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 1.25160e+00 3.36400e-01 6 2002 8 nan nan 0 2002 9 1.07991e+00 1.30746e-01 16 2002 10 2.34613e+00 1.23860e+00 22 2002 11 4.09789e+00 1.07800e+00 11 2002 12 2.27070e+00 8.65579e-01 48 2003 1 2.30144e+00 3.50668e-01 64 2003 2 1.76225e+00 7.75204e-01 97 2003 3 5.70373e+00 1.24027e-01 6 2003 4 4.88145e+00 8.42994e-01 8 2003 5 5.56865e+00 2.68810e-01 8 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 2.55536e+00 8.05907e-01 21 2003 10 2.04813e+00 5.88370e-01 81 2003 11 1.99222e+00 7.98886e-01 80 2003 12 1.82994e+00 5.43691e-01 94 2004 1 1.28807e+00 6.34796e-01 69 2004 2 1.37283e+00 3.07816e-02 12 2004 3 1.95848e+00 8.14799e-01 83 2004 4 1.90603e+00 8.53845e-01 68 2004 5 2.11591e+00 8.61851e-01 38 2004 6 1.78618e+00 3.02460e-02 16 2004 7 1.90457e+00 1.01012e-01 16 2004 8 2.01517e+00 1.78643e-01 16 2004 9 4.26555e+00 3.30657e-01 15 2004 10 2.03239e+00 6.11406e-01 58 2004 11 2.81188e+00 9.61410e-01 46 2004 12 3.14071e+00 6.13947e-02 16 2005 1 2.28252e+00 8.28859e-01 26 2005 2 2.10780e+00 6.32813e-01 46 2005 3 1.83379e+00 5.89921e-01 112 2005 4 nan nan 0 2005 5 4.15244e+00 4.71491e-01 5 2005 6 3.47732e+00 4.79870e-02 16 2005 7 2.93345e+00 2.90502e-01 24 2005 8 2.68236e+00 2.56984e-01 10 2005 9 2.79980e+00 3.00002e-03 2 2005 10 1.63722e+00 8.31449e-01 81 2005 11 9.84890e-01 3.67785e-01 62 2005 12 1.87290e+00 4.15653e-01 62 2006 1 1.56743e+00 5.35904e-01 64 2006 2 1.75233e+00 2.06569e-01 129 2006 3 1.72935e+00 6.01382e-01 111 2006 4 1.91223e+00 8.17249e-01 47 2006 5 2.46220e+00 6.58071e-01 32 2006 6 1.05233e+00 1.22885e-01 16 2006 7 7.98038e-01 5.91382e-02 16 2006 8 1.60620e+00 0.00000e+00 2 2006 9 1.64097e+00 5.15535e-01 46 2006 10 2.23883e+00 1.09308e+00 97 2006 11 1.58208e+00 7.78617e-01 125 2006 12 1.36539e+00 3.31218e-01 61 2007 1 2.02211e+00 9.05916e-01 47 2007 2 2.51165e+00 8.85799e-01 73 2007 3 2.07605e+00 1.02733e+00 96 2007 4 1.72872e+00 1.04356e+00 17 2007 5 2.08516e+00 3.25496e-01 32 2007 6 nan nan 0 2007 7 2.02720e+00 4.29738e-01 3 2007 8 1.50680e+00 1.31793e+00 6 2007 9 9.81337e-01 2.34346e-02 16 2007 10 1.63177e+00 8.60636e-01 89 2007 11 1.90501e+00 1.33789e+00 119 2007 12 2.28003e+00 9.00961e-01 46 2008 1 3.38339e+00 8.27789e-01 42 2008 2 3.07002e+00 6.06403e-01 58 2008 3 3.16799e+00 5.12434e-01 34 2008 4 4.62651e+00 2.53368e-01 9 2008 5 1.04209e+00 8.27439e-02 16 2008 6 nan nan 0 2008 7 nan nan 0 2008 8 nan nan 0 2008 9 4.79140e-01 7.04769e-02 10 2008 10 2.69380e+00 1.10236e+00 73 2008 11 1.04094e+00 3.35837e-01 96 2008 12 1.73093e+00 3.26285e-02 16 2009 1 3.65246e+00 4.79647e-01 31 2009 2 1.78785e+00 6.06164e-01 88 2009 3 1.41540e+00 2.95869e-01 76 2009 4 5.16398e+00 4.63937e-01 10 2009 5 5.60620e+00 0.00000e+00 1 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 4.33200e-01 0.00000e+00 2 2009 10 2.90034e+00 1.29357e+00 61 2009 11 3.52729e+00 5.11387e-01 33 2009 12 nan nan 0 2010 1 nan nan 0 2010 2 4.44600e+00 0.00000e+00 2 2010 3 3.17334e+00 6.45575e-01 37 2010 4 1.95307e+00 6.65523e-01 56 2010 5 nan nan 0 2010 6 2.18133e+00 1.54160e+00 34 2010 7 1.39334e+00 5.20673e-01 27 2010 8 nan nan 0 2010 9 1.83813e+00 7.75979e-01 62 2010 10 1.84105e+00 1.17429e+00 123 2010 11 1.44091e+00 6.01626e-01 74 2010 12 1.88309e+00 7.40383e-01 140 2011 1 1.28775e+00 2.07293e-01 96 2011 2 2.09654e+00 8.10676e-01 75 2011 3 2.47933e+00 7.85484e-01 124 2011 4 2.00510e+00 6.71824e-01 25 2011 5 9.76009e-01 4.44228e-01 22 2011 6 7.41644e-01 1.08751e-01 32 2011 7 8.93687e-01 1.75090e-01 23 2011 8 1.83705e+00 7.05053e-01 22 2011 9 1.84425e+00 2.94100e-01 11 2011 10 1.87243e+00 7.98437e-01 132 2011 11 1.42697e+00 7.57043e-01 117 2011 12 1.04673e+00 5.33613e-01 99 2012 1 1.88766e+00 1.24580e+00 121 2012 2 1.84742e+00 2.66939e-01 44 2012 3 nan nan 0 2012 4 1.56384e+00 1.66174e-01 16 2012 5 1.27322e+00 2.69803e-01 16 2012 6 8.55250e-01 1.14761e-02 12 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 3.36148e+00 7.02663e-01 19 2012 11 1.59717e+00 6.40604e-01 141 2012 12 1.76368e+00 1.16894e+00 83 2013 1 1.36628e+00 2.26514e-01 61 2013 2 1.04547e+00 6.70869e-02 35 2013 3 4.60408e+00 3.15378e-01 30 2013 4 nan nan 0 2013 5 2.26800e+00 4.89333e-02 4 2013 6 7.80825e-01 6.04790e-02 16 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 2.80729e+00 7.88692e-01 15 2013 10 2.22145e+00 8.96398e-01 52 2013 11 2.63483e+00 1.15854e+00 74 2013 12 3.23218e+00 8.86818e-01 54 2014 1 nan nan 0 2014 2 2.42622e+00 6.82078e-01 63 2014 3 3.76363e+00 9.87717e-01 30 2014 4 4.38441e+00 6.49437e-01 29 2014 5 nan nan 0 2014 6 3.41150e+00 2.54498e-01 8 2014 7 4.48498e+00 6.12255e-01 10 2014 8 nan nan 0 2014 9 1.45071e+00 2.42102e-01 29 2014 10 2.72209e+00 1.12700e+00 155 2014 11 2.06740e+00 8.16710e-01 115 2014 12 1.57549e+00 6.98853e-01 109 2015 1 2.58399e+00 1.18070e+00 53 2015 2 2.58462e+00 9.30242e-01 97 2015 3 1.57278e+00 3.98460e-01 32 2015 4 nan nan 0 2015 5 1.70561e+00 1.88235e-01 19 2015 6 2.05138e+00 1.08878e+00 47 2015 7 1.54012e+00 2.86645e-01 27 2015 8 1.86609e+00 4.21810e-01 30 2015 9 2.42718e+00 1.10666e+00 35 2015 10 1.78063e+00 1.03903e+00 21 2015 11 4.95200e+00 0.00000e+00 2 2015 12 nan nan 0 2016 1 4.00167e+00 2.36702e+00 3 2016 2 4.12699e+00 6.13742e-01 39 2016 3 2.65911e+00 4.49559e-01 19 2016 4 3.46399e+00 3.43434e-01 16 2016 5 nan nan 0 2016 6 1.49252e+00 7.72077e-01 29 2016 7 1.31870e+00 3.32117e-02 18 2016 8 3.24400e+00 8.25022e-02 5 2016 9 2.06755e+00 8.38590e-01 40 2016 10 1.45200e+00 4.17592e-01 67 2016 11 1.39376e+00 5.08712e-01 94 2016 12 2.14069e+00 3.92082e-01 50 2017 1 3.89086e+00 1.39647e+00 27 2017 2 3.56125e+00 7.46234e-01 97 2017 3 2.65137e+00 1.31844e+00 68 2017 4 2.50300e+00 1.01089e+00 50 2017 5 1.27252e+00 1.65181e-01 32 2017 6 1.42666e+00 2.94693e-01 19 2017 7 3.77319e+00 4.54243e-01 14 2017 8 2.25717e+00 1.52744e+00 23 2017 9 1.95655e+00 2.10597e-01 21 2017 10 2.68689e+00 1.07342e+00 64 2017 11 1.53647e+00 5.68348e-01 146 2017 12 1.89216e+00 1.01759e+00 68 2018 1 9.85496e-01 3.17659e-01 142 2018 2 1.41412e+00 4.77028e-01 16 2018 3 2.63857e+00 4.15745e-01 89 2018 4 2.74888e+00 9.29248e-01 70 2018 5 1.64945e+00 5.67205e-01 16 2018 6 2.11159e+00 8.47220e-02 14 2018 7 6.39000e-01 0.00000e+00 1 2018 8 2.63060e+00 1.78000e-01 4 2018 9 2.12455e+00 4.74078e-01 17 2018 10 2.29825e+00 2.08802e+00 30 2018 11 nan nan 0 2018 12 2.14342e+00 1.32262e+00 8 2019 1 nan nan 0 2019 2 2.92376e+00 3.82917e-01 16 2019 3 2.72820e+00 5.94514e-01 73 2019 4 2.21079e+00 7.88214e-01 24 2019 5 1.86350e+00 7.59058e-01 56 2019 6 1.88309e+00 2.63353e-01 17 2019 7 nan nan 0 2019 8 nan nan 0 2019 9 1.51090e+00 8.40999e-01 48 2019 10 1.49403e+00 2.24562e-01 44 2019 11 2.85074e+00 6.98433e-01 48 2019 12 1.06756e+00 1.43958e-01 48 2020 1 3.77210e+00 5.84425e-01 20 2020 2 3.49918e+00 1.41809e+00 32 2020 3 3.75209e+00 5.86211e-01 48 2020 4 4.10408e+00 6.48631e-01 5 2020 5 nan nan 0 2020 6 2.16905e+00 1.86180e-01 16 2020 7 1.75092e+00 8.03916e-02 13 2020 8 4.12080e+00 5.25617e-01 4 2020 9 nan nan 0 2020 10 3.34623e+00 1.45586e-01 6 2020 11 3.13922e+00 7.21211e-01 31 2020 12 2.16072e+00 4.69860e-01 49 2021 1 nan nan 0 2021 2 2.95075e+00 3.19810e-01 20 2021 3 3.32778e+00 9.01136e-01 40 2021 4 3.29842e+00 2.37345e-01 16 2021 5 2.83145e+00 9.49122e-01 46 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 3.71535e+00 6.50903e-01 16 2021 9 1.77097e+00 3.77133e-01 16 2021 10 2.86585e+00 9.56281e-01 36 2021 11 2.39827e+00 5.96183e-01 98 2021 12 2.27143e+00 2.32716e-01 40 2022 1 1.94097e+00 2.64657e-01 53 2022 2 1.09890e+00 4.73445e-01 72 2022 3 1.00385e+00 1.39193e-01 69 2022 4 2.31397e+00 5.43167e-01 16 2022 5 1.81812e+00 7.49422e-01 44 2022 6 1.62981e+00 2.69395e-01 26 2022 7 3.03600e+00 6.41938e-01 8 2022 8 2.08073e+00 6.66089e-01 30 2022 9 3.13822e+00 1.35343e+00 26 2022 10 1.52777e+00 4.92326e-01 132 2022 11 2.00226e+00 9.33045e-01 76 2022 12 1.32725e+00 7.04008e-01 84 2023 1 1.95500e+00 8.70871e-01 109 2023 2 2.16992e+00 5.80660e-01 82 2023 3 2.36167e+00 6.96770e-01 41 2023 4 2.59982e+00 8.53580e-01 32 2023 5 1.94328e+00 3.49243e-01 32 2023 6 nan nan 0 2023 7 4.71805e+00 5.35639e-01 4 2023 8 2.05427e+00 1.20675e-01 15 2023 9 2.30064e+00 1.06850e+00 31 2023 10 1.20580e+00 6.26856e-01 92 2023 11 1.90636e+00 1.04572e+00 82 2023 12 1.73087e+00 8.26851e-01 38 2024 1 1.81035e+00 6.49732e-01 48 2024 2 4.15388e+00 5.21591e-01 32 2024 3 3.49158e+00 8.99657e-01 33 2024 4 nan nan 0