YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 6.08716e+01 1.41482e-01 64 2002 8 5.79051e+01 7.96449e-01 48 2002 9 5.33142e+01 1.87078e+00 112 2002 10 4.44598e+01 2.64115e+00 209 2002 11 3.74740e+01 1.66384e+00 102 2002 12 3.31691e+01 3.35505e-01 147 2003 1 3.56083e+01 1.32842e+00 180 2003 2 4.15675e+01 1.74396e+00 84 2003 3 5.20881e+01 2.24430e+00 80 2003 4 5.77819e+01 9.47173e-01 128 2003 5 6.19027e+01 4.84116e-01 64 2003 6 6.30135e+01 6.12804e-02 25 2003 7 6.07168e+01 3.12779e-02 18 2003 8 5.78855e+01 3.51907e-01 49 2003 9 5.25308e+01 1.35502e+00 48 2003 10 4.45646e+01 2.10592e+00 213 2003 11 3.60115e+01 9.76298e-01 167 2003 12 3.32202e+01 2.63719e-01 129 2004 1 3.59649e+01 1.31407e+00 134 2004 2 4.29869e+01 2.63456e+00 149 2004 3 5.11052e+01 2.66610e+00 95 2004 4 5.77262e+01 1.39386e+00 138 2004 5 6.24057e+01 6.43280e-01 110 2004 6 6.31092e+01 7.77131e-02 116 2004 7 6.11158e+01 9.19338e-01 112 2004 8 5.78749e+01 1.12486e+00 50 2004 9 5.17345e+01 1.71642e+00 95 2004 10 4.35420e+01 2.11068e+00 160 2004 11 3.78852e+01 1.62679e+00 135 2004 12 3.28832e+01 7.69829e-01 128 2005 1 3.60665e+01 1.55303e+00 169 2005 2 4.28997e+01 1.44469e+00 104 2005 3 5.08218e+01 2.52603e+00 96 2005 4 5.74988e+01 1.34597e+00 96 2005 5 6.22578e+01 8.57640e-01 118 2005 6 nan nan 0 2005 7 6.11604e+01 3.10719e-01 67 2005 8 5.84065e+01 1.21635e+00 69 2005 9 5.32437e+01 1.53868e+00 155 2005 10 4.63282e+01 1.88964e+00 89 2005 11 3.69963e+01 2.03444e+00 144 2005 12 3.33009e+01 4.04180e-01 217 2006 1 3.55535e+01 1.99312e+00 164 2006 2 4.34172e+01 1.86517e+00 206 2006 3 5.18882e+01 2.31253e+00 150 2006 4 5.73378e+01 1.50262e+00 94 2006 5 6.20243e+01 6.57748e-01 112 2006 6 6.31227e+01 2.33960e-01 64 2006 7 6.10835e+01 9.96926e-01 64 2006 8 5.83108e+01 1.22731e+00 80 2006 9 5.25875e+01 1.49869e+00 96 2006 10 4.34749e+01 1.79600e+00 144 2006 11 3.60194e+01 1.21030e+00 96 2006 12 3.32837e+01 3.99061e-01 78 2007 1 3.63417e+01 1.52035e+00 163 2007 2 4.41827e+01 1.53012e+00 84 2007 3 5.07865e+01 1.86356e+00 96 2007 4 5.75332e+01 1.43850e+00 144 2007 5 6.18798e+01 8.29822e-01 96 2007 6 6.32216e+01 5.14149e-02 96 2007 7 6.09815e+01 2.83177e-01 96 2007 8 5.91785e+01 1.13756e+00 70 2007 9 5.21734e+01 1.49413e+00 65 2007 10 4.66157e+01 1.59170e+00 85 2007 11 3.72756e+01 1.75188e+00 220 2007 12 3.32112e+01 4.84357e-01 208 2008 1 3.63921e+01 2.00738e+00 77 2008 2 4.23606e+01 2.57555e+00 144 2008 3 5.18943e+01 2.89146e+00 98 2008 4 5.81417e+01 1.63213e+00 85 2008 5 6.13901e+01 1.43979e-01 37 2008 6 6.31596e+01 7.81488e-02 73 2008 7 6.01918e+01 4.94723e-01 55 2008 8 5.90075e+01 8.43272e-01 112 2008 9 5.32508e+01 2.02071e+00 93 2008 10 4.53616e+01 2.61764e+00 121 2008 11 3.66019e+01 1.93464e+00 208 2008 12 3.31586e+01 2.80422e-01 160 2009 1 3.62584e+01 1.89011e+00 224 2009 2 4.30613e+01 2.14085e+00 188 2009 3 5.01331e+01 2.04740e+00 126 2009 4 5.80723e+01 1.12820e+00 32 2009 5 6.17659e+01 3.71940e-01 113 2009 6 6.30502e+01 1.96610e-01 47 2009 7 6.09341e+01 1.11532e-01 32 2009 8 5.89955e+01 1.40311e+00 61 2009 9 5.28322e+01 6.18756e-01 58 2009 10 4.53904e+01 2.85618e+00 195 2009 11 3.66328e+01 1.81393e+00 192 2009 12 3.31475e+01 2.35602e-01 97 2010 1 3.59579e+01 1.87666e+00 146 2010 2 4.44974e+01 1.86077e+00 102 2010 3 5.17089e+01 2.55776e+00 144 2010 4 5.75035e+01 2.00467e+00 79 2010 5 6.21792e+01 5.31790e-01 80 2010 6 6.30445e+01 1.91019e-01 130 2010 7 6.03113e+01 5.04517e-01 73 2010 8 5.82938e+01 1.25343e+00 94 2010 9 5.48450e+01 9.48680e-01 64 2010 10 4.59786e+01 2.65342e+00 205 2010 11 3.70008e+01 1.58261e+00 183 2010 12 3.31708e+01 6.12826e-01 264 2011 1 3.55882e+01 1.84208e+00 172 2011 2 4.29343e+01 2.25397e+00 183 2011 3 5.13809e+01 2.17328e+00 266 2011 4 5.78306e+01 1.26490e+00 114 2011 5 6.22864e+01 3.95193e-01 116 2011 6 6.31973e+01 8.61171e-02 95 2011 7 6.06003e+01 4.68088e-01 117 2011 8 nan nan 0 2011 9 5.20916e+01 1.56224e+00 84 2011 10 4.66876e+01 1.92264e+00 108 2011 11 3.74096e+01 1.91957e+00 181 2011 12 3.33821e+01 5.10233e-01 192 2012 1 3.55779e+01 1.32306e+00 159 2012 2 4.45207e+01 1.81817e+00 168 2012 3 5.25092e+01 2.20546e+00 95 2012 4 5.69860e+01 1.36950e+00 105 2012 5 6.19475e+01 6.68619e-01 96 2012 6 6.31870e+01 9.36477e-02 64 2012 7 6.07449e+01 1.04368e+00 96 2012 8 5.81592e+01 1.12542e+00 80 2012 9 5.40852e+01 2.10976e+00 109 2012 10 4.40471e+01 2.40990e+00 176 2012 11 3.73937e+01 1.80450e+00 234 2012 12 3.33449e+01 4.12644e-01 106 2013 1 3.61310e+01 1.83920e+00 146 2013 2 4.28362e+01 2.47324e+00 154 2013 3 5.12994e+01 2.20972e+00 113 2013 4 5.76376e+01 1.31027e+00 67 2013 5 6.20837e+01 4.07273e-01 80 2013 6 6.31766e+01 8.37392e-02 7 2013 7 6.04852e+01 6.25227e-01 96 2013 8 5.83473e+01 9.64153e-01 54 2013 9 5.28793e+01 1.88728e+00 66 2013 10 4.41642e+01 2.06229e+00 227 2013 11 3.67154e+01 1.90053e+00 71 2013 12 3.31465e+01 3.38919e-01 112 2014 1 3.69995e+01 1.04972e+00 147 2014 2 4.24565e+01 1.63990e+00 172 2014 3 5.04955e+01 2.26030e+00 224 2014 4 5.80231e+01 1.79977e+00 114 2014 5 6.16286e+01 5.71113e-01 64 2014 6 6.31061e+01 8.65686e-02 107 2014 7 6.04368e+01 5.22877e-01 58 2014 8 5.84807e+01 1.00834e+00 96 2014 9 5.19410e+01 2.24787e+00 46 2014 10 4.43760e+01 2.66577e+00 190 2014 11 3.71139e+01 2.06286e+00 176 2014 12 3.31323e+01 2.36348e-01 146 2015 1 3.63413e+01 1.70098e+00 156 2015 2 4.35282e+01 1.81927e+00 207 2015 3 5.12399e+01 2.26754e+00 225 2015 4 5.72516e+01 1.15919e+00 70 2015 5 6.15959e+01 7.62480e-01 98 2015 6 6.30769e+01 9.24878e-02 80 2015 7 6.10637e+01 6.54519e-01 89 2015 8 5.88736e+01 1.00663e+00 48 2015 9 5.52016e+01 9.00568e-01 54 2015 10 4.28185e+01 2.63507e+00 64 2015 11 3.78153e+01 1.74454e+00 146 2015 12 3.28793e+01 1.68950e-01 65 2016 1 3.59622e+01 1.77332e+00 48 2016 2 4.38275e+01 2.56785e+00 172 2016 3 5.03622e+01 2.50208e+00 76 2016 4 5.73711e+01 1.11868e+00 73 2016 5 6.22637e+01 4.61821e-01 96 2016 6 6.29861e+01 6.91387e-02 94 2016 7 6.09930e+01 5.81056e-01 80 2016 8 5.81277e+01 9.03393e-01 96 2016 9 5.28057e+01 1.44483e+00 128 2016 10 4.53252e+01 1.86207e+00 112 2016 11 3.65047e+01 1.40814e+00 198 2016 12 3.30078e+01 1.84135e-01 130 2017 1 3.67963e+01 1.87242e+00 184 2017 2 4.22240e+01 1.89356e+00 143 2017 3 5.13699e+01 2.19082e+00 215 2017 4 5.89417e+01 1.26557e+00 62 2017 5 6.20149e+01 8.01333e-01 128 2017 6 6.31692e+01 2.99548e-02 48 2017 7 6.11488e+01 8.41492e-01 103 2017 8 5.85176e+01 1.13344e+00 104 2017 9 5.28540e+01 7.54124e-01 89 2017 10 4.37720e+01 2.17258e+00 113 2017 11 3.69494e+01 2.06198e+00 225 2017 12 3.30884e+01 3.44184e-01 318 2018 1 3.60297e+01 1.79414e+00 144 2018 2 4.40094e+01 2.29793e+00 225 2018 3 5.14746e+01 2.33790e+00 179 2018 4 5.82948e+01 1.42304e+00 114 2018 5 6.14291e+01 2.07925e-01 35 2018 6 6.29654e+01 1.82514e-02 32 2018 7 6.17098e+01 9.78516e-01 79 2018 8 5.85755e+01 9.41613e-01 128 2018 9 5.27848e+01 1.87290e+00 104 2018 10 4.39894e+01 2.10597e+00 186 2018 11 3.72577e+01 1.42398e+00 96 2018 12 3.32321e+01 4.62763e-01 160 2019 1 3.52676e+01 9.56965e-01 178 2019 2 4.22509e+01 2.61445e+00 173 2019 3 5.22712e+01 2.60880e+00 155 2019 4 5.84725e+01 1.40558e+00 112 2019 5 6.23123e+01 6.37593e-01 126 2019 6 6.30753e+01 7.20427e-02 48 2019 7 6.02590e+01 3.00849e-01 80 2019 8 5.87472e+01 3.89586e-01 64 2019 9 5.26900e+01 9.47180e-01 98 2019 10 4.44606e+01 2.70213e+00 208 2019 11 3.73498e+01 1.88021e+00 240 2019 12 3.34055e+01 4.74227e-01 138 2020 1 3.58585e+01 1.75653e+00 207 2020 2 4.27363e+01 2.45327e+00 126 2020 3 5.17715e+01 1.84017e+00 136 2020 4 5.74307e+01 1.82404e+00 108 2020 5 6.20814e+01 8.06248e-01 65 2020 6 6.30202e+01 9.30547e-03 32 2020 7 6.14985e+01 1.15553e+00 96 2020 8 5.80504e+01 1.24941e+00 128 2020 9 5.23442e+01 1.89775e+00 93 2020 10 4.42645e+01 2.51781e+00 148 2020 11 3.54470e+01 1.01100e+00 64 2020 12 3.27540e+01 5.89651e-01 173 2021 1 3.59679e+01 1.58353e+00 202 2021 2 4.37066e+01 2.76703e+00 96 2021 3 5.15640e+01 3.04229e+00 160 2021 4 5.77650e+01 1.33735e+00 96 2021 5 6.20220e+01 9.44437e-01 111 2021 6 6.31690e+01 1.33045e-02 16 2021 7 6.08025e+01 9.06443e-01 120 2021 8 5.80274e+01 1.37028e+00 106 2021 9 5.05985e+01 6.49388e-01 36 2021 10 4.59277e+01 1.96195e+00 118 2021 11 3.55977e+01 1.70237e+00 152 2021 12 3.32503e+01 4.14735e-01 245 2022 1 3.61561e+01 1.17253e+00 95 2022 2 4.30256e+01 2.63615e+00 205 2022 3 5.06778e+01 1.96947e+00 58 2022 4 nan nan 0 2022 5 6.17118e+01 8.01003e-01 122 2022 6 6.30013e+01 9.98402e-02 64 2022 7 6.16240e+01 9.00086e-01 118 2022 8 5.81380e+01 1.22713e+00 120 2022 9 5.31959e+01 1.86890e+00 131 2022 10 4.47519e+01 3.04949e+00 176 2022 11 3.68336e+01 2.06682e+00 210 2022 12 3.30515e+01 4.80667e-01 170 2023 1 3.53556e+01 1.32852e+00 244 2023 2 4.41629e+01 2.57310e+00 193 2023 3 4.96809e+01 2.14977e+00 142 2023 4 5.80285e+01 1.37420e+00 64 2023 5 6.11558e+01 5.60281e-01 75 2023 6 6.31006e+01 5.19121e-02 79 2023 7 6.12442e+01 4.93347e-03 32 2023 8 5.73383e+01 7.33290e-01 64 2023 9 5.46212e+01 1.22877e+00 50 2023 10 4.48905e+01 2.56219e+00 115 2023 11 3.70819e+01 1.89721e+00 112 2023 12 3.30021e+01 5.51085e-01 72 2024 1 3.75050e+01 3.97462e-01 32 2024 2 4.36347e+01 2.59382e+00 125 2024 3 5.20616e+01 2.03783e+00 127 2024 4 nan nan 0