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 1.71488e-01 1.25645e-01 546 2002 8 1.12884e-01 8.10603e-02 638 2002 9 5.87238e-01 5.56233e-01 774 2002 10 1.44002e+00 6.60859e-01 896 2002 11 1.29416e+00 4.74082e-01 730 2002 12 8.08160e-01 2.49286e-01 492 2003 1 4.45051e-01 2.30256e-01 744 2003 2 7.26294e-01 1.83987e-01 384 2003 3 4.46886e-01 2.56986e-01 441 2003 4 2.74738e-01 1.30129e-01 368 2003 5 2.75140e-01 4.14623e-01 271 2003 6 1.52065e-01 8.59963e-02 377 2003 7 1.97143e-01 1.41263e-01 333 2003 8 3.00078e-01 3.18460e-01 566 2003 9 4.46002e-01 4.07781e-01 811 2003 10 5.64235e-01 2.65173e-01 750 2003 11 1.26128e+00 4.32826e-01 800 2003 12 1.68068e+00 4.00240e-01 412 2004 1 1.68575e+00 9.21973e-01 548 2004 2 1.92224e+00 9.47212e-01 541 2004 3 2.34851e-01 1.52676e-01 736 2004 4 2.68439e-01 1.40144e-01 262 2004 5 1.18377e-01 6.82061e-02 412 2004 6 1.84877e-01 9.43247e-02 479 2004 7 1.71256e-01 7.66085e-02 129 2004 8 1.70175e-01 1.00488e-01 557 2004 9 7.68276e-01 5.93733e-01 580 2004 10 7.46344e-01 4.11655e-01 863 2004 11 1.40681e+00 1.12166e+00 480 2004 12 1.48477e+00 6.46942e-01 510 2005 1 1.07158e+00 4.12306e-01 576 2005 2 7.08806e-01 5.45140e-01 637 2005 3 2.46289e-01 1.53949e-01 639 2005 4 4.35065e-01 2.16959e-01 247 2005 5 1.43807e-01 5.21103e-02 64 2005 6 1.58033e-01 1.24153e-01 620 2005 7 1.67305e-01 5.63538e-02 138 2005 8 1.73345e-01 1.14658e-01 313 2005 9 9.10801e-01 8.98786e-01 850 2005 10 5.92037e-01 4.27056e-01 667 2005 11 1.26890e+00 6.60995e-01 525 2005 12 1.17148e+00 5.95429e-01 873 2006 1 1.67408e+00 1.14579e+00 490 2006 2 9.48500e-01 4.35038e-01 347 2006 3 5.22848e-01 3.19924e-01 575 2006 4 1.41657e-01 8.44260e-02 373 2006 5 1.50226e-01 9.52367e-02 388 2006 6 1.74500e-01 9.51379e-02 500 2006 7 1.59036e-01 2.18600e-01 162 2006 8 2.83014e-02 2.81416e-02 26 2006 9 1.57359e+00 9.84633e-01 975 2006 10 1.32272e+00 1.34727e+00 715 2006 11 1.04272e+00 6.34329e-01 875 2006 12 1.55096e+00 8.80716e-01 595 2007 1 9.86433e-01 3.94372e-01 702 2007 2 6.82395e-01 3.85043e-01 831 2007 3 4.80423e-01 1.86721e-01 461 2007 4 1.12264e-01 2.22864e-01 63 2007 5 1.08369e-01 8.50864e-02 147 2007 6 1.91338e-01 1.20455e-01 145 2007 7 1.58645e-02 8.53147e-03 4 2007 8 8.49826e-02 6.23985e-02 278 2007 9 9.54441e-01 5.00504e-01 910 2007 10 7.29091e-01 3.57235e-01 660 2007 11 9.34854e-01 6.02026e-01 832 2007 12 1.81929e+00 6.14303e-01 617 2008 1 1.08556e+00 5.53989e-01 375 2008 2 1.23857e+00 7.57784e-01 644 2008 3 3.20067e-01 1.81551e-01 570 2008 4 1.17592e-01 1.05095e-01 142 2008 5 2.53953e-01 1.45370e-01 139 2008 6 2.21735e-01 8.24111e-02 114 2008 7 nan nan 0 2008 8 6.37411e-03 0.00000e+00 1 2008 9 1.22662e+00 6.18701e-01 413 2008 10 1.21669e+00 9.44970e-01 727 2008 11 1.54692e+00 5.91471e-01 604 2008 12 1.36224e+00 7.42628e-01 1017 2009 1 9.26096e-01 3.44407e-01 640 2009 2 9.87279e-01 2.12626e-01 320 2009 3 7.17881e-01 4.12477e-01 314 2009 4 2.82922e-01 1.27828e-01 192 2009 5 2.94735e-01 1.24152e-01 299 2009 6 1.55790e-01 8.57418e-02 175 2009 7 nan nan 0 2009 8 1.14662e-01 1.21456e-01 152 2009 9 3.44227e-01 3.56542e-01 434 2009 10 6.01028e-01 2.89758e-01 512 2009 11 1.37476e+00 6.34685e-01 670 2009 12 1.09373e+00 3.14936e-01 939 2010 1 1.76034e+00 5.51381e-01 764 2010 2 4.04651e-01 4.15477e-01 358 2010 3 3.99237e-01 3.34259e-01 538 2010 4 6.08747e-01 4.99602e-01 87 2010 5 1.37461e-01 7.69924e-02 261 2010 6 2.39885e-01 1.58581e-01 124 2010 7 2.88470e-01 2.95896e-01 356 2010 8 2.32580e-01 3.08065e-01 234 2010 9 1.07380e+00 4.73882e-01 419 2010 10 1.01786e+00 1.12479e+00 820 2010 11 1.20262e+00 4.98188e-01 1206 2010 12 1.66060e+00 7.30437e-01 768 2011 1 1.82041e+00 8.33448e-01 637 2011 2 1.40200e+00 5.12626e-01 389 2011 3 7.64177e-01 2.92703e-01 655 2011 4 3.97688e-01 2.33779e-01 248 2011 5 2.78818e-01 1.61443e-01 380 2011 6 1.67312e-01 1.22019e-01 206 2011 7 1.83061e-01 7.16686e-02 83 2011 8 1.50395e-01 1.23354e-01 261 2011 9 7.29119e-01 5.48236e-01 736 2011 10 9.98599e-01 4.78211e-01 909 2011 11 1.29963e+00 4.61762e-01 632 2011 12 7.15364e-01 3.59474e-01 865 2012 1 8.17056e-01 3.88262e-01 877 2012 2 8.27976e-01 3.68986e-01 656 2012 3 5.31461e-01 3.65741e-01 618 2012 4 1.37413e-01 1.01453e-01 197 2012 5 1.72958e-01 2.21116e-02 64 2012 6 1.79932e-01 1.29835e-01 197 2012 7 8.40905e-02 5.60511e-02 286 2012 8 7.15916e-02 5.13432e-02 184 2012 9 6.32191e-01 6.08080e-01 534 2012 10 7.91862e-01 3.57055e-01 483 2012 11 8.33495e-01 7.87772e-01 703 2012 12 7.38104e-01 3.75339e-01 456 2013 1 1.32060e+00 8.82073e-01 751 2013 2 9.72052e-01 5.78151e-01 774 2013 3 5.66730e-01 2.69106e-01 491 2013 4 2.71118e-01 2.68143e-01 169 2013 5 1.93955e-01 8.87381e-02 221 2013 6 2.14435e-01 2.77434e-01 314 2013 7 8.11170e-02 8.09093e-02 116 2013 8 1.31286e-01 1.10022e-01 405 2013 9 9.10689e-01 7.04675e-01 836 2013 10 1.21832e+00 8.25575e-01 874 2013 11 8.70759e-01 2.36178e-01 646 2013 12 1.19305e+00 6.77941e-01 966 2014 1 9.31129e-01 5.01344e-01 663 2014 2 9.91452e-01 3.73642e-01 584 2014 3 2.71792e-01 2.07231e-01 496 2014 4 4.98343e-01 5.87993e-01 364 2014 5 8.24988e-02 5.43493e-02 213 2014 6 1.34650e-01 1.10223e-01 542 2014 7 1.09423e-01 9.91984e-02 292 2014 8 1.51432e-01 8.07152e-02 256 2014 9 9.59066e-01 7.37530e-01 991 2014 10 1.53498e+00 6.05176e-01 968 2014 11 1.46490e+00 6.41440e-01 876 2014 12 1.70873e+00 5.85998e-01 1015 2015 1 1.17256e+00 5.62678e-01 820 2015 2 9.22068e-01 3.95068e-01 434 2015 3 5.85194e-01 4.00407e-01 513 2015 4 8.37127e-01 5.54254e-01 411 2015 5 1.54910e-01 9.61447e-02 72 2015 6 1.66100e-01 1.26133e-01 392 2015 7 2.09459e-01 1.04883e-01 80 2015 8 6.56444e-02 6.04215e-02 373 2015 9 1.83990e+00 6.34105e-01 693 2015 10 2.30362e+00 1.07217e+00 666 2015 11 2.10330e+00 7.04862e-01 852 2015 12 1.44741e+00 4.97559e-01 896 2016 1 1.51654e+00 4.12564e-01 829 2016 2 9.63888e-01 4.15460e-01 1066 2016 3 4.26916e-01 2.31847e-01 450 2016 4 3.50843e-01 2.47159e-01 500 2016 5 2.14264e-01 1.58522e-01 447 2016 6 4.22590e-01 4.67524e-01 291 2016 7 9.63292e-02 5.58270e-02 206 2016 8 2.82833e-01 2.95237e-01 464 2016 9 2.19469e+00 1.60760e+00 727 2016 10 1.46855e+00 9.82802e-01 1094 2016 11 9.03288e-01 5.74607e-01 690 2016 12 8.91061e-01 4.69434e-01 693 2017 1 1.61719e+00 7.36385e-01 574 2017 2 8.16279e-01 4.84094e-01 444 2017 3 3.19073e-01 2.34884e-01 656 2017 4 4.19873e-01 3.48670e-01 175 2017 5 1.39479e-01 7.47642e-02 125 2017 6 2.28785e-01 1.35613e-01 775 2017 7 8.05052e-02 5.50941e-02 285 2017 8 8.69992e-01 6.03571e-01 486 2017 9 1.45156e+00 4.05302e-01 513 2017 10 1.64864e+00 9.88368e-01 868 2017 11 2.27791e+00 9.43485e-01 799 2017 12 1.85000e+00 1.20458e+00 835 2018 1 1.58577e+00 6.40025e-01 788 2018 2 1.59855e+00 6.77088e-01 360 2018 3 7.21446e-01 6.27929e-01 897 2018 4 5.60373e-01 5.37695e-01 244 2018 5 1.99457e-01 1.69333e-01 140 2018 6 5.15386e-01 3.67286e-01 439 2018 7 7.74792e-02 4.83152e-02 104 2018 8 2.14878e-01 2.40386e-01 342 2018 9 8.72357e-01 5.00588e-01 496 2018 10 1.96457e+00 1.35627e+00 296 2018 11 1.46395e+00 5.86522e-01 478 2018 12 9.58961e-01 2.85937e-01 696 2019 1 9.14831e-01 4.17160e-01 384 2019 2 5.80876e-01 2.05327e-01 694 2019 3 3.48274e-01 1.71646e-01 897 2019 4 6.10966e-01 8.58237e-01 578 2019 5 1.47661e-01 1.16277e-01 455 2019 6 1.03348e-01 7.10899e-02 482 2019 7 1.13682e-01 6.41896e-02 305 2019 8 6.31135e-02 4.86359e-02 227 2019 9 4.64413e-01 4.10603e-01 916 2019 10 1.05643e+00 6.96555e-01 591 2019 11 1.63282e+00 6.21903e-01 597 2019 12 8.34981e-01 1.82781e-01 595 2020 1 7.85560e-01 2.68122e-01 763 2020 2 8.85109e-01 6.30578e-01 775 2020 3 4.97427e-01 2.12551e-01 562 2020 4 1.69320e-01 7.07207e-02 233 2020 5 4.11173e-01 3.39857e-01 336 2020 6 1.95497e-01 1.10581e-01 535 2020 7 1.19102e-01 7.08565e-02 321 2020 8 1.02065e+00 7.52655e-01 182 2020 9 7.57337e-01 3.28152e-01 618 2020 10 1.27561e+00 5.88864e-01 1388 2020 11 1.38016e+00 7.05947e-01 613 2020 12 9.78294e-01 3.22777e-01 813 2021 1 1.08917e+00 5.51964e-01 1082 2021 2 1.32708e+00 4.05389e-01 836 2021 3 1.45673e+00 7.94641e-01 480 2021 4 5.81575e-01 3.80037e-01 305 2021 5 7.83558e-02 5.16603e-02 349 2021 6 2.76849e-01 2.61864e-01 422 2021 7 2.09564e-01 2.87095e-01 362 2021 8 5.52791e-01 6.28024e-01 533 2021 9 1.43198e+00 7.33375e-01 851 2021 10 1.16330e+00 7.76641e-01 1189 2021 11 1.90810e+00 1.25028e+00 735 2021 12 9.77294e-01 4.79985e-01 471 2022 1 1.58435e+00 8.99580e-01 711 2022 2 8.42017e-01 5.34263e-01 815 2022 3 7.51277e-01 3.71766e-01 388 2022 4 2.27464e-01 4.89043e-02 39 2022 5 9.06944e-02 4.83088e-02 192 2022 6 1.06340e-01 5.68273e-02 266 2022 7 1.90777e-01 1.80402e-01 299 2022 8 4.69264e-01 4.24043e-01 478 2022 9 7.38674e-01 5.56106e-01 999 2022 10 1.01694e+00 4.20270e-01 745 2022 11 7.15497e-01 3.62486e-01 449 2022 12 1.15315e+00 5.84909e-01 729 2023 1 1.13169e+00 3.85885e-01 384 2023 2 1.71413e+00 7.57719e-01 509 2023 3 1.93886e-01 1.57735e-01 824 2023 4 3.61744e-01 3.62812e-01 630 2023 5 2.66382e-01 1.49142e-01 392 2023 6 1.28362e-01 1.02247e-01 768 2023 7 2.25532e-01 1.45297e-01 875 2023 8 3.27683e-01 1.11564e-01 341 2023 9 1.07551e+00 6.78946e-01 885 2023 10 1.31730e+00 6.42340e-01 896 2023 11 1.67353e+00 1.13930e+00 522 2023 12 1.25954e+00 7.61788e-01 850 2024 1 7.26158e-01 2.97602e-01 799 2024 2 1.05174e+00 3.19391e-01 1148 2024 3 1.00146e+00 5.89836e-01 810 2024 4 1.21147e-01 7.09314e-02 126