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 4.09980e+00 3.08266e-01 22 2002 8 3.01499e+00 3.30613e-01 44 2002 9 3.74899e-01 2.00089e+00 46 2002 10 1.61993e+00 5.40985e-01 60 2002 11 5.90796e-01 6.63646e-01 101 2002 12 1.48157e+00 9.97181e-01 133 2003 1 1.03229e+00 7.74664e-01 176 2003 2 2.71705e+00 5.16578e-01 154 2003 3 -1.67915e-01 3.82378e-01 64 2003 4 7.17750e-01 4.20122e-01 64 2003 5 nan nan 0 2003 6 1.42583e+00 8.69915e-01 16 2003 7 -4.63079e-01 7.18359e-01 14 2003 8 -2.20435e-01 7.99389e-01 37 2003 9 1.52161e+00 6.42370e-01 64 2003 10 2.46462e+00 5.69691e-01 160 2003 11 2.65582e+00 5.16440e-01 215 2003 12 2.33840e+00 4.26422e-01 162 2004 1 2.37422e+00 4.48700e-01 88 2004 2 1.47754e+00 6.30419e-01 64 2004 3 2.34807e+00 9.58017e-01 160 2004 4 3.00851e+00 7.40677e-01 46 2004 5 3.19473e+00 4.76721e-01 57 2004 6 2.73932e+00 1.77513e-01 16 2004 7 6.29632e-01 5.01042e-01 19 2004 8 2.45650e+00 3.16493e-01 32 2004 9 8.12502e-01 1.44738e+00 97 2004 10 1.38016e+00 6.32680e-01 80 2004 11 4.95095e-01 1.01839e+00 129 2004 12 3.56196e-01 4.88491e-01 126 2005 1 1.28845e+00 4.72991e-01 115 2005 2 2.12280e+00 9.86193e-01 94 2005 3 2.38804e+00 8.03909e-01 134 2005 4 -1.33595e+00 1.25497e-01 32 2005 5 9.48713e-02 5.15189e-01 34 2005 6 1.63975e+00 6.04012e-01 48 2005 7 5.30233e-01 7.96126e-01 41 2005 8 nan nan 0 2005 9 1.85637e+00 7.13745e-01 48 2005 10 2.53865e+00 7.16813e-01 202 2005 11 2.66815e+00 5.30848e-01 133 2005 12 2.25750e+00 5.46139e-01 129 2006 1 1.97688e+00 5.60962e-01 114 2006 2 2.16265e+00 5.17300e-01 152 2006 3 2.39339e+00 6.44752e-01 198 2006 4 3.24152e+00 4.10344e-01 54 2006 5 2.97543e+00 3.67478e-01 58 2006 6 3.37336e+00 8.62359e-01 40 2006 7 3.62371e+00 1.85688e-01 23 2006 8 2.98576e+00 4.17453e-01 28 2006 9 2.66061e+00 2.96537e-01 117 2006 10 2.53886e+00 5.88331e-01 160 2006 11 2.24406e+00 7.01194e-01 212 2006 12 2.72550e+00 5.32104e-01 143 2007 1 1.92658e+00 3.67010e-01 80 2007 2 2.63167e+00 3.72984e-01 106 2007 3 3.06122e+00 6.59838e-01 131 2007 4 1.75170e+00 1.35042e+00 63 2007 5 2.85299e+00 2.02698e-01 16 2007 6 3.70185e+00 3.59334e-01 4 2007 7 3.09076e+00 1.53954e-01 32 2007 8 2.25807e+00 1.47766e-01 16 2007 9 3.83879e+00 7.91960e-01 66 2007 10 2.07094e+00 2.06850e+00 111 2007 11 1.95552e+00 7.78227e-01 141 2007 12 1.84053e+00 6.62128e-01 93 2008 1 8.34386e-01 4.65622e-01 81 2008 2 2.71535e-01 5.76787e-01 108 2008 3 8.14384e-01 5.93221e-01 125 2008 4 1.00911e+00 2.36790e-01 32 2008 5 2.52981e+00 5.92150e-01 22 2008 6 3.32353e+00 5.16226e-01 51 2008 7 3.38612e+00 3.29862e-01 30 2008 8 3.12772e+00 9.35823e-01 71 2008 9 1.05357e+00 1.92376e+00 80 2008 10 2.91073e+00 7.23522e-01 171 2008 11 2.77829e+00 6.11118e-01 247 2008 12 1.46460e+00 8.52949e-01 84 2009 1 1.37727e+00 9.37231e-01 114 2009 2 2.10901e+00 4.46054e-01 128 2009 3 2.16053e+00 9.30330e-01 40 2009 4 -5.72609e-01 1.06934e+00 31 2009 5 1.32134e+00 2.12027e-01 16 2009 6 5.28349e-01 8.34808e-02 16 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 -7.31260e-01 5.76831e-01 33 2009 10 9.73690e-01 3.66663e-01 93 2009 11 4.12807e-01 1.42242e+00 116 2009 12 5.29920e-01 7.43509e-01 48 2010 1 -5.63095e-02 9.15551e-01 124 2010 2 -4.46915e-01 5.02934e-01 97 2010 3 6.80153e-01 4.72159e-01 96 2010 4 2.18021e+00 3.15333e-01 64 2010 5 1.91142e+00 5.95228e-01 72 2010 6 1.83267e+00 4.58209e-01 61 2010 7 2.57707e+00 4.28816e-01 25 2010 8 nan nan 0 2010 9 2.70256e+00 6.02776e-01 120 2010 10 3.19351e+00 4.02804e-01 237 2010 11 2.72323e+00 3.79903e-01 121 2010 12 2.38860e+00 4.54310e-01 208 2011 1 2.41062e+00 4.25914e-01 201 2011 2 1.80193e+00 4.71802e-01 157 2011 3 1.50107e+00 1.07389e+00 123 2011 4 2.03936e+00 2.63271e-01 59 2011 5 3.38043e+00 4.08519e-01 69 2011 6 3.44562e+00 2.76764e-01 48 2011 7 2.47238e+00 7.68430e-01 58 2011 8 2.21558e+00 3.82206e-01 77 2011 9 2.04236e+00 5.90735e-01 49 2011 10 3.15385e+00 6.32887e-01 204 2011 11 3.08881e+00 3.62255e-01 130 2011 12 3.11072e+00 3.11747e-01 96 2012 1 2.45760e+00 5.40195e-01 163 2012 2 2.01638e+00 7.51155e-01 33 2012 3 1.82195e+00 1.19771e+00 48 2012 4 2.90408e+00 5.05243e-01 57 2012 5 3.94708e+00 2.82839e-01 35 2012 6 2.76564e+00 3.67905e-01 25 2012 7 2.97167e+00 6.59362e-01 25 2012 8 2.53416e+00 7.74046e-01 26 2012 9 1.92238e+00 1.00227e+00 71 2012 10 2.56272e+00 6.09990e-01 150 2012 11 2.99842e+00 4.12972e-01 215 2012 12 2.92256e+00 7.06708e-01 112 2013 1 2.26390e+00 6.16034e-01 82 2013 2 1.55791e+00 1.13393e+00 103 2013 3 5.75544e-01 1.21504e+00 132 2013 4 2.11901e+00 8.18349e-01 47 2013 5 3.44396e+00 1.20095e+00 19 2013 6 2.35320e+00 1.08846e-01 16 2013 7 nan nan 0 2013 8 -4.94965e-01 7.11028e-01 34 2013 9 1.21551e+00 2.49418e+00 84 2013 10 1.93279e+00 1.19946e+00 124 2013 11 2.63925e+00 7.41703e-01 175 2013 12 2.08708e+00 3.78244e-01 96 2014 1 1.33773e+00 4.93561e-01 113 2014 2 1.90562e+00 5.88816e-01 105 2014 3 1.12324e+00 5.79291e-01 96 2014 4 -3.87323e-01 7.72561e-01 47 2014 5 -5.55796e-01 2.81460e-01 10 2014 6 6.44376e-01 4.31879e-01 27 2014 7 8.61190e-01 9.00287e-01 34 2014 8 2.71950e+00 3.00343e-01 7 2014 9 2.77267e+00 4.92610e-01 60 2014 10 3.05435e+00 6.07540e-01 207 2014 11 2.34678e+00 5.77290e-01 208 2014 12 3.00524e+00 3.94462e-01 129 2015 1 2.24901e+00 7.60198e-01 180 2015 2 1.93001e+00 1.35422e+00 160 2015 3 2.63145e+00 4.04695e-01 49 2015 4 -2.10205e-02 8.74667e-01 5 2015 5 2.25807e+00 1.59462e+00 34 2015 6 2.96949e+00 1.89914e-01 16 2015 7 2.86564e+00 2.00788e-01 44 2015 8 3.26309e+00 4.83159e-01 80 2015 9 4.10172e+00 8.46309e-01 88 2015 10 2.41716e+00 7.31787e-01 148 2015 11 3.58519e-01 7.65702e-01 61 2015 12 2.09838e+00 4.81684e-01 62 2016 1 -7.18647e-02 6.74507e-01 80 2016 2 1.60447e-01 6.91596e-01 181 2016 3 6.59834e-01 6.12812e-01 108 2016 4 5.08867e-01 7.11145e-01 44 2016 5 2.13245e+00 4.93925e-01 19 2016 6 3.44989e+00 9.64487e-01 68 2016 7 3.06859e+00 4.10159e-01 56 2016 8 1.33830e+00 9.44567e-01 56 2016 9 3.22108e+00 9.92126e-01 91 2016 10 3.60181e+00 7.99745e-01 230 2016 11 3.01461e+00 7.78741e-01 179 2016 12 2.55037e+00 6.67867e-01 95 2017 1 -5.37034e-02 6.53272e-01 124 2017 2 6.00114e-01 8.59303e-01 165 2017 3 1.68306e+00 7.53705e-01 110 2017 4 2.15784e+00 4.64026e-01 74 2017 5 2.88030e+00 1.18538e+00 81 2017 6 1.75318e+00 3.68152e-01 21 2017 7 3.73973e-01 1.66932e+00 44 2017 8 1.58720e+00 4.49922e-01 20 2017 9 2.40499e+00 1.06257e+00 96 2017 10 1.68784e+00 1.26039e+00 121 2017 11 2.07315e+00 1.04298e+00 142 2017 12 2.75451e+00 4.21466e-01 143 2018 1 2.28987e+00 6.81217e-01 187 2018 2 1.33299e+00 1.38730e+00 45 2018 3 1.54302e+00 1.17078e+00 84 2018 4 2.45518e+00 1.35185e-01 45 2018 5 3.86333e+00 7.32250e-01 46 2018 6 1.16554e+00 1.75747e-01 16 2018 7 2.49114e+00 8.20566e-01 21 2018 8 2.75035e+00 5.39080e-01 45 2018 9 1.62817e+00 1.39872e+00 103 2018 10 2.22986e+00 7.58600e-01 149 2018 11 1.68166e+00 1.05020e+00 69 2018 12 3.64875e-01 7.44137e-01 71 2019 1 -3.29270e-01 1.07635e+00 120 2019 2 1.86662e+00 5.99287e-01 40 2019 3 2.42799e+00 5.50355e-01 61 2019 4 1.80307e+00 6.16415e-01 100 2019 5 1.93177e+00 1.07184e+00 98 2019 6 3.93003e+00 0.00000e+00 1 2019 7 3.66575e+00 1.00388e-01 16 2019 8 3.34391e+00 9.78512e-01 33 2019 9 3.54922e+00 7.85154e-01 129 2019 10 3.27317e+00 4.96557e-01 112 2019 11 2.56214e+00 5.88949e-01 96 2019 12 2.18429e+00 1.04308e+00 80 2020 1 3.88157e-01 1.16831e+00 69 2020 2 6.71719e-01 3.08653e-01 112 2020 3 1.38629e+00 6.47863e-01 80 2020 4 2.38745e+00 5.62512e-01 50 2020 5 2.39933e+00 8.87793e-01 56 2020 6 2.74570e+00 9.62434e-01 44 2020 7 2.93943e+00 2.34282e-01 48 2020 8 3.12514e+00 5.69168e-01 48 2020 9 1.28547e+00 1.53075e+00 22 2020 10 9.91316e-01 7.64107e-01 133 2020 11 2.42244e+00 8.58979e-01 158 2020 12 2.19026e+00 3.83112e-01 160 2021 1 2.12200e+00 6.45816e-01 95 2021 2 1.64730e+00 4.26354e-01 115 2021 3 1.84096e+00 3.43063e-01 93 2021 4 8.39154e-01 7.11332e-01 112 2021 5 1.84499e+00 4.13971e-01 31 2021 6 3.01656e+00 7.43801e-02 6 2021 7 1.35617e-01 5.54697e-01 18 2021 8 2.90454e+00 9.51236e-01 32 2021 9 5.90313e-01 6.83367e-01 30 2021 10 -1.01446e+00 1.07595e+00 41 2021 11 2.22127e+00 6.39184e-01 191 2021 12 2.39162e+00 6.68363e-01 64 2022 1 1.94105e+00 3.93034e-01 163 2022 2 1.82901e+00 9.10887e-01 114 2022 3 1.94142e+00 1.30498e+00 150 2022 4 1.34705e+00 9.06307e-01 30 2022 5 1.45225e+00 2.53624e-01 33 2022 6 3.11129e+00 7.71273e-01 45 2022 7 2.51638e+00 4.42639e-01 66 2022 8 1.75345e+00 9.54316e-01 67 2022 9 2.03781e+00 8.87955e-01 170 2022 10 3.00811e+00 4.73690e-01 233 2022 11 3.26849e+00 6.68024e-01 121 2022 12 2.45359e+00 9.42768e-01 115 2023 1 1.58498e+00 7.94177e-01 182 2023 2 1.67845e+00 1.11175e+00 147 2023 3 2.23050e+00 1.72995e+00 36 2023 4 1.84686e+00 5.55012e-01 32 2023 5 3.44193e+00 3.31088e-01 48 2023 6 2.07353e+00 1.12391e+00 42 2023 7 1.92295e+00 8.02456e-01 80 2023 8 3.05755e+00 5.76595e-01 84 2023 9 4.04622e+00 1.52444e+00 63 2023 10 3.61085e+00 1.11409e+00 157 2023 11 3.17668e+00 4.72974e-01 142 2023 12 2.91391e+00 5.11027e-01 80 2024 1 2.52720e+00 2.83385e-01 65 2024 2 2.07606e+00 4.83756e-01 62 2024 3 1.32212e+00 4.71309e-01 29 2024 4 1.75551e+00 0.00000e+00 1