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 1.07176e+00 1.01789e+00 376 2002 8 5.10320e-01 2.23411e-01 659 2002 9 7.68106e-01 2.95417e-01 571 2002 10 9.52751e-01 4.76904e-01 230 2002 11 1.20298e+00 5.75550e-01 148 2002 12 2.07077e-01 2.00688e-01 217 2003 1 4.78552e-01 4.29225e-02 10 2003 2 5.19476e-01 1.92812e-01 84 2003 3 5.50892e-01 1.17350e-01 141 2003 4 2.54374e-01 2.01518e-01 441 2003 5 2.31412e-01 2.93817e-01 204 2003 6 9.30302e-01 3.85738e-01 288 2003 7 8.57213e-01 1.06882e+00 400 2003 8 2.19357e+00 9.89373e-01 347 2003 9 9.52269e-01 4.62541e-01 353 2003 10 4.49440e-01 2.75731e-01 451 2003 11 2.38455e-01 3.94961e-01 110 2003 12 2.09107e-01 2.05952e-01 169 2004 1 nan nan 0 2004 2 4.03117e-01 3.44786e-01 110 2004 3 1.19141e+00 4.13959e-01 188 2004 4 6.34742e-01 4.23708e-01 270 2004 5 3.00394e-01 4.66858e-01 381 2004 6 1.74765e-01 3.19494e-01 323 2004 7 1.31613e+00 1.02767e+00 239 2004 8 2.01417e+00 1.55078e+00 369 2004 9 8.86260e-01 4.56503e-01 703 2004 10 5.74774e-01 3.16458e-01 251 2004 11 6.66013e-01 2.55078e-01 171 2004 12 2.56348e-01 2.41888e-01 181 2005 1 6.69809e-01 4.67610e-01 77 2005 2 1.30596e+00 5.81917e-01 199 2005 3 3.19077e-01 2.50451e-01 254 2005 4 1.23353e+00 8.54400e-01 617 2005 5 1.27592e+00 1.31771e+00 347 2005 6 2.62081e+00 1.66939e+00 353 2005 7 1.84490e+00 1.88673e+00 454 2005 8 3.27009e+00 1.36117e+00 609 2005 9 3.06105e+00 1.35840e+00 433 2005 10 8.53537e-01 2.72998e-01 460 2005 11 5.66833e-01 4.58667e-01 160 2005 12 nan nan 0 2006 1 1.86506e+00 6.45579e-01 161 2006 2 4.60032e-01 2.27103e-01 64 2006 3 2.08935e+00 1.47053e+00 321 2006 4 2.31590e+00 1.42402e+00 501 2006 5 1.62347e+00 1.49084e+00 302 2006 6 6.95806e-01 1.00805e+00 406 2006 7 2.32956e+00 1.18756e+00 316 2006 8 2.13045e+00 9.15586e-01 490 2006 9 1.98001e+00 1.13829e+00 150 2006 10 6.37737e-01 4.36574e-01 262 2006 11 7.13061e-01 1.79058e-01 215 2006 12 1.15419e+00 8.41407e-01 131 2007 1 2.09758e+00 8.44722e-01 78 2007 2 1.84275e+00 6.61973e-01 122 2007 3 1.51477e+00 1.11578e+00 420 2007 4 2.94005e+00 1.35056e+00 309 2007 5 1.28321e+00 1.74619e+00 373 2007 6 1.18637e+00 8.94617e-01 438 2007 7 2.31934e+00 1.38427e+00 665 2007 8 4.48204e+00 1.52187e+00 477 2007 9 3.00160e+00 1.52089e+00 668 2007 10 1.09363e+00 8.78870e-01 470 2007 11 6.36607e-01 1.55522e-01 64 2007 12 1.69438e-01 3.02303e-01 52 2008 1 6.54341e-01 6.65665e-01 109 2008 2 9.53828e-01 3.25695e-01 9 2008 3 1.37671e+00 8.11151e-01 501 2008 4 2.46695e+00 9.47597e-01 246 2008 5 1.54266e+00 9.95734e-01 253 2008 6 5.38933e-01 9.02038e-01 226 2008 7 7.51913e-01 7.44721e-01 367 2008 8 2.33144e+00 1.12017e+00 774 2008 9 2.05335e+00 1.16582e+00 585 2008 10 7.02628e-01 8.98260e-01 537 2008 11 2.08080e+00 3.50508e-01 64 2008 12 nan nan 0 2009 1 2.98399e-01 5.27329e-01 66 2009 2 nan nan 0 2009 3 1.28127e+00 7.51508e-01 450 2009 4 2.43346e+00 1.20126e+00 443 2009 5 8.04059e-01 7.74278e-01 400 2009 6 9.23981e-01 1.31939e+00 304 2009 7 2.03446e+00 2.47638e+00 411 2009 8 3.39643e+00 2.79626e+00 346 2009 9 3.83995e+00 1.36706e+00 614 2009 10 7.96758e-01 7.47725e-01 65 2009 11 1.26994e+00 8.53004e-01 92 2009 12 nan nan 0 2010 1 nan nan 0 2010 2 2.75300e+00 1.94542e+00 130 2010 3 1.95285e+00 1.31625e+00 660 2010 4 4.12303e+00 3.07528e+00 178 2010 5 2.54854e+00 2.35520e+00 348 2010 6 2.28384e-01 2.90757e-01 442 2010 7 2.47424e+00 2.90861e+00 564 2010 8 4.23650e+00 1.92972e+00 555 2010 9 8.37553e-01 6.92796e-01 485 2010 10 6.93890e-01 5.78202e-01 574 2010 11 1.05750e+00 5.09565e-01 293 2010 12 3.73982e+00 2.37254e+00 63 2011 1 7.59164e-03 4.61574e-02 64 2011 2 1.61921e-01 1.84422e-01 41 2011 3 3.30863e+00 1.42779e+00 464 2011 4 4.68582e+00 1.58532e+00 302 2011 5 2.14241e+00 1.55301e+00 147 2011 6 5.66547e-01 6.76603e-01 243 2011 7 2.23684e+00 2.15391e+00 473 2011 8 3.06476e+00 2.82892e+00 573 2011 9 1.69278e+00 2.11390e+00 464 2011 10 5.67373e-01 7.23187e-01 342 2011 11 5.05990e-01 3.59115e-01 132 2011 12 1.89047e+00 9.03529e-01 172 2012 1 7.04701e-01 6.53403e-01 127 2012 2 8.36970e-01 1.10318e+00 204 2012 3 1.09642e+00 1.09480e+00 388 2012 4 1.64916e+00 1.33779e+00 414 2012 5 1.60343e+00 1.51526e+00 388 2012 6 3.29932e+00 2.17637e+00 400 2012 7 6.11339e+00 2.50087e+00 439 2012 8 3.53485e+00 3.12148e+00 556 2012 9 8.72127e-01 5.75261e-01 655 2012 10 9.16523e-01 3.45375e-01 244 2012 11 3.08924e+00 1.42446e+00 117 2012 12 nan nan 0 2013 1 9.11067e-02 9.20116e-02 62 2013 2 1.68348e-01 1.80991e-01 45 2013 3 1.61482e+00 7.71589e-01 270 2013 4 2.33607e+00 1.35976e+00 279 2013 5 1.16684e+00 1.51851e+00 225 2013 6 4.26607e-01 5.25621e-01 274 2013 7 2.55427e+00 1.71435e+00 470 2013 8 3.81805e+00 1.46216e+00 439 2013 9 1.67690e+00 8.80322e-01 646 2013 10 1.56605e+00 4.17448e-01 314 2013 11 1.04861e+00 4.14473e-01 94 2013 12 nan nan 0 2014 1 nan nan 0 2014 2 nan nan 0 2014 3 4.51574e+00 0.00000e+00 1 2014 4 5.78864e+00 2.09357e+00 324 2014 5 2.23793e+00 2.32196e+00 353 2014 6 2.12373e+00 2.33494e+00 264 2014 7 2.38247e+00 2.34171e+00 366 2014 8 1.66759e+00 1.00634e+00 299 2014 9 2.12382e+00 1.29702e+00 657 2014 10 1.48006e+00 1.03248e+00 466 2014 11 3.84559e-01 2.40358e-01 26 2014 12 2.91274e+00 8.00741e-01 148 2015 1 3.62841e+00 1.77337e-01 6 2015 2 nan nan 0 2015 3 4.70271e+00 1.02793e+00 163 2015 4 3.99005e+00 1.81938e+00 380 2015 5 1.91199e+00 1.55751e+00 177 2015 6 3.14753e+00 2.20171e+00 292 2015 7 3.30748e+00 1.79800e+00 321 2015 8 2.71034e+00 1.38825e+00 488 2015 9 2.23892e+00 6.77026e-01 526 2015 10 1.12451e+00 6.90241e-01 305 2015 11 9.09330e-01 5.82124e-01 539 2015 12 2.67876e-01 0.00000e+00 1 2016 1 2.14982e+00 1.12588e+00 153 2016 2 1.40875e+00 1.03756e+00 83 2016 3 2.95543e+00 9.93812e-01 267 2016 4 2.67526e+00 1.13218e+00 425 2016 5 1.89514e+00 1.65970e+00 266 2016 6 1.54015e+00 1.47698e+00 410 2016 7 2.55800e+00 1.35569e+00 210 2016 8 6.55025e+00 2.04396e+00 730 2016 9 2.59562e+00 8.75919e-01 447 2016 10 2.14786e+00 1.18301e+00 213 2016 11 1.13798e+00 5.85528e-01 269 2016 12 2.36186e+00 7.21598e-01 59 2017 1 9.48101e-01 9.73722e-01 127 2017 2 1.93105e+00 7.30753e-01 264 2017 3 2.08059e+00 8.65714e-01 237 2017 4 2.02142e+00 1.87658e+00 117 2017 5 1.25193e+00 2.10009e+00 271 2017 6 4.33871e-01 7.17253e-01 215 2017 7 2.08425e+00 1.35565e+00 562 2017 8 2.70439e+00 1.90290e+00 447 2017 9 9.95386e-01 5.77234e-01 554 2017 10 4.43928e-01 4.67647e-01 259 2017 11 1.12135e+00 6.63267e-01 240 2017 12 nan nan 0 2018 1 6.05050e-01 6.58800e-01 204 2018 2 9.12760e-01 8.10565e-01 138 2018 3 3.16624e+00 1.95193e+00 610 2018 4 3.76126e+00 1.83434e+00 309 2018 5 3.00706e+00 2.09984e+00 382 2018 6 1.74193e-01 2.97359e-01 225 2018 7 1.26704e+00 1.31719e+00 546 2018 8 2.17739e+00 1.31279e+00 330 2018 9 1.65292e+00 1.17625e+00 421 2018 10 6.36175e-01 5.59356e-01 177 2018 11 1.92341e+00 4.89287e-01 121 2018 12 3.63575e+00 9.87307e-01 68 2019 1 2.20912e+00 8.71674e-01 213 2019 2 3.08062e-01 2.17691e-01 64 2019 3 3.01164e-01 3.22854e-01 258 2019 4 2.26606e+00 9.50816e-01 297 2019 5 2.86135e+00 1.69465e+00 206 2019 6 2.88037e-01 5.04410e-01 150 2019 7 1.77253e-01 2.77171e-01 402 2019 8 3.70565e+00 3.26957e+00 539 2019 9 2.70146e+00 8.46790e-01 353 2019 10 1.73963e+00 1.38862e+00 341 2019 11 1.88271e+00 4.62191e-01 56 2019 12 1.11143e+00 7.87434e-01 93 2020 1 1.58309e+00 7.61146e-01 64 2020 2 1.56481e+00 1.33051e+00 352 2020 3 1.37004e+00 1.29270e+00 258 2020 4 1.06221e+00 4.35347e-01 236 2020 5 2.67810e+00 2.14657e+00 569 2020 6 4.47860e-01 6.76091e-01 414 2020 7 9.64499e-01 9.14764e-01 435 2020 8 1.53978e+00 1.15795e+00 179 2020 9 7.89676e-01 3.84362e-01 300 2020 10 1.29072e-01 1.60325e-01 334 2020 11 1.03315e-01 1.23332e-01 438 2020 12 9.10384e-01 2.45635e-01 85 2021 1 1.28429e+00 1.14966e+00 84 2021 2 1.08711e+00 6.30626e-01 287 2021 3 2.21326e+00 1.08194e+00 643 2021 4 4.25571e+00 1.54849e+00 330 2021 5 6.58919e+00 3.05545e+00 330 2021 6 5.37714e+00 3.10630e+00 261 2021 7 1.73863e+00 1.74932e+00 136 2021 8 2.67231e+00 2.25286e+00 419 2021 9 2.06217e+00 9.59306e-01 694 2021 10 9.56318e-01 6.57819e-01 97 2021 11 8.11922e-01 6.23042e-01 238 2021 12 8.83601e-04 2.47130e-03 16 2022 1 1.95879e+00 1.50888e+00 80 2022 2 1.43311e+00 3.59200e+00 149 2022 3 8.04750e-01 7.26163e-01 252 2022 4 5.28043e-01 7.59510e-01 69 2022 5 1.52532e+00 1.71510e+00 17 2022 6 1.47957e+00 1.79877e+00 534 2022 7 5.60296e+00 3.12430e+00 391 2022 8 4.33044e+00 2.31029e+00 665 2022 9 4.32591e+00 2.06787e+00 551 2022 10 2.31057e+00 1.49312e+00 612 2022 11 1.03819e+00 6.50607e-01 467 2022 12 7.32427e-03 8.17449e-03 26 2023 1 1.73217e-02 2.00467e-02 10 2023 2 3.72536e+00 1.67252e+00 380 2023 3 3.68887e+00 1.60572e+00 411 2023 4 2.14568e+00 1.73942e+00 590 2023 5 7.51768e-01 1.51463e+00 351 2023 6 5.67747e-01 4.45782e-01 193 2023 7 2.02048e+00 2.56049e+00 388 2023 8 4.67591e+00 3.72198e+00 701 2023 9 3.45241e+00 1.46478e+00 534 2023 10 1.26659e+00 7.13609e-01 192 2023 11 1.08269e+00 6.91120e-01 369 2023 12 3.15918e+00 1.70682e+00 180 2024 1 nan nan 0 2024 2 1.87838e+00 1.65543e+00 467 2024 3 2.11551e+00 1.74425e+00 393 2024 4 nan nan 0