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 1.63248e+01 4.68518e-01 16 2002 8 6.41176e+00 7.28477e+00 28 2002 9 1.45256e+00 1.31994e+00 50 2002 10 1.73617e+00 7.91979e+00 30 2002 11 1.87771e-01 1.23803e-01 10 2002 12 1.04302e+00 1.51539e+00 68 2003 1 5.33132e+00 1.42279e+01 137 2003 2 4.44059e+00 1.75933e+00 103 2003 3 nan nan 0 2003 4 1.67695e-02 1.22599e-02 32 2003 5 nan nan 0 2003 6 6.38383e-01 2.15253e-01 16 2003 7 nan nan 0 2003 8 2.64266e-01 4.39552e-01 16 2003 9 2.37336e+00 4.48198e+00 65 2003 10 9.18434e+00 1.79513e+01 172 2003 11 4.18417e+00 2.60071e+00 163 2003 12 2.51169e+00 2.32700e+00 129 2004 1 3.15534e+00 3.39596e+00 61 2004 2 1.35802e+00 1.57853e+00 65 2004 3 1.89171e+00 5.75793e+00 117 2004 4 2.88203e+00 3.62147e+00 48 2004 5 5.06813e+00 3.65236e+00 48 2004 6 nan nan 0 2004 7 1.04639e+00 2.85265e+00 28 2004 8 1.34051e+00 3.96397e-01 16 2004 9 4.84571e+00 1.36109e+01 86 2004 10 8.90552e-01 9.39476e-01 72 2004 11 3.95445e-01 1.11822e+00 60 2004 12 2.06710e-01 3.15502e-01 77 2005 1 2.63780e-01 4.04573e-01 68 2005 2 2.70555e+00 2.79180e+00 80 2005 3 1.02198e+00 7.35121e-01 113 2005 4 nan nan 0 2005 5 nan nan 0 2005 6 1.73300e-01 5.10192e-02 32 2005 7 3.60836e-01 2.96513e-01 39 2005 8 nan nan 0 2005 9 3.06925e-01 2.88669e-01 29 2005 10 7.42679e+00 9.46290e+00 164 2005 11 7.50646e+00 8.80831e+00 150 2005 12 3.43563e-01 3.15178e-01 58 2006 1 1.51347e+00 1.75099e+00 77 2006 2 9.81684e-01 1.28265e+00 138 2006 3 2.27246e+00 2.07702e+00 160 2006 4 7.99835e+00 5.60258e+00 54 2006 5 2.99943e+00 1.85235e+00 112 2006 6 5.51578e+00 8.59393e+00 26 2006 7 1.54601e+01 5.21349e+00 24 2006 8 4.60276e+00 5.91920e-01 25 2006 9 2.95866e+00 1.63470e+00 89 2006 10 5.85530e+00 3.90147e+00 146 2006 11 6.50329e+00 6.13186e+00 157 2006 12 9.48320e+00 7.62244e+00 110 2007 1 1.63072e+00 1.78825e+00 66 2007 2 4.30672e+00 2.28555e+00 59 2007 3 6.84612e+00 4.60877e+00 112 2007 4 1.69267e+00 1.66984e+00 80 2007 5 6.87138e+00 3.35962e+00 32 2007 6 1.09406e+00 3.58611e-01 16 2007 7 1.00671e+01 2.23728e+00 20 2007 8 8.35498e+00 2.76444e+00 48 2007 9 6.67582e+00 2.12457e+00 16 2007 10 8.25252e+00 4.52510e+00 70 2007 11 9.53602e+00 1.66203e+01 124 2007 12 4.27690e+00 1.23407e+01 46 2008 1 8.28659e-02 1.14897e-01 58 2008 2 6.60697e-01 1.72866e+00 32 2008 3 1.34452e-01 2.80599e-01 105 2008 4 nan nan 0 2008 5 2.90200e+00 1.13367e+00 18 2008 6 3.55502e+00 4.36351e+00 48 2008 7 6.26559e+00 2.78825e-01 16 2008 8 1.66961e+00 3.98803e+00 46 2008 9 2.78957e+00 3.18648e+00 56 2008 10 8.37416e+00 7.63254e+00 162 2008 11 1.20472e+01 9.63107e+00 205 2008 12 4.81268e+00 5.89485e+00 78 2009 1 2.01918e+00 4.60048e+00 85 2009 2 2.49298e+00 2.92683e+00 108 2009 3 8.34761e+00 5.71457e+00 48 2009 4 2.70684e-01 1.03785e-01 5 2009 5 4.28992e-03 2.50511e-03 3 2009 6 7.01585e-04 1.10050e-03 11 2009 7 nan nan 0 2009 8 1.40723e-01 1.30017e-01 16 2009 9 nan nan 0 2009 10 1.94920e-01 1.64688e-01 32 2009 11 nan nan 0 2009 12 nan nan 0 2010 1 4.10116e-01 4.22197e-01 64 2010 2 8.44443e-01 1.33830e+00 52 2010 3 4.03521e-01 8.01908e-01 74 2010 4 9.36810e-01 7.67938e-01 71 2010 5 6.69493e-01 4.00150e-01 20 2010 6 6.73120e-01 4.34641e-01 72 2010 7 3.46719e+00 3.67100e+00 25 2010 8 nan nan 0 2010 9 4.10590e+00 2.27674e+00 84 2010 10 7.54358e+00 6.88085e+00 214 2010 11 7.67488e+00 4.88173e+00 100 2010 12 4.11896e+00 3.14987e+00 160 2011 1 3.53885e+00 2.35830e+00 179 2011 2 1.36924e+00 8.32015e-01 135 2011 3 1.20068e+00 1.90920e+00 96 2011 4 1.85963e+00 1.40328e+00 66 2011 5 1.17611e+01 4.85968e+00 86 2011 6 8.20864e+00 3.80637e+00 60 2011 7 7.29174e+00 8.56706e+00 64 2011 8 2.34621e+00 1.54687e+00 48 2011 9 3.02572e+00 4.46252e+00 61 2011 10 9.45720e+00 9.21895e+00 157 2011 11 1.25846e+01 3.68707e+00 118 2011 12 1.28848e+01 1.18199e+01 96 2012 1 4.01673e+00 4.47159e+00 165 2012 2 3.18697e+00 2.37995e+00 28 2012 3 1.06771e+01 1.21425e+01 71 2012 4 3.88607e+00 2.37654e+00 81 2012 5 1.99078e+01 6.56650e+00 33 2012 6 5.44093e-01 4.29237e-01 16 2012 7 8.72438e+00 1.39988e+01 36 2012 8 nan nan 0 2012 9 4.98399e-01 4.60976e-01 41 2012 10 3.85713e+00 6.78359e+00 160 2012 11 1.04879e+01 5.63422e+00 164 2012 12 1.44935e+01 8.90607e+00 121 2013 1 9.25086e+00 5.71401e+00 51 2013 2 6.88888e+00 5.64706e+00 88 2013 3 1.54711e+00 2.45879e+00 60 2013 4 3.60734e+00 5.46952e-01 32 2013 5 8.41685e-01 6.66060e-01 35 2013 6 7.57594e+00 5.04046e+00 28 2013 7 nan nan 0 2013 8 1.36137e-05 7.11173e-06 5 2013 9 4.67934e-01 5.56677e-01 25 2013 10 1.20656e+00 1.40023e+00 91 2013 11 3.64304e+00 5.28757e+00 153 2013 12 1.71466e-01 1.72660e-01 59 2014 1 1.94049e-02 1.97151e-02 24 2014 2 2.41192e+00 1.78906e+00 84 2014 3 1.65427e-02 7.43701e-03 16 2014 4 1.85278e-03 3.06258e-03 27 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 3.91756e-01 3.04572e-01 23 2014 8 1.35979e+00 1.71491e-01 16 2014 9 7.26514e+00 6.33782e+00 50 2014 10 8.70354e+00 1.38997e+01 222 2014 11 5.08290e+00 4.10133e+00 174 2014 12 1.17497e+01 1.07746e+01 128 2015 1 1.77016e+00 2.48238e+00 142 2015 2 1.62081e+00 2.79881e+00 150 2015 3 5.22302e+00 4.05030e+00 71 2015 4 1.93869e+00 9.27549e-01 18 2015 5 7.49653e+00 5.87772e+00 37 2015 6 2.70895e+00 4.69679e-01 17 2015 7 8.66014e-01 3.32821e-01 20 2015 8 6.60636e+00 3.09440e+00 55 2015 9 1.75817e+01 8.64512e+00 29 2015 10 1.97110e+00 2.36617e+00 90 2015 11 2.37803e-02 2.35047e-02 28 2015 12 3.50291e-01 2.55497e-01 44 2016 1 6.09249e+00 8.41771e+00 25 2016 2 8.19618e-01 1.49324e+00 107 2016 3 3.58225e-01 4.61024e-01 67 2016 4 nan nan 0 2016 5 4.65350e-01 2.43998e-01 16 2016 6 2.35070e+00 2.21083e+00 39 2016 7 1.08239e+01 1.31247e+01 75 2016 8 5.57308e-02 6.33643e-02 16 2016 9 6.19907e+00 4.73724e+00 64 2016 10 1.14103e+01 1.15284e+01 168 2016 11 1.10254e+01 5.99268e+00 129 2016 12 3.99910e+00 8.51217e+00 74 2017 1 3.23691e-02 5.58116e-02 28 2017 2 6.22280e-02 8.60522e-02 63 2017 3 2.19116e+00 2.47016e+00 95 2017 4 1.22350e+00 1.13202e+00 77 2017 5 5.97423e+00 4.92775e+00 87 2017 6 2.14192e-05 1.28954e-05 6 2017 7 3.98679e-01 2.79963e-01 16 2017 8 nan nan 0 2017 9 3.60262e+00 3.23244e+00 48 2017 10 3.48286e-02 1.17643e-02 16 2017 11 1.11950e+01 1.58999e+01 99 2017 12 1.16430e+01 1.38339e+01 98 2018 1 4.60778e+00 3.84423e+00 147 2018 2 2.77311e+01 2.68321e+01 20 2018 3 3.95664e-01 5.59761e-01 100 2018 4 2.15822e+00 1.65852e+00 97 2018 5 1.47788e+01 6.91723e+00 32 2018 6 3.68450e-01 2.04825e-01 16 2018 7 1.70804e+00 7.96588e-01 18 2018 8 7.33640e-01 6.66653e-01 28 2018 9 6.74641e+00 5.65732e+00 19 2018 10 1.35738e+00 1.36871e+00 101 2018 11 1.24681e+00 1.33974e+00 26 2018 12 3.73681e-02 1.43409e-01 33 2019 1 3.66893e-03 8.85798e-03 33 2019 2 5.62331e+00 5.61465e+00 32 2019 3 4.58465e-01 3.14574e-01 60 2019 4 1.77731e+00 2.23926e+00 64 2019 5 1.24013e+00 1.15166e+00 94 2019 6 2.60730e-01 1.95644e-01 14 2019 7 1.05799e+01 6.14331e+00 48 2019 8 2.05889e+01 1.75309e+01 32 2019 9 7.57138e+00 4.39505e+00 85 2019 10 1.14026e+01 7.31576e+00 110 2019 11 4.03836e+00 4.48710e+00 100 2019 12 7.11788e+00 7.36436e+00 53 2020 1 1.38253e-01 1.33729e-01 32 2020 2 3.90484e-02 3.80348e-02 48 2020 3 1.88338e-01 5.24177e-01 87 2020 4 2.09358e+00 2.55718e+00 64 2020 5 1.90185e+01 1.10497e+01 35 2020 6 2.09979e-01 1.50621e-01 26 2020 7 3.46106e+00 2.20133e+00 32 2020 8 2.63491e+00 1.94627e+00 32 2020 9 7.65886e-05 7.01241e-05 11 2020 10 2.65258e+00 7.54020e+00 39 2020 11 1.19355e+00 1.67526e+00 117 2020 12 1.77952e+00 4.14931e+00 144 2021 1 8.18634e-01 1.00876e-01 16 2021 2 4.53816e-01 4.23178e-01 106 2021 3 6.36397e-01 7.01434e-01 96 2021 4 4.30149e-01 1.08613e-01 32 2021 5 9.89315e-01 1.28417e-01 16 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 2.59952e-03 0.00000e+00 1 2021 9 nan nan 0 2021 10 1.09479e-02 2.64637e-03 16 2021 11 2.31013e+00 5.93985e+00 184 2021 12 2.47510e+01 1.85886e+01 51 2022 1 1.55839e+00 1.33328e+00 131 2022 2 7.85105e+00 1.59022e+01 131 2022 3 3.74442e+00 4.26131e+00 116 2022 4 1.33179e-02 6.60034e-03 16 2022 5 7.35927e-01 2.85332e-01 18 2022 6 2.43281e+00 1.64574e+00 51 2022 7 4.73934e+00 3.20880e+00 58 2022 8 1.18930e+00 2.52159e+00 27 2022 9 2.98270e+00 3.49290e+00 83 2022 10 4.83040e+00 4.21649e+00 177 2022 11 7.88409e+00 6.79082e+00 120 2022 12 4.42778e+00 2.80067e+00 113 2023 1 3.44753e-01 6.32691e-01 140 2023 2 1.89077e+00 2.58716e+00 154 2023 3 8.21804e-01 3.49205e-01 31 2023 4 2.39250e+00 1.34364e+00 32 2023 5 1.73102e+01 1.26023e+01 48 2023 6 5.66077e+00 9.90718e+00 20 2023 7 1.79215e-01 2.34779e-01 63 2023 8 3.53854e+00 3.72161e+00 81 2023 9 3.17922e+01 2.69734e+01 63 2023 10 1.51165e+01 1.25815e+01 181 2023 11 9.01439e+00 5.31988e+00 136 2023 12 6.26829e+00 3.97893e+00 58 2024 1 6.10567e-01 4.83050e-01 69 2024 2 3.05150e+00 6.39971e+00 71 2024 3 7.65246e-01 7.08125e-01 64 2024 4 1.44144e-01 9.26537e-02 32