YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.97682e+01 6.60246e-01 192 2000 3 2.26957e+01 1.00225e+00 512 2000 4 2.38458e+01 1.23298e+00 652 2000 5 2.55024e+01 1.13129e+00 447 2000 6 2.92682e+01 1.32403e+00 459 2000 7 2.95490e+01 8.11033e-01 448 2000 8 3.01637e+01 8.24654e-01 425 2000 9 2.92888e+01 5.87346e-01 448 2000 10 2.40380e+01 1.19867e+00 932 2000 11 2.26656e+01 1.67265e+00 517 2000 12 1.79876e+01 1.74227e+00 462 2001 1 1.42815e+01 2.33646e-01 194 2001 2 2.02610e+01 2.21672e+00 461 2001 3 2.05072e+01 9.58197e-01 468 2001 4 2.34413e+01 1.51029e+00 621 2001 5 2.54762e+01 2.19019e+00 761 2001 6 2.88087e+01 5.69234e-01 197 2001 7 2.86839e+01 9.76151e-01 202 2001 8 2.96588e+01 1.14203e+00 512 2001 9 2.73491e+01 1.95086e+00 512 2001 10 2.43240e+01 1.79514e+00 488 2001 11 2.15529e+01 8.94976e-01 832 2001 12 2.19979e+01 1.33106e+00 642 2002 1 1.81219e+01 2.18656e+00 350 2002 2 1.88820e+01 1.84987e+00 514 2002 3 2.13655e+01 2.01308e+00 447 2002 4 2.51171e+01 1.52491e+00 512 2002 5 2.67663e+01 1.77832e+00 744 2002 6 2.78955e+01 6.83634e-01 418 2002 7 2.89446e+01 1.73505e+00 1680 2002 8 2.93055e+01 1.19143e+00 1638 2002 9 2.91054e+01 1.08467e+00 1865 2002 10 2.76383e+01 1.54182e+00 3377 2002 11 2.26342e+01 2.42470e+00 1975 2002 12 1.73404e+01 1.05365e+00 1160 2003 1 1.46765e+01 1.32553e+00 2027 2003 2 1.71813e+01 1.77072e+00 1253 2003 3 2.27357e+01 1.16823e+00 1251 2003 4 2.29466e+01 1.72213e+00 2737 2003 5 2.75708e+01 1.81208e+00 2497 2003 6 2.84293e+01 1.21865e+00 1528 2003 7 2.98494e+01 2.08547e+00 1308 2003 8 2.86651e+01 1.11653e+00 2047 2003 9 2.87232e+01 1.12533e+00 1816 2003 10 2.57793e+01 1.11599e+00 2406 2003 11 2.31534e+01 1.55091e+00 2635 2003 12 1.71633e+01 1.80098e+00 1441 2004 1 1.66615e+01 1.12827e+00 2306 2004 2 1.73799e+01 1.24355e+00 985 2004 3 2.02833e+01 1.54357e+00 2772 2004 4 2.20912e+01 1.38107e+00 2669 2004 5 2.65973e+01 1.87891e+00 3317 2004 6 3.00010e+01 1.09076e+00 3140 2004 7 2.98941e+01 1.42143e+00 2120 2004 8 2.96392e+01 1.28503e+00 1748 2004 9 2.80560e+01 1.75927e+00 1946 2004 10 2.60461e+01 1.44222e+00 3321 2004 11 2.29037e+01 1.51133e+00 2237 2004 12 1.78168e+01 2.89072e+00 1788 2005 1 1.68483e+01 1.66665e+00 1936 2005 2 1.67453e+01 1.44023e+00 2153 2005 3 1.96220e+01 1.80281e+00 1545 2005 4 2.21912e+01 1.06504e+00 2867 2005 5 2.57099e+01 1.65574e+00 2492 2005 6 2.86657e+01 1.26331e+00 1667 2005 7 2.98899e+01 1.27924e+00 2636 2005 8 3.04334e+01 1.68039e+00 2165 2005 9 2.84959e+01 1.19979e+00 2716 2005 10 2.54098e+01 2.59818e+00 2538 2005 11 2.16960e+01 1.41012e+00 1893 2005 12 1.76921e+01 1.85697e+00 1510 2006 1 1.72466e+01 7.86405e-01 1708 2006 2 1.74095e+01 1.23521e+00 1854 2006 3 2.07478e+01 1.31986e+00 2926 2006 4 2.42358e+01 2.06996e+00 3578 2006 5 2.61871e+01 1.49185e+00 3423 2006 6 2.87893e+01 1.35218e+00 2544 2006 7 2.95593e+01 1.27850e+00 2255 2006 8 3.03399e+01 1.31736e+00 2753 2006 9 2.92024e+01 1.05262e+00 2520 2006 10 2.58018e+01 1.86887e+00 3343 2006 11 2.05837e+01 2.18075e+00 2024 2006 12 1.86531e+01 8.78580e-01 1302 2007 1 1.87263e+01 1.15124e+00 1378 2007 2 1.65363e+01 1.09256e+00 1598 2007 3 2.01681e+01 1.43532e+00 2400 2007 4 2.25723e+01 1.39680e+00 2982 2007 5 2.49157e+01 9.94823e-01 3232 2007 6 2.78741e+01 1.54337e+00 2416 2007 7 3.01269e+01 1.80880e+00 1946 2007 8 3.04121e+01 1.37191e+00 2714 2007 9 2.93095e+01 1.31856e+00 2191 2007 10 2.72108e+01 7.93683e-01 2025 2007 11 2.12141e+01 1.76143e+00 2869 2007 12 2.11204e+01 1.27372e+00 2567 2008 1 1.67280e+01 1.31334e+00 1472 2008 2 1.88669e+01 1.08152e+00 2019 2008 3 1.96071e+01 1.30902e+00 2145 2008 4 2.31619e+01 1.52406e+00 2981 2008 5 2.61663e+01 1.63286e+00 3204 2008 6 2.88003e+01 1.69493e+00 2220 2008 7 2.92173e+01 1.40189e+00 1404 2008 8 2.95120e+01 1.12862e+00 1443 2008 9 2.84243e+01 1.16484e+00 2641 2008 10 2.51968e+01 2.16947e+00 2708 2008 11 1.90462e+01 1.94673e+00 2799 2008 12 1.80671e+01 1.02252e+00 1937 2009 1 1.74854e+01 2.10960e+00 2506 2009 2 1.65643e+01 1.41271e+00 1845 2009 3 1.99961e+01 2.19063e+00 2551 2009 4 2.29336e+01 1.39865e+00 2555 2009 5 2.65768e+01 1.65207e+00 2566 2009 6 2.92234e+01 1.30158e+00 2319 2009 7 2.99022e+01 1.25565e+00 2242 2009 8 2.97348e+01 1.32781e+00 2186 2009 9 2.95068e+01 1.27002e+00 2072 2009 10 2.71757e+01 2.61452e+00 3207 2009 11 2.21910e+01 1.71387e+00 1607 2009 12 1.82678e+01 1.46354e+00 929 2010 1 1.37453e+01 2.71724e+00 1565 2010 2 1.46809e+01 1.22773e+00 1400 2010 3 1.66414e+01 1.94176e+00 2416 2010 4 2.22165e+01 1.85159e+00 2124 2010 5 2.74525e+01 1.72359e+00 3566 2010 6 3.05093e+01 1.11383e+00 2852 2010 7 2.94699e+01 1.33022e+00 2430 2010 8 3.01902e+01 1.95685e+00 1679 2010 9 2.91303e+01 1.19811e+00 2806 2010 10 2.57746e+01 1.16066e+00 4180 2010 11 2.15819e+01 1.73784e+00 3139 2010 12 1.61158e+01 2.93948e+00 2259 2011 1 1.46337e+01 1.17172e+00 1631 2011 2 1.77012e+01 1.61844e+00 1821 2011 3 2.12763e+01 1.45878e+00 2721 2011 4 2.52100e+01 1.52268e+00 3725 2011 5 2.70702e+01 1.25405e+00 3641 2011 6 2.91076e+01 1.45142e+00 2568 2011 7 2.97803e+01 1.60327e+00 1921 2011 8 3.01682e+01 1.05606e+00 2054 2011 9 2.86964e+01 1.14213e+00 2109 2011 10 2.50672e+01 2.09025e+00 2452 2011 11 2.10808e+01 1.02306e+00 2438 2011 12 1.94626e+01 8.32814e-01 2709 2012 1 1.76194e+01 1.51798e+00 2026 2012 2 1.84681e+01 1.87994e+00 1342 2012 3 2.28768e+01 1.40740e+00 2992 2012 4 2.41731e+01 1.31937e+00 2734 2012 5 2.70808e+01 1.62060e+00 3037 2012 6 2.81507e+01 1.33644e+00 1788 2012 7 2.92755e+01 1.41347e+00 2247 2012 8 2.99629e+01 1.56353e+00 1935 2012 9 2.83848e+01 1.60381e+00 2053 2012 10 2.61708e+01 2.07146e+00 2521 2012 11 2.00875e+01 1.09628e+00 2362 2012 12 1.95075e+01 1.75441e+00 1741 2013 1 1.88844e+01 9.28990e-01 1604 2013 2 1.84843e+01 1.13051e+00 2075 2013 3 1.84208e+01 1.50260e+00 2455 2013 4 2.30262e+01 2.67123e+00 1782 2013 5 2.61725e+01 1.30411e+00 2887 2013 6 2.88535e+01 1.94819e+00 1940 2013 7 2.96253e+01 1.73122e+00 1354 2013 8 3.04964e+01 1.28316e+00 2230 2013 9 2.94416e+01 1.52267e+00 2385 2013 10 2.67214e+01 1.71688e+00 2687 2013 11 2.23555e+01 1.78739e+00 1589 2013 12 2.02004e+01 1.27541e+00 1857 2014 1 1.61739e+01 1.09204e+00 1380 2014 2 1.82993e+01 1.24821e+00 1315 2014 3 2.03131e+01 1.21838e+00 2028 2014 4 2.29413e+01 2.03072e+00 2126 2014 5 2.58599e+01 1.42448e+00 2281 2014 6 2.86995e+01 1.81256e+00 2453 2014 7 3.00298e+01 1.36027e+00 1656 2014 8 3.05526e+01 1.20929e+00 2551 2014 9 2.97583e+01 1.37020e+00 1424 2014 10 2.62612e+01 1.50351e+00 3078 2014 11 2.05728e+01 1.95424e+00 2084 2014 12 1.83718e+01 1.07409e+00 1936 2015 1 1.81373e+01 1.48856e+00 1580 2015 2 1.66364e+01 1.10445e+00 1884 2015 3 2.26407e+01 2.28313e+00 2744 2015 4 2.49748e+01 1.76072e+00 1919 2015 5 2.75042e+01 1.75859e+00 3201 2015 6 2.99435e+01 1.33037e+00 2289 2015 7 3.00138e+01 1.39099e+00 1889 2015 8 3.01342e+01 1.85747e+00 1863 2015 9 2.93113e+01 1.54277e+00 1314 2015 10 2.64321e+01 1.61007e+00 2092 2015 11 2.42785e+01 2.21085e+00 2600 2015 12 2.12678e+01 1.48056e+00 1627 2016 1 1.82072e+01 2.50532e+00 1302 2016 2 1.71415e+01 1.49325e+00 1881 2016 3 2.01036e+01 2.05265e+00 1417 2016 4 2.40955e+01 1.45952e+00 2536 2016 5 2.68133e+01 1.53778e+00 2903 2016 6 2.92021e+01 1.26860e+00 2293 2016 7 3.08780e+01 1.44517e+00 2351 2016 8 3.05661e+01 1.15434e+00 2112 2016 9 2.99323e+01 1.30706e+00 2643 2016 10 2.60223e+01 1.63501e+00 2506 2016 11 2.21901e+01 1.91484e+00 2512 2016 12 2.07906e+01 1.01183e+00 2879 2017 1 1.89820e+01 1.55456e+00 2171 2017 2 1.98723e+01 1.26030e+00 2218 2017 3 2.12002e+01 1.45693e+00 3022 2017 4 2.40447e+01 1.30972e+00 2669 2017 5 2.63639e+01 1.55231e+00 2354 2017 6 2.89980e+01 1.68478e+00 1216 2017 7 3.05417e+01 1.31035e+00 2377 2017 8 3.08321e+01 1.51228e+00 2222 2017 9 2.93869e+01 1.34715e+00 2427 2017 10 2.58575e+01 2.04138e+00 2516 2017 11 2.20695e+01 8.87823e-01 3183 2017 12 2.03169e+01 1.70709e+00 2674 2018 1 1.48860e+01 9.29808e-01 1521 2018 2 2.09313e+01 2.79300e+00 2556 2018 3 2.05342e+01 1.47702e+00 3214 2018 4 2.40894e+01 1.20015e+00 2675 2018 5 2.54822e+01 1.53709e+00 1563 2018 6 2.92232e+01 1.63739e+00 2101 2018 7 2.97180e+01 1.39260e+00 1971 2018 8 3.06474e+01 1.38127e+00 2312 2018 9 2.98625e+01 1.64535e+00 2743 2018 10 2.77870e+01 1.58452e+00 3174 2018 11 2.40176e+01 1.74487e+00 2015 2018 12 1.87772e+01 1.62188e+00 1589 2019 1 1.81851e+01 2.09855e+00 1948 2019 2 1.97068e+01 2.51096e+00 1935 2019 3 2.16289e+01 1.24052e+00 2607 2019 4 2.41770e+01 1.48168e+00 2587 2019 5 2.78542e+01 1.52235e+00 3159 2019 6 3.03257e+01 1.41896e+00 2162 2019 7 3.02139e+01 1.33384e+00 2303 2019 8 3.02237e+01 1.24910e+00 1583 2019 9 2.91062e+01 1.35540e+00 3025 2019 10 2.72935e+01 1.04821e+00 2381 2019 11 2.29658e+01 2.54512e+00 2295 2019 12 1.98564e+01 1.07686e+00 1462 2020 1 1.90926e+01 1.36601e+00 2498 2020 2 1.91172e+01 1.52207e+00 2095 2020 3 2.30291e+01 2.95189e+00 2685 2020 4 2.53417e+01 1.05399e+00 1718 2020 5 2.60033e+01 1.38940e+00 3011 2020 6 2.98668e+01 1.20590e+00 1674 2020 7 3.03148e+01 1.17475e+00 2071 2020 8 3.15320e+01 1.29280e+00 1040 2020 9 2.98269e+01 1.58268e+00 1359 2020 10 2.72770e+01 9.68437e-01 1826 2020 11 2.34408e+01 1.53568e+00 2171 2020 12 1.77217e+01 1.34786e+00 2737 2021 1 1.75184e+01 9.74681e-01 1686 2021 2 1.93939e+01 1.93245e+00 2570 2021 3 2.12422e+01 1.41736e+00 2575 2021 4 2.39442e+01 1.85189e+00 2541 2021 5 2.66971e+01 1.35673e+00 3249 2021 6 2.86692e+01 1.34754e+00 1358 2021 7 3.00454e+01 1.37241e+00 1527 2021 8 3.00346e+01 1.08621e+00 1804 2021 9 2.94842e+01 1.02086e+00 2316 2021 10 2.76605e+01 1.60662e+00 2730 2021 11 2.10166e+01 1.64704e+00 2696 2021 12 2.06105e+01 1.19411e+00 3122 2022 1 1.89089e+01 2.28979e+00 2722 2022 2 1.82283e+01 2.14834e+00 2548 2022 3 2.23089e+01 9.11808e-01 3638 2022 4 2.45269e+01 9.04208e-01 1797 2022 5 2.76631e+01 1.36517e+00 2399 2022 6 2.94986e+01 1.56996e+00 2285 2022 7 3.13566e+01 1.19151e+00 2582 2022 8 3.04606e+01 1.19380e+00 1790 2022 9 2.95747e+01 1.84731e+00 2317 2022 10 2.46586e+01 1.62482e+00 2638 2022 11 2.35933e+01 2.02426e+00 1884 2022 12 2.00484e+01 2.86793e+00 2286 2023 1 1.76999e+01 1.15082e+00 2690 2023 2 2.05000e+01 1.46139e+00 2799 2023 3 2.32650e+01 1.80941e+00 3613 2023 4 2.51801e+01 1.01201e+00 2116 2023 5 2.71380e+01 1.58803e+00 3507 2023 6 2.89720e+01 1.48984e+00 2341 2023 7 3.12583e+01 9.59743e-01 1840 2023 8 3.14312e+01 1.30010e+00 3018 2023 9 3.00270e+01 1.12882e+00 2623 2023 10 2.53515e+01 2.05375e+00 2490 2023 11 2.28283e+01 1.27447e+00 1885 2023 12 1.78390e+01 1.43785e+00 924 2024 1 1.70225e+01 8.84099e-01 966 2024 2 1.81787e+01 7.82580e-01 2350 2024 3 2.26289e+01 1.09964e+00 1621 2024 4 2.43034e+01 1.40862e-01 64