YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.83890e+01 1.57177e-01 134 2000 3 2.08481e+01 1.37953e+00 802 2000 4 2.23254e+01 9.55880e-01 658 2000 5 2.57080e+01 1.63689e+00 885 2000 6 2.83225e+01 1.09136e+00 436 2000 7 2.87334e+01 6.88770e-01 448 2000 8 2.99220e+01 3.20077e-01 256 2000 9 2.72120e+01 1.69573e+00 308 2000 10 2.29203e+01 1.79352e+00 1018 2000 11 2.16359e+01 2.22822e+00 387 2000 12 1.62264e+01 1.13788e+00 190 2001 1 1.21143e+01 1.01734e-01 64 2001 2 1.74506e+01 2.16725e+00 401 2001 3 1.70417e+01 1.11561e+00 480 2001 4 2.18911e+01 2.04927e+00 664 2001 5 2.51597e+01 1.38394e+00 740 2001 6 2.88112e+01 6.86242e-01 253 2001 7 2.88963e+01 5.50104e-01 136 2001 8 2.90125e+01 2.11509e+00 435 2001 9 2.66802e+01 1.71624e+00 446 2001 10 2.28525e+01 1.97506e+00 436 2001 11 1.96606e+01 9.15192e-01 782 2001 12 1.93214e+01 2.42895e+00 625 2002 1 1.57156e+01 2.10830e+00 135 2002 2 1.61375e+01 1.80339e+00 378 2002 3 1.87526e+01 2.09382e+00 178 2002 4 2.40257e+01 2.21203e+00 493 2002 5 2.63684e+01 1.85647e+00 867 2002 6 2.83127e+01 1.02834e+00 576 2002 7 2.94876e+01 1.16298e+00 1670 2002 8 2.88346e+01 1.16235e+00 1961 2002 9 2.86365e+01 1.09511e+00 1954 2002 10 2.71769e+01 1.74861e+00 2726 2002 11 1.99837e+01 2.70018e+00 2176 2002 12 1.43836e+01 8.29930e-01 921 2003 1 1.18131e+01 1.42825e+00 1522 2003 2 1.51494e+01 1.89879e+00 1018 2003 3 2.12353e+01 1.57591e+00 1505 2003 4 2.19811e+01 2.07866e+00 2787 2003 5 2.72800e+01 1.38356e+00 2531 2003 6 2.82622e+01 1.35791e+00 1805 2003 7 3.00552e+01 1.60696e+00 840 2003 8 2.85239e+01 1.57998e+00 2182 2003 9 2.77852e+01 1.45726e+00 1746 2003 10 2.42829e+01 1.08749e+00 2702 2003 11 2.16074e+01 1.90205e+00 2622 2003 12 1.44366e+01 1.38544e+00 1161 2004 1 1.36687e+01 1.14583e+00 1744 2004 2 1.41823e+01 1.01448e+00 819 2004 3 1.89740e+01 1.51725e+00 2719 2004 4 2.04416e+01 1.73515e+00 2819 2004 5 2.63791e+01 1.82877e+00 3326 2004 6 2.98896e+01 1.32190e+00 1886 2004 7 3.00687e+01 1.42108e+00 2267 2004 8 2.97707e+01 1.36242e+00 2356 2004 9 2.69737e+01 2.05350e+00 1879 2004 10 2.49137e+01 1.89251e+00 2755 2004 11 2.18386e+01 2.42664e+00 2177 2004 12 1.64979e+01 2.18810e+00 1370 2005 1 1.43606e+01 1.97655e+00 1182 2005 2 1.47017e+01 1.10233e+00 1175 2005 3 1.70277e+01 1.93730e+00 1735 2005 4 2.06546e+01 9.59567e-01 3078 2005 5 2.51323e+01 2.04450e+00 2966 2005 6 2.84946e+01 1.42459e+00 1807 2005 7 3.05897e+01 1.56137e+00 2336 2005 8 3.04608e+01 1.68722e+00 1981 2005 9 2.79222e+01 1.41338e+00 2790 2005 10 2.50905e+01 3.04752e+00 2793 2005 11 1.97475e+01 1.78283e+00 1968 2005 12 1.49005e+01 2.06299e+00 1489 2006 1 1.51803e+01 1.45686e+00 1730 2006 2 1.49092e+01 1.57110e+00 1670 2006 3 1.88951e+01 1.36702e+00 3030 2006 4 2.28935e+01 2.31070e+00 2915 2006 5 2.53095e+01 1.79789e+00 3150 2006 6 2.85101e+01 1.08288e+00 3009 2006 7 3.01139e+01 1.21501e+00 2759 2006 8 3.03054e+01 1.12708e+00 2568 2006 9 2.86514e+01 1.60840e+00 2640 2006 10 2.41607e+01 2.24253e+00 2956 2006 11 1.90244e+01 1.44319e+00 1252 2006 12 1.62431e+01 1.47212e+00 654 2007 1 1.47653e+01 1.47422e+00 1159 2007 2 1.37953e+01 1.33141e+00 1359 2007 3 1.91387e+01 1.81009e+00 3241 2007 4 2.12143e+01 1.77606e+00 2397 2007 5 2.44484e+01 1.14050e+00 3407 2007 6 2.81400e+01 1.53932e+00 2466 2007 7 2.97512e+01 2.07312e+00 2212 2007 8 3.06528e+01 1.08051e+00 2610 2007 9 2.84051e+01 1.42038e+00 2198 2007 10 2.62145e+01 9.58598e-01 1853 2007 11 1.91926e+01 1.60616e+00 2860 2007 12 1.80598e+01 1.90748e+00 1624 2008 1 1.38489e+01 2.36492e+00 814 2008 2 1.70489e+01 1.19227e+00 1715 2008 3 1.81312e+01 2.18682e+00 2511 2008 4 2.22402e+01 1.45498e+00 2566 2008 5 2.53326e+01 1.34301e+00 2807 2008 6 2.92776e+01 1.10136e+00 2404 2008 7 2.98050e+01 1.59024e+00 1659 2008 8 2.84431e+01 1.58852e+00 1548 2008 9 2.76047e+01 1.87778e+00 2733 2008 10 2.33528e+01 2.37854e+00 3155 2008 11 1.72076e+01 2.26005e+00 2123 2008 12 1.59091e+01 1.62006e+00 1554 2009 1 1.48609e+01 2.35790e+00 1840 2009 2 1.43012e+01 1.62133e+00 1804 2009 3 1.84126e+01 2.95179e+00 2428 2009 4 2.23912e+01 1.82065e+00 2564 2009 5 2.62838e+01 1.51168e+00 2353 2009 6 2.87265e+01 1.53858e+00 2567 2009 7 2.92106e+01 1.28212e+00 2148 2009 8 2.94805e+01 1.94042e+00 2471 2009 9 2.86379e+01 1.22158e+00 2522 2009 10 2.57237e+01 2.85483e+00 3081 2009 11 1.95551e+01 1.71012e+00 1816 2009 12 1.39867e+01 1.95815e+00 545 2010 1 1.12791e+01 3.17312e+00 1313 2010 2 1.21369e+01 1.23548e+00 1790 2010 3 1.53166e+01 2.03580e+00 2191 2010 4 2.14745e+01 1.47808e+00 2346 2010 5 2.69747e+01 1.78721e+00 3144 2010 6 3.02523e+01 1.67768e+00 2706 2010 7 2.99149e+01 1.48998e+00 2655 2010 8 3.02021e+01 1.43064e+00 1361 2010 9 2.92450e+01 1.66303e+00 2694 2010 10 2.44574e+01 1.06389e+00 4246 2010 11 1.97626e+01 1.54337e+00 2787 2010 12 1.36780e+01 3.13053e+00 1543 2011 1 1.13435e+01 1.19217e+00 1538 2011 2 1.50931e+01 2.46563e+00 913 2011 3 1.97241e+01 1.63581e+00 2342 2011 4 2.39273e+01 1.61037e+00 3687 2011 5 2.61163e+01 1.61134e+00 4298 2011 6 2.94564e+01 1.41823e+00 2367 2011 7 2.99329e+01 1.25986e+00 1903 2011 8 3.05644e+01 1.30404e+00 2650 2011 9 2.83785e+01 1.06787e+00 2824 2011 10 2.33868e+01 1.97827e+00 2509 2011 11 1.89901e+01 1.21206e+00 2127 2011 12 1.62648e+01 9.18381e-01 1457 2012 1 1.53507e+01 1.84610e+00 1963 2012 2 1.67041e+01 2.34973e+00 584 2012 3 2.16453e+01 2.19450e+00 2817 2012 4 2.35541e+01 1.27241e+00 3525 2012 5 2.70643e+01 1.04607e+00 3298 2012 6 2.75372e+01 1.21732e+00 1876 2012 7 2.94881e+01 2.08246e+00 2566 2012 8 2.92987e+01 1.55204e+00 1942 2012 9 2.80851e+01 1.35317e+00 2179 2012 10 2.43354e+01 2.58986e+00 2546 2012 11 1.82370e+01 1.02059e+00 2227 2012 12 1.73159e+01 1.98428e+00 1848 2013 1 1.59734e+01 1.24952e+00 1022 2013 2 1.60190e+01 1.55430e+00 1561 2013 3 1.60252e+01 1.58789e+00 3003 2013 4 2.15829e+01 2.10412e+00 2113 2013 5 2.47773e+01 2.18777e+00 3146 2013 6 2.86105e+01 1.43778e+00 2461 2013 7 2.87490e+01 1.74603e+00 1421 2013 8 2.99699e+01 1.88417e+00 2287 2013 9 2.93658e+01 2.02362e+00 2548 2013 10 2.50363e+01 2.07665e+00 2460 2013 11 1.94211e+01 2.64501e+00 1642 2013 12 1.73082e+01 1.53819e+00 904 2014 1 1.26785e+01 1.17409e+00 906 2014 2 1.51030e+01 2.32685e+00 1319 2014 3 1.76112e+01 1.47967e+00 2020 2014 4 2.16285e+01 1.69460e+00 2192 2014 5 2.52406e+01 1.80779e+00 2658 2014 6 2.88605e+01 1.60082e+00 2315 2014 7 3.05046e+01 1.51708e+00 1836 2014 8 2.98102e+01 1.41013e+00 2727 2014 9 2.83127e+01 1.57336e+00 1315 2014 10 2.51760e+01 1.91139e+00 3178 2014 11 1.71586e+01 2.06272e+00 1715 2014 12 1.64790e+01 1.25922e+00 1693 2015 1 1.47421e+01 1.69268e+00 1966 2015 2 1.38184e+01 1.32754e+00 1744 2015 3 1.99327e+01 1.91928e+00 2022 2015 4 2.36976e+01 1.89848e+00 1374 2015 5 2.68211e+01 2.06099e+00 4052 2015 6 3.00948e+01 1.18944e+00 2252 2015 7 2.93477e+01 1.87514e+00 1714 2015 8 3.01791e+01 1.44679e+00 2332 2015 9 2.73298e+01 1.86373e+00 1395 2015 10 2.39317e+01 1.47810e+00 2229 2015 11 2.24119e+01 3.14786e+00 2453 2015 12 1.85856e+01 1.55066e+00 858 2016 1 1.46361e+01 1.90737e+00 1397 2016 2 1.46694e+01 1.67410e+00 1566 2016 3 1.87239e+01 1.89623e+00 1268 2016 4 2.22339e+01 1.88844e+00 2269 2016 5 2.62103e+01 1.67036e+00 2971 2016 6 2.96494e+01 1.21848e+00 2632 2016 7 3.12972e+01 1.18346e+00 2970 2016 8 3.02727e+01 1.06801e+00 2192 2016 9 2.93737e+01 1.21328e+00 2569 2016 10 2.50032e+01 1.81283e+00 3005 2016 11 2.02012e+01 2.40143e+00 2656 2016 12 1.78827e+01 1.92180e+00 1866 2017 1 1.62682e+01 1.68465e+00 1492 2017 2 1.81670e+01 1.72718e+00 2285 2017 3 1.90780e+01 2.13666e+00 2894 2017 4 2.34269e+01 1.37456e+00 3002 2017 5 2.53187e+01 1.46992e+00 2506 2017 6 2.87123e+01 1.74016e+00 1537 2017 7 3.01341e+01 1.67263e+00 1649 2017 8 3.02324e+01 1.72881e+00 2068 2017 9 2.79923e+01 1.58491e+00 2530 2017 10 2.49666e+01 2.62556e+00 2938 2017 11 1.99766e+01 1.12162e+00 2904 2017 12 1.74343e+01 2.64827e+00 1167 2018 1 1.12438e+01 1.85572e+00 1174 2018 2 1.94323e+01 3.79316e+00 1701 2018 3 1.82473e+01 2.13518e+00 2941 2018 4 2.16473e+01 1.24394e+00 2837 2018 5 2.55468e+01 1.36049e+00 2014 2018 6 2.93833e+01 1.89048e+00 2077 2018 7 2.97923e+01 1.71316e+00 1770 2018 8 3.01447e+01 1.33742e+00 1704 2018 9 3.03247e+01 1.24499e+00 3156 2018 10 2.68164e+01 2.21783e+00 3099 2018 11 1.96725e+01 2.12580e+00 1257 2018 12 1.57652e+01 1.61902e+00 1378 2019 1 1.56124e+01 1.95872e+00 1586 2019 2 1.80766e+01 3.16290e+00 1234 2019 3 1.91059e+01 1.40756e+00 2547 2019 4 2.25651e+01 1.82942e+00 2249 2019 5 2.76639e+01 1.90568e+00 3311 2019 6 2.94178e+01 1.21901e+00 1946 2019 7 2.95156e+01 1.78325e+00 1798 2019 8 2.99673e+01 1.08390e+00 2307 2019 9 2.89343e+01 1.13642e+00 3490 2019 10 2.61813e+01 1.97950e+00 2266 2019 11 1.90585e+01 2.55340e+00 2050 2019 12 1.68313e+01 1.74786e+00 1751 2020 1 1.60935e+01 1.75646e+00 2295 2020 2 1.57029e+01 1.20087e+00 1745 2020 3 2.17054e+01 3.47961e+00 2759 2020 4 2.41222e+01 1.12401e+00 1781 2020 5 2.49158e+01 1.59807e+00 3236 2020 6 2.95082e+01 1.36471e+00 2135 2020 7 3.01218e+01 1.12334e+00 1739 2020 8 3.16314e+01 1.22008e+00 1257 2020 9 2.85222e+01 2.15679e+00 1272 2020 10 2.58024e+01 1.05907e+00 2484 2020 11 2.12600e+01 2.08714e+00 2617 2020 12 1.48142e+01 1.38905e+00 2683 2021 1 1.45195e+01 1.68500e+00 1746 2021 2 1.69352e+01 2.34302e+00 1896 2021 3 1.93455e+01 1.94000e+00 2249 2021 4 2.22722e+01 1.79784e+00 2595 2021 5 2.55770e+01 1.49350e+00 2834 2021 6 2.85148e+01 1.16676e+00 1272 2021 7 2.95325e+01 1.39941e+00 1704 2021 8 3.01546e+01 1.42674e+00 1863 2021 9 2.86219e+01 1.47717e+00 2052 2021 10 2.61516e+01 1.65614e+00 2189 2021 11 1.86670e+01 1.55469e+00 2636 2021 12 1.80736e+01 1.40649e+00 2664 2022 1 1.55662e+01 2.43279e+00 2737 2022 2 1.64706e+01 2.73271e+00 2226 2022 3 1.94652e+01 1.37142e+00 3049 2022 4 2.32642e+01 1.35248e+00 2075 2022 5 2.68817e+01 1.34358e+00 2934 2022 6 2.96588e+01 1.11859e+00 2775 2022 7 3.07825e+01 1.22361e+00 2101 2022 8 3.10617e+01 1.15016e+00 2028 2022 9 2.84984e+01 1.97304e+00 1916 2022 10 2.31566e+01 1.53408e+00 2944 2022 11 2.14459e+01 2.42638e+00 1733 2022 12 1.76424e+01 3.06122e+00 2777 2023 1 1.50224e+01 1.31099e+00 2533 2023 2 1.73686e+01 1.42177e+00 2022 2023 3 2.07879e+01 2.09848e+00 3017 2023 4 2.33584e+01 1.18296e+00 1894 2023 5 2.57375e+01 1.87421e+00 2485 2023 6 2.80022e+01 1.47205e+00 1957 2023 7 3.08421e+01 1.26478e+00 2784 2023 8 3.11710e+01 1.02865e+00 2686 2023 9 2.91455e+01 1.43716e+00 2251 2023 10 2.37358e+01 1.50532e+00 2625 2023 11 2.02966e+01 1.83039e+00 2022 2023 12 1.47075e+01 1.51486e+00 1518 2024 1 1.36661e+01 1.20828e+00 1306 2024 2 1.58714e+01 9.11833e-01 1872 2024 3 2.04623e+01 1.48067e+00 1959 2024 4 2.22016e+01 5.61153e-01 128