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 1.07016e+00 6.32960e-01 27 2002 8 1.53521e+00 2.97950e-01 48 2002 9 3.07572e+00 1.33506e+00 126 2002 10 2.53056e+00 8.43503e-01 160 2002 11 2.98076e+00 8.36314e-01 219 2002 12 2.83397e+00 5.18158e-01 128 2003 1 4.24437e+00 1.40251e+00 205 2003 2 2.37819e+00 7.45902e-01 155 2003 3 nan nan 0 2003 4 3.48056e+00 2.62247e+00 96 2003 5 3.46398e+00 8.46415e-01 48 2003 6 2.21788e+00 1.12463e+00 64 2003 7 3.58221e+00 1.21252e+00 32 2003 8 6.65138e+00 1.50774e+00 25 2003 9 5.52858e+00 2.30227e+00 92 2003 10 2.37849e+00 1.14731e+00 229 2003 11 3.04230e+00 1.07269e+00 296 2003 12 2.15369e+00 8.30206e-01 180 2004 1 1.03813e+00 7.56494e-01 112 2004 2 2.30368e+00 7.74753e-01 50 2004 3 3.11368e+00 1.06757e+00 108 2004 4 1.00964e+00 9.14545e-01 107 2004 5 9.70495e-01 1.18014e+00 114 2004 6 1.45403e+00 7.05113e-01 64 2004 7 2.47612e+00 4.22899e-01 48 2004 8 2.01230e+00 8.36557e-01 69 2004 9 4.00506e+00 1.50723e+00 78 2004 10 7.22315e+00 1.02770e+00 56 2004 11 5.44615e+00 1.17948e+00 118 2004 12 4.48711e+00 8.82982e-01 106 2005 1 3.94402e+00 9.82747e-01 195 2005 2 2.54194e+00 5.87759e-01 96 2005 3 3.92263e+00 1.52861e+00 136 2005 4 7.24469e+00 1.16784e+00 48 2005 5 3.02860e+00 1.55052e+00 54 2005 6 3.51044e+00 7.90931e-01 48 2005 7 4.31476e+00 1.71362e+00 68 2005 8 6.07760e+00 1.43464e+00 74 2005 9 3.54448e+00 1.48548e+00 80 2005 10 3.05341e+00 7.91675e-01 268 2005 11 2.50447e+00 5.70532e-01 240 2005 12 2.58512e+00 5.19298e-01 224 2006 1 3.60405e+00 1.21397e+00 144 2006 2 3.63443e+00 7.29544e-01 167 2006 3 3.70845e+00 8.27347e-01 207 2006 4 1.57907e+00 1.09685e+00 152 2006 5 8.79545e-01 5.37276e-01 205 2006 6 1.04823e+00 7.60709e-01 100 2006 7 1.09706e+00 7.04710e-01 109 2006 8 1.59417e+00 6.37172e-01 104 2006 9 2.21803e+00 4.73429e-01 134 2006 10 2.23373e+00 1.07659e+00 251 2006 11 1.53078e+00 6.44918e-01 272 2006 12 1.14674e+00 7.54452e-01 148 2007 1 1.75966e+00 1.22913e+00 96 2007 2 2.82268e+00 6.85675e-01 160 2007 3 1.66620e+00 1.30230e+00 254 2007 4 1.25289e+00 1.25135e+00 176 2007 5 8.39814e-01 5.13639e-01 62 2007 6 1.15982e+00 8.11973e-01 55 2007 7 1.56391e+00 6.39044e-01 96 2007 8 2.10675e+00 2.29965e-01 96 2007 9 2.25681e+00 4.39535e-01 151 2007 10 1.90783e+00 4.13991e-01 112 2007 11 1.03517e+00 6.95501e-01 272 2007 12 9.04609e-01 8.50042e-01 153 2008 1 1.24559e+00 4.28780e-01 180 2008 2 1.59938e+00 1.10258e+00 263 2008 3 4.56959e+00 1.71668e+00 161 2008 4 1.77272e+00 9.81916e-01 117 2008 5 2.24904e+00 9.23334e-01 174 2008 6 1.10825e+00 5.52357e-01 112 2008 7 1.45794e+00 5.36512e-01 64 2008 8 2.77574e+00 6.47027e-02 32 2008 9 6.63964e+00 1.03706e+00 76 2008 10 3.68680e+00 6.64374e-01 243 2008 11 1.97187e+00 7.66248e-01 230 2008 12 3.36674e+00 9.01479e-01 176 2009 1 3.00771e+00 7.47733e-01 128 2009 2 1.51974e+00 7.81135e-01 181 2009 3 1.06258e+00 6.83446e-01 161 2009 4 7.88086e+00 2.72267e+00 48 2009 5 3.24521e+00 3.36809e-01 48 2009 6 9.18817e-01 1.03329e+00 72 2009 7 1.67339e+00 5.26255e-01 79 2009 8 1.86386e+00 3.17604e-01 96 2009 9 2.66228e+00 1.06840e+00 127 2009 10 2.95902e+00 1.01561e+00 188 2009 11 2.07673e+00 6.12170e-01 188 2009 12 4.62095e+00 1.58166e+00 35 2010 1 6.36232e+00 8.47820e-01 144 2010 2 7.06958e+00 1.01450e+00 114 2010 3 4.66536e+00 1.54352e+00 102 2010 4 4.81972e+00 8.91299e-01 133 2010 5 3.07454e+00 2.05197e+00 63 2010 6 2.09366e+00 8.48132e-01 157 2010 7 1.76330e+00 1.22473e+00 80 2010 8 4.27951e-01 6.92423e-01 31 2010 9 1.88739e+00 1.07100e+00 206 2010 10 1.69535e+00 7.67054e-01 350 2010 11 1.16878e+00 6.04737e-01 240 2010 12 1.44650e+00 9.03840e-01 269 2011 1 1.36442e+00 4.60498e-01 160 2011 2 1.27751e+00 2.69425e-01 142 2011 3 2.01480e+00 6.19502e-01 144 2011 4 1.76588e+00 6.29430e-01 160 2011 5 1.60095e+00 8.15781e-01 167 2011 6 1.12848e+00 7.56894e-01 96 2011 7 1.81766e+00 4.02910e-01 112 2011 8 1.44309e+00 7.23268e-01 144 2011 9 1.58166e+00 6.15028e-01 164 2011 10 1.88752e+00 7.31851e-01 336 2011 11 1.21968e+00 6.37788e-01 224 2011 12 8.93998e-01 5.88784e-01 240 2012 1 1.67547e+00 8.21342e-01 252 2012 2 1.80529e+00 6.88488e-01 64 2012 3 1.36103e+00 7.85364e-01 240 2012 4 1.11610e+00 6.11904e-01 246 2012 5 1.07517e+00 3.59826e-01 132 2012 6 1.22296e+00 4.62252e-02 16 2012 7 3.53407e+00 2.25886e+00 82 2012 8 5.19809e+00 3.06623e-01 16 2012 9 5.38247e+00 1.23250e+00 68 2012 10 5.74802e+00 9.85269e-01 216 2012 11 2.46047e+00 1.03168e+00 238 2012 12 1.37885e+00 3.24528e-01 150 2013 1 1.28831e+00 7.64817e-01 128 2013 2 1.59104e+00 9.37477e-01 112 2013 3 6.22608e+00 1.84811e+00 160 2013 4 4.75546e+00 9.99715e-01 64 2013 5 1.99597e+00 6.09033e-01 65 2013 6 2.04005e+00 1.24534e+00 98 2013 7 nan nan 0 2013 8 6.94172e+00 8.54845e-02 16 2013 9 6.40574e+00 6.67545e-01 147 2013 10 3.87491e+00 1.72321e+00 152 2013 11 2.96758e+00 6.67067e-01 96 2013 12 2.11618e+00 7.16499e-01 118 2014 1 4.25449e+00 1.25670e+00 78 2014 2 3.16696e+00 1.32010e+00 126 2014 3 3.49626e+00 6.16895e-01 85 2014 4 nan nan 0 2014 5 5.39601e+00 2.07561e-01 16 2014 6 2.77142e+00 3.09655e-01 18 2014 7 6.87218e-01 7.95972e-01 100 2014 8 9.44181e-01 9.17971e-01 144 2014 9 1.67325e+00 5.71699e-01 132 2014 10 1.74281e+00 8.46546e-01 334 2014 11 1.90792e+00 6.17078e-01 240 2014 12 2.00489e+00 9.18189e-01 190 2015 1 3.85528e+00 1.09504e+00 144 2015 2 4.57143e+00 9.40472e-01 132 2015 3 3.47753e+00 9.37934e-01 64 2015 4 3.71022e+00 6.69113e-01 32 2015 5 1.72486e+00 9.84551e-01 172 2015 6 1.20247e+00 1.04103e+00 81 2015 7 1.37721e+00 6.20710e-01 41 2015 8 1.34648e+00 5.29290e-01 79 2015 9 1.91765e+00 1.11637e+00 106 2015 10 2.08017e+00 5.79073e-01 224 2015 11 1.56758e+00 7.92092e-01 167 2015 12 1.26757e+00 6.60476e-01 96 2016 1 3.87187e+00 1.45054e+00 176 2016 2 5.53004e+00 1.36195e+00 272 2016 3 3.41091e+00 1.12904e+00 237 2016 4 9.51112e+00 1.87024e-01 16 2016 5 1.24275e+00 7.01408e-01 53 2016 6 8.99723e-01 1.00261e+00 128 2016 7 1.86311e+00 5.81948e-01 176 2016 8 3.66332e+00 1.18661e+00 155 2016 9 3.58756e+00 1.06131e+00 228 2016 10 2.97970e+00 1.09440e+00 251 2016 11 1.41848e+00 5.66279e-01 200 2016 12 9.42347e-01 6.76641e-01 176 2017 1 1.44784e+00 1.51766e+00 157 2017 2 3.95456e+00 1.08400e+00 226 2017 3 1.88219e+00 9.73637e-01 177 2017 4 1.54726e+00 9.93505e-01 144 2017 5 1.47285e+00 1.09518e+00 112 2017 6 5.56041e-03 0.00000e+00 7 2017 7 2.25219e+00 1.36707e+00 60 2017 8 2.89422e+00 1.20901e+00 80 2017 9 2.78939e+00 1.54185e+00 193 2017 10 2.83415e+00 7.67963e-01 274 2017 11 1.32978e+00 5.37089e-01 279 2017 12 1.11333e+00 4.21069e-01 178 2018 1 9.78831e-01 5.20707e-01 247 2018 2 1.17039e+00 3.10905e-01 126 2018 3 2.50127e+00 4.22041e-01 112 2018 4 1.45437e+00 6.43431e-01 123 2018 5 2.12453e+00 1.37508e+00 73 2018 6 3.54408e+00 8.67741e-01 80 2018 7 1.12720e+00 1.11489e+00 67 2018 8 6.27109e+00 8.81589e-01 48 2018 9 4.95008e+00 1.59928e+00 169 2018 10 4.72757e+00 7.02984e-01 352 2018 11 3.84463e+00 5.49930e-01 98 2018 12 6.15025e+00 2.48418e+00 80 2019 1 7.71433e+00 1.23475e+00 74 2019 2 5.13545e+00 1.59005e-01 16 2019 3 4.89383e+00 1.08515e+00 127 2019 4 3.93616e+00 7.22013e-01 80 2019 5 1.03914e+00 1.47301e+00 193 2019 6 1.14367e+00 1.06451e+00 32 2019 7 5.01191e-01 1.40876e+00 96 2019 8 8.23271e-01 1.48814e+00 141 2019 9 1.52615e+00 1.00857e+00 219 2019 10 2.21716e+00 8.88590e-01 166 2019 11 1.42704e+00 4.72367e-01 116 2019 12 1.73104e+00 9.31625e-01 94 2020 1 1.25177e+00 6.04349e-01 121 2020 2 1.34188e+00 8.67087e-01 176 2020 3 1.97085e+00 7.06572e-01 80 2020 4 1.66879e+00 9.16393e-01 73 2020 5 1.29261e+00 4.32916e-01 112 2020 6 5.02274e+00 7.83358e-02 16 2020 7 1.57140e+00 5.45092e-01 54 2020 8 1.31402e+00 1.03891e+00 80 2020 9 4.81139e+00 1.95427e+00 53 2020 10 5.09330e+00 9.95300e-01 152 2020 11 3.19391e+00 1.06892e+00 112 2020 12 2.17029e+00 5.27184e-01 128 2021 1 4.59376e+00 1.46728e+00 64 2021 2 5.34169e+00 7.69918e-01 107 2021 3 4.39272e+00 1.09693e+00 88 2021 4 1.66351e+00 1.76696e+00 86 2021 5 1.44935e+00 1.06606e+00 77 2021 6 1.43900e+00 4.16774e-01 45 2021 7 2.37468e+00 8.58253e-01 28 2021 8 5.03656e+00 1.15950e+00 64 2021 9 6.61691e+00 8.24814e-01 127 2021 10 5.88177e+00 1.57040e+00 55 2021 11 3.61665e+00 5.39360e-01 101 2021 12 1.75525e+00 8.87086e-01 72 2022 1 3.41922e+00 1.32329e+00 173 2022 2 1.89423e+00 6.67468e-01 128 2022 3 3.99928e+00 2.14620e+00 186 2022 4 6.62467e+00 2.15775e-01 16 2022 5 3.06678e+00 1.03323e+00 48 2022 6 8.06060e-01 1.31454e+00 114 2022 7 7.89697e-01 7.65208e-01 92 2022 8 8.89524e-01 1.55339e+00 96 2022 9 3.18316e+00 6.78176e-01 78 2022 10 2.33649e+00 8.99583e-01 300 2022 11 1.43726e+00 7.53322e-01 132 2022 12 1.50112e+00 8.58119e-01 224 2023 1 1.56183e+00 6.47904e-01 224 2023 2 3.12432e+00 9.30375e-01 160 2023 3 3.80950e+00 1.13816e+00 144 2023 4 9.40876e-01 1.81147e-01 48 2023 5 6.39893e-01 1.13316e+00 101 2023 6 2.16590e+00 9.18855e-01 63 2023 7 1.50585e+00 5.62904e-01 48 2023 8 7.48540e-01 1.10867e+00 128 2023 9 4.11639e+00 7.99137e-01 92 2023 10 2.93599e+00 8.75369e-01 218 2023 11 2.09209e+00 1.15105e+00 183 2023 12 7.27944e+00 1.38701e-01 7 2024 1 7.93176e+00 5.05915e-01 10 2024 2 4.54137e+00 9.29381e-01 95 2024 3 3.63922e+00 1.03844e+00 95 2024 4 nan nan 0