YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.91561e+01 8.65116e-01 180 2000 3 2.22760e+01 7.49169e-01 807 2000 4 2.37607e+01 8.00315e-01 708 2000 5 2.63775e+01 1.54493e+00 548 2000 6 2.94195e+01 9.27869e-01 260 2000 7 2.92483e+01 2.09129e+00 307 2000 8 2.99006e+01 2.70182e-01 141 2000 9 2.91463e+01 1.26516e+00 443 2000 10 2.46356e+01 1.39493e+00 743 2000 11 2.31103e+01 1.26234e+00 568 2000 12 1.94763e+01 1.45929e+00 539 2001 1 1.50165e+01 1.10831e-02 17 2001 2 1.98942e+01 2.01596e+00 331 2001 3 2.02672e+01 9.78972e-01 433 2001 4 2.34038e+01 1.68808e+00 522 2001 5 2.36765e+01 1.46520e+00 692 2001 6 2.95946e+01 9.53698e-01 281 2001 7 2.88667e+01 1.03592e+00 334 2001 8 3.02218e+01 7.75940e-01 394 2001 9 2.92882e+01 7.20476e-01 309 2001 10 2.66603e+01 1.34082e+00 452 2001 11 2.20264e+01 7.37224e-01 826 2001 12 2.31510e+01 8.08075e-01 709 2002 1 1.92726e+01 2.29257e+00 554 2002 2 1.88072e+01 1.22953e+00 399 2002 3 2.00329e+01 1.75135e+00 389 2002 4 2.54862e+01 1.02929e+00 750 2002 5 2.73729e+01 7.41530e-01 704 2002 6 2.70450e+01 6.62863e-01 251 2002 7 2.93530e+01 1.57872e+00 1733 2002 8 3.01764e+01 1.04924e+00 1738 2002 9 2.97479e+01 1.11701e+00 1762 2002 10 2.85134e+01 1.23391e+00 3717 2002 11 2.43287e+01 2.62943e+00 2276 2002 12 1.89706e+01 9.89890e-01 1344 2003 1 1.60849e+01 1.16536e+00 2137 2003 2 1.79488e+01 1.66690e+00 1273 2003 3 2.35205e+01 1.41411e+00 1803 2003 4 2.32832e+01 1.23336e+00 2664 2003 5 2.82434e+01 1.53008e+00 3521 2003 6 2.90607e+01 1.36474e+00 1623 2003 7 3.04028e+01 1.44323e+00 1635 2003 8 2.89223e+01 1.53920e+00 1843 2003 9 2.92265e+01 1.23311e+00 1879 2003 10 2.70582e+01 1.40613e+00 2835 2003 11 2.37535e+01 1.16689e+00 3070 2003 12 1.85652e+01 1.81477e+00 1854 2004 1 1.78816e+01 1.29169e+00 2590 2004 2 1.84575e+01 1.34837e+00 1324 2004 3 2.05551e+01 1.09221e+00 2207 2004 4 2.22802e+01 1.60515e+00 2564 2004 5 2.62480e+01 1.31936e+00 3450 2004 6 3.01213e+01 8.87289e-01 2849 2004 7 3.00844e+01 1.67961e+00 2229 2004 8 3.02368e+01 1.77145e+00 1812 2004 9 2.87154e+01 1.97509e+00 1978 2004 10 2.67228e+01 1.51366e+00 2974 2004 11 2.39144e+01 1.23075e+00 2958 2004 12 1.96533e+01 2.42701e+00 1581 2005 1 1.80583e+01 1.26107e+00 2089 2005 2 1.75253e+01 1.40914e+00 2047 2005 3 1.98945e+01 1.68237e+00 1456 2005 4 2.28494e+01 8.03273e-01 2632 2005 5 2.58427e+01 1.69137e+00 2588 2005 6 2.86757e+01 1.67303e+00 1375 2005 7 3.01416e+01 1.31246e+00 2645 2005 8 3.15334e+01 1.41292e+00 2392 2005 9 2.92364e+01 9.46216e-01 2487 2005 10 2.61877e+01 1.90828e+00 2031 2005 11 2.27193e+01 1.08601e+00 2497 2005 12 1.97285e+01 1.54330e+00 2069 2006 1 1.81469e+01 1.00351e+00 1950 2006 2 1.82554e+01 1.04038e+00 1806 2006 3 2.08436e+01 1.52237e+00 2999 2006 4 2.38592e+01 1.89769e+00 3076 2006 5 2.66191e+01 1.17505e+00 2933 2006 6 2.89487e+01 1.32447e+00 2534 2006 7 2.94362e+01 1.66482e+00 2182 2006 8 3.03994e+01 1.27774e+00 2631 2006 9 3.00905e+01 1.43588e+00 2631 2006 10 2.73234e+01 1.71537e+00 3463 2006 11 2.20158e+01 2.21657e+00 1508 2006 12 1.96164e+01 9.64063e-01 1485 2007 1 2.01991e+01 1.14541e+00 1889 2007 2 1.78281e+01 1.33955e+00 1574 2007 3 2.00019e+01 1.06994e+00 2313 2007 4 2.27688e+01 1.34980e+00 2517 2007 5 2.48118e+01 9.41840e-01 3436 2007 6 2.74674e+01 1.87665e+00 2504 2007 7 3.05545e+01 1.67180e+00 2074 2007 8 3.08678e+01 1.03950e+00 2490 2007 9 2.98518e+01 1.58719e+00 2528 2007 10 2.79270e+01 1.07980e+00 2023 2007 11 2.27911e+01 1.68164e+00 3170 2007 12 2.18446e+01 9.84176e-01 2529 2008 1 1.85452e+01 1.22017e+00 1986 2008 2 2.05023e+01 1.21129e+00 1878 2008 3 2.07026e+01 1.39543e+00 1883 2008 4 2.40091e+01 1.10433e+00 3085 2008 5 2.67427e+01 1.58641e+00 3842 2008 6 2.99138e+01 1.09676e+00 2264 2008 7 3.03023e+01 1.23690e+00 1629 2008 8 3.00306e+01 1.29796e+00 1830 2008 9 2.88561e+01 1.32127e+00 2059 2008 10 2.61537e+01 1.77378e+00 2401 2008 11 2.04657e+01 1.48001e+00 2640 2008 12 1.90026e+01 9.85229e-01 2104 2009 1 1.84588e+01 1.78811e+00 2495 2009 2 1.68585e+01 1.25221e+00 1670 2009 3 2.01245e+01 1.79622e+00 2531 2009 4 2.39160e+01 6.95325e-01 2688 2009 5 2.73214e+01 1.20477e+00 2511 2009 6 2.90571e+01 1.42836e+00 2430 2009 7 3.01859e+01 1.46381e+00 2434 2009 8 3.05925e+01 1.23490e+00 2286 2009 9 3.03478e+01 1.12902e+00 2112 2009 10 2.82169e+01 2.27695e+00 3410 2009 11 2.38584e+01 1.81886e+00 1796 2009 12 2.03571e+01 1.84712e+00 1373 2010 1 1.49325e+01 2.32181e+00 1188 2010 2 1.52841e+01 1.16993e+00 1173 2010 3 1.62549e+01 1.52985e+00 1703 2010 4 2.10254e+01 1.72576e+00 1840 2010 5 2.69612e+01 1.78384e+00 3531 2010 6 3.01690e+01 9.40747e-01 3143 2010 7 2.90637e+01 1.38901e+00 2462 2010 8 3.05175e+01 1.15612e+00 2113 2010 9 2.95074e+01 1.33208e+00 2570 2010 10 2.62129e+01 1.27960e+00 3893 2010 11 2.24165e+01 1.56297e+00 3105 2010 12 1.77062e+01 2.87159e+00 2037 2011 1 1.51589e+01 9.84668e-01 1805 2011 2 1.79682e+01 1.58779e+00 1694 2011 3 2.06608e+01 1.33577e+00 2723 2011 4 2.58020e+01 1.33862e+00 3586 2011 5 2.76924e+01 1.26064e+00 3749 2011 6 2.96122e+01 1.23007e+00 2684 2011 7 3.03741e+01 1.07830e+00 1728 2011 8 3.04504e+01 1.27536e+00 2242 2011 9 2.95500e+01 9.80807e-01 2358 2011 10 2.64064e+01 2.02886e+00 1979 2011 11 2.21353e+01 7.51792e-01 2827 2011 12 2.05541e+01 8.37266e-01 2755 2012 1 1.87201e+01 1.31315e+00 2362 2012 2 2.01045e+01 1.76375e+00 1443 2012 3 2.34304e+01 9.93559e-01 3278 2012 4 2.49440e+01 8.57019e-01 2654 2012 5 2.75392e+01 1.28703e+00 2665 2012 6 2.86662e+01 1.15316e+00 1864 2012 7 2.96428e+01 1.05146e+00 2104 2012 8 3.02232e+01 1.73267e+00 1590 2012 9 2.89773e+01 1.29997e+00 2098 2012 10 2.69523e+01 1.92036e+00 2062 2012 11 2.13086e+01 1.25650e+00 2290 2012 12 2.04109e+01 1.21888e+00 1903 2013 1 2.04602e+01 1.18881e+00 1915 2013 2 1.97253e+01 1.04187e+00 2578 2013 3 1.92187e+01 9.26610e-01 2308 2013 4 2.41762e+01 2.15808e+00 2188 2013 5 2.62811e+01 1.30099e+00 3141 2013 6 2.90279e+01 1.96257e+00 2465 2013 7 2.95020e+01 1.46112e+00 1501 2013 8 3.02213e+01 1.40101e+00 1902 2013 9 2.98839e+01 1.40436e+00 2413 2013 10 2.77947e+01 1.62174e+00 2358 2013 11 2.34749e+01 1.35565e+00 2186 2013 12 2.14044e+01 1.30223e+00 2450 2014 1 1.76818e+01 1.48522e+00 1697 2014 2 1.88711e+01 1.23114e+00 1288 2014 3 2.14110e+01 8.94145e-01 2449 2014 4 2.33760e+01 1.59734e+00 2005 2014 5 2.65289e+01 9.51173e-01 2468 2014 6 2.92053e+01 1.34830e+00 2188 2014 7 3.05602e+01 1.39011e+00 2078 2014 8 3.09768e+01 1.16140e+00 2619 2014 9 2.98892e+01 1.48741e+00 2060 2014 10 2.73232e+01 1.46972e+00 2751 2014 11 2.20103e+01 1.89367e+00 2213 2014 12 1.94950e+01 1.12895e+00 2460 2015 1 1.92714e+01 1.25870e+00 2001 2015 2 1.76226e+01 8.96571e-01 2148 2015 3 2.26727e+01 1.29218e+00 3041 2015 4 2.56510e+01 2.08759e+00 2367 2015 5 2.80269e+01 1.21599e+00 3186 2015 6 3.02493e+01 1.32077e+00 1992 2015 7 3.04658e+01 1.10113e+00 2345 2015 8 3.04699e+01 1.46544e+00 1911 2015 9 2.95933e+01 1.42095e+00 986 2015 10 2.73462e+01 1.70106e+00 2222 2015 11 2.58248e+01 1.74025e+00 3018 2015 12 2.22333e+01 1.28947e+00 1581 2016 1 2.07871e+01 2.35957e+00 788 2016 2 1.82311e+01 1.52750e+00 2191 2016 3 2.09855e+01 1.79790e+00 1648 2016 4 2.42724e+01 1.14680e+00 2843 2016 5 2.69605e+01 1.50151e+00 2907 2016 6 2.95549e+01 1.61513e+00 2254 2016 7 3.11702e+01 1.19109e+00 2191 2016 8 3.05854e+01 1.40230e+00 1986 2016 9 2.99111e+01 1.24254e+00 2566 2016 10 2.70149e+01 2.05380e+00 2577 2016 11 2.29478e+01 1.66940e+00 2830 2016 12 2.16735e+01 9.81144e-01 3212 2017 1 2.01437e+01 9.74197e-01 2293 2017 2 2.05466e+01 1.01695e+00 2418 2017 3 2.14971e+01 1.17847e+00 3058 2017 4 2.39364e+01 1.58931e+00 2146 2017 5 2.71262e+01 1.43218e+00 2903 2017 6 2.91229e+01 1.91835e+00 1479 2017 7 3.09699e+01 1.26561e+00 1901 2017 8 3.11092e+01 1.60506e+00 2582 2017 9 2.96062e+01 1.62408e+00 2629 2017 10 2.74062e+01 1.80222e+00 2301 2017 11 2.29870e+01 7.25442e-01 3524 2017 12 2.16869e+01 1.35568e+00 2993 2018 1 1.66975e+01 1.34919e+00 1601 2018 2 2.13475e+01 2.56462e+00 2791 2018 3 2.13573e+01 1.30534e+00 3302 2018 4 2.45149e+01 1.03224e+00 2383 2018 5 2.50665e+01 9.17048e-01 1994 2018 6 2.92507e+01 1.82162e+00 2607 2018 7 3.08121e+01 1.17123e+00 2215 2018 8 3.08618e+01 9.41098e-01 2509 2018 9 3.04646e+01 1.61698e+00 2639 2018 10 2.82809e+01 1.22528e+00 3171 2018 11 2.52947e+01 1.50165e+00 2138 2018 12 2.01280e+01 1.39992e+00 1749 2019 1 1.91851e+01 1.59461e+00 2197 2019 2 2.07915e+01 2.05931e+00 2239 2019 3 2.24746e+01 9.36908e-01 2386 2019 4 2.47692e+01 1.43514e+00 2629 2019 5 2.82184e+01 1.25189e+00 2945 2019 6 3.02585e+01 1.34996e+00 2329 2019 7 3.05043e+01 1.35177e+00 2440 2019 8 3.04729e+01 1.00546e+00 1285 2019 9 2.92855e+01 1.08587e+00 2725 2019 10 2.80151e+01 6.63156e-01 2436 2019 11 2.44282e+01 2.59708e+00 2224 2019 12 2.09450e+01 1.16829e+00 1951 2020 1 2.00471e+01 1.38205e+00 3337 2020 2 2.01084e+01 1.55996e+00 2410 2020 3 2.30632e+01 2.50173e+00 3243 2020 4 2.63180e+01 9.94511e-01 2311 2020 5 2.64510e+01 1.14541e+00 2799 2020 6 3.02696e+01 1.22870e+00 1883 2020 7 3.11459e+01 7.30144e-01 1946 2020 8 3.14587e+01 1.31629e+00 1498 2020 9 3.01033e+01 1.33003e+00 2089 2020 10 2.79194e+01 1.10702e+00 1756 2020 11 2.43909e+01 1.43496e+00 2664 2020 12 1.96695e+01 1.48820e+00 2657 2021 1 1.81512e+01 1.20830e+00 1840 2021 2 2.06299e+01 1.92634e+00 2600 2021 3 2.21998e+01 1.39625e+00 2705 2021 4 2.48197e+01 1.50991e+00 3013 2021 5 2.75861e+01 1.04042e+00 3397 2021 6 2.86898e+01 1.10609e+00 1364 2021 7 2.97423e+01 1.60529e+00 1990 2021 8 3.09836e+01 1.21479e+00 1701 2021 9 3.02251e+01 9.66394e-01 2123 2021 10 2.89890e+01 1.22738e+00 2753 2021 11 2.25959e+01 1.64844e+00 2604 2021 12 2.18028e+01 9.73122e-01 3439 2022 1 2.05209e+01 1.81581e+00 2864 2022 2 1.90632e+01 2.32964e+00 2229 2022 3 2.23479e+01 1.49311e+00 3414 2022 4 2.46867e+01 9.18466e-01 1968 2022 5 2.76659e+01 1.33988e+00 2662 2022 6 2.96355e+01 1.27061e+00 2361 2022 7 3.14123e+01 8.53096e-01 2913 2022 8 3.14073e+01 1.02033e+00 1842 2022 9 3.06026e+01 1.56773e+00 1730 2022 10 2.62075e+01 1.37651e+00 2650 2022 11 2.47587e+01 1.44661e+00 2379 2022 12 2.20259e+01 2.12471e+00 2788 2023 1 1.90391e+01 1.33193e+00 2798 2023 2 2.17774e+01 1.58591e+00 3208 2023 3 2.40733e+01 1.29092e+00 4166 2023 4 2.62732e+01 1.13784e+00 2821 2023 5 2.81588e+01 1.37679e+00 3796 2023 6 2.93681e+01 1.29639e+00 2532 2023 7 3.19995e+01 9.41257e-01 2288 2023 8 3.17215e+01 1.05512e+00 2550 2023 9 3.05324e+01 1.14727e+00 2580 2023 10 2.68016e+01 1.85418e+00 2804 2023 11 2.36177e+01 1.20700e+00 2022 2023 12 1.93608e+01 1.55089e+00 1115 2024 1 1.85670e+01 1.22815e+00 1263 2024 2 1.86905e+01 9.04141e-01 2487 2024 3 2.34140e+01 1.16040e+00 1628 2024 4 2.39818e+01 6.37586e-01 148