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 1.88218e-01 1.63208e-02 281 2002 8 1.73704e-01 3.51608e-02 512 2002 9 2.29251e-01 7.52819e-02 572 2002 10 2.08917e-01 4.70837e-02 704 2002 11 2.17988e-01 4.14331e-02 915 2002 12 2.93807e-01 7.12368e-02 640 2003 1 3.41497e-01 1.10005e-01 1088 2003 2 2.17254e-01 3.77000e-02 640 2003 3 7.99454e-01 4.83492e-01 143 2003 4 3.48759e-01 6.60628e-01 375 2003 5 8.74964e+02 3.00097e+03 111 2003 6 2.48362e-01 1.44695e-01 318 2003 7 1.89093e-01 1.09167e-01 118 2003 8 2.81377e-01 1.74457e-01 410 2003 9 5.52992e-01 5.31651e+00 634 2003 10 2.53048e-01 9.45653e-02 1024 2003 11 2.37709e-01 8.37253e-02 1134 2003 12 3.01597e-01 9.39556e-02 896 2004 1 3.06286e-01 1.28258e-01 788 2004 2 1.95133e-01 1.86266e-02 236 2004 3 3.19501e-01 1.43057e-01 826 2004 4 1.00810e+00 5.90032e+00 697 2004 5 4.42831e-01 2.25306e+00 619 2004 6 2.07959e-01 2.76749e-02 383 2004 7 3.94438e-01 5.83972e-01 517 2004 8 1.95500e-01 6.86545e-02 597 2004 9 3.28820e-01 1.33213e-01 396 2004 10 1.01830e+00 6.13262e-01 194 2004 11 1.67834e+00 2.38040e+00 412 2004 12 7.97116e-01 2.42106e-01 501 2005 1 4.27141e-01 1.99612e-01 707 2005 2 2.22333e+00 7.29413e+00 493 2005 3 3.94920e-01 1.51881e-01 695 2005 4 3.89614e-01 1.73760e-01 254 2005 5 1.73787e-01 4.32705e-02 417 2005 6 3.15888e-01 2.15238e-01 436 2005 7 5.24770e-01 3.55240e-01 447 2005 8 1.73326e-01 1.44779e-02 89 2005 9 3.48454e-01 1.26782e-01 384 2005 10 2.80608e-01 1.34378e-01 1177 2005 11 2.27011e-01 4.03905e-02 1181 2005 12 2.27775e-01 4.27990e-02 1024 2006 1 2.83592e-01 9.74484e-02 854 2006 2 3.52969e-01 2.36667e-01 791 2006 3 4.80317e-01 3.46423e-01 1035 2006 4 8.75775e-01 2.54110e+00 550 2006 5 2.25261e-01 1.08657e-01 709 2006 6 2.21519e-01 5.73322e-02 341 2006 7 2.40051e-01 9.74725e-02 392 2006 8 2.28100e-01 1.05152e-01 456 2006 9 2.39959e-01 5.50007e-02 686 2006 10 2.21159e-01 9.18463e-02 995 2006 11 1.87792e-01 3.09651e-02 827 2006 12 2.39953e-01 1.25998e-01 571 2007 1 1.70230e-01 3.35493e-02 540 2007 2 1.79467e-01 3.75708e-02 883 2007 3 1.77828e-01 1.94716e-02 1209 2007 4 2.15472e-01 8.21805e-02 837 2007 5 1.69107e-01 1.64654e-02 441 2007 6 1.85425e-01 2.78279e-02 539 2007 7 2.05905e-01 4.37885e-02 497 2007 8 2.27575e-01 5.04412e-02 576 2007 9 2.10117e-01 6.39185e-02 601 2007 10 1.63649e-01 2.37115e-02 701 2007 11 1.54813e-01 1.09892e-02 1076 2007 12 1.86239e-01 9.41015e-02 753 2008 1 1.63328e-01 4.17117e-02 1025 2008 2 1.53241e-01 2.88273e-02 1152 2008 3 2.83674e-01 2.03658e-01 960 2008 4 6.94377e+00 6.58566e+01 684 2008 5 3.36545e-01 1.22260e-01 648 2008 6 2.05182e-01 1.14653e-01 608 2008 7 1.85951e-01 4.21469e-02 383 2008 8 2.32359e-01 1.40521e-02 192 2008 9 2.94461e-01 1.87872e-01 703 2008 10 2.71051e-01 1.44375e-01 1024 2008 11 2.31585e-01 5.08531e-02 1021 2008 12 4.43956e-01 3.29207e-01 890 2009 1 3.41049e-01 1.32005e-01 640 2009 2 2.70330e-01 4.64912e-02 896 2009 3 2.04117e-01 5.88746e-02 1080 2009 4 3.09532e-01 1.67662e-01 709 2009 5 4.19647e-01 3.97598e-01 170 2009 6 3.01231e-01 2.44935e-01 448 2009 7 3.32080e-01 5.67748e-01 387 2009 8 2.66008e-01 1.07761e-01 549 2009 9 2.28964e-01 1.40449e-01 895 2009 10 2.16895e-01 3.47678e-02 859 2009 11 2.32122e-01 5.01217e-02 640 2009 12 2.49401e-01 5.51146e-02 256 2010 1 4.14912e-01 1.13878e-01 896 2010 2 1.62526e+00 1.03593e+01 841 2010 3 6.79555e-01 3.84763e-01 858 2010 4 1.29110e+00 1.80693e+00 559 2010 5 2.09095e+00 9.20447e+00 595 2010 6 2.23896e-01 5.43298e-02 525 2010 7 2.57315e-01 7.61419e-02 404 2010 8 1.93694e-01 2.54786e-02 276 2010 9 2.45974e-01 2.28722e-01 785 2010 10 2.25011e-01 6.71849e-02 1555 2010 11 2.04747e-01 9.30684e-02 1255 2010 12 2.20057e-01 9.63610e-02 1088 2011 1 1.98229e-01 2.21722e-02 708 2011 2 1.76008e-01 1.90104e-02 626 2011 3 1.99131e-01 1.86073e-02 947 2011 4 2.48876e-01 9.41042e-02 963 2011 5 2.18065e-01 7.75588e-02 785 2011 6 1.82582e-01 9.33990e-03 314 2011 7 2.20794e-01 4.07000e-02 446 2011 8 1.93355e-01 4.57630e-02 750 2011 9 1.87091e-01 4.65369e-02 838 2011 10 1.79262e-01 5.67149e-02 1088 2011 11 1.49402e-01 2.62940e-02 1123 2011 12 1.51941e-01 2.08906e-02 929 2012 1 1.89389e-01 7.68812e-02 1152 2012 2 1.43507e-01 1.27528e-02 434 2012 3 1.73534e-01 3.40053e-02 896 2012 4 1.74641e-01 2.38600e-02 944 2012 5 1.97190e-01 2.47144e-02 632 2012 6 2.63033e-01 1.06607e-01 448 2012 7 8.59619e-01 3.62486e+00 386 2012 8 3.26444e+00 1.49790e+01 306 2012 9 4.06887e-01 1.88267e-01 694 2012 10 3.94192e-01 5.22291e-01 741 2012 11 3.34683e-01 1.26209e-01 1234 2012 12 3.34443e-01 1.23586e-01 512 2013 1 2.47531e-01 8.21906e-02 661 2013 2 2.10899e-01 3.52833e-02 640 2013 3 4.19277e-01 2.80070e-01 866 2013 4 2.47655e+00 6.38964e+00 293 2013 5 5.20533e-01 7.28108e-01 557 2013 6 2.03362e-01 8.46674e-02 429 2013 7 4.06783e-01 4.67112e-01 202 2013 8 3.08517e-01 1.75555e-01 304 2013 9 3.13299e-01 1.37796e-01 666 2013 10 4.24804e-01 4.06075e-01 803 2013 11 1.69482e+00 1.66267e+01 634 2013 12 1.67630e-01 4.30946e-02 851 2014 1 2.54437e-01 1.22510e-01 652 2014 2 3.85210e-01 2.04970e-01 722 2014 3 4.94800e-01 3.74958e-01 823 2014 4 5.28267e-01 2.62528e-01 374 2014 5 5.53701e-01 4.60017e-01 115 2014 6 1.76230e-01 8.07345e-02 257 2014 7 1.38424e+00 5.56604e+00 485 2014 8 2.00065e-01 5.56008e-02 533 2014 9 1.88914e-01 3.76560e-02 506 2014 10 2.62164e-01 1.04393e-01 1404 2014 11 2.01334e-01 4.33351e-02 1022 2014 12 1.77959e-01 4.20313e-02 897 2015 1 2.29945e-01 1.94262e-01 828 2015 2 3.12361e-01 1.61726e-01 831 2015 3 2.20679e+00 5.71166e+00 478 2015 4 2.45781e+00 2.77279e+00 120 2015 5 9.88527e-01 1.57619e+00 834 2015 6 2.89977e-01 3.72709e-01 475 2015 7 2.18818e-01 1.21029e-01 236 2015 8 2.64711e-01 5.48104e-02 533 2015 9 4.49137e-01 4.34603e-01 439 2015 10 2.64052e-01 7.39430e-02 991 2015 11 2.65339e-01 1.05095e-01 904 2015 12 2.16137e-01 4.09537e-02 500 2016 1 2.08854e-01 4.12959e-02 640 2016 2 3.76145e-01 1.65356e-01 1280 2016 3 3.69359e-01 9.97026e-02 663 2016 4 3.78407e-01 1.68066e-01 556 2016 5 4.36626e+00 2.05536e+01 725 2016 6 2.52926e-01 8.42246e-02 479 2016 7 2.40368e-01 7.98711e-02 875 2016 8 2.56891e-01 8.70370e-02 737 2016 9 2.48780e-01 8.20111e-02 940 2016 10 2.73510e-01 2.50820e-01 896 2016 11 1.80803e-01 4.59750e-02 956 2016 12 1.61219e-01 2.19990e-02 713 2017 1 1.90090e-01 5.86972e-02 650 2017 2 2.18204e-01 4.12806e-02 1129 2017 3 2.19061e-01 6.63000e-02 1003 2017 4 2.18480e-01 3.16785e-02 702 2017 5 2.22475e-01 2.99080e-02 461 2017 6 1.82991e-01 4.19792e-02 445 2017 7 3.10360e+00 1.47526e+01 187 2017 8 2.28256e-01 7.74173e-02 482 2017 9 2.77607e-01 1.95657e-01 778 2017 10 4.05710e-01 2.02113e-01 886 2017 11 2.22514e-01 1.28740e-01 1209 2017 12 1.78828e-01 3.47775e-02 762 2018 1 2.15161e-01 4.72862e-02 779 2018 2 2.30035e-01 4.65001e-02 490 2018 3 2.19918e-01 5.21157e-02 813 2018 4 3.18789e-01 1.81310e-01 687 2018 5 2.60986e-01 4.13816e-02 493 2018 6 3.84441e-01 3.81717e-01 405 2018 7 2.11307e-01 1.28692e-01 338 2018 8 3.03170e-01 1.88870e-01 563 2018 9 2.60310e-01 2.08264e-01 963 2018 10 2.84932e-01 1.27463e-01 1088 2018 11 3.40031e-01 5.71654e-02 256 2018 12 5.72492e-01 3.81421e-01 697 2019 1 5.61177e+01 4.40000e+02 599 2019 2 9.89200e-01 1.14455e+00 97 2019 3 4.01626e-01 1.83651e-01 679 2019 4 1.35698e+01 1.20972e+02 494 2019 5 4.12712e-01 5.07035e-01 793 2019 6 1.99452e-01 5.58204e-02 384 2019 7 2.37280e-01 1.16227e-01 448 2019 8 2.94019e-01 4.51206e-01 752 2019 9 5.95077e-01 3.26496e+00 831 2019 10 2.20536e-01 3.46120e-02 761 2019 11 1.83908e-01 3.15523e-02 704 2019 12 2.32809e-01 8.96066e-02 486 2020 1 2.04136e-01 3.38365e-02 576 2020 2 2.25461e-01 1.09247e-01 640 2020 3 2.36471e-01 8.62449e-02 802 2020 4 3.22576e-01 1.56541e-01 553 2020 5 2.35986e-01 6.20726e-02 708 2020 6 4.46597e-01 2.39649e-01 602 2020 7 5.37398e-01 1.47232e+00 301 2020 8 2.31290e-01 2.51304e-02 120 2020 9 3.69704e-01 2.40079e-01 456 2020 10 4.22001e-01 2.97671e-01 654 2020 11 2.95377e-01 1.12372e-01 1004 2020 12 3.67818e-01 2.30701e-01 643 2021 1 4.37691e-01 1.39033e-01 659 2021 2 5.09014e-01 1.50812e-01 567 2021 3 6.41785e-01 1.54083e+00 705 2021 4 1.33513e+01 7.36865e+01 506 2021 5 7.30343e+00 7.39238e+01 604 2021 6 2.21163e-01 8.65835e-02 253 2021 7 9.05536e-01 3.07736e-01 128 2021 8 1.23135e+00 1.29753e+00 331 2021 9 5.18304e-01 3.46476e-01 533 2021 10 1.05966e+00 4.03966e+00 613 2021 11 5.62038e-01 2.57720e-01 804 2021 12 6.98364e-01 5.34197e-01 538 2022 1 5.31715e-01 2.90168e-01 878 2022 2 5.05999e-01 5.09833e-01 765 2022 3 5.01647e-01 3.41924e-01 742 2022 4 3.66107e-01 6.26197e-02 143 2022 5 1.05608e+00 1.90261e+00 440 2022 6 2.48723e-01 1.69653e-01 597 2022 7 1.52288e+01 5.51299e+01 320 2022 8 2.04352e-01 6.43596e-02 537 2022 9 2.08314e-01 1.47685e-01 411 2022 10 3.76304e-01 4.01043e-01 1331 2022 11 1.86061e-01 5.10452e-02 512 2022 12 1.91495e-01 5.66513e-02 908 2023 1 1.88902e-01 3.95171e-02 768 2023 2 1.93298e-01 2.89128e-02 555 2023 3 2.42390e-01 9.94558e-02 714 2023 4 1.78693e-01 2.26346e-02 320 2023 5 2.39063e-01 1.30962e-01 448 2023 6 1.62225e-01 2.15321e-02 384 2023 7 1.78115e-01 1.24594e-02 320 2023 8 2.73258e-01 2.37235e-01 694 2023 9 3.04044e-01 9.31225e-02 538 2023 10 2.78254e-01 9.99584e-01 759 2023 11 3.02069e-01 1.98034e-01 676 2023 12 3.24252e-01 6.55873e-02 320 2024 1 4.14725e-01 9.34897e-02 512 2024 2 9.18659e-01 1.09832e+00 467 2024 3 4.60247e-01 2.18595e-01 340 2024 4 nan nan 0