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 2.35994e-01 1.78024e-01 34 2002 8 7.52883e-01 5.57036e-01 64 2002 9 6.89028e-01 3.84678e-01 60 2002 10 8.43556e-01 1.03028e+00 103 2002 11 1.75068e+00 7.24010e-01 206 2002 12 1.48974e+00 6.01074e-01 172 2003 1 1.50372e+00 4.23060e-01 214 2003 2 1.62241e+00 4.23158e-01 148 2003 3 nan nan 0 2003 4 9.14869e-01 1.46137e-01 24 2003 5 9.95573e-01 6.83225e-02 16 2003 6 1.79419e-01 1.59627e-02 16 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 1.09901e+00 2.67550e-01 63 2003 10 1.20600e+00 4.99152e-01 185 2003 11 1.37000e+00 5.02850e-01 159 2003 12 2.09964e+00 5.12220e-01 178 2004 1 1.69667e+00 3.77190e-01 120 2004 2 1.46074e+00 5.64555e-01 80 2004 3 1.06997e+00 3.43552e-01 72 2004 4 1.82903e+00 4.57100e-01 94 2004 5 1.30214e+00 4.45622e-01 67 2004 6 1.26885e+00 4.54053e-01 80 2004 7 8.76377e-01 3.83780e-01 97 2004 8 5.57345e-01 2.61905e-01 44 2004 9 1.08846e+00 4.21017e-01 21 2004 10 1.25382e+00 3.59940e-01 24 2004 11 1.34766e+00 2.85226e-01 58 2004 12 1.54002e+00 5.37029e-01 60 2005 1 1.53913e+00 5.80299e-01 135 2005 2 1.44951e+00 4.36693e-01 112 2005 3 2.13492e+00 5.00291e-01 128 2005 4 nan nan 0 2005 5 5.15597e-01 1.24954e-01 25 2005 6 7.92590e-01 1.48867e-01 61 2005 7 1.18486e+00 3.31958e-01 46 2005 8 1.08439e+00 2.94479e-01 16 2005 9 1.27553e+00 5.96412e-01 64 2005 10 1.32437e+00 5.15099e-01 211 2005 11 2.04791e+00 6.40360e-01 236 2005 12 2.13847e+00 3.53737e-01 207 2006 1 2.01901e+00 6.90388e-01 174 2006 2 1.96423e+00 5.90949e-01 157 2006 3 1.37154e+00 3.07999e-01 212 2006 4 1.71231e+00 4.21952e-01 136 2006 5 1.35204e+00 4.13501e-01 146 2006 6 1.44133e+00 3.35039e-01 52 2006 7 5.44070e-01 1.65012e-01 17 2006 8 6.69130e-01 4.69562e-01 67 2006 9 1.06060e+00 3.71797e-01 123 2006 10 1.22627e+00 4.64071e-01 144 2006 11 1.37175e+00 4.56157e-01 246 2006 12 1.49193e+00 5.53611e-01 133 2007 1 1.45709e+00 3.38570e-01 96 2007 2 1.33011e+00 4.83064e-01 221 2007 3 1.17054e+00 9.85933e-01 174 2007 4 1.37687e+00 7.59467e-01 98 2007 5 6.70805e-01 2.44440e-01 40 2007 6 1.02678e+00 6.87501e-02 32 2007 7 7.55601e-01 3.52800e-01 47 2007 8 6.31354e-01 2.78326e-01 34 2007 9 5.29921e-01 2.30017e-01 123 2007 10 1.16955e+00 3.23363e-01 107 2007 11 1.17840e+00 3.98078e-01 243 2007 12 1.35629e+00 7.42593e-01 112 2008 1 2.22203e+00 7.63390e-01 176 2008 2 1.65383e+00 6.51375e-01 258 2008 3 1.89576e+00 6.98095e-01 207 2008 4 8.95014e-01 4.43700e-01 101 2008 5 7.88152e-01 4.01660e-01 108 2008 6 4.30181e-01 2.32962e-01 49 2008 7 4.46426e-01 1.58897e-01 30 2008 8 4.27985e-01 2.10238e-01 18 2008 9 1.52590e+00 2.27788e+00 37 2008 10 1.09074e+00 3.98128e-01 154 2008 11 1.30166e+00 5.11645e-01 195 2008 12 1.72419e+00 6.85845e-01 188 2009 1 1.90847e+00 6.85231e-01 175 2009 2 1.93960e+00 4.66555e-01 224 2009 3 1.59508e+00 5.36732e-01 147 2009 4 1.85473e+00 5.60836e-01 48 2009 5 5.54532e-01 0.00000e+00 1 2009 6 5.18617e-01 1.17389e-01 16 2009 7 8.90867e-01 3.61560e-01 46 2009 8 7.85583e-01 4.04622e-01 71 2009 9 6.34642e-01 3.02086e-01 95 2009 10 9.02038e-01 1.76556e-01 128 2009 11 1.11082e+00 2.88941e-01 104 2009 12 1.38757e+00 1.60536e-01 32 2010 1 1.66046e+00 4.01404e-01 149 2010 2 1.18592e+00 3.07556e-01 37 2010 3 1.48920e+00 5.52782e-01 147 2010 4 1.01342e+00 2.87357e-01 38 2010 5 7.50998e-01 2.70639e-01 46 2010 6 7.99190e-01 2.59307e-01 32 2010 7 6.07039e-01 3.12893e-01 32 2010 8 7.62058e-01 5.21433e-01 16 2010 9 7.14231e-01 3.46683e-01 100 2010 10 1.23530e+00 4.74731e-01 263 2010 11 1.42046e+00 4.20356e-01 282 2010 12 2.00941e+00 6.03844e-01 224 2011 1 2.21610e+00 4.51871e-01 176 2011 2 1.89536e+00 3.72132e-01 148 2011 3 1.36168e+00 5.60981e-01 183 2011 4 1.32551e+00 3.76244e-01 128 2011 5 9.63597e-01 5.02066e-01 96 2011 6 5.22359e-01 3.76732e-01 48 2011 7 5.55101e-01 2.93106e-01 70 2011 8 7.82392e-01 3.82179e-01 87 2011 9 9.14520e-01 2.80738e-01 120 2011 10 1.26859e+00 5.28671e-01 292 2011 11 1.47112e+00 4.37442e-01 212 2011 12 1.56046e+00 4.22603e-01 208 2012 1 1.91958e+00 4.68049e-01 260 2012 2 2.31681e+00 8.29239e-01 64 2012 3 1.25653e+00 7.72150e-01 191 2012 4 9.13279e-01 4.59143e-01 149 2012 5 8.33984e-01 2.52800e-01 77 2012 6 7.56061e-01 0.00000e+00 3 2012 7 6.55895e-01 0.00000e+00 2 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 3.17418e+00 5.49791e-02 16 2012 11 1.08724e+00 3.77698e-01 216 2012 12 1.75908e+00 7.06113e-01 144 2013 1 1.74266e+00 6.93471e-01 112 2013 2 1.69468e+00 5.06579e-01 112 2013 3 1.41743e+00 3.32107e-01 84 2013 4 5.14986e-01 3.89262e-02 12 2013 5 2.03138e-01 9.91646e-02 8 2013 6 4.65589e-01 1.02390e-01 16 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 1.02553e+00 1.55815e-01 8 2013 10 1.43008e+00 4.82249e-01 80 2013 11 1.99473e+00 4.43569e-01 119 2013 12 2.04769e+00 5.37898e-01 160 2014 1 2.12191e+00 5.76593e-01 73 2014 2 1.52299e+00 4.93843e-01 132 2014 3 1.68248e+00 4.87280e-01 128 2014 4 1.14332e+00 8.15830e-02 13 2014 5 nan nan 0 2014 6 1.42706e+00 5.52793e-01 20 2014 7 2.22665e+00 7.06416e-01 94 2014 8 1.71212e+00 5.60779e-01 124 2014 9 1.68756e+00 6.42687e-01 96 2014 10 1.69892e+00 5.25038e-01 302 2014 11 2.53726e+00 6.29737e-01 211 2014 12 2.05981e+00 5.84088e-01 204 2015 1 1.43062e+00 6.13833e-01 127 2015 2 1.51202e+00 6.44532e-01 97 2015 3 9.23627e-01 3.69770e-01 41 2015 4 9.67544e-01 2.31312e-01 20 2015 5 1.55554e+00 2.61673e-01 69 2015 6 1.34639e+00 5.87509e-01 95 2015 7 2.10166e+00 8.40205e-01 32 2015 8 1.66131e+00 5.78587e-01 81 2015 9 1.68958e+00 5.85396e-01 96 2015 10 1.39096e+00 4.84682e-01 158 2015 11 1.16276e+00 2.68352e-01 143 2015 12 1.38985e+00 4.78041e-01 100 2016 1 2.39438e+00 6.83148e-01 201 2016 2 2.07203e+00 7.52883e-01 286 2016 3 1.45988e+00 4.81802e-01 161 2016 4 8.05183e-01 2.07643e-01 51 2016 5 9.06738e-01 4.50289e-01 53 2016 6 1.12401e+00 4.66978e-01 92 2016 7 1.17454e+00 4.59516e-01 138 2016 8 8.37417e-01 4.10779e-01 86 2016 9 8.36134e-01 2.82762e-01 120 2016 10 9.80320e-01 3.72907e-01 146 2016 11 9.50681e-01 4.37054e-01 153 2016 12 1.30248e+00 3.70089e-01 175 2017 1 1.78994e+00 7.19776e-01 163 2017 2 1.29810e+00 5.45700e-01 186 2017 3 1.15302e+00 3.32654e-01 192 2017 4 8.56032e-01 4.13938e-01 121 2017 5 6.63634e-01 2.87997e-01 67 2017 6 nan nan 0 2017 7 5.17859e-01 1.79829e-01 48 2017 8 6.38687e-01 3.04425e-01 49 2017 9 9.67585e-01 3.18843e-01 69 2017 10 1.25628e+00 5.36358e-01 234 2017 11 1.03633e+00 3.76151e-01 259 2017 12 1.11577e+00 4.60945e-01 176 2018 1 2.04183e+00 7.36343e-01 240 2018 2 1.23728e+00 3.05987e-01 128 2018 3 1.39657e+00 6.65292e-01 157 2018 4 8.88278e-01 2.05255e-01 77 2018 5 8.27019e-01 1.97689e-01 74 2018 6 5.01093e-01 2.54329e-01 38 2018 7 nan nan 0 2018 8 8.39163e-01 2.71418e-01 14 2018 9 1.04508e+00 4.20347e-01 106 2018 10 1.45412e+00 5.03731e-01 282 2018 11 1.43830e+00 6.93076e-01 76 2018 12 1.31200e+00 3.15408e-01 49 2019 1 8.78586e-01 3.50318e-02 5 2019 2 9.83902e-01 4.15417e-01 22 2019 3 9.83076e-01 3.19899e-01 63 2019 4 1.20556e+00 4.99210e-01 56 2019 5 6.05862e-01 2.95481e-01 107 2019 6 1.31973e-01 1.08111e-01 37 2019 7 3.73562e-01 2.77092e-01 34 2019 8 3.25420e-01 2.54210e-01 35 2019 9 7.09529e-01 1.47415e-01 61 2019 10 1.28314e+00 3.30083e-01 74 2019 11 1.45991e+00 4.47940e-01 143 2019 12 2.25213e+00 6.45392e-01 80 2020 1 1.72723e+00 3.11710e-01 160 2020 2 2.17053e+00 8.28883e-01 161 2020 3 1.13265e+00 3.91650e-01 166 2020 4 1.08935e+00 8.01850e-02 39 2020 5 7.46212e-01 3.56171e-01 82 2020 6 3.26042e-01 1.71568e-01 29 2020 7 7.70299e-01 7.98153e-02 16 2020 8 5.96024e-01 5.16986e-02 10 2020 9 7.34476e-01 1.74547e-01 20 2020 10 1.07641e+00 3.69693e-01 50 2020 11 1.07586e+00 4.12194e-01 80 2020 12 1.84272e+00 5.14295e-01 130 2021 1 1.91554e+00 4.42516e-01 51 2021 2 1.35657e+00 7.27284e-01 55 2021 3 8.24684e-01 5.31412e-02 10 2021 4 8.53611e-01 1.58726e-01 31 2021 5 7.09319e-01 1.08242e-01 21 2021 6 6.12640e-01 3.14546e-01 24 2021 7 nan nan 0 2021 8 8.41936e-01 1.84949e-01 16 2021 9 6.01964e-01 1.08444e-01 16 2021 10 8.18244e-01 2.18621e-01 24 2021 11 1.07880e+00 1.77968e-01 120 2021 12 9.86433e-01 2.79485e-01 115 2022 1 1.54784e+00 6.85791e-01 191 2022 2 1.10411e+00 3.79207e-01 145 2022 3 9.54509e-01 2.40128e-01 96 2022 4 nan nan 0 2022 5 1.69178e-01 1.02371e-01 11 2022 6 1.02789e-01 7.23334e-02 21 2022 7 1.72867e-01 1.36431e-01 13 2022 8 4.67204e-01 2.27054e-01 70 2022 9 1.10154e+00 1.18985e+00 20 2022 10 6.77682e-01 2.30190e-01 178 2022 11 7.63345e-01 3.37713e-01 87 2022 12 1.14476e+00 6.10843e-01 157 2023 1 1.21647e+00 4.42429e-01 208 2023 2 1.20512e+00 3.95247e-01 137 2023 3 nan nan 0 2023 4 nan nan 0 2023 5 7.83427e-01 5.01113e-01 48 2023 6 8.07137e-01 8.69036e-01 25 2023 7 5.89490e-01 1.76531e-01 16 2023 8 3.72657e-01 1.92092e-01 29 2023 9 nan nan 0 2023 10 9.19956e-01 6.92579e-01 63 2023 11 9.31879e-01 5.45630e-01 111 2023 12 7.99109e-01 1.44201e-01 16 2024 1 nan nan 0 2024 2 1.24749e+00 6.02793e-01 102 2024 3 9.51689e-01 4.29739e-01 68 2024 4 nan nan 0