YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.71132e+01 2.27077e-01 117 2000 3 2.01436e+01 1.70712e+00 593 2000 4 2.19351e+01 1.09823e+00 629 2000 5 2.58878e+01 2.15151e+00 866 2000 6 2.76738e+01 6.73968e-01 346 2000 7 2.88784e+01 6.70200e-01 547 2000 8 2.94134e+01 7.61115e-01 309 2000 9 2.70963e+01 5.86411e-01 294 2000 10 2.29961e+01 7.97443e-01 831 2000 11 2.09875e+01 2.63222e+00 537 2000 12 1.55560e+01 1.36149e+00 192 2001 1 1.21331e+01 9.13102e-02 128 2001 2 1.75074e+01 1.06482e+00 304 2001 3 1.64146e+01 1.61872e+00 487 2001 4 2.07384e+01 2.03976e+00 768 2001 5 2.49491e+01 1.55273e+00 746 2001 6 2.77673e+01 9.10329e-01 192 2001 7 2.96219e+01 8.97904e-01 192 2001 8 2.87729e+01 9.95028e-01 637 2001 9 2.69102e+01 1.76168e+00 478 2001 10 2.23208e+01 1.76369e+00 516 2001 11 1.98658e+01 5.67077e-01 702 2001 12 1.87082e+01 2.63346e+00 535 2002 1 nan nan 0 2002 2 1.47699e+01 1.93777e+00 466 2002 3 1.76199e+01 2.00128e+00 129 2002 4 2.42728e+01 1.87048e+00 655 2002 5 2.58060e+01 1.68230e+00 884 2002 6 2.81955e+01 8.11715e-01 445 2002 7 2.92802e+01 1.29579e+00 1601 2002 8 2.92913e+01 9.26099e-01 2055 2002 9 2.82817e+01 1.15443e+00 2242 2002 10 2.70826e+01 1.65613e+00 2844 2002 11 2.08445e+01 2.52415e+00 2298 2002 12 1.48033e+01 1.05832e+00 1163 2003 1 1.24276e+01 1.20858e+00 1795 2003 2 1.40604e+01 1.47414e+00 772 2003 3 2.09284e+01 1.19037e+00 1124 2003 4 2.15594e+01 1.76119e+00 2881 2003 5 2.65647e+01 1.40275e+00 2573 2003 6 2.83611e+01 1.42860e+00 2239 2003 7 2.93856e+01 1.15099e+00 1738 2003 8 2.89756e+01 1.31732e+00 1893 2003 9 2.83980e+01 9.03981e-01 2041 2003 10 2.40813e+01 1.06166e+00 2706 2003 11 2.17169e+01 1.71277e+00 2961 2003 12 1.51743e+01 1.64048e+00 1463 2004 1 1.34570e+01 9.53335e-01 1435 2004 2 1.36807e+01 9.05782e-01 495 2004 3 1.84546e+01 1.39215e+00 2689 2004 4 2.05235e+01 1.46725e+00 2631 2004 5 2.60658e+01 1.78286e+00 3368 2004 6 2.93456e+01 1.01683e+00 2346 2004 7 3.01517e+01 1.45583e+00 2292 2004 8 2.96184e+01 1.20029e+00 2443 2004 9 2.70677e+01 1.87912e+00 2018 2004 10 2.49410e+01 1.59797e+00 2677 2004 11 2.19626e+01 2.49955e+00 1873 2004 12 1.58861e+01 2.42936e+00 1686 2005 1 1.49190e+01 1.99841e+00 1225 2005 2 1.41128e+01 8.88157e-01 986 2005 3 1.63416e+01 1.68272e+00 1712 2005 4 2.03799e+01 9.35037e-01 2835 2005 5 2.47008e+01 2.38301e+00 3053 2005 6 2.83718e+01 1.10763e+00 2173 2005 7 3.03384e+01 1.33105e+00 2259 2005 8 2.98992e+01 1.53789e+00 2134 2005 9 2.79770e+01 1.20148e+00 3042 2005 10 2.48805e+01 2.44377e+00 3210 2005 11 1.99085e+01 1.79369e+00 2123 2005 12 1.48746e+01 1.84672e+00 1351 2006 1 1.47581e+01 1.12800e+00 1586 2006 2 1.47043e+01 1.43083e+00 1573 2006 3 1.84023e+01 1.09917e+00 2804 2006 4 2.24745e+01 2.01342e+00 3096 2006 5 2.49816e+01 1.69585e+00 3364 2006 6 2.81734e+01 1.14120e+00 3031 2006 7 2.99193e+01 1.16390e+00 2468 2006 8 3.04842e+01 1.01451e+00 2337 2006 9 2.85031e+01 1.23100e+00 2531 2006 10 2.45669e+01 1.98834e+00 3077 2006 11 1.85371e+01 1.78981e+00 1782 2006 12 1.59900e+01 1.51955e+00 1001 2007 1 1.48742e+01 1.19990e+00 807 2007 2 1.34450e+01 8.82795e-01 1264 2007 3 1.81865e+01 1.67522e+00 2707 2007 4 2.07570e+01 1.56867e+00 2281 2007 5 2.43868e+01 8.79775e-01 3640 2007 6 2.74565e+01 1.95714e+00 2775 2007 7 2.99059e+01 1.81858e+00 1803 2007 8 3.04595e+01 1.45441e+00 2645 2007 9 2.85629e+01 1.53531e+00 2375 2007 10 2.60883e+01 1.13191e+00 1828 2007 11 1.94626e+01 1.73125e+00 3046 2007 12 1.73017e+01 1.53526e+00 1270 2008 1 1.36109e+01 1.69218e+00 1029 2008 2 1.57019e+01 1.54213e+00 1589 2008 3 1.77500e+01 1.36402e+00 2435 2008 4 2.14964e+01 1.25942e+00 2915 2008 5 2.47994e+01 1.95675e+00 2821 2008 6 2.87721e+01 1.17381e+00 2261 2008 7 2.95380e+01 1.42885e+00 1987 2008 8 2.84163e+01 1.49366e+00 1507 2008 9 2.75735e+01 1.72348e+00 2684 2008 10 2.39515e+01 1.90872e+00 3577 2008 11 1.78510e+01 1.75766e+00 2264 2008 12 1.53384e+01 1.22881e+00 1376 2009 1 1.45174e+01 1.81531e+00 1922 2009 2 1.40280e+01 1.37567e+00 1692 2009 3 1.77717e+01 2.22717e+00 2109 2009 4 2.15958e+01 1.59461e+00 2647 2009 5 2.56360e+01 1.26080e+00 2295 2009 6 2.83378e+01 1.21995e+00 2707 2009 7 2.87816e+01 1.40845e+00 2190 2009 8 2.98029e+01 1.38528e+00 2185 2009 9 2.83256e+01 9.28605e-01 2402 2009 10 2.57652e+01 2.51778e+00 2751 2009 11 1.95387e+01 1.31307e+00 1637 2009 12 1.51032e+01 2.14823e+00 541 2010 1 1.14245e+01 2.45649e+00 1387 2010 2 1.22960e+01 1.20374e+00 1769 2010 3 1.53886e+01 1.84674e+00 1969 2010 4 2.12624e+01 1.65235e+00 2469 2010 5 2.67762e+01 2.01581e+00 3401 2010 6 3.02292e+01 1.31939e+00 2921 2010 7 2.98250e+01 1.52952e+00 2667 2010 8 2.98385e+01 1.58330e+00 1544 2010 9 2.91365e+01 1.19107e+00 2760 2010 10 2.46836e+01 9.72948e-01 4241 2010 11 2.00247e+01 1.27352e+00 3109 2010 12 1.47003e+01 3.07596e+00 1832 2011 1 1.09798e+01 1.12656e+00 1692 2011 2 1.32360e+01 2.22650e+00 902 2011 3 1.88157e+01 1.55245e+00 2291 2011 4 2.33538e+01 1.59183e+00 3489 2011 5 2.56050e+01 1.73760e+00 3931 2011 6 2.93563e+01 1.39371e+00 2540 2011 7 2.96683e+01 1.29187e+00 2110 2011 8 3.07300e+01 8.98378e-01 2945 2011 9 2.83417e+01 8.66773e-01 2651 2011 10 2.38259e+01 1.78023e+00 2772 2011 11 1.86877e+01 9.28682e-01 1996 2011 12 1.67018e+01 7.43259e-01 1117 2012 1 1.51715e+01 1.15791e+00 2007 2012 2 1.62181e+01 9.54742e-01 671 2012 3 2.10815e+01 2.34143e+00 2785 2012 4 2.32694e+01 8.79837e-01 3457 2012 5 2.64621e+01 1.20065e+00 3482 2012 6 2.74643e+01 8.69190e-01 2404 2012 7 2.92837e+01 1.45005e+00 2336 2012 8 2.87712e+01 1.83928e+00 1638 2012 9 2.84376e+01 1.17300e+00 2590 2012 10 2.48609e+01 2.02112e+00 2903 2012 11 1.86783e+01 1.05308e+00 2517 2012 12 1.69857e+01 2.11768e+00 1532 2013 1 1.54063e+01 1.02870e+00 1008 2013 2 1.60633e+01 1.33013e+00 1833 2013 3 1.59318e+01 1.31307e+00 2536 2013 4 2.09137e+01 1.81823e+00 2060 2013 5 2.46250e+01 2.08810e+00 2676 2013 6 2.82697e+01 1.35523e+00 2230 2013 7 2.81764e+01 1.80672e+00 1552 2013 8 3.01603e+01 1.57426e+00 2780 2013 9 2.96933e+01 1.52666e+00 2689 2013 10 2.51512e+01 1.72437e+00 2681 2013 11 1.98898e+01 2.40950e+00 1642 2013 12 1.66900e+01 1.35330e+00 1291 2014 1 1.26531e+01 8.71826e-01 1034 2014 2 1.47852e+01 1.99183e+00 1158 2014 3 1.68648e+01 1.17756e+00 2022 2014 4 2.10483e+01 1.62798e+00 2460 2014 5 2.54267e+01 1.34427e+00 2417 2014 6 2.86550e+01 1.89696e+00 2423 2014 7 3.00744e+01 1.08034e+00 2267 2014 8 2.98477e+01 1.14219e+00 2840 2014 9 2.84722e+01 1.48022e+00 1445 2014 10 2.52304e+01 1.53150e+00 3310 2014 11 1.79805e+01 2.37382e+00 2340 2014 12 1.56746e+01 1.27489e+00 1486 2015 1 1.43587e+01 1.05295e+00 1608 2015 2 1.34644e+01 1.17021e+00 1716 2015 3 1.91874e+01 1.94219e+00 1588 2015 4 2.32048e+01 1.89107e+00 1090 2015 5 2.68480e+01 1.74507e+00 3877 2015 6 2.99907e+01 1.12789e+00 2552 2015 7 2.95108e+01 1.65376e+00 1609 2015 8 3.02017e+01 1.89479e+00 2061 2015 9 2.81698e+01 1.74152e+00 1286 2015 10 2.39630e+01 1.23035e+00 2288 2015 11 2.22473e+01 2.68285e+00 2096 2015 12 1.84180e+01 1.24906e+00 1144 2016 1 1.51375e+01 1.74079e+00 1539 2016 2 1.42234e+01 1.46219e+00 1424 2016 3 1.83595e+01 2.12659e+00 1627 2016 4 2.19686e+01 1.71971e+00 2008 2016 5 2.61169e+01 1.19724e+00 3107 2016 6 2.93909e+01 1.29035e+00 2551 2016 7 3.12461e+01 1.24072e+00 2913 2016 8 3.03881e+01 1.48093e+00 2347 2016 9 2.93061e+01 1.20493e+00 2656 2016 10 2.57314e+01 1.65542e+00 2663 2016 11 2.12321e+01 2.11794e+00 2736 2016 12 1.76454e+01 1.74059e+00 1641 2017 1 1.62261e+01 1.60725e+00 1498 2017 2 1.77315e+01 1.69736e+00 1993 2017 3 1.86718e+01 1.69752e+00 2743 2017 4 2.30474e+01 1.22223e+00 2714 2017 5 2.50627e+01 1.29603e+00 2184 2017 6 2.85756e+01 1.71142e+00 1770 2017 7 3.05197e+01 1.33452e+00 1462 2017 8 3.01002e+01 1.50122e+00 2421 2017 9 2.81194e+01 1.57857e+00 2553 2017 10 2.51841e+01 2.03626e+00 3468 2017 11 2.03171e+01 1.17717e+00 3078 2017 12 1.69849e+01 2.14435e+00 1459 2018 1 1.13976e+01 9.28816e-01 1288 2018 2 1.91072e+01 3.08374e+00 1211 2018 3 1.83756e+01 1.54225e+00 2799 2018 4 2.11205e+01 1.22943e+00 2401 2018 5 2.49779e+01 1.81673e+00 2416 2018 6 2.90368e+01 1.82625e+00 1673 2018 7 3.01814e+01 1.20379e+00 1894 2018 8 3.03720e+01 1.38360e+00 1825 2018 9 3.04355e+01 1.17943e+00 3188 2018 10 2.69957e+01 2.29577e+00 3072 2018 11 1.98285e+01 2.16236e+00 957 2018 12 1.56843e+01 1.59080e+00 1053 2019 1 1.53825e+01 1.85516e+00 1639 2019 2 1.70659e+01 2.33758e+00 884 2019 3 1.84681e+01 1.32320e+00 1995 2019 4 2.20121e+01 1.60081e+00 2316 2019 5 2.73175e+01 1.99469e+00 3520 2019 6 2.94289e+01 1.07558e+00 1928 2019 7 2.98647e+01 1.21857e+00 2156 2019 8 3.03068e+01 1.07825e+00 2411 2019 9 2.92741e+01 1.01181e+00 3806 2019 10 2.65827e+01 1.94521e+00 2559 2019 11 1.89186e+01 2.50389e+00 2138 2019 12 1.64499e+01 1.29754e+00 1680 2020 1 1.59459e+01 1.31178e+00 1891 2020 2 1.54428e+01 9.45383e-01 1773 2020 3 2.08164e+01 3.31042e+00 2643 2020 4 2.37940e+01 1.04634e+00 1918 2020 5 2.47464e+01 1.32276e+00 3006 2020 6 2.92550e+01 1.15208e+00 2485 2020 7 2.99153e+01 1.06270e+00 2372 2020 8 3.10512e+01 9.94382e-01 1529 2020 9 2.85581e+01 1.96212e+00 1679 2020 10 2.55912e+01 8.97565e-01 2389 2020 11 2.18015e+01 1.66418e+00 3306 2020 12 1.55314e+01 1.84127e+00 2777 2021 1 1.39751e+01 1.36167e+00 2085 2021 2 1.59725e+01 1.72614e+00 1950 2021 3 1.86540e+01 1.31250e+00 2447 2021 4 2.15305e+01 1.22942e+00 2470 2021 5 2.53351e+01 1.47911e+00 2881 2021 6 2.79014e+01 1.07872e+00 1647 2021 7 2.98363e+01 1.23205e+00 1385 2021 8 3.06668e+01 1.44558e+00 1521 2021 9 2.86668e+01 1.33238e+00 2147 2021 10 2.60740e+01 1.57308e+00 2486 2021 11 1.90575e+01 1.50334e+00 2903 2021 12 1.78941e+01 1.08736e+00 2258 2022 1 1.57679e+01 2.25309e+00 2664 2022 2 1.51759e+01 2.05052e+00 2061 2022 3 1.92211e+01 1.04696e+00 2739 2022 4 2.28110e+01 1.20241e+00 1923 2022 5 2.66634e+01 1.33590e+00 2900 2022 6 2.97825e+01 1.38405e+00 2578 2022 7 3.05203e+01 1.09829e+00 2017 2022 8 3.09425e+01 1.27364e+00 1815 2022 9 2.83415e+01 1.88228e+00 1925 2022 10 2.35937e+01 1.32009e+00 3264 2022 11 2.12132e+01 2.10026e+00 1705 2022 12 1.70556e+01 2.79422e+00 3458 2023 1 1.45221e+01 7.92446e-01 2555 2023 2 1.66118e+01 1.35041e+00 1947 2023 3 2.03669e+01 1.73114e+00 3090 2023 4 2.25221e+01 1.09786e+00 2002 2023 5 2.51547e+01 1.82526e+00 2351 2023 6 2.72979e+01 1.64059e+00 2628 2023 7 3.02946e+01 1.20029e+00 2304 2023 8 3.11938e+01 9.76158e-01 2703 2023 9 2.92355e+01 1.49587e+00 2417 2023 10 2.40076e+01 1.31023e+00 2895 2023 11 2.05562e+01 1.45299e+00 2090 2023 12 1.49153e+01 1.46930e+00 1486 2024 1 1.33037e+01 1.29503e+00 1392 2024 2 1.51000e+01 8.85224e-01 1916 2024 3 1.97987e+01 1.08972e+00 1870 2024 4 2.10240e+01 6.74319e-01 96