YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.89459e+01 5.67440e-01 122 2000 3 2.05296e+01 1.33507e+00 606 2000 4 2.11806e+01 1.49826e+00 586 2000 5 2.55044e+01 1.98529e+00 552 2000 6 2.72803e+01 1.39891e+00 386 2000 7 2.80319e+01 1.25048e+00 293 2000 8 2.90599e+01 4.96785e-01 225 2000 9 2.74386e+01 7.51775e-01 222 2000 10 2.34995e+01 2.08481e+00 533 2000 11 2.34861e+01 9.40053e-01 267 2000 12 1.50838e+01 2.45793e-01 37 2001 1 1.29417e+01 1.52520e+00 47 2001 2 1.85926e+01 2.77322e+00 299 2001 3 1.54352e+01 8.10444e-01 203 2001 4 2.12347e+01 2.63211e+00 531 2001 5 2.53250e+01 1.08677e+00 615 2001 6 2.74999e+01 9.51184e-01 181 2001 7 2.95535e+01 1.57924e+00 71 2001 8 2.96649e+01 1.24633e+00 416 2001 9 2.65804e+01 1.70448e+00 348 2001 10 2.27086e+01 1.75957e+00 264 2001 11 1.98306e+01 1.15358e+00 679 2001 12 1.81805e+01 3.14142e+00 330 2002 1 1.77689e+01 1.82643e+00 237 2002 2 1.48700e+01 2.51401e+00 265 2002 3 2.05996e+01 1.53993e+00 129 2002 4 2.44266e+01 2.46144e+00 578 2002 5 2.54598e+01 2.26767e+00 623 2002 6 2.79472e+01 1.42430e+00 396 2002 7 2.91103e+01 1.91784e+00 1396 2002 8 2.85476e+01 1.60103e+00 1485 2002 9 2.84438e+01 1.41012e+00 1520 2002 10 2.67859e+01 2.24817e+00 2488 2002 11 2.02045e+01 2.45570e+00 1145 2002 12 1.48831e+01 6.90760e-01 262 2003 1 1.15908e+01 1.73219e+00 610 2003 2 1.48476e+01 1.77785e+00 933 2003 3 2.08405e+01 1.82581e+00 1317 2003 4 2.20946e+01 2.32860e+00 2332 2003 5 2.69933e+01 1.54588e+00 2326 2003 6 2.83688e+01 1.52872e+00 1755 2003 7 2.92550e+01 1.66703e+00 974 2003 8 2.83625e+01 1.43684e+00 1800 2003 9 2.73536e+01 1.23961e+00 1875 2003 10 2.41598e+01 1.18418e+00 2081 2003 11 2.15116e+01 2.21331e+00 2161 2003 12 1.36265e+01 7.53855e-01 211 2004 1 1.38530e+01 1.96642e+00 1102 2004 2 1.28537e+01 2.15281e+00 359 2004 3 1.87899e+01 2.37229e+00 2297 2004 4 2.02750e+01 2.59421e+00 2111 2004 5 2.63204e+01 2.10276e+00 3158 2004 6 2.89883e+01 1.74365e+00 1944 2004 7 2.99425e+01 1.69411e+00 1748 2004 8 2.95630e+01 1.94156e+00 2242 2004 9 2.66220e+01 2.07285e+00 1647 2004 10 2.45929e+01 2.30030e+00 2136 2004 11 2.13574e+01 3.13539e+00 1447 2004 12 1.68155e+01 1.94770e+00 768 2005 1 1.62807e+01 3.03619e+00 968 2005 2 1.46188e+01 2.20645e+00 802 2005 3 1.66883e+01 2.19549e+00 1430 2005 4 2.00453e+01 1.38553e+00 2278 2005 5 2.49543e+01 2.22861e+00 2356 2005 6 2.81795e+01 1.58280e+00 1669 2005 7 3.05130e+01 1.57821e+00 1860 2005 8 2.99922e+01 2.50225e+00 1577 2005 9 2.81167e+01 1.40353e+00 2352 2005 10 2.58188e+01 2.16091e+00 1706 2005 11 2.10738e+01 2.02859e+00 1396 2005 12 1.40038e+01 1.61930e+00 752 2006 1 1.52121e+01 2.74782e+00 1209 2006 2 1.42868e+01 2.03138e+00 1205 2006 3 1.87193e+01 2.27636e+00 2448 2006 4 2.28584e+01 2.18431e+00 2828 2006 5 2.49856e+01 2.36477e+00 2702 2006 6 2.81800e+01 1.69297e+00 2548 2006 7 2.98867e+01 1.54989e+00 2373 2006 8 3.01937e+01 1.39663e+00 2003 2006 9 2.84184e+01 2.01055e+00 2380 2006 10 2.39696e+01 2.28706e+00 1845 2006 11 1.82243e+01 1.95001e+00 1419 2006 12 1.61756e+01 2.12978e+00 518 2007 1 1.46723e+01 2.96598e+00 905 2007 2 1.46184e+01 2.42070e+00 1203 2007 3 1.93579e+01 2.63747e+00 2296 2007 4 2.11621e+01 2.19029e+00 1854 2007 5 2.38568e+01 1.59095e+00 2739 2007 6 2.83507e+01 1.35761e+00 2111 2007 7 3.01722e+01 1.73769e+00 1711 2007 8 3.06007e+01 1.69027e+00 2255 2007 9 2.80179e+01 1.63732e+00 1651 2007 10 2.59004e+01 1.34912e+00 1449 2007 11 1.87578e+01 2.00276e+00 2082 2007 12 1.79180e+01 2.45956e+00 1324 2008 1 1.40702e+01 2.56546e+00 515 2008 2 1.69921e+01 2.20030e+00 1354 2008 3 1.74834e+01 2.77997e+00 1987 2008 4 2.21397e+01 2.03023e+00 2044 2008 5 2.45557e+01 2.03622e+00 2419 2008 6 2.89212e+01 1.32052e+00 2130 2008 7 2.94044e+01 1.96455e+00 1719 2008 8 2.88897e+01 1.87139e+00 1586 2008 9 2.72182e+01 2.44757e+00 2164 2008 10 2.34860e+01 2.46197e+00 2329 2008 11 1.73627e+01 2.68615e+00 1360 2008 12 1.58376e+01 2.54974e+00 1258 2009 1 1.51265e+01 2.27294e+00 1064 2009 2 1.46131e+01 2.08800e+00 1218 2009 3 1.83223e+01 2.97130e+00 1796 2009 4 2.18534e+01 2.24590e+00 2011 2009 5 2.63724e+01 1.64897e+00 2140 2009 6 2.91318e+01 1.53441e+00 2436 2009 7 2.89239e+01 1.58290e+00 1687 2009 8 2.92369e+01 2.23308e+00 1876 2009 9 2.87339e+01 1.48343e+00 1975 2009 10 2.63410e+01 3.19602e+00 2224 2009 11 1.87171e+01 2.03804e+00 1138 2009 12 1.31629e+01 2.86191e+00 268 2010 1 1.40238e+01 2.04643e+00 780 2010 2 1.10668e+01 1.55455e+00 1083 2010 3 1.53609e+01 2.91798e+00 1722 2010 4 2.16270e+01 2.07437e+00 2008 2010 5 2.69055e+01 1.63424e+00 3007 2010 6 3.04629e+01 1.65195e+00 2377 2010 7 2.99524e+01 1.89135e+00 2400 2010 8 3.01966e+01 1.67472e+00 1191 2010 9 2.90298e+01 2.31936e+00 2179 2010 10 2.43972e+01 1.90335e+00 3124 2010 11 1.93777e+01 1.72544e+00 2174 2010 12 1.34443e+01 1.99689e+00 704 2011 1 1.21483e+01 1.64929e+00 939 2011 2 1.66264e+01 3.03899e+00 1268 2011 3 1.95274e+01 2.53008e+00 2184 2011 4 2.36704e+01 2.22728e+00 2980 2011 5 2.59489e+01 2.60970e+00 3607 2011 6 2.96650e+01 1.48177e+00 2208 2011 7 2.94751e+01 1.49624e+00 1888 2011 8 3.05358e+01 1.48646e+00 2501 2011 9 2.80136e+01 1.43976e+00 2599 2011 10 2.24810e+01 2.65679e+00 2079 2011 11 1.85864e+01 2.08724e+00 1882 2011 12 1.62642e+01 1.75749e+00 1159 2012 1 1.52050e+01 2.18858e+00 1624 2012 2 1.70867e+01 1.20311e+00 345 2012 3 2.18195e+01 2.44265e+00 2657 2012 4 2.30506e+01 2.04433e+00 2685 2012 5 2.69595e+01 1.17876e+00 2676 2012 6 2.73544e+01 1.76497e+00 1641 2012 7 2.96086e+01 1.77433e+00 1916 2012 8 2.91830e+01 1.63126e+00 1632 2012 9 2.81456e+01 1.82097e+00 1651 2012 10 2.43397e+01 1.99543e+00 1861 2012 11 1.77462e+01 1.62402e+00 1745 2012 12 1.73286e+01 2.16998e+00 1222 2013 1 1.68454e+01 2.90964e+00 1364 2013 2 1.53175e+01 2.57026e+00 1190 2013 3 1.54382e+01 2.43275e+00 1931 2013 4 2.14701e+01 2.13790e+00 1732 2013 5 2.48543e+01 2.71159e+00 2655 2013 6 2.80584e+01 1.83018e+00 2189 2013 7 2.79878e+01 2.02749e+00 1310 2013 8 2.98922e+01 1.98650e+00 2117 2013 9 2.91023e+01 1.85844e+00 2205 2013 10 2.43183e+01 2.66753e+00 2367 2013 11 1.98073e+01 2.29414e+00 607 2013 12 1.76477e+01 2.61447e+00 1016 2014 1 1.22725e+01 1.67777e+00 740 2014 2 1.48556e+01 2.29561e+00 1032 2014 3 1.73891e+01 1.85918e+00 1713 2014 4 2.15699e+01 2.80050e+00 1832 2014 5 2.53856e+01 2.24445e+00 2121 2014 6 2.84282e+01 2.29331e+00 2171 2014 7 3.00038e+01 1.50511e+00 1831 2014 8 2.98004e+01 1.75556e+00 2497 2014 9 2.80515e+01 1.60600e+00 905 2014 10 2.44668e+01 2.43029e+00 2735 2014 11 1.63527e+01 2.16534e+00 1037 2014 12 1.61508e+01 2.07886e+00 1400 2015 1 1.38267e+01 1.44109e+00 1260 2015 2 1.28346e+01 1.75710e+00 1211 2015 3 1.95443e+01 2.84818e+00 1490 2015 4 2.37046e+01 1.91772e+00 929 2015 5 2.65573e+01 2.46471e+00 3282 2015 6 2.99968e+01 1.62679e+00 2257 2015 7 2.91685e+01 2.06770e+00 1562 2015 8 3.04264e+01 1.64329e+00 2029 2015 9 2.71727e+01 2.04708e+00 1033 2015 10 2.38627e+01 1.95411e+00 1856 2015 11 2.28183e+01 3.52564e+00 1860 2015 12 1.87211e+01 2.75251e+00 808 2016 1 1.30342e+01 1.28274e+00 915 2016 2 1.41678e+01 2.23936e+00 1430 2016 3 1.80987e+01 2.68613e+00 1087 2016 4 2.22261e+01 2.23066e+00 2092 2016 5 2.59570e+01 2.34755e+00 2535 2016 6 2.94810e+01 1.92788e+00 2531 2016 7 3.11680e+01 1.65894e+00 2601 2016 8 3.04553e+01 1.37386e+00 2038 2016 9 2.91198e+01 1.59525e+00 2044 2016 10 2.45376e+01 1.94822e+00 2418 2016 11 1.99949e+01 2.85582e+00 1951 2016 12 1.75408e+01 2.09797e+00 936 2017 1 1.60418e+01 2.40526e+00 1095 2017 2 1.82007e+01 1.88795e+00 1944 2017 3 1.98185e+01 3.15962e+00 2100 2017 4 2.29165e+01 2.30302e+00 2394 2017 5 2.47980e+01 2.14385e+00 2086 2017 6 2.90652e+01 1.78679e+00 1029 2017 7 2.99390e+01 1.82946e+00 1386 2017 8 2.98501e+01 1.70308e+00 1754 2017 9 2.82351e+01 1.61408e+00 2272 2017 10 2.48929e+01 3.22806e+00 2309 2017 11 1.97212e+01 1.96842e+00 2181 2017 12 1.73773e+01 3.42846e+00 926 2018 1 1.21113e+01 2.60595e+00 799 2018 2 2.11040e+01 3.96954e+00 1595 2018 3 1.75100e+01 2.54444e+00 2120 2018 4 2.12506e+01 1.71692e+00 2106 2018 5 2.52642e+01 2.12911e+00 1702 2018 6 2.95444e+01 1.88158e+00 1904 2018 7 2.94851e+01 1.21558e+00 1376 2018 8 2.97071e+01 1.52157e+00 1669 2018 9 3.03354e+01 1.31990e+00 2765 2018 10 2.67507e+01 2.64711e+00 2490 2018 11 1.77952e+01 3.45268e+00 734 2018 12 1.54449e+01 2.83412e+00 804 2019 1 1.39672e+01 2.69940e+00 997 2019 2 1.75643e+01 3.32922e+00 1230 2019 3 1.86176e+01 2.53209e+00 1727 2019 4 2.21490e+01 2.22491e+00 1939 2019 5 2.78223e+01 1.96043e+00 2869 2019 6 2.90981e+01 1.55407e+00 1633 2019 7 2.96602e+01 1.77185e+00 1454 2019 8 2.99340e+01 1.21609e+00 1895 2019 9 2.90533e+01 1.73453e+00 3036 2019 10 2.58016e+01 1.91209e+00 2104 2019 11 1.84204e+01 2.11650e+00 2031 2019 12 1.69291e+01 2.01278e+00 1480 2020 1 1.49481e+01 2.11176e+00 1567 2020 2 1.51393e+01 2.05929e+00 1421 2020 3 2.24338e+01 4.12269e+00 2522 2020 4 2.32359e+01 1.49599e+00 1435 2020 5 2.49155e+01 2.25749e+00 3012 2020 6 2.97666e+01 1.59491e+00 2042 2020 7 2.97921e+01 1.63831e+00 1776 2020 8 3.13575e+01 1.22955e+00 1259 2020 9 2.83397e+01 2.08967e+00 1473 2020 10 2.57933e+01 1.63284e+00 2204 2020 11 2.10815e+01 2.08542e+00 2256 2020 12 1.41415e+01 1.87721e+00 1619 2021 1 1.49332e+01 2.22587e+00 1848 2021 2 1.70306e+01 2.74167e+00 1493 2021 3 1.91675e+01 2.92785e+00 2195 2021 4 2.18004e+01 3.02151e+00 2388 2021 5 2.50666e+01 2.11292e+00 2551 2021 6 2.78664e+01 1.63522e+00 1212 2021 7 2.94262e+01 1.16419e+00 1222 2021 8 3.01079e+01 1.37382e+00 1546 2021 9 2.83416e+01 1.17939e+00 1985 2021 10 2.57320e+01 2.31204e+00 1928 2021 11 1.77883e+01 1.84197e+00 2268 2021 12 1.81126e+01 2.08432e+00 2425 2022 1 1.44137e+01 3.29788e+00 2170 2022 2 1.73277e+01 3.77621e+00 2181 2022 3 2.00873e+01 1.87504e+00 2217 2022 4 2.30528e+01 2.04289e+00 1429 2022 5 2.69047e+01 1.68314e+00 2986 2022 6 2.95346e+01 1.44171e+00 2204 2022 7 3.03805e+01 1.55658e+00 2051 2022 8 3.04027e+01 1.54760e+00 2064 2022 9 2.82265e+01 2.05444e+00 1872 2022 10 2.28483e+01 2.70927e+00 2708 2022 11 2.22244e+01 2.44535e+00 1423 2022 12 1.86772e+01 3.03931e+00 2295 2023 1 1.54381e+01 1.98650e+00 2373 2023 2 1.74333e+01 2.47843e+00 1917 2023 3 2.05139e+01 2.84697e+00 2637 2023 4 2.35691e+01 1.56523e+00 1831 2023 5 2.52068e+01 2.00129e+00 2280 2023 6 2.79002e+01 1.87131e+00 1838 2023 7 3.09810e+01 1.33154e+00 2581 2023 8 3.12639e+01 1.22011e+00 2559 2023 9 2.90741e+01 1.78516e+00 2153 2023 10 2.30853e+01 1.94937e+00 2182 2023 11 2.04259e+01 2.26527e+00 1448 2023 12 1.38612e+01 1.49852e+00 1006 2024 1 1.35224e+01 2.02166e+00 1061 2024 2 1.57125e+01 1.56927e+00 1865 2024 3 2.02577e+01 1.33894e+00 1567 2024 4 2.22998e+01 1.08139e+00 253