YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.83548e+01 2.60524e-01 162 2000 3 2.06138e+01 9.20995e-01 608 2000 4 2.14878e+01 1.36528e+00 607 2000 5 2.58980e+01 1.91175e+00 799 2000 6 2.72802e+01 1.20196e+00 401 2000 7 2.87716e+01 8.39381e-01 405 2000 8 2.94884e+01 2.05567e-01 256 2000 9 2.62525e+01 1.97993e+00 307 2000 10 2.29875e+01 1.74023e+00 768 2000 11 2.07853e+01 3.00824e+00 282 2000 12 1.62380e+01 3.42927e-02 5 2001 1 1.16935e+01 1.23825e-01 64 2001 2 1.77138e+01 2.06306e+00 421 2001 3 1.59658e+01 1.76486e+00 341 2001 4 2.13899e+01 1.97762e+00 817 2001 5 2.56561e+01 9.14138e-01 697 2001 6 2.77020e+01 7.52963e-01 128 2001 7 2.83908e+01 2.15550e+00 185 2001 8 2.88905e+01 1.67282e+00 486 2001 9 2.65254e+01 2.06343e+00 498 2001 10 2.13989e+01 1.80156e+00 541 2001 11 1.94985e+01 9.07276e-01 749 2001 12 1.93785e+01 1.57963e+00 450 2002 1 1.72285e+01 9.52370e-01 13 2002 2 1.51708e+01 2.30783e+00 488 2002 3 1.95543e+01 2.02618e+00 231 2002 4 2.57589e+01 1.72299e+00 507 2002 5 2.56507e+01 2.66678e+00 476 2002 6 2.84372e+01 4.47726e-01 422 2002 7 2.90164e+01 1.63198e+00 1436 2002 8 2.90046e+01 1.29712e+00 2093 2002 9 2.83978e+01 9.71415e-01 1696 2002 10 2.66161e+01 2.06296e+00 2743 2002 11 2.04464e+01 2.18091e+00 1710 2002 12 1.40696e+01 1.44251e+00 657 2003 1 1.15309e+01 1.35420e+00 1340 2003 2 1.44735e+01 1.57922e+00 957 2003 3 2.09235e+01 1.36747e+00 1093 2003 4 2.16815e+01 2.03054e+00 2470 2003 5 2.69085e+01 1.29877e+00 2538 2003 6 2.85418e+01 1.46988e+00 1996 2003 7 2.92990e+01 1.63419e+00 1095 2003 8 2.88392e+01 1.24777e+00 1794 2003 9 2.77716e+01 1.16673e+00 1636 2003 10 2.37168e+01 1.17416e+00 2234 2003 11 2.14504e+01 2.14533e+00 2578 2003 12 1.39155e+01 1.24174e+00 467 2004 1 1.32997e+01 1.15393e+00 1222 2004 2 1.31197e+01 1.31038e+00 412 2004 3 1.87655e+01 1.70787e+00 2762 2004 4 2.06847e+01 1.92852e+00 2366 2004 5 2.66955e+01 1.78835e+00 3382 2004 6 2.95211e+01 1.01295e+00 2177 2004 7 2.99917e+01 1.62334e+00 2390 2004 8 2.95362e+01 1.71454e+00 2142 2004 9 2.70086e+01 2.00570e+00 1800 2004 10 2.47115e+01 1.91606e+00 2309 2004 11 2.14546e+01 2.84969e+00 1466 2004 12 1.67565e+01 2.18481e+00 696 2005 1 1.45348e+01 2.79518e+00 942 2005 2 1.44043e+01 1.27410e+00 1029 2005 3 1.67777e+01 1.85432e+00 1629 2005 4 2.03467e+01 1.20999e+00 2648 2005 5 2.49105e+01 2.53852e+00 2725 2005 6 2.85457e+01 1.50017e+00 1799 2005 7 3.04847e+01 1.51278e+00 2224 2005 8 2.97924e+01 1.93839e+00 2016 2005 9 2.80880e+01 1.10213e+00 2745 2005 10 2.55147e+01 2.09620e+00 2053 2005 11 2.03216e+01 2.03601e+00 1469 2005 12 1.42017e+01 1.76333e+00 1023 2006 1 1.49435e+01 1.67962e+00 1272 2006 2 1.41469e+01 1.73033e+00 1341 2006 3 1.87532e+01 1.54032e+00 2539 2006 4 2.30904e+01 2.16123e+00 2929 2006 5 2.51321e+01 2.13705e+00 3034 2006 6 2.84856e+01 1.25197e+00 2849 2006 7 2.99995e+01 1.33116e+00 2772 2006 8 3.01329e+01 1.32021e+00 2506 2006 9 2.80945e+01 1.51307e+00 2721 2006 10 2.38274e+01 2.24411e+00 2867 2006 11 1.87452e+01 1.39459e+00 1142 2006 12 1.62219e+01 1.41681e+00 696 2007 1 1.36744e+01 2.12208e+00 809 2007 2 1.33607e+01 1.49177e+00 1147 2007 3 1.89290e+01 2.11332e+00 3023 2007 4 2.09281e+01 2.36860e+00 2069 2007 5 2.45312e+01 1.18450e+00 3138 2007 6 2.78361e+01 1.73729e+00 2432 2007 7 2.99973e+01 1.89318e+00 1900 2007 8 3.04456e+01 1.50850e+00 2777 2007 9 2.81391e+01 1.55277e+00 2048 2007 10 2.54917e+01 1.35285e+00 1766 2007 11 1.82461e+01 1.80942e+00 2389 2007 12 1.71147e+01 2.05952e+00 1088 2008 1 1.35010e+01 2.45354e+00 486 2008 2 1.62454e+01 1.55778e+00 1080 2008 3 1.80131e+01 1.83548e+00 2054 2008 4 2.21159e+01 1.70294e+00 2272 2008 5 2.55078e+01 1.48912e+00 2199 2008 6 2.91736e+01 1.11038e+00 2118 2008 7 2.94969e+01 1.33901e+00 1810 2008 8 2.85717e+01 1.36558e+00 1335 2008 9 2.70192e+01 2.13142e+00 2362 2008 10 2.35296e+01 2.04543e+00 2750 2008 11 1.63816e+01 2.58510e+00 1686 2008 12 1.55305e+01 1.58280e+00 1208 2009 1 1.47053e+01 2.48966e+00 1338 2009 2 1.38150e+01 1.94431e+00 1500 2009 3 1.83696e+01 2.77482e+00 2016 2009 4 2.20864e+01 1.78285e+00 2355 2009 5 2.64737e+01 1.40923e+00 2028 2009 6 2.91384e+01 1.30122e+00 2536 2009 7 2.89306e+01 1.16454e+00 1771 2009 8 2.96971e+01 1.38980e+00 2150 2009 9 2.82170e+01 1.01772e+00 2012 2009 10 2.57127e+01 2.93102e+00 2429 2009 11 1.87303e+01 1.60014e+00 1501 2009 12 1.30934e+01 1.57831e+00 359 2010 1 1.23899e+01 2.77895e+00 662 2010 2 1.19266e+01 1.31319e+00 1582 2010 3 1.56708e+01 2.21787e+00 1886 2010 4 2.16960e+01 1.50554e+00 2369 2010 5 2.68746e+01 2.11931e+00 3169 2010 6 3.04123e+01 1.31124e+00 2819 2010 7 2.98428e+01 1.89575e+00 2621 2010 8 2.92467e+01 1.64842e+00 1340 2010 9 2.87872e+01 1.54525e+00 2682 2010 10 2.41696e+01 1.14684e+00 3689 2010 11 1.93463e+01 1.35127e+00 2172 2010 12 1.40800e+01 2.66908e+00 902 2011 1 1.11018e+01 1.43860e+00 1234 2011 2 1.42947e+01 2.56266e+00 1062 2011 3 1.93583e+01 1.83894e+00 2221 2011 4 2.36590e+01 1.83280e+00 3287 2011 5 2.58044e+01 2.15553e+00 3582 2011 6 2.95081e+01 1.46086e+00 2701 2011 7 2.93145e+01 1.33443e+00 1962 2011 8 3.06916e+01 1.21411e+00 2813 2011 9 2.80251e+01 1.05885e+00 2424 2011 10 2.23514e+01 2.19281e+00 2247 2011 11 1.79592e+01 1.15691e+00 1864 2011 12 1.56005e+01 1.24520e+00 1189 2012 1 1.48679e+01 1.97561e+00 1882 2012 2 1.63330e+01 2.19490e+00 661 2012 3 2.18252e+01 2.31760e+00 2829 2012 4 2.32620e+01 1.45278e+00 3046 2012 5 2.70840e+01 1.03113e+00 3276 2012 6 2.75125e+01 1.36647e+00 2007 2012 7 2.96211e+01 1.44959e+00 1730 2012 8 2.89148e+01 1.35996e+00 1744 2012 9 2.78276e+01 1.63368e+00 2196 2012 10 2.43478e+01 2.27843e+00 2374 2012 11 1.78851e+01 1.30117e+00 2193 2012 12 1.65401e+01 2.19320e+00 1195 2013 1 1.54762e+01 1.54256e+00 1082 2013 2 1.55928e+01 1.99949e+00 1541 2013 3 1.56151e+01 1.73572e+00 2240 2013 4 2.12842e+01 1.83775e+00 2347 2013 5 2.53466e+01 2.38195e+00 2602 2013 6 2.84791e+01 1.56229e+00 2212 2013 7 2.81661e+01 2.17451e+00 1269 2013 8 3.02275e+01 1.62199e+00 2263 2013 9 2.90784e+01 1.78574e+00 2665 2013 10 2.44029e+01 2.33581e+00 2163 2013 11 1.93400e+01 2.92990e+00 1374 2013 12 1.68010e+01 1.90074e+00 1040 2014 1 1.23484e+01 8.31999e-01 961 2014 2 1.50293e+01 1.87627e+00 1140 2014 3 1.71026e+01 1.71376e+00 1505 2014 4 2.15417e+01 1.84151e+00 2282 2014 5 2.55533e+01 1.70509e+00 2597 2014 6 2.87755e+01 1.82641e+00 2172 2014 7 3.02008e+01 1.02356e+00 2119 2014 8 2.98609e+01 1.28712e+00 2461 2014 9 2.86276e+01 1.71385e+00 983 2014 10 2.46402e+01 1.83858e+00 3037 2014 11 1.67032e+01 2.32767e+00 1285 2014 12 1.57372e+01 1.54494e+00 1355 2015 1 1.39491e+01 1.30473e+00 1434 2015 2 1.31321e+01 1.45192e+00 1465 2015 3 1.92306e+01 2.52187e+00 1487 2015 4 2.34189e+01 1.69234e+00 1114 2015 5 2.70418e+01 1.96921e+00 3513 2015 6 3.00424e+01 1.24670e+00 2437 2015 7 2.95281e+01 1.62562e+00 1474 2015 8 3.03562e+01 1.61836e+00 2215 2015 9 2.75845e+01 2.00013e+00 1322 2015 10 2.38134e+01 1.56674e+00 2161 2015 11 2.22970e+01 3.35347e+00 1821 2015 12 1.80001e+01 1.78529e+00 826 2016 1 1.31328e+01 1.39225e+00 937 2016 2 1.39527e+01 1.86095e+00 1478 2016 3 1.83844e+01 2.12211e+00 1486 2016 4 2.22058e+01 2.03591e+00 2031 2016 5 2.62406e+01 1.80468e+00 2864 2016 6 2.96389e+01 1.27777e+00 2618 2016 7 3.13790e+01 1.07733e+00 2835 2016 8 3.04425e+01 1.14066e+00 2146 2016 9 2.93688e+01 9.43607e-01 2453 2016 10 2.48951e+01 1.89753e+00 2290 2016 11 2.01824e+01 2.59161e+00 2135 2016 12 1.71907e+01 2.11013e+00 1266 2017 1 1.60166e+01 2.26570e+00 921 2017 2 1.80893e+01 1.81916e+00 1945 2017 3 1.91181e+01 2.29237e+00 2369 2017 4 2.31202e+01 1.57206e+00 2668 2017 5 2.52107e+01 1.90562e+00 2114 2017 6 2.86713e+01 2.03255e+00 1641 2017 7 3.05107e+01 1.52446e+00 1204 2017 8 3.01132e+01 1.67907e+00 1852 2017 9 2.78884e+01 1.80249e+00 2103 2017 10 2.45943e+01 2.85001e+00 2792 2017 11 1.95728e+01 1.55692e+00 2662 2017 12 1.65412e+01 2.81003e+00 1148 2018 1 1.16861e+01 1.33422e+00 1028 2018 2 1.95342e+01 3.65630e+00 1213 2018 3 1.79882e+01 2.02167e+00 2464 2018 4 2.13330e+01 1.51277e+00 2382 2018 5 2.55062e+01 2.09113e+00 1888 2018 6 2.96574e+01 1.45967e+00 2010 2018 7 3.00516e+01 1.38495e+00 1591 2018 8 3.01898e+01 1.18923e+00 1839 2018 9 3.03732e+01 1.20255e+00 2941 2018 10 2.64747e+01 2.47170e+00 2606 2018 11 1.81393e+01 2.80202e+00 866 2018 12 1.56127e+01 1.87293e+00 1092 2019 1 1.47200e+01 2.41083e+00 1651 2019 2 1.77979e+01 2.60829e+00 859 2019 3 1.84255e+01 1.73085e+00 1618 2019 4 2.22526e+01 1.82378e+00 2090 2019 5 2.78101e+01 1.91156e+00 3365 2019 6 2.93340e+01 1.25186e+00 1841 2019 7 2.97848e+01 1.32246e+00 2107 2019 8 3.01775e+01 1.28395e+00 2297 2019 9 2.91187e+01 1.24165e+00 3386 2019 10 2.59006e+01 1.96810e+00 2383 2019 11 1.82148e+01 2.29331e+00 2181 2019 12 1.60805e+01 1.68758e+00 1475 2020 1 1.50267e+01 2.14607e+00 1878 2020 2 1.51376e+01 1.24441e+00 1723 2020 3 2.18792e+01 3.73356e+00 2375 2020 4 2.36111e+01 1.14559e+00 1851 2020 5 2.49324e+01 1.62406e+00 2866 2020 6 2.94402e+01 1.30910e+00 2152 2020 7 3.01087e+01 1.22722e+00 2158 2020 8 3.11133e+01 1.02695e+00 1561 2020 9 2.84931e+01 1.90036e+00 1394 2020 10 2.52118e+01 1.35368e+00 2626 2020 11 2.06272e+01 2.16381e+00 2886 2020 12 1.39982e+01 1.54392e+00 2193 2021 1 1.37077e+01 1.77114e+00 1971 2021 2 1.61133e+01 2.38963e+00 1849 2021 3 1.87455e+01 1.85335e+00 2347 2021 4 2.13871e+01 2.03716e+00 2436 2021 5 2.54228e+01 1.63629e+00 2714 2021 6 2.81587e+01 1.41023e+00 1470 2021 7 2.97552e+01 1.25528e+00 1392 2021 8 3.02491e+01 1.50481e+00 1601 2021 9 2.84008e+01 1.05273e+00 2177 2021 10 2.54049e+01 2.17938e+00 2201 2021 11 1.79241e+01 1.77064e+00 2639 2021 12 1.75336e+01 1.53117e+00 2434 2022 1 1.47308e+01 2.73831e+00 2666 2022 2 1.59178e+01 2.79054e+00 2396 2022 3 1.93249e+01 1.24626e+00 2662 2022 4 2.33924e+01 1.52603e+00 1829 2022 5 2.68895e+01 1.48002e+00 2599 2022 6 2.98028e+01 1.07116e+00 2625 2022 7 3.03232e+01 1.15258e+00 1795 2022 8 3.07245e+01 1.31963e+00 2074 2022 9 2.80020e+01 1.91372e+00 1658 2022 10 2.27686e+01 1.84532e+00 3216 2022 11 2.12343e+01 2.58516e+00 1574 2022 12 1.70439e+01 3.49711e+00 3085 2023 1 1.45135e+01 1.52731e+00 2509 2023 2 1.70456e+01 1.81436e+00 2005 2023 3 2.02326e+01 2.41471e+00 2872 2023 4 2.29995e+01 1.18532e+00 2004 2023 5 2.53502e+01 1.97300e+00 2333 2023 6 2.77648e+01 1.72172e+00 2067 2023 7 3.05488e+01 1.43763e+00 2683 2023 8 3.10902e+01 9.12793e-01 2641 2023 9 2.88253e+01 1.72434e+00 2432 2023 10 2.31425e+01 1.44242e+00 2715 2023 11 1.96728e+01 1.97853e+00 1947 2023 12 1.39293e+01 1.39567e+00 1513 2024 1 1.31910e+01 1.76988e+00 1216 2024 2 1.53107e+01 1.05326e+00 1911 2024 3 2.00441e+01 1.08573e+00 1642 2024 4 2.17823e+01 6.10417e-01 131