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 3.00016e+00 1.21148e+00 257 2002 8 8.47669e+00 1.40650e+01 405 2002 9 3.10617e+00 2.53167e+00 325 2002 10 2.03666e+00 9.17963e-01 105 2002 11 2.73921e+00 8.07688e-01 88 2002 12 6.29251e-01 1.41519e-01 95 2003 1 3.30305e-01 1.68674e-01 18 2003 2 5.97951e-01 1.76887e-01 125 2003 3 5.46957e-01 1.66743e-01 89 2003 4 1.41720e+00 3.31865e-01 245 2003 5 1.93991e+00 7.96093e-01 177 2003 6 6.67133e+00 8.47637e+00 133 2003 7 2.41760e+00 5.31093e-01 180 2003 8 2.40757e+00 2.28873e+00 459 2003 9 2.92993e+00 1.17237e+00 325 2003 10 4.47019e+00 1.12358e+01 158 2003 11 1.47836e+00 8.72133e-01 236 2003 12 9.71920e-01 3.71714e-01 285 2004 1 5.03043e-01 2.60100e-01 101 2004 2 5.15067e-01 1.58082e-01 177 2004 3 1.41386e+00 5.40975e-01 117 2004 4 2.37415e+00 1.78947e+00 227 2004 5 5.62859e+00 4.21048e+00 187 2004 6 3.67844e+00 1.47952e+00 70 2004 7 2.72674e+00 6.82566e-01 93 2004 8 9.61959e+00 1.94365e+01 175 2004 9 2.43526e+00 1.08124e+00 400 2004 10 2.83984e+00 9.79165e-01 191 2004 11 2.40273e+00 7.80839e-01 68 2004 12 6.97793e-01 3.20407e-01 108 2005 1 2.52166e+00 1.67964e-01 21 2005 2 5.50880e-01 2.68581e-01 72 2005 3 5.32137e-01 1.36958e-01 102 2005 4 1.70273e+00 6.62301e-01 314 2005 5 2.78145e+00 1.82528e+00 207 2005 6 1.54033e+00 5.07418e-01 41 2005 7 3.25853e+00 1.43668e+00 262 2005 8 2.93354e+00 1.40306e+00 193 2005 9 3.01613e+00 2.99577e+00 497 2005 10 2.33888e+00 5.96502e-01 247 2005 11 9.63417e-01 5.94725e-01 135 2005 12 4.27231e-01 9.49561e-02 112 2006 1 8.81957e-01 2.12317e-01 202 2006 2 9.93583e-01 1.63372e-01 154 2006 3 9.81167e-01 3.25574e-01 334 2006 4 1.63720e+00 7.58800e-01 262 2006 5 3.19414e+00 1.37765e+00 241 2006 6 5.55629e+00 7.55756e+00 237 2006 7 2.74225e+00 1.00274e+00 62 2006 8 6.52742e+00 1.16530e+01 325 2006 9 1.45959e+00 3.27950e-02 10 2006 10 2.43451e+00 9.57645e-01 146 2006 11 9.60477e-01 1.75198e-01 24 2006 12 1.08734e+00 3.71444e-01 96 2007 1 3.23633e-01 1.36899e-01 86 2007 2 3.25625e-01 1.06965e-01 203 2007 3 9.20712e-01 5.58498e-01 240 2007 4 1.34536e+00 2.68645e-01 181 2007 5 8.52245e+00 1.40639e+01 218 2007 6 9.36892e+00 1.36321e+01 245 2007 7 3.04014e+00 2.61513e+00 127 2007 8 3.03808e+00 2.04134e+00 279 2007 9 6.96369e+00 1.54940e+01 422 2007 10 3.81087e+00 1.60868e+00 64 2007 11 2.63289e+00 1.53388e+00 51 2007 12 nan nan 0 2008 1 3.11100e-01 5.78219e-02 69 2008 2 5.27279e-01 1.74042e-01 116 2008 3 6.62627e-01 2.39370e-01 263 2008 4 1.76658e+00 7.56710e-01 302 2008 5 2.74674e+00 1.46734e+00 209 2008 6 1.97298e+00 2.34186e-01 38 2008 7 3.13727e+00 1.65922e+00 169 2008 8 7.20376e+00 1.19036e+01 266 2008 9 4.20010e+00 3.48865e+00 272 2008 10 6.59938e+00 1.33090e+01 280 2008 11 5.53572e-01 1.57243e-01 119 2008 12 nan nan 0 2009 1 2.92025e-01 5.99142e-02 96 2009 2 4.46441e-01 1.99074e-01 195 2009 3 1.29730e+00 5.94774e-01 447 2009 4 1.78999e+00 1.29062e+00 283 2009 5 4.07516e+00 3.53004e+00 241 2009 6 2.98166e+00 1.96374e+00 198 2009 7 4.05573e+00 3.02816e+00 70 2009 8 2.82512e+00 1.02544e+00 184 2009 9 4.21177e+00 3.26642e+00 496 2009 10 1.86261e+00 8.11157e-01 80 2009 11 3.16545e+00 3.20280e+00 262 2009 12 1.04537e+00 5.86812e-01 103 2010 1 3.40632e-01 1.43538e-01 177 2010 2 7.90796e-01 4.10522e-01 144 2010 3 1.23098e+00 8.17933e-01 395 2010 4 1.70226e+00 8.91448e-01 322 2010 5 2.66350e+00 1.95195e+00 206 2010 6 1.94777e+00 5.59894e-01 118 2010 7 2.14285e+00 6.12384e-01 256 2010 8 3.65598e+00 4.18165e+00 292 2010 9 1.87927e+00 1.17558e+00 141 2010 10 1.07911e+01 1.94534e+01 168 2010 11 1.20232e+00 5.01750e-01 126 2010 12 1.51426e+00 2.52254e-01 38 2011 1 3.01542e-01 7.32097e-02 56 2011 2 7.41082e-01 3.59295e-01 122 2011 3 8.03891e-01 3.52883e-01 298 2011 4 2.30854e+00 4.55914e-01 75 2011 5 2.35079e+00 7.40013e-01 187 2011 6 6.96898e+00 6.44011e+00 196 2011 7 2.19465e+00 4.74435e-01 294 2011 8 5.13568e+00 9.44636e+00 233 2011 9 2.52746e+00 1.26235e+00 274 2011 10 4.15087e+00 4.97432e+00 225 2011 11 3.71994e+00 8.46578e+00 198 2011 12 4.81894e-01 1.12021e-01 190 2012 1 5.64023e-01 2.80841e-01 114 2012 2 6.65729e-01 2.52792e-01 219 2012 3 4.76390e+00 1.05377e+01 297 2012 4 2.43986e+00 1.11453e+00 363 2012 5 5.88487e+00 1.06311e+01 145 2012 6 1.93049e+00 6.53611e-01 294 2012 7 2.32216e+00 7.15449e-01 183 2012 8 2.48325e+00 6.33600e-01 351 2012 9 3.35678e+00 2.61655e+00 308 2012 10 1.73192e+00 6.39694e-01 147 2012 11 1.91255e+00 1.48889e+00 149 2012 12 6.46241e-01 5.11183e-01 87 2013 1 1.52278e+00 2.83557e+00 126 2013 2 4.98542e-01 4.76104e-01 168 2013 3 9.14573e-01 2.80245e-01 141 2013 4 1.20558e+00 3.03603e-01 168 2013 5 6.47771e+00 9.56900e+00 185 2013 6 5.15597e+00 4.82344e+00 145 2013 7 4.02008e+00 2.43336e+00 185 2013 8 4.00405e+00 1.64373e+00 336 2013 9 2.40077e+00 5.51302e-01 436 2013 10 1.89140e+00 5.63636e-01 295 2013 11 8.86180e-01 3.71699e-01 174 2013 12 6.28406e-01 2.12175e-01 78 2014 1 2.86785e-01 1.83604e-02 47 2014 2 3.86914e-01 7.75203e-02 129 2014 3 6.84695e-01 2.62546e-01 387 2014 4 1.36314e+00 4.97127e-01 217 2014 5 1.95283e+00 1.30714e+00 123 2014 6 2.67915e+00 2.60380e+00 122 2014 7 3.60595e+00 3.95324e+00 140 2014 8 8.06864e+00 9.29564e+00 201 2014 9 6.84609e+00 7.55119e+00 264 2014 10 2.75877e+00 1.00786e+00 144 2014 11 3.32940e+00 1.16888e+00 60 2014 12 2.44292e+00 5.37710e+00 80 2015 1 6.27027e-01 4.77891e-01 143 2015 2 4.50087e-01 2.01711e-01 17 2015 3 8.68534e-01 4.57667e-01 348 2015 4 1.63708e+00 4.44322e-01 271 2015 5 1.10643e+00 5.00942e-01 174 2015 6 2.10897e+00 1.00826e+00 111 2015 7 1.85949e+00 5.16608e-01 184 2015 8 3.57691e+00 3.30980e+00 205 2015 9 7.48193e+00 7.73871e+00 279 2015 10 2.71862e+00 9.98938e-01 236 2015 11 1.35914e+00 5.71088e-01 394 2015 12 5.85808e-01 2.68774e-01 63 2016 1 4.04781e-01 3.95670e-02 17 2016 2 4.91970e-01 2.14928e-01 163 2016 3 9.27385e-01 4.43852e-01 167 2016 4 6.25056e+00 1.66689e+01 214 2016 5 1.99841e+00 7.59502e-01 218 2016 6 1.80964e+00 3.69611e-01 242 2016 7 1.44630e+00 7.77470e-01 148 2016 8 3.20324e+00 1.56318e+00 393 2016 9 3.16300e+00 2.17431e+00 459 2016 10 2.58985e+00 8.12543e-01 457 2016 11 3.96893e+00 6.05142e+00 307 2016 12 4.10325e-01 1.24943e-01 16 2017 1 4.15368e-01 8.62362e-02 96 2017 2 6.94676e-01 2.29461e-01 134 2017 3 1.01792e+00 2.84633e-01 143 2017 4 1.27553e+00 4.57154e-01 117 2017 5 2.32250e+00 1.80593e+00 97 2017 6 1.62109e+00 5.34471e-01 139 2017 7 1.70706e+00 1.06230e+00 220 2017 8 4.50173e+00 1.89492e+00 102 2017 9 3.23248e+00 1.94580e+00 284 2017 10 3.30699e+00 2.20498e+00 238 2017 11 2.41183e+00 2.13341e+00 173 2017 12 4.59776e-01 6.05196e-02 43 2018 1 3.79676e-01 1.60042e-01 108 2018 2 8.38260e-01 5.20998e-01 211 2018 3 9.72126e-01 2.91241e-01 295 2018 4 1.21720e+00 2.66733e-01 194 2018 5 3.75070e+00 5.41744e+00 240 2018 6 2.46082e+00 1.55259e+00 249 2018 7 1.82792e+00 8.11689e-01 293 2018 8 3.05859e+00 1.39639e+00 134 2018 9 1.84509e+00 4.29494e-01 250 2018 10 1.51256e+00 2.75135e-01 207 2018 11 1.25306e+00 4.22432e-01 60 2018 12 7.51472e-01 3.57907e-01 54 2019 1 9.33795e-01 3.13865e+00 108 2019 2 4.90325e-01 3.13956e-02 4 2019 3 7.77172e-01 2.37721e-01 240 2019 4 1.25902e+00 4.07510e-01 142 2019 5 1.99705e+00 7.04661e-01 145 2019 6 2.62182e+00 8.94552e-01 227 2019 7 1.80052e+00 1.36383e+00 242 2019 8 3.32115e+00 3.11756e+00 226 2019 9 2.51937e+00 6.22207e-01 206 2019 10 2.01694e+00 8.54234e-01 352 2019 11 nan nan 0 2019 12 2.86261e-01 2.49620e-02 51 2020 1 nan nan 0 2020 2 7.70961e-01 3.01874e-01 121 2020 3 1.19786e+00 3.80159e-01 231 2020 4 1.67722e+00 1.26829e+00 216 2020 5 4.22897e+00 5.87891e+00 285 2020 6 2.66720e+00 1.27126e+00 351 2020 7 1.79898e+00 5.36937e-01 215 2020 8 2.95737e+00 7.31470e-01 136 2020 9 4.10573e+00 1.83644e+00 147 2020 10 3.11596e+00 3.19524e+00 228 2020 11 4.13979e+00 6.92038e+00 238 2020 12 1.12406e+00 4.71922e-01 79 2021 1 6.83638e-01 3.31208e-01 97 2021 2 6.73310e-01 3.22686e-01 153 2021 3 1.57732e+00 1.47764e+00 459 2021 4 1.05136e+00 4.60016e-01 227 2021 5 1.66869e+00 4.33325e-01 202 2021 6 3.75768e+00 9.99785e-01 51 2021 7 3.46426e+00 1.27264e+00 88 2021 8 7.33135e+00 1.49559e+01 271 2021 9 3.04803e+00 1.18258e+00 311 2021 10 2.61286e+00 8.00971e-01 144 2021 11 2.35333e+00 1.75541e+00 165 2021 12 1.25486e+00 2.16546e-01 49 2022 1 4.57860e-01 2.12213e-01 113 2022 2 4.20205e-01 8.82646e-02 98 2022 3 9.03035e-01 2.47588e-01 182 2022 4 1.55080e+00 8.54379e-01 77 2022 5 3.26775e+00 2.58507e+00 195 2022 6 2.39735e+00 1.37641e+00 241 2022 7 9.07591e-01 2.33210e-01 68 2022 8 3.03842e+00 1.61272e+00 220 2022 9 2.73182e+00 1.10429e+00 285 2022 10 7.27975e+00 1.58299e+01 528 2022 11 1.43042e+00 1.55110e+00 354 2022 12 5.63644e-01 3.52361e-01 104 2023 1 1.31886e-01 1.09036e-02 18 2023 2 5.84168e-01 3.26935e-01 264 2023 3 9.89287e-01 7.90247e-01 376 2023 4 9.95936e-01 5.60281e-01 332 2023 5 3.88022e+00 4.20507e+00 366 2023 6 1.69767e+00 7.18116e-01 85 2023 7 2.77553e+00 2.61093e+00 260 2023 8 4.36018e+00 5.66929e+00 435 2023 9 3.83134e+00 3.50745e+00 566 2023 10 2.87948e+00 2.71515e+00 335 2023 11 1.45542e+00 6.64308e-01 131 2023 12 2.25212e-01 0.00000e+00 1 2024 1 4.26141e-01 5.66323e-01 68 2024 2 1.07216e+00 1.64606e+00 451 2024 3 1.21575e+00 7.47437e-01 347 2024 4 1.05599e+00 2.78638e-01 60