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 2.04365e+01 1.09038e+01 33 2002 8 1.22315e+01 8.48909e+00 52 2002 9 7.96154e+00 1.16227e+01 45 2002 10 1.71387e+00 2.19863e+00 47 2002 11 8.31450e-08 2.49393e-07 27 2002 12 5.41807e-01 8.42334e-01 44 2003 1 1.06419e-01 3.26436e-01 199 2003 2 1.15700e-01 1.75778e-01 96 2003 3 3.04886e-06 6.12458e-06 64 2003 4 4.34077e-08 1.14014e-07 62 2003 5 nan nan 0 2003 6 7.44653e-03 1.96080e-03 16 2003 7 2.51066e-07 3.57850e-07 16 2003 8 2.12820e-05 2.87525e-05 43 2003 9 1.15116e-02 1.67102e-02 64 2003 10 3.15243e+00 5.54188e+00 94 2003 11 5.28314e-02 1.38174e-01 170 2003 12 7.32493e-02 1.09492e-01 112 2004 1 3.31203e-01 4.61866e-01 94 2004 2 1.06320e-01 1.80347e-01 64 2004 3 4.20375e-01 1.15905e+00 149 2004 4 nan nan 0 2004 5 2.23714e+00 2.06881e+00 31 2004 6 2.92491e-01 4.47625e-02 16 2004 7 6.24531e-04 7.66159e-05 7 2004 8 3.82099e+00 4.38363e+00 34 2004 9 1.50945e-01 3.27907e-01 112 2004 10 6.64765e+00 9.60372e+00 59 2004 11 1.30592e-03 1.88098e-03 32 2004 12 3.13085e-03 6.11321e-03 96 2005 1 6.03210e-01 1.40749e+00 110 2005 2 3.91628e-02 4.79072e-02 80 2005 3 3.43509e-02 2.16464e-01 74 2005 4 3.24805e-03 5.91439e-03 48 2005 5 1.00552e-07 1.32693e-07 27 2005 6 1.24284e-01 1.12646e-01 48 2005 7 1.74188e+00 7.42713e-01 16 2005 8 5.24730e-02 4.91658e-02 28 2005 9 9.34913e-01 1.61194e+00 4 2005 10 4.16279e+00 7.10510e+00 152 2005 11 1.39236e+00 2.37247e+00 109 2005 12 1.27620e-01 3.14655e-01 108 2006 1 2.03204e-02 1.97863e-02 127 2006 2 8.05942e-02 1.71146e-01 135 2006 3 1.99711e-01 2.56545e-01 147 2006 4 9.71402e-02 4.79038e-02 27 2006 5 4.01468e-01 4.77273e-01 48 2006 6 1.73320e+00 3.40502e+00 32 2006 7 1.86915e+01 1.40588e+00 16 2006 8 1.89410e+00 5.70442e-01 16 2006 9 3.10345e+00 5.77669e+00 103 2006 10 6.02926e-01 6.89202e-01 93 2006 11 5.79590e-01 1.09550e+00 185 2006 12 1.06024e+00 2.04687e+00 135 2007 1 3.58542e-04 8.16728e-04 32 2007 2 5.38404e-02 7.83543e-02 150 2007 3 2.80082e+00 4.88253e+00 77 2007 4 4.12803e-01 8.21492e-01 34 2007 5 7.13162e-02 1.33326e-01 38 2007 6 6.11150e+00 5.64177e-01 16 2007 7 3.64858e+00 3.57328e+00 32 2007 8 8.10691e-01 6.63506e-01 32 2007 9 8.52611e+00 1.06172e+01 70 2007 10 7.04656e+00 1.02988e+01 135 2007 11 4.64513e-01 8.58745e-01 102 2007 12 1.94574e+00 4.07058e+00 92 2008 1 2.19852e-03 4.94402e-03 93 2008 2 1.09986e-03 1.18899e-02 142 2008 3 2.09571e-01 8.39356e-01 36 2008 4 3.77748e-03 4.63303e-03 43 2008 5 2.79003e-01 6.82179e-02 14 2008 6 nan nan 0 2008 7 nan nan 0 2008 8 1.49525e+00 1.17961e+00 43 2008 9 1.74692e+01 1.08193e+01 32 2008 10 6.49427e-01 9.72783e-01 149 2008 11 4.89662e+00 5.41666e+00 95 2008 12 7.21208e-01 8.99588e-01 94 2009 1 9.41428e-02 2.31172e-01 101 2009 2 8.76447e-02 1.55013e-01 59 2009 3 1.39871e-01 2.26859e-01 84 2009 4 5.30055e-03 1.34896e-02 32 2009 5 1.21681e-02 2.26399e-03 16 2009 6 3.74825e-04 3.11895e-04 25 2009 7 3.54369e-01 2.20284e-01 16 2009 8 3.15291e-03 3.77476e-03 18 2009 9 nan nan 0 2009 10 2.92942e-01 6.44765e-01 111 2009 11 4.36908e-02 1.41253e-01 85 2009 12 9.20910e-12 0.00000e+00 1 2010 1 1.11225e-04 2.94596e-04 128 2010 2 3.03279e-09 1.71427e-08 33 2010 3 2.03713e-03 3.97287e-03 75 2010 4 3.10661e-03 2.91926e-03 32 2010 5 nan nan 0 2010 6 1.29964e+00 2.05109e+00 45 2010 7 8.92800e+00 8.52068e+00 54 2010 8 nan nan 0 2010 9 3.03870e-01 4.92139e-01 68 2010 10 5.75063e+00 1.02530e+01 126 2010 11 1.87638e+00 1.95431e+00 79 2010 12 3.61534e-01 2.40385e-01 166 2011 1 3.15731e-01 3.65828e-01 137 2011 2 2.56854e-01 3.48541e-01 148 2011 3 2.79081e-01 4.65870e-01 107 2011 4 1.25150e-01 1.61204e-01 46 2011 5 1.61904e+00 1.54982e+00 40 2011 6 4.44570e+00 3.07530e+00 27 2011 7 5.08899e+00 4.15066e+00 52 2011 8 3.16727e+00 5.29352e+00 74 2011 9 2.93574e+00 3.34029e+00 82 2011 10 7.09885e-01 1.06992e+00 112 2011 11 9.75381e+00 1.03864e+01 143 2011 12 3.38901e+00 5.77097e+00 108 2012 1 9.07238e-01 1.41133e+00 108 2012 2 2.99599e-02 2.50654e-02 13 2012 3 nan nan 0 2012 4 1.01518e-01 3.50788e-02 16 2012 5 1.08156e+00 6.51811e-01 21 2012 6 6.18392e+00 5.64086e+00 19 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 1.63480e+00 3.00405e+00 70 2012 11 1.27591e+00 2.53301e+00 94 2012 12 7.36903e-01 1.04695e+00 142 2013 1 8.22898e-01 1.30801e+00 87 2013 2 6.02686e-01 8.19917e-01 64 2013 3 1.76295e-12 2.12133e-12 16 2013 4 8.23506e-07 1.21953e-06 16 2013 5 5.69242e-01 3.30433e-01 23 2013 6 1.38241e+01 1.17338e+01 32 2013 7 nan nan 0 2013 8 6.89762e-07 8.39041e-07 18 2013 9 2.59336e-02 8.42815e-02 68 2013 10 8.34181e-02 1.56902e-01 104 2013 11 3.98055e-01 1.00460e+00 126 2013 12 1.22117e+01 1.22207e+01 32 2014 1 1.59250e-05 2.13451e-05 112 2014 2 2.75970e-01 6.57934e-01 120 2014 3 1.89197e-05 3.13803e-05 77 2014 4 2.13272e-05 1.33713e-04 60 2014 5 8.12599e-10 1.69840e-09 27 2014 6 9.82367e+00 1.37785e+01 48 2014 7 3.23361e-03 1.32152e-03 17 2014 8 1.03912e+01 1.17748e+01 10 2014 9 1.45376e+01 1.80455e+01 44 2014 10 3.69587e+00 9.45273e+00 165 2014 11 1.09890e-01 2.36450e-01 121 2014 12 2.58009e+00 6.54706e+00 125 2015 1 5.68468e-03 1.61020e-02 168 2015 2 2.84606e-03 4.30386e-03 140 2015 3 3.62712e+00 4.90048e+00 64 2015 4 3.04355e+00 4.54103e+00 30 2015 5 7.31850e-01 1.82737e+00 64 2015 6 5.96810e-02 6.06274e-02 58 2015 7 4.42496e-01 3.91626e-01 32 2015 8 5.98427e+00 6.20428e+00 33 2015 9 4.37732e-01 1.36122e-01 16 2015 10 1.11583e-02 6.63628e-02 41 2015 11 3.12817e-01 3.52306e-01 32 2015 12 2.04238e-04 2.91247e-04 6 2016 1 1.04083e-03 1.76375e-03 23 2016 2 3.39436e-05 7.97749e-05 177 2016 3 1.03900e-03 2.18050e-03 109 2016 4 5.54360e-12 3.14034e-12 16 2016 5 nan nan 0 2016 6 6.18073e+00 5.50652e+00 48 2016 7 4.72562e+00 3.27167e+00 48 2016 8 2.66882e-02 4.30483e-02 64 2016 9 3.57066e+00 9.04388e+00 57 2016 10 3.16076e+00 4.69666e+00 104 2016 11 5.05342e-01 6.74088e-01 100 2016 12 1.23120e+00 2.85910e+00 169 2017 1 5.49859e-08 1.03444e-07 54 2017 2 2.26439e-04 6.87089e-04 168 2017 3 1.67722e-02 1.00158e-01 49 2017 4 2.40701e-01 6.88983e-01 40 2017 5 3.58286e+00 7.58375e+00 39 2017 6 2.23705e+00 9.41666e-01 19 2017 7 1.92245e-01 2.30247e-01 56 2017 8 7.11620e-02 3.07173e-02 32 2017 9 9.93069e+00 1.70059e+01 61 2017 10 3.39892e+00 6.16898e+00 84 2017 11 1.39426e+00 3.44276e+00 164 2017 12 3.86419e+00 6.62741e+00 64 2018 1 6.41628e-01 7.47295e-01 152 2018 2 6.16734e-01 1.84870e+00 36 2018 3 1.67055e-02 1.03694e-01 66 2018 4 2.71801e+00 5.13761e+00 73 2018 5 6.86857e-01 0.00000e+00 1 2018 6 9.20427e-01 9.22042e-01 32 2018 7 2.03032e+01 1.35443e+01 32 2018 8 7.09765e-01 8.10072e-01 36 2018 9 1.41733e+01 1.68698e+01 55 2018 10 7.99769e+00 1.06076e+01 100 2018 11 9.74253e-05 1.27618e-04 32 2018 12 9.82544e-03 1.05398e-02 50 2019 1 3.06752e-04 1.03886e-03 112 2019 2 4.39987e-02 4.44706e-02 32 2019 3 4.04201e-03 1.12264e-02 99 2019 4 9.87126e-03 2.75328e-03 16 2019 5 1.14659e-01 1.99096e-01 26 2019 6 nan nan 0 2019 7 6.71836e+00 5.01304e+00 5 2019 8 3.04791e-04 3.77820e-04 5 2019 9 4.60359e+00 7.63524e+00 66 2019 10 2.10522e+00 3.25044e+00 17 2019 11 1.57844e-03 4.03070e-03 31 2019 12 7.51701e-01 1.13407e+00 54 2020 1 5.09245e-02 5.38692e-02 32 2020 2 4.78665e-03 4.44591e-03 48 2020 3 2.60305e-04 1.55412e-03 71 2020 4 3.97051e-04 7.32803e-05 16 2020 5 6.35822e-03 1.09787e-02 62 2020 6 1.18882e+00 1.09652e+00 19 2020 7 1.22856e+01 2.42124e+01 22 2020 8 nan nan 0 2020 9 3.41565e-13 1.05570e-13 16 2020 10 6.85230e-03 9.15255e-03 52 2020 11 2.08722e+01 2.75581e+01 22 2020 12 9.38950e-01 2.05333e+00 63 2021 1 5.74699e-05 2.23992e-05 16 2021 2 7.78267e-04 1.32805e-03 104 2021 3 2.21468e-02 1.29998e-01 128 2021 4 5.01857e-05 8.22035e-05 51 2021 5 4.17959e-02 6.48521e-02 46 2021 6 1.22774e-02 1.17338e-02 15 2021 7 9.71539e-06 2.42882e-05 48 2021 8 1.60201e+01 1.46497e+01 22 2021 9 9.19213e-01 1.43903e+00 47 2021 10 1.20691e-02 1.61989e-02 25 2021 11 2.88877e-02 5.86332e-02 79 2021 12 1.58157e+00 2.23641e+00 67 2022 1 1.73547e+00 5.74543e+00 122 2022 2 5.67601e-01 1.15279e+00 78 2022 3 9.56030e-01 1.16819e+00 186 2022 4 2.71637e-01 1.96456e-01 13 2022 5 nan nan 0 2022 6 2.11496e+00 3.00564e+00 57 2022 7 3.36529e+00 6.06940e+00 66 2022 8 8.50266e+00 7.89796e+00 47 2022 9 1.02099e+01 1.74890e+01 63 2022 10 1.73800e-01 2.49811e-01 107 2022 11 6.16525e+00 8.26184e+00 79 2022 12 4.29694e+00 7.24422e+00 83 2023 1 1.10539e+00 2.02954e+00 132 2023 2 7.25248e-01 2.11764e+00 144 2023 3 1.15296e+00 1.87335e+00 64 2023 4 1.53616e-04 4.73006e-04 31 2023 5 1.23236e+01 9.80131e+00 32 2023 6 nan nan 0 2023 7 2.99102e-02 2.29878e-02 20 2023 8 7.55021e-01 9.86979e-01 57 2023 9 6.68098e+00 1.44604e+01 38 2023 10 6.56205e+00 8.46937e+00 173 2023 11 4.49049e+00 6.72405e+00 104 2023 12 2.05077e-01 2.24888e-01 49 2024 1 6.85411e-03 1.20169e-02 77 2024 2 7.66190e-02 1.43606e-01 81 2024 3 1.45153e-02 5.29712e-02 35 2024 4 nan nan 0