YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.78198e+01 8.47246e-02 53 2000 3 2.05205e+01 1.52444e+00 782 2000 4 2.23007e+01 7.89312e-01 652 2000 5 2.54175e+01 1.75342e+00 724 2000 6 2.84280e+01 8.97686e-01 415 2000 7 2.88008e+01 5.06500e-01 427 2000 8 2.96020e+01 3.16617e-01 256 2000 9 2.63809e+01 1.72153e+00 426 2000 10 2.34049e+01 1.74642e+00 896 2000 11 2.21559e+01 1.89553e+00 448 2000 12 1.59859e+01 1.84930e+00 209 2001 1 1.24299e+01 1.14667e-01 128 2001 2 1.76719e+01 1.24777e+00 296 2001 3 1.72131e+01 1.45184e+00 529 2001 4 2.12737e+01 2.09447e+00 638 2001 5 2.49979e+01 1.38926e+00 869 2001 6 2.88011e+01 1.02107e+00 282 2001 7 2.92992e+01 3.53855e-01 130 2001 8 2.87334e+01 2.34555e+00 476 2001 9 2.65966e+01 1.55538e+00 466 2001 10 2.28774e+01 1.72622e+00 457 2001 11 1.96426e+01 8.40598e-01 793 2001 12 2.01712e+01 2.08290e+00 640 2002 1 1.39669e+01 1.92137e+00 182 2002 2 1.60997e+01 1.37537e+00 384 2002 3 1.81852e+01 2.21934e+00 173 2002 4 2.36298e+01 1.96397e+00 475 2002 5 2.63751e+01 1.66072e+00 846 2002 6 2.80805e+01 1.07809e+00 555 2002 7 2.92670e+01 1.60186e+00 1514 2002 8 2.89713e+01 1.03053e+00 1998 2002 9 2.86236e+01 1.29231e+00 1925 2002 10 2.72346e+01 1.71041e+00 2967 2002 11 2.04704e+01 2.67246e+00 2154 2002 12 1.45847e+01 9.78125e-01 1145 2003 1 1.21001e+01 1.30587e+00 1802 2003 2 1.49496e+01 1.81315e+00 847 2003 3 2.09275e+01 1.99002e+00 1302 2003 4 2.19908e+01 1.89281e+00 2690 2003 5 2.70688e+01 1.42833e+00 2680 2003 6 2.81462e+01 1.30989e+00 1494 2003 7 2.95557e+01 1.60011e+00 1214 2003 8 2.87250e+01 1.34792e+00 2140 2003 9 2.77404e+01 1.71855e+00 1716 2003 10 2.44779e+01 1.00186e+00 2674 2003 11 2.17915e+01 1.87967e+00 2743 2003 12 1.51467e+01 1.49241e+00 1377 2004 1 1.37902e+01 9.37217e-01 1496 2004 2 1.43069e+01 9.74039e-01 911 2004 3 1.85345e+01 1.67959e+00 2750 2004 4 2.00687e+01 1.63099e+00 2958 2004 5 2.59550e+01 1.70479e+00 3499 2004 6 2.98008e+01 1.40243e+00 2442 2004 7 3.01611e+01 1.28570e+00 2393 2004 8 2.95926e+01 1.57574e+00 2440 2004 9 2.70954e+01 1.89441e+00 2075 2004 10 2.49995e+01 1.64610e+00 2814 2004 11 2.19205e+01 2.32608e+00 2298 2004 12 1.64588e+01 2.23763e+00 1609 2005 1 1.45971e+01 1.83648e+00 1269 2005 2 1.49320e+01 9.87980e-01 1116 2005 3 1.64946e+01 2.15378e+00 1673 2005 4 2.05397e+01 1.04625e+00 3138 2005 5 2.47548e+01 2.15660e+00 3142 2005 6 2.82749e+01 1.35456e+00 1866 2005 7 3.03344e+01 1.59703e+00 2531 2005 8 3.05386e+01 1.91851e+00 2054 2005 9 2.80160e+01 1.16096e+00 2679 2005 10 2.52014e+01 2.81645e+00 3205 2005 11 1.98069e+01 1.80138e+00 2299 2005 12 1.48492e+01 2.15592e+00 1674 2006 1 1.50577e+01 1.06266e+00 1608 2006 2 1.46555e+01 1.39920e+00 1478 2006 3 1.86517e+01 1.15621e+00 3018 2006 4 2.27099e+01 2.29591e+00 2964 2006 5 2.53041e+01 1.53941e+00 3267 2006 6 2.82950e+01 1.19006e+00 2963 2006 7 2.99936e+01 1.36832e+00 2712 2006 8 3.04881e+01 1.13957e+00 2322 2006 9 2.88797e+01 1.37540e+00 2615 2006 10 2.47729e+01 2.01812e+00 2996 2006 11 1.87502e+01 1.77767e+00 1730 2006 12 1.63157e+01 1.12520e+00 630 2007 1 1.47145e+01 9.16680e-01 929 2007 2 1.36997e+01 1.08571e+00 1209 2007 3 1.86890e+01 1.60253e+00 3271 2007 4 2.08453e+01 1.46383e+00 2549 2007 5 2.44232e+01 1.08576e+00 3947 2007 6 2.78716e+01 1.62493e+00 2734 2007 7 2.99318e+01 1.49538e+00 2305 2007 8 3.05866e+01 1.13595e+00 2635 2007 9 2.87833e+01 1.35145e+00 2622 2007 10 2.65108e+01 8.01111e-01 1899 2007 11 1.97548e+01 1.59722e+00 2797 2007 12 1.84591e+01 1.38269e+00 1690 2008 1 1.39925e+01 2.07646e+00 919 2008 2 1.67588e+01 1.41446e+00 1474 2008 3 1.79990e+01 1.96736e+00 2608 2008 4 2.21694e+01 1.47744e+00 2626 2008 5 2.50971e+01 1.74533e+00 3256 2008 6 2.89299e+01 1.31113e+00 2382 2008 7 2.98828e+01 1.50736e+00 1545 2008 8 2.85089e+01 1.48264e+00 1438 2008 9 2.78242e+01 1.64738e+00 2812 2008 10 2.37456e+01 2.16968e+00 3279 2008 11 1.74860e+01 2.01922e+00 2387 2008 12 1.56299e+01 1.58445e+00 1606 2009 1 1.48178e+01 2.14394e+00 1965 2009 2 1.42417e+01 1.35426e+00 1771 2009 3 1.77540e+01 2.63622e+00 2106 2009 4 2.22169e+01 1.82497e+00 2577 2009 5 2.59477e+01 1.42500e+00 2475 2009 6 2.84206e+01 1.48851e+00 2645 2009 7 2.91543e+01 1.30490e+00 2137 2009 8 2.96739e+01 1.64474e+00 2400 2009 9 2.87773e+01 9.68550e-01 2449 2009 10 2.57540e+01 2.78908e+00 3163 2009 11 1.99231e+01 1.41858e+00 1891 2009 12 1.39897e+01 2.08392e+00 512 2010 1 1.09766e+01 2.45312e+00 1533 2010 2 1.24034e+01 9.06009e-01 1636 2010 3 1.49840e+01 1.90397e+00 2042 2010 4 2.09989e+01 1.46124e+00 2086 2010 5 2.67315e+01 1.90512e+00 3580 2010 6 3.03855e+01 1.25162e+00 2610 2010 7 2.98140e+01 1.46284e+00 2722 2010 8 3.03059e+01 1.53473e+00 1437 2010 9 2.93893e+01 1.40109e+00 2644 2010 10 2.46901e+01 1.05390e+00 4391 2010 11 2.02083e+01 1.40715e+00 2763 2010 12 1.41332e+01 2.85253e+00 1974 2011 1 1.17021e+01 8.16321e-01 1450 2011 2 1.48448e+01 1.99698e+00 840 2011 3 1.90954e+01 1.49154e+00 2217 2011 4 2.37121e+01 1.46040e+00 3665 2011 5 2.60121e+01 1.38145e+00 4171 2011 6 2.94083e+01 1.41204e+00 2491 2011 7 2.97400e+01 1.53444e+00 1834 2011 8 3.06624e+01 1.08624e+00 2810 2011 9 2.84508e+01 1.02431e+00 2928 2011 10 2.38311e+01 1.94307e+00 2524 2011 11 1.91925e+01 9.94074e-01 2197 2011 12 1.66147e+01 8.43446e-01 1650 2012 1 1.53182e+01 1.61425e+00 1981 2012 2 1.67987e+01 2.14150e+00 622 2012 3 2.12605e+01 2.01615e+00 3001 2012 4 2.35088e+01 1.02282e+00 3464 2012 5 2.69453e+01 1.03786e+00 3199 2012 6 2.74721e+01 1.20352e+00 2007 2012 7 2.94952e+01 1.78964e+00 2383 2012 8 2.93126e+01 1.45452e+00 2082 2012 9 2.83165e+01 1.18801e+00 2393 2012 10 2.45707e+01 2.49020e+00 2758 2012 11 1.87205e+01 9.60533e-01 2344 2012 12 1.75725e+01 1.67376e+00 1933 2013 1 1.57801e+01 1.24056e+00 1024 2013 2 1.63353e+01 1.21447e+00 1637 2013 3 1.62487e+01 1.47024e+00 2758 2013 4 2.10233e+01 2.18250e+00 2080 2013 5 2.45963e+01 1.93564e+00 2993 2013 6 2.84109e+01 1.88219e+00 2429 2013 7 2.87727e+01 1.62584e+00 1338 2013 8 2.98941e+01 1.78753e+00 2507 2013 9 2.95400e+01 1.71637e+00 2731 2013 10 2.53869e+01 1.81819e+00 2807 2013 11 1.96707e+01 2.41606e+00 1591 2013 12 1.64207e+01 1.69077e+00 1031 2014 1 1.28420e+01 9.48820e-01 819 2014 2 1.54003e+01 2.37202e+00 1183 2014 3 1.77104e+01 1.48229e+00 2100 2014 4 2.15709e+01 1.63510e+00 1947 2014 5 2.53107e+01 1.62663e+00 2399 2014 6 2.86353e+01 1.66243e+00 2459 2014 7 3.03235e+01 1.46736e+00 1972 2014 8 2.97952e+01 1.24418e+00 2502 2014 9 2.83987e+01 1.49340e+00 1443 2014 10 2.53897e+01 1.86612e+00 3448 2014 11 1.80044e+01 2.25534e+00 1877 2014 12 1.64279e+01 1.23441e+00 1748 2015 1 1.50172e+01 1.55994e+00 2018 2015 2 1.38343e+01 1.28794e+00 1776 2015 3 1.94705e+01 2.35162e+00 1864 2015 4 2.33662e+01 1.84157e+00 1504 2015 5 2.67605e+01 1.78697e+00 4161 2015 6 3.00296e+01 1.49676e+00 2231 2015 7 2.95006e+01 1.52740e+00 1644 2015 8 2.98203e+01 1.70886e+00 2251 2015 9 2.76955e+01 1.40453e+00 1405 2015 10 2.40157e+01 1.36360e+00 2452 2015 11 2.24080e+01 2.83580e+00 2479 2015 12 1.87413e+01 1.24825e+00 962 2016 1 1.52729e+01 1.83344e+00 1339 2016 2 1.47808e+01 1.65951e+00 1510 2016 3 1.84803e+01 1.79951e+00 999 2016 4 2.21785e+01 1.81776e+00 2315 2016 5 2.59125e+01 1.82042e+00 3129 2016 6 2.95310e+01 1.03642e+00 2892 2016 7 3.11783e+01 1.13529e+00 3260 2016 8 3.03974e+01 1.16599e+00 2165 2016 9 2.92800e+01 1.25621e+00 2681 2016 10 2.53172e+01 1.81346e+00 3130 2016 11 2.07896e+01 2.28361e+00 2857 2016 12 1.83262e+01 1.53210e+00 1943 2017 1 1.63318e+01 1.29920e+00 1465 2017 2 1.78816e+01 1.72820e+00 2253 2017 3 1.88985e+01 1.93333e+00 2808 2017 4 2.32486e+01 1.25756e+00 3081 2017 5 2.52685e+01 1.37411e+00 2426 2017 6 2.83066e+01 1.32562e+00 1426 2017 7 3.01603e+01 1.50635e+00 1948 2017 8 3.02983e+01 1.49499e+00 2024 2017 9 2.83409e+01 1.48612e+00 2465 2017 10 2.53422e+01 2.32219e+00 3016 2017 11 2.03251e+01 1.23253e+00 3080 2017 12 1.76088e+01 2.36774e+00 1204 2018 1 1.17960e+01 1.39797e+00 1315 2018 2 1.86695e+01 2.84867e+00 1513 2018 3 1.83497e+01 2.00254e+00 2858 2018 4 2.15163e+01 1.16043e+00 2619 2018 5 2.47948e+01 1.71978e+00 2097 2018 6 2.91709e+01 1.79404e+00 2297 2018 7 3.00879e+01 1.37824e+00 1843 2018 8 3.02729e+01 1.37360e+00 1884 2018 9 3.03419e+01 1.24808e+00 3324 2018 10 2.70910e+01 2.25078e+00 3216 2018 11 2.01862e+01 2.31803e+00 1544 2018 12 1.64449e+01 1.64904e+00 1549 2019 1 1.58927e+01 1.65108e+00 1478 2019 2 1.79587e+01 2.46243e+00 902 2019 3 1.88457e+01 1.63326e+00 2440 2019 4 2.22955e+01 1.77325e+00 2288 2019 5 2.74295e+01 1.96211e+00 3422 2019 6 2.90819e+01 1.60673e+00 1826 2019 7 2.94510e+01 1.92227e+00 1742 2019 8 2.97736e+01 1.18442e+00 2097 2019 9 2.90586e+01 1.11774e+00 3608 2019 10 2.62638e+01 1.97129e+00 2504 2019 11 1.94293e+01 2.50484e+00 2169 2019 12 1.74327e+01 1.27496e+00 1807 2020 1 1.64909e+01 1.52266e+00 2431 2020 2 1.57449e+01 1.05050e+00 1742 2020 3 2.12251e+01 3.46739e+00 2697 2020 4 2.39847e+01 1.07552e+00 1997 2020 5 2.48502e+01 1.37836e+00 3115 2020 6 2.94440e+01 1.20353e+00 2219 2020 7 3.00574e+01 1.24600e+00 2092 2020 8 3.15842e+01 1.25445e+00 1343 2020 9 2.86468e+01 2.19784e+00 1205 2020 10 2.58534e+01 8.71033e-01 2541 2020 11 2.16427e+01 1.98909e+00 2734 2020 12 1.54606e+01 1.53223e+00 2728 2021 1 1.46358e+01 1.32166e+00 1763 2021 2 1.68410e+01 2.31908e+00 1847 2021 3 1.88943e+01 1.60084e+00 2226 2021 4 2.21818e+01 1.62696e+00 2636 2021 5 2.55450e+01 1.35082e+00 2837 2021 6 2.81760e+01 1.10138e+00 1226 2021 7 2.93013e+01 1.41445e+00 1692 2021 8 3.01639e+01 1.17487e+00 1794 2021 9 2.87320e+01 1.24039e+00 2148 2021 10 2.64989e+01 1.66973e+00 2066 2021 11 1.91608e+01 1.57538e+00 2726 2021 12 1.82208e+01 1.12135e+00 2563 2022 1 1.61085e+01 2.17117e+00 2611 2022 2 1.63526e+01 2.52028e+00 2106 2022 3 1.93048e+01 1.24355e+00 2875 2022 4 2.30515e+01 1.34535e+00 2082 2022 5 2.67261e+01 1.22933e+00 2916 2022 6 2.94388e+01 1.13720e+00 2878 2022 7 3.09706e+01 1.06126e+00 2127 2022 8 3.10842e+01 1.12595e+00 2033 2022 9 2.86419e+01 1.94903e+00 2030 2022 10 2.35472e+01 1.43683e+00 3012 2022 11 2.15236e+01 2.48562e+00 1485 2022 12 1.76211e+01 2.88974e+00 2898 2023 1 1.50335e+01 1.02336e+00 2545 2023 2 1.71905e+01 1.29428e+00 2011 2023 3 2.06987e+01 1.71633e+00 3018 2023 4 2.32698e+01 1.21299e+00 2092 2023 5 2.56691e+01 1.62324e+00 2518 2023 6 2.78710e+01 1.15773e+00 2413 2023 7 3.07352e+01 1.33115e+00 2815 2023 8 3.12549e+01 1.00095e+00 2729 2023 9 2.94381e+01 1.30189e+00 2302 2023 10 2.39802e+01 1.54370e+00 2563 2023 11 2.07543e+01 1.57579e+00 2075 2023 12 1.49942e+01 1.57289e+00 1455 2024 1 1.39933e+01 7.65918e-01 1160 2024 2 1.56308e+01 8.89317e-01 1943 2024 3 2.04503e+01 1.26487e+00 1883 2024 4 2.21492e+01 5.61425e-01 192