YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.87861e+01 4.19736e-01 169 2000 3 2.09215e+01 1.43332e+00 759 2000 4 2.18154e+01 1.21266e+00 578 2000 5 2.59455e+01 1.83872e+00 726 2000 6 2.79201e+01 1.21220e+00 499 2000 7 2.86298e+01 8.20066e-01 439 2000 8 2.97166e+01 5.55532e-01 258 2000 9 2.75936e+01 1.12552e+00 353 2000 10 2.30152e+01 1.74672e+00 844 2000 11 2.23907e+01 1.51994e+00 340 2000 12 1.46900e+01 1.22536e-01 20 2001 1 1.20036e+01 8.44304e-02 64 2001 2 1.86109e+01 2.33357e+00 334 2001 3 1.57462e+01 1.07913e+00 388 2001 4 2.18804e+01 1.95441e+00 725 2001 5 2.58886e+01 9.19694e-01 768 2001 6 2.84449e+01 1.05554e+00 318 2001 7 2.85831e+01 1.40647e+00 187 2001 8 2.92441e+01 1.77082e+00 570 2001 9 2.65882e+01 1.46242e+00 463 2001 10 2.27036e+01 2.09459e+00 278 2001 11 1.95190e+01 1.05936e+00 761 2001 12 1.91533e+01 2.54895e+00 517 2002 1 1.70876e+01 1.91326e+00 157 2002 2 1.66298e+01 2.02573e+00 320 2002 3 1.86022e+01 2.15440e+00 227 2002 4 2.49791e+01 2.15811e+00 575 2002 5 2.61238e+01 2.08252e+00 837 2002 6 2.86521e+01 4.52459e-01 466 2002 7 2.91912e+01 1.43061e+00 1641 2002 8 2.89373e+01 1.18052e+00 1797 2002 9 2.86330e+01 1.05672e+00 1787 2002 10 2.67167e+01 1.93745e+00 2757 2002 11 2.02020e+01 2.61587e+00 1829 2002 12 1.41298e+01 9.30927e-01 816 2003 1 1.16222e+01 1.45097e+00 1362 2003 2 1.49343e+01 2.76555e+00 975 2003 3 2.13839e+01 1.60984e+00 1412 2003 4 2.20647e+01 2.08678e+00 2481 2003 5 2.72828e+01 1.36948e+00 2725 2003 6 2.85301e+01 1.55162e+00 1786 2003 7 2.93443e+01 1.67491e+00 1235 2003 8 2.88720e+01 1.46231e+00 2012 2003 9 2.78083e+01 1.04890e+00 1782 2003 10 2.40241e+01 1.25634e+00 2576 2003 11 2.14183e+01 1.66991e+00 2500 2003 12 1.40201e+01 1.06318e+00 745 2004 1 1.33960e+01 1.26166e+00 1559 2004 2 1.34706e+01 1.07678e+00 766 2004 3 1.89365e+01 1.85667e+00 2802 2004 4 2.06666e+01 2.07368e+00 2567 2004 5 2.65773e+01 1.86321e+00 3540 2004 6 2.98584e+01 1.23486e+00 2158 2004 7 3.02011e+01 1.30124e+00 2070 2004 8 2.95432e+01 1.72049e+00 2477 2004 9 2.67236e+01 1.95871e+00 1812 2004 10 2.47625e+01 1.85062e+00 2638 2004 11 2.13297e+01 2.68243e+00 2005 2004 12 1.68243e+01 1.93462e+00 1063 2005 1 1.48642e+01 2.37280e+00 1238 2005 2 1.46458e+01 1.44574e+00 1196 2005 3 1.70241e+01 1.86254e+00 1706 2005 4 2.06668e+01 8.84023e-01 2943 2005 5 2.51779e+01 2.17788e+00 2981 2005 6 2.84565e+01 1.47703e+00 1756 2005 7 3.06690e+01 1.64871e+00 2076 2005 8 3.04599e+01 1.97704e+00 1855 2005 9 2.77584e+01 1.39180e+00 2615 2005 10 2.50071e+01 2.90367e+00 2394 2005 11 1.99869e+01 2.02016e+00 1846 2005 12 1.49546e+01 2.00741e+00 1308 2006 1 1.50239e+01 1.58332e+00 1447 2006 2 1.46875e+01 1.65505e+00 1492 2006 3 1.89960e+01 1.49537e+00 3094 2006 4 2.33713e+01 2.04036e+00 2806 2006 5 2.54629e+01 1.82325e+00 3489 2006 6 2.84074e+01 1.34332e+00 3201 2006 7 3.01172e+01 1.13936e+00 2698 2006 8 3.03870e+01 1.08161e+00 2525 2006 9 2.84295e+01 1.74305e+00 2742 2006 10 2.37544e+01 2.37777e+00 2493 2006 11 1.86677e+01 1.51338e+00 1347 2006 12 1.63162e+01 1.33818e+00 655 2007 1 1.50083e+01 1.90994e+00 1121 2007 2 1.39189e+01 1.60464e+00 1341 2007 3 1.95628e+01 2.12162e+00 3263 2007 4 2.12468e+01 2.21180e+00 2482 2007 5 2.45756e+01 1.16381e+00 3180 2007 6 2.83759e+01 1.28130e+00 2255 2007 7 3.00906e+01 1.62257e+00 1912 2007 8 3.05686e+01 1.39743e+00 2716 2007 9 2.85284e+01 1.25539e+00 2009 2007 10 2.62006e+01 9.43811e-01 1885 2007 11 1.88552e+01 1.65184e+00 2741 2007 12 1.79589e+01 1.75137e+00 1611 2008 1 1.36916e+01 2.55726e+00 577 2008 2 1.68599e+01 1.74506e+00 1718 2008 3 1.82049e+01 2.00663e+00 2254 2008 4 2.22554e+01 1.65286e+00 2567 2008 5 2.54104e+01 1.48671e+00 2871 2008 6 2.92876e+01 1.34913e+00 2406 2008 7 2.98384e+01 1.51012e+00 1590 2008 8 2.86553e+01 1.47847e+00 1563 2008 9 2.74850e+01 2.01032e+00 2482 2008 10 2.33175e+01 2.50890e+00 2935 2008 11 1.66331e+01 2.61666e+00 2070 2008 12 1.57572e+01 1.59727e+00 1507 2009 1 1.44397e+01 2.66837e+00 1637 2009 2 1.41298e+01 1.81774e+00 1896 2009 3 1.84896e+01 3.28657e+00 2169 2009 4 2.22463e+01 1.63362e+00 2631 2009 5 2.63391e+01 1.63571e+00 2489 2009 6 2.91084e+01 1.27081e+00 2584 2009 7 2.89696e+01 1.29774e+00 1842 2009 8 2.98184e+01 1.81872e+00 2162 2009 9 2.86738e+01 1.02496e+00 2219 2009 10 2.61160e+01 2.80560e+00 2539 2009 11 1.93821e+01 1.75381e+00 1622 2009 12 1.34787e+01 2.05847e+00 450 2010 1 1.33733e+01 2.61080e+00 840 2010 2 1.18597e+01 1.25466e+00 1507 2010 3 1.56064e+01 2.14329e+00 2310 2010 4 2.17635e+01 1.82246e+00 2228 2010 5 2.70370e+01 1.74329e+00 3140 2010 6 3.05304e+01 1.43240e+00 2556 2010 7 2.99148e+01 1.68492e+00 2515 2010 8 2.99396e+01 1.60097e+00 1547 2010 9 2.91812e+01 1.64110e+00 2605 2010 10 2.43431e+01 1.17854e+00 3920 2010 11 1.95437e+01 1.68649e+00 2359 2010 12 1.46265e+01 2.60854e+00 1111 2011 1 1.13920e+01 1.50138e+00 1488 2011 2 1.54916e+01 2.98259e+00 951 2011 3 1.97878e+01 1.82218e+00 2263 2011 4 2.40481e+01 1.73066e+00 3757 2011 5 2.62380e+01 1.87707e+00 4126 2011 6 2.95688e+01 1.62298e+00 2431 2011 7 2.99229e+01 1.08836e+00 1890 2011 8 3.06243e+01 1.12837e+00 2759 2011 9 2.81986e+01 1.06384e+00 2846 2011 10 2.30248e+01 2.17931e+00 2243 2011 11 1.86060e+01 1.35753e+00 1944 2011 12 1.60574e+01 1.16501e+00 1156 2012 1 1.53425e+01 2.07701e+00 1924 2012 2 1.60470e+01 2.65923e+00 494 2012 3 2.18758e+01 2.20299e+00 2938 2012 4 2.35148e+01 1.41738e+00 3248 2012 5 2.72119e+01 9.91075e-01 3077 2012 6 2.73221e+01 1.77689e+00 1828 2012 7 2.99372e+01 1.73021e+00 2367 2012 8 2.92997e+01 1.65941e+00 1787 2012 9 2.80242e+01 1.60286e+00 2089 2012 10 2.43180e+01 2.35017e+00 2185 2012 11 1.79106e+01 1.21545e+00 2141 2012 12 1.67066e+01 2.14601e+00 1590 2013 1 1.60042e+01 1.65090e+00 1420 2013 2 1.61420e+01 1.89628e+00 1648 2013 3 1.60437e+01 1.78100e+00 2800 2013 4 2.13648e+01 2.12007e+00 2408 2013 5 2.50112e+01 2.39556e+00 2811 2013 6 2.82740e+01 1.79578e+00 2624 2013 7 2.86342e+01 1.44135e+00 1232 2013 8 3.01615e+01 1.89111e+00 2339 2013 9 2.95936e+01 1.71568e+00 2401 2013 10 2.47287e+01 2.20800e+00 2825 2013 11 1.92856e+01 2.44332e+00 1320 2013 12 1.69582e+01 2.25609e+00 995 2014 1 1.24722e+01 1.14586e+00 848 2014 2 1.48045e+01 1.90517e+00 1271 2014 3 1.74890e+01 1.69032e+00 2026 2014 4 2.15041e+01 2.25023e+00 2342 2014 5 2.53573e+01 1.70212e+00 2398 2014 6 2.86808e+01 1.88364e+00 2149 2014 7 3.04593e+01 1.40258e+00 1923 2014 8 2.98714e+01 1.21780e+00 2260 2014 9 2.82561e+01 1.34622e+00 885 2014 10 2.48038e+01 1.86220e+00 3237 2014 11 1.67568e+01 2.26046e+00 1460 2014 12 1.63510e+01 1.42514e+00 1400 2015 1 1.44375e+01 1.28688e+00 1779 2015 2 1.35986e+01 1.50503e+00 1612 2015 3 1.94623e+01 2.39761e+00 1594 2015 4 2.35227e+01 2.12425e+00 1260 2015 5 2.70630e+01 2.05350e+00 4108 2015 6 3.01737e+01 1.28100e+00 2254 2015 7 2.94721e+01 1.71498e+00 1851 2015 8 3.02450e+01 1.67080e+00 2149 2015 9 2.76738e+01 1.84054e+00 1222 2015 10 2.39969e+01 1.65108e+00 2046 2015 11 2.27066e+01 3.41454e+00 2310 2015 12 1.83518e+01 1.85581e+00 966 2016 1 1.39520e+01 1.43185e+00 1266 2016 2 1.45276e+01 1.77159e+00 1607 2016 3 1.86827e+01 2.19874e+00 1318 2016 4 2.25623e+01 1.97028e+00 2357 2016 5 2.63640e+01 1.73406e+00 2992 2016 6 2.97241e+01 1.17753e+00 2528 2016 7 3.12991e+01 1.21297e+00 2889 2016 8 3.03711e+01 1.22969e+00 2121 2016 9 2.92553e+01 1.27928e+00 2592 2016 10 2.48514e+01 1.78427e+00 2632 2016 11 2.01628e+01 2.46748e+00 2362 2016 12 1.79827e+01 1.86195e+00 1619 2017 1 1.61070e+01 2.14038e+00 1335 2017 2 1.80879e+01 1.86316e+00 2166 2017 3 1.93702e+01 2.49128e+00 2645 2017 4 2.34893e+01 1.55954e+00 2966 2017 5 2.52086e+01 1.61300e+00 2608 2017 6 2.86554e+01 1.75271e+00 1425 2017 7 3.01542e+01 1.60484e+00 1591 2017 8 2.99750e+01 1.53422e+00 1933 2017 9 2.81097e+01 1.49873e+00 2627 2017 10 2.48248e+01 2.97082e+00 2903 2017 11 1.97340e+01 1.27357e+00 2655 2017 12 1.77044e+01 2.80104e+00 1051 2018 1 1.16940e+01 2.10354e+00 1047 2018 2 2.01145e+01 3.85627e+00 1705 2018 3 1.81886e+01 2.24340e+00 2771 2018 4 2.16277e+01 1.37187e+00 2601 2018 5 2.53854e+01 1.64541e+00 2047 2018 6 2.95604e+01 1.68846e+00 2209 2018 7 2.99399e+01 1.43383e+00 1775 2018 8 3.02142e+01 1.34734e+00 1741 2018 9 3.02304e+01 1.27143e+00 2876 2018 10 2.66599e+01 2.29740e+00 2770 2018 11 1.90586e+01 2.43903e+00 1268 2018 12 1.55490e+01 1.80893e+00 1263 2019 1 1.51336e+01 2.28986e+00 1608 2019 2 1.87718e+01 2.83165e+00 1213 2019 3 1.91493e+01 1.62303e+00 2065 2019 4 2.26731e+01 1.73263e+00 2128 2019 5 2.79224e+01 1.91768e+00 3345 2019 6 2.95548e+01 1.12997e+00 1771 2019 7 2.96726e+01 1.53047e+00 1516 2019 8 3.00575e+01 1.24227e+00 2099 2019 9 2.90373e+01 1.24168e+00 3250 2019 10 2.58758e+01 1.86855e+00 2146 2019 11 1.86618e+01 2.46453e+00 2061 2019 12 1.65134e+01 1.76914e+00 1746 2020 1 1.58873e+01 1.92738e+00 2227 2020 2 1.55672e+01 1.48163e+00 1759 2020 3 2.19112e+01 3.71669e+00 2666 2020 4 2.41356e+01 7.72971e-01 1518 2020 5 2.50238e+01 1.67161e+00 3306 2020 6 2.96743e+01 1.49058e+00 2057 2020 7 2.99777e+01 1.28391e+00 2005 2020 8 3.13918e+01 1.21671e+00 1320 2020 9 2.78763e+01 1.99219e+00 1408 2020 10 2.56619e+01 1.30403e+00 2355 2020 11 2.08896e+01 2.26419e+00 2757 2020 12 1.44069e+01 1.56418e+00 2726 2021 1 1.47910e+01 1.79049e+00 1663 2021 2 1.68393e+01 2.41800e+00 1690 2021 3 1.94770e+01 2.20263e+00 2457 2021 4 2.19531e+01 2.10101e+00 2591 2021 5 2.55887e+01 1.48792e+00 2684 2021 6 2.82934e+01 1.54272e+00 1279 2021 7 2.94817e+01 1.42732e+00 1368 2021 8 3.00239e+01 1.25465e+00 1713 2021 9 2.84029e+01 1.32051e+00 2168 2021 10 2.58217e+01 1.72839e+00 1971 2021 11 1.82936e+01 1.62873e+00 2695 2021 12 1.79044e+01 1.70298e+00 2482 2022 1 1.53565e+01 2.76016e+00 2527 2022 2 1.64296e+01 3.06270e+00 2433 2022 3 1.97420e+01 1.33511e+00 2723 2022 4 2.33099e+01 1.39380e+00 1948 2022 5 2.70179e+01 1.38013e+00 3015 2022 6 2.97657e+01 1.19317e+00 2687 2022 7 3.07457e+01 1.19420e+00 2085 2022 8 3.07648e+01 1.37045e+00 1934 2022 9 2.84122e+01 1.80311e+00 2084 2022 10 2.28767e+01 1.76592e+00 2962 2022 11 2.15222e+01 2.47678e+00 1726 2022 12 1.78157e+01 3.25804e+00 2790 2023 1 1.49731e+01 1.40037e+00 2638 2023 2 1.75228e+01 1.90996e+00 2084 2023 3 2.07086e+01 2.31982e+00 2862 2023 4 2.34767e+01 1.36057e+00 1889 2023 5 2.57114e+01 2.09907e+00 2692 2023 6 2.78921e+01 1.40750e+00 2207 2023 7 3.08103e+01 1.28254e+00 2907 2023 8 3.11397e+01 1.06032e+00 2790 2023 9 2.89198e+01 1.54457e+00 2010 2023 10 2.33674e+01 1.41113e+00 2366 2023 11 1.97850e+01 1.90139e+00 1900 2023 12 1.42237e+01 1.49719e+00 1302 2024 1 1.34370e+01 1.48694e+00 1368 2024 2 1.58922e+01 1.00778e+00 2113 2024 3 2.05842e+01 1.32388e+00 1855 2024 4 2.25930e+01 6.15397e-01 214