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 4.27330e-03 7.15597e-03 16 2002 8 1.85033e+00 5.08171e-01 16 2002 9 nan nan 0 2002 10 3.66624e+00 6.02594e+00 68 2002 11 1.36797e-02 1.98274e-02 79 2002 12 1.14943e-01 1.39724e-01 96 2003 1 4.96378e-01 6.41640e-01 147 2003 2 1.78111e+00 1.39871e+00 96 2003 3 7.93966e-04 3.36195e-04 15 2003 4 1.95431e-01 2.36410e-01 42 2003 5 nan nan 0 2003 6 5.82087e-03 5.51013e-03 12 2003 7 2.30609e-06 5.41294e-06 16 2003 8 nan nan 0 2003 9 3.42265e-03 4.96043e-03 15 2003 10 3.01444e-05 5.47486e-05 17 2003 11 2.67619e+00 4.74125e+00 132 2003 12 1.58355e-01 1.18545e-01 91 2004 1 1.61256e+00 7.32730e-01 48 2004 2 5.36467e+00 5.85443e+00 48 2004 3 2.13789e-01 4.48134e-01 51 2004 4 2.78635e+00 3.80663e+00 48 2004 5 6.06270e+00 4.35804e+00 48 2004 6 nan nan 0 2004 7 8.21922e+00 2.81649e+00 19 2004 8 3.16475e+00 2.43710e+00 52 2004 9 4.57197e+00 1.89165e+00 9 2004 10 1.67712e-02 1.92412e-02 71 2004 11 3.00181e-01 3.15473e-01 34 2004 12 4.41777e-01 6.30014e-01 80 2005 1 3.00919e+00 5.18164e+00 117 2005 2 2.80273e+00 2.19201e+00 62 2005 3 3.57313e-01 4.53956e-01 130 2005 4 1.60251e-01 9.87176e-02 37 2005 5 1.11580e-03 2.21222e-03 22 2005 6 3.35021e-04 2.59887e-04 13 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 1.53357e+01 3.98817e-01 11 2005 10 3.05741e+00 3.61123e+00 70 2005 11 2.26351e+00 2.30621e+00 102 2005 12 7.75806e-01 4.14057e-01 37 2006 1 1.30715e+00 9.80115e-01 108 2006 2 1.36737e+00 8.07220e-01 100 2006 3 1.50620e+00 1.50183e+00 97 2006 4 2.87996e+00 2.73997e+00 76 2006 5 1.83840e+00 1.68223e+00 56 2006 6 9.93074e+00 1.30981e+00 16 2006 7 4.53347e+00 4.64962e-01 16 2006 8 7.34552e+00 2.53597e+00 18 2006 9 1.68639e+00 2.56910e+00 55 2006 10 6.16649e-01 6.23494e-01 71 2006 11 1.76201e+00 2.50973e+00 118 2006 12 6.19725e+00 4.57064e+00 108 2007 1 4.12493e-02 4.86686e-02 64 2007 2 1.27287e+00 2.16831e+00 104 2007 3 1.59729e+00 1.52947e+00 110 2007 4 2.38148e+00 2.07429e+00 86 2007 5 6.96369e+00 1.91916e+00 31 2007 6 5.85591e+00 7.30847e-01 15 2007 7 6.11082e-01 5.93480e-01 8 2007 8 2.09702e+00 0.00000e+00 1 2007 9 3.31516e-01 4.68334e-01 17 2007 10 4.20187e-02 1.66473e-02 16 2007 11 3.64525e+00 6.08548e+00 144 2007 12 2.46089e+00 2.37980e+00 32 2008 1 1.93798e+00 2.25872e+00 105 2008 2 8.83954e-01 5.23313e-01 159 2008 3 3.87179e-02 4.58590e-02 102 2008 4 9.99047e-01 6.17689e-01 64 2008 5 2.15937e+00 1.89057e+00 42 2008 6 4.03486e+00 1.95661e+00 16 2008 7 4.28691e+00 4.55391e+00 16 2008 8 nan nan 0 2008 9 7.37842e-01 2.26753e+00 31 2008 10 1.19336e+00 1.77583e+00 100 2008 11 7.95457e-01 9.07863e-01 147 2008 12 2.50948e+00 5.31076e+00 95 2009 1 1.44624e+00 3.60778e+00 121 2009 2 1.62473e+00 1.41980e+00 144 2009 3 2.78657e+00 2.20986e+00 84 2009 4 5.57825e-05 1.66334e-04 15 2009 5 6.83508e-01 1.34651e+00 30 2009 6 1.82194e+00 1.41909e+00 26 2009 7 nan nan 0 2009 8 1.40123e+00 1.56918e+00 35 2009 9 3.38258e-02 3.92788e-02 46 2009 10 2.11214e-02 6.85851e-02 63 2009 11 1.64858e-01 2.14070e-01 57 2009 12 7.44721e-10 6.53811e-10 8 2010 1 1.25943e-02 1.81290e-02 96 2010 2 3.11291e-02 3.58758e-02 46 2010 3 2.55109e-02 6.26930e-02 102 2010 4 2.42433e-01 7.26283e-01 21 2010 5 1.25675e+00 4.76987e+00 47 2010 6 3.76767e+00 2.48549e+00 55 2010 7 2.28751e+00 2.21449e+00 31 2010 8 6.64937e-01 1.49160e-01 15 2010 9 3.27664e+00 5.41563e+00 86 2010 10 3.62388e+00 5.62108e+00 130 2010 11 3.39435e+00 3.50574e+00 126 2010 12 2.65716e+00 1.63088e+00 147 2011 1 8.89984e-01 1.08050e+00 119 2011 2 6.14573e-01 7.90554e-01 122 2011 3 3.22456e-01 4.24539e-01 114 2011 4 6.30616e-01 8.97172e-01 67 2011 5 1.78061e+00 1.86868e+00 65 2011 6 1.14765e+00 9.83552e-02 16 2011 7 7.97323e-01 6.51426e-01 48 2011 8 1.93295e-01 4.74853e-01 43 2011 9 4.81883e+00 5.39194e+00 82 2011 10 2.35894e+00 1.59536e+00 159 2011 11 3.01999e+00 2.28697e+00 114 2011 12 3.15989e+00 2.23032e+00 106 2012 1 3.16972e+00 2.27896e+00 129 2012 2 7.92275e-01 1.90329e-01 17 2012 3 2.56770e+00 4.08437e+00 137 2012 4 4.28617e+00 4.62425e+00 34 2012 5 5.36071e+00 1.03002e+00 11 2012 6 4.22322e-02 7.93934e-02 17 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 8.86248e+00 7.00189e+00 15 2012 10 3.12542e+00 5.76899e+00 57 2012 11 1.08288e+00 1.65827e+00 146 2012 12 4.56936e+00 4.25972e+00 69 2013 1 1.57225e+00 1.25719e+00 60 2013 2 1.67572e+00 7.81750e-01 49 2013 3 2.70237e-01 5.16227e-01 97 2013 4 1.16722e-01 9.79381e-02 32 2013 5 8.33973e-01 9.94524e-01 32 2013 6 4.18756e-03 7.71363e-03 12 2013 7 1.63210e+00 1.45559e-01 6 2013 8 6.45910e-02 1.00034e-01 14 2013 9 3.64832e-02 5.00447e-02 27 2013 10 3.33916e+00 7.96737e+00 70 2013 11 2.27593e+00 5.37734e+00 76 2013 12 6.47392e-01 6.78912e-01 43 2014 1 6.93350e-03 1.76865e-02 72 2014 2 5.09386e+00 6.40198e+00 93 2014 3 1.77536e-01 8.34097e-01 48 2014 4 7.77769e-02 6.15679e-02 18 2014 5 2.07745e-12 0.00000e+00 1 2014 6 2.36439e+00 3.09689e-01 14 2014 7 3.16703e+00 3.54921e+00 44 2014 8 5.31403e+00 4.77668e+00 29 2014 9 1.80221e+00 1.87629e+00 42 2014 10 4.36656e+00 7.60188e+00 151 2014 11 8.27587e-01 9.39558e-01 130 2014 12 7.49753e-01 4.80559e-01 91 2015 1 4.95209e-02 1.22425e-01 97 2015 2 2.63750e-03 4.91708e-03 87 2015 3 1.22933e+00 2.92599e+00 79 2015 4 6.07027e-01 7.36513e-01 13 2015 5 2.10544e+00 2.23877e+00 71 2015 6 3.63722e+00 1.19826e+00 14 2015 7 3.42063e-01 2.34559e-01 17 2015 8 nan nan 0 2015 9 5.21858e-02 5.25256e-02 20 2015 10 1.56638e+00 4.89090e+00 59 2015 11 4.47749e+00 1.20339e+00 32 2015 12 nan nan 0 2016 1 2.51647e-05 5.62299e-05 67 2016 2 3.64957e-01 1.09530e+00 204 2016 3 1.16051e+00 8.22966e-01 79 2016 4 2.54247e-05 4.59472e-05 15 2016 5 nan nan 0 2016 6 4.54187e+00 4.49171e+00 82 2016 7 1.43250e+01 5.58052e+00 53 2016 8 4.86766e-02 1.92376e-01 20 2016 9 2.48309e-02 1.22885e-02 18 2016 10 1.89159e-01 2.56737e-01 105 2016 11 1.14875e+00 7.99695e-01 115 2016 12 4.68761e+00 4.53121e+00 162 2017 1 1.52392e+00 1.38319e+00 80 2017 2 9.04802e-01 9.93005e-01 150 2017 3 1.90816e+00 8.75093e-01 88 2017 4 3.29797e+00 1.24842e+00 64 2017 5 3.56312e+00 2.45979e+00 48 2017 6 nan nan 0 2017 7 nan nan 0 2017 8 7.46029e-01 8.93873e-01 39 2017 9 4.06019e+00 8.24332e+00 55 2017 10 1.32494e+00 1.37258e+00 52 2017 11 2.03750e+00 1.37606e+00 148 2017 12 6.82173e+00 8.01505e+00 73 2018 1 7.62995e+00 6.73239e+00 150 2018 2 3.23910e+00 2.05816e+00 58 2018 3 3.51333e+00 2.50179e+00 131 2018 4 5.34843e+00 3.25085e+00 111 2018 5 7.02358e+00 4.86997e+00 50 2018 6 8.87495e-01 1.01282e+00 31 2018 7 1.24251e+00 6.21770e-01 18 2018 8 5.20388e-01 1.23936e-01 16 2018 9 5.54636e+00 7.76412e+00 38 2018 10 1.58413e-01 2.93816e-01 105 2018 11 6.07909e-03 9.80490e-03 54 2018 12 8.61318e-02 1.69613e-01 106 2019 1 1.25531e-02 1.84946e-02 99 2019 2 1.41073e-02 1.11370e-02 32 2019 3 2.01080e-02 1.63240e-02 46 2019 4 8.17922e-01 6.94242e-01 64 2019 5 1.22511e+01 2.60869e+01 53 2019 6 1.80681e+01 3.11806e+00 3 2019 7 5.90781e+00 1.21308e+00 16 2019 8 6.46193e-02 6.10510e-02 11 2019 9 3.04735e-01 2.55099e-01 86 2019 10 9.21698e-01 7.74828e-01 61 2019 11 1.81606e+00 5.32268e+00 86 2019 12 4.09393e+00 9.77984e-01 23 2020 1 1.63062e+00 1.69756e+00 64 2020 2 4.45290e-01 6.87100e-01 109 2020 3 2.55631e-02 3.83824e-02 79 2020 4 3.83043e-01 3.76938e-01 62 2020 5 3.58546e-01 5.26033e-01 48 2020 6 3.27788e-04 4.07969e-04 6 2020 7 nan nan 0 2020 8 3.61016e+00 2.38147e+00 33 2020 9 6.40571e-03 1.99085e-03 16 2020 10 3.62179e-04 5.85023e-04 42 2020 11 2.36929e-02 6.54522e-02 98 2020 12 1.61953e-01 1.90452e-01 133 2021 1 9.23470e-01 1.20854e+00 46 2021 2 2.68249e-01 6.41101e-01 99 2021 3 1.59295e-02 1.63249e-02 85 2021 4 2.19287e-01 2.51620e-01 60 2021 5 5.59020e-01 8.40923e-01 32 2021 6 nan nan 0 2021 7 2.40771e-01 4.77113e-01 18 2021 8 2.96533e-02 2.12386e-02 16 2021 9 2.12518e+01 1.43985e+01 9 2021 10 2.41566e+00 2.80592e+00 6 2021 11 1.48682e-01 7.28997e-01 83 2021 12 5.53479e+00 9.03993e+00 59 2022 1 1.52355e+00 2.56009e+00 136 2022 2 2.18713e+00 1.28522e+00 80 2022 3 8.16547e-01 8.72410e-01 84 2022 4 nan nan 0 2022 5 1.18250e+00 5.72703e-02 16 2022 6 2.96468e+00 2.74547e+00 33 2022 7 1.24691e-01 1.10296e-01 24 2022 8 1.11621e+00 1.28761e+00 20 2022 9 2.43588e-03 3.24681e-03 16 2022 10 6.84383e-01 1.03137e+00 123 2022 11 3.38087e+00 2.93377e+00 66 2022 12 3.83667e+00 4.64272e+00 176 2023 1 3.07937e+00 2.29103e+00 178 2023 2 2.01583e+00 2.71611e+00 166 2023 3 3.92754e+00 2.52240e+00 67 2023 4 1.93558e+00 1.68820e+00 64 2023 5 5.44865e+00 2.77412e+00 40 2023 6 1.31001e+01 6.95311e+00 16 2023 7 4.21737e+00 4.24499e+00 32 2023 8 8.18536e-01 6.44889e-01 16 2023 9 1.23886e+00 1.65184e+00 58 2023 10 3.42888e+00 7.45078e+00 127 2023 11 3.62431e+00 6.37140e+00 101 2023 12 1.00890e+00 7.84721e-01 22 2024 1 4.16929e-01 5.76107e-01 55 2024 2 3.23800e-01 4.28227e-01 124 2024 3 4.47339e-04 7.79863e-04 64 2024 4 nan nan 0