YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.78019e+01 1.60113e-01 126 2000 3 2.02763e+01 1.57950e+00 738 2000 4 2.20684e+01 1.14867e+00 668 2000 5 2.55938e+01 1.87937e+00 717 2000 6 2.78317e+01 6.58910e-01 368 2000 7 2.90097e+01 9.95335e-01 554 2000 8 2.96415e+01 1.63186e-01 162 2000 9 2.73383e+01 1.37810e+00 404 2000 10 2.29169e+01 1.71093e+00 907 2000 11 2.15756e+01 2.34792e+00 492 2000 12 1.51587e+01 1.37783e+00 155 2001 1 1.23698e+01 5.63641e-02 64 2001 2 1.73392e+01 1.99910e+00 448 2001 3 1.66483e+01 1.31295e+00 444 2001 4 2.15063e+01 2.08026e+00 684 2001 5 2.54339e+01 1.17998e+00 642 2001 6 2.82458e+01 9.13405e-01 262 2001 7 2.92394e+01 3.30092e-01 184 2001 8 2.95862e+01 7.16696e-01 409 2001 9 2.73500e+01 1.32481e+00 210 2001 10 2.24100e+01 1.72325e+00 447 2001 11 1.97973e+01 6.86877e-01 674 2001 12 1.89295e+01 2.30660e+00 542 2002 1 1.78000e+01 0.00000e+00 4 2002 2 1.60400e+01 1.54727e+00 349 2002 3 1.98360e+01 1.47906e+00 120 2002 4 2.47195e+01 1.80743e+00 525 2002 5 2.63036e+01 1.58217e+00 757 2002 6 2.84126e+01 7.53678e-01 446 2002 7 2.92590e+01 1.19878e+00 1596 2002 8 2.90960e+01 8.35187e-01 1707 2002 9 2.83056e+01 1.25406e+00 1819 2002 10 2.69901e+01 1.78069e+00 2796 2002 11 2.06474e+01 2.60034e+00 1918 2002 12 1.46889e+01 1.02989e+00 1167 2003 1 1.20814e+01 1.25658e+00 1686 2003 2 1.44438e+01 1.81693e+00 863 2003 3 2.07451e+01 1.52780e+00 1461 2003 4 2.17597e+01 1.91896e+00 2480 2003 5 2.67957e+01 1.63194e+00 2455 2003 6 2.84751e+01 1.55236e+00 1609 2003 7 2.96352e+01 1.48208e+00 1070 2003 8 2.86275e+01 1.45911e+00 2077 2003 9 2.85013e+01 1.10353e+00 1791 2003 10 2.40703e+01 1.23845e+00 2592 2003 11 2.14918e+01 1.91332e+00 2761 2003 12 1.46334e+01 1.61496e+00 1104 2004 1 1.34790e+01 1.00993e+00 1464 2004 2 1.38319e+01 6.96841e-01 614 2004 3 1.87657e+01 1.74662e+00 2579 2004 4 2.04323e+01 1.70852e+00 2276 2004 5 2.63027e+01 1.75847e+00 3445 2004 6 2.96386e+01 1.08065e+00 2464 2004 7 2.99230e+01 1.52120e+00 1963 2004 8 2.96279e+01 1.43659e+00 2149 2004 9 2.70608e+01 1.70723e+00 1831 2004 10 2.47552e+01 1.34145e+00 2577 2004 11 2.20809e+01 2.52622e+00 2070 2004 12 1.63547e+01 2.38893e+00 1542 2005 1 1.45851e+01 1.72446e+00 1067 2005 2 1.43003e+01 9.25484e-01 941 2005 3 1.65718e+01 1.74508e+00 1819 2005 4 2.05846e+01 8.06306e-01 2720 2005 5 2.49641e+01 2.34014e+00 2956 2005 6 2.86527e+01 1.30657e+00 2066 2005 7 3.05468e+01 1.67039e+00 2160 2005 8 2.97788e+01 2.07224e+00 1946 2005 9 2.78838e+01 1.50810e+00 2604 2005 10 2.50897e+01 2.70247e+00 2841 2005 11 1.98503e+01 1.75002e+00 1787 2005 12 1.47913e+01 2.02943e+00 1461 2006 1 1.50603e+01 1.14090e+00 1510 2006 2 1.46205e+01 1.44534e+00 1505 2006 3 1.85911e+01 1.27957e+00 3019 2006 4 2.27636e+01 2.06970e+00 2655 2006 5 2.51539e+01 1.49723e+00 3265 2006 6 2.81571e+01 1.23473e+00 2928 2006 7 3.01020e+01 1.29593e+00 2643 2006 8 3.03367e+01 1.03407e+00 2539 2006 9 2.84347e+01 1.48441e+00 2327 2006 10 2.45651e+01 2.06371e+00 2889 2006 11 1.86674e+01 1.70607e+00 1738 2006 12 1.60310e+01 1.39739e+00 702 2007 1 1.50253e+01 1.25859e+00 932 2007 2 1.37277e+01 9.95544e-01 1254 2007 3 1.90164e+01 1.81410e+00 2750 2007 4 2.06512e+01 1.67881e+00 2074 2007 5 2.44282e+01 1.00182e+00 3469 2007 6 2.79522e+01 1.70395e+00 2371 2007 7 3.02456e+01 1.25773e+00 1660 2007 8 3.05116e+01 1.18780e+00 2414 2007 9 2.83940e+01 1.59518e+00 2332 2007 10 2.60567e+01 1.13905e+00 1798 2007 11 1.91764e+01 1.62652e+00 2976 2007 12 1.76001e+01 1.47465e+00 1521 2008 1 1.37299e+01 1.83526e+00 782 2008 2 1.66327e+01 1.30152e+00 1581 2008 3 1.78561e+01 1.64945e+00 2494 2008 4 2.21244e+01 1.22153e+00 2742 2008 5 2.49628e+01 1.78458e+00 2940 2008 6 2.90500e+01 1.28771e+00 2166 2008 7 2.98260e+01 1.25094e+00 1969 2008 8 2.82449e+01 1.72006e+00 1583 2008 9 2.76361e+01 1.68336e+00 2254 2008 10 2.35399e+01 2.15580e+00 3151 2008 11 1.73470e+01 2.04611e+00 2286 2008 12 1.52656e+01 1.22072e+00 1176 2009 1 1.45265e+01 2.00772e+00 1761 2009 2 1.39817e+01 1.34903e+00 1616 2009 3 1.81798e+01 2.50753e+00 1875 2009 4 2.20376e+01 1.46445e+00 2348 2009 5 2.61264e+01 1.48480e+00 2527 2009 6 2.85785e+01 1.30660e+00 2538 2009 7 2.89432e+01 1.17591e+00 2060 2009 8 2.96966e+01 1.59602e+00 2409 2009 9 2.86705e+01 9.48155e-01 2214 2009 10 2.58337e+01 2.59135e+00 2767 2009 11 1.96754e+01 1.33166e+00 1720 2009 12 1.47729e+01 2.01401e+00 512 2010 1 1.15232e+01 2.85911e+00 1270 2010 2 1.22017e+01 1.04836e+00 1568 2010 3 1.51783e+01 2.36468e+00 2064 2010 4 2.13544e+01 1.51123e+00 2387 2010 5 2.69357e+01 1.97306e+00 3212 2010 6 3.03736e+01 1.31291e+00 2845 2010 7 3.00439e+01 1.41686e+00 2582 2010 8 3.02742e+01 1.46836e+00 1320 2010 9 2.90269e+01 1.46503e+00 2534 2010 10 2.45052e+01 9.41083e-01 4176 2010 11 1.99436e+01 1.40348e+00 2836 2010 12 1.39729e+01 3.15215e+00 1872 2011 1 1.13293e+01 9.80034e-01 1544 2011 2 1.45615e+01 2.08923e+00 897 2011 3 1.93063e+01 1.31964e+00 2265 2011 4 2.37823e+01 1.54467e+00 3574 2011 5 2.59206e+01 1.48295e+00 4207 2011 6 2.94538e+01 1.31343e+00 2628 2011 7 2.96171e+01 1.25510e+00 1859 2011 8 3.06534e+01 1.08145e+00 2917 2011 9 2.81483e+01 1.11649e+00 2745 2011 10 2.37407e+01 1.76199e+00 2726 2011 11 1.87784e+01 9.17899e-01 2200 2011 12 1.61115e+01 1.01336e+00 1244 2012 1 1.51913e+01 1.51993e+00 2007 2012 2 1.63937e+01 1.21974e+00 601 2012 3 2.16309e+01 2.05284e+00 2933 2012 4 2.34747e+01 1.02155e+00 3362 2012 5 2.70250e+01 9.63335e-01 3360 2012 6 2.71983e+01 1.47742e+00 2147 2012 7 2.96009e+01 1.87065e+00 2079 2012 8 2.90394e+01 1.61488e+00 1790 2012 9 2.82567e+01 1.51693e+00 2061 2012 10 2.49528e+01 2.34695e+00 2593 2012 11 1.84600e+01 1.06288e+00 2302 2012 12 1.69196e+01 1.76477e+00 1674 2013 1 1.53601e+01 1.55737e+00 1220 2013 2 1.63611e+01 1.30954e+00 1800 2013 3 1.59446e+01 1.37768e+00 2641 2013 4 2.12383e+01 2.01031e+00 2409 2013 5 2.48915e+01 2.15594e+00 2662 2013 6 2.82682e+01 1.72871e+00 2672 2013 7 2.83394e+01 1.20532e+00 1356 2013 8 3.01623e+01 1.67442e+00 2571 2013 9 2.95606e+01 1.70823e+00 2663 2013 10 2.53309e+01 1.74773e+00 2758 2013 11 1.95337e+01 2.30721e+00 1755 2013 12 1.68498e+01 1.54185e+00 989 2014 1 1.27633e+01 8.88075e-01 899 2014 2 1.50356e+01 2.47800e+00 1218 2014 3 1.71611e+01 1.44903e+00 2000 2014 4 2.14047e+01 1.73965e+00 2106 2014 5 2.54911e+01 1.38153e+00 2472 2014 6 2.87997e+01 1.57836e+00 2139 2014 7 3.03930e+01 1.30753e+00 1965 2014 8 3.00269e+01 1.17455e+00 2745 2014 9 2.86887e+01 1.36621e+00 1200 2014 10 2.52956e+01 1.69187e+00 3388 2014 11 1.77181e+01 2.30203e+00 2018 2014 12 1.60436e+01 9.92289e-01 1262 2015 1 1.46700e+01 1.15017e+00 1833 2015 2 1.33892e+01 1.34379e+00 1544 2015 3 1.97152e+01 1.84715e+00 1588 2015 4 2.33301e+01 1.95294e+00 1197 2015 5 2.67796e+01 1.80817e+00 3754 2015 6 3.00484e+01 1.18698e+00 2247 2015 7 2.94754e+01 1.57297e+00 1698 2015 8 2.97384e+01 2.12372e+00 1989 2015 9 2.80287e+01 1.64397e+00 1048 2015 10 2.40707e+01 1.31616e+00 2363 2015 11 2.23753e+01 2.84896e+00 2128 2015 12 1.85972e+01 1.10629e+00 986 2016 1 1.49623e+01 2.00205e+00 1374 2016 2 1.42576e+01 1.53233e+00 1320 2016 3 1.88416e+01 2.00529e+00 1501 2016 4 2.22279e+01 1.92681e+00 2171 2016 5 2.58313e+01 1.76541e+00 3192 2016 6 2.94541e+01 1.22866e+00 2922 2016 7 3.14446e+01 1.02446e+00 2545 2016 8 3.02634e+01 1.22020e+00 2402 2016 9 2.92137e+01 1.32306e+00 2528 2016 10 2.54153e+01 1.70078e+00 2649 2016 11 2.05507e+01 2.40905e+00 2604 2016 12 1.79930e+01 1.40830e+00 1673 2017 1 1.64148e+01 1.38780e+00 1471 2017 2 1.80925e+01 1.49496e+00 1971 2017 3 1.90022e+01 2.04983e+00 2605 2017 4 2.32413e+01 1.47699e+00 2774 2017 5 2.52082e+01 1.58549e+00 2401 2017 6 2.86254e+01 1.52116e+00 1684 2017 7 3.03717e+01 1.39723e+00 1286 2017 8 3.00678e+01 1.50868e+00 1993 2017 9 2.81122e+01 1.57734e+00 2401 2017 10 2.51855e+01 2.47451e+00 2857 2017 11 2.01599e+01 1.25004e+00 2996 2017 12 1.70292e+01 2.04768e+00 1201 2018 1 1.14339e+01 1.26054e+00 1256 2018 2 1.96931e+01 3.03761e+00 1309 2018 3 1.85104e+01 1.74048e+00 2911 2018 4 2.12440e+01 1.47586e+00 2555 2018 5 2.52169e+01 1.59960e+00 2073 2018 6 2.95247e+01 1.64485e+00 2000 2018 7 3.00067e+01 1.23927e+00 1718 2018 8 3.02876e+01 1.27513e+00 1775 2018 9 3.04180e+01 1.04514e+00 2901 2018 10 2.69949e+01 2.25115e+00 2868 2018 11 1.96906e+01 2.22169e+00 1219 2018 12 1.60180e+01 1.60709e+00 862 2019 1 1.54224e+01 1.70995e+00 1734 2019 2 1.82888e+01 2.74056e+00 1141 2019 3 1.88358e+01 1.35515e+00 2029 2019 4 2.22835e+01 1.84172e+00 2027 2019 5 2.75822e+01 2.12053e+00 3402 2019 6 2.90366e+01 1.62359e+00 1716 2019 7 2.98650e+01 1.47554e+00 1633 2019 8 3.01156e+01 1.21129e+00 2061 2019 9 2.92351e+01 9.87452e-01 3295 2019 10 2.66880e+01 1.81104e+00 2103 2019 11 1.90130e+01 2.26707e+00 2009 2019 12 1.68886e+01 1.15628e+00 1650 2020 1 1.59974e+01 1.39307e+00 2169 2020 2 1.56764e+01 1.16794e+00 1811 2020 3 2.10701e+01 3.43359e+00 2508 2020 4 2.41687e+01 8.64332e-01 1672 2020 5 2.48465e+01 1.53883e+00 3076 2020 6 2.94312e+01 1.20374e+00 2359 2020 7 3.00573e+01 1.23244e+00 2024 2020 8 3.12070e+01 1.19997e+00 1306 2020 9 2.80587e+01 2.00300e+00 1605 2020 10 2.55638e+01 1.05533e+00 2316 2020 11 2.18898e+01 1.68574e+00 2624 2020 12 1.52230e+01 1.59171e+00 2650 2021 1 1.41686e+01 1.41161e+00 1750 2021 2 1.65533e+01 2.01381e+00 1779 2021 3 1.86208e+01 1.70463e+00 2242 2021 4 2.19158e+01 1.46454e+00 2529 2021 5 2.57105e+01 1.29698e+00 2608 2021 6 2.80575e+01 1.32103e+00 1187 2021 7 2.96092e+01 1.10142e+00 1577 2021 8 3.04315e+01 1.47134e+00 1801 2021 9 2.87831e+01 1.25323e+00 2300 2021 10 2.60443e+01 1.87449e+00 2117 2021 11 1.89929e+01 1.45554e+00 2715 2021 12 1.78433e+01 1.24059e+00 2408 2022 1 1.61079e+01 2.35135e+00 2633 2022 2 1.58604e+01 2.56343e+00 2278 2022 3 1.93680e+01 1.22590e+00 2586 2022 4 2.30802e+01 1.27227e+00 2024 2022 5 2.67463e+01 1.32100e+00 2985 2022 6 2.99129e+01 9.97069e-01 2400 2022 7 3.05739e+01 1.16387e+00 2059 2022 8 3.07973e+01 1.45647e+00 2261 2022 9 2.81260e+01 1.91963e+00 1766 2022 10 2.32270e+01 1.56614e+00 3158 2022 11 2.16341e+01 2.24226e+00 1730 2022 12 1.74761e+01 2.84952e+00 2998 2023 1 1.48919e+01 9.55248e-01 2470 2023 2 1.70129e+01 1.49236e+00 2201 2023 3 2.04732e+01 1.93479e+00 2945 2023 4 2.29502e+01 1.14903e+00 2143 2023 5 2.58968e+01 1.65543e+00 2444 2023 6 2.73185e+01 1.52582e+00 2304 2023 7 3.04885e+01 1.17374e+00 3048 2023 8 3.11300e+01 1.06126e+00 3015 2023 9 2.92494e+01 1.37647e+00 2317 2023 10 2.37241e+01 1.32830e+00 2628 2023 11 2.05147e+01 1.47946e+00 1951 2023 12 1.45336e+01 1.32944e+00 1326 2024 1 1.37164e+01 1.19496e+00 1366 2024 2 1.55975e+01 9.30554e-01 2010 2024 3 2.02497e+01 1.44401e+00 1689 2024 4 2.21711e+01 2.64345e-01 192