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 1.13820e+00 1.06701e+00 23 2002 8 7.59096e-01 9.00679e-01 171 2002 9 6.54307e-01 3.96243e-01 123 2002 10 7.01780e-01 4.19403e-01 321 2002 11 1.52076e+00 1.09964e+00 547 2002 12 1.60533e+00 8.87995e-01 292 2003 1 1.66572e+00 8.99740e-01 557 2003 2 1.30523e+00 9.51685e-01 452 2003 3 5.03838e+00 1.49763e+00 15 2003 4 2.21607e+00 9.90671e-01 27 2003 5 nan nan 0 2003 6 2.12276e+00 0.00000e+00 1 2003 7 1.20961e+00 4.31044e-01 14 2003 8 6.69983e-01 7.27880e-01 14 2003 9 1.05310e+00 1.03470e+00 133 2003 10 1.56981e+00 1.43078e+00 371 2003 11 1.07366e+00 7.36037e-01 560 2003 12 2.02747e+00 1.28996e+00 640 2004 1 9.91195e-01 5.91682e-01 386 2004 2 1.61326e+00 1.79109e+00 204 2004 3 1.88691e+00 1.78162e+00 292 2004 4 4.90823e+00 2.74069e+00 99 2004 5 3.21142e-01 4.46752e-02 54 2004 6 8.80068e-01 1.06997e+00 130 2004 7 1.02947e+00 9.35777e-01 142 2004 8 5.05301e-01 2.78417e-01 67 2004 9 3.72975e-01 4.74030e-02 13 2004 10 1.30160e+00 1.13015e+00 110 2004 11 2.05658e+00 1.26788e+00 261 2004 12 2.06992e+00 9.96771e-01 296 2005 1 1.71283e+00 1.13257e+00 291 2005 2 2.16138e+00 1.60751e+00 286 2005 3 2.00114e+00 1.55345e+00 355 2005 4 2.65002e+00 9.42642e-01 117 2005 5 8.41709e-01 2.63103e-01 8 2005 6 1.97647e+00 1.22496e+00 150 2005 7 1.53126e+00 1.24749e+00 72 2005 8 nan nan 0 2005 9 1.12716e+00 9.91270e-01 155 2005 10 1.66971e+00 1.41280e+00 357 2005 11 1.39829e+00 1.12785e+00 464 2005 12 1.60143e+00 6.18860e-01 339 2006 1 1.81620e+00 1.02949e+00 411 2006 2 2.72338e+00 1.39407e+00 359 2006 3 1.97067e+00 1.33505e+00 669 2006 4 1.48987e+00 1.80445e-01 64 2006 5 1.37941e+00 5.76686e-01 24 2006 6 5.08234e-01 7.86649e-02 37 2006 7 1.21666e+00 3.59150e-02 12 2006 8 7.01670e-02 1.48668e-01 13 2006 9 1.50559e+00 1.28160e+00 240 2006 10 1.16839e+00 8.49735e-01 391 2006 11 1.27349e+00 8.33441e-01 467 2006 12 1.18488e+00 1.18958e+00 404 2007 1 8.81160e-01 8.04964e-01 287 2007 2 8.17784e-01 2.91912e-01 622 2007 3 1.00621e+00 5.21241e-01 488 2007 4 1.43059e+00 1.04189e+00 249 2007 5 8.09617e-01 2.31834e-01 21 2007 6 6.92684e-01 1.13223e-01 87 2007 7 1.62909e+00 6.04784e-01 50 2007 8 9.16042e-01 7.28195e-01 24 2007 9 1.23033e+00 5.52066e-01 54 2007 10 5.24944e-01 5.97045e-01 346 2007 11 6.61441e-01 3.57744e-01 549 2007 12 1.14789e+00 1.60495e+00 338 2008 1 9.24359e-01 5.44300e-01 307 2008 2 9.08240e-01 7.27147e-01 757 2008 3 1.46807e+00 1.77269e+00 436 2008 4 9.62440e-01 8.62329e-01 316 2008 5 8.45009e-01 2.27958e-01 142 2008 6 8.98459e-01 4.16115e-01 30 2008 7 1.32987e+00 0.00000e+00 1 2008 8 1.21488e+00 6.67622e-01 56 2008 9 1.31823e+00 7.51266e-01 77 2008 10 1.35554e+00 8.81760e-01 382 2008 11 1.46984e+00 1.27823e+00 396 2008 12 9.41653e-01 5.38193e-01 512 2009 1 1.41661e+00 1.05678e+00 398 2009 2 1.55047e+00 1.19769e+00 554 2009 3 1.55644e+00 1.36609e+00 417 2009 4 1.09380e+00 5.14254e-01 192 2009 5 1.19421e+00 5.14202e-01 83 2009 6 9.98660e-01 2.24635e+00 9 2009 7 8.14920e-01 3.79422e-01 48 2009 8 2.38292e+00 1.40927e+00 69 2009 9 1.14218e+00 1.31496e+00 81 2009 10 1.12266e+00 8.06714e-01 347 2009 11 1.57341e+00 1.71119e+00 285 2009 12 6.81312e-01 1.84296e-01 163 2010 1 2.17696e+00 1.37414e+00 543 2010 2 3.29761e+00 2.40491e+00 142 2010 3 5.24208e+00 1.86904e+00 74 2010 4 3.26446e+00 1.32284e+00 134 2010 5 1.86195e+00 1.68207e+00 142 2010 6 2.12845e+00 1.04676e+00 65 2010 7 1.83133e+00 1.11834e+00 58 2010 8 nan nan 0 2010 9 1.22549e+00 1.20177e+00 80 2010 10 1.57612e+00 1.32838e+00 450 2010 11 1.41704e+00 1.19111e+00 644 2010 12 1.25840e+00 7.63241e-01 484 2011 1 9.44162e-01 4.60364e-01 428 2011 2 1.02681e+00 5.61144e-01 306 2011 3 1.38545e+00 9.09026e-01 550 2011 4 1.07265e+00 4.53291e-01 330 2011 5 1.64192e+00 1.67647e+00 62 2011 6 1.04687e+00 2.39179e-01 16 2011 7 1.02030e+00 3.33970e-01 34 2011 8 1.16126e+00 5.86341e-01 23 2011 9 1.11035e+00 8.38839e-01 171 2011 10 1.26472e+00 1.21811e+00 484 2011 11 7.66309e-01 6.71035e-01 465 2011 12 7.58391e-01 5.71009e-01 557 2012 1 9.79333e-01 4.60941e-01 634 2012 2 9.92976e-01 4.32380e-01 182 2012 3 7.94175e-01 4.18798e-01 581 2012 4 1.47213e+00 8.14387e-01 223 2012 5 4.69507e-01 1.95848e-01 126 2012 6 1.63860e+00 1.78380e+00 28 2012 7 2.12993e+00 4.66576e-01 31 2012 8 nan nan 0 2012 9 6.60270e+00 1.90504e+00 30 2012 10 2.77909e+00 1.87609e+00 207 2012 11 3.75020e+00 2.22912e+00 350 2012 12 1.41092e+00 8.39880e-01 170 2013 1 1.03436e+00 6.93486e-01 377 2013 2 1.77925e+00 1.54879e+00 320 2013 3 2.31950e+00 1.17745e+00 337 2013 4 8.28854e-01 4.99045e-01 168 2013 5 1.04214e+00 6.27366e-01 99 2013 6 1.26089e-01 5.55336e-02 64 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 2.24040e+00 1.82265e+00 42 2013 10 1.85723e+00 1.51779e+00 220 2013 11 1.37093e+00 1.19838e+00 193 2013 12 8.24937e-01 8.23188e-01 527 2014 1 9.99504e-01 6.78472e-01 329 2014 2 1.54635e+00 1.55907e+00 474 2014 3 2.00201e+00 1.59399e+00 453 2014 4 2.50300e+00 2.29979e+00 81 2014 5 nan nan 0 2014 6 9.49763e-01 1.00979e+00 45 2014 7 1.37993e+00 7.33012e-01 62 2014 8 2.67122e+00 1.31020e+00 19 2014 9 3.18029e-01 4.91197e-01 85 2014 10 1.28271e+00 9.52618e-01 666 2014 11 1.24291e+00 9.75716e-01 593 2014 12 9.95620e-01 7.49779e-01 395 2015 1 1.28336e+00 1.29602e+00 484 2015 2 1.94842e+00 1.43587e+00 463 2015 3 1.14690e+00 3.98148e-01 241 2015 4 1.32764e+00 8.67795e-01 78 2015 5 5.35910e-01 2.72206e-01 104 2015 6 1.76992e+00 1.72280e+00 147 2015 7 nan nan 0 2015 8 2.15835e+00 1.88974e+00 66 2015 9 1.42287e+00 1.30491e-01 15 2015 10 1.68836e+00 1.09759e+00 167 2015 11 9.24644e-01 5.26513e-01 149 2015 12 9.48146e-01 5.91758e-01 390 2016 1 9.95320e-01 5.94151e-01 573 2016 2 1.84629e+00 9.85682e-01 629 2016 3 1.64108e+00 1.09497e+00 481 2016 4 1.21802e+00 8.22429e-01 246 2016 5 6.64331e-01 1.94596e-01 94 2016 6 8.31275e-01 5.11591e-01 117 2016 7 2.27555e+00 1.27817e+00 85 2016 8 2.15484e+00 1.26599e+00 137 2016 9 2.59111e+00 2.08529e+00 137 2016 10 1.77168e+00 1.37612e+00 180 2016 11 1.03232e+00 6.17554e-01 478 2016 12 9.91583e-01 5.31062e-01 260 2017 1 8.25383e-01 3.76677e-01 468 2017 2 1.12579e+00 9.32711e-01 733 2017 3 9.24739e-01 3.87148e-01 657 2017 4 1.06496e+00 8.22380e-01 306 2017 5 1.28033e+00 6.80052e-01 56 2017 6 5.42973e-03 1.31804e-02 64 2017 7 3.57847e-01 1.26945e-01 36 2017 8 1.74918e+00 1.31768e+00 46 2017 9 1.66191e+00 1.01722e+00 137 2017 10 1.81486e+00 1.40912e+00 281 2017 11 1.09163e+00 7.86352e-01 511 2017 12 8.90466e-01 6.44519e-01 405 2018 1 1.09670e+00 6.60638e-01 500 2018 2 7.41831e-01 2.69709e-01 357 2018 3 1.57102e+00 1.20132e+00 452 2018 4 1.71322e+00 6.66789e-01 71 2018 5 1.39316e+00 1.16749e+00 205 2018 6 1.17978e+00 2.10430e-01 55 2018 7 6.66102e-01 2.30496e-01 38 2018 8 1.83887e+00 1.17209e+00 63 2018 9 1.93474e+00 2.25199e+00 103 2018 10 2.19110e+00 1.39603e+00 269 2018 11 1.78196e+00 7.56352e-01 199 2018 12 2.12072e+00 1.56592e+00 318 2019 1 2.67699e+00 1.32982e+00 199 2019 2 2.42809e+00 2.24748e+00 84 2019 3 3.40996e+00 1.60471e+00 217 2019 4 1.36294e+00 8.51259e-01 232 2019 5 1.33535e+00 1.41107e+00 63 2019 6 2.87839e-03 2.03533e-03 6 2019 7 6.68590e-01 3.65285e-01 43 2019 8 1.34046e+00 1.08865e+00 67 2019 9 9.49751e-01 3.56954e-01 75 2019 10 1.56488e+00 1.31934e+00 262 2019 11 6.26417e-01 3.79495e-01 358 2019 12 7.73809e-01 5.76007e-01 216 2020 1 7.94723e-01 3.10546e-01 277 2020 2 7.81659e-01 3.42883e-01 272 2020 3 7.78589e-01 5.52580e-01 442 2020 4 1.66801e+00 7.19045e-01 135 2020 5 1.56655e+00 8.49711e-01 164 2020 6 1.12927e+00 2.72712e-01 81 2020 7 3.97159e-01 4.48054e-01 92 2020 8 1.41391e+00 3.79293e-01 67 2020 9 3.58777e+00 1.66084e+00 51 2020 10 2.37911e+00 2.49801e+00 131 2020 11 1.66530e+00 1.20921e+00 361 2020 12 1.51634e+00 8.49950e-01 361 2021 1 1.63777e+00 6.79096e-01 323 2021 2 2.01489e+00 1.36766e+00 405 2021 3 1.83694e+00 1.09216e+00 369 2021 4 1.52622e+00 8.49063e-01 192 2021 5 1.64927e+00 9.72212e-01 290 2021 6 7.19052e-01 1.61838e-01 88 2021 7 nan nan 0 2021 8 nan nan 0 2021 9 1.53329e+00 1.52290e+00 141 2021 10 2.16435e+00 1.74964e+00 195 2021 11 2.51539e+00 1.44057e+00 307 2021 12 1.07366e+00 1.09877e+00 371 2022 1 1.54101e+00 8.56246e-01 512 2022 2 1.06213e+00 4.87437e-01 348 2022 3 1.36817e+00 1.28238e+00 437 2022 4 1.27987e+00 6.93250e-01 62 2022 5 3.01462e+00 1.82783e+00 72 2022 6 5.73751e-01 1.55414e-01 86 2022 7 3.28723e-01 2.07923e-01 92 2022 8 1.18007e+00 1.44131e+00 140 2022 9 8.55734e-01 4.85313e-01 111 2022 10 1.68951e+00 1.40652e+00 695 2022 11 1.13141e+00 1.24885e+00 403 2022 12 1.01450e+00 9.08505e-01 757 2023 1 8.20265e-01 7.17418e-01 791 2023 2 6.72494e-01 2.05859e-01 494 2023 3 9.02434e-01 8.24816e-01 626 2023 4 9.10784e-01 1.20465e+00 148 2023 5 7.68077e-01 4.77490e-01 200 2023 6 6.05817e-01 2.30298e-01 124 2023 7 1.22575e+00 1.25657e+00 36 2023 8 8.89223e-01 1.04894e+00 93 2023 9 1.36355e+00 1.52278e+00 176 2023 10 8.62054e-01 6.14435e-01 324 2023 11 1.49576e+00 1.35529e+00 476 2023 12 1.45790e+00 5.61028e-01 147 2024 1 3.30615e+00 1.44633e+00 296 2024 2 1.66491e+00 9.81842e-01 401 2024 3 2.15095e+00 1.28839e+00 125 2024 4 nan nan 0