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 7.16702e-01 6.34053e-01 257 2002 8 2.32394e-01 3.39488e-01 377 2002 9 1.96422e-01 1.50979e-01 321 2002 10 1.25600e+00 8.33937e-01 105 2002 11 2.76952e-01 2.48550e-01 88 2002 12 4.62122e+00 2.08879e+00 95 2003 1 7.67112e+00 1.63893e+00 18 2003 2 6.27866e+00 1.46647e+00 125 2003 3 6.98993e+00 1.82030e+00 89 2003 4 2.15596e+00 1.51791e+00 245 2003 5 1.46343e+00 1.44626e+00 177 2003 6 3.73146e-01 3.98323e-01 125 2003 7 7.92004e-01 6.85941e-01 180 2003 8 1.49169e+00 1.31151e+00 454 2003 9 4.27484e-01 4.43922e-01 325 2003 10 1.47382e+00 1.61235e+00 152 2003 11 2.57691e+00 2.07593e+00 236 2003 12 3.37886e+00 2.11844e+00 285 2004 1 5.43918e+00 2.13994e+00 101 2004 2 6.28918e+00 2.20485e+00 177 2004 3 2.14916e+00 2.16240e+00 117 2004 4 1.35493e+00 1.47403e+00 227 2004 5 3.63541e-01 7.45338e-01 187 2004 6 6.06220e-01 7.92395e-01 70 2004 7 4.93324e-01 3.87764e-01 93 2004 8 2.49237e+00 2.40288e+00 153 2004 9 4.74483e-01 4.74999e-01 400 2004 10 2.09363e-01 1.64053e-01 191 2004 11 4.96477e-01 6.68917e-01 68 2004 12 4.51759e+00 2.32028e+00 108 2005 1 2.58885e-09 7.92533e-09 21 2005 2 6.16321e+00 2.89788e+00 72 2005 3 6.32571e+00 1.08108e+00 102 2005 4 1.69628e+00 1.28092e+00 314 2005 5 1.43215e+00 1.64624e+00 207 2005 6 2.82733e+00 1.38833e+00 41 2005 7 6.03528e-01 6.45358e-01 262 2005 8 6.60081e-01 7.73490e-01 193 2005 9 6.55164e-01 5.16774e-01 497 2005 10 6.34288e-01 6.10005e-01 247 2005 11 3.69649e+00 2.31656e+00 135 2005 12 6.30683e+00 2.08444e+00 112 2006 1 4.21569e+00 1.28422e+00 202 2006 2 3.91849e+00 1.28016e+00 154 2006 3 4.66562e+00 2.33931e+00 334 2006 4 2.38251e+00 1.77226e+00 262 2006 5 5.21896e-01 6.48161e-01 241 2006 6 7.12616e-01 4.69805e-01 233 2006 7 6.71109e-01 9.29277e-01 62 2006 8 3.47804e-01 3.06154e-01 310 2006 9 2.09208e+00 6.99284e-02 10 2006 10 9.57539e-01 1.30908e+00 146 2006 11 8.83160e-01 7.36681e-01 24 2006 12 3.04916e+00 1.58588e+00 96 2007 1 8.80276e+00 2.24998e+00 86 2007 2 9.52461e+00 1.83481e+00 203 2007 3 5.64002e+00 3.56274e+00 240 2007 4 2.66729e+00 1.17464e+00 181 2007 5 1.19620e+00 1.37265e+00 194 2007 6 1.77456e-01 2.74500e-01 231 2007 7 1.58478e+00 1.14047e+00 127 2007 8 6.07318e-01 6.54745e-01 277 2007 9 2.53551e-01 2.77637e-01 407 2007 10 5.61626e-01 1.07180e+00 64 2007 11 2.94028e+00 4.71845e+00 51 2007 12 nan nan 0 2008 1 8.97885e+00 1.54004e+00 69 2008 2 6.38421e+00 2.52349e+00 116 2008 3 6.93410e+00 1.70421e+00 263 2008 4 2.21005e+00 1.86646e+00 302 2008 5 1.08532e+00 1.76368e+00 209 2008 6 1.10046e+00 3.81947e-01 38 2008 7 8.88218e-01 1.10346e+00 169 2008 8 2.45384e-01 5.81442e-01 251 2008 9 2.30281e-01 3.19670e-01 272 2008 10 5.22282e-01 9.98780e-01 272 2008 11 5.96375e+00 1.77688e+00 119 2008 12 nan nan 0 2009 1 9.01323e+00 1.99400e+00 96 2009 2 8.00376e+00 1.95023e+00 195 2009 3 2.98095e+00 1.83232e+00 447 2009 4 2.45534e+00 1.69445e+00 283 2009 5 1.04441e+00 1.64528e+00 228 2009 6 9.67515e-01 9.36571e-01 198 2009 7 1.46042e+00 1.34625e+00 70 2009 8 5.76444e-01 5.50953e-01 184 2009 9 2.16505e-01 3.23008e-01 495 2009 10 1.27658e+00 1.41412e+00 80 2009 11 1.01406e+00 1.20671e+00 260 2009 12 2.84211e+00 1.77609e+00 103 2010 1 7.80757e+00 2.15772e+00 177 2010 2 5.65239e+00 2.92674e+00 144 2010 3 4.38806e+00 3.33942e+00 395 2010 4 1.74438e+00 1.54481e+00 320 2010 5 1.51070e+00 1.77064e+00 205 2010 6 1.26998e+00 8.47206e-01 118 2010 7 1.04182e+00 6.63224e-01 256 2010 8 6.76003e-01 7.41555e-01 292 2010 9 2.20011e+00 1.62299e+00 141 2010 10 7.90970e-01 9.95940e-01 151 2010 11 1.19918e+00 9.26298e-01 126 2010 12 9.71584e-01 4.08281e-01 38 2011 1 8.01435e+00 1.61165e+00 56 2011 2 5.85620e+00 2.66458e+00 122 2011 3 6.15168e+00 2.49338e+00 298 2011 4 2.80261e-01 6.85799e-01 75 2011 5 9.66763e-01 1.01287e+00 187 2011 6 6.26037e-01 1.16130e+00 193 2011 7 8.98808e-01 6.44854e-01 294 2011 8 7.48914e-01 6.93128e-01 217 2011 9 6.84229e-01 6.57356e-01 274 2011 10 6.93929e-01 6.94916e-01 227 2011 11 1.64542e+00 1.61211e+00 194 2011 12 4.17891e+00 1.71791e+00 190 2012 1 5.69156e+00 2.40639e+00 114 2012 2 6.25736e+00 2.09976e+00 219 2012 3 3.52649e+00 2.20391e+00 273 2012 4 7.01762e-01 8.11816e-01 363 2012 5 1.03555e+00 1.40483e+00 136 2012 6 1.70642e+00 1.37780e+00 294 2012 7 1.17207e+00 1.07660e+00 183 2012 8 4.75933e-01 4.45680e-01 351 2012 9 2.54441e-01 1.97118e-01 303 2012 10 1.29073e+00 9.08116e-01 147 2012 11 1.48678e+00 1.37001e+00 149 2012 12 6.20269e+00 3.74910e+00 87 2013 1 6.90882e+00 4.24364e+00 124 2013 2 8.88261e+00 4.07689e+00 168 2013 3 5.51939e+00 2.38010e+00 141 2013 4 3.17640e+00 2.44528e+00 168 2013 5 3.67249e-01 6.66792e-01 173 2013 6 1.18621e+00 1.25224e+00 145 2013 7 4.24078e-01 3.50023e-01 185 2013 8 3.39956e-01 5.28000e-01 336 2013 9 3.76068e-01 2.62591e-01 436 2013 10 9.68326e-01 6.24655e-01 295 2013 11 4.29974e+00 2.20827e+00 174 2013 12 6.16623e+00 1.79233e+00 78 2014 1 7.68259e+00 7.31410e-01 47 2014 2 8.97124e+00 1.45489e+00 129 2014 3 6.17966e+00 1.97824e+00 387 2014 4 3.13489e+00 2.05716e+00 217 2014 5 2.78788e+00 2.85415e+00 123 2014 6 2.78328e+00 2.19537e+00 122 2014 7 1.14285e+00 1.12234e+00 136 2014 8 3.54013e-01 8.14734e-01 191 2014 9 2.46695e-01 5.14230e-01 253 2014 10 5.16559e-01 4.63750e-01 144 2014 11 1.32774e+00 3.78358e+00 60 2014 12 6.03135e+00 3.28554e+00 79 2015 1 7.91833e+00 4.76892e+00 143 2015 2 7.34436e+00 3.10376e+00 17 2015 3 5.58774e+00 3.17131e+00 348 2015 4 2.14189e+00 1.56160e+00 271 2015 5 5.34062e+00 3.42085e+00 174 2015 6 1.98714e+00 2.27780e+00 111 2015 7 1.59393e+00 1.30659e+00 184 2015 8 1.02591e+00 1.12426e+00 201 2015 9 2.00614e-01 3.91323e-01 275 2015 10 3.68350e-01 4.66787e-01 236 2015 11 2.07096e+00 1.31995e+00 394 2015 12 6.46331e+00 1.81340e+00 63 2016 1 6.55852e+00 7.21170e-01 17 2016 2 9.29103e+00 2.92494e+00 163 2016 3 5.00629e+00 2.75144e+00 167 2016 4 3.31188e+00 3.05300e+00 196 2016 5 1.50875e+00 1.16469e+00 218 2016 6 1.60539e+00 1.06508e+00 242 2016 7 3.51225e+00 2.56932e+00 148 2016 8 6.78888e-01 7.82607e-01 393 2016 9 4.81989e-01 5.34882e-01 456 2016 10 5.46090e-01 8.83647e-01 457 2016 11 6.40289e-01 7.68609e-01 303 2016 12 5.29303e+00 1.46464e+00 16 2017 1 7.70401e+00 1.79953e+00 96 2017 2 6.56566e+00 2.75258e+00 134 2017 3 4.13968e+00 2.30557e+00 143 2017 4 3.06238e+00 2.23937e+00 114 2017 5 3.32335e+00 2.88730e+00 97 2017 6 2.35979e+00 2.04781e+00 139 2017 7 2.88440e+00 1.87779e+00 220 2017 8 2.33800e-01 2.80939e-01 102 2017 9 2.53339e-01 2.41306e-01 284 2017 10 3.47539e-01 4.28742e-01 238 2017 11 1.12178e+00 8.95056e-01 173 2017 12 6.05659e+00 1.19323e+00 43 2018 1 9.63103e+00 2.18796e+00 108 2018 2 5.72158e+00 3.36950e+00 211 2018 3 4.64540e+00 2.07719e+00 295 2018 4 3.05152e+00 1.75170e+00 194 2018 5 1.57921e+00 1.72960e+00 233 2018 6 1.78127e+00 1.71675e+00 249 2018 7 1.87086e+00 1.24363e+00 293 2018 8 2.94552e-01 2.80914e-01 134 2018 9 7.17806e-01 3.80845e-01 250 2018 10 1.38971e+00 5.52988e-01 207 2018 11 2.45826e+00 2.12121e+00 60 2018 12 3.22659e+00 2.87493e+00 54 2019 1 6.34641e+00 3.51778e+00 107 2019 2 5.23937e+00 4.10101e-01 4 2019 3 6.45587e+00 3.25149e+00 240 2019 4 3.53024e+00 2.01035e+00 142 2019 5 1.46206e+00 1.19013e+00 145 2019 6 7.19960e-01 6.90892e-01 227 2019 7 2.66984e+00 1.55858e+00 242 2019 8 8.05697e-01 9.29186e-01 219 2019 9 2.02816e-01 1.26764e-01 206 2019 10 5.52408e-01 3.66845e-01 352 2019 11 nan nan 0 2019 12 1.04152e+01 1.09949e+00 51 2020 1 nan nan 0 2020 2 5.47742e+00 2.38135e+00 121 2020 3 2.94821e+00 1.69702e+00 231 2020 4 2.75706e+00 2.91684e+00 213 2020 5 1.77569e+00 1.72325e+00 272 2020 6 8.55720e-01 1.11824e+00 351 2020 7 1.80272e+00 1.32069e+00 215 2020 8 3.08731e-01 2.77455e-01 136 2020 9 1.18328e-01 1.60787e-01 147 2020 10 9.39169e-01 1.05458e+00 228 2020 11 8.09974e-01 1.57297e+00 234 2020 12 2.49015e+00 1.86223e+00 79 2021 1 5.94997e+00 2.91521e+00 97 2021 2 6.82742e+00 3.68951e+00 153 2021 3 3.04683e+00 3.26228e+00 455 2021 4 4.84873e+00 4.59448e+00 227 2021 5 1.77268e+00 9.54701e-01 202 2021 6 1.98693e-01 4.39910e-01 51 2021 7 5.67429e-01 1.10191e+00 88 2021 8 4.81310e-01 5.44884e-01 253 2021 9 2.67661e-01 2.32535e-01 311 2021 10 5.78028e-01 9.02165e-01 144 2021 11 9.43413e-01 8.52542e-01 165 2021 12 1.92308e+00 7.30776e-01 49 2022 1 7.01528e+00 2.92775e+00 113 2022 2 7.37776e+00 1.21050e+00 98 2022 3 5.34595e+00 2.37055e+00 182 2022 4 3.48000e+00 4.10497e+00 77 2022 5 1.03841e+00 1.47081e+00 195 2022 6 1.45905e+00 1.23419e+00 241 2022 7 7.61241e+00 2.56991e+00 68 2022 8 7.66795e-01 1.07385e+00 220 2022 9 2.39078e-01 1.52817e-01 285 2022 10 2.71937e-01 2.94858e-01 501 2022 11 3.78390e+00 3.30638e+00 354 2022 12 6.86204e+00 2.71255e+00 104 2023 1 1.45182e+01 2.61006e+00 18 2023 2 8.40343e+00 4.19283e+00 264 2023 3 5.52987e+00 3.62367e+00 376 2023 4 5.01844e+00 2.46210e+00 332 2023 5 1.87983e+00 3.01807e+00 366 2023 6 2.49064e+00 1.63299e+00 85 2023 7 1.23494e+00 1.09348e+00 258 2023 8 9.30425e-01 1.00645e+00 415 2023 9 4.64236e-01 7.29317e-01 563 2023 10 5.65004e-01 8.94754e-01 328 2023 11 1.63633e+00 1.57161e+00 131 2023 12 1.20272e+01 0.00000e+00 1 2024 1 1.14668e+01 1.04823e+01 68 2024 2 4.46057e+00 2.73713e+00 447 2024 3 3.83550e+00 2.95925e+00 347 2024 4 4.78575e+00 1.68312e+00 60