YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.72385e+01 4.37358e-01 103 2000 3 2.02215e+01 1.34301e+00 726 2000 4 2.17636e+01 1.35948e+00 622 2000 5 2.54118e+01 2.15542e+00 792 2000 6 2.78865e+01 8.32907e-01 413 2000 7 2.86782e+01 8.57485e-01 547 2000 8 2.95069e+01 8.71643e-01 231 2000 9 2.70849e+01 1.59491e+00 414 2000 10 2.30312e+01 1.09495e+00 850 2000 11 2.11154e+01 2.74391e+00 498 2000 12 1.54676e+01 1.36271e+00 218 2001 1 1.23393e+01 9.92742e-02 64 2001 2 1.74304e+01 1.39877e+00 272 2001 3 1.67081e+01 1.63015e+00 446 2001 4 2.07053e+01 1.97601e+00 780 2001 5 2.50548e+01 1.27726e+00 595 2001 6 2.72506e+01 6.77543e-01 294 2001 7 2.89592e+01 8.63590e-01 256 2001 8 2.88662e+01 7.17294e-01 518 2001 9 2.73611e+01 1.42581e+00 367 2001 10 2.26557e+01 1.68407e+00 572 2001 11 1.97528e+01 6.91450e-01 771 2001 12 1.86031e+01 2.69319e+00 667 2002 1 1.25891e+01 2.78108e-01 128 2002 2 1.52417e+01 5.36905e-01 320 2002 3 2.05160e+01 1.81726e-01 128 2002 4 2.42957e+01 2.25204e+00 466 2002 5 2.64412e+01 1.34171e+00 657 2002 6 2.80111e+01 9.01036e-01 440 2002 7 2.91988e+01 1.39558e+00 1612 2002 8 2.90947e+01 9.34671e-01 2211 2002 9 2.84452e+01 1.04984e+00 1949 2002 10 2.69795e+01 1.87057e+00 2628 2002 11 2.08568e+01 2.71332e+00 2191 2002 12 1.47976e+01 1.04339e+00 1131 2003 1 1.20978e+01 1.40188e+00 1846 2003 2 1.44547e+01 1.40400e+00 779 2003 3 2.07616e+01 9.79026e-01 1337 2003 4 2.16226e+01 1.69324e+00 2885 2003 5 2.69311e+01 1.34017e+00 2606 2003 6 2.82964e+01 1.47958e+00 1877 2003 7 2.97264e+01 1.19630e+00 1391 2003 8 2.86971e+01 1.65312e+00 1819 2003 9 2.84845e+01 1.02057e+00 1908 2003 10 2.40653e+01 1.04511e+00 2561 2003 11 2.17544e+01 1.93027e+00 3209 2003 12 1.51154e+01 1.76261e+00 1430 2004 1 1.34778e+01 8.42838e-01 1349 2004 2 1.39024e+01 7.77886e-01 537 2004 3 1.83201e+01 1.73781e+00 2829 2004 4 2.01792e+01 1.64531e+00 2314 2004 5 2.60401e+01 1.84170e+00 3636 2004 6 2.94078e+01 1.27652e+00 2261 2004 7 3.01941e+01 1.28774e+00 2074 2004 8 2.98461e+01 1.20134e+00 2139 2004 9 2.71348e+01 1.84284e+00 1891 2004 10 2.47899e+01 1.55049e+00 2621 2004 11 2.20249e+01 2.61657e+00 2146 2004 12 1.59389e+01 2.51643e+00 1790 2005 1 1.47985e+01 2.02485e+00 1334 2005 2 1.40948e+01 9.52901e-01 915 2005 3 1.63457e+01 1.48121e+00 1589 2005 4 2.03652e+01 1.00175e+00 2836 2005 5 2.48113e+01 2.27920e+00 3169 2005 6 2.86000e+01 1.26384e+00 2050 2005 7 2.99314e+01 1.77331e+00 2410 2005 8 2.97553e+01 1.96615e+00 1901 2005 9 2.81275e+01 1.00169e+00 2926 2005 10 2.48046e+01 2.58772e+00 3219 2005 11 1.98355e+01 1.75771e+00 1963 2005 12 1.48871e+01 1.94420e+00 1412 2006 1 1.48996e+01 1.09843e+00 1396 2006 2 1.44528e+01 1.41237e+00 1638 2006 3 1.83293e+01 1.19168e+00 2823 2006 4 2.24242e+01 2.27322e+00 3009 2006 5 2.50518e+01 1.66049e+00 3134 2006 6 2.82105e+01 1.38728e+00 2825 2006 7 2.99252e+01 1.23113e+00 2701 2006 8 3.04157e+01 1.05288e+00 2390 2006 9 2.85322e+01 1.44144e+00 2611 2006 10 2.46142e+01 2.04785e+00 3007 2006 11 1.88003e+01 1.83664e+00 1770 2006 12 1.59017e+01 1.37301e+00 791 2007 1 1.50587e+01 9.47872e-01 987 2007 2 1.36744e+01 9.61807e-01 1189 2007 3 1.85930e+01 1.43937e+00 2766 2007 4 2.06621e+01 1.65409e+00 2075 2007 5 2.42782e+01 1.09884e+00 3577 2007 6 2.77778e+01 1.70795e+00 2651 2007 7 3.00451e+01 1.58366e+00 1767 2007 8 3.05059e+01 1.33858e+00 2496 2007 9 2.86593e+01 1.49763e+00 2389 2007 10 2.62783e+01 8.76378e-01 1884 2007 11 1.93446e+01 1.58601e+00 3016 2007 12 1.76509e+01 1.28191e+00 1542 2008 1 1.37527e+01 1.67135e+00 830 2008 2 1.61779e+01 1.41683e+00 1420 2008 3 1.80696e+01 1.56466e+00 2160 2008 4 2.16993e+01 1.14885e+00 2966 2008 5 2.51135e+01 1.58099e+00 2827 2008 6 2.88835e+01 1.45729e+00 2452 2008 7 2.95764e+01 1.44726e+00 2006 2008 8 2.81806e+01 1.71398e+00 1465 2008 9 2.76508e+01 1.64225e+00 2553 2008 10 2.38514e+01 1.93545e+00 3347 2008 11 1.78157e+01 1.96704e+00 2286 2008 12 1.52306e+01 1.08014e+00 1473 2009 1 1.47669e+01 1.89268e+00 1844 2009 2 1.40555e+01 1.23643e+00 1690 2009 3 1.79050e+01 2.29587e+00 2040 2009 4 2.17552e+01 1.57757e+00 2478 2009 5 2.60400e+01 1.27662e+00 2316 2009 6 2.84787e+01 1.13842e+00 2573 2009 7 2.89975e+01 1.37069e+00 2280 2009 8 2.97291e+01 1.65184e+00 1924 2009 9 2.85696e+01 8.23006e-01 2235 2009 10 2.57487e+01 2.54738e+00 2771 2009 11 1.97445e+01 1.26569e+00 1647 2009 12 1.42543e+01 1.77715e+00 418 2010 1 1.12275e+01 2.22975e+00 1364 2010 2 1.22516e+01 1.16025e+00 1676 2010 3 1.51507e+01 1.97666e+00 2032 2010 4 2.14919e+01 1.25128e+00 2365 2010 5 2.65847e+01 2.16090e+00 3126 2010 6 3.04156e+01 1.17176e+00 2714 2010 7 2.98728e+01 1.58762e+00 2581 2010 8 3.01717e+01 1.26760e+00 1466 2010 9 2.90344e+01 1.32882e+00 2862 2010 10 2.46740e+01 8.95925e-01 4281 2010 11 2.01604e+01 1.32916e+00 2765 2010 12 1.42443e+01 3.17015e+00 2062 2011 1 1.12943e+01 1.04107e+00 1491 2011 2 1.36456e+01 1.93492e+00 974 2011 3 1.90524e+01 1.36569e+00 2242 2011 4 2.34894e+01 1.43045e+00 3560 2011 5 2.56366e+01 1.38380e+00 4220 2011 6 2.93018e+01 1.37502e+00 2709 2011 7 2.95347e+01 1.15861e+00 1973 2011 8 3.06816e+01 1.11279e+00 2882 2011 9 2.82989e+01 1.05725e+00 2769 2011 10 2.38704e+01 1.93356e+00 2732 2011 11 1.89074e+01 9.53168e-01 2112 2011 12 1.65603e+01 1.03519e+00 1438 2012 1 1.51679e+01 1.26726e+00 2061 2012 2 1.62125e+01 1.00142e+00 769 2012 3 2.09841e+01 2.27130e+00 2707 2012 4 2.33268e+01 9.34258e-01 3338 2012 5 2.66379e+01 1.10507e+00 3379 2012 6 2.74150e+01 9.54359e-01 2395 2012 7 2.96087e+01 1.86197e+00 1962 2012 8 2.88857e+01 1.31511e+00 1611 2012 9 2.83102e+01 1.25695e+00 2014 2012 10 2.49679e+01 2.35158e+00 2698 2012 11 1.87303e+01 9.71518e-01 2320 2012 12 1.70491e+01 1.96876e+00 1567 2013 1 1.53475e+01 7.87808e-01 1231 2013 2 1.61061e+01 1.27339e+00 1799 2013 3 1.58250e+01 1.40857e+00 2548 2013 4 2.10704e+01 2.24502e+00 2214 2013 5 2.45980e+01 2.05672e+00 2304 2013 6 2.80567e+01 1.44830e+00 2478 2013 7 2.81924e+01 2.04353e+00 1513 2013 8 3.00143e+01 1.55224e+00 2462 2013 9 2.95329e+01 1.66428e+00 2956 2013 10 2.52535e+01 1.79446e+00 2618 2013 11 2.02331e+01 2.13001e+00 1809 2013 12 1.65196e+01 1.54919e+00 1179 2014 1 1.25899e+01 8.32286e-01 956 2014 2 1.49966e+01 1.96703e+00 1131 2014 3 1.70836e+01 1.30684e+00 1723 2014 4 2.09772e+01 1.80412e+00 2258 2014 5 2.54063e+01 1.43674e+00 2631 2014 6 2.84825e+01 1.91957e+00 2161 2014 7 2.99495e+01 1.44910e+00 2117 2014 8 2.99599e+01 1.05193e+00 2672 2014 9 2.87759e+01 1.33266e+00 1298 2014 10 2.53141e+01 1.68739e+00 3405 2014 11 1.80888e+01 2.36594e+00 2404 2014 12 1.59184e+01 1.33251e+00 1609 2015 1 1.44409e+01 1.11988e+00 1802 2015 2 1.34411e+01 1.16618e+00 1643 2015 3 1.89923e+01 2.40919e+00 1619 2015 4 2.30582e+01 1.91924e+00 1055 2015 5 2.67502e+01 1.68520e+00 3889 2015 6 2.98989e+01 1.21050e+00 2474 2015 7 2.95258e+01 1.42002e+00 1762 2015 8 3.01123e+01 1.53158e+00 2096 2015 9 2.82103e+01 1.72957e+00 1104 2015 10 2.41035e+01 1.18678e+00 2407 2015 11 2.23214e+01 2.73167e+00 1884 2015 12 1.87282e+01 8.86478e-01 1141 2016 1 1.52911e+01 1.93641e+00 1329 2016 2 1.43236e+01 1.48020e+00 1363 2016 3 1.84587e+01 2.14698e+00 1551 2016 4 2.21577e+01 1.87565e+00 2165 2016 5 2.60430e+01 1.41496e+00 2980 2016 6 2.93961e+01 1.00279e+00 2578 2016 7 3.11484e+01 1.23131e+00 2981 2016 8 3.02562e+01 1.25574e+00 2271 2016 9 2.94127e+01 1.08229e+00 2731 2016 10 2.57357e+01 1.61540e+00 2644 2016 11 2.10687e+01 2.23185e+00 2734 2016 12 1.79826e+01 1.62168e+00 1517 2017 1 1.62241e+01 1.24459e+00 1299 2017 2 1.79204e+01 1.61061e+00 1964 2017 3 1.88512e+01 1.92832e+00 2514 2017 4 2.29845e+01 1.35110e+00 2892 2017 5 2.51910e+01 1.36598e+00 2235 2017 6 2.84347e+01 1.66957e+00 1930 2017 7 3.06106e+01 1.18636e+00 1447 2017 8 3.02587e+01 1.27548e+00 2081 2017 9 2.81002e+01 1.54013e+00 2355 2017 10 2.53569e+01 2.24084e+00 3234 2017 11 2.03929e+01 1.45708e+00 2905 2017 12 1.67626e+01 2.27342e+00 1184 2018 1 1.14347e+01 9.89067e-01 1363 2018 2 1.89774e+01 2.97173e+00 953 2018 3 1.82143e+01 1.66104e+00 2584 2018 4 2.11841e+01 1.42632e+00 2373 2018 5 2.50265e+01 1.56445e+00 2129 2018 6 2.92517e+01 1.60031e+00 2143 2018 7 3.00489e+01 1.18866e+00 1955 2018 8 3.01256e+01 1.38995e+00 1665 2018 9 3.04651e+01 1.03986e+00 3079 2018 10 2.69126e+01 2.30985e+00 2937 2018 11 1.98901e+01 2.05255e+00 1191 2018 12 1.60505e+01 1.33888e+00 1175 2019 1 1.55229e+01 1.63718e+00 1534 2019 2 1.77991e+01 2.40427e+00 953 2019 3 1.85065e+01 1.24226e+00 1984 2019 4 2.20423e+01 1.58008e+00 2400 2019 5 2.73191e+01 1.92237e+00 3545 2019 6 2.91007e+01 1.29082e+00 1718 2019 7 2.98633e+01 1.53291e+00 1835 2019 8 3.02939e+01 1.13105e+00 2031 2019 9 2.91638e+01 1.05796e+00 3632 2019 10 2.67154e+01 1.93968e+00 2355 2019 11 1.89075e+01 2.40472e+00 2088 2019 12 1.67328e+01 1.11119e+00 1537 2020 1 1.60681e+01 1.26160e+00 2068 2020 2 1.56008e+01 1.19066e+00 1912 2020 3 2.10037e+01 3.28443e+00 2645 2020 4 2.38697e+01 1.04552e+00 1974 2020 5 2.47519e+01 1.42217e+00 2838 2020 6 2.93645e+01 1.17347e+00 2274 2020 7 2.99110e+01 1.29872e+00 2098 2020 8 3.10327e+01 1.09957e+00 1562 2020 9 2.85294e+01 2.14287e+00 1643 2020 10 2.55526e+01 8.67360e-01 2450 2020 11 2.18679e+01 1.76236e+00 3013 2020 12 1.55026e+01 1.57799e+00 2615 2021 1 1.41237e+01 1.32559e+00 1732 2021 2 1.62162e+01 1.83317e+00 1917 2021 3 1.86313e+01 1.49757e+00 2341 2021 4 2.16187e+01 1.23757e+00 2463 2021 5 2.54714e+01 1.34258e+00 2676 2021 6 2.78338e+01 1.30869e+00 1392 2021 7 2.93392e+01 1.22057e+00 1509 2021 8 3.02016e+01 1.63944e+00 1890 2021 9 2.88232e+01 1.16712e+00 2014 2021 10 2.59156e+01 1.66368e+00 2393 2021 11 1.91857e+01 1.38022e+00 2743 2021 12 1.80087e+01 9.83389e-01 2488 2022 1 1.60621e+01 2.24690e+00 2757 2022 2 1.52227e+01 2.10903e+00 2158 2022 3 1.92004e+01 1.04606e+00 2688 2022 4 2.29211e+01 1.08778e+00 2135 2022 5 2.66832e+01 1.36510e+00 2852 2022 6 2.97752e+01 1.10962e+00 2805 2022 7 3.05032e+01 1.11545e+00 2116 2022 8 3.07523e+01 1.26420e+00 2241 2022 9 2.85440e+01 1.52902e+00 1809 2022 10 2.36470e+01 1.28133e+00 3321 2022 11 2.10975e+01 2.22858e+00 1619 2022 12 1.72857e+01 2.69365e+00 3216 2023 1 1.46232e+01 7.97995e-01 2489 2023 2 1.68073e+01 1.42389e+00 2028 2023 3 2.02854e+01 1.74894e+00 2722 2023 4 2.28225e+01 9.94386e-01 2124 2023 5 2.54302e+01 1.61652e+00 2576 2023 6 2.73701e+01 1.57820e+00 2389 2023 7 3.02139e+01 1.36569e+00 2816 2023 8 3.12779e+01 8.95386e-01 2589 2023 9 2.92151e+01 1.28209e+00 2250 2023 10 2.38606e+01 1.47455e+00 3151 2023 11 2.05610e+01 1.47113e+00 2078 2023 12 1.46825e+01 1.32706e+00 1616 2024 1 1.35949e+01 1.15232e+00 1311 2024 2 1.50971e+01 8.91478e-01 1943 2024 3 1.97782e+01 1.29550e+00 1887 2024 4 2.17261e+01 4.82736e-01 187