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 6.76886e-01 1.12032e-01 121 2002 8 3.52178e-01 2.72064e-01 121 2002 9 9.12143e-01 2.12754e-01 64 2002 10 7.80744e-01 5.07511e-01 594 2002 11 1.39607e+00 7.36425e-01 587 2002 12 1.89946e+00 1.36674e+00 408 2003 1 2.39062e+00 1.48427e+00 776 2003 2 1.14588e+00 5.11871e-01 518 2003 3 4.44064e+00 2.31131e+00 82 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 1.27736e+00 1.46818e+00 85 2003 9 8.26359e-01 6.27417e-01 128 2003 10 1.35713e+00 4.21185e-01 289 2003 11 8.89136e-01 3.30471e-01 635 2003 12 1.18082e+00 6.49829e-01 619 2004 1 9.13579e-01 3.38296e-01 762 2004 2 1.32497e+00 6.29024e-01 196 2004 3 2.00021e+00 1.51292e+00 490 2004 4 1.52499e+00 9.32013e-01 319 2004 5 9.90831e-01 6.25452e-01 167 2004 6 5.84960e-01 3.52630e-01 189 2004 7 1.10356e+00 5.94616e-01 111 2004 8 8.10690e-01 7.68466e-01 176 2004 9 2.71710e+00 2.12402e+00 42 2004 10 2.08122e+00 1.13935e+00 153 2004 11 3.63581e+00 1.31491e+00 171 2004 12 2.09356e+00 1.00737e+00 258 2005 1 2.13782e+00 1.31809e+00 382 2005 2 1.88324e+00 1.10269e+00 357 2005 3 1.53920e+00 8.94322e-01 276 2005 4 3.30178e+00 2.07808e+00 97 2005 5 2.13139e+00 8.99252e-01 3 2005 6 1.82262e+00 2.39433e+00 76 2005 7 3.79653e+00 1.78330e+00 62 2005 8 5.95411e+00 1.12381e+00 9 2005 9 1.15294e+00 5.84789e-01 205 2005 10 1.13586e+00 7.40937e-01 429 2005 11 7.80262e-01 2.22950e-01 555 2005 12 1.06945e+00 5.57643e-01 510 2006 1 1.95518e+00 7.77038e-01 413 2006 2 2.29101e+00 1.01340e+00 392 2006 3 3.11873e+00 1.67509e+00 639 2006 4 1.40711e+00 1.19754e+00 202 2006 5 1.16252e+00 2.96555e-01 152 2006 6 6.82211e-01 3.01401e-01 169 2006 7 1.04348e+00 5.31810e-01 50 2006 8 7.76242e-01 1.15400e-01 64 2006 9 8.65297e-01 5.39728e-01 338 2006 10 8.92948e-01 4.12482e-01 437 2006 11 6.82509e-01 2.42800e-01 502 2006 12 4.44927e-01 1.29744e-01 258 2007 1 7.62520e-01 3.18081e-01 316 2007 2 7.24776e-01 2.47923e-01 534 2007 3 7.41544e-01 2.91722e-01 666 2007 4 8.73477e-01 2.98532e-01 310 2007 5 7.53744e-01 1.81599e-01 40 2007 6 5.57671e-01 2.16402e-01 72 2007 7 7.00524e-01 2.42583e-01 181 2007 8 6.45958e-01 2.23372e-01 150 2007 9 4.64586e-01 2.85958e-01 175 2007 10 3.45424e-01 1.59695e-01 327 2007 11 6.22497e-01 4.90947e-01 705 2007 12 4.25966e-01 2.50119e-01 359 2008 1 8.99330e-01 6.05858e-01 439 2008 2 6.85738e-01 3.04385e-01 635 2008 3 8.45680e-01 8.14720e-01 380 2008 4 1.96731e+00 1.62276e+00 205 2008 5 1.02637e+00 3.13782e-01 223 2008 6 8.69812e-01 4.69916e-01 183 2008 7 8.95278e-01 2.32907e-01 165 2008 8 7.77529e-01 2.50045e-01 64 2008 9 2.13505e+00 1.67882e+00 157 2008 10 8.99300e-01 4.08477e-01 610 2008 11 8.48466e-01 3.91318e-01 686 2008 12 1.20537e+00 8.16277e-01 613 2009 1 1.15961e+00 8.72691e-01 595 2009 2 1.08660e+00 6.40892e-01 709 2009 3 7.53425e-01 3.76110e-01 455 2009 4 1.35139e+00 8.09966e-01 228 2009 5 1.40716e+00 1.00553e+00 109 2009 6 9.18287e-01 2.93245e-01 132 2009 7 6.86017e-01 1.34282e-01 63 2009 8 1.52512e+00 7.44849e-01 172 2009 9 1.16288e+00 7.65517e-01 235 2009 10 1.12954e+00 9.24606e-01 383 2009 11 6.76354e-01 2.20761e-01 465 2009 12 9.39408e-01 4.36234e-01 188 2010 1 1.16765e+00 4.15432e-01 641 2010 2 4.76391e+00 2.46453e+00 202 2010 3 4.96434e+00 1.71458e+00 351 2010 4 3.08387e+00 1.81571e+00 199 2010 5 2.04563e+00 1.90609e+00 157 2010 6 2.24188e+00 1.27454e+00 97 2010 7 1.24981e+00 6.95870e-01 129 2010 8 2.14895e+00 1.05667e+00 78 2010 9 1.30999e+00 1.45443e+00 174 2010 10 1.32386e+00 9.46168e-01 951 2010 11 9.00763e-01 5.82965e-01 767 2010 12 8.88569e-01 4.34316e-01 633 2011 1 7.94838e-01 3.79714e-01 534 2011 2 1.13766e+00 7.86820e-01 491 2011 3 1.12323e+00 4.25693e-01 669 2011 4 8.83753e-01 1.55485e-01 372 2011 5 9.04254e-01 4.80139e-01 262 2011 6 4.85348e-01 6.17900e-02 34 2011 7 1.33269e+00 8.58635e-01 59 2011 8 8.94244e-01 4.79146e-01 172 2011 9 9.78629e-01 6.53162e-01 423 2011 10 9.17818e-01 5.72344e-01 726 2011 11 5.88036e-01 2.41121e-01 588 2011 12 4.65792e-01 1.69307e-01 613 2012 1 6.94204e-01 3.16755e-01 840 2012 2 5.78573e-01 1.39531e-01 246 2012 3 8.41046e-01 4.60684e-01 577 2012 4 8.62993e-01 4.18342e-01 403 2012 5 6.72534e-01 3.77712e-01 236 2012 6 1.36767e+00 2.33772e-01 4 2012 7 6.40726e+00 1.82262e+00 46 2012 8 nan nan 0 2012 9 4.95843e+00 2.78637e+00 30 2012 10 4.76443e+00 1.93802e+00 82 2012 11 1.48628e+00 7.02765e-01 553 2012 12 1.54151e+00 7.78194e-01 138 2013 1 1.07220e+00 7.68033e-01 402 2013 2 1.06416e+00 2.67094e-01 299 2013 3 1.75401e+00 9.79450e-01 506 2013 4 1.62523e+00 9.08653e-01 237 2013 5 1.11751e+00 2.21044e-01 150 2013 6 1.18142e+00 1.12908e+00 179 2013 7 5.89924e-03 0.00000e+00 2 2013 8 5.60492e+00 1.97212e+00 17 2013 9 2.25704e+00 2.42056e+00 108 2013 10 2.30807e+00 1.70874e+00 307 2013 11 1.36918e+00 7.56618e-01 203 2013 12 9.20873e-01 6.01616e-01 488 2014 1 1.53560e+00 7.45224e-01 412 2014 2 1.60856e+00 1.12814e+00 390 2014 3 2.65526e+00 1.71207e+00 247 2014 4 4.83967e+00 1.76615e+00 7 2014 5 nan nan 0 2014 6 3.70858e+00 1.59867e+00 22 2014 7 1.87376e+00 9.40254e-01 271 2014 8 3.09376e+00 1.76429e+00 77 2014 9 7.96052e-01 1.45350e-01 65 2014 10 1.45388e+00 8.06790e-01 859 2014 11 1.16864e+00 5.84689e-01 654 2014 12 6.68498e-01 2.76087e-01 389 2015 1 9.42400e-01 5.03099e-01 510 2015 2 1.47694e+00 5.99674e-01 563 2015 3 1.75425e+00 7.75381e-01 335 2015 4 nan nan 0 2015 5 1.04062e+00 8.02331e-01 129 2015 6 1.14580e+00 5.38467e-01 147 2015 7 7.19831e-01 5.43268e-01 135 2015 8 2.05556e+00 9.35297e-01 97 2015 9 2.62162e+00 1.83112e+00 79 2015 10 1.30805e+00 6.90206e-01 323 2015 11 1.21682e+00 8.82963e-01 322 2015 12 9.09052e-01 4.04888e-01 468 2016 1 1.09575e+00 5.08435e-01 372 2016 2 1.49772e+00 8.24066e-01 600 2016 3 1.62340e+00 9.83907e-01 483 2016 4 1.55306e+00 1.41615e+00 329 2016 5 1.85508e+00 1.09170e+00 105 2016 6 1.34004e+00 9.43512e-01 171 2016 7 1.10020e+00 4.24783e-01 236 2016 8 2.31046e+00 1.65136e+00 218 2016 9 2.57558e+00 1.68237e+00 281 2016 10 1.70049e+00 9.46150e-01 409 2016 11 1.09535e+00 9.05133e-01 568 2016 12 8.27429e-01 3.56764e-01 417 2017 1 1.36371e+00 8.01388e-01 432 2017 2 1.03269e+00 6.37129e-01 733 2017 3 8.54645e-01 4.19550e-01 492 2017 4 1.44105e+00 1.11189e+00 392 2017 5 1.59322e+00 6.35709e-01 148 2017 6 3.14099e-01 3.63418e-01 101 2017 7 2.55854e+00 2.57328e+00 55 2017 8 1.38525e+00 1.00263e+00 189 2017 9 2.24934e+00 1.90384e+00 268 2017 10 2.78512e+00 1.76418e+00 230 2017 11 1.10689e+00 9.57096e-01 694 2017 12 8.28651e-01 5.37968e-01 459 2018 1 1.23261e+00 6.09641e-01 426 2018 2 6.09401e-01 1.27163e-01 407 2018 3 1.88599e+00 1.47215e+00 658 2018 4 1.74571e+00 1.48360e+00 154 2018 5 1.24895e+00 6.09300e-01 331 2018 6 1.91486e+00 1.13230e+00 234 2018 7 2.07782e+00 1.74898e+00 45 2018 8 4.63223e+00 2.96577e+00 82 2018 9 2.21944e+00 1.99846e+00 228 2018 10 2.04306e+00 1.12860e+00 565 2018 11 2.25578e+00 8.92581e-01 150 2018 12 2.89837e+00 2.18765e+00 230 2019 1 3.77508e+00 1.72064e+00 206 2019 2 1.98568e+00 9.24453e-01 292 2019 3 2.77705e+00 1.81494e+00 434 2019 4 2.06137e+00 1.50665e+00 316 2019 5 1.12090e+00 5.51639e-01 159 2019 6 7.04758e-01 6.45970e-02 2 2019 7 9.32854e-01 2.53011e-01 69 2019 8 2.14907e+00 1.68101e+00 77 2019 9 1.36323e+00 7.38697e-01 120 2019 10 1.21974e+00 4.92708e-01 353 2019 11 8.11468e-01 3.50761e-01 465 2019 12 9.00442e-01 7.15860e-01 256 2020 1 9.26863e-01 2.83289e-01 387 2020 2 1.52103e+00 1.01749e+00 331 2020 3 1.29018e+00 6.08306e-01 473 2020 4 1.51008e+00 4.75479e-01 374 2020 5 2.06453e+00 1.45494e+00 220 2020 6 1.10579e+00 5.22433e-01 160 2020 7 1.32981e+00 1.03251e+00 98 2020 8 1.85657e+00 1.40962e+00 131 2020 9 2.92473e+00 1.05022e+00 115 2020 10 4.01210e+00 2.40838e+00 85 2020 11 2.12861e+00 1.59757e+00 323 2020 12 1.34876e+00 6.07678e-01 344 2021 1 2.00668e+00 7.16844e-01 385 2021 2 2.44357e+00 1.98375e+00 251 2021 3 3.70697e+00 1.74829e+00 206 2021 4 3.41746e+00 1.91120e+00 181 2021 5 1.88339e+00 1.17307e+00 313 2021 6 9.01031e-01 3.19514e-01 118 2021 7 nan nan 0 2021 8 nan nan 0 2021 9 2.03572e+00 2.05749e+00 174 2021 10 2.64354e+00 2.53882e+00 219 2021 11 1.64668e+00 9.95777e-01 379 2021 12 1.05468e+00 6.54587e-01 422 2022 1 1.32897e+00 4.88403e-01 512 2022 2 1.09066e+00 4.10183e-01 613 2022 3 2.19280e+00 2.27072e+00 421 2022 4 6.69177e-02 7.19725e-03 2 2022 5 2.19464e+00 1.30340e+00 301 2022 6 1.34213e+00 1.28233e+00 194 2022 7 5.03667e-01 3.70970e-01 127 2022 8 7.47236e-01 4.33478e-01 161 2022 9 1.36404e+00 9.43015e-01 183 2022 10 9.82537e-01 5.38133e-01 849 2022 11 8.19891e-01 4.04262e-01 393 2022 12 7.84208e-01 5.51646e-01 786 2023 1 5.89820e-01 3.36692e-01 733 2023 2 6.97271e-01 3.14289e-01 464 2023 3 9.36479e-01 6.75787e-01 561 2023 4 6.08387e-01 5.00655e-01 426 2023 5 1.04337e+00 7.27072e-01 110 2023 6 6.60375e-01 5.38648e-01 182 2023 7 5.44450e-01 2.92480e-01 55 2023 8 1.25397e+00 1.26483e+00 242 2023 9 2.13745e+00 1.50500e+00 253 2023 10 1.82214e+00 1.21213e+00 292 2023 11 1.38791e+00 1.42070e+00 535 2023 12 4.16575e+00 1.96126e+00 115 2024 1 4.04732e+00 2.56279e+00 73 2024 2 3.39078e+00 1.49610e+00 375 2024 3 1.30822e+00 1.29637e+00 48 2024 4 nan nan 0