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 1.28801e+00 6.69241e-01 42 2002 8 2.41989e+00 7.16684e-01 30 2002 9 1.59861e+00 5.23588e-01 11 2002 10 2.72746e+00 1.61624e+00 143 2002 11 2.61980e+00 5.41697e-01 205 2002 12 2.51614e+00 6.92303e-01 130 2003 1 2.94422e+00 1.09293e+00 325 2003 2 3.63764e+00 8.42910e-01 247 2003 3 2.17366e+00 1.01852e+00 75 2003 4 1.30417e+00 7.72973e-01 179 2003 5 1.91887e+00 3.55366e-01 68 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 9.83750e-01 4.30655e-01 3 2003 9 1.84805e+00 3.62860e-01 12 2003 10 2.64799e+00 7.05221e-01 216 2003 11 1.49614e+00 7.40544e-01 189 2003 12 2.06903e+00 7.17412e-01 281 2004 1 2.24114e+00 9.32919e-01 317 2004 2 2.23270e+00 8.29972e-01 217 2004 3 1.70363e+00 8.14810e-01 41 2004 4 3.15897e+00 7.42463e-01 62 2004 5 2.79972e+00 1.62231e+00 65 2004 6 2.38621e+00 9.38974e-01 149 2004 7 2.42747e+00 3.62770e-01 20 2004 8 1.66930e+00 1.12419e+00 58 2004 9 1.63759e+00 5.41482e-01 42 2004 10 1.58550e+00 6.27571e-01 140 2004 11 2.64497e+00 1.11057e+00 178 2004 12 3.15628e+00 7.54228e-01 169 2005 1 2.06063e+00 9.82126e-01 155 2005 2 1.09289e+00 3.06484e-01 114 2005 3 1.65592e+00 4.72266e-01 185 2005 4 2.67805e+00 1.18540e+00 203 2005 5 1.84010e+00 4.38339e-01 44 2005 6 1.26045e+00 4.34664e-01 35 2005 7 6.91480e-01 1.84856e-01 13 2005 8 6.36410e-01 2.43738e-01 19 2005 9 6.63220e-01 4.72712e-01 42 2005 10 1.24306e+00 4.25420e-01 97 2005 11 1.36688e+00 6.55211e-01 153 2005 12 1.09672e+00 6.19701e-01 284 2006 1 1.99042e+00 7.86685e-01 209 2006 2 1.79137e+00 1.00773e+00 302 2006 3 1.16724e+00 7.43201e-01 356 2006 4 1.19770e+00 4.75644e-01 105 2006 5 1.18043e+00 4.06832e-01 120 2006 6 3.05445e+00 4.52679e-01 35 2006 7 1.34646e+00 8.10519e-01 6 2006 8 1.82399e+00 5.57688e-01 67 2006 9 1.42086e+00 3.67621e-01 94 2006 10 1.11859e+00 3.52903e-01 58 2006 11 1.25215e+00 3.38722e-01 179 2006 12 1.39834e+00 6.64823e-01 37 2007 1 1.45991e+00 5.83538e-01 173 2007 2 1.47896e+00 7.61299e-01 207 2007 3 1.59390e+00 7.34122e-01 226 2007 4 2.21523e+00 8.78240e-01 193 2007 5 2.55194e+00 1.04950e+00 79 2007 6 1.65816e+00 4.46060e-02 8 2007 7 1.55222e+00 3.38936e-01 33 2007 8 1.67278e+00 5.12804e-01 19 2007 9 1.18294e+00 5.94599e-01 69 2007 10 1.20846e+00 9.57907e-01 24 2007 11 1.84336e+00 8.53537e-01 112 2007 12 1.09950e+00 3.55470e-01 267 2008 1 2.08448e+00 1.22606e+00 301 2008 2 2.97482e+00 1.26535e+00 235 2008 3 3.31330e+00 9.63652e-01 187 2008 4 1.86847e+00 7.23433e-01 165 2008 5 1.98300e+00 5.55774e-01 178 2008 6 1.83108e+00 3.62482e-01 73 2008 7 1.23852e+00 6.81378e-01 22 2008 8 1.87693e+00 4.29399e-01 102 2008 9 2.87232e+00 3.76822e-01 29 2008 10 3.37461e+00 9.94626e-01 286 2008 11 2.38400e+00 6.87256e-01 309 2008 12 2.66867e+00 8.63151e-01 324 2009 1 2.91394e+00 6.23016e-01 343 2009 2 3.46818e+00 5.30661e+00 321 2009 3 1.94400e+00 7.47345e-01 285 2009 4 3.00923e+00 1.05477e+00 74 2009 5 2.42259e+00 5.32340e-01 103 2009 6 2.43602e+00 2.11499e-01 37 2009 7 2.20674e+00 5.82438e-01 49 2009 8 1.92505e+00 2.68757e-01 28 2009 9 2.49753e+00 1.58674e+00 42 2009 10 2.74861e+00 1.51088e+00 162 2009 11 2.50790e+00 9.22566e-01 222 2009 12 2.19523e+00 6.12288e-01 60 2010 1 2.35309e+00 4.88451e-01 210 2010 2 2.92485e+00 1.47775e+00 163 2010 3 3.00446e+00 7.95849e-01 446 2010 4 1.64581e+00 5.80889e-01 21 2010 5 2.67611e+00 9.04664e-01 48 2010 6 1.60203e+00 4.99891e-01 23 2010 7 1.48107e+00 3.98624e-01 25 2010 8 1.50832e+00 2.04043e-01 17 2010 9 nan nan 0 2010 10 1.97748e+00 6.66938e-01 411 2010 11 1.84560e+00 4.47364e-01 159 2010 12 1.87550e+00 8.23511e-01 339 2011 1 2.30568e+00 7.14119e-01 232 2011 2 2.50271e+00 1.15389e+00 161 2011 3 2.56321e+00 1.70401e+00 286 2011 4 1.98851e+00 8.05627e-01 108 2011 5 1.88070e+00 8.18967e-01 50 2011 6 2.31362e+00 7.37321e-01 59 2011 7 2.66901e+00 3.44742e-01 10 2011 8 nan nan 0 2011 9 2.26775e+00 5.51890e-01 107 2011 10 2.01882e+00 6.75524e-01 137 2011 11 1.73280e+00 6.37457e-01 262 2011 12 1.86349e+00 6.01210e-01 216 2012 1 3.26659e+00 2.24621e+00 190 2012 2 3.13775e+00 1.36689e+00 118 2012 3 2.33262e+00 2.31684e+00 99 2012 4 1.18323e+00 5.31364e-01 81 2012 5 1.81338e+00 6.44225e-01 51 2012 6 nan nan 0 2012 7 1.46939e+00 0.00000e+00 1 2012 8 2.49735e+00 6.73170e-01 5 2012 9 3.37671e+00 2.89102e+00 73 2012 10 2.20479e+00 7.67212e-01 52 2012 11 2.68450e+00 8.41830e-01 243 2012 12 3.16514e+00 1.88487e+00 169 2013 1 2.87460e+00 8.02086e-01 180 2013 2 1.97636e+00 6.24392e-01 295 2013 3 2.12198e+00 8.69544e-01 301 2013 4 2.13520e+00 5.30387e-01 98 2013 5 1.73353e+00 5.07381e-01 129 2013 6 1.70735e+00 5.66809e-01 96 2013 7 9.75715e-01 1.72442e-01 38 2013 8 1.23859e+00 2.58643e-01 47 2013 9 9.89251e-01 2.52249e-01 11 2013 10 1.09225e+00 3.67531e-01 226 2013 11 1.28073e+00 3.10101e-01 54 2013 12 1.22267e+00 6.38719e-01 264 2014 1 1.96081e+00 7.53046e-01 316 2014 2 2.10669e+00 5.78285e-01 220 2014 3 1.98962e+00 6.26759e-01 252 2014 4 2.34409e+00 1.06789e+00 42 2014 5 1.80380e+00 5.22018e-01 69 2014 6 1.46404e+00 3.56545e-01 24 2014 7 1.49485e+00 7.56965e-01 58 2014 8 1.14755e+00 3.38179e-01 30 2014 9 2.27400e+00 8.36313e-01 15 2014 10 1.25459e+00 7.04769e-01 137 2014 11 1.42141e+00 5.81183e-01 200 2014 12 1.58377e+00 6.76810e-01 176 2015 1 3.14295e+00 6.54324e-01 177 2015 2 2.55784e+00 7.35016e-01 272 2015 3 1.66317e+00 5.39364e-01 164 2015 4 1.33715e+00 5.13692e-01 64 2015 5 9.83997e-01 3.67181e-01 115 2015 6 6.75844e-01 2.50219e-01 38 2015 7 nan nan 0 2015 8 1.16693e+00 5.14969e-01 33 2015 9 nan nan 0 2015 10 9.33236e-01 3.83970e-01 87 2015 11 1.50318e+00 4.44495e-01 119 2015 12 2.24281e+00 7.81669e-01 85 2016 1 1.65046e+00 6.05273e-01 161 2016 2 3.18223e+00 1.40911e+00 244 2016 3 2.40312e+00 7.51291e-01 149 2016 4 2.44489e+00 6.88054e-01 95 2016 5 1.63250e+00 1.07977e+00 9 2016 6 1.99330e+00 5.87523e-01 79 2016 7 1.84143e+00 3.86738e-01 69 2016 8 1.26682e+00 5.72799e-01 121 2016 9 1.03707e+00 5.31520e-01 243 2016 10 1.33834e+00 4.40878e-01 31 2016 11 1.49934e+00 3.39286e-01 160 2016 12 1.24790e+00 3.04174e-01 185 2017 1 1.82439e+00 6.23122e-01 250 2017 2 1.40806e+00 7.56948e-01 350 2017 3 1.52503e+00 6.82486e-01 269 2017 4 7.52207e-01 4.84881e-01 168 2017 5 2.08768e+00 4.58164e-01 76 2017 6 1.22549e+00 4.72456e-02 5 2017 7 1.52235e+00 1.01552e+00 16 2017 8 9.46672e-01 1.33263e+00 59 2017 9 9.38570e-01 2.74335e-01 38 2017 10 1.63572e+00 2.54363e-01 37 2017 11 1.27815e+00 3.69034e-01 177 2017 12 1.57445e+00 6.55323e-01 153 2018 1 2.43162e+00 8.54537e-01 92 2018 2 2.43139e+00 1.37813e+00 196 2018 3 2.10072e+00 9.01398e-01 415 2018 4 1.07513e+00 6.41287e-01 83 2018 5 1.14506e+00 9.48429e-02 4 2018 6 2.20290e+00 1.19432e+00 55 2018 7 1.97532e+00 9.82538e-01 73 2018 8 9.69268e-01 3.49407e-01 24 2018 9 6.26306e-01 2.93510e-01 65 2018 10 3.59651e+00 6.32954e+00 45 2018 11 3.77456e-01 0.00000e+00 1 2018 12 6.14378e-01 3.79441e-01 195 2019 1 1.27024e+00 6.19609e-01 240 2019 2 8.61506e-01 4.58797e-01 188 2019 3 8.03263e-01 7.39764e-01 197 2019 4 6.88920e-01 6.45979e-01 75 2019 5 7.97822e-01 4.56098e-01 118 2019 6 1.89863e+00 1.78886e-01 12 2019 7 1.04950e+00 4.11549e-01 43 2019 8 2.66884e-01 1.85796e-01 7 2019 9 1.26198e+00 8.36611e-01 68 2019 10 1.75334e+00 5.53479e-01 72 2019 11 2.15269e+00 6.11972e-01 172 2019 12 2.46935e+00 1.07215e+00 43 2020 1 2.09685e+00 7.36618e-01 251 2020 2 2.44028e+00 9.55638e-01 195 2020 3 2.33563e+00 1.02150e+00 67 2020 4 2.51583e+00 6.13966e-01 113 2020 5 1.15566e+00 5.63104e-01 107 2020 6 1.34138e+00 5.09703e-01 76 2020 7 3.78030e-02 0.00000e+00 4 2020 8 1.57876e+00 5.77836e-01 49 2020 9 1.60513e+00 5.35918e-01 80 2020 10 2.06410e+00 8.26411e-01 122 2020 11 1.41286e+00 6.54950e-01 144 2020 12 1.44524e+00 5.21016e-01 211 2021 1 1.64769e+00 5.41472e-01 236 2021 2 2.09358e+00 7.75746e-01 253 2021 3 1.31222e+00 6.80538e-01 111 2021 4 1.43201e+00 6.32911e-01 147 2021 5 1.75068e+00 7.93478e-01 128 2021 6 2.04524e+00 7.94726e-01 58 2021 7 nan nan 0 2021 8 1.13775e+00 8.49338e-01 5 2021 9 5.03262e-01 2.09782e-01 79 2021 10 6.73834e-01 5.46381e-01 102 2021 11 9.37653e-01 5.61983e-01 364 2021 12 1.05976e+00 5.32775e-01 260 2022 1 1.97939e+00 1.54595e+00 328 2022 2 1.57275e+00 9.20008e-01 274 2022 3 1.32930e+00 5.90034e-01 218 2022 4 nan nan 0 2022 5 9.89991e-01 7.36825e-01 112 2022 6 1.14324e+00 4.53745e-02 10 2022 7 1.41172e+00 4.65843e-01 64 2022 8 1.58377e+00 2.40575e+00 25 2022 9 2.19025e+00 1.82132e+00 111 2022 10 9.21439e-01 4.90476e-01 175 2022 11 5.43817e-01 3.07165e-01 24 2022 12 7.87172e-01 4.23603e-01 197 2023 1 1.16162e+00 1.71411e+00 499 2023 2 1.23151e+00 6.66581e-01 520 2023 3 1.26020e+00 8.62987e-01 286 2023 4 9.02866e-01 6.81448e-01 118 2023 5 6.17820e-01 6.33755e-01 114 2023 6 1.08193e+00 8.99958e-01 69 2023 7 1.25804e+00 6.71309e-01 106 2023 8 1.47727e+00 8.13908e-01 66 2023 9 8.32785e-01 4.05573e-01 136 2023 10 1.19282e+00 4.72804e-01 82 2023 11 9.61377e-01 7.48906e-01 345 2023 12 1.00390e+00 4.31088e-01 167 2024 1 8.33963e-01 3.08974e-01 106 2024 2 9.76627e-01 5.38442e-01 382 2024 3 1.73920e+00 1.25113e+00 243 2024 4 1.04568e+00 3.29006e-01 31