049e-02 80 2004 9 8.82111e-01 6.76033e-01 64 2004 10 7.99035e-01 2.95169e-01 128 2004 11 8.00883e-01 1.94414e-01 163 2004 12 1.04066e+00 2.49289e-01 119 2005 1 8.97886e-01 1.97290e-01 144 2005 2 6.61276e-01 1.28662e-01 144 2005 3 9.43492e-01 2.22659e-01 176 2005 4 8.81254e-01 4.99838e-01 160 2005 5 7.95224e-01 2.10198e-01 208 2005 6 8.26533e-01 3.07676e-01 137 2005 7 2.04239e+00 1.16476e+00 109 2005 8 2.00797e+00 8.00332e-01 96 2005 9 1.00155e+01 1.26695e+01 72 2005 10 1.16009e+00 3.93408e-01 240 2005 11 5.76085e-01 1.73203e-01 218 2005 12 7.47263e-01 3.11438e-01 175 2006 1 1.04212e+00 3.60771e-01 192 2006 2 1.11470e+00 4.34338e-01 170 2006 3 5.94262e-01 6.78233e-02 224 2006 4 4.26052e-01 6.38350e-02 188 2006 5 3.17996e-01 5.61165e-02 160 2006 6 2.46971e-01 1.23097e-01 144 2006 7 2.74374e-01 3.37726e-02 112 2006 8 2.67128e-01 5.41526e-02 160 2006 9 5.69271e-01 1.68351e-01 175 2006 10 6.27932e-01 1.40826e-01 224 2006 11 7.76047e-01 2.18461e-01 211 2006 12 7.38284e-01 2.19072e-01 128 2007 1 6.22520e-01 1.69773e-01 140 2007 2 6.34399e-01 2.33274e-01 160 2007 3 4.07430e-01 1.46149e-01 325 2007 4 6.38616e-01 2.45197e-01 201 2007 5 3.94298e-01 6.79606e-02 144 2007 6 3.50828e-01 7.27601e-02 96 2007 7 3.55618e-01 5.63124e-02 96 2007 8 5.07820e-01 2.99231e-01 128 2007 9 5.77494e-01 1.75635e-01 102 2007 10 8.45381e-01 9.88955e-02 96 2007 11 6.80794e-01 2.28609e-01 256 2007 12 4.21582e-01 1.27497e-01 170 2008 1 6.81553e-01 2.41479e-01 192 2008 2 5.77202e-01 1.15927e-01 208 2008 3 8.79747e-01 3.20061e-01 192 2008 4 4.95978e-01 7.78031e-02 192 2008 5 4.25569e-01 5.34549e-02 160 2008 6 3.29548e-01 7.21990e-02 128 2008 7 5.38433e-01 1.79223e-01 96 2008 8 3.33041e-01 5.77450e-02 79 2008 9 9.29710e-01 4.12728e-01 133 2008 10 6.71974e-01 2.25966e-01 264 2008 11 7.00593e-01 1.77945e-01 274 2008 12 1.10033e+00 3.79910e-01 229 2009 1 9.76895e-01 4.77591e-01 192 2009 2 9.32078e-01 3.55631e-01 240 2009 3 5.64598e-01 3.58937e-01 208 2009 4 5.94336e-01 2.17699e-01 144 2009 5 5.95508e-01 1.00938e-01 93 2009 6 4.56118e-01 7.03514e-02 80 2009 7 2.80966e-01 1.46618e-01 67 2009 8 4.31246e-01 2.13978e-01 85 2009 9 3.53454e-01 9.42291e-02 69 2009 10 7.49506e-01 4.28895e-01 153 2009 11 8.72171e-01 2.21171e-01 208 2009 12 1.39973e+00 9.81833e-02 48 2010 1 1.39222e+00 3.82032e-01 160 2010 2 1.43591e+00 5.59310e-01 207 2010 3 1.83671e+00 5.56302e-01 202 2010 4 1.35394e+00 8.10256e-01 187 2010 5 9.77304e-01 5.07280e-01 107 2010 6 6.39476e-01 2.43337e-01 160 2010 7 3.32206e-01 4.89198e-02 64 2010 8 2.65175e-01 4.83657e-02 114 2010 9 2.94993e-01 5.62750e-02 145 2010 10 3.70714e-01 5.19463e-02 351 2010 11 5.10234e-01 1.05522e-01 304 2010 12 1.44666e+00 1.06020e+00 256 2011 1 1.52361e+00 6.55929e-01 192 2011 2 8.30876e-01 2.26873e-01 208 2011 3 5.69129e-01 1.52721e-01 208 2011 4 3.55687e-01 1.03127e-01 216 2011 5 4.73905e-01 1.11448e-01 224 2011 6 1.33021e+00 9.24767e-01 128 2011 7 4.45024e-01 9.15717e-02 82 2011 8 4.21321e-01 1.10160e-01 153 2011 9 5.63531e-01 3.26894e-01 143 2011 10 6.64128e-01 2.35150e-01 240 2011 11 6.64229e-01 1.28541e-01 223 2011 12 9.68131e-01 1.92252e-01 192 2012 1 1.08187e+00 3.39739e-01 256 2012 2 1.08718e+00 1.77832e-01 48 2012 3 5.20820e-01 3.33324e-01 216 2012 4 3.27254e-01 1.64007e-01 205 2012 5 3.42882e-01 3.23176e-02 128 2012 6 6.34178e-01 2.45916e-01 80 2012 7 3.43624e-01 4.56297e-02 104 2012 8 3.43427e-01 3.64690e-02 96 2012 9 9.00547e-01 2.86038e-01 61 2012 10 9.26885e-01 5.59212e-01 240 2012 11 1.13674e+00 4.49911e-01 256 2012 12 7.71713e-01 3.59056e-01 152 2013 1 7.76410e-01 4.07292e-01 192 2013 2 7.36841e-01 1.86713e-01 176 2013 3 1.09213e+00 4.34945e-01 208 2013 4 7.67834e-01 9.09350e-02 80 2013 5 4.97078e-01 1.57751e-01 128 2013 6 4.94747e-01 2.10407e-01 91 2013 7 1.14294e+00 4.27574e-02 29 2013 8 5.42034e-01 1.52154e-01 81 2013 9 1.55406e+00 1.44635e+00 115 2013 10 1.02320e+00 6.68911e-01 200 2013 11 8.46216e-01 3.08207e-01 128 2013 12 1.06187e+00 3.50982e-01 160 2014 1 7.74445e-01 1.74631e-01 120 2014 2 5.14314e-01 1.14233e-01 160 2014 3 4.43682e-01 8.51308e-02 178 2014 4 1.09316e+00 8.94359e-01 144 2014 5 8.14265e-01 4.20191e-01 144 2014 6 9.43474e-01 6.70596e-01 140 2014 7 5.26097e-01 1.28890e-01 96 2014 8 4.03654e-01 7.33963e-02 202 2014 9 3.86852e-01 7.31333e-02 65 2014 10 1.10973e+00 4.52218e-01 259 2014 11 1.17820e+00 6.69215e-01 224 2014 12 1.03968e+00 2.52631e-01 184 2015 1 1.06403e+00 3.31755e-01 208 2015 2 7.78151e-01 2.31269e-01 188 2015 3 3.89904e-01 7.56720e-02 112 2015 4 5.97669e-01 8.65390e-02 64 2015 5 3.31150e-01 1.36252e-01 169 2015 6 2.79342e-01 9.38210e-02 144 2015 7 3.31832e-01 9.37153e-02 80 2015 8 3.53799e-01 6.21434e-02 112 2015 9 5.47246e-01 1.25510e-01 84 2015 10 5.73350e-01 8.30369e-02 224 2015 11 6.24914e-01 2.00707e-01 192 2015 12 4.86729e-01 1.00289e-01 128 2016 1 1.09284e+00 7.07150e-01 148 2016 2 1.43851e+00 5.73973e-01 272 2016 3 7.29497e-01 9.50898e-02 151 2016 4 5.57932e-01 1.90843e-01 117 2016 5 6.50087e-01 2.23885e-01 160 2016 6 3.05520e-01 3.62552e-02 146 2016 7 3.65683e-01 9.50693e-02 154 2016 8 3.40328e-01 2.86953e-02 123 2016 9 6.65455e-01 3.89495e-01 144 2016 10 4.14689e-01 7.30556e-02 298 2016 11 5.45106e-01 9.29341e-02 224 2016 12 6.84834e-01 1.11902e-01 192 2017 1 1.18716e+00 4.75242e-01 133 2017 2 7.79130e-01 2.41132e-01 304 2017 3 1.23942e+00 8.22975e-01 259 2017 4 5.32487e-01 1.60728e-01 136 2017 5 4.05730e-01 1.51028e-01 173 2017 6 6.73585e-01 1.97812e-01 80 2017 7 5.06463e-01 1.12300e-01 119 2017 8 6.03622e-01 1.59974e-01 116 2017 9 5.48681e-01 1.95648e-01 173 2017 10 6.43007e-01 1.53341e-01 181 2017 11 7.17637e-01 2.12666e-01 274 2017 12 7.86811e-01 2.53956e-01 112 2018 1 1.01717e+00 2.87201e-01 224 2018 2 3.97266e-01 1.66524e-01 96 2018 3 5.22062e-01 2.38371e-01 256 2018 4 4.36542e-01 6.18357e-02 152 2018 5 4.83634e-01 2.17927e-01 118 2018 6 4.35180e-01 7.61790e-02 128 2018 7 4.42971e-01 1.43334e-01 96 2018 8 6.88245e-01 3.56001e-01 48 2018 9 4.80180e-01 2.07944e-01 210 2018 10 1.59239e+00 1.05661e+00 224 2018 11 1.33656e+00 3.47121e-01 98 2018 12 1.86204e+00 5.14539e-01 128 2019 1 3.52081e+00 4.58623e+00 208 2019 2 1.01299e+00 6.97834e-02 64 2019 3 6.40350e-01 1.58805e-01 192 2019 4 6.33630e-01 1.97766e-01 114 2019 5 3.39399e-01 1.00997e-01 208 2019 6 4.38360e-01 8.42233e-02 64 2019 7 3.78787e-01 3.36196e-02 96 2019 8 4.08396e-01 1.12759e-01 133 2019 9 3.36827e-01 9.88327e-02 271 2019 10 6.69356e-01 3.09309e-01 183 2019 11 6.50026e-01 1.72115e-01 176 2019 12 7.52702e-01 8.62479e-02 144 2020 1 5.90807e-01 1.51772e-01 193 2020 2 1.06259e+00 5.30291e-01 144 2020 3 5.20916e-01 2.29022e-01 128 2020 4 3.90696e-01 9.85063e-02 144 2020 5 3.86666e-01 6.50059e-02 160 2020 6 3.98086e-01 1.27074e-01 128 2020 7 3.67555e-01 2.10586e-02 48 2020 8 3.23264e-01 2.14147e-02 64 2020 9 6.30722e-01 3.13056e-01 83 2020 10 9.70060e-01 2.08566e-01 176 2020 11 6.02966e-01 1.82122e-01 272 2020 12 1.29923e+00 4.07431e-01 240 2021 1 8.09279e-01 1.45119e-01 128 2021 2 9.01522e-01 3.59705e-01 112 2021 3 6.93904e-01 1.10639e-01 128 2021 4 5.35267e-01 2.02127e-01 201 2021 5 4.42486e-01 1.40424e-01 180 2021 6 4.25927e-01 3.03754e-02 73 2021 7 9.13600e-01 2.97226e-01 44 2021 8 1.47149e+00 8.30244e-01 112 2021 9 1.08843e+00 2.60328e-01 119 2021 10 1.82329e+00 1.39546e+00 161 2021 11 9.96221e-01 3.12389e-01 208 2021 12 8.42658e-01 2.32026e-01 156 2022 1 1.29989e+00 5.53915e-01 192 2022 2 6.43486e-01 2.96836e-01 176 2022 3 5.71468e-01 2.07133e-01 224 2022 4 3.25325e-01 1.95388e-02 79 2022 5 3.70420e-01 9.53371e-02 160 2022 6 3.94522e-01 1.32224e-01 208 2022 7 2.89938e-01 6.55160e-02 124 2022 8 4.93577e-01 2.02416e-01 94 2022 9 8.18514e-01 2.66223e-01 128 2022 10 7.76379e-01 1.89588e-01 272 2022 11 5.52338e-01 1.37579e-01 128 2022 12 7.93131e-01 2.82331e-01 180 2023 1 6.79157e-01 1.93965e-01 224 2023 2 7.48813e-01 4.28638e-01 192 2023 3 4.04935e-01 1.15094e-01 141 2023 4 2.18956e-01 8.45767e-02 126 2023 5 1.92243e-01 6.17052e-02 160 2023 6 2.41714e-01 5.03190e-02 96 2023 7 2.00382e-01 6.02861e-02 82 2023 8 4.18708e-01 4.15048e-01 145 2023 9 4.09296e-01 2.82534e-01 144 2023 10 7.73275e-01 5.96563e-01 177 2023 11 6.40353e-01 1.58240e-01 192 2023 12 1.03720e+00 1.37470e-01 64 2024 1 8.46006e-01 3.02305e-01 128 2024 2 1.02050e+00 4.00044e-01 160 2024 3 7.28686e-01 3.17019e-01 80 2024 4 nan nan 0