YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.78728e+01 2.05625e-01 147 2000 3 1.99815e+01 1.98160e+00 776 2000 4 2.19864e+01 1.20208e+00 736 2000 5 2.61652e+01 1.95182e+00 919 2000 6 2.79965e+01 8.40456e-01 384 2000 7 2.89525e+01 9.68955e-01 410 2000 8 2.96286e+01 1.20987e+00 201 2000 9 2.69784e+01 1.81151e+00 275 2000 10 2.29740e+01 1.73553e+00 721 2000 11 2.11545e+01 2.45698e+00 395 2000 12 1.41846e+01 7.94141e-01 110 2001 1 1.24373e+01 3.98137e-02 64 2001 2 1.68449e+01 2.35653e+00 359 2001 3 1.62263e+01 1.31724e+00 478 2001 4 2.13950e+01 2.17253e+00 768 2001 5 2.55601e+01 1.65628e+00 675 2001 6 2.79729e+01 7.26113e-01 196 2001 7 2.91699e+01 4.52485e-01 134 2001 8 2.93796e+01 1.01931e+00 443 2001 9 2.73744e+01 1.51239e+00 384 2001 10 2.25674e+01 1.68022e+00 484 2001 11 1.96312e+01 8.25092e-01 704 2001 12 1.91300e+01 2.51281e+00 524 2002 1 1.82229e+01 6.36262e-02 64 2002 2 1.57504e+01 1.47671e+00 388 2002 3 2.06898e+01 1.42972e+00 218 2002 4 2.47394e+01 2.05851e+00 476 2002 5 2.65154e+01 1.57358e+00 746 2002 6 2.85129e+01 9.23678e-01 348 2002 7 2.91805e+01 1.27955e+00 1717 2002 8 2.89404e+01 1.09763e+00 1825 2002 9 2.80196e+01 1.36465e+00 1636 2002 10 2.68042e+01 1.87422e+00 2976 2002 11 2.07535e+01 2.71313e+00 1778 2002 12 1.46884e+01 1.13011e+00 1068 2003 1 1.18252e+01 1.36256e+00 1733 2003 2 1.48006e+01 1.77630e+00 754 2003 3 2.11553e+01 1.29612e+00 1377 2003 4 2.16806e+01 1.81233e+00 2583 2003 5 2.68863e+01 1.46072e+00 2601 2003 6 2.81449e+01 1.82257e+00 1579 2003 7 3.00416e+01 1.05838e+00 1140 2003 8 2.87022e+01 1.33787e+00 1940 2003 9 2.79748e+01 1.01462e+00 1785 2003 10 2.40080e+01 9.44938e-01 2606 2003 11 2.16078e+01 1.80123e+00 2856 2003 12 1.46033e+01 1.43753e+00 1178 2004 1 1.32975e+01 9.14167e-01 1377 2004 2 1.37506e+01 7.50254e-01 597 2004 3 1.87272e+01 1.75677e+00 2777 2004 4 2.03716e+01 2.01084e+00 2212 2004 5 2.61813e+01 2.09904e+00 3587 2004 6 2.97071e+01 1.14128e+00 2338 2004 7 3.01265e+01 1.36458e+00 2188 2004 8 2.97826e+01 1.40662e+00 2260 2004 9 2.70124e+01 2.18315e+00 2019 2004 10 2.47870e+01 1.69549e+00 2578 2004 11 2.18097e+01 2.60764e+00 2155 2004 12 1.61845e+01 2.46592e+00 1452 2005 1 1.40992e+01 1.63603e+00 905 2005 2 1.41190e+01 1.03631e+00 1071 2005 3 1.65035e+01 1.86520e+00 1696 2005 4 2.05755e+01 7.89397e-01 2642 2005 5 2.51180e+01 2.20222e+00 3183 2005 6 2.85316e+01 1.38777e+00 2121 2005 7 3.02650e+01 1.78095e+00 2176 2005 8 2.99486e+01 1.72348e+00 2060 2005 9 2.79221e+01 1.09458e+00 2634 2005 10 2.45638e+01 2.81319e+00 3006 2005 11 1.97529e+01 1.97857e+00 1762 2005 12 1.47754e+01 1.94759e+00 1411 2006 1 1.49997e+01 1.20090e+00 1460 2006 2 1.45002e+01 1.37474e+00 1620 2006 3 1.85592e+01 1.42668e+00 3003 2006 4 2.29281e+01 2.30211e+00 2951 2006 5 2.53322e+01 1.69017e+00 2996 2006 6 2.82904e+01 1.40494e+00 2901 2006 7 2.99298e+01 1.37034e+00 2766 2006 8 3.02877e+01 1.18935e+00 2296 2006 9 2.83691e+01 1.45088e+00 2561 2006 10 2.41866e+01 2.03350e+00 2743 2006 11 1.86967e+01 1.61180e+00 1655 2006 12 1.58536e+01 1.49652e+00 798 2007 1 1.48560e+01 1.19644e+00 1057 2007 2 1.35156e+01 1.12991e+00 1298 2007 3 1.89987e+01 1.63174e+00 2791 2007 4 2.08485e+01 2.07391e+00 2194 2007 5 2.43945e+01 9.27802e-01 3331 2007 6 2.79668e+01 1.68620e+00 2472 2007 7 3.01068e+01 1.48266e+00 1781 2007 8 3.03149e+01 1.47787e+00 2529 2007 9 2.83680e+01 1.45706e+00 2007 2007 10 2.61208e+01 9.20356e-01 1703 2007 11 1.89415e+01 1.69304e+00 2978 2007 12 1.75326e+01 1.39201e+00 1574 2008 1 1.33337e+01 1.96836e+00 895 2008 2 1.65837e+01 1.31180e+00 1455 2008 3 1.80368e+01 1.81195e+00 2242 2008 4 2.20229e+01 1.27140e+00 2619 2008 5 2.50871e+01 1.70718e+00 2807 2008 6 2.91330e+01 1.30568e+00 2369 2008 7 2.98749e+01 1.26999e+00 1698 2008 8 2.84463e+01 1.51838e+00 1474 2008 9 2.74339e+01 1.79847e+00 2557 2008 10 2.35164e+01 2.21651e+00 3132 2008 11 1.73017e+01 2.02420e+00 2139 2008 12 1.55298e+01 1.31290e+00 1335 2009 1 1.48262e+01 2.28190e+00 1773 2009 2 1.39579e+01 1.34720e+00 1483 2009 3 1.82397e+01 2.66549e+00 1936 2009 4 2.19640e+01 1.46831e+00 2336 2009 5 2.64159e+01 1.24535e+00 2420 2009 6 2.88561e+01 1.26490e+00 2730 2009 7 2.91863e+01 1.37878e+00 2389 2009 8 2.97042e+01 1.55163e+00 2339 2009 9 2.83519e+01 1.06044e+00 2235 2009 10 2.56768e+01 2.77681e+00 2662 2009 11 1.95284e+01 1.36678e+00 1853 2009 12 1.41826e+01 1.88410e+00 495 2010 1 1.12091e+01 3.17345e+00 1197 2010 2 1.20756e+01 1.23573e+00 1737 2010 3 1.57393e+01 2.03833e+00 1852 2010 4 2.16670e+01 1.36885e+00 2436 2010 5 2.67463e+01 2.09157e+00 3009 2010 6 3.04772e+01 1.37245e+00 2901 2010 7 3.00378e+01 1.48297e+00 2705 2010 8 3.04037e+01 1.26861e+00 1338 2010 9 2.89530e+01 1.55119e+00 2745 2010 10 2.44726e+01 9.46399e-01 4005 2010 11 1.96223e+01 1.48203e+00 2926 2010 12 1.41483e+01 3.12075e+00 1693 2011 1 1.12663e+01 1.00353e+00 1417 2011 2 1.46718e+01 2.23693e+00 931 2011 3 1.93146e+01 1.54660e+00 2242 2011 4 2.37939e+01 1.61270e+00 3614 2011 5 2.58680e+01 1.52640e+00 4097 2011 6 2.95483e+01 1.40956e+00 2606 2011 7 2.96463e+01 1.02353e+00 1759 2011 8 3.05495e+01 1.30806e+00 2932 2011 9 2.81616e+01 1.15562e+00 2440 2011 10 2.35313e+01 2.04828e+00 2571 2011 11 1.87055e+01 1.00829e+00 2208 2011 12 1.61274e+01 8.48104e-01 1191 2012 1 1.50531e+01 1.70224e+00 2060 2012 2 1.60962e+01 1.21665e+00 785 2012 3 2.13966e+01 2.26699e+00 2913 2012 4 2.34388e+01 1.08507e+00 3254 2012 5 2.70644e+01 9.70514e-01 3256 2012 6 2.74362e+01 1.14565e+00 1965 2012 7 2.99125e+01 2.17296e+00 2082 2012 8 2.88250e+01 1.71712e+00 1709 2012 9 2.84343e+01 1.45714e+00 2048 2012 10 2.46645e+01 2.49556e+00 2543 2012 11 1.82351e+01 8.21463e-01 2095 2012 12 1.66307e+01 1.63373e+00 1436 2013 1 1.51898e+01 1.39146e+00 1269 2013 2 1.61169e+01 1.79218e+00 1741 2013 3 1.57644e+01 1.52490e+00 2645 2013 4 2.11874e+01 2.17582e+00 2233 2013 5 2.49357e+01 2.17986e+00 2679 2013 6 2.84512e+01 1.46124e+00 2462 2013 7 2.82990e+01 1.76795e+00 1394 2013 8 2.99751e+01 1.71384e+00 2439 2013 9 2.95426e+01 1.61073e+00 2563 2013 10 2.49310e+01 1.93100e+00 2337 2013 11 1.96477e+01 2.33968e+00 1733 2013 12 1.69843e+01 1.74404e+00 951 2014 1 1.25818e+01 8.80361e-01 967 2014 2 1.46979e+01 2.24035e+00 1250 2014 3 1.75529e+01 1.67355e+00 1945 2014 4 2.12299e+01 1.92353e+00 2076 2014 5 2.56371e+01 1.40076e+00 2475 2014 6 2.88510e+01 1.72413e+00 1906 2014 7 3.01998e+01 1.29671e+00 2140 2014 8 3.00360e+01 1.05483e+00 2806 2014 9 2.84715e+01 1.41471e+00 1182 2014 10 2.51522e+01 1.73371e+00 3386 2014 11 1.75651e+01 2.37681e+00 2071 2014 12 1.58695e+01 1.16313e+00 1373 2015 1 1.44687e+01 1.10097e+00 1810 2015 2 1.33773e+01 1.05761e+00 1573 2015 3 1.94321e+01 2.48756e+00 1600 2015 4 2.30234e+01 1.92657e+00 1037 2015 5 2.68825e+01 1.81691e+00 3748 2015 6 2.98216e+01 1.28566e+00 2381 2015 7 2.94311e+01 1.27595e+00 1675 2015 8 3.00040e+01 1.56334e+00 2255 2015 9 2.78577e+01 1.91784e+00 1236 2015 10 2.41889e+01 1.23970e+00 2142 2015 11 2.24015e+01 3.00558e+00 1907 2015 12 1.86610e+01 1.17880e+00 1015 2016 1 1.47942e+01 1.98637e+00 1349 2016 2 1.42306e+01 1.68197e+00 1444 2016 3 1.86115e+01 2.19113e+00 1563 2016 4 2.23445e+01 1.85509e+00 2162 2016 5 2.60920e+01 1.56687e+00 3114 2016 6 2.97134e+01 1.01088e+00 2507 2016 7 3.14468e+01 9.16031e-01 2774 2016 8 3.03311e+01 1.40900e+00 2324 2016 9 2.90311e+01 1.43239e+00 2518 2016 10 2.53845e+01 1.56921e+00 2682 2016 11 2.04081e+01 2.40736e+00 2567 2016 12 1.77240e+01 1.71939e+00 1562 2017 1 1.58797e+01 1.54892e+00 1379 2017 2 1.79890e+01 1.74098e+00 2019 2017 3 1.89044e+01 2.30011e+00 2532 2017 4 2.31621e+01 1.46025e+00 2578 2017 5 2.51398e+01 1.70685e+00 2220 2017 6 2.87035e+01 1.66408e+00 1687 2017 7 3.02994e+01 1.37304e+00 1407 2017 8 3.00131e+01 1.41271e+00 2234 2017 9 2.79221e+01 1.75559e+00 2520 2017 10 2.51473e+01 2.45011e+00 2964 2017 11 1.99907e+01 1.31225e+00 2871 2017 12 1.71513e+01 2.20889e+00 1131 2018 1 1.12955e+01 1.42045e+00 1270 2018 2 1.95263e+01 3.15323e+00 1074 2018 3 1.82962e+01 1.85041e+00 2441 2018 4 2.13019e+01 1.36655e+00 2417 2018 5 2.55834e+01 1.57457e+00 2167 2018 6 2.99269e+01 1.46579e+00 1957 2018 7 2.97461e+01 1.29988e+00 1752 2018 8 3.00679e+01 1.37190e+00 1659 2018 9 3.03336e+01 1.16366e+00 2893 2018 10 2.66594e+01 2.38981e+00 2692 2018 11 1.96206e+01 2.04830e+00 1231 2018 12 1.59526e+01 1.80239e+00 1264 2019 1 1.51577e+01 1.87130e+00 1325 2019 2 1.81088e+01 2.81138e+00 1122 2019 3 1.87328e+01 1.47683e+00 2056 2019 4 2.22205e+01 1.65239e+00 2229 2019 5 2.77322e+01 1.87385e+00 3436 2019 6 2.91512e+01 1.26742e+00 1735 2019 7 2.99093e+01 1.47078e+00 1853 2019 8 3.02574e+01 1.03180e+00 2131 2019 9 2.92257e+01 9.51177e-01 3199 2019 10 2.62002e+01 2.15020e+00 2325 2019 11 1.87448e+01 2.43671e+00 1870 2019 12 1.65079e+01 1.23822e+00 1665 2020 1 1.59408e+01 1.69393e+00 2181 2020 2 1.57797e+01 1.42464e+00 1805 2020 3 2.15111e+01 3.55681e+00 2431 2020 4 2.40497e+01 9.94714e-01 2114 2020 5 2.49516e+01 1.44852e+00 2798 2020 6 2.95488e+01 1.21642e+00 2218 2020 7 2.99120e+01 1.24909e+00 1993 2020 8 3.09898e+01 1.36897e+00 1252 2020 9 2.81108e+01 2.26842e+00 1798 2020 10 2.56262e+01 9.22940e-01 2421 2020 11 2.15708e+01 1.79757e+00 2952 2020 12 1.50979e+01 1.65500e+00 2472 2021 1 1.40338e+01 1.57577e+00 1884 2021 2 1.63484e+01 1.92762e+00 1769 2021 3 1.88771e+01 1.78909e+00 2108 2021 4 2.18035e+01 1.44678e+00 2429 2021 5 2.55832e+01 1.33688e+00 2468 2021 6 2.77038e+01 1.66082e+00 1251 2021 7 2.95771e+01 1.20597e+00 1432 2021 8 3.02859e+01 1.45516e+00 1870 2021 9 2.86844e+01 1.36890e+00 2131 2021 10 2.58994e+01 1.80493e+00 2508 2021 11 1.88217e+01 1.42906e+00 2743 2021 12 1.77902e+01 1.20726e+00 2396 2022 1 1.59460e+01 2.49868e+00 2617 2022 2 1.57863e+01 2.41502e+00 2285 2022 3 1.94604e+01 1.10121e+00 2760 2022 4 2.32326e+01 1.21694e+00 1825 2022 5 2.68171e+01 1.38357e+00 2976 2022 6 2.97096e+01 1.19517e+00 2728 2022 7 3.04835e+01 1.22541e+00 2172 2022 8 3.08009e+01 1.34142e+00 2029 2022 9 2.82411e+01 1.87110e+00 1856 2022 10 2.30338e+01 1.46384e+00 3373 2022 11 2.11692e+01 2.36079e+00 1722 2022 12 1.73738e+01 3.05586e+00 3207 2023 1 1.46776e+01 1.07856e+00 2638 2023 2 1.69854e+01 1.49824e+00 1873 2023 3 2.05574e+01 1.97476e+00 2709 2023 4 2.29095e+01 1.17909e+00 2078 2023 5 2.57383e+01 1.65682e+00 2324 2023 6 2.73630e+01 1.57080e+00 2354 2023 7 3.05115e+01 1.34094e+00 3014 2023 8 3.12553e+01 9.13143e-01 2564 2023 9 2.91089e+01 1.36940e+00 2104 2023 10 2.35895e+01 1.54690e+00 2748 2023 11 2.03878e+01 1.56739e+00 1973 2023 12 1.44480e+01 1.39775e+00 1461 2024 1 1.37525e+01 1.17046e+00 1392 2024 2 1.54366e+01 9.13600e-01 2204 2024 3 2.03014e+01 1.27148e+00 1654 2024 4 2.18775e+01 1.19831e+00 162