YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 3.27625e+00 7.89693e-02 116 2000 3 4.22590e+00 5.02608e-01 277 2000 4 6.51592e+00 7.58943e-01 158 2000 5 9.77551e+00 1.53302e+00 274 2000 6 1.50772e+01 7.93497e-01 269 2000 7 1.71833e+01 1.83617e+00 321 2000 8 1.82744e+01 6.89597e-01 240 2000 9 1.60903e+01 1.74958e+00 343 2000 10 1.33186e+01 1.01613e+00 111 2000 11 8.71312e+00 8.72702e-01 396 2000 12 5.72335e+00 1.17799e+00 197 2001 1 2.79040e+00 4.61167e-01 199 2001 2 3.00571e+00 1.96420e-01 254 2001 3 3.19762e+00 6.31311e-01 328 2001 4 5.85077e+00 2.06458e+00 338 2001 5 1.15438e+01 1.37726e+00 237 2001 6 1.38284e+01 7.62836e-01 126 2001 7 1.40773e+01 1.65316e+00 266 2001 8 1.73049e+01 1.21018e+00 110 2001 9 1.51370e+01 1.14460e+00 477 2001 10 1.06332e+01 9.15556e-01 420 2001 11 8.56332e+00 7.70761e-01 325 2001 12 6.89620e+00 9.80582e-01 349 2002 1 4.50524e+00 3.54105e-01 274 2002 2 3.59758e+00 8.84421e-01 153 2002 3 4.20587e+00 7.91389e-01 190 2002 4 7.64293e+00 1.72089e+00 352 2002 5 9.80423e+00 1.73481e+00 261 2002 6 1.16853e+01 2.60826e+00 150 2002 7 1.68110e+01 1.91378e+00 1128 2002 8 1.86774e+01 1.72080e+00 1357 2002 9 1.67637e+01 1.83603e+00 1246 2002 10 1.36441e+01 1.70478e+00 1579 2002 11 9.41622e+00 8.44192e-01 1321 2002 12 5.07313e+00 8.88537e-01 1749 2003 1 2.84404e+00 1.05523e+00 581 2003 2 1.81620e+00 5.56994e-01 374 2003 3 2.34125e+00 1.33624e+00 604 2003 4 4.06742e+00 1.42422e+00 665 2003 5 8.65284e+00 1.69473e+00 742 2003 6 1.35629e+01 2.46375e+00 672 2003 7 1.69917e+01 1.36418e+00 827 2003 8 1.77835e+01 1.64464e+00 958 2003 9 1.68852e+01 1.46505e+00 1364 2003 10 1.23531e+01 2.00530e+00 1374 2003 11 8.37911e+00 1.18016e+00 916 2003 12 5.12291e+00 8.97547e-01 1445 2004 1 3.43802e+00 1.42720e+00 604 2004 2 1.30472e+00 4.08207e-01 780 2004 3 2.39128e+00 4.44780e-01 625 2004 4 5.44529e+00 1.35600e+00 766 2004 5 9.40548e+00 2.43958e+00 735 2004 6 1.41076e+01 1.16493e+00 1253 2004 7 1.73277e+01 1.72405e+00 1267 2004 8 1.73973e+01 1.46099e+00 1216 2004 9 1.58729e+01 9.97837e-01 1252 2004 10 1.34348e+01 1.89777e+00 1471 2004 11 9.02126e+00 1.56540e+00 1889 2004 12 5.74862e+00 1.34031e+00 1487 2005 1 2.90576e+00 1.18778e+00 575 2005 2 1.24957e+00 9.30611e-01 316 2005 3 2.30537e+00 8.12194e-01 951 2005 4 6.47680e+00 1.30803e+00 1502 2005 5 8.11465e+00 1.73790e+00 460 2005 6 1.42442e+01 1.94431e+00 563 2005 7 1.77702e+01 1.41181e+00 928 2005 8 1.85960e+01 1.50949e+00 1550 2005 9 1.58567e+01 1.59050e+00 1439 2005 10 1.17484e+01 1.08061e+00 761 2005 11 9.13466e+00 1.34515e+00 1631 2005 12 5.23064e+00 1.17996e+00 1740 2006 1 4.04365e+00 6.96638e-01 975 2006 2 3.26659e+00 8.81811e-01 765 2006 3 2.83545e+00 1.08839e+00 1038 2006 4 6.86799e+00 1.51004e+00 1547 2006 5 9.18937e+00 1.47285e+00 705 2006 6 1.48505e+01 1.72280e+00 704 2006 7 1.76795e+01 2.27160e+00 538 2006 8 1.71428e+01 1.35653e+00 1389 2006 9 1.67205e+01 1.76497e+00 1665 2006 10 1.22672e+01 1.54044e+00 1502 2006 11 1.02159e+01 3.88128e+00 1215 2006 12 7.58716e+00 1.25605e+00 1669 2007 1 5.28795e+00 1.35088e+00 1011 2007 2 2.30098e+00 7.77907e-01 990 2007 3 3.48011e+00 1.22314e+00 1123 2007 4 5.16069e+00 1.60084e+00 956 2007 5 1.01639e+01 2.30392e+00 1459 2007 6 1.49352e+01 1.10871e+00 1249 2007 7 1.72603e+01 2.25209e+00 1207 2007 8 1.72296e+01 2.11152e+00 1478 2007 9 1.49680e+01 1.37148e+00 1254 2007 10 1.29942e+01 1.22460e+00 1445 2007 11 8.61272e+00 1.46990e+00 1162 2007 12 4.62268e+00 1.28969e+00 855 2008 1 3.23050e+00 5.94407e-01 835 2008 2 2.82254e+00 5.35388e-01 731 2008 3 3.24462e+00 3.88619e-01 1261 2008 4 7.35886e+00 1.98058e+00 1017 2008 5 9.31893e+00 1.39120e+00 1337 2008 6 1.56395e+01 1.57442e+00 993 2008 7 1.79387e+01 1.48554e+00 1274 2008 8 1.87666e+01 1.45492e+00 2376 2008 9 1.63736e+01 2.52019e+00 1382 2008 10 1.24581e+01 1.31176e+00 1676 2008 11 8.86386e+00 1.61338e+00 1337 2008 12 5.82500e+00 1.05073e+00 1333 2009 1 3.09063e+00 1.18074e+00 932 2009 2 1.78743e+00 9.12152e-01 857 2009 3 3.14376e+00 7.19976e-01 804 2009 4 5.36537e+00 2.04916e+00 1037 2009 5 1.02616e+01 1.68006e+00 888 2009 6 1.42450e+01 1.94384e+00 829 2009 7 1.68425e+01 1.63010e+00 1600 2009 8 1.88538e+01 1.88243e+00 1524 2009 9 1.68461e+01 1.01729e+00 2108 2009 10 1.11622e+01 1.26132e+00 1239 2009 11 1.01402e+01 9.22938e-01 1375 2009 12 6.88311e+00 1.71557e+00 1564 2010 1 2.57028e+00 9.22841e-01 897 2010 2 2.12356e+00 8.47206e-01 751 2010 3 3.70541e+00 1.31299e+00 955 2010 4 7.55145e+00 9.87990e-01 1262 2010 5 1.10303e+01 2.99671e+00 1025 2010 6 1.47813e+01 2.57320e+00 731 2010 7 1.81475e+01 2.34921e+00 1550 2010 8 1.78457e+01 9.62657e-01 1174 2010 9 1.62332e+01 1.89762e+00 1594 2010 10 1.31908e+01 1.31374e+00 1707 2010 11 8.91350e+00 1.19579e+00 999 2010 12 5.62469e+00 1.56485e+00 1245 2011 1 3.01988e+00 1.11309e+00 664 2011 2 1.98630e+00 5.94090e-01 734 2011 3 3.32231e+00 8.75407e-01 1205 2011 4 5.08243e+00 1.41149e+00 738 2011 5 1.00142e+01 2.92567e+00 704 2011 6 1.45229e+01 3.05608e+00 1005 2011 7 1.85837e+01 1.24348e+00 1505 2011 8 1.84102e+01 1.31778e+00 1299 2011 9 1.61425e+01 1.25682e+00 1594 2011 10 1.37247e+01 1.65934e+00 1293 2011 11 9.99003e+00 1.26303e+00 1490 2011 12 8.13582e+00 1.18680e+00 1477 2012 1 5.16810e+00 1.12928e+00 1382 2012 2 3.94007e+00 1.01119e+00 1346 2012 3 5.51057e+00 1.23236e+00 473 2012 4 8.02261e+00 1.51999e+00 1656 2012 5 1.22263e+01 2.22482e+00 888 2012 6 1.61191e+01 1.85315e+00 1131 2012 7 1.85798e+01 1.45338e+00 1725 2012 8 1.95304e+01 1.34428e+00 1926 2012 9 1.58082e+01 1.26172e+00 1399 2012 10 1.29137e+01 1.25072e+00 1584 2012 11 9.63608e+00 1.53683e+00 1507 2012 12 6.74458e+00 6.80795e-01 1025 2013 1 5.01376e+00 9.98712e-01 1174 2013 2 2.72426e+00 1.06340e+00 905 2013 3 3.59935e+00 9.67197e-01 774 2013 4 6.37711e+00 2.65093e+00 1465 2013 5 1.08739e+01 9.66128e-01 1274 2013 6 1.52820e+01 1.65662e+00 1359 2013 7 2.16994e+01 1.99813e+00 1317 2013 8 1.76175e+01 2.02975e+00 1634 2013 9 1.52864e+01 1.17856e+00 1548 2013 10 1.39922e+01 1.70575e+00 2076 2013 11 9.04587e+00 1.27328e+00 1387 2013 12 4.46826e+00 1.00414e+00 858 2014 1 2.78912e+00 7.76361e-01 761 2014 2 1.55301e+00 3.41732e-01 336 2014 3 2.16973e+00 6.02832e-01 750 2014 4 5.13840e+00 8.87913e-01 1033 2014 5 9.91167e+00 2.46554e+00 798 2014 6 1.55845e+01 1.59280e+00 1561 2014 7 1.59792e+01 1.72201e+00 1152 2014 8 1.84273e+01 1.43229e+00 1942 2014 9 1.68686e+01 1.17046e+00 2036 2014 10 1.41563e+01 1.51768e+00 1372 2014 11 9.61746e+00 1.25053e+00 898 2014 12 6.59227e+00 6.27054e-01 1129 2015 1 3.75918e+00 1.19960e+00 1081 2015 2 2.07586e+00 9.65389e-01 180 2015 3 1.63056e+00 3.68311e-01 278 2015 4 5.35625e+00 1.94182e+00 1037 2015 5 1.15555e+01 1.09491e+00 603 2015 6 1.46690e+01 2.94816e+00 910 2015 7 1.91610e+01 1.76681e+00 2260 2015 8 1.86384e+01 1.76490e+00 2042 2015 9 1.85268e+01 1.18285e+00 1809 2015 10 1.33302e+01 1.76866e+00 1539 2015 11 1.02600e+01 1.10918e+00 1479 2015 12 7.80135e+00 1.19800e+00 904 2016 1 5.11447e+00 1.13694e+00 1032 2016 2 3.41562e+00 1.00701e+00 918 2016 3 5.11993e+00 7.07760e-01 966 2016 4 6.64033e+00 1.52858e+00 1814 2016 5 9.32264e+00 2.24490e+00 853 2016 6 1.46337e+01 1.79599e+00 1487 2016 7 1.86347e+01 2.32616e+00 1372 2016 8 1.93572e+01 1.63872e+00 2329 2016 9 1.74813e+01 1.50195e+00 1805 2016 10 1.49990e+01 1.05192e+00 1694 2016 11 1.05123e+01 1.20919e+00 1512 2016 12 6.96990e+00 1.57985e+00 1536 2017 1 4.50525e+00 1.37193e+00 783 2017 2 4.20913e+00 8.49843e-01 1109 2017 3 3.41929e+00 9.57235e-01 1183 2017 4 5.39480e+00 1.94746e+00 767 2017 5 1.05995e+01 1.66010e+00 653 2017 6 1.36997e+01 2.22633e+00 602 2017 7 1.71136e+01 1.36286e+00 1242 2017 8 1.72830e+01 1.76652e+00 2032 2017 9 1.62967e+01 1.97824e+00 1161 2017 10 1.49468e+01 1.59672e+00 1534 2017 11 9.21529e+00 1.19719e+00 1832 2017 12 5.75446e+00 1.48797e+00 1170 2018 1 2.30204e+00 9.58015e-01 735 2018 2 3.01109e+00 1.16695e+00 747 2018 3 3.67765e+00 4.70101e-01 850 2018 4 4.82256e+00 1.46420e+00 1006 2018 5 1.13263e+01 3.09155e+00 461 2018 6 1.52338e+01 9.35893e-01 694 2018 7 1.86551e+01 2.04596e+00 1310 2018 8 2.04494e+01 1.41593e+00 1493 2018 9 1.89192e+01 1.83402e+00 1591 2018 10 1.34125e+01 2.15865e+00 1511 2018 11 9.28199e+00 1.85176e+00 1193 2018 12 5.98698e+00 1.03877e+00 896 2019 1 4.02896e+00 1.44220e+00 1180 2019 2 2.66313e+00 4.05015e-01 842 2019 3 3.06475e+00 7.86930e-01 1118 2019 4 5.59927e+00 1.56631e+00 1116 2019 5 9.90611e+00 2.07596e+00 916 2019 6 1.39401e+01 1.85225e+00 822 2019 7 1.95741e+01 1.74420e+00 2083 2019 8 1.75848e+01 2.07878e+00 2011 2019 9 1.72698e+01 1.20488e+00 2943 2019 10 1.36656e+01 7.28897e-01 1361 2019 11 9.90816e+00 2.07700e+00 1901 2019 12 5.69290e+00 9.29760e-01 1793 2020 1 4.52468e+00 8.08672e-01 1572 2020 2 3.74208e+00 4.24850e-01 1757 2020 3 5.34213e+00 9.92494e-01 1818 2020 4 6.21548e+00 5.23141e-01 1649 2020 5 1.02485e+01 2.35684e+00 2022 2020 6 1.58806e+01 2.56548e+00 1988 2020 7 1.94885e+01 1.25009e+00 1885 2020 8 1.94364e+01 1.28477e+00 1044 2020 9 1.68606e+01 1.35965e+00 2719 2020 10 1.39003e+01 1.20800e+00 2458 2020 11 1.02528e+01 1.35512e+00 1621 2020 12 6.35676e+00 1.32389e+00 1685 2021 1 4.22709e+00 6.55203e-01 1444 2021 2 2.46494e+00 6.58527e-01 1323 2021 3 4.25134e+00 1.05578e+00 2318 2021 4 6.99446e+00 1.31286e+00 1912 2021 5 1.15260e+01 1.76933e+00 1437 2021 6 1.61166e+01 2.19193e+00 1637 2021 7 1.94644e+01 1.93200e+00 1346 2021 8 2.02658e+01 2.10203e+00 1486 2021 9 1.81265e+01 1.08711e+00 2002 2021 10 1.54980e+01 1.42350e+00 1921 2021 11 1.15157e+01 1.21580e+00 2495 2021 12 7.87239e+00 5.63300e-01 1299 2022 1 4.69357e+00 1.20133e+00 1413 2022 2 3.10378e+00 7.66440e-01 1834 2022 3 4.63294e+00 9.76433e-01 1780 2022 4 7.49714e+00 6.07536e-01 1127 2022 5 1.13324e+01 2.44092e+00 1656 2022 6 1.56417e+01 1.86857e+00 2249 2022 7 1.70638e+01 1.26143e+00 2028 2022 8 2.01190e+01 1.58696e+00 2433 2022 9 1.75786e+01 1.44791e+00 2639 2022 10 1.43547e+01 9.86304e-01 2269 2022 11 1.12444e+01 1.96162e+00 3400 2022 12 6.77298e+00 1.30309e+00 2050 2023 1 4.82271e+00 6.59278e-01 1041 2023 2 4.22360e+00 8.55989e-01 1006 2023 3 4.96983e+00 9.97025e-01 1808 2023 4 8.00724e+00 1.79921e+00 1654 2023 5 1.26173e+01 1.51950e+00 3324 2023 6 1.66466e+01 2.01978e+00 1533 2023 7 2.00990e+01 1.67739e+00 2312 2023 8 1.76684e+01 1.17001e+00 1995 2023 9 1.89605e+01 1.61628e+00 2079 2023 10 1.56823e+01 1.69624e+00 1693 2023 11 1.01766e+01 1.51525e+00 2615 2023 12 7.14137e+00 8.61619e-01 1900 2024 1 5.45674e+00 9.31167e-01 1718 2024 2 3.64058e+00 5.77417e-01 2640 2024 3 5.21398e+00 7.64129e-01 1287 2024 4 5.33227e+00 3.55968e-02 64