YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 2.60363e+00 9.73962e-02 95 2000 3 2.62445e+00 4.62382e-01 156 2000 4 3.24985e+00 4.40566e-01 100 2000 5 6.02444e+00 1.11226e+00 89 2000 6 1.25253e+01 5.33385e-01 103 2000 7 1.73390e+01 9.96423e-01 751 2000 8 2.04921e+01 7.83967e-01 749 2000 9 1.89852e+01 2.43435e+00 328 2000 10 1.13526e+01 8.91606e-01 184 2000 11 9.31910e+00 2.28292e+00 407 2000 12 4.73788e+00 1.66759e+00 434 2001 1 1.49597e+00 4.91086e-01 397 2001 2 1.09714e+00 3.82036e-01 227 2001 3 1.43947e+00 5.75189e-01 580 2001 4 2.38144e+00 1.11038e+00 167 2001 5 7.72953e+00 6.93872e-01 116 2001 6 1.07053e+01 5.79592e-01 16 2001 7 1.85225e+01 2.27035e+00 705 2001 8 2.13213e+01 1.09119e+00 1475 2001 9 1.82369e+01 2.59540e+00 722 2001 10 1.26862e+01 3.43518e+00 605 2001 11 5.85079e+00 3.48823e-01 341 2001 12 5.30741e+00 1.03567e+00 653 2002 1 2.99818e+00 4.45763e-01 285 2002 2 2.53521e+00 5.37378e-01 480 2002 3 2.07286e+00 3.49567e-01 269 2002 4 3.63156e+00 8.73069e-01 365 2002 5 5.43121e+00 6.00027e-01 389 2002 6 1.26296e+01 6.70256e-01 124 2002 7 2.06038e+01 1.38728e+00 2067 2002 8 1.98251e+01 1.00964e+00 1332 2002 9 1.88197e+01 1.45706e+00 1222 2002 10 1.12341e+01 1.45683e+00 969 2002 11 7.76656e+00 1.02822e+00 1064 2002 12 4.69401e+00 8.75357e-01 1238 2003 1 2.71252e+00 7.61721e-01 717 2003 2 3.90828e-01 2.00739e-01 296 2003 3 1.23728e+00 3.53224e-01 366 2003 4 1.27014e+00 3.86712e-01 318 2003 5 4.21176e+00 1.44657e+00 125 2003 6 1.14800e+01 1.86630e+00 146 2003 7 1.62562e+01 1.31887e+00 1676 2003 8 2.04523e+01 1.34263e+00 2624 2003 9 2.03113e+01 6.67812e-01 799 2003 10 7.77945e+00 4.77019e-01 497 2003 11 6.47421e+00 7.01522e-01 1009 2003 12 4.38871e+00 7.91077e-01 917 2004 1 1.69137e+00 1.07455e+00 194 2004 2 8.58718e-01 2.28068e-01 620 2004 3 1.61235e+00 4.57074e-01 243 2004 4 2.95652e+00 1.10779e+00 806 2004 5 6.15968e+00 1.62297e+00 280 2004 6 1.20512e+01 1.08187e+00 604 2004 7 1.81781e+01 1.82889e+00 2038 2004 8 1.86087e+01 1.28682e+00 1754 2004 9 1.66882e+01 1.18946e+00 932 2004 10 1.29501e+01 1.41170e+00 1035 2004 11 9.04512e+00 1.24944e+00 1114 2004 12 5.01492e+00 1.27401e+00 567 2005 1 1.45571e+00 7.91793e-01 385 2005 2 2.14111e-01 9.46363e-01 90 2005 3 7.36347e-01 4.93516e-01 642 2005 4 3.35371e+00 5.36159e-01 375 2005 5 7.46452e+00 2.87659e+00 839 2005 6 1.49051e+01 2.13712e+00 247 2005 7 2.05694e+01 1.90649e+00 2955 2005 8 2.08942e+01 8.68903e-01 1575 2005 9 1.97203e+01 2.42901e+00 1439 2005 10 1.25792e+01 7.78540e-01 1429 2005 11 7.62083e+00 2.42519e+00 834 2005 12 3.27282e+00 1.00207e+00 767 2006 1 2.08976e+00 4.30405e-01 307 2006 2 1.52901e+00 4.44278e-01 461 2006 3 2.10065e+00 4.43644e-01 973 2006 4 3.74514e+00 1.04687e+00 556 2006 5 6.87461e+00 4.55594e-01 551 2006 6 1.38612e+01 1.41112e+00 1615 2006 7 1.78247e+01 1.06134e+00 1082 2006 8 2.11981e+01 6.42983e-01 2180 2006 9 2.01009e+01 1.95900e+00 1616 2006 10 8.28306e+00 2.41484e+00 1192 2006 11 5.67479e+00 1.21368e+00 600 2006 12 4.31634e+00 6.34136e-01 822 2007 1 3.32104e+00 1.04520e+00 718 2007 2 1.16866e+00 3.31773e-01 67 2007 3 1.03886e+00 3.68882e-01 408 2007 4 1.90615e+00 1.00385e+00 683 2007 5 6.16135e+00 8.26900e-01 141 2007 6 1.37403e+01 2.90736e+00 603 2007 7 1.89506e+01 2.13945e+00 1819 2007 8 2.12788e+01 8.07373e-01 2511 2007 9 1.71727e+01 3.54527e+00 833 2007 10 1.29176e+01 1.56249e+00 1089 2007 11 7.91318e+00 2.20589e+00 1245 2007 12 3.92337e+00 8.60902e-01 543 2008 1 1.76570e+00 7.44767e-01 307 2008 2 2.93898e-01 2.00371e-01 118 2008 3 1.12891e+00 3.89633e-01 681 2008 4 3.39502e+00 9.00927e-01 490 2008 5 6.53019e+00 9.63572e-01 550 2008 6 1.18802e+01 1.67113e+00 748 2008 7 1.79467e+01 1.97542e+00 1008 2008 8 2.08833e+01 6.33201e-01 4228 2008 9 1.87991e+01 1.33762e+00 2200 2008 10 1.56590e+01 1.87407e+00 1205 2008 11 5.24758e+00 1.23336e+00 697 2008 12 2.65564e+00 8.27213e-01 290 2009 1 1.65708e+00 3.21257e-01 216 2009 2 5.51788e-01 5.40642e-01 288 2009 3 1.27852e+00 3.54181e-01 535 2009 4 2.22330e+00 1.26441e+00 759 2009 5 5.36331e+00 1.09971e+00 540 2009 6 1.61042e+01 2.71090e+00 162 2009 7 1.61651e+01 1.06584e+00 2153 2009 8 1.61563e+01 1.38890e+00 567 2009 9 1.92185e+01 1.18487e+00 3774 2009 10 1.19821e+01 1.50717e+00 904 2009 11 7.43573e+00 1.27169e+00 820 2009 12 4.78938e+00 1.34042e+00 687 2010 1 1.85359e+00 5.38862e-01 354 2010 2 7.67842e-01 3.96631e-01 183 2010 3 1.53815e+00 8.83400e-01 362 2010 4 4.68659e+00 8.64249e-01 681 2010 5 7.47632e+00 2.76909e+00 583 2010 6 1.62756e+01 1.99684e+00 1444 2010 7 1.93588e+01 1.56324e+00 1172 2010 8 2.09069e+01 9.39296e-01 2474 2010 9 1.30105e+01 1.27871e+00 617 2010 10 1.42511e+01 1.64831e+00 2880 2010 11 5.95167e+00 1.34748e+00 752 2010 12 4.02457e+00 5.96588e-01 580 2011 1 1.96134e+00 5.28923e-01 127 2011 2 1.68014e+00 5.98360e-01 449 2011 3 1.35170e+00 4.66565e-01 783 2011 4 2.12379e+00 8.42019e-01 276 2011 5 4.22596e+00 9.54429e-01 187 2011 6 1.35121e+01 2.76259e+00 409 2011 7 1.90503e+01 1.86631e+00 635 2011 8 2.13498e+01 9.35356e-01 3310 2011 9 1.82391e+01 1.07034e+00 1913 2011 10 1.20152e+01 1.56714e+00 1771 2011 11 8.57540e+00 1.32153e+00 1238 2011 12 5.27637e+00 6.54226e-01 633 2012 1 3.20321e+00 8.79446e-01 751 2012 2 2.18140e+00 5.81462e-01 1320 2012 3 2.82812e+00 1.27556e+00 109 2012 4 5.10902e+00 6.16478e-01 856 2012 5 8.74102e+00 1.37281e+00 399 2012 6 1.40230e+01 2.33822e+00 1001 2012 7 2.16806e+01 1.42323e+00 2525 2012 8 2.17630e+01 1.21054e+00 2681 2012 9 1.78881e+01 3.05556e+00 1873 2012 10 1.04948e+01 2.74454e+00 1085 2012 11 7.66529e+00 2.33514e+00 854 2012 12 5.02421e+00 6.09132e-01 494 2013 1 3.36036e+00 5.49705e-01 852 2013 2 9.40088e-01 4.56056e-01 228 2013 3 1.14582e+00 4.58111e-01 487 2013 4 2.57057e+00 6.16028e-01 775 2013 5 6.44707e+00 2.64354e+00 300 2013 6 1.22996e+01 1.84059e+00 302 2013 7 1.91536e+01 2.25295e+00 1955 2013 8 1.87440e+01 1.12654e+00 1915 2013 9 1.86251e+01 1.17367e+00 1295 2013 10 1.01269e+01 2.89612e+00 799 2013 11 5.49157e+00 8.95970e-01 1226 2013 12 2.82248e+00 1.40570e+00 412 2014 1 1.17457e+00 4.52111e-01 185 2014 2 6.62283e-01 1.95395e-01 173 2014 3 3.89083e-01 3.18094e-01 109 2014 4 1.19973e+00 6.26970e-01 456 2014 5 4.07675e+00 1.58607e+00 77 2014 6 1.10306e+01 2.56914e+00 129 2014 7 1.37719e+01 9.54764e-01 390 2014 8 1.81510e+01 1.58811e+00 1517 2014 9 1.11169e+01 1.49337e+00 138 2014 10 1.13646e+01 5.77123e-01 1123 2014 11 7.24773e+00 1.84587e+00 848 2014 12 3.76842e+00 5.32864e-01 418 2015 1 1.54911e+00 8.05139e-01 185 2015 2 2.63333e-01 6.53622e-02 3 2015 3 1.35733e+00 5.07056e-01 753 2015 4 3.04713e+00 1.06793e+00 246 2015 5 6.57453e+00 1.69392e+00 149 2015 6 1.23972e+01 2.29008e+00 484 2015 7 1.75832e+01 2.48955e+00 1455 2015 8 1.99754e+01 9.95999e-01 711 2015 9 1.69867e+01 1.31710e+00 1108 2015 10 1.46249e+01 1.73838e+00 1572 2015 11 5.24714e+00 7.25840e-01 630 2015 12 4.43933e+00 4.76103e-01 557 2016 1 2.52033e+00 8.80850e-01 884 2016 2 1.58699e+00 7.70658e-01 249 2016 3 2.26399e+00 9.29824e-01 407 2016 4 3.09041e+00 5.53869e-01 611 2016 5 5.64334e+00 9.59123e-01 464 2016 6 1.54021e+01 2.43758e+00 957 2016 7 1.88079e+01 1.02918e+00 1362 2016 8 2.24615e+01 1.59071e+00 2726 2016 9 1.93144e+01 2.17571e+00 1143 2016 10 1.56777e+01 2.01701e+00 1358 2016 11 9.51397e+00 2.11337e+00 1860 2016 12 3.60195e+00 8.24202e-01 687 2017 1 2.11995e+00 8.03489e-01 397 2017 2 1.99111e+00 6.36314e-01 321 2017 3 1.77980e+00 6.15162e-01 595 2017 4 3.45553e+00 7.28631e-01 235 2017 5 6.68910e+00 1.89412e+00 668 2017 6 1.12158e+01 1.12218e+00 397 2017 7 1.96368e+01 2.13380e+00 1863 2017 8 2.06597e+01 6.86530e-01 3006 2017 9 1.87734e+01 7.16660e-01 2272 2017 10 1.27513e+01 2.72286e+00 603 2017 11 5.24044e+00 5.86311e-01 1110 2017 12 4.08632e+00 1.19751e+00 745 2018 1 1.08206e+00 3.22261e-01 109 2018 2 1.19981e+00 4.77339e-01 241 2018 3 1.48802e+00 7.29272e-01 852 2018 4 2.04587e+00 5.88788e-01 871 2018 5 5.92028e+00 2.83478e-01 18 2018 6 1.34341e+01 2.38910e+00 151 2018 7 1.95522e+01 1.18995e+00 1945 2018 8 2.28109e+01 1.10572e+00 2462 2018 9 1.77691e+01 1.04015e+00 1476 2018 10 1.09447e+01 1.28656e+00 1198 2018 11 6.20892e+00 1.25303e+00 581 2018 12 3.98440e+00 4.69517e-01 630 2019 1 2.97700e+00 5.41512e-01 285 2019 2 3.37500e-01 1.83346e-01 202 2019 3 9.99829e-01 6.10000e-01 557 2019 4 2.03233e+00 1.34558e+00 240 2019 5 5.69772e+00 2.85177e+00 160 2019 6 1.15359e+01 2.12370e+00 143 2019 7 1.78015e+01 1.34364e+00 1191 2019 8 1.94253e+01 1.13135e+00 2878 2019 9 1.48809e+01 8.90527e-01 1129 2019 10 1.11600e+01 3.71905e+00 1565 2019 11 5.59316e+00 5.49592e-01 1245 2019 12 3.48266e+00 6.12912e-01 957 2020 1 2.64209e+00 7.11313e-01 1027 2020 2 1.50369e+00 4.78477e-01 1777 2020 3 1.84622e+00 5.77478e-01 1490 2020 4 3.41370e+00 5.77137e-01 1646 2020 5 6.80328e+00 3.13725e+00 1378 2020 6 1.39746e+01 3.21978e+00 2209 2020 7 2.10918e+01 1.40865e+00 3108 2020 8 2.11590e+01 1.05925e+00 1689 2020 9 1.56560e+01 1.32445e+00 2018 2020 10 1.02388e+01 1.28966e+00 1884 2020 11 7.32894e+00 1.65803e+00 2494 2020 12 5.04151e+00 6.63427e-01 960 2021 1 2.77616e+00 5.22712e-01 642 2021 2 1.82731e+00 6.54350e-01 791 2021 3 2.39279e+00 5.35696e-01 2840 2021 4 4.04924e+00 7.64148e-01 1650 2021 5 8.25529e+00 2.02464e+00 1557 2021 6 1.50537e+01 2.24166e+00 2521 2021 7 1.91114e+01 2.39737e+00 3099 2021 8 2.08412e+01 1.49459e+00 2885 2021 9 1.95345e+01 1.76253e+00 3255 2021 10 1.63754e+01 1.06399e+00 1811 2021 11 1.01539e+01 3.86290e+00 2391 2021 12 4.96180e+00 5.04773e-01 1151 2022 1 2.44605e+00 7.96262e-01 591 2022 2 5.94135e-01 5.54717e-01 416 2022 3 1.33309e+00 6.52291e-01 1078 2022 4 2.89900e+00 6.57099e-01 524 2022 5 7.39986e+00 2.69952e+00 657 2022 6 1.19073e+01 2.20679e+00 1443 2022 7 1.81557e+01 1.81905e+00 2395 2022 8 1.96128e+01 2.18199e+00 2929 2022 9 1.93805e+01 1.23393e+00 3013 2022 10 1.51414e+01 2.54801e+00 2028 2022 11 6.72985e+00 1.96478e+00 1960 2022 12 4.43831e+00 8.15549e-01 960 2023 1 1.97922e+00 3.68055e-01 652 2023 2 1.57205e+00 3.69836e-01 2001 2023 3 1.84179e+00 3.67566e-01 1742 2023 4 3.52729e+00 1.16969e+00 1502 2023 5 9.06526e+00 2.72193e+00 947 2023 6 1.52114e+01 1.85421e+00 1437 2023 7 1.95136e+01 1.13990e+00 3126 2023 8 2.06870e+01 1.09291e+00 3228 2023 9 1.89263e+01 7.69104e-01 2124 2023 10 1.65090e+01 2.28207e+00 1986 2023 11 7.66894e+00 2.37658e+00 2710 2023 12 4.43619e+00 5.82733e-01 1471 2024 1 1.81034e+00 6.24441e-01 297 2024 2 2.36642e+00 5.10164e-01 1788 2024 3 3.04775e+00 3.63232e-01 1972 2024 4 2.62711e+00 2.47860e-01 116