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 1.09738e+00 1.18623e-01 13 2002 8 1.00096e+00 3.82318e-01 19 2002 9 1.28439e+00 4.89745e-01 55 2002 10 1.26150e+00 4.17605e-01 42 2002 11 2.54371e+00 4.51501e-01 64 2002 12 1.51495e+00 7.46794e-01 72 2003 1 1.86199e+00 7.68363e-01 91 2003 2 9.06214e-01 3.64617e-01 88 2003 3 4.24195e+00 8.58242e-01 35 2003 4 2.82150e+00 1.25053e+00 42 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 3.33902e+00 9.42298e-01 40 2003 9 2.21194e+00 4.85350e-01 48 2003 10 1.15964e+00 5.14430e-01 187 2003 11 1.06261e+00 2.73288e-01 133 2003 12 1.07851e+00 2.40733e-01 137 2004 1 1.11554e+00 3.59188e-01 56 2004 2 2.29846e+00 7.92582e-01 37 2004 3 1.49270e+00 4.97686e-01 79 2004 4 1.82465e+00 7.27477e-01 22 2004 5 1.21187e+00 3.55979e-01 60 2004 6 1.15024e+00 1.36784e-01 18 2004 7 2.36394e+00 3.38804e-01 20 2004 8 1.14431e+00 3.32281e-02 16 2004 9 1.67326e+00 1.06201e+00 43 2004 10 1.61626e+00 4.64243e-01 80 2004 11 2.39376e+00 8.20140e-01 78 2004 12 2.44433e+00 6.78179e-01 80 2005 1 1.82583e+00 5.61838e-01 70 2005 2 1.05503e+00 3.99621e-01 80 2005 3 1.23736e+00 6.67924e-01 132 2005 4 nan nan 0 2005 5 2.34936e+00 1.22196e-01 17 2005 6 2.20076e+00 3.85688e-01 32 2005 7 1.37631e+00 3.27477e-01 33 2005 8 nan nan 0 2005 9 1.99784e+00 2.96643e-01 32 2005 10 1.13325e+00 5.17946e-01 151 2005 11 9.50605e-01 3.81730e-01 111 2005 12 1.24477e+00 2.90855e-01 64 2006 1 1.40855e+00 3.74663e-01 82 2006 2 1.12773e+00 2.96873e-01 94 2006 3 1.05444e+00 4.21262e-01 112 2006 4 7.12221e-01 1.39928e-01 48 2006 5 1.09466e+00 6.32638e-01 56 2006 6 1.26524e+00 1.15272e+00 18 2006 7 5.56927e-01 1.08633e-01 30 2006 8 1.03640e+00 4.42213e-02 3 2006 9 1.09337e+00 1.07908e-01 78 2006 10 9.96850e-01 4.37261e-01 152 2006 11 1.08958e+00 5.12490e-01 128 2006 12 1.01653e+00 4.13354e-01 104 2007 1 1.48863e+00 4.53593e-01 69 2007 2 1.16836e+00 5.36604e-01 81 2007 3 1.06486e+00 3.29073e-01 107 2007 4 1.58527e+00 5.77316e-01 78 2007 5 8.27425e-01 3.46400e-02 16 2007 6 nan nan 0 2007 7 9.08212e-01 8.68715e-02 16 2007 8 8.97726e-01 3.78688e-01 19 2007 9 1.17270e+00 6.10235e-01 27 2007 10 1.40411e+00 8.93632e-01 75 2007 11 1.63512e+00 7.82887e-01 109 2007 12 1.99561e+00 7.95687e-01 28 2008 1 2.29708e+00 7.68904e-01 59 2008 2 2.62999e+00 2.42105e-01 57 2008 3 2.92987e+00 7.45967e-01 102 2008 4 2.36541e+00 6.46445e-01 32 2008 5 1.04522e+00 1.89908e-02 13 2008 6 9.72768e-01 1.61539e-01 37 2008 7 8.39744e-01 2.43691e-02 32 2008 8 1.37610e+00 2.88475e-01 35 2008 9 1.58117e+00 1.00154e+00 61 2008 10 1.03956e+00 4.80114e-01 113 2008 11 9.15301e-01 4.45262e-01 178 2008 12 1.99814e+00 1.30109e+00 65 2009 1 2.04203e+00 5.08256e-01 96 2009 2 1.11830e+00 2.37031e-01 102 2009 3 8.31161e-01 1.93195e-01 41 2009 4 nan nan 0 2009 5 1.77965e+00 4.21472e-02 16 2009 6 3.25940e+00 9.57193e-01 6 2009 7 nan nan 0 2009 8 7.01300e-01 1.77000e-02 2 2009 9 4.11064e+00 1.18971e+00 32 2009 10 2.60380e+00 8.10421e-01 80 2009 11 2.13007e+00 6.56833e-01 103 2009 12 2.37068e+00 9.05662e-02 26 2010 1 2.62804e+00 1.00323e+00 89 2010 2 3.13955e+00 5.06779e-01 69 2010 3 2.16228e+00 6.46607e-01 72 2010 4 1.84572e+00 8.40581e-01 82 2010 5 1.99112e+00 6.61982e-01 45 2010 6 1.54656e+00 2.23859e-01 59 2010 7 1.92042e+00 1.24366e+00 41 2010 8 nan nan 0 2010 9 1.49550e+00 1.06012e+00 102 2010 10 1.12436e+00 6.04702e-01 179 2010 11 1.07336e+00 5.78510e-01 106 2010 12 9.30599e-01 2.00437e-01 171 2011 1 1.02080e+00 3.13439e-01 157 2011 2 1.67543e+00 4.78773e-01 75 2011 3 2.32381e+00 9.28169e-01 80 2011 4 2.34108e+00 1.08420e+00 45 2011 5 9.13067e-01 1.46993e-01 48 2011 6 1.09408e+00 8.10427e-01 39 2011 7 1.19432e+00 1.06085e+00 24 2011 8 1.67549e+00 9.12280e-01 46 2011 9 1.23799e+00 2.98519e-01 27 2011 10 1.10849e+00 5.12226e-01 125 2011 11 6.87627e-01 1.59530e-01 88 2011 12 7.02705e-01 2.60283e-01 82 2012 1 1.31920e+00 6.42927e-01 131 2012 2 7.33581e-01 9.07374e-02 31 2012 3 1.88445e+00 1.04967e+00 28 2012 4 1.27396e+00 7.33060e-01 48 2012 5 6.53225e-01 2.21750e-02 16 2012 6 nan nan 0 2012 7 9.72137e-01 2.51359e-02 16 2012 8 1.72609e+00 4.53778e-02 16 2012 9 1.85802e+00 3.16898e-01 30 2012 10 1.40120e+00 7.42804e-01 134 2012 11 7.42210e-01 1.71689e-01 158 2012 12 7.63055e-01 3.82262e-01 127 2013 1 1.05106e+00 1.26865e-01 64 2013 2 1.98053e+00 1.18137e+00 98 2013 3 2.50128e+00 9.08719e-01 75 2013 4 2.41675e+00 1.22696e+00 37 2013 5 1.06133e+00 2.40350e-02 16 2013 6 nan nan 0 2013 7 nan nan 0 2013 8 3.04908e+00 8.88915e-01 31 2013 9 2.11111e+00 7.90640e-01 50 2013 10 1.31567e+00 4.18689e-01 131 2013 11 1.10733e+00 5.87526e-01 121 2013 12 1.05887e+00 3.95897e-01 75 2014 1 2.00984e+00 2.97559e-01 80 2014 2 9.58100e-01 1.20724e-01 64 2014 3 1.92387e+00 1.44497e-01 78 2014 4 3.93505e+00 1.12619e+00 39 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 1.83718e+00 6.66708e-01 31 2014 8 4.47771e-01 3.79996e-01 7 2014 9 1.17387e+00 7.58798e-01 57 2014 10 1.08975e+00 4.69641e-01 180 2014 11 9.41947e-01 2.45485e-01 156 2014 12 7.69543e-01 2.60136e-01 113 2015 1 1.43591e+00 5.21310e-01 144 2015 2 1.25757e+00 4.28627e-01 134 2015 3 1.15120e+00 1.44239e-01 24 2015 4 3.68554e+00 1.88340e-01 16 2015 5 1.20449e+00 2.70170e-01 28 2015 6 1.24332e+00 2.26196e-02 16 2015 7 9.15931e-01 3.93671e-02 32 2015 8 7.86885e-01 4.34529e-01 54 2015 9 7.30479e-01 1.72174e-01 33 2015 10 1.16101e+00 2.38576e-01 85 2015 11 2.72986e+00 9.29975e-01 41 2015 12 1.56754e+00 3.61295e-01 54 2016 1 2.00913e+00 1.42898e+00 36 2016 2 2.68011e+00 3.10978e-01 95 2016 3 2.13684e+00 4.47256e-01 72 2016 4 3.36605e+00 6.86525e-01 46 2016 5 1.16139e+00 3.36122e-02 16 2016 6 1.04856e+00 1.76268e-01 46 2016 7 1.08020e+00 6.46787e-01 47 2016 8 1.88683e+00 7.62124e-01 44 2016 9 1.11278e+00 5.71678e-01 74 2016 10 9.33844e-01 4.94898e-01 159 2016 11 7.02140e-01 1.75805e-01 133 2016 12 1.18224e+00 1.83444e-01 60 2017 1 3.46444e+00 8.21118e-01 83 2017 2 2.41488e+00 4.36696e-01 95 2017 3 1.62594e+00 6.82897e-01 77 2017 4 1.38615e+00 4.74743e-01 34 2017 5 9.78883e-01 2.25259e-01 48 2017 6 2.07482e+00 8.11335e-02 16 2017 7 1.69499e+00 1.70496e+00 17 2017 8 2.49429e+00 6.53379e-01 35 2017 9 1.52900e+00 8.95902e-01 56 2017 10 2.08746e+00 9.21374e-01 101 2017 11 1.54576e+00 5.61229e-01 103 2017 12 8.94238e-01 6.80014e-01 95 2018 1 9.08897e-01 2.94441e-01 113 2018 2 1.96569e+00 5.27522e-01 21 2018 3 2.02825e+00 3.43774e-01 58 2018 4 1.50204e+00 5.53033e-01 91 2018 5 7.83058e-01 2.94816e-01 24 2018 6 2.99997e+00 1.76054e-01 16 2018 7 1.13657e+00 6.41467e-01 14 2018 8 1.41529e+00 2.38653e-01 32 2018 9 2.07455e+00 5.65178e-01 59 2018 10 1.67182e+00 5.97242e-01 96 2018 11 2.02386e+00 6.12133e-01 51 2018 12 2.14360e+00 2.07185e-01 48 2019 1 3.61393e+00 8.35222e-01 38 2019 2 1.06747e+00 4.27018e-01 32 2019 3 1.38767e+00 6.25298e-01 58 2019 4 1.99122e+00 7.07396e-01 69 2019 5 2.32015e+00 9.65973e-01 96 2019 6 1.69616e+00 9.95723e-01 28 2019 7 1.64890e+00 1.35000e-02 4 2019 8 9.27326e-01 4.35518e-01 27 2019 9 8.62146e-01 7.73271e-02 48 2019 10 9.93269e-01 3.48372e-01 95 2019 11 1.23640e+00 3.89370e-01 93 2019 12 8.55650e-01 2.13238e-01 32 2020 1 2.83935e+00 1.43954e+00 64 2020 2 2.69683e+00 6.51348e-01 111 2020 3 2.51916e+00 6.53564e-01 66 2020 4 1.72768e+00 3.45175e-01 33 2020 5 2.42446e+00 1.62977e+00 40 2020 6 1.25720e+00 4.09838e-01 17 2020 7 9.85213e-01 1.54040e-01 31 2020 8 1.19740e+00 3.57445e-01 27 2020 9 nan nan 0 2020 10 2.16839e+00 5.83564e-01 64 2020 11 1.38487e+00 4.16062e-01 80 2020 12 1.33699e+00 2.87980e-01 142 2021 1 1.82304e+00 2.96598e-01 79 2021 2 1.31181e+00 2.75967e-01 92 2021 3 1.48077e+00 2.99495e-01 96 2021 4 3.04083e+00 4.80964e-01 70 2021 5 2.23538e+00 1.25772e+00 37 2021 6 4.77833e+00 3.62982e-02 3 2021 7 3.77872e+00 8.30356e-01 31 2021 8 nan nan 0 2021 9 3.07951e+00 8.25615e-01 43 2021 10 4.57206e+00 1.09093e-01 17 2021 11 1.25348e+00 5.21329e-01 159 2021 12 2.06790e+00 7.17083e-01 46 2022 1 1.59758e+00 8.59686e-01 123 2022 2 1.57128e+00 6.58052e-01 86 2022 3 1.29931e+00 8.48594e-01 107 2022 4 2.20840e+00 9.67322e-02 8 2022 5 2.04021e+00 2.95984e-01 44 2022 6 6.62337e-01 4.07211e-01 32 2022 7 1.35431e+00 2.09333e-01 38 2022 8 2.98248e+00 4.88634e-01 34 2022 9 1.72549e+00 7.73878e-01 95 2022 10 1.26464e+00 7.83171e-01 192 2022 11 9.87140e-01 2.16402e-01 103 2022 12 1.47901e+00 5.45614e-01 99 2023 1 1.68078e+00 3.28381e-01 178 2023 2 2.39164e+00 7.88603e-01 97 2023 3 1.14933e+00 4.67323e-01 18 2023 4 1.69561e+00 4.00348e-01 36 2023 5 1.57139e+00 1.09773e+00 32 2023 6 nan nan 0 2023 7 1.56259e+00 6.15057e-01 80 2023 8 1.16474e+00 6.50528e-01 53 2023 9 1.07484e+00 1.00340e+00 92 2023 10 7.58069e-01 4.17155e-01 143 2023 11 8.17614e-01 3.06451e-01 113 2023 12 1.38881e+00 6.36925e-01 76 2024 1 1.12945e+00 1.61894e-01 70 2024 2 1.48418e+00 3.86855e-01 83 2024 3 2.86811e+00 5.34848e-01 39 2024 4 nan nan 0