YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.85966e+01 1.52387e-01 62 2000 3 2.05055e+01 1.24054e+00 569 2000 4 2.16934e+01 1.02062e+00 512 2000 5 2.58848e+01 2.05153e+00 662 2000 6 2.77902e+01 1.06963e+00 342 2000 7 2.89105e+01 1.33943e+00 431 2000 8 2.96041e+01 7.19125e-01 132 2000 9 2.78611e+01 8.00267e-01 199 2000 10 2.29074e+01 2.21963e+00 511 2000 11 2.24462e+01 1.38603e+00 143 2000 12 nan nan 0 2001 1 1.17167e+01 2.79292e-01 87 2001 2 1.67749e+01 1.92775e+00 363 2001 3 1.54499e+01 4.91809e-01 264 2001 4 2.19118e+01 2.08846e+00 612 2001 5 2.57339e+01 1.72999e+00 565 2001 6 2.77347e+01 9.83332e-01 146 2001 7 2.88974e+01 4.81437e-01 141 2001 8 2.97910e+01 8.66439e-01 440 2001 9 2.67974e+01 1.62768e+00 504 2001 10 2.18716e+01 1.39328e+00 251 2001 11 1.93438e+01 1.06588e+00 537 2001 12 1.93734e+01 2.63502e+00 293 2002 1 1.87204e+01 3.18249e-01 26 2002 2 1.53596e+01 1.56731e+00 284 2002 3 2.03419e+01 1.56260e+00 188 2002 4 2.50811e+01 2.35319e+00 379 2002 5 2.65468e+01 1.62185e+00 529 2002 6 2.85237e+01 7.12028e-01 364 2002 7 2.95774e+01 1.21020e+00 1422 2002 8 2.90217e+01 1.03722e+00 1635 2002 9 2.80160e+01 1.29377e+00 1668 2002 10 2.66707e+01 2.17004e+00 2294 2002 11 1.99507e+01 2.59997e+00 1156 2002 12 1.44498e+01 1.32883e+00 695 2003 1 1.12808e+01 1.57035e+00 1204 2003 2 1.49182e+01 1.72635e+00 946 2003 3 2.12886e+01 1.55151e+00 1186 2003 4 2.18788e+01 2.08738e+00 2293 2003 5 2.70267e+01 1.57673e+00 2562 2003 6 2.86546e+01 1.48933e+00 1308 2003 7 2.95075e+01 1.75536e+00 1022 2003 8 2.86787e+01 1.08387e+00 1696 2003 9 2.76050e+01 1.12407e+00 1862 2003 10 2.37183e+01 1.09931e+00 2236 2003 11 2.17147e+01 2.03420e+00 2319 2003 12 1.39100e+01 1.11372e+00 519 2004 1 1.29515e+01 1.31577e+00 1127 2004 2 1.27755e+01 1.10441e+00 322 2004 3 1.90364e+01 1.75282e+00 2415 2004 4 2.06099e+01 2.31551e+00 1964 2004 5 2.66801e+01 1.90458e+00 3050 2004 6 2.98515e+01 1.15521e+00 1906 2004 7 3.01285e+01 1.57456e+00 1885 2004 8 2.96293e+01 1.79316e+00 2046 2004 9 2.71053e+01 2.06515e+00 1807 2004 10 2.47426e+01 1.89956e+00 2144 2004 11 2.14622e+01 2.96924e+00 1416 2004 12 1.67895e+01 1.99769e+00 936 2005 1 1.39020e+01 2.41649e+00 494 2005 2 1.47771e+01 1.64743e+00 921 2005 3 1.68041e+01 2.14782e+00 1488 2005 4 2.04698e+01 1.16015e+00 2279 2005 5 2.53018e+01 2.44560e+00 2443 2005 6 2.83716e+01 1.63500e+00 1981 2005 7 3.02873e+01 1.86400e+00 2055 2005 8 3.02629e+01 2.16483e+00 1784 2005 9 2.81264e+01 1.30903e+00 2257 2005 10 2.55085e+01 2.19342e+00 1747 2005 11 2.01336e+01 2.12355e+00 1355 2005 12 1.46897e+01 1.86565e+00 782 2006 1 1.52722e+01 1.75791e+00 1172 2006 2 1.45212e+01 1.68029e+00 1376 2006 3 1.88685e+01 1.80243e+00 2366 2006 4 2.33552e+01 2.24279e+00 2846 2006 5 2.54445e+01 2.12539e+00 2838 2006 6 2.83362e+01 1.51785e+00 2427 2006 7 3.01972e+01 1.45627e+00 2302 2006 8 3.02421e+01 1.19188e+00 2234 2006 9 2.81719e+01 1.78367e+00 2226 2006 10 2.36537e+01 2.31266e+00 2047 2006 11 1.89710e+01 1.44113e+00 1105 2006 12 1.64037e+01 1.64845e+00 618 2007 1 1.47714e+01 1.79304e+00 740 2007 2 1.41821e+01 1.70555e+00 1049 2007 3 1.93863e+01 2.02708e+00 2389 2007 4 2.13828e+01 2.39556e+00 1738 2007 5 2.46959e+01 1.36823e+00 2670 2007 6 2.83111e+01 1.41289e+00 2057 2007 7 2.99595e+01 1.77786e+00 1608 2007 8 3.05420e+01 1.32085e+00 2225 2007 9 2.78150e+01 1.33780e+00 1660 2007 10 2.55780e+01 1.60068e+00 1573 2007 11 1.82168e+01 1.68801e+00 2068 2007 12 1.72567e+01 1.92908e+00 1261 2008 1 1.36935e+01 1.79662e+00 413 2008 2 1.66092e+01 1.58786e+00 924 2008 3 1.81631e+01 1.90933e+00 1387 2008 4 2.23211e+01 1.51204e+00 2002 2008 5 2.50285e+01 1.79427e+00 2309 2008 6 2.91932e+01 1.34442e+00 2179 2008 7 3.00521e+01 1.26139e+00 1584 2008 8 2.85520e+01 1.73002e+00 1293 2008 9 2.73096e+01 2.07410e+00 1993 2008 10 2.34408e+01 2.47372e+00 2453 2008 11 1.68878e+01 2.57649e+00 1321 2008 12 1.57904e+01 1.59754e+00 937 2009 1 1.47717e+01 2.58566e+00 1187 2009 2 1.42665e+01 1.75104e+00 1399 2009 3 1.86383e+01 2.87663e+00 1575 2009 4 2.19512e+01 1.74075e+00 1988 2009 5 2.66929e+01 1.51226e+00 2201 2009 6 2.94565e+01 1.49331e+00 2441 2009 7 2.91111e+01 1.50146e+00 2107 2009 8 2.95632e+01 1.76483e+00 2049 2009 9 2.82203e+01 8.85224e-01 1883 2009 10 2.61337e+01 2.94863e+00 2076 2009 11 1.89505e+01 1.60126e+00 1520 2009 12 1.45287e+01 2.27617e+00 442 2010 1 1.33594e+01 2.78454e+00 685 2010 2 1.17267e+01 1.47412e+00 1339 2010 3 1.61555e+01 2.36737e+00 1707 2010 4 2.19629e+01 1.61576e+00 2126 2010 5 2.73159e+01 1.86714e+00 2855 2010 6 3.06072e+01 1.43372e+00 2598 2010 7 2.99903e+01 1.73820e+00 2262 2010 8 2.99000e+01 1.55988e+00 1065 2010 9 2.89448e+01 1.79328e+00 2163 2010 10 2.41777e+01 1.31524e+00 3532 2010 11 1.91659e+01 1.69375e+00 1980 2010 12 1.41441e+01 3.01332e+00 719 2011 1 1.16784e+01 1.27125e+00 969 2011 2 1.56864e+01 2.84498e+00 1174 2011 3 2.00164e+01 1.85582e+00 2100 2011 4 2.39824e+01 1.87032e+00 2802 2011 5 2.62819e+01 2.04694e+00 3395 2011 6 2.96683e+01 1.79802e+00 2475 2011 7 2.97164e+01 9.99014e-01 1583 2011 8 3.05143e+01 1.46916e+00 2555 2011 9 2.80245e+01 1.43462e+00 2257 2011 10 2.26249e+01 2.25503e+00 1944 2011 11 1.84568e+01 1.42687e+00 1923 2011 12 1.57044e+01 1.43495e+00 854 2012 1 1.51563e+01 2.25646e+00 1642 2012 2 1.63185e+01 2.23001e+00 547 2012 3 2.19625e+01 2.26332e+00 2552 2012 4 2.35460e+01 1.45586e+00 2761 2012 5 2.73957e+01 1.03366e+00 2902 2012 6 2.79222e+01 1.51006e+00 1746 2012 7 2.98384e+01 1.99652e+00 1944 2012 8 2.86551e+01 1.88277e+00 1615 2012 9 2.84044e+01 1.57384e+00 1804 2012 10 2.47866e+01 2.27402e+00 2127 2012 11 1.76287e+01 1.15886e+00 1779 2012 12 1.62682e+01 1.83982e+00 1118 2013 1 1.55688e+01 1.95749e+00 1137 2013 2 1.60724e+01 2.02899e+00 1310 2013 3 1.55835e+01 1.96750e+00 1767 2013 4 2.13669e+01 1.90495e+00 1972 2013 5 2.51958e+01 2.37855e+00 2417 2013 6 2.84572e+01 1.52484e+00 1916 2013 7 2.81439e+01 1.53239e+00 1023 2013 8 2.99995e+01 1.96059e+00 2195 2013 9 2.93360e+01 1.67453e+00 2183 2013 10 2.50954e+01 2.06665e+00 1852 2013 11 1.94173e+01 2.51991e+00 1091 2013 12 1.71830e+01 2.07996e+00 985 2014 1 1.26787e+01 1.00601e+00 720 2014 2 1.44535e+01 2.05782e+00 949 2014 3 1.78917e+01 1.78864e+00 1782 2014 4 2.18437e+01 2.33724e+00 1799 2014 5 2.56879e+01 1.55194e+00 2185 2014 6 2.89887e+01 2.10362e+00 1747 2014 7 3.04237e+01 1.44426e+00 1884 2014 8 3.00822e+01 1.53085e+00 2555 2014 9 2.82950e+01 1.64981e+00 1107 2014 10 2.48770e+01 1.93913e+00 2688 2014 11 1.68942e+01 2.27238e+00 996 2014 12 1.57224e+01 1.48986e+00 1339 2015 1 1.40808e+01 1.28419e+00 1302 2015 2 1.32880e+01 1.26534e+00 1315 2015 3 1.94963e+01 2.90579e+00 1334 2015 4 2.33841e+01 1.81146e+00 634 2015 5 2.68505e+01 2.08075e+00 3055 2015 6 3.00263e+01 1.43943e+00 2234 2015 7 2.95883e+01 1.48304e+00 1363 2015 8 3.02152e+01 1.82857e+00 2087 2015 9 2.74284e+01 2.02819e+00 984 2015 10 2.40810e+01 1.65041e+00 1873 2015 11 2.28004e+01 3.39998e+00 1551 2015 12 1.87499e+01 1.87077e+00 872 2016 1 1.32838e+01 1.71247e+00 871 2016 2 1.41317e+01 1.89236e+00 1272 2016 3 1.88594e+01 2.34437e+00 1158 2016 4 2.25040e+01 2.19449e+00 1942 2016 5 2.62628e+01 1.96764e+00 2730 2016 6 2.98826e+01 1.43815e+00 2517 2016 7 3.13360e+01 1.17977e+00 2555 2016 8 3.05294e+01 1.24191e+00 2071 2016 9 2.90815e+01 1.46813e+00 2162 2016 10 2.47464e+01 1.83363e+00 2406 2016 11 1.95417e+01 2.52949e+00 2053 2016 12 1.77379e+01 1.89644e+00 1020 2017 1 1.58263e+01 2.08799e+00 987 2017 2 1.83695e+01 1.76015e+00 1876 2017 3 1.94768e+01 2.57724e+00 1994 2017 4 2.31813e+01 1.85497e+00 2375 2017 5 2.51194e+01 1.99752e+00 2057 2017 6 2.88760e+01 1.98568e+00 1325 2017 7 3.07122e+01 1.45047e+00 1064 2017 8 3.00660e+01 1.51100e+00 1976 2017 9 2.80243e+01 1.60995e+00 2222 2017 10 2.49508e+01 2.59489e+00 2208 2017 11 1.96627e+01 1.54243e+00 2151 2017 12 1.74202e+01 2.71515e+00 915 2018 1 1.17680e+01 1.71243e+00 857 2018 2 1.98065e+01 3.75017e+00 1290 2018 3 1.79916e+01 2.13571e+00 2140 2018 4 2.16121e+01 1.52479e+00 1980 2018 5 2.55424e+01 1.86755e+00 1951 2018 6 2.99855e+01 1.52336e+00 1976 2018 7 2.95144e+01 1.12648e+00 1496 2018 8 3.00852e+01 1.53386e+00 1438 2018 9 3.02297e+01 1.34763e+00 2531 2018 10 2.63344e+01 2.64398e+00 2225 2018 11 1.89719e+01 2.64066e+00 698 2018 12 1.55036e+01 1.98096e+00 928 2019 1 1.50555e+01 2.13274e+00 1121 2019 2 1.76698e+01 2.63067e+00 1160 2019 3 1.86879e+01 1.81961e+00 1904 2019 4 2.20130e+01 2.10848e+00 1943 2019 5 2.80565e+01 1.98830e+00 3190 2019 6 2.91604e+01 1.34573e+00 1620 2019 7 2.98631e+01 1.61508e+00 1927 2019 8 3.04690e+01 1.18531e+00 2034 2019 9 2.91572e+01 1.34421e+00 2971 2019 10 2.57303e+01 2.07259e+00 2034 2019 11 1.87919e+01 2.39273e+00 1768 2019 12 1.62142e+01 1.57030e+00 1667 2020 1 1.59010e+01 1.84651e+00 1905 2020 2 1.56313e+01 1.73082e+00 1591 2020 3 2.22671e+01 3.65207e+00 2463 2020 4 2.40708e+01 1.19826e+00 1909 2020 5 2.51537e+01 1.77058e+00 2626 2020 6 3.00200e+01 1.30778e+00 2056 2020 7 3.00855e+01 1.45524e+00 1757 2020 8 3.14781e+01 1.19593e+00 1185 2020 9 2.82928e+01 2.31825e+00 1404 2020 10 2.55921e+01 1.35966e+00 2258 2020 11 2.09242e+01 1.98623e+00 2737 2020 12 1.44749e+01 1.43287e+00 1977 2021 1 1.43991e+01 2.16249e+00 1828 2021 2 1.68603e+01 2.29961e+00 1554 2021 3 1.89186e+01 2.11690e+00 1874 2021 4 2.21465e+01 1.90020e+00 2318 2021 5 2.56510e+01 1.54388e+00 2426 2021 6 2.77477e+01 1.69052e+00 1009 2021 7 2.92183e+01 1.39721e+00 1191 2021 8 3.02137e+01 1.29538e+00 1519 2021 9 2.87785e+01 1.14305e+00 1715 2021 10 2.56209e+01 2.15235e+00 2297 2021 11 1.82125e+01 1.64070e+00 2252 2021 12 1.79112e+01 1.66248e+00 2520 2022 1 1.54714e+01 2.83989e+00 2344 2022 2 1.66765e+01 3.18026e+00 2160 2022 3 1.99443e+01 1.31031e+00 2626 2022 4 2.33691e+01 1.73269e+00 1398 2022 5 2.71284e+01 1.49698e+00 2856 2022 6 2.98583e+01 1.32464e+00 2305 2022 7 3.05810e+01 1.32919e+00 2070 2022 8 3.06440e+01 1.29785e+00 1750 2022 9 2.80999e+01 2.03713e+00 1676 2022 10 2.28120e+01 1.90254e+00 3264 2022 11 2.12496e+01 2.51488e+00 1799 2022 12 1.76830e+01 3.46302e+00 2905 2023 1 1.52413e+01 1.49239e+00 2576 2023 2 1.73867e+01 1.91152e+00 1741 2023 3 2.04200e+01 2.50928e+00 2395 2023 4 2.37097e+01 1.36812e+00 1727 2023 5 2.57840e+01 2.08280e+00 2161 2023 6 2.79506e+01 1.68389e+00 2202 2023 7 3.09072e+01 1.49795e+00 2794 2023 8 3.13080e+01 1.09451e+00 2584 2023 9 2.90554e+01 1.53857e+00 2041 2023 10 2.30963e+01 1.63890e+00 2290 2023 11 1.98568e+01 1.93454e+00 1581 2023 12 1.41397e+01 1.51152e+00 1456 2024 1 1.38495e+01 1.84395e+00 1323 2024 2 1.59150e+01 1.32406e+00 2009 2024 3 2.04206e+01 1.31365e+00 1755 2024 4 2.24030e+01 7.76485e-01 136