YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 2.19874e+01 6.50378e-01 234 2000 3 2.47843e+01 7.03593e-01 528 2000 4 2.51307e+01 8.22330e-01 511 2000 5 2.75625e+01 1.28030e+00 395 2000 6 2.87562e+01 3.97776e-01 167 2000 7 3.06570e+01 8.50477e-01 276 2000 8 3.00319e+01 1.43417e+00 219 2000 9 2.87762e+01 1.46904e+00 296 2000 10 2.61622e+01 1.81215e+00 637 2000 11 2.40067e+01 1.13297e+00 580 2000 12 2.16407e+01 1.35466e+00 380 2001 1 nan nan 0 2001 2 2.26469e+01 1.12058e+00 450 2001 3 2.31438e+01 1.30148e+00 511 2001 4 2.55330e+01 1.09318e+00 615 2001 5 2.53135e+01 1.23804e+00 420 2001 6 3.04695e+01 6.35894e-01 85 2001 7 2.85165e+01 1.57111e+00 223 2001 8 2.96527e+01 1.56660e+00 477 2001 9 2.86092e+01 1.73553e+00 262 2001 10 2.72153e+01 6.44230e-01 293 2001 11 2.34490e+01 3.84738e-01 706 2001 12 2.33123e+01 1.65495e+00 524 2002 1 2.19270e+01 2.06961e+00 498 2002 2 2.40596e+01 9.48854e-01 66 2002 3 2.38590e+01 1.81903e+00 310 2002 4 2.67471e+01 7.13221e-01 651 2002 5 2.74038e+01 1.13919e+00 657 2002 6 2.84051e+01 1.30389e+00 135 2002 7 2.99556e+01 1.03242e+00 1848 2002 8 2.98823e+01 1.03922e+00 1552 2002 9 2.92264e+01 8.11637e-01 1541 2002 10 2.82747e+01 9.95201e-01 3104 2002 11 2.47738e+01 2.79914e+00 1978 2002 12 2.06873e+01 1.02007e+00 1641 2003 1 1.74741e+01 1.23703e+00 1667 2003 2 2.05385e+01 1.96388e+00 2566 2003 3 2.64653e+01 7.54235e-01 2126 2003 4 2.44613e+01 1.58443e+00 2211 2003 5 2.84717e+01 1.23530e+00 2653 2003 6 2.92460e+01 1.40324e+00 1173 2003 7 2.96877e+01 1.04319e+00 1852 2003 8 2.99678e+01 1.47882e+00 1408 2003 9 3.00989e+01 6.50321e-01 1325 2003 10 2.78730e+01 1.25726e+00 2919 2003 11 2.45774e+01 1.27193e+00 2302 2003 12 1.94894e+01 1.21252e+00 1607 2004 1 1.96503e+01 9.34590e-01 2651 2004 2 2.07093e+01 1.20383e+00 1977 2004 3 2.26900e+01 9.02049e-01 2792 2004 4 2.35630e+01 1.33949e+00 2309 2004 5 2.70594e+01 1.59338e+00 2201 2004 6 3.02528e+01 7.48714e-01 1662 2004 7 3.01205e+01 1.15443e+00 1943 2004 8 3.10482e+01 8.19455e-01 1351 2004 9 2.88421e+01 1.33662e+00 2028 2004 10 2.73489e+01 1.20834e+00 2863 2004 11 2.40721e+01 1.18683e+00 2926 2004 12 2.16253e+01 2.35822e+00 1897 2005 1 1.96139e+01 1.54549e+00 2650 2005 2 1.99112e+01 8.93434e-01 2255 2005 3 2.23650e+01 2.20064e+00 2060 2005 4 2.40038e+01 8.81353e-01 2762 2005 5 2.64877e+01 1.60876e+00 2626 2005 6 2.89168e+01 1.04375e+00 1475 2005 7 2.97467e+01 1.70270e+00 2013 2005 8 3.06321e+01 1.52529e+00 1890 2005 9 2.99030e+01 1.29763e+00 1950 2005 10 2.73645e+01 1.97029e+00 1381 2005 11 2.39137e+01 1.32766e+00 2175 2005 12 2.14433e+01 1.30285e+00 2109 2006 1 2.01876e+01 1.38703e+00 2159 2006 2 2.03992e+01 1.73618e+00 2293 2006 3 2.28879e+01 1.47118e+00 2744 2006 4 2.50299e+01 1.66981e+00 2933 2006 5 2.76159e+01 1.53056e+00 2557 2006 6 2.99811e+01 9.34488e-01 2048 2006 7 2.92856e+01 1.19214e+00 1226 2006 8 3.00608e+01 1.01584e+00 1696 2006 9 3.00527e+01 8.45935e-01 2266 2006 10 2.74254e+01 1.70931e+00 2812 2006 11 2.22964e+01 2.15102e+00 1704 2006 12 2.24610e+01 8.03760e-01 1792 2007 1 2.27122e+01 1.26145e+00 2377 2007 2 2.00700e+01 1.12709e+00 1794 2007 3 2.26112e+01 8.79101e-01 2734 2007 4 2.42834e+01 1.05047e+00 2627 2007 5 2.65926e+01 1.02110e+00 2619 2007 6 2.86032e+01 1.71222e+00 1983 2007 7 3.10483e+01 8.45073e-01 2194 2007 8 3.05477e+01 8.43393e-01 2389 2007 9 2.98844e+01 1.33196e+00 1951 2007 10 2.80038e+01 9.77280e-01 1563 2007 11 2.34170e+01 1.31456e+00 2677 2007 12 2.31750e+01 1.34818e+00 2654 2008 1 2.03109e+01 1.57456e+00 2042 2008 2 2.30115e+01 1.38060e+00 2259 2008 3 2.26376e+01 1.29186e+00 2177 2008 4 2.50913e+01 1.02657e+00 3144 2008 5 2.76699e+01 1.58910e+00 3278 2008 6 2.89991e+01 1.04851e+00 2094 2008 7 2.95171e+01 1.53264e+00 1475 2008 8 3.02924e+01 1.21139e+00 1875 2008 9 2.87659e+01 8.47483e-01 1533 2008 10 2.71653e+01 1.74522e+00 1867 2008 11 2.15180e+01 1.67004e+00 2876 2008 12 2.11027e+01 1.08915e+00 2911 2009 1 2.03585e+01 2.14856e+00 2511 2009 2 1.93293e+01 1.39680e+00 2655 2009 3 2.15643e+01 1.71394e+00 2451 2009 4 2.50970e+01 7.81819e-01 2969 2009 5 2.74958e+01 1.59432e+00 2780 2009 6 2.99055e+01 1.89969e+00 1628 2009 7 3.04408e+01 9.32732e-01 2194 2009 8 3.01365e+01 7.72278e-01 1957 2009 9 2.99459e+01 1.07264e+00 1635 2009 10 2.83282e+01 2.28376e+00 2547 2009 11 2.42832e+01 2.14557e+00 1599 2009 12 2.25797e+01 2.01391e+00 1994 2010 1 1.71398e+01 1.86807e+00 1126 2010 2 1.85114e+01 1.36078e+00 1081 2010 3 1.91130e+01 1.76980e+00 1821 2010 4 2.38129e+01 1.63069e+00 2231 2010 5 2.80369e+01 1.27215e+00 2961 2010 6 3.09053e+01 1.11024e+00 2203 2010 7 2.97402e+01 1.24724e+00 1603 2010 8 3.10903e+01 9.75648e-01 1463 2010 9 2.94381e+01 1.10144e+00 1763 2010 10 2.65868e+01 1.11551e+00 2707 2010 11 2.34096e+01 1.79322e+00 2265 2010 12 1.77518e+01 2.81839e+00 1958 2011 1 1.80566e+01 9.68844e-01 1985 2011 2 2.08862e+01 1.48117e+00 2645 2011 3 2.30072e+01 1.41003e+00 3264 2011 4 2.67696e+01 9.46754e-01 3559 2011 5 2.83817e+01 8.22283e-01 2812 2011 6 2.90715e+01 1.43196e+00 2278 2011 7 3.05894e+01 1.34614e+00 2046 2011 8 3.04354e+01 1.10975e+00 1763 2011 9 3.03586e+01 1.12113e+00 2301 2011 10 2.63735e+01 2.02809e+00 1300 2011 11 2.38842e+01 8.58545e-01 3185 2011 12 2.24072e+01 7.25271e-01 3226 2012 1 2.00588e+01 1.40014e+00 2540 2012 2 2.23285e+01 1.56786e+00 2118 2012 3 2.39510e+01 1.01571e+00 3024 2012 4 2.54632e+01 1.14009e+00 2270 2012 5 2.73620e+01 1.62192e+00 1854 2012 6 2.92587e+01 1.19751e+00 1468 2012 7 2.95196e+01 1.26112e+00 1790 2012 8 3.01180e+01 1.48353e+00 1977 2012 9 2.98334e+01 1.01376e+00 1540 2012 10 2.77612e+01 1.65502e+00 1781 2012 11 2.19486e+01 1.37837e+00 2587 2012 12 2.22057e+01 1.43101e+00 2576 2013 1 2.19612e+01 1.04951e+00 2350 2013 2 2.15167e+01 1.20211e+00 2374 2013 3 2.09096e+01 1.26794e+00 2304 2013 4 2.56277e+01 2.07607e+00 2909 2013 5 2.70900e+01 1.27274e+00 2596 2013 6 2.91693e+01 1.18239e+00 1307 2013 7 2.93538e+01 1.19655e+00 1876 2013 8 2.96744e+01 1.06769e+00 1057 2013 9 2.91554e+01 1.06737e+00 1445 2013 10 2.80512e+01 1.27389e+00 2627 2013 11 2.50617e+01 1.09271e+00 2086 2013 12 2.35362e+01 7.54508e-01 2638 2014 1 2.01362e+01 1.97178e+00 2141 2014 2 2.33443e+01 1.30585e+00 2695 2014 3 2.40694e+01 9.63579e-01 2933 2014 4 2.55717e+01 1.41596e+00 2616 2014 5 2.66209e+01 1.29815e+00 2581 2014 6 2.96646e+01 1.61885e+00 2154 2014 7 3.09082e+01 1.07652e+00 2318 2014 8 3.14986e+01 1.29447e+00 2601 2014 9 2.97194e+01 9.48066e-01 1404 2014 10 2.78256e+01 1.83758e+00 2877 2014 11 2.29948e+01 1.43306e+00 2597 2014 12 2.08952e+01 1.28048e+00 2294 2015 1 2.21838e+01 1.56294e+00 1932 2015 2 1.96834e+01 7.15448e-01 2030 2015 3 2.49253e+01 1.60993e+00 3161 2015 4 2.68434e+01 1.82363e+00 2808 2015 5 2.77443e+01 1.31664e+00 3112 2015 6 2.99247e+01 1.21389e+00 1618 2015 7 3.05447e+01 9.02235e-01 2138 2015 8 3.13500e+01 7.45719e-01 1864 2015 9 3.02248e+01 1.68451e+00 1375 2015 10 2.77809e+01 1.42369e+00 2015 2015 11 2.62512e+01 2.04389e+00 2794 2015 12 2.44809e+01 8.17769e-01 2258 2016 1 2.12597e+01 2.89985e+00 1005 2016 2 1.97964e+01 1.35883e+00 1627 2016 3 2.37231e+01 1.94270e+00 1467 2016 4 2.56882e+01 1.02097e+00 2880 2016 5 2.78244e+01 1.79453e+00 2410 2016 6 2.99277e+01 9.77500e-01 1984 2016 7 3.08915e+01 1.01044e+00 1957 2016 8 3.04691e+01 1.15023e+00 1533 2016 9 3.04674e+01 1.06394e+00 1919 2016 10 2.75884e+01 1.61563e+00 2115 2016 11 2.37258e+01 1.39725e+00 3200 2016 12 2.42935e+01 8.84884e-01 2647 2017 1 2.17500e+01 1.30017e+00 2775 2017 2 2.25910e+01 1.19292e+00 2894 2017 3 2.27853e+01 1.31054e+00 3192 2017 4 2.49377e+01 1.15455e+00 1956 2017 5 2.75953e+01 1.20406e+00 2645 2017 6 2.96179e+01 1.17303e+00 1370 2017 7 3.05987e+01 8.37331e-01 1617 2017 8 3.09467e+01 1.13713e+00 2036 2017 9 2.99418e+01 1.06535e+00 1855 2017 10 2.75325e+01 1.90492e+00 1818 2017 11 2.45943e+01 8.34432e-01 3180 2017 12 2.26589e+01 1.49146e+00 3053 2018 1 1.92048e+01 1.37085e+00 1157 2018 2 2.33163e+01 1.77126e+00 2992 2018 3 2.25907e+01 1.56480e+00 3182 2018 4 2.61466e+01 1.22181e+00 2863 2018 5 2.66397e+01 9.87537e-01 951 2018 6 2.95970e+01 1.71087e+00 1550 2018 7 3.12697e+01 1.26676e+00 985 2018 8 3.00792e+01 1.01251e+00 2229 2018 9 2.98680e+01 1.05225e+00 1899 2018 10 2.81265e+01 1.15234e+00 2741 2018 11 2.63060e+01 9.27387e-01 1939 2018 12 2.15107e+01 1.02707e+00 2429 2019 1 2.10688e+01 1.44038e+00 2702 2019 2 2.32752e+01 2.09106e+00 2903 2019 3 2.48939e+01 1.46111e+00 2869 2019 4 2.61055e+01 9.25571e-01 2756 2019 5 2.85209e+01 1.05526e+00 3393 2019 6 3.06497e+01 1.42570e+00 2422 2019 7 3.07197e+01 1.06906e+00 2049 2019 8 3.07557e+01 1.16270e+00 1641 2019 9 2.89367e+01 1.53460e+00 2473 2019 10 2.81563e+01 9.02602e-01 2274 2019 11 2.51574e+01 2.29421e+00 2479 2019 12 2.28721e+01 1.10978e+00 2408 2020 1 2.19498e+01 1.63455e+00 2713 2020 2 2.26725e+01 1.66156e+00 2253 2020 3 2.41004e+01 2.00394e+00 3470 2020 4 2.77306e+01 1.07689e+00 2821 2020 5 2.72517e+01 1.36058e+00 1891 2020 6 3.02705e+01 7.61029e-01 2096 2020 7 3.05660e+01 1.27433e+00 1541 2020 8 3.11386e+01 1.28633e+00 2421 2020 9 2.99744e+01 1.15901e+00 2092 2020 10 2.85684e+01 1.20239e+00 1652 2020 11 2.50895e+01 1.26655e+00 2001 2020 12 2.10822e+01 1.14222e+00 2901 2021 1 2.09220e+01 9.12858e-01 2566 2021 2 2.25509e+01 2.16659e+00 2637 2021 3 2.36697e+01 1.35326e+00 3043 2021 4 2.53447e+01 1.70198e+00 3047 2021 5 2.76961e+01 1.49318e+00 2818 2021 6 2.89268e+01 1.35808e+00 1199 2021 7 3.00259e+01 1.41072e+00 2267 2021 8 3.07016e+01 1.15104e+00 1637 2021 9 3.03063e+01 1.04105e+00 2551 2021 10 2.84716e+01 1.07724e+00 2258 2021 11 2.32352e+01 1.32629e+00 2182 2021 12 2.33875e+01 1.03071e+00 3064 2022 1 2.21135e+01 1.85914e+00 1855 2022 2 2.13791e+01 2.24161e+00 2717 2022 3 2.47736e+01 1.08071e+00 3195 2022 4 2.59436e+01 8.46821e-01 1711 2022 5 2.85378e+01 1.08782e+00 2432 2022 6 2.95774e+01 1.33313e+00 2111 2022 7 3.01942e+01 9.05926e-01 2094 2022 8 3.04203e+01 8.86272e-01 1944 2022 9 3.09884e+01 9.54857e-01 2251 2022 10 2.66059e+01 1.34759e+00 2228 2022 11 2.61242e+01 9.84234e-01 3266 2022 12 2.40492e+01 1.97790e+00 2792 2023 1 2.09769e+01 1.16428e+00 3416 2023 2 2.39396e+01 1.04832e+00 3293 2023 3 2.53036e+01 1.40703e+00 3209 2023 4 2.72826e+01 1.04239e+00 2593 2023 5 2.87394e+01 1.19556e+00 2870 2023 6 3.06649e+01 9.55811e-01 2143 2023 7 3.18903e+01 1.21026e+00 2099 2023 8 3.14897e+01 1.22133e+00 2187 2023 9 3.08202e+01 1.07449e+00 2179 2023 10 2.77788e+01 1.88030e+00 3195 2023 11 2.53128e+01 8.01039e-01 2241 2023 12 2.16899e+01 1.83515e+00 1548 2024 1 2.14368e+01 1.19630e+00 1706 2024 2 2.07579e+01 8.65470e-01 2595 2024 3 2.50147e+01 9.30531e-01 2103 2024 4 2.45073e+01 8.20518e-01 235