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 -3.38798e-04 1.23197e-02 73 2002 8 8.38378e-03 1.63019e-04 28 2002 9 1.10858e-02 1.45056e-03 169 2002 10 8.76070e-03 9.90234e-03 304 2002 11 8.10078e-03 1.45949e-02 281 2002 12 8.22932e-03 1.24996e-02 427 2003 1 1.05075e-04 3.83406e-02 557 2003 2 8.38221e-03 4.54205e-03 232 2003 3 3.36532e-03 3.52105e-02 458 2003 4 6.62960e-03 6.46989e-04 54 2003 5 6.51253e-03 4.93039e-05 13 2003 6 1.40561e-02 6.26140e-03 157 2003 7 1.69618e-02 6.68387e-04 57 2003 8 1.07138e-02 2.84461e-03 102 2003 9 9.62421e-03 9.30350e-03 237 2003 10 8.46028e-03 7.61008e-03 300 2003 11 1.01713e-02 1.94303e-03 176 2003 12 8.61116e-03 1.78307e-02 453 2004 1 9.10367e-03 3.25208e-03 671 2004 2 4.60586e-03 3.70063e-02 244 2004 3 9.21481e-03 1.70593e-03 189 2004 4 8.13825e-03 1.18342e-03 154 2004 5 -2.23517e-02 8.12793e-02 25 2004 6 8.43097e-03 1.55925e-04 38 2004 7 2.35005e-02 1.67649e-02 90 2004 8 -1.76835e-02 3.07199e-02 128 2004 9 1.13695e-02 1.31773e-03 231 2004 10 9.42856e-03 6.68247e-03 398 2004 11 6.36174e-03 1.51850e-02 504 2004 12 8.71039e-03 1.38013e-02 484 2005 1 1.07642e-02 1.04598e-02 362 2005 2 9.68431e-03 1.36356e-03 582 2005 3 6.49564e-03 7.11024e-03 396 2005 4 7.30896e-03 2.58216e-03 153 2005 5 6.15766e-03 7.70199e-03 163 2005 6 3.98843e-03 1.34741e-02 41 2005 7 1.17252e-02 4.90373e-04 58 2005 8 2.39819e-03 9.83418e-03 94 2005 9 4.66085e-03 9.86946e-03 186 2005 10 5.26276e-03 8.96537e-03 60 2005 11 9.96949e-03 1.82658e-03 329 2005 12 1.12000e-02 1.26316e-03 485 2006 1 1.17892e-02 1.10094e-03 358 2006 2 8.92542e-03 3.48488e-03 245 2006 3 -3.72078e-04 3.71959e-02 369 2006 4 8.10494e-03 3.87808e-02 375 2006 5 4.35082e-03 1.39018e-02 279 2006 6 6.51400e-03 0.00000e+00 2 2006 7 6.42217e-03 6.64991e-03 230 2006 8 -9.60345e-03 5.81718e-02 128 2006 9 -3.22276e-03 1.57773e-02 206 2006 10 9.94738e-03 1.88029e-03 280 2006 11 3.19354e-03 4.08521e-02 424 2006 12 1.12732e-02 2.17566e-03 377 2007 1 1.38536e-02 3.20641e-03 440 2007 2 9.38260e-03 6.85443e-03 681 2007 3 8.71719e-03 1.18260e-03 186 2007 4 1.58465e-03 1.68640e-02 223 2007 5 6.90225e-03 4.53896e-04 83 2007 6 6.70710e-03 6.21175e-03 169 2007 7 8.69577e-03 1.03379e-04 34 2007 8 1.03642e-02 3.57512e-04 91 2007 9 9.64074e-03 1.47681e-03 267 2007 10 1.55919e-02 1.45667e-03 78 2007 11 1.07880e-02 1.11277e-02 342 2007 12 8.54611e-03 5.52825e-02 327 2008 1 9.23167e-03 1.84712e-02 657 2008 2 7.94340e-03 9.85909e-03 345 2008 3 4.57500e-03 1.09971e-02 182 2008 4 2.32035e-03 1.16513e-02 192 2008 5 8.75122e-03 9.04546e-04 163 2008 6 -1.19784e-03 3.47135e-02 16 2008 7 1.55257e-02 3.33829e-03 90 2008 8 3.25626e-04 2.30258e-02 194 2008 9 1.00439e-02 7.21864e-03 237 2008 10 4.55221e-03 1.54535e-02 363 2008 11 1.00526e-02 4.23314e-03 155 2008 12 1.14211e-02 1.26846e-02 405 2009 1 3.36888e-03 1.72170e-02 535 2009 2 4.20491e-03 1.18437e-02 167 2009 3 1.00173e-02 4.53020e-03 460 2009 4 -2.26541e-02 7.05878e-02 245 2009 5 9.60603e-03 1.74790e-03 65 2009 6 7.36300e-03 4.07827e-02 21 2009 7 -5.90484e-03 1.62930e-02 13 2009 8 1.05945e-02 1.72466e-04 19 2009 9 8.95302e-03 2.40443e-03 269 2009 10 1.10645e-02 9.54668e-04 251 2009 11 1.20782e-02 3.43823e-03 320 2009 12 1.00596e-02 1.39529e-03 362 2010 1 9.63397e-03 9.33530e-03 359 2010 2 6.38522e-03 1.50648e-02 425 2010 3 8.63632e-03 5.84802e-03 314 2010 4 8.50414e-03 1.27361e-03 129 2010 5 5.68997e-03 5.99819e-03 64 2010 6 9.85757e-03 5.47439e-04 119 2010 7 nan nan 0 2010 8 7.97638e-03 3.04650e-02 301 2010 9 -1.33936e-03 3.42905e-02 204 2010 10 1.33806e-02 2.51221e-03 227 2010 11 1.39660e-02 2.99673e-03 249 2010 12 1.71809e-02 3.82471e-03 340 2011 1 1.46761e-02 6.37813e-03 432 2011 2 2.84545e-03 3.76293e-02 493 2011 3 7.60519e-04 3.68622e-02 510 2011 4 5.70145e-03 1.99084e-02 314 2011 5 7.79967e-03 2.85582e-04 155 2011 6 -2.68868e-02 1.18913e-01 75 2011 7 -2.14759e-02 1.02594e-02 39 2011 8 5.50889e-03 1.49745e-02 76 2011 9 8.38968e-03 7.89894e-03 325 2011 10 1.06194e-02 3.14759e-03 145 2011 11 9.14683e-03 3.30056e-03 332 2011 12 9.31626e-03 9.53967e-04 666 2012 1 5.77281e-03 2.68892e-02 613 2012 2 1.02606e-02 1.54142e-02 228 2012 3 6.51396e-03 1.75393e-02 242 2012 4 8.65133e-03 1.54444e-03 367 2012 5 7.05271e-03 7.56930e-03 312 2012 6 -4.45362e-04 1.83265e-02 125 2012 7 5.15175e-04 1.50586e-02 92 2012 8 1.05579e-02 1.98516e-02 128 2012 9 1.14060e-03 2.36295e-02 210 2012 10 1.19215e-02 2.45528e-03 297 2012 11 8.87142e-03 1.49958e-02 466 2012 12 1.17399e-02 1.43249e-03 532 2013 1 5.04271e-03 2.30523e-02 239 2013 2 6.02172e-03 1.26458e-02 286 2013 3 -4.41942e-03 1.58720e-02 331 2013 4 6.61896e-03 1.80878e-02 217 2013 5 8.58248e-03 1.41971e-03 138 2013 6 nan nan 0 2013 7 8.33004e-03 1.07596e-03 12 2013 8 -3.36999e-02 3.96582e-04 7 2013 9 -6.34246e-06 1.69639e-02 181 2013 10 1.04993e-02 5.97966e-03 92 2013 11 9.17450e-03 1.99161e-02 161 2013 12 3.53559e-03 1.96551e-02 410 2014 1 1.11068e-02 1.31239e-02 408 2014 2 7.69884e-03 1.60269e-02 144 2014 3 8.04259e-03 7.80381e-03 316 2014 4 6.80734e-03 7.04390e-03 309 2014 5 7.67030e-03 1.21251e-03 202 2014 6 9.96696e-03 3.87370e-04 53 2014 7 6.45599e-03 1.19563e-02 111 2014 8 -1.63855e-02 1.65468e-02 9 2014 9 8.00362e-03 1.23680e-02 187 2014 10 1.91987e-03 1.44617e-02 343 2014 11 2.89257e-03 1.72589e-02 233 2014 12 1.71743e-03 1.99471e-02 319 2015 1 8.62284e-03 6.55592e-03 352 2015 2 8.46781e-03 4.38931e-03 178 2015 3 1.31768e-02 4.88544e-03 303 2015 4 6.12290e-03 5.44499e-03 117 2015 5 7.21235e-03 1.52566e-04 64 2015 6 nan nan 0 2015 7 -2.98763e-02 3.51292e-02 58 2015 8 4.25313e-03 2.59924e-02 106 2015 9 1.03110e-02 1.99821e-03 360 2015 10 6.05194e-03 1.64986e-02 364 2015 11 1.10369e-02 2.31088e-03 206 2015 12 1.17313e-02 1.08572e-02 178 2016 1 7.67588e-03 1.21805e-02 653 2016 2 9.52119e-03 6.21909e-03 417 2016 3 8.50011e-03 4.65791e-04 64 2016 4 3.02370e-03 1.08871e-02 307 2016 5 9.78002e-03 2.29035e-04 64 2016 6 1.02521e-02 3.43486e-03 191 2016 7 1.02987e-02 1.32929e-03 64 2016 8 6.22605e-03 1.78063e-02 147 2016 9 4.66907e-03 9.99069e-03 283 2016 10 -8.48737e-03 7.84598e-02 314 2016 11 8.49895e-03 1.61854e-02 210 2016 12 8.61313e-03 3.93882e-02 239 2017 1 1.25685e-02 1.00062e-02 612 2017 2 8.71220e-03 9.82223e-03 367 2017 3 7.70882e-03 7.28185e-03 145 2017 4 4.65558e-03 1.51126e-02 284 2017 5 1.06658e-02 2.64806e-03 260 2017 6 7.84898e-03 1.32747e-02 248 2017 7 4.58697e-04 2.87436e-02 202 2017 8 -2.70133e-02 5.11203e-02 177 2017 9 -2.55739e-03 3.65956e-02 166 2017 10 -1.11266e-02 2.45295e-02 124 2017 11 7.96790e-03 4.12280e-02 284 2017 12 1.20908e-02 5.53545e-03 548 2018 1 9.18285e-03 8.87567e-03 157 2018 2 9.97659e-03 9.87702e-03 199 2018 3 1.23370e-02 2.44001e-03 366 2018 4 6.70933e-03 4.04010e-03 297 2018 5 8.85742e-03 1.12288e-03 227 2018 6 4.01773e-03 2.55679e-02 89 2018 7 8.99404e-03 8.02890e-04 5 2018 8 7.74407e-03 1.88467e-02 89 2018 9 1.05486e-02 3.24967e-02 107 2018 10 7.52727e-03 1.35375e-02 280 2018 11 -5.13994e-03 4.66332e-02 419 2018 12 -7.23821e-03 2.39198e-02 332 2019 1 1.28842e-02 6.84330e-03 329 2019 2 3.40977e-03 1.56655e-02 224 2019 3 7.65897e-04 1.59235e-02 217 2019 4 7.10758e-03 5.54842e-03 272 2019 5 -2.14945e-02 7.24227e-03 34 2019 6 6.38928e-03 1.15337e-02 82 2019 7 1.29357e-02 1.77672e-02 115 2019 8 7.80132e-03 6.07790e-03 305 2019 9 7.97287e-03 1.48987e-03 143 2019 10 -5.99857e-03 3.04597e-02 212 2019 11 7.51210e-03 1.50668e-02 396 2019 12 1.37214e-03 7.96863e-02 388 2020 1 9.94215e-03 3.02280e-03 529 2020 2 9.95955e-03 4.52789e-03 286 2020 3 9.54880e-03 1.14758e-03 326 2020 4 4.86782e-03 1.21618e-02 348 2020 5 7.36467e-03 3.08959e-03 404 2020 6 7.51910e-03 3.08258e-03 132 2020 7 7.50757e-03 2.75040e-03 197 2020 8 1.06919e-02 2.18339e-03 157 2020 9 7.77790e-03 9.10605e-03 342 2020 10 7.40755e-03 7.75222e-03 314 2020 11 -1.09614e-03 1.97943e-02 247 2020 12 5.00100e-03 3.80201e-02 621 2021 1 9.59908e-03 1.33010e-02 630 2021 2 4.43651e-03 1.60040e-02 319 2021 3 1.09359e-02 4.01181e-03 237 2021 4 7.81770e-03 3.72994e-03 239 2021 5 -9.34596e-04 2.56402e-02 505 2021 6 1.19016e-02 1.17363e-03 7 2021 7 -3.56289e-02 4.77170e-02 65 2021 8 1.31296e-02 1.06485e-02 87 2021 9 -6.37862e-03 5.38046e-02 339 2021 10 -1.20847e-02 3.83490e-02 372 2021 11 -1.00504e-02 3.13806e-02 340 2021 12 1.25680e-02 3.21922e-02 550 2022 1 1.06131e-02 5.15868e-03 623 2022 2 7.14119e-03 2.27747e-03 338 2022 3 6.51897e-03 5.80572e-04 143 2022 4 6.98107e-03 3.62125e-04 121 2022 5 7.12682e-03 3.12075e-04 127 2022 6 7.97992e-03 4.39582e-03 124 2022 7 nan nan 0 2022 8 1.23779e-02 2.10759e-03 104 2022 9 1.46097e-02 4.46893e-03 259 2022 10 1.26165e-02 1.00009e-02 262 2022 11 9.47577e-03 2.21097e-03 675 2022 12 1.09378e-02 1.92798e-03 780 2023 1 8.18428e-03 8.77567e-03 754 2023 2 1.13934e-02 2.67965e-02 632 2023 3 6.58010e-03 2.19995e-03 551 2023 4 5.98506e-03 4.62963e-03 493 2023 5 4.97929e-03 6.66015e-04 419 2023 6 5.65711e-03 1.25010e-03 156 2023 7 nan nan 0 2023 8 7.90006e-03 1.12243e-03 4 2023 9 1.20248e-02 8.37916e-03 283 2023 10 5.78253e-03 8.62660e-04 593 2023 11 1.15422e-02 9.28606e-03 356 2023 12 8.58257e-03 2.39486e-03 417 2024 1 9.14522e-03 5.54982e-03 671 2024 2 8.48158e-03 2.08556e-03 660 2024 3 6.14379e-03 1.62885e-03 661 2024 4 5.59070e-03 1.20810e-04 64