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 6.04300e-01 9.61248e-03 16 2002 8 1.46562e+00 1.24221e+00 28 2002 9 1.85429e+00 1.07290e+00 50 2002 10 2.07845e+00 5.68955e-01 30 2002 11 2.18568e+00 2.69912e-01 10 2002 12 2.07306e+00 6.81070e-01 68 2003 1 2.38400e+00 1.28040e+00 137 2003 2 1.07076e+00 1.58194e-01 103 2003 3 nan nan 0 2003 4 3.02093e+00 3.14021e-01 32 2003 5 nan nan 0 2003 6 1.70491e+00 1.18683e-01 16 2003 7 nan nan 0 2003 8 3.29859e+00 1.30221e+00 16 2003 9 1.79029e+00 7.80794e-01 65 2003 10 1.40503e+00 6.58058e-01 172 2003 11 1.17155e+00 3.45353e-01 163 2003 12 1.50289e+00 6.23510e-01 129 2004 1 2.04133e+00 1.29123e+00 61 2004 2 1.89445e+00 7.22596e-01 65 2004 3 1.91177e+00 6.31583e-01 117 2004 4 1.59916e+00 5.87134e-01 48 2004 5 1.30913e+00 6.27353e-01 48 2004 6 nan nan 0 2004 7 2.54236e+00 9.41741e-01 28 2004 8 1.45263e+00 1.02264e-01 16 2004 9 1.83123e+00 7.45779e-01 86 2004 10 1.67388e+00 2.31276e-01 72 2004 11 3.21761e+00 1.27297e+00 60 2004 12 2.66879e+00 1.06793e+00 77 2005 1 2.43499e+00 6.90845e-01 68 2005 2 1.45154e+00 4.41852e-01 80 2005 3 1.89559e+00 9.24784e-01 113 2005 4 nan nan 0 2005 5 nan nan 0 2005 6 2.13450e+00 1.02464e-01 32 2005 7 2.34310e+00 1.03218e+00 39 2005 8 nan nan 0 2005 9 3.16223e+00 1.63560e+00 29 2005 10 1.13462e+00 4.30524e-01 164 2005 11 1.14657e+00 5.74489e-01 150 2005 12 2.05385e+00 3.93662e-01 58 2006 1 1.64144e+00 4.59078e-01 77 2006 2 1.90939e+00 5.81623e-01 138 2006 3 1.44353e+00 3.98615e-01 160 2006 4 1.00527e+00 3.83051e-01 54 2006 5 1.25831e+00 2.80515e-01 112 2006 6 1.92188e+00 1.50839e+00 26 2006 7 6.46625e-01 1.34849e-01 24 2006 8 1.02891e+00 4.27020e-02 25 2006 9 1.38268e+00 6.78347e-01 89 2006 10 1.14092e+00 6.05788e-01 146 2006 11 1.17022e+00 5.94004e-01 157 2006 12 1.01746e+00 4.98820e-01 110 2007 1 1.55360e+00 3.35167e-01 66 2007 2 1.15911e+00 3.54337e-01 59 2007 3 9.76561e-01 2.69239e-01 112 2007 4 1.97437e+00 1.08378e+00 80 2007 5 9.51331e-01 2.19294e-01 32 2007 6 1.52406e+00 1.14170e-01 16 2007 7 7.72300e-01 6.55604e-02 20 2007 8 8.44008e-01 1.02635e-01 48 2007 9 9.19825e-01 1.09417e-01 16 2007 10 9.75771e-01 6.81282e-01 70 2007 11 1.67204e+00 9.52877e-01 124 2007 12 2.01465e+00 1.06580e+00 46 2008 1 3.22082e+00 1.11779e+00 58 2008 2 3.19516e+00 1.22829e+00 32 2008 3 2.77405e+00 7.23017e-01 105 2008 4 nan nan 0 2008 5 1.30518e+00 4.53354e-01 18 2008 6 1.62763e+00 7.53279e-01 48 2008 7 9.23687e-01 1.45532e-02 16 2008 8 1.59215e+00 4.12805e-01 46 2008 9 1.63389e+00 8.02253e-01 56 2008 10 1.23568e+00 8.39343e-01 162 2008 11 1.03650e+00 7.31289e-01 205 2008 12 1.42315e+00 7.39855e-01 78 2009 1 2.01859e+00 7.32391e-01 85 2009 2 1.90718e+00 1.03419e+00 108 2009 3 1.06909e+00 5.21800e-01 48 2009 4 1.99868e+00 1.41107e-01 5 2009 5 3.46960e+00 3.28946e-01 3 2009 6 4.31509e+00 4.68558e-01 11 2009 7 nan nan 0 2009 8 2.33547e+00 3.17448e-01 16 2009 9 nan nan 0 2009 10 2.27735e+00 4.05712e-01 32 2009 11 nan nan 0 2009 12 nan nan 0 2010 1 2.48958e+00 1.06970e+00 64 2010 2 2.79544e+00 1.46973e+00 52 2010 3 2.82199e+00 9.88737e-01 74 2010 4 1.89022e+00 7.60389e-01 71 2010 5 1.72954e+00 2.17779e-01 20 2010 6 1.79881e+00 3.66948e-01 72 2010 7 1.27634e+00 2.98967e-01 25 2010 8 nan nan 0 2010 9 1.21063e+00 5.73790e-01 84 2010 10 1.06712e+00 4.75479e-01 214 2010 11 1.07412e+00 6.19734e-01 100 2010 12 1.35295e+00 7.13097e-01 160 2011 1 1.19624e+00 2.47120e-01 179 2011 2 1.57904e+00 5.90161e-01 135 2011 3 1.90204e+00 5.77093e-01 96 2011 4 1.54715e+00 7.58514e-01 66 2011 5 8.03128e-01 4.15303e-01 86 2011 6 8.67023e-01 1.47635e-01 60 2011 7 1.25259e+00 6.19273e-01 64 2011 8 1.56880e+00 7.45118e-01 48 2011 9 1.56370e+00 5.20606e-01 61 2011 10 1.08552e+00 5.94150e-01 157 2011 11 7.24159e-01 1.87668e-01 118 2011 12 7.84133e-01 2.39327e-01 96 2012 1 1.42272e+00 5.91650e-01 165 2012 2 1.25802e+00 2.74410e-01 28 2012 3 1.21381e+00 8.44496e-01 71 2012 4 1.19021e+00 3.21873e-01 81 2012 5 5.57915e-01 1.18361e-01 33 2012 6 2.05156e+00 7.48290e-01 16 2012 7 1.32543e+00 7.26654e-01 36 2012 8 nan nan 0 2012 9 2.44545e+00 1.32248e+00 41 2012 10 1.60775e+00 8.00693e-01 160 2012 11 8.71569e-01 3.77352e-01 164 2012 12 8.63972e-01 6.10642e-01 121 2013 1 9.33169e-01 4.01178e-01 51 2013 2 1.48391e+00 1.09624e+00 88 2013 3 2.19234e+00 8.69475e-01 60 2013 4 1.11157e+00 5.39215e-02 32 2013 5 1.75550e+00 3.73703e-01 35 2013 6 9.40450e-01 2.32748e-01 28 2013 7 nan nan 0 2013 8 5.31116e+00 1.62207e-01 5 2013 9 3.16813e+00 1.59327e+00 25 2013 10 2.43716e+00 1.52403e+00 91 2013 11 1.77084e+00 1.06890e+00 153 2013 12 2.37593e+00 4.79542e-01 59 2014 1 3.23128e+00 8.20849e-01 24 2014 2 1.68439e+00 9.31287e-01 84 2014 3 2.94856e+00 1.91919e-01 16 2014 4 4.24433e+00 7.82009e-01 27 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 2.71134e+00 1.56373e+00 23 2014 8 1.43520e+00 4.12756e-02 16 2014 9 1.00459e+00 3.12143e-01 50 2014 10 1.38931e+00 8.98761e-01 222 2014 11 1.30212e+00 7.53719e-01 174 2014 12 8.65519e-01 3.85958e-01 128 2015 1 2.04460e+00 9.54431e-01 142 2015 2 1.83786e+00 8.58265e-01 150 2015 3 1.17462e+00 4.33372e-01 71 2015 4 1.44897e+00 4.16414e-01 18 2015 5 1.06894e+00 4.28172e-01 37 2015 6 1.21254e+00 9.46737e-02 17 2015 7 1.61778e+00 1.66912e-01 20 2015 8 1.14197e+00 7.16112e-01 55 2015 9 6.21110e-01 1.66975e-01 29 2015 10 1.73724e+00 8.85280e-01 90 2015 11 3.06311e+00 5.25208e-01 28 2015 12 2.22566e+00 6.87184e-01 44 2016 1 1.55242e+00 7.18548e-01 25 2016 2 2.83643e+00 1.16176e+00 107 2016 3 2.50741e+00 1.00172e+00 67 2016 4 nan nan 0 2016 5 1.82990e+00 1.57448e-01 16 2016 6 1.78805e+00 9.75283e-01 39 2016 7 9.22789e-01 3.34075e-01 75 2016 8 3.02035e+00 7.42076e-01 16 2016 9 1.03237e+00 2.78576e-01 64 2016 10 1.04688e+00 8.66556e-01 168 2016 11 8.00609e-01 2.43479e-01 129 2016 12 2.36935e+00 1.50746e+00 74 2017 1 3.44023e+00 9.91210e-01 28 2017 2 3.22890e+00 1.11369e+00 63 2017 3 1.57389e+00 5.16985e-01 95 2017 4 2.12202e+00 1.40163e+00 77 2017 5 1.10529e+00 4.26565e-01 87 2017 6 5.18760e+00 2.21499e-01 6 2017 7 2.51202e+00 1.20174e+00 16 2017 8 nan nan 0 2017 9 1.86201e+00 1.50718e+00 48 2017 10 2.68730e+00 1.73291e-01 16 2017 11 1.31953e+00 8.79340e-01 99 2017 12 1.06716e+00 5.43480e-01 98 2018 1 1.20284e+00 3.97618e-01 147 2018 2 6.35810e-01 3.83122e-01 20 2018 3 2.31215e+00 9.48065e-01 100 2018 4 1.53540e+00 7.76433e-01 97 2018 5 6.78638e-01 1.69681e-01 32 2018 6 1.91851e+00 1.85786e-01 16 2018 7 1.43518e+00 2.76909e-01 18 2018 8 1.86129e+00 4.40038e-01 28 2018 9 1.75228e+00 1.45390e+00 19 2018 10 1.70703e+00 5.85196e-01 101 2018 11 2.32485e+00 1.21103e+00 26 2018 12 3.10384e+00 4.18477e-01 33 2019 1 3.70801e+00 4.31124e-01 33 2019 2 1.61182e+00 8.83321e-01 32 2019 3 1.89727e+00 2.90419e-01 60 2019 4 1.63177e+00 4.60005e-01 64 2019 5 1.97206e+00 9.21310e-01 94 2019 6 2.18229e+00 4.68237e-01 14 2019 7 8.03900e-01 1.90132e-01 48 2019 8 7.42856e-01 4.23065e-01 32 2019 9 9.55649e-01 3.00344e-01 85 2019 10 8.16585e-01 2.70271e-01 110 2019 11 1.54087e+00 8.00564e-01 100 2019 12 1.80192e+00 1.59982e+00 53 2020 1 2.66368e+00 7.23958e-01 32 2020 2 2.82667e+00 4.06954e-01 48 2020 3 2.76160e+00 9.01053e-01 87 2020 4 1.49454e+00 3.40123e-01 64 2020 5 1.45247e+00 1.82910e+00 35 2020 6 2.21132e+00 3.84765e-01 26 2020 7 1.21074e+00 2.61041e-01 32 2020 8 1.34737e+00 3.27293e-01 32 2020 9 4.96142e+00 5.00232e-01 11 2020 10 2.37830e+00 7.74308e-01 39 2020 11 1.85136e+00 5.53291e-01 117 2020 12 1.78128e+00 6.51406e-01 144 2021 1 1.60431e+00 4.13482e-02 16 2021 2 2.07873e+00 5.14523e-01 106 2021 3 2.14622e+00 8.80969e-01 96 2021 4 1.82662e+00 8.24861e-02 32 2021 5 1.54146e+00 4.34893e-02 16 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 3.51920e+00 0.00000e+00 1 2021 9 nan nan 0 2021 10 3.04971e+00 8.09835e-02 16 2021 11 1.97967e+00 7.66330e-01 184 2021 12 1.00248e+00 9.60519e-01 51 2022 1 1.53847e+00 3.88195e-01 131 2022 2 1.64134e+00 1.28677e+00 131 2022 3 1.51337e+00 8.29310e-01 116 2022 4 3.01281e+00 1.59677e-01 16 2022 5 1.84090e+00 6.77594e-01 18 2022 6 1.51813e+00 6.50950e-01 51 2022 7 1.09289e+00 2.26021e-01 58 2022 8 2.52744e+00 1.27179e+00 27 2022 9 2.47241e+00 1.83794e+00 83 2022 10 1.26921e+00 5.39465e-01 177 2022 11 9.82997e-01 3.18020e-01 120 2022 12 1.29331e+00 7.26350e-01 113 2023 1 2.54964e+00 8.36370e-01 140 2023 2 2.15049e+00 1.05936e+00 154 2023 3 1.65359e+00 2.23873e-01 31 2023 4 1.30381e+00 2.03877e-01 32 2023 5 7.16821e-01 3.36294e-01 48 2023 6 1.41670e+00 4.91398e-01 20 2023 7 2.70546e+00 9.09246e-01 63 2023 8 1.35952e+00 4.62920e-01 81 2023 9 4.66911e-01 2.15730e-01 63 2023 10 8.38051e-01 5.00796e-01 181 2023 11 1.06706e+00 7.31372e-01 136 2023 12 1.08499e+00 4.18974e-01 58 2024 1 1.94328e+00 5.24731e-01 69 2024 2 1.73459e+00 7.56180e-01 71 2024 3 1.87326e+00 5.33968e-01 64 2024 4 2.51523e+00 8.32735e-01 32