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 6.65052e-01 2.73319e-02 16 2002 8 1.12127e+00 4.30285e-01 36 2002 9 1.91165e+00 1.00593e+00 61 2002 10 1.44061e+00 2.53304e-01 30 2002 11 2.55742e+00 9.72259e-01 68 2002 12 1.41972e+00 3.04711e-01 68 2003 1 1.79630e+00 9.13975e-01 165 2003 2 9.35941e-01 1.66033e-01 103 2003 3 nan nan 0 2003 4 2.50519e+00 1.07402e+00 52 2003 5 4.19976e+00 1.24526e+00 11 2003 6 1.24005e+00 1.25011e-01 16 2003 7 nan nan 0 2003 8 1.82961e+00 3.34423e-01 16 2003 9 1.61648e+00 6.94828e-01 79 2003 10 9.75880e-01 4.03365e-01 172 2003 11 8.41391e-01 1.69847e-01 163 2003 12 1.14841e+00 4.66483e-01 130 2004 1 1.21596e+00 3.25911e-01 69 2004 2 1.28491e+00 3.75788e-01 65 2004 3 1.35121e+00 2.75222e-01 117 2004 4 1.11130e+00 3.42555e-01 48 2004 5 1.08953e+00 4.28131e-01 48 2004 6 nan nan 0 2004 7 1.69626e+00 2.94898e-01 28 2004 8 1.50998e+00 1.35451e-01 16 2004 9 1.56128e+00 7.88780e-01 88 2004 10 1.36790e+00 2.15650e-01 72 2004 11 1.97538e+00 4.47865e-01 69 2004 12 2.02890e+00 5.19547e-01 96 2005 1 1.61164e+00 3.40620e-01 68 2005 2 1.08300e+00 2.83895e-01 80 2005 3 1.33082e+00 4.10668e-01 121 2005 4 nan nan 0 2005 5 nan nan 0 2005 6 1.48737e+00 9.77096e-02 32 2005 7 1.66806e+00 4.95050e-01 41 2005 8 nan nan 0 2005 9 1.63426e+00 3.04952e-01 31 2005 10 8.98615e-01 2.54934e-01 164 2005 11 8.42695e-01 3.54401e-01 150 2005 12 1.40067e+00 3.78260e-01 65 2006 1 1.34877e+00 2.41248e-01 77 2006 2 1.31585e+00 2.50042e-01 138 2006 3 1.17237e+00 2.47560e-01 160 2006 4 9.21556e-01 2.91136e-01 54 2006 5 1.03886e+00 1.76282e-01 112 2006 6 1.39177e+00 6.69962e-01 27 2006 7 5.42520e-01 7.68269e-02 24 2006 8 8.90926e-01 9.84245e-02 25 2006 9 1.08679e+00 2.89139e-01 93 2006 10 9.26222e-01 2.54316e-01 146 2006 11 9.72731e-01 4.19567e-01 161 2006 12 7.51463e-01 2.46518e-01 110 2007 1 1.21371e+00 1.65775e-01 66 2007 2 9.97797e-01 2.66385e-01 61 2007 3 8.67325e-01 2.04176e-01 112 2007 4 1.34028e+00 4.16266e-01 80 2007 5 8.97885e-01 1.14636e-01 32 2007 6 1.31465e+00 6.69915e-02 16 2007 7 7.19403e-01 6.99439e-02 20 2007 8 8.35621e-01 1.14212e-01 48 2007 9 8.92513e-01 5.52550e-01 25 2007 10 1.09745e+00 9.06835e-01 84 2007 11 1.17050e+00 5.33778e-01 124 2007 12 1.22030e+00 3.87446e-01 46 2008 1 1.65836e+00 4.28469e-01 64 2008 2 2.41980e+00 1.26118e+00 52 2008 3 1.72067e+00 2.55684e-01 106 2008 4 1.96928e+00 1.55833e-01 16 2008 5 1.07156e+00 2.11123e-01 18 2008 6 1.10749e+00 3.93557e-01 48 2008 7 7.58151e-01 3.76583e-02 16 2008 8 1.20468e+00 2.95911e-01 46 2008 9 1.44148e+00 7.76828e-01 68 2008 10 8.79532e-01 3.33111e-01 162 2008 11 7.36927e-01 2.91047e-01 205 2008 12 1.28620e+00 5.70520e-01 94 2009 1 1.31048e+00 3.91511e-01 85 2009 2 1.29506e+00 3.68961e-01 108 2009 3 8.81065e-01 2.30241e-01 48 2009 4 3.30443e+00 1.68897e+00 6 2009 5 2.05248e+00 2.61632e-01 5 2009 6 2.82089e+00 6.75466e-01 30 2009 7 nan nan 0 2009 8 1.54190e+00 3.39537e-01 16 2009 9 nan nan 0 2009 10 1.70737e+00 7.25722e-01 50 2009 11 2.47968e+00 5.53286e-01 44 2009 12 2.88353e+00 3.52427e-01 6 2010 1 1.99534e+00 8.46539e-01 72 2010 2 2.37104e+00 5.21203e-01 72 2010 3 1.79763e+00 2.21428e-01 74 2010 4 1.44401e+00 4.04828e-01 78 2010 5 1.91406e+00 7.27638e-01 36 2010 6 1.32803e+00 1.75471e-01 72 2010 7 9.94876e-01 1.90202e-01 25 2010 8 nan nan 0 2010 9 9.44145e-01 3.66050e-01 84 2010 10 7.97996e-01 2.26928e-01 214 2010 11 8.05778e-01 1.92069e-01 100 2010 12 1.01205e+00 2.93527e-01 160 2011 1 1.01084e+00 1.83499e-01 179 2011 2 1.24679e+00 2.75909e-01 136 2011 3 1.45724e+00 5.29926e-01 112 2011 4 1.36696e+00 3.73558e-01 78 2011 5 7.29574e-01 8.07788e-02 86 2011 6 8.24362e-01 1.04224e-01 60 2011 7 1.09015e+00 4.33929e-01 64 2011 8 1.33856e+00 7.61940e-01 49 2011 9 1.15622e+00 3.52239e-01 61 2011 10 8.04282e-01 2.75818e-01 157 2011 11 6.80159e-01 1.56277e-01 118 2011 12 6.30579e-01 2.57609e-01 96 2012 1 1.00441e+00 2.76055e-01 165 2012 2 1.09699e+00 2.07745e-01 28 2012 3 8.78708e-01 4.17643e-01 71 2012 4 1.02063e+00 2.45623e-01 81 2012 5 5.94284e-01 9.81632e-02 33 2012 6 7.05109e+00 1.32050e+01 16 2012 7 1.04596e+00 4.88230e-01 36 2012 8 6.46885e-01 0.00000e+00 2 2012 9 1.39133e+00 2.66815e-01 41 2012 10 1.13480e+00 4.30615e-01 160 2012 11 6.99183e-01 1.88895e-01 164 2012 12 6.48955e-01 3.96966e-01 121 2013 1 7.47747e-01 2.32898e-01 51 2013 2 1.18219e+00 6.91306e-01 92 2013 3 1.86460e+00 6.57674e-01 90 2013 4 1.03579e+00 9.11772e-02 32 2013 5 1.12594e+00 1.28590e-01 35 2013 6 7.52017e-01 2.18222e-01 28 2013 7 nan nan 0 2013 8 2.12867e+00 2.40461e-01 16 2013 9 1.90404e+00 5.69542e-01 50 2013 10 1.27208e+00 2.27385e-01 95 2013 11 1.26556e+00 6.27560e-01 154 2013 12 1.60555e+00 5.49344e-01 59 2014 1 2.27449e+00 5.27316e-01 56 2014 2 1.26983e+00 5.61805e-01 88 2014 3 2.28811e+00 6.64092e-01 50 2014 4 1.90500e+00 3.69996e-01 32 2014 5 8.02734e+00 1.35640e+00 4 2014 6 nan nan 0 2014 7 2.23399e+00 1.09210e+00 38 2014 8 1.05709e+00 2.88178e-02 16 2014 9 8.85542e-01 2.71869e-01 50 2014 10 9.65780e-01 4.76646e-01 222 2014 11 9.79074e-01 3.11098e-01 174 2014 12 7.20834e-01 2.65365e-01 128 2015 1 1.27310e+00 4.02010e-01 143 2015 2 1.41939e+00 5.12547e-01 160 2015 3 1.00395e+00 2.79496e-01 71 2015 4 1.13843e+00 2.74287e-01 18 2015 5 1.35576e+00 7.04897e-01 53 2015 6 1.07899e+00 6.88428e-02 17 2015 7 1.10029e+00 1.19315e-01 20 2015 8 7.86972e-01 3.46067e-01 55 2015 9 4.51527e-01 1.30359e-01 29 2015 10 1.31272e+00 4.57860e-01 106 2015 11 1.77710e+00 2.76947e-01 32 2015 12 1.84975e+00 7.52670e-01 60 2016 1 2.41704e+00 1.03484e+00 41 2016 2 2.02482e+00 4.40942e-01 113 2016 3 1.63982e+00 2.72625e-01 67 2016 4 1.23449e+00 3.94878e-01 15 2016 5 1.26188e+00 1.24553e-01 16 2016 6 1.30219e+00 4.95369e-01 39 2016 7 7.94809e-01 2.77283e-01 75 2016 8 2.01924e+00 6.72550e-01 29 2016 9 7.66474e-01 2.42698e-01 64 2016 10 6.60390e-01 4.19798e-01 170 2016 11 5.96135e-01 1.65836e-01 129 2016 12 1.20511e+00 4.48784e-01 74 2017 1 1.79566e+00 3.38690e-01 35 2017 2 1.96723e+00 4.93437e-01 80 2017 3 1.27717e+00 5.22265e-01 108 2017 4 1.54038e+00 6.90059e-01 96 2017 5 9.53082e-01 2.43850e-01 87 2017 6 1.43777e+00 1.59903e-01 16 2017 7 2.16333e+00 1.13577e+00 31 2017 8 2.34513e+00 7.91947e-01 16 2017 9 1.27291e+00 7.67412e-01 60 2017 10 1.90677e+00 2.91563e-01 48 2017 11 1.14478e+00 7.40674e-01 109 2017 12 8.02635e-01 3.83042e-01 98 2018 1 9.42706e-01 1.69864e-01 147 2018 2 2.48035e+00 2.49893e+00 28 2018 3 1.62543e+00 6.86024e-01 100 2018 4 1.18919e+00 4.05494e-01 109 2018 5 6.94787e-01 2.53740e-01 32 2018 6 1.69064e+00 5.57962e-01 32 2018 7 1.07726e+00 3.25872e-01 19 2018 8 1.32983e+00 3.53020e-01 30 2018 9 2.10077e+00 1.19733e+00 39 2018 10 1.20052e+00 2.71669e-01 101 2018 11 1.68121e+00 5.84114e-01 46 2018 12 2.01527e+00 4.94368e-01 49 2019 1 1.69883e+00 9.70316e-01 35 2019 2 1.16823e+00 4.88076e-01 32 2019 3 1.22072e+00 2.95428e-01 66 2019 4 1.19916e+00 2.36358e-01 64 2019 5 1.42025e+00 4.39540e-01 98 2019 6 1.56751e+00 2.12865e-01 14 2019 7 7.83341e-01 1.97651e-01 48 2019 8 5.72989e-01 4.56714e-01 32 2019 9 8.06137e-01 2.68094e-01 87 2019 10 6.30117e-01 2.16930e-01 110 2019 11 8.41664e-01 3.28747e-01 100 2019 12 1.09841e+00 5.88280e-01 56 2020 1 2.18322e+00 9.33960e-01 49 2020 2 1.96146e+00 7.01083e-01 64 2020 3 1.66051e+00 4.14454e-01 96 2020 4 1.20839e+00 2.35402e-01 64 2020 5 1.47246e+00 1.04329e+00 57 2020 6 1.52075e+00 2.95833e-01 26 2020 7 9.89864e-01 5.91681e-02 32 2020 8 1.01845e+00 2.03961e-01 32 2020 9 2.38645e+00 1.37463e-01 16 2020 10 1.66387e+00 6.91740e-01 52 2020 11 1.15993e+00 3.38880e-01 118 2020 12 1.16341e+00 2.93196e-01 144 2021 1 1.44924e+00 2.30725e-01 24 2021 2 1.64181e+00 8.11194e-01 118 2021 3 1.35260e+00 2.97061e-01 96 2021 4 1.98952e+00 1.10254e+00 43 2021 5 1.36193e+00 5.91133e-02 16 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 1.69344e+00 1.86045e-01 14 2021 9 nan nan 0 2021 10 3.11005e+00 1.55057e+00 39 2021 11 1.29997e+00 5.46306e-01 189 2021 12 7.92348e-01 5.33851e-01 54 2022 1 1.21831e+00 2.63316e-01 131 2022 2 1.13644e+00 5.04158e-01 138 2022 3 1.01520e+00 4.97299e-01 116 2022 4 1.84676e+00 1.19961e-01 16 2022 5 1.88983e+00 9.12554e-01 25 2022 6 1.24923e+00 2.90742e-01 51 2022 7 1.27905e+00 1.02370e+00 67 2022 8 1.16296e+00 3.38779e-01 32 2022 9 1.29940e+00 7.20591e-01 90 2022 10 8.62316e-01 2.07864e-01 177 2022 11 3.93855e-01 2.40031e+00 123 2022 12 9.51123e-01 3.28812e-01 114 2023 1 1.58632e+00 4.09334e-01 144 2023 2 1.46047e+00 4.29408e-01 159 2023 3 1.31713e+00 1.26461e-01 31 2023 4 1.13824e+00 1.64295e-01 32 2023 5 7.57113e-01 2.15660e-01 48 2023 6 1.02335e+00 3.89249e-01 29 2023 7 2.05347e+00 7.63022e-01 65 2023 8 1.09409e+00 2.74777e-01 81 2023 9 4.74078e-01 5.19820e-01 67 2023 10 6.08654e-01 3.22054e-01 181 2023 11 5.91748e-01 2.16549e-01 136 2023 12 6.49484e-01 2.69689e-01 58 2024 1 1.16314e+00 2.55550e-01 69 2024 2 1.22121e+00 4.30568e-01 73 2024 3 1.40458e+00 4.99526e-01 64 2024 4 1.46486e+00 2.76795e-01 32