YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 2.01394e+01 6.41054e-01 128 2000 3 2.24182e+01 2.59609e-01 192 2000 4 2.26278e+01 1.48737e+00 380 2000 5 2.47454e+01 1.06373e+00 268 2000 6 2.71767e+01 1.51973e+00 217 2000 7 2.88032e+01 1.56964e+00 293 2000 8 2.86951e+01 1.09324e+00 209 2000 9 2.74308e+01 8.99135e-01 215 2000 10 2.39029e+01 1.44738e+00 283 2000 11 2.34404e+01 2.45474e-01 192 2000 12 1.78918e+01 1.24633e-01 60 2001 1 nan nan 0 2001 2 1.93601e+01 2.72676e+00 192 2001 3 1.92293e+01 9.74697e-01 192 2001 4 2.13987e+01 1.06390e+00 249 2001 5 2.52042e+01 2.56902e+00 508 2001 6 2.91590e+01 7.12430e-01 80 2001 7 2.80750e+01 1.30690e-01 120 2001 8 2.93604e+01 1.49746e+00 204 2001 9 2.66724e+01 1.57245e+00 197 2001 10 2.19937e+01 8.57642e-02 64 2001 11 2.12214e+01 8.86896e-01 448 2001 12 2.17993e+01 9.98637e-01 314 2002 1 2.03311e+01 1.60662e+00 142 2002 2 1.81393e+01 1.90460e+00 278 2002 3 2.03939e+01 2.09530e+00 223 2002 4 2.52855e+01 1.19511e+00 249 2002 5 2.45996e+01 1.76071e+00 302 2002 6 2.80365e+01 8.27022e-01 258 2002 7 2.85081e+01 1.11506e+00 771 2002 8 2.82969e+01 1.04146e+00 927 2002 9 2.81520e+01 1.14861e+00 890 2002 10 2.73345e+01 1.25784e+00 1506 2002 11 2.22854e+01 1.43390e+00 755 2002 12 1.75181e+01 4.09873e-01 63 2003 1 1.53850e+01 4.99096e-01 488 2003 2 1.72792e+01 1.79386e+00 870 2003 3 2.19250e+01 1.31137e+00 1110 2003 4 2.20330e+01 2.20787e+00 1339 2003 5 2.69621e+01 1.66393e+00 1632 2003 6 2.76827e+01 1.25202e+00 1040 2003 7 2.86273e+01 1.44165e+00 691 2003 8 2.81027e+01 9.73679e-01 1481 2003 9 2.76979e+01 7.67946e-01 942 2003 10 2.52949e+01 1.11379e+00 1389 2003 11 2.26153e+01 1.22751e+00 1300 2003 12 nan nan 0 2004 1 1.63767e+01 1.50964e+00 955 2004 2 1.71182e+01 1.31219e+00 507 2004 3 1.98689e+01 1.42376e+00 1522 2004 4 2.13154e+01 1.34157e+00 1551 2004 5 2.59007e+01 1.71097e+00 1835 2004 6 2.93763e+01 8.31393e-01 1532 2004 7 2.84799e+01 1.33563e+00 982 2004 8 2.89591e+01 9.65224e-01 1204 2004 9 2.75937e+01 1.60531e+00 1149 2004 10 2.53413e+01 1.44635e+00 1618 2004 11 2.20583e+01 1.69117e+00 1089 2004 12 1.99260e+01 1.20793e+00 310 2005 1 1.72162e+01 1.67489e+00 975 2005 2 1.67503e+01 9.78731e-01 1188 2005 3 1.88122e+01 1.92506e+00 817 2005 4 2.14917e+01 8.24151e-01 1635 2005 5 2.52012e+01 1.77924e+00 1372 2005 6 2.81989e+01 1.54695e+00 1112 2005 7 2.90700e+01 1.41545e+00 1281 2005 8 2.94630e+01 1.70656e+00 1046 2005 9 2.80503e+01 9.57549e-01 1626 2005 10 2.68789e+01 7.92781e-01 715 2005 11 2.15432e+01 9.05408e-01 798 2005 12 1.91292e+01 7.67819e-01 183 2006 1 1.70913e+01 1.30664e+00 1186 2006 2 1.72326e+01 1.15781e+00 1053 2006 3 2.03564e+01 1.51140e+00 1576 2006 4 2.34823e+01 1.88636e+00 1701 2006 5 2.55335e+01 1.68535e+00 1924 2006 6 2.80259e+01 1.42939e+00 1454 2006 7 2.84646e+01 1.42033e+00 1338 2006 8 2.97912e+01 9.81711e-01 1746 2006 9 2.84416e+01 1.14151e+00 1512 2006 10 2.54898e+01 1.63492e+00 1605 2006 11 2.13381e+01 1.11548e+00 761 2006 12 1.88994e+01 8.93670e-01 556 2007 1 1.81739e+01 1.35206e+00 1075 2007 2 1.66047e+01 1.14568e+00 905 2007 3 2.00862e+01 1.52225e+00 1362 2007 4 2.25440e+01 1.52807e+00 1513 2007 5 2.43433e+01 1.10544e+00 2003 2007 6 2.75749e+01 1.52148e+00 1344 2007 7 2.93350e+01 1.41744e+00 1298 2007 8 3.00954e+01 8.76994e-01 1412 2007 9 2.85535e+01 1.14993e+00 1323 2007 10 2.65381e+01 7.60569e-01 962 2007 11 2.09775e+01 1.34285e+00 1311 2007 12 2.08965e+01 1.21297e+00 895 2008 1 1.68809e+01 1.20171e+00 705 2008 2 1.88859e+01 1.09476e+00 1530 2008 3 1.92093e+01 1.46217e+00 1466 2008 4 2.28572e+01 1.55769e+00 1552 2008 5 2.56372e+01 1.25824e+00 1909 2008 6 2.79996e+01 1.40704e+00 1585 2008 7 2.76268e+01 1.72791e+00 1095 2008 8 2.89115e+01 7.49208e-01 1145 2008 9 2.76721e+01 1.17406e+00 1510 2008 10 2.48724e+01 1.39181e+00 1011 2008 11 2.02014e+01 8.08655e-01 594 2008 12 1.85851e+01 8.84557e-01 608 2009 1 1.77015e+01 1.64236e+00 906 2009 2 1.70268e+01 1.06236e+00 885 2009 3 2.00266e+01 1.97113e+00 1384 2009 4 2.24937e+01 1.46952e+00 1419 2009 5 2.60126e+01 1.58331e+00 1393 2009 6 2.88660e+01 1.35652e+00 1489 2009 7 2.94971e+01 8.07732e-01 1285 2009 8 2.90997e+01 8.90578e-01 1120 2009 9 2.87476e+01 9.54097e-01 1058 2009 10 2.69717e+01 2.28778e+00 1514 2009 11 2.13864e+01 1.57938e+00 734 2009 12 1.91286e+01 9.94710e-01 317 2010 1 1.69221e+01 9.02335e-01 355 2010 2 1.54888e+01 4.81785e-01 193 2010 3 1.72575e+01 1.50087e+00 793 2010 4 2.18790e+01 1.74730e+00 1336 2010 5 2.67376e+01 1.85195e+00 1828 2010 6 2.96226e+01 1.27213e+00 1503 2010 7 2.89738e+01 1.46450e+00 1466 2010 8 2.95848e+01 1.59119e+00 853 2010 9 2.87203e+01 1.01892e+00 1457 2010 10 2.50897e+01 1.02907e+00 1716 2010 11 2.06988e+01 1.11790e+00 1151 2010 12 2.14368e+01 1.23676e+00 181 2011 1 1.52806e+01 3.74707e-01 425 2011 2 1.79193e+01 1.98284e+00 1242 2011 3 2.08431e+01 1.69459e+00 1525 2011 4 2.44144e+01 1.42226e+00 1748 2011 5 2.59844e+01 1.41056e+00 1950 2011 6 2.81947e+01 1.53351e+00 1249 2011 7 2.91627e+01 1.19150e+00 1016 2011 8 2.96116e+01 1.06519e+00 1336 2011 9 2.82005e+01 8.04547e-01 1394 2011 10 2.45755e+01 2.06113e+00 846 2011 11 2.11475e+01 9.22339e-01 1225 2011 12 1.92449e+01 9.45288e-01 1212 2012 1 1.72253e+01 1.51243e+00 993 2012 2 1.88747e+01 1.80645e+00 633 2012 3 2.21720e+01 1.83121e+00 1750 2012 4 2.33827e+01 1.34674e+00 1659 2012 5 2.66279e+01 1.48409e+00 1325 2012 6 2.79110e+01 9.62524e-01 1118 2012 7 2.88852e+01 1.06593e+00 1046 2012 8 2.91330e+01 1.45645e+00 1198 2012 9 2.81129e+01 1.18230e+00 1225 2012 10 2.60672e+01 1.22437e+00 1138 2012 11 1.98202e+01 5.93708e-01 535 2012 12 2.02456e+01 9.29766e-01 727 2013 1 1.92263e+01 1.43802e+00 896 2013 2 1.84428e+01 1.87496e+00 968 2013 3 1.77814e+01 1.62324e+00 1079 2013 4 2.25346e+01 2.30663e+00 893 2013 5 2.53520e+01 1.40911e+00 1503 2013 6 2.83731e+01 1.39466e+00 1205 2013 7 2.82337e+01 1.19929e+00 790 2013 8 3.00378e+01 5.39817e-01 1173 2013 9 2.87823e+01 1.38143e+00 1319 2013 10 2.57709e+01 1.79980e+00 1565 2013 11 2.19621e+01 1.24027e+00 882 2013 12 2.00962e+01 1.28439e+00 1002 2014 1 1.57581e+01 5.65022e-01 516 2014 2 1.80529e+01 1.11057e+00 886 2014 3 1.99083e+01 6.86194e-01 1054 2014 4 2.25612e+01 2.00588e+00 1049 2014 5 2.51356e+01 1.48930e+00 1283 2014 6 2.87011e+01 1.39165e+00 1127 2014 7 2.91557e+01 1.20966e+00 1332 2014 8 2.96440e+01 9.81803e-01 1622 2014 9 2.90554e+01 1.28136e+00 842 2014 10 2.54283e+01 1.51113e+00 1445 2014 11 2.06753e+01 1.30717e+00 688 2014 12 1.85929e+01 7.84197e-01 524 2015 1 1.73152e+01 1.59792e+00 1071 2015 2 1.65895e+01 7.03183e-01 1122 2015 3 2.09562e+01 2.45067e+00 1112 2015 4 2.43172e+01 2.02817e+00 1183 2015 5 2.64880e+01 1.81542e+00 1827 2015 6 2.88943e+01 1.77157e+00 1396 2015 7 2.86520e+01 1.46768e+00 1174 2015 8 2.91864e+01 1.41027e+00 819 2015 9 2.88219e+01 1.37389e+00 697 2015 10 2.58462e+01 1.65231e+00 1300 2015 11 2.37214e+01 2.45304e+00 1264 2015 12 2.08167e+01 1.44080e+00 897 2016 1 1.77163e+01 1.67113e+00 418 2016 2 1.63166e+01 1.24792e+00 862 2016 3 2.00020e+01 1.78021e+00 733 2016 4 2.31018e+01 1.29974e+00 1414 2016 5 2.61345e+01 1.36756e+00 1332 2016 6 2.85730e+01 1.47174e+00 1454 2016 7 3.01494e+01 1.61421e+00 1431 2016 8 2.97860e+01 1.55429e+00 1390 2016 9 2.90423e+01 1.22795e+00 1632 2016 10 2.59012e+01 1.64457e+00 1511 2016 11 2.14728e+01 1.56214e+00 1300 2016 12 2.06535e+01 1.06145e+00 1502 2017 1 1.85794e+01 1.57987e+00 1256 2017 2 1.96472e+01 1.55351e+00 1436 2017 3 2.05157e+01 1.90939e+00 1614 2017 4 2.35722e+01 1.49833e+00 1521 2017 5 2.51922e+01 1.18934e+00 1477 2017 6 2.77778e+01 1.62505e+00 722 2017 7 2.98133e+01 1.39395e+00 1254 2017 8 2.97694e+01 1.53893e+00 965 2017 9 2.84582e+01 9.15990e-01 1164 2017 10 2.58728e+01 2.12130e+00 1095 2017 11 2.17838e+01 9.34775e-01 1445 2017 12 2.00618e+01 1.62587e+00 1586 2018 1 1.56589e+01 6.06763e-01 438 2018 2 2.11743e+01 2.94134e+00 1492 2018 3 1.93914e+01 1.49471e+00 1562 2018 4 2.34510e+01 1.17583e+00 1297 2018 5 2.46503e+01 1.05474e+00 1002 2018 6 2.85512e+01 1.51062e+00 1307 2018 7 2.89420e+01 1.81845e+00 1084 2018 8 2.98697e+01 9.89962e-01 1007 2018 9 2.96651e+01 1.12916e+00 1530 2018 10 2.74096e+01 1.57469e+00 1615 2018 11 2.28859e+01 1.77850e+00 1014 2018 12 1.89273e+01 1.17957e+00 488 2019 1 1.84082e+01 1.74728e+00 903 2019 2 1.98371e+01 2.28590e+00 1096 2019 3 2.10743e+01 1.41113e+00 1436 2019 4 2.33845e+01 2.18173e+00 1546 2019 5 2.68136e+01 1.84924e+00 1732 2019 6 2.93058e+01 1.68487e+00 1300 2019 7 2.89892e+01 1.16096e+00 1220 2019 8 2.92947e+01 1.21372e+00 840 2019 9 2.86633e+01 1.11488e+00 1556 2019 10 2.65857e+01 9.31074e-01 1524 2019 11 2.19444e+01 2.62303e+00 790 2019 12 1.96695e+01 1.10085e+00 993 2020 1 1.85031e+01 1.33540e+00 921 2020 2 1.89795e+01 1.91214e+00 993 2020 3 2.11838e+01 2.19806e+00 814 2020 4 2.42887e+01 8.74616e-01 903 2020 5 2.55126e+01 1.34702e+00 1617 2020 6 2.91887e+01 1.13128e+00 822 2020 7 3.00387e+01 9.68321e-01 1192 2020 8 3.08229e+01 6.75231e-01 607 2020 9 2.89976e+01 1.41914e+00 620 2020 10 2.67731e+01 9.84499e-01 882 2020 11 2.25086e+01 1.50923e+00 1061 2020 12 1.82787e+01 5.43819e-01 344 2021 1 1.71525e+01 1.21680e+00 904 2021 2 1.91987e+01 2.17242e+00 974 2021 3 2.08946e+01 1.58322e+00 1179 2021 4 2.28363e+01 2.00520e+00 942 2021 5 2.56793e+01 1.35080e+00 1593 2021 6 2.79737e+01 1.27041e+00 854 2021 7 2.89397e+01 9.80138e-01 690 2021 8 2.92239e+01 1.03880e+00 903 2021 9 2.87300e+01 6.97516e-01 1168 2021 10 2.70596e+01 1.38987e+00 1163 2021 11 2.07213e+01 1.24110e+00 838 2021 12 2.06527e+01 9.93828e-01 1284 2022 1 1.85864e+01 1.66301e+00 963 2022 2 1.84553e+01 2.14133e+00 1057 2022 3 2.18862e+01 1.08749e+00 1730 2022 4 2.40988e+01 1.10405e+00 892 2022 5 2.70520e+01 9.77650e-01 1246 2022 6 2.86070e+01 1.08044e+00 1084 2022 7 3.04103e+01 8.33667e-01 1397 2022 8 3.08022e+01 1.44201e+00 1301 2022 9 2.90306e+01 2.40139e+00 1526 2022 10 2.44453e+01 1.89390e+00 2358 2022 11 2.35144e+01 2.20265e+00 1503 2022 12 2.04109e+01 3.02951e+00 1979 2023 1 1.77945e+01 1.47782e+00 2801 2023 2 2.07097e+01 1.58765e+00 2853 2023 3 2.31442e+01 2.11601e+00 3388 2023 4 2.54488e+01 1.25316e+00 1541 2023 5 2.73046e+01 1.79633e+00 3331 2023 6 2.89645e+01 1.65922e+00 2237 2023 7 3.11647e+01 9.27350e-01 1748 2023 8 3.15592e+01 1.33404e+00 2441 2023 9 3.01501e+01 1.03892e+00 2621 2023 10 2.50056e+01 2.03972e+00 2432 2023 11 2.25889e+01 1.68714e+00 1997 2023 12 1.78041e+01 1.97754e+00 949 2024 1 1.70925e+01 1.26743e+00 1101 2024 2 1.82130e+01 1.06457e+00 2478 2024 3 2.27837e+01 1.16100e+00 1924 2024 4 2.29354e+01 1.18579e-01 60