YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.86282e+01 2.01939e-01 98 2000 3 2.09071e+01 1.52318e+00 730 2000 4 2.21366e+01 9.84099e-01 753 2000 5 2.60331e+01 1.83249e+00 715 2000 6 2.81641e+01 8.55108e-01 404 2000 7 2.85139e+01 1.48155e+00 294 2000 8 2.93127e+01 1.34521e+00 318 2000 9 2.69112e+01 1.61869e+00 293 2000 10 2.35195e+01 2.03809e+00 705 2000 11 2.15958e+01 2.69708e+00 404 2000 12 1.49979e+01 6.68078e-02 7 2001 1 1.21084e+01 5.26995e-02 64 2001 2 1.79945e+01 2.17048e+00 541 2001 3 1.64127e+01 1.57463e+00 392 2001 4 2.18596e+01 2.16165e+00 667 2001 5 2.57736e+01 1.09743e+00 640 2001 6 2.90545e+01 8.56023e-01 137 2001 7 2.92779e+01 4.41008e-01 130 2001 8 3.05462e+01 9.31353e-01 327 2001 9 2.72402e+01 1.65982e+00 263 2001 10 2.24711e+01 1.68790e+00 423 2001 11 1.98117e+01 1.08913e+00 756 2001 12 1.90243e+01 2.68028e+00 548 2002 1 1.81679e+01 4.34412e-01 143 2002 2 1.64702e+01 2.10550e+00 385 2002 3 2.06990e+01 1.57969e+00 194 2002 4 2.47069e+01 1.90673e+00 426 2002 5 2.63972e+01 1.78741e+00 830 2002 6 2.85191e+01 1.28769e+00 474 2002 7 2.94288e+01 1.34074e+00 1664 2002 8 2.88491e+01 1.33113e+00 1763 2002 9 2.87328e+01 1.21730e+00 1639 2002 10 2.69117e+01 2.02313e+00 2657 2002 11 2.03722e+01 2.68739e+00 1532 2002 12 1.45974e+01 1.25229e+00 400 2003 1 1.15535e+01 1.72699e+00 1188 2003 2 1.53913e+01 1.96783e+00 1047 2003 3 2.10460e+01 2.01629e+00 1509 2003 4 2.18848e+01 2.44142e+00 2867 2003 5 2.76753e+01 1.66482e+00 2516 2003 6 2.82694e+01 1.66096e+00 1453 2003 7 2.94518e+01 1.88761e+00 1191 2003 8 2.84291e+01 1.60004e+00 2124 2003 9 2.77486e+01 1.53124e+00 2020 2003 10 2.43228e+01 1.25681e+00 2689 2003 11 2.17293e+01 1.98902e+00 2712 2003 12 1.41480e+01 1.33479e+00 700 2004 1 1.37839e+01 1.22226e+00 1472 2004 2 1.44810e+01 1.14333e+00 612 2004 3 1.90219e+01 1.99939e+00 2605 2004 4 2.05181e+01 2.22908e+00 2685 2004 5 2.63129e+01 1.90845e+00 3601 2004 6 3.01646e+01 1.39315e+00 2091 2004 7 3.01955e+01 1.73607e+00 2328 2004 8 2.97995e+01 1.43796e+00 2133 2004 9 2.71053e+01 2.27274e+00 1868 2004 10 2.47760e+01 2.01656e+00 2587 2004 11 2.14992e+01 2.62858e+00 2274 2004 12 1.66089e+01 1.96351e+00 900 2005 1 1.40734e+01 2.05672e+00 1103 2005 2 1.54244e+01 1.47892e+00 1278 2005 3 1.74920e+01 2.23214e+00 1796 2005 4 2.07362e+01 1.13328e+00 2830 2005 5 2.53330e+01 2.13734e+00 3035 2005 6 2.84065e+01 2.07410e+00 1733 2005 7 3.06390e+01 1.90531e+00 2407 2005 8 3.05101e+01 1.92574e+00 2240 2005 9 2.78081e+01 1.52179e+00 2634 2005 10 2.55315e+01 2.90359e+00 2369 2005 11 2.01240e+01 2.17093e+00 2074 2005 12 1.51822e+01 1.82276e+00 1328 2006 1 1.51420e+01 1.80384e+00 1598 2006 2 1.47744e+01 1.45142e+00 1603 2006 3 1.89962e+01 1.63546e+00 2842 2006 4 2.33057e+01 2.39868e+00 3167 2006 5 2.55464e+01 1.97854e+00 3140 2006 6 2.83483e+01 1.42623e+00 2976 2006 7 3.02808e+01 1.19266e+00 2624 2006 8 3.02931e+01 1.46439e+00 2556 2006 9 2.85919e+01 1.76615e+00 2544 2006 10 2.44645e+01 2.20393e+00 2624 2006 11 1.93039e+01 1.58792e+00 1301 2006 12 1.65410e+01 1.51748e+00 786 2007 1 1.49456e+01 1.78107e+00 1148 2007 2 1.42735e+01 1.80903e+00 1352 2007 3 1.94923e+01 1.82376e+00 2888 2007 4 2.13964e+01 1.87355e+00 2535 2007 5 2.43650e+01 1.43504e+00 3354 2007 6 2.79065e+01 1.72667e+00 2213 2007 7 3.02066e+01 1.81295e+00 2055 2007 8 3.07849e+01 1.14763e+00 2443 2007 9 2.83185e+01 1.50474e+00 1760 2007 10 2.61266e+01 1.11734e+00 1676 2007 11 1.91043e+01 1.74253e+00 2833 2007 12 1.83763e+01 2.08129e+00 1885 2008 1 1.40606e+01 2.46941e+00 559 2008 2 1.69932e+01 1.77489e+00 1626 2008 3 1.81788e+01 1.97122e+00 2447 2008 4 2.23243e+01 1.85530e+00 2574 2008 5 2.54189e+01 1.44839e+00 2866 2008 6 2.90643e+01 1.39399e+00 2317 2008 7 3.00733e+01 1.61481e+00 1627 2008 8 2.87570e+01 1.75938e+00 1634 2008 9 2.74093e+01 1.91520e+00 2300 2008 10 2.32948e+01 2.70207e+00 2995 2008 11 1.70073e+01 2.58224e+00 2015 2008 12 1.61591e+01 1.65455e+00 1923 2009 1 1.51591e+01 2.47418e+00 1763 2009 2 1.45511e+01 2.09906e+00 1678 2009 3 1.82374e+01 3.03421e+00 2316 2009 4 2.22329e+01 2.13918e+00 2355 2009 5 2.62664e+01 1.67910e+00 2276 2009 6 2.92962e+01 1.46975e+00 2344 2009 7 2.94873e+01 1.34969e+00 1816 2009 8 2.99094e+01 1.74278e+00 2229 2009 9 2.88115e+01 1.31991e+00 2081 2009 10 2.57442e+01 3.09768e+00 2872 2009 11 1.97364e+01 1.59713e+00 1664 2009 12 1.46076e+01 2.40953e+00 449 2010 1 1.18002e+01 3.29556e+00 995 2010 2 1.23245e+01 1.82532e+00 1675 2010 3 1.57029e+01 2.31596e+00 2231 2010 4 2.15148e+01 2.04312e+00 2345 2010 5 2.70543e+01 2.05922e+00 3163 2010 6 3.04196e+01 1.41706e+00 2656 2010 7 2.99934e+01 1.71001e+00 2447 2010 8 3.04216e+01 2.07611e+00 1324 2010 9 2.90091e+01 1.77115e+00 2431 2010 10 2.45512e+01 1.34512e+00 4238 2010 11 1.97049e+01 1.85956e+00 2550 2010 12 1.39514e+01 2.89094e+00 1194 2011 1 1.19042e+01 1.48713e+00 1394 2011 2 1.57730e+01 2.74854e+00 1126 2011 3 1.99944e+01 1.95818e+00 2237 2011 4 2.40590e+01 1.76916e+00 3589 2011 5 2.63906e+01 1.79563e+00 4281 2011 6 2.95510e+01 1.70188e+00 2550 2011 7 2.98987e+01 1.52948e+00 1876 2011 8 3.04883e+01 1.35067e+00 2657 2011 9 2.83866e+01 1.13233e+00 2980 2011 10 2.29646e+01 2.31966e+00 2295 2011 11 1.91993e+01 1.47396e+00 2034 2011 12 1.66373e+01 1.22336e+00 1721 2012 1 1.53275e+01 2.10689e+00 2035 2012 2 1.73520e+01 2.38392e+00 621 2012 3 2.20363e+01 2.27819e+00 2924 2012 4 2.36508e+01 1.55709e+00 3527 2012 5 2.72749e+01 1.13612e+00 3377 2012 6 2.78508e+01 1.42132e+00 1693 2012 7 2.97747e+01 1.80753e+00 2280 2012 8 2.95180e+01 1.72104e+00 1816 2012 9 2.82671e+01 1.47175e+00 2412 2012 10 2.42698e+01 2.61645e+00 2448 2012 11 1.81045e+01 1.30872e+00 2296 2012 12 1.69905e+01 2.46373e+00 1476 2013 1 1.62000e+01 1.64039e+00 1327 2013 2 1.61379e+01 1.81932e+00 1807 2013 3 1.63243e+01 1.91810e+00 2835 2013 4 2.19052e+01 2.34693e+00 2192 2013 5 2.50177e+01 2.28387e+00 2783 2013 6 2.87308e+01 1.81448e+00 2439 2013 7 2.87610e+01 1.95945e+00 1182 2013 8 2.99985e+01 2.06468e+00 2058 2013 9 2.93765e+01 2.18520e+00 2483 2013 10 2.49481e+01 2.21149e+00 2671 2013 11 1.96831e+01 2.66740e+00 1339 2013 12 1.75275e+01 1.81801e+00 1107 2014 1 1.37598e+01 1.88026e+00 933 2014 2 1.60015e+01 2.28195e+00 1132 2014 3 1.81064e+01 1.87258e+00 2365 2014 4 2.18086e+01 2.03497e+00 1886 2014 5 2.50846e+01 1.90228e+00 2356 2014 6 2.87210e+01 1.98826e+00 2180 2014 7 3.02586e+01 2.01298e+00 1927 2014 8 2.96682e+01 1.55384e+00 2479 2014 9 2.83310e+01 1.76172e+00 1500 2014 10 2.51625e+01 2.34101e+00 3342 2014 11 1.72274e+01 2.11520e+00 1573 2014 12 1.68274e+01 1.61306e+00 1484 2015 1 1.47597e+01 1.72461e+00 1679 2015 2 1.38648e+01 1.70307e+00 1734 2015 3 2.01672e+01 2.27692e+00 1810 2015 4 2.40310e+01 1.92510e+00 1327 2015 5 2.71046e+01 2.04035e+00 3900 2015 6 3.03400e+01 1.61061e+00 2274 2015 7 2.96808e+01 1.45607e+00 1646 2015 8 3.00190e+01 1.63179e+00 2246 2015 9 2.75517e+01 1.69151e+00 1290 2015 10 2.41453e+01 1.60984e+00 2113 2015 11 2.32211e+01 3.24313e+00 2118 2015 12 1.91844e+01 1.83838e+00 1062 2016 1 1.42152e+01 1.64564e+00 1281 2016 2 1.48546e+01 1.86297e+00 1692 2016 3 1.92200e+01 2.24263e+00 1326 2016 4 2.24852e+01 2.24163e+00 2384 2016 5 2.64289e+01 1.81204e+00 3106 2016 6 2.99397e+01 1.47378e+00 2826 2016 7 3.16258e+01 1.34499e+00 2933 2016 8 3.03665e+01 1.07472e+00 1964 2016 9 2.92930e+01 1.54047e+00 2655 2016 10 2.46484e+01 1.81606e+00 2731 2016 11 2.03124e+01 2.41889e+00 2462 2016 12 1.83175e+01 1.92438e+00 2105 2017 1 1.61749e+01 1.72322e+00 1527 2017 2 1.87677e+01 1.72170e+00 2119 2017 3 1.93347e+01 2.60481e+00 2556 2017 4 2.35783e+01 1.64479e+00 2978 2017 5 2.54298e+01 1.88819e+00 2694 2017 6 2.89355e+01 1.96151e+00 1762 2017 7 2.99183e+01 1.98333e+00 1563 2017 8 3.03387e+01 1.60753e+00 2224 2017 9 2.83945e+01 1.77224e+00 2329 2017 10 2.48855e+01 2.94519e+00 2811 2017 11 2.00673e+01 1.37992e+00 2736 2017 12 1.77491e+01 2.96165e+00 1459 2018 1 1.15643e+01 1.83624e+00 1107 2018 2 2.02997e+01 3.28252e+00 1734 2018 3 1.85277e+01 2.39808e+00 2945 2018 4 2.19353e+01 1.29068e+00 2475 2018 5 2.58942e+01 1.45862e+00 1806 2018 6 2.95400e+01 1.93054e+00 1784 2018 7 2.97234e+01 1.67963e+00 1406 2018 8 3.02993e+01 1.66238e+00 1843 2018 9 3.01760e+01 1.47747e+00 2884 2018 10 2.68179e+01 2.53337e+00 2945 2018 11 1.97265e+01 2.63252e+00 1163 2018 12 1.62051e+01 1.59393e+00 1492 2019 1 1.53986e+01 2.40962e+00 1658 2019 2 1.77031e+01 3.61672e+00 1430 2019 3 1.93220e+01 1.59348e+00 2330 2019 4 2.28903e+01 1.91991e+00 2298 2019 5 2.80228e+01 1.80374e+00 3129 2019 6 2.94659e+01 1.32586e+00 1775 2019 7 2.98803e+01 1.65537e+00 1545 2019 8 3.02470e+01 1.27850e+00 1709 2019 9 2.90304e+01 1.43334e+00 3060 2019 10 2.61733e+01 1.95097e+00 2275 2019 11 1.90853e+01 2.47876e+00 2088 2019 12 1.69099e+01 1.71843e+00 1833 2020 1 1.64765e+01 2.17857e+00 2583 2020 2 1.62066e+01 1.72049e+00 1721 2020 3 2.24821e+01 3.70656e+00 2686 2020 4 2.41287e+01 1.07632e+00 1962 2020 5 2.49804e+01 1.82721e+00 3027 2020 6 2.96499e+01 1.70679e+00 2094 2020 7 3.00161e+01 1.16041e+00 1949 2020 8 3.16185e+01 1.24027e+00 1180 2020 9 2.86835e+01 2.25504e+00 1394 2020 10 2.59659e+01 1.19861e+00 2441 2020 11 2.11440e+01 2.13383e+00 2558 2020 12 1.49947e+01 1.39233e+00 2506 2021 1 1.49793e+01 2.08291e+00 1687 2021 2 1.73153e+01 2.84889e+00 1983 2021 3 1.95667e+01 2.06714e+00 2384 2021 4 2.26057e+01 2.05541e+00 2650 2021 5 2.57426e+01 1.93411e+00 2914 2021 6 2.85966e+01 1.51827e+00 1082 2021 7 2.97153e+01 1.40767e+00 1636 2021 8 3.04480e+01 1.38306e+00 1462 2021 9 2.86402e+01 1.57255e+00 1911 2021 10 2.59524e+01 2.08249e+00 2442 2021 11 1.82131e+01 1.67508e+00 2663 2021 12 1.84529e+01 1.68642e+00 2615 2022 1 1.54441e+01 2.79785e+00 2472 2022 2 1.65658e+01 3.04261e+00 2402 2022 3 2.00919e+01 1.32930e+00 2854 2022 4 2.33994e+01 1.86381e+00 2000 2022 5 2.70568e+01 1.66351e+00 2966 2022 6 2.96012e+01 1.27436e+00 2554 2022 7 3.12165e+01 1.29410e+00 2183 2022 8 3.07294e+01 1.57313e+00 1878 2022 9 2.83993e+01 2.44717e+00 1928 2022 10 2.31738e+01 1.86968e+00 3147 2022 11 2.14157e+01 2.41653e+00 1531 2022 12 1.82797e+01 2.84756e+00 2899 2023 1 1.53645e+01 1.55679e+00 2389 2023 2 1.76992e+01 1.83263e+00 2193 2023 3 2.09754e+01 2.28470e+00 2798 2023 4 2.36049e+01 1.44803e+00 1887 2023 5 2.55763e+01 2.08344e+00 2514 2023 6 2.81312e+01 1.52162e+00 2117 2023 7 3.11786e+01 1.38791e+00 2690 2023 8 3.11687e+01 1.23463e+00 2477 2023 9 2.91953e+01 1.52145e+00 2492 2023 10 2.34347e+01 1.78757e+00 2205 2023 11 2.02298e+01 2.16731e+00 1785 2023 12 1.50503e+01 1.87020e+00 1294 2024 1 1.45008e+01 1.38027e+00 1327 2024 2 1.62170e+01 1.33520e+00 2007 2024 3 2.08849e+01 1.47687e+00 1836 2024 4 2.24385e+01 5.14619e-01 192