YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.71215e+01 2.18250e-01 128 2000 3 1.97305e+01 1.82578e+00 604 2000 4 2.18801e+01 1.04136e+00 562 2000 5 2.57764e+01 2.16343e+00 808 2000 6 2.77986e+01 6.57508e-01 359 2000 7 2.88916e+01 5.72104e-01 500 2000 8 2.98556e+01 3.46716e-01 317 2000 9 2.72404e+01 7.39075e-01 203 2000 10 2.29596e+01 9.08592e-01 921 2000 11 2.08097e+01 2.53613e+00 475 2000 12 1.53571e+01 1.35163e+00 194 2001 1 1.20182e+01 1.81645e-01 128 2001 2 1.75133e+01 1.20090e+00 273 2001 3 1.63260e+01 1.37922e+00 509 2001 4 2.07302e+01 2.02352e+00 786 2001 5 2.49193e+01 1.56355e+00 831 2001 6 2.75369e+01 7.69462e-01 256 2001 7 2.95054e+01 1.00595e+00 168 2001 8 2.91646e+01 1.41428e+00 727 2001 9 2.65372e+01 1.57710e+00 364 2001 10 2.24020e+01 1.69974e+00 512 2001 11 1.96462e+01 6.57593e-01 758 2001 12 1.87362e+01 2.49037e+00 533 2002 1 1.29745e+01 5.67243e-01 21 2002 2 1.46339e+01 1.59781e+00 481 2002 3 1.60927e+01 1.65902e-01 64 2002 4 2.42111e+01 1.81759e+00 645 2002 5 2.61290e+01 1.46999e+00 602 2002 6 2.84120e+01 7.49074e-01 361 2002 7 2.94048e+01 1.25832e+00 1590 2002 8 2.90996e+01 9.77096e-01 2267 2002 9 2.84339e+01 9.38159e-01 2002 2002 10 2.70134e+01 1.62100e+00 2683 2002 11 2.09910e+01 2.68041e+00 2153 2002 12 1.48821e+01 9.96701e-01 1125 2003 1 1.23184e+01 1.24751e+00 1892 2003 2 1.41880e+01 1.60558e+00 932 2003 3 2.06852e+01 1.66036e+00 1284 2003 4 2.15751e+01 1.81892e+00 3009 2003 5 2.67074e+01 1.20244e+00 2595 2003 6 2.82261e+01 1.52135e+00 2123 2003 7 2.94953e+01 1.49519e+00 1387 2003 8 2.89422e+01 1.31229e+00 2025 2003 9 2.83446e+01 1.09148e+00 2148 2003 10 2.41076e+01 9.46950e-01 2761 2003 11 2.17325e+01 1.70011e+00 2818 2003 12 1.50195e+01 1.71010e+00 1519 2004 1 1.34197e+01 8.03737e-01 1403 2004 2 1.33962e+01 1.21713e+00 558 2004 3 1.82171e+01 1.52738e+00 2833 2004 4 2.04967e+01 1.56491e+00 2726 2004 5 2.60989e+01 1.84408e+00 3441 2004 6 2.93005e+01 1.09851e+00 2341 2004 7 3.02144e+01 1.29997e+00 2322 2004 8 2.96368e+01 1.27547e+00 2446 2004 9 2.73074e+01 1.83185e+00 2165 2004 10 2.50268e+01 1.65709e+00 2774 2004 11 2.19939e+01 2.49441e+00 2008 2004 12 1.56679e+01 2.32527e+00 1761 2005 1 1.43050e+01 2.08978e+00 1270 2005 2 1.41299e+01 8.68814e-01 879 2005 3 1.60313e+01 1.67943e+00 1605 2005 4 2.03544e+01 9.25424e-01 2898 2005 5 2.48881e+01 2.29712e+00 2914 2005 6 2.83151e+01 1.13163e+00 2522 2005 7 3.02353e+01 1.48795e+00 2348 2005 8 2.99497e+01 1.53947e+00 1987 2005 9 2.80507e+01 1.08617e+00 3040 2005 10 2.49439e+01 2.39257e+00 3271 2005 11 1.97947e+01 1.76884e+00 2298 2005 12 1.46970e+01 1.82015e+00 1361 2006 1 1.48180e+01 1.10435e+00 1441 2006 2 1.48477e+01 1.45082e+00 1534 2006 3 1.83539e+01 1.15734e+00 2732 2006 4 2.23900e+01 2.05505e+00 2923 2006 5 2.50174e+01 1.53967e+00 3348 2006 6 2.82218e+01 1.19126e+00 3000 2006 7 2.99876e+01 1.17265e+00 2609 2006 8 3.02911e+01 1.24766e+00 2796 2006 9 2.84744e+01 1.34235e+00 2408 2006 10 2.46486e+01 2.03798e+00 3097 2006 11 1.83130e+01 1.87061e+00 1966 2006 12 1.57540e+01 1.58005e+00 1101 2007 1 1.51298e+01 1.16639e+00 994 2007 2 1.35145e+01 8.61479e-01 1177 2007 3 1.81067e+01 1.53861e+00 2666 2007 4 2.06702e+01 1.62033e+00 2259 2007 5 2.43417e+01 9.79231e-01 3475 2007 6 2.75510e+01 1.91696e+00 2629 2007 7 3.00005e+01 1.61561e+00 1870 2007 8 3.03920e+01 1.48182e+00 2657 2007 9 2.85243e+01 1.51786e+00 2470 2007 10 2.59301e+01 1.43957e+00 2080 2007 11 1.95224e+01 1.57429e+00 3060 2007 12 1.72354e+01 1.63451e+00 1387 2008 1 1.37601e+01 1.66365e+00 1068 2008 2 1.56551e+01 1.46857e+00 1620 2008 3 1.77412e+01 1.36237e+00 2388 2008 4 2.14238e+01 1.51465e+00 3062 2008 5 2.48191e+01 1.98560e+00 2863 2008 6 2.87765e+01 1.29297e+00 2435 2008 7 2.92690e+01 1.41278e+00 2196 2008 8 2.83939e+01 1.20365e+00 1595 2008 9 2.76224e+01 1.66827e+00 2459 2008 10 2.39324e+01 1.86288e+00 3672 2008 11 1.78247e+01 1.76925e+00 2263 2008 12 1.52357e+01 1.24050e+00 1367 2009 1 1.45487e+01 1.82966e+00 1770 2009 2 1.39267e+01 1.26057e+00 1680 2009 3 1.77894e+01 2.28107e+00 2036 2009 4 2.16050e+01 1.55856e+00 2784 2009 5 2.55195e+01 1.41561e+00 2434 2009 6 2.82191e+01 1.16301e+00 2533 2009 7 2.90793e+01 1.26344e+00 2300 2009 8 2.97382e+01 1.45647e+00 2277 2009 9 2.83723e+01 1.00893e+00 2350 2009 10 2.56342e+01 2.46153e+00 2814 2009 11 1.97434e+01 1.43749e+00 1636 2009 12 1.46581e+01 1.43257e+00 404 2010 1 1.16007e+01 2.29236e+00 1363 2010 2 1.24043e+01 9.20089e-01 1681 2010 3 1.54966e+01 1.83659e+00 1850 2010 4 2.12452e+01 1.72537e+00 2460 2010 5 2.68119e+01 2.10547e+00 3434 2010 6 3.02291e+01 1.30034e+00 3069 2010 7 2.99068e+01 1.46236e+00 2612 2010 8 3.00828e+01 1.54780e+00 1456 2010 9 2.91463e+01 1.15850e+00 2759 2010 10 2.46166e+01 1.07031e+00 4172 2010 11 2.00763e+01 1.23067e+00 3160 2010 12 1.46553e+01 3.16208e+00 2022 2011 1 1.10735e+01 1.00858e+00 1466 2011 2 1.34586e+01 2.05582e+00 860 2011 3 1.88463e+01 1.69882e+00 2348 2011 4 2.33775e+01 1.66178e+00 3524 2011 5 2.57060e+01 1.58899e+00 3847 2011 6 2.95135e+01 1.26151e+00 2562 2011 7 2.96264e+01 1.19224e+00 2125 2011 8 3.07744e+01 8.97591e-01 2743 2011 9 2.82927e+01 8.91512e-01 2704 2011 10 2.38299e+01 1.76297e+00 2925 2011 11 1.88572e+01 7.91001e-01 2005 2011 12 1.66573e+01 7.36363e-01 1163 2012 1 1.51924e+01 1.16683e+00 2096 2012 2 1.60514e+01 1.21634e+00 761 2012 3 2.10331e+01 2.18301e+00 2738 2012 4 2.32222e+01 8.74923e-01 3465 2012 5 2.64354e+01 1.19703e+00 3384 2012 6 2.73475e+01 9.06398e-01 2132 2012 7 2.93130e+01 1.66574e+00 2269 2012 8 2.90324e+01 1.46375e+00 1706 2012 9 2.84056e+01 1.15334e+00 2367 2012 10 2.47362e+01 1.92150e+00 2968 2012 11 1.85203e+01 1.23137e+00 2557 2012 12 1.68731e+01 2.04028e+00 1871 2013 1 1.51874e+01 1.06196e+00 1072 2013 2 1.60734e+01 1.15793e+00 1756 2013 3 1.59761e+01 1.39605e+00 2622 2013 4 2.04504e+01 2.10544e+00 2157 2013 5 2.45377e+01 2.04966e+00 2756 2013 6 2.83439e+01 1.52733e+00 2374 2013 7 2.86249e+01 1.78842e+00 1335 2013 8 3.01873e+01 1.56365e+00 2489 2013 9 2.96371e+01 1.57423e+00 2734 2013 10 2.52846e+01 1.54562e+00 2918 2013 11 2.01804e+01 2.35132e+00 1639 2013 12 1.69531e+01 1.14098e+00 1148 2014 1 1.23565e+01 1.07875e+00 1068 2014 2 1.46434e+01 1.76746e+00 1051 2014 3 1.69416e+01 1.31060e+00 1990 2014 4 2.08954e+01 1.70717e+00 2294 2014 5 2.53246e+01 1.45326e+00 2471 2014 6 2.87612e+01 1.61659e+00 2598 2014 7 2.98544e+01 1.13477e+00 2046 2014 8 2.99920e+01 1.08176e+00 3108 2014 9 2.87291e+01 1.20756e+00 1394 2014 10 2.51569e+01 1.52394e+00 3418 2014 11 1.78944e+01 2.32656e+00 2281 2014 12 1.56638e+01 1.33678e+00 1528 2015 1 1.43958e+01 1.06248e+00 1941 2015 2 1.34760e+01 1.08048e+00 1779 2015 3 1.92600e+01 1.84350e+00 1815 2015 4 2.31422e+01 2.20047e+00 1352 2015 5 2.67965e+01 1.74962e+00 3832 2015 6 2.99943e+01 1.16704e+00 2567 2015 7 2.99070e+01 1.64259e+00 1594 2015 8 2.99607e+01 1.92468e+00 2218 2015 9 2.80432e+01 1.85144e+00 1361 2015 10 2.38987e+01 1.19577e+00 2401 2015 11 2.22517e+01 2.67787e+00 2099 2015 12 1.84052e+01 1.05125e+00 1226 2016 1 1.51567e+01 1.74962e+00 1474 2016 2 1.41640e+01 1.55303e+00 1409 2016 3 1.86165e+01 1.76597e+00 1575 2016 4 2.20063e+01 1.74493e+00 2007 2016 5 2.59225e+01 1.19854e+00 2989 2016 6 2.93667e+01 1.10962e+00 2570 2016 7 3.11294e+01 1.30326e+00 3123 2016 8 3.03991e+01 1.39917e+00 2501 2016 9 2.92573e+01 1.16436e+00 2581 2016 10 2.58633e+01 1.69431e+00 2964 2016 11 2.12589e+01 2.15327e+00 2756 2016 12 1.77381e+01 1.59782e+00 1705 2017 1 1.63786e+01 1.45568e+00 1402 2017 2 1.76284e+01 1.90250e+00 2077 2017 3 1.85879e+01 1.53617e+00 2702 2017 4 2.29672e+01 1.32543e+00 2635 2017 5 2.49981e+01 1.44648e+00 2184 2017 6 2.86077e+01 1.60908e+00 1763 2017 7 3.05610e+01 1.28678e+00 1669 2017 8 3.01511e+01 1.44861e+00 2216 2017 9 2.81791e+01 1.52909e+00 2386 2017 10 2.52964e+01 1.94471e+00 3514 2017 11 2.03637e+01 1.27088e+00 3142 2017 12 1.70678e+01 2.11675e+00 1434 2018 1 1.15540e+01 1.21492e+00 1430 2018 2 1.87645e+01 3.21688e+00 1237 2018 3 1.84686e+01 1.61846e+00 2757 2018 4 2.11376e+01 1.41858e+00 2614 2018 5 2.51526e+01 1.59055e+00 2430 2018 6 2.92827e+01 1.52628e+00 1805 2018 7 3.01605e+01 1.09784e+00 1974 2018 8 3.04974e+01 1.16114e+00 1837 2018 9 3.04391e+01 1.12163e+00 3333 2018 10 2.70209e+01 2.28681e+00 3078 2018 11 1.97358e+01 2.03930e+00 1183 2018 12 1.58293e+01 1.47285e+00 963 2019 1 1.54192e+01 1.70021e+00 1658 2019 2 1.67894e+01 2.65952e+00 882 2019 3 1.83721e+01 1.33189e+00 1926 2019 4 2.21192e+01 1.72640e+00 2063 2019 5 2.71675e+01 2.01145e+00 3665 2019 6 2.93073e+01 1.10090e+00 2033 2019 7 2.99617e+01 1.15253e+00 2038 2019 8 3.02878e+01 1.14818e+00 2302 2019 9 2.92237e+01 1.01553e+00 3829 2019 10 2.65969e+01 2.04667e+00 2683 2019 11 1.91167e+01 2.53461e+00 2330 2019 12 1.65076e+01 1.25943e+00 1717 2020 1 1.58474e+01 1.21898e+00 1928 2020 2 1.53258e+01 9.82501e-01 1612 2020 3 2.08051e+01 3.51571e+00 2327 2020 4 2.37323e+01 1.01596e+00 1979 2020 5 2.47361e+01 1.13546e+00 2751 2020 6 2.92666e+01 1.05244e+00 2544 2020 7 2.97729e+01 1.12872e+00 2535 2020 8 3.10293e+01 1.14608e+00 1625 2020 9 2.86657e+01 2.18066e+00 1662 2020 10 2.55675e+01 9.33537e-01 2445 2020 11 2.19397e+01 1.60008e+00 3086 2020 12 1.55427e+01 1.82660e+00 2926 2021 1 1.37819e+01 1.41609e+00 2062 2021 2 1.58484e+01 1.72429e+00 1887 2021 3 1.85382e+01 1.30163e+00 2362 2021 4 2.14556e+01 1.21738e+00 2410 2021 5 2.55199e+01 1.40152e+00 2660 2021 6 2.79582e+01 1.15540e+00 1862 2021 7 2.96375e+01 1.28010e+00 1466 2021 8 3.03920e+01 1.34014e+00 1503 2021 9 2.89073e+01 1.20255e+00 1890 2021 10 2.62029e+01 1.66729e+00 2414 2021 11 1.89925e+01 1.41606e+00 2880 2021 12 1.79228e+01 1.04768e+00 2154 2022 1 1.57914e+01 2.33520e+00 2529 2022 2 1.50575e+01 2.09858e+00 2013 2022 3 1.91305e+01 1.04222e+00 2868 2022 4 2.27897e+01 1.20400e+00 1898 2022 5 2.65653e+01 1.35830e+00 2819 2022 6 2.97860e+01 1.29248e+00 2514 2022 7 3.04095e+01 1.11772e+00 1864 2022 8 3.09066e+01 1.25189e+00 1918 2022 9 2.85104e+01 1.92338e+00 1836 2022 10 2.34807e+01 1.40280e+00 3457 2022 11 2.11784e+01 2.14673e+00 1654 2022 12 1.72022e+01 2.55321e+00 3271 2023 1 1.44512e+01 8.43646e-01 2498 2023 2 1.67180e+01 1.52777e+00 1938 2023 3 2.03052e+01 1.69051e+00 3167 2023 4 2.26207e+01 9.21656e-01 1916 2023 5 2.52311e+01 1.64498e+00 2246 2023 6 2.74315e+01 1.58112e+00 2519 2023 7 3.03073e+01 1.16732e+00 2221 2023 8 3.11421e+01 1.00846e+00 2782 2023 9 2.93628e+01 1.31993e+00 2514 2023 10 2.39422e+01 1.42916e+00 2949 2023 11 2.05279e+01 1.57086e+00 2062 2023 12 1.48128e+01 1.56310e+00 1548 2024 1 1.35992e+01 8.04309e-01 1284 2024 2 1.49549e+01 9.22764e-01 1907 2024 3 1.97709e+01 1.13956e+00 1836 2024 4 2.10839e+01 4.83510e-01 84