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 9.34514e-01 7.89919e-03 16 2002 8 9.43560e-01 1.86820e-02 48 2002 9 1.39283e+00 5.08040e-01 45 2002 10 1.24599e+00 1.58315e-01 72 2002 11 1.69827e+00 3.42606e-01 154 2002 12 1.29345e+00 2.48621e-01 116 2003 1 1.18429e+00 1.77019e-01 128 2003 2 1.32301e+00 4.21158e-01 108 2003 3 3.13047e+00 2.39320e-01 24 2003 4 1.96507e+00 5.96641e-01 112 2003 5 1.33167e+00 1.69114e-01 44 2003 6 1.29430e+00 1.10317e-01 35 2003 7 2.23727e+00 3.78446e-01 32 2003 8 5.13911e+00 7.83390e+00 26 2003 9 3.22067e+00 6.04702e+00 117 2003 10 1.16751e+00 2.85621e-01 135 2003 11 1.12519e+00 1.46069e-01 143 2003 12 9.95044e-01 1.58582e-01 143 2004 1 8.43846e-01 1.88390e-01 103 2004 2 1.18917e+00 1.50865e-01 33 2004 3 1.19135e+00 1.92291e-01 118 2004 4 1.12180e+00 4.20624e-01 104 2004 5 8.46689e-01 4.57614e-02 51 2004 6 nan nan 0 2004 7 1.18170e+00 8.14869e-02 30 2004 8 9.21417e-01 1.49269e-02 32 2004 9 1.86273e+00 5.25638e-02 13 2004 10 1.35059e+00 3.19005e-01 46 2004 11 1.56567e+00 4.78154e-01 78 2004 12 1.63693e+00 1.81223e-01 51 2005 1 1.31720e+00 2.66452e-01 93 2005 2 1.21552e+00 3.84089e-01 107 2005 3 1.53138e+00 4.52337e-01 88 2005 4 nan nan 0 2005 5 1.23508e+00 1.75116e-01 45 2005 6 1.40015e+00 3.24103e-01 48 2005 7 2.26721e+00 4.41266e-01 20 2005 8 nan nan 0 2005 9 1.11846e+00 3.07494e-01 32 2005 10 8.65835e-01 3.33337e-01 150 2005 11 9.58953e-01 2.79820e-01 159 2005 12 1.10106e+00 2.00895e-01 50 2006 1 1.54624e+00 2.01073e-01 47 2006 2 1.31087e+00 2.16687e-01 98 2006 3 1.31408e+00 3.50964e-01 135 2006 4 1.08080e+00 3.94878e-01 85 2006 5 9.87522e-01 3.61803e-01 78 2006 6 9.46689e-01 7.80969e-02 32 2006 7 9.38125e-01 7.74514e-02 22 2006 8 9.92345e-01 6.47069e-02 51 2006 9 1.15979e+00 1.38831e-01 68 2006 10 1.09289e+00 2.86976e-01 140 2006 11 1.26599e+00 7.27497e-01 148 2006 12 1.14853e+00 6.52647e-01 79 2007 1 1.62058e+00 3.87346e-01 61 2007 2 1.27235e+00 2.33247e-01 141 2007 3 1.37769e+00 2.65782e-01 165 2007 4 1.18371e+00 3.09031e-01 139 2007 5 1.09324e+00 2.63301e-01 32 2007 6 nan nan 0 2007 7 9.82663e-01 1.59891e-01 47 2007 8 1.32934e+00 1.53450e-01 48 2007 9 1.81308e+00 3.17501e-01 28 2007 10 2.21307e+00 7.46558e-01 74 2007 11 1.15602e+00 2.89187e-01 177 2007 12 1.05548e+00 4.17249e-02 32 2008 1 1.39182e+00 4.21281e-01 86 2008 2 1.49011e+00 3.41992e-01 189 2008 3 2.43953e+00 3.71253e-01 96 2008 4 1.34704e+00 2.27832e-01 57 2008 5 9.95410e-01 1.87816e-01 76 2008 6 8.33709e-01 4.38292e-02 66 2008 7 8.30793e-01 1.23824e-02 16 2008 8 nan nan 0 2008 9 1.59882e+00 3.84738e-01 56 2008 10 1.48338e+00 4.07012e-01 149 2008 11 1.06752e+00 2.12847e-01 172 2008 12 1.42911e+00 6.84321e-01 100 2009 1 1.54808e+00 2.72250e-01 100 2009 2 1.27893e+00 2.33156e-01 164 2009 3 1.16511e+00 1.72772e-01 111 2009 4 nan nan 0 2009 5 1.69273e+00 5.32826e-01 44 2009 6 nan nan 0 2009 7 1.00408e+00 3.56148e-02 10 2009 8 1.01363e+00 1.95188e-02 23 2009 9 1.97967e+00 7.17891e-01 75 2009 10 1.44360e+00 2.04798e-01 128 2009 11 1.47384e+00 3.29770e-01 83 2009 12 nan nan 0 2010 1 2.11300e+00 3.41594e-01 29 2010 2 2.31712e+00 3.73494e-01 42 2010 3 1.60672e+00 2.22788e-01 100 2010 4 1.45826e+00 2.71555e-01 77 2010 5 1.40176e+00 3.39166e-01 45 2010 6 1.05137e+00 4.87824e-02 66 2010 7 1.04964e+00 1.18751e-01 58 2010 8 nan nan 0 2010 9 1.32330e+00 4.89218e-01 98 2010 10 1.00779e+00 1.89310e-01 269 2010 11 9.32652e-01 2.28856e-01 215 2010 12 9.30888e-01 1.10930e-01 114 2011 1 1.21375e+00 3.14644e-01 101 2011 2 1.31223e+00 1.87969e-01 110 2011 3 1.21258e+00 1.69908e-01 112 2011 4 1.22446e+00 1.60707e-01 103 2011 5 8.86905e-01 1.08081e-01 69 2011 6 1.38937e+00 9.56649e-02 20 2011 7 9.33964e-01 1.50005e-01 7 2011 8 1.20260e+00 1.73126e-01 36 2011 9 1.11317e+00 2.01163e-01 110 2011 10 1.17567e+00 2.79973e-01 148 2011 11 1.44871e+00 4.66624e-01 89 2011 12 1.10652e+00 2.69839e-01 100 2012 1 1.01971e+00 1.64117e-01 107 2012 2 1.49241e+00 2.57462e-01 55 2012 3 1.77451e+00 5.80096e-01 144 2012 4 9.56987e-01 1.70951e-01 106 2012 5 8.54694e-01 3.00273e-02 52 2012 6 1.54856e+00 1.02027e+00 48 2012 7 1.70679e+00 7.55208e-01 41 2012 8 1.49958e+02 0.00000e+00 1 2012 9 2.07146e+00 7.08946e-01 45 2012 10 1.54068e+00 2.10020e-01 140 2012 11 8.89897e-01 9.31096e-02 134 2012 12 8.30490e-01 8.66461e-02 64 2013 1 8.70698e-01 8.38204e-02 92 2013 2 9.91367e-01 1.78161e-01 61 2013 3 2.42283e+00 7.04561e-01 38 2013 4 2.08429e+00 6.12057e-02 9 2013 5 1.35764e+00 4.40736e-02 48 2013 6 nan nan 0 2013 7 1.29254e+00 4.07334e-02 9 2013 8 1.85084e+00 1.04261e-01 48 2013 9 2.06102e+00 6.09397e-01 43 2013 10 1.30310e+00 2.02562e-01 126 2013 11 1.23615e+00 3.98572e-01 69 2013 12 1.46577e+00 4.71498e-01 123 2014 1 1.57941e+00 3.78992e-01 73 2014 2 1.45678e+00 2.91393e-01 102 2014 3 1.90145e+00 3.10129e-01 75 2014 4 1.72981e+00 2.03329e-01 19 2014 5 2.02031e+00 3.52426e-01 54 2014 6 1.11757e+00 1.41515e-01 30 2014 7 1.03862e+00 1.01326e-01 30 2014 8 1.01404e+00 1.15857e-01 50 2014 9 1.20146e+00 2.93187e-01 66 2014 10 1.15677e+00 1.69483e-01 226 2014 11 1.20967e+00 2.53596e-01 136 2014 12 1.38831e+00 6.02908e-01 114 2015 1 2.01314e+00 1.31497e-01 96 2015 2 1.73553e+00 4.68838e-01 84 2015 3 1.34909e+00 2.02845e-01 68 2015 4 1.09518e+00 1.26685e-01 45 2015 5 1.77774e+00 4.24419e-01 68 2015 6 1.13516e+00 7.59307e-02 22 2015 7 9.70679e-01 5.07501e-02 48 2015 8 1.04076e+00 1.18159e-01 53 2015 9 1.54570e+00 3.97422e-01 64 2015 10 1.06119e+00 9.65769e-02 95 2015 11 1.73727e+00 5.54433e-01 96 2015 12 1.68739e+00 3.93404e-01 98 2016 1 2.63614e+00 1.71971e-01 23 2016 2 2.10550e+00 1.92921e-01 41 2016 3 1.07889e+00 2.60927e-01 26 2016 4 2.13681e+00 2.80232e-01 33 2016 5 1.10644e+00 1.00886e-01 48 2016 6 9.60951e-01 6.93419e-02 112 2016 7 1.00887e+00 1.32124e-01 105 2016 8 1.55809e+00 4.97092e-01 49 2016 9 1.30367e+00 2.63611e-01 95 2016 10 1.42332e+00 5.52407e-01 233 2016 11 1.00070e+00 2.06845e-01 155 2016 12 1.14297e+00 1.19594e-01 99 2017 1 2.04717e+00 5.66535e-01 27 2017 2 1.78565e+00 6.32207e-01 108 2017 3 1.20198e+00 3.37102e-01 98 2017 4 1.10115e+00 2.27013e-01 83 2017 5 1.00624e+00 2.69356e-01 84 2017 6 1.11495e+00 1.46333e-01 33 2017 7 1.31975e+00 3.46613e-02 32 2017 8 1.20875e+00 7.33168e-02 32 2017 9 1.18187e+00 8.73971e-02 54 2017 10 1.40331e+00 6.71163e-01 94 2017 11 9.11724e-01 1.30466e-01 201 2017 12 9.03945e-01 1.91962e-01 97 2018 1 9.32011e-01 1.33405e-01 71 2018 2 1.77859e+00 6.71048e-01 72 2018 3 1.27363e+00 3.56756e-01 114 2018 4 1.17164e+00 2.14468e-01 128 2018 5 1.15829e+00 1.49682e-01 88 2018 6 nan nan 0 2018 7 9.85409e-01 1.48185e-01 33 2018 8 1.55050e+00 1.07346e-01 32 2018 9 1.51555e+00 3.81283e-01 142 2018 10 1.76065e+00 5.35306e-01 168 2018 11 1.43812e+00 1.33015e-01 72 2018 12 1.84464e+00 3.18621e-01 41 2019 1 2.67630e+00 5.13794e-01 32 2019 2 2.93792e+00 5.46719e-01 39 2019 3 1.45592e+00 1.74552e-01 98 2019 4 1.25634e+00 1.84993e-01 94 2019 5 1.42250e+00 4.47337e-01 112 2019 6 9.95390e-01 1.09243e-01 48 2019 7 1.26772e+00 1.99312e-01 32 2019 8 1.10353e+00 1.38099e-01 62 2019 9 1.53681e+00 1.73089e+00 137 2019 10 1.31678e+00 4.88438e-01 138 2019 11 1.01119e+00 3.20244e-01 123 2019 12 1.06841e+00 1.88025e-02 16 2020 1 1.45325e+00 1.64776e-01 68 2020 2 2.07364e+00 5.73399e-01 88 2020 3 2.28244e+00 4.76454e-01 29 2020 4 1.38607e+00 2.90605e-01 112 2020 5 1.58959e+00 4.77915e-01 32 2020 6 1.18299e+00 1.03111e-01 32 2020 7 1.35248e+00 1.11061e-01 17 2020 8 9.59360e-01 5.64463e-02 61 2020 9 1.87789e+00 2.23045e-01 48 2020 10 1.76352e+00 4.34113e-01 63 2020 11 1.36423e+00 2.04167e-01 120 2020 12 1.78815e+00 4.13487e+00 202 2021 1 1.50219e+00 2.56667e-01 74 2021 2 1.86431e+00 7.10128e-02 32 2021 3 2.04715e+00 5.92170e-01 43 2021 4 1.32607e+00 1.43692e-01 79 2021 5 1.42043e+00 3.61265e-01 56 2021 6 8.22123e-01 1.50776e-02 16 2021 7 1.66531e+00 3.83022e-01 48 2021 8 1.81839e+00 3.92895e-01 72 2021 9 1.85257e+00 2.14611e-01 44 2021 10 1.55121e+00 2.88265e-01 64 2021 11 2.23908e+01 1.31701e+02 157 2021 12 1.10381e+00 7.91329e-01 51 2022 1 1.91109e+00 3.13183e+00 118 2022 2 1.18776e+00 2.58193e-01 80 2022 3 1.26115e+00 2.87034e-01 84 2022 4 1.00334e+00 1.51377e-01 8 2022 5 1.14011e+00 1.36604e-01 47 2022 6 1.19993e+00 2.55885e-01 68 2022 7 1.18122e+00 5.43490e-01 69 2022 8 1.06192e+00 5.79659e-02 44 2022 9 1.66913e+00 3.47163e-01 40 2022 10 1.09093e+00 2.67109e-01 282 2022 11 1.06131e+00 2.60740e-01 96 2022 12 1.09973e+00 2.75094e-01 142 2023 1 9.61530e-01 1.15965e-01 97 2023 2 1.83418e+00 7.69496e-01 126 2023 3 1.23969e+00 1.46290e-01 101 2023 4 1.44467e+00 7.40009e-02 55 2023 5 1.51098e+00 1.53780e-02 16 2023 6 1.15347e+00 3.01341e-01 57 2023 7 1.22819e+00 2.66630e-01 20 2023 8 1.36241e+00 3.81914e-01 25 2023 9 1.42380e+00 9.46524e-01 124 2023 10 1.29304e+00 4.00971e-01 139 2023 11 9.90636e-01 1.92604e-01 100 2023 12 1.46966e+00 9.17578e-02 32 2024 1 1.76883e+00 3.61374e-01 55 2024 2 1.69295e+00 1.98113e-01 80 2024 3 2.16048e+00 1.62166e-01 32 2024 4 nan nan 0