YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.73714e+01 8.92321e-02 128 2000 3 2.04610e+01 1.25498e+00 590 2000 4 2.19110e+01 1.39753e+00 622 2000 5 2.55570e+01 1.83764e+00 804 2000 6 2.77955e+01 7.69999e-01 331 2000 7 2.90966e+01 7.92416e-01 491 2000 8 2.95378e+01 1.17739e+00 204 2000 9 2.73085e+01 1.30819e+00 392 2000 10 2.30987e+01 1.52437e+00 995 2000 11 2.13514e+01 2.81246e+00 549 2000 12 1.51592e+01 1.29250e+00 251 2001 1 1.24882e+01 5.35561e-02 64 2001 2 1.76702e+01 1.70505e+00 310 2001 3 1.71902e+01 1.37176e+00 492 2001 4 2.10298e+01 1.81103e+00 704 2001 5 2.52567e+01 1.07201e+00 742 2001 6 2.80042e+01 1.21778e+00 175 2001 7 2.82264e+01 1.55704e+00 315 2001 8 2.94893e+01 4.64960e-01 374 2001 9 2.73606e+01 1.93358e+00 331 2001 10 2.30076e+01 1.51218e+00 480 2001 11 1.99924e+01 6.18198e-01 676 2001 12 1.96453e+01 2.11442e+00 585 2002 1 1.36276e+01 1.73753e+00 97 2002 2 1.56802e+01 9.44003e-01 360 2002 3 1.98353e+01 1.38178e+00 83 2002 4 2.37136e+01 2.29798e+00 544 2002 5 2.61351e+01 1.33525e+00 686 2002 6 2.81989e+01 8.87769e-01 502 2002 7 2.92979e+01 1.01820e+00 1609 2002 8 2.91707e+01 8.18317e-01 1990 2002 9 2.87319e+01 9.42315e-01 1959 2002 10 2.72403e+01 1.70450e+00 2623 2002 11 2.05247e+01 2.78524e+00 2095 2002 12 1.49578e+01 1.02113e+00 1232 2003 1 1.24399e+01 1.25973e+00 1559 2003 2 1.43765e+01 2.07909e+00 722 2003 3 2.08788e+01 1.52542e+00 1311 2003 4 2.16531e+01 1.78313e+00 2590 2003 5 2.67270e+01 1.51240e+00 2788 2003 6 2.83935e+01 1.30497e+00 1735 2003 7 2.94279e+01 1.49924e+00 1154 2003 8 2.88279e+01 1.12701e+00 2022 2003 9 2.82790e+01 1.41063e+00 2068 2003 10 2.44877e+01 1.05113e+00 2700 2003 11 2.20632e+01 1.77982e+00 2843 2003 12 1.54370e+01 1.76855e+00 1284 2004 1 1.36849e+01 1.02457e+00 1615 2004 2 1.37503e+01 1.19771e+00 650 2004 3 1.86448e+01 1.60776e+00 2467 2004 4 2.02142e+01 1.58754e+00 2441 2004 5 2.60210e+01 1.67214e+00 3375 2004 6 2.94305e+01 1.31540e+00 2543 2004 7 2.98239e+01 1.37555e+00 2098 2004 8 2.93954e+01 1.64479e+00 2403 2004 9 2.71858e+01 1.77206e+00 1882 2004 10 2.49165e+01 1.49376e+00 2633 2004 11 2.22684e+01 2.11454e+00 2044 2004 12 1.61256e+01 2.63935e+00 1751 2005 1 1.49067e+01 1.87424e+00 1087 2005 2 1.43686e+01 8.49055e-01 1039 2005 3 1.67005e+01 1.70754e+00 1619 2005 4 2.03381e+01 1.10433e+00 2790 2005 5 2.44819e+01 2.23315e+00 2905 2005 6 2.84510e+01 1.31014e+00 2291 2005 7 3.02809e+01 1.67561e+00 2247 2005 8 2.96482e+01 2.12838e+00 1832 2005 9 2.79305e+01 1.40443e+00 2611 2005 10 2.52523e+01 2.59840e+00 2880 2005 11 2.04095e+01 1.49670e+00 1998 2005 12 1.51107e+01 1.95895e+00 1610 2006 1 1.51006e+01 1.04980e+00 1489 2006 2 1.46069e+01 1.24913e+00 1511 2006 3 1.84480e+01 1.11152e+00 2867 2006 4 2.24254e+01 2.16530e+00 2824 2006 5 2.49970e+01 1.60005e+00 3296 2006 6 2.82972e+01 1.09283e+00 3107 2006 7 2.99608e+01 1.46317e+00 2407 2006 8 3.04891e+01 9.60788e-01 2609 2006 9 2.84929e+01 1.40907e+00 2652 2006 10 2.47607e+01 2.07563e+00 3057 2006 11 1.83626e+01 1.95659e+00 1774 2006 12 1.57931e+01 1.36890e+00 645 2007 1 1.51197e+01 1.13514e+00 1056 2007 2 1.38893e+01 9.12192e-01 1172 2007 3 1.87023e+01 1.64893e+00 2883 2007 4 2.06079e+01 1.66525e+00 2324 2007 5 2.42081e+01 9.70611e-01 3611 2007 6 2.74694e+01 1.84514e+00 2587 2007 7 2.98937e+01 1.40002e+00 1878 2007 8 3.05393e+01 1.22468e+00 2505 2007 9 2.87287e+01 1.45222e+00 2479 2007 10 2.64508e+01 9.86441e-01 1914 2007 11 1.96724e+01 1.63205e+00 3148 2007 12 1.79458e+01 1.28757e+00 1796 2008 1 1.44884e+01 1.73221e+00 806 2008 2 1.65383e+01 9.90630e-01 1543 2008 3 1.78299e+01 1.63977e+00 2626 2008 4 2.19067e+01 1.39418e+00 2814 2008 5 2.46889e+01 1.94119e+00 2980 2008 6 2.89639e+01 1.19470e+00 2366 2008 7 2.98636e+01 1.17651e+00 1859 2008 8 2.81599e+01 1.72899e+00 1508 2008 9 2.76505e+01 1.55697e+00 2540 2008 10 2.39841e+01 1.89101e+00 3320 2008 11 1.77554e+01 1.87647e+00 2380 2008 12 1.55390e+01 1.11816e+00 1326 2009 1 1.47136e+01 1.84242e+00 1804 2009 2 1.41180e+01 1.24969e+00 1709 2009 3 1.76086e+01 2.16140e+00 1979 2009 4 2.19488e+01 1.57006e+00 2437 2009 5 2.60863e+01 1.33852e+00 2293 2009 6 2.83030e+01 1.27835e+00 2449 2009 7 2.90311e+01 1.05828e+00 1990 2009 8 2.97833e+01 1.47885e+00 2272 2009 9 2.86898e+01 1.02153e+00 2323 2009 10 2.57988e+01 2.54664e+00 2852 2009 11 1.98580e+01 1.36983e+00 1763 2009 12 1.45063e+01 1.90129e+00 513 2010 1 1.14345e+01 2.31436e+00 1295 2010 2 1.25224e+01 8.06464e-01 1551 2010 3 1.52687e+01 1.96028e+00 1683 2010 4 2.10470e+01 1.50126e+00 2236 2010 5 2.67555e+01 1.96117e+00 3250 2010 6 3.02858e+01 1.30919e+00 2568 2010 7 2.96731e+01 1.64330e+00 2392 2010 8 3.03053e+01 1.16252e+00 1426 2010 9 2.91820e+01 1.45071e+00 2760 2010 10 2.47764e+01 9.65623e-01 4316 2010 11 2.03103e+01 1.32011e+00 2877 2010 12 1.44409e+01 2.98522e+00 2085 2011 1 1.16964e+01 7.53071e-01 1470 2011 2 1.43286e+01 1.83257e+00 892 2011 3 1.89810e+01 1.29054e+00 2155 2011 4 2.35734e+01 1.50110e+00 3469 2011 5 2.59529e+01 1.33727e+00 4153 2011 6 2.92830e+01 1.41091e+00 2632 2011 7 2.96067e+01 1.28031e+00 2131 2011 8 3.06838e+01 1.08819e+00 2811 2011 9 2.84359e+01 1.04498e+00 2670 2011 10 2.42453e+01 1.78507e+00 2559 2011 11 1.92410e+01 8.33807e-01 2250 2011 12 1.65704e+01 8.26005e-01 1232 2012 1 1.52028e+01 1.31027e+00 2299 2012 2 1.68168e+01 1.32086e+00 708 2012 3 2.12201e+01 2.06070e+00 2750 2012 4 2.35638e+01 9.78286e-01 3305 2012 5 2.67098e+01 1.13188e+00 3256 2012 6 2.75118e+01 1.11093e+00 2102 2012 7 2.95908e+01 1.91256e+00 2106 2012 8 2.90880e+01 1.30300e+00 1857 2012 9 2.84172e+01 1.29034e+00 2193 2012 10 2.47987e+01 2.39247e+00 2677 2012 11 1.88350e+01 1.10974e+00 2363 2012 12 1.73317e+01 1.92529e+00 1865 2013 1 1.54302e+01 1.49440e+00 1166 2013 2 1.63756e+01 1.20651e+00 1697 2013 3 1.61100e+01 1.21314e+00 2376 2013 4 2.07389e+01 2.16199e+00 2382 2013 5 2.45846e+01 2.06785e+00 2564 2013 6 2.82369e+01 1.66103e+00 2688 2013 7 2.88938e+01 1.15623e+00 1254 2013 8 3.02500e+01 1.57069e+00 2565 2013 9 2.95436e+01 1.65016e+00 2920 2013 10 2.56412e+01 1.58747e+00 2997 2013 11 1.99434e+01 2.20197e+00 1606 2013 12 1.64855e+01 1.59883e+00 1193 2014 1 1.29359e+01 8.31739e-01 831 2014 2 1.50115e+01 2.17151e+00 1138 2014 3 1.72752e+01 1.30882e+00 1945 2014 4 2.11646e+01 1.77743e+00 2177 2014 5 2.53172e+01 1.48547e+00 2489 2014 6 2.87158e+01 1.51795e+00 2277 2014 7 3.01379e+01 1.49264e+00 2355 2014 8 3.00319e+01 1.08092e+00 2743 2014 9 2.90815e+01 1.21651e+00 1071 2014 10 2.55601e+01 1.70544e+00 3340 2014 11 1.81694e+01 2.26102e+00 2192 2014 12 1.62806e+01 9.24287e-01 1361 2015 1 1.48843e+01 9.80978e-01 1840 2015 2 1.35474e+01 1.16441e+00 1647 2015 3 1.95760e+01 1.72550e+00 1285 2015 4 2.30198e+01 1.91389e+00 1298 2015 5 2.66949e+01 1.73581e+00 3673 2015 6 2.98887e+01 1.12820e+00 1927 2015 7 2.93911e+01 1.67790e+00 1977 2015 8 3.01418e+01 1.85085e+00 1773 2015 9 2.78764e+01 1.66043e+00 1184 2015 10 2.42821e+01 1.25370e+00 2544 2015 11 2.27295e+01 2.48076e+00 2244 2015 12 1.89495e+01 9.91495e-01 1039 2016 1 1.55531e+01 1.85986e+00 1369 2016 2 1.42302e+01 1.35185e+00 1293 2016 3 1.88270e+01 1.88592e+00 1359 2016 4 2.21070e+01 1.75051e+00 2213 2016 5 2.56856e+01 1.81355e+00 3478 2016 6 2.91861e+01 1.25113e+00 2712 2016 7 3.13063e+01 1.14268e+00 2404 2016 8 3.04102e+01 9.73669e-01 2416 2016 9 2.92784e+01 1.30591e+00 2724 2016 10 2.55801e+01 1.92249e+00 2799 2016 11 2.08725e+01 2.43963e+00 2802 2016 12 1.82264e+01 1.41618e+00 1686 2017 1 1.65082e+01 1.18316e+00 1478 2017 2 1.78404e+01 1.61675e+00 2034 2017 3 1.88505e+01 1.85014e+00 2650 2017 4 2.30715e+01 1.35496e+00 3029 2017 5 2.52622e+01 1.42684e+00 2305 2017 6 2.85365e+01 1.36486e+00 1597 2017 7 3.01344e+01 1.33528e+00 1363 2017 8 3.02448e+01 1.39961e+00 2014 2017 9 2.81226e+01 1.63201e+00 2699 2017 10 2.55180e+01 2.09909e+00 3078 2017 11 2.05803e+01 1.25974e+00 2985 2017 12 1.73638e+01 2.02179e+00 1348 2018 1 1.14871e+01 1.23108e+00 1378 2018 2 1.86167e+01 3.00950e+00 1287 2018 3 1.85442e+01 1.53545e+00 2894 2018 4 2.12828e+01 1.54031e+00 2257 2018 5 2.48689e+01 1.56355e+00 1932 2018 6 2.92367e+01 1.66274e+00 2173 2018 7 3.01144e+01 1.16874e+00 1948 2018 8 2.98269e+01 1.32244e+00 2053 2018 9 3.03573e+01 1.10643e+00 2913 2018 10 2.72733e+01 2.11895e+00 3389 2018 11 2.02219e+01 1.90037e+00 1199 2018 12 1.59504e+01 2.42982e+00 1206 2019 1 1.55688e+01 1.73305e+00 1834 2019 2 1.74467e+01 3.12310e+00 888 2019 3 1.88688e+01 1.04317e+00 1898 2019 4 2.22654e+01 1.58216e+00 2053 2019 5 2.76219e+01 1.80985e+00 3274 2019 6 2.91346e+01 1.50968e+00 1632 2019 7 3.00843e+01 1.09723e+00 1457 2019 8 2.99315e+01 1.16863e+00 2128 2019 9 2.92194e+01 9.58921e-01 3449 2019 10 2.68384e+01 1.82876e+00 2309 2019 11 1.94821e+01 2.31626e+00 2069 2019 12 1.70378e+01 1.17442e+00 1898 2020 1 1.60333e+01 1.54504e+00 2384 2020 2 1.57992e+01 1.17336e+00 1663 2020 3 2.06209e+01 3.26653e+00 2577 2020 4 2.39236e+01 8.43631e-01 1811 2020 5 2.48541e+01 1.36625e+00 2955 2020 6 2.94210e+01 1.20124e+00 2270 2020 7 3.00140e+01 1.21511e+00 2126 2020 8 3.10638e+01 1.18617e+00 1655 2020 9 2.82822e+01 1.88754e+00 1661 2020 10 2.56706e+01 1.00081e+00 2506 2020 11 2.22639e+01 1.65575e+00 2663 2020 12 1.57417e+01 1.65280e+00 2841 2021 1 1.43554e+01 1.14852e+00 1855 2021 2 1.64883e+01 1.88299e+00 1679 2021 3 1.87644e+01 1.59128e+00 2379 2021 4 2.18279e+01 1.45679e+00 2621 2021 5 2.56578e+01 1.26643e+00 2701 2021 6 2.81312e+01 1.10353e+00 1494 2021 7 2.96366e+01 1.09749e+00 1675 2021 8 3.03293e+01 1.20436e+00 1734 2021 9 2.87392e+01 1.14493e+00 2426 2021 10 2.64591e+01 1.59498e+00 2064 2021 11 1.95370e+01 1.35223e+00 2618 2021 12 1.80140e+01 1.09231e+00 2345 2022 1 1.63400e+01 2.30450e+00 2706 2022 2 1.56822e+01 2.55290e+00 2362 2022 3 1.92202e+01 1.10653e+00 2717 2022 4 2.28975e+01 1.05203e+00 1973 2022 5 2.67003e+01 1.31770e+00 2879 2022 6 2.96656e+01 1.14764e+00 2568 2022 7 3.08874e+01 1.03130e+00 2156 2022 8 3.11011e+01 1.28014e+00 1810 2022 9 2.84622e+01 1.47113e+00 1911 2022 10 2.35858e+01 1.42988e+00 3152 2022 11 2.14360e+01 2.32065e+00 1785 2022 12 1.77102e+01 2.48929e+00 2905 2023 1 1.49148e+01 7.68034e-01 2474 2023 2 1.70241e+01 1.39953e+00 2055 2023 3 2.04872e+01 1.69483e+00 3056 2023 4 2.28718e+01 1.00213e+00 2114 2023 5 2.55741e+01 1.73998e+00 2622 2023 6 2.73313e+01 1.53465e+00 2198 2023 7 3.03730e+01 1.12154e+00 3246 2023 8 3.12120e+01 1.01405e+00 3043 2023 9 2.95274e+01 1.22477e+00 2445 2023 10 2.41219e+01 1.38347e+00 2894 2023 11 2.07848e+01 1.41396e+00 1877 2023 12 1.49040e+01 1.48181e+00 1492 2024 1 1.39390e+01 1.03737e+00 1364 2024 2 1.54984e+01 8.49491e-01 1893 2024 3 1.98378e+01 1.34094e+00 1990 2024 4 2.18419e+01 1.93286e-01 192