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 7.27124e-01 5.07648e-01 52 2002 8 6.89974e-01 5.86480e-01 64 2002 9 2.00475e+00 1.37862e+00 128 2002 10 1.94763e+00 7.27807e-01 144 2002 11 2.60072e+00 1.18880e+00 208 2002 12 2.90816e+00 6.86941e-01 164 2003 1 3.79676e+00 1.08672e+00 238 2003 2 2.51330e+00 6.48172e-01 160 2003 3 nan nan 0 2003 4 2.61944e+00 2.47959e+00 31 2003 5 2.69599e+00 5.44116e-01 27 2003 6 2.67452e+00 1.60349e+00 64 2003 7 3.78829e+00 1.34572e-01 32 2003 8 3.97796e+00 1.41936e-01 16 2003 9 4.51450e+00 2.29389e+00 99 2003 10 1.95406e+00 1.36748e+00 201 2003 11 3.48308e+00 1.42420e+00 226 2003 12 2.13856e+00 9.05049e-01 178 2004 1 1.05761e+00 9.06895e-01 141 2004 2 1.57383e+00 1.08549e+00 49 2004 3 2.73238e+00 1.08991e+00 100 2004 4 9.16430e-01 1.43018e+00 96 2004 5 6.91843e-01 1.59858e+00 152 2004 6 1.21406e+00 8.68329e-01 72 2004 7 1.49673e+00 7.83333e-01 48 2004 8 1.86700e+00 7.60452e-01 56 2004 9 4.12419e+00 1.72228e+00 70 2004 10 7.62378e+00 1.77338e+00 74 2004 11 6.05107e+00 1.15577e+00 82 2004 12 5.00612e+00 1.07881e+00 110 2005 1 4.37534e+00 8.88428e-01 162 2005 2 2.69578e+00 1.17732e+00 99 2005 3 3.99861e+00 1.74269e+00 141 2005 4 7.36088e+00 3.36703e-01 16 2005 5 9.13939e-01 1.28395e+00 26 2005 6 2.64837e+00 1.06726e+00 48 2005 7 3.76052e+00 1.01116e+00 84 2005 8 5.82116e+00 3.71407e-01 48 2005 9 2.33703e+00 1.23868e+00 59 2005 10 2.79773e+00 8.10795e-01 244 2005 11 2.30115e+00 5.87267e-01 303 2005 12 2.43685e+00 6.62815e-01 208 2006 1 3.83713e+00 1.41427e+00 192 2006 2 3.69644e+00 8.53765e-01 160 2006 3 3.87275e+00 1.04709e+00 169 2006 4 2.37065e+00 9.26494e-01 129 2006 5 1.00058e+00 4.87142e-01 176 2006 6 7.19205e-01 9.69941e-01 96 2006 7 8.44855e-01 8.31228e-01 108 2006 8 1.74326e+00 6.38285e-01 112 2006 9 2.00942e+00 7.85537e-01 114 2006 10 2.22049e+00 8.32434e-01 203 2006 11 1.19010e+00 6.47519e-01 272 2006 12 1.19181e+00 9.84121e-01 148 2007 1 8.97197e-01 7.17657e-01 81 2007 2 1.61674e+00 7.66798e-01 160 2007 3 1.44006e+00 9.43272e-01 250 2007 4 8.87566e-01 1.02472e+00 176 2007 5 2.61669e-01 4.00507e-01 80 2007 6 1.35619e+00 6.42754e-01 52 2007 7 2.10026e+00 1.82466e-01 57 2007 8 1.87924e+00 2.49821e-01 95 2007 9 2.18711e+00 7.42220e-01 160 2007 10 2.53170e+00 3.28451e-01 112 2007 11 1.25280e+00 5.99366e-01 279 2007 12 9.50005e-01 7.74999e-01 144 2008 1 8.46992e-01 4.82010e-01 176 2008 2 1.15337e+00 9.27486e-01 298 2008 3 3.74688e+00 1.37505e+00 185 2008 4 1.58164e+00 8.87858e-01 176 2008 5 1.84761e+00 9.26268e-01 198 2008 6 1.00038e+00 8.42321e-01 115 2008 7 6.56916e-01 8.71072e-01 32 2008 8 2.39812e+00 2.26151e-01 32 2008 9 6.11923e+00 9.89872e-01 66 2008 10 3.75479e+00 4.68359e-01 219 2008 11 1.58099e+00 6.98491e-01 229 2008 12 2.38065e+00 8.60051e-01 226 2009 1 2.62079e+00 1.04346e+00 132 2009 2 1.20445e+00 7.60796e-01 211 2009 3 9.65883e-01 8.81902e-01 151 2009 4 7.04156e+00 2.43838e+00 70 2009 5 4.07593e+00 9.89199e-01 65 2009 6 -4.19060e-02 1.27142e+00 92 2009 7 1.73722e+00 6.20794e-01 57 2009 8 1.10337e+00 8.53582e-01 112 2009 9 1.73718e+00 9.26473e-01 147 2009 10 2.70654e+00 8.55328e-01 176 2009 11 1.79296e+00 5.70680e-01 173 2009 12 3.11355e+00 1.47227e+00 32 2010 1 5.90391e+00 5.86087e-01 160 2010 2 7.05764e+00 5.52370e-01 112 2010 3 5.41723e+00 1.10165e+00 82 2010 4 5.21939e+00 8.60654e-01 82 2010 5 3.87929e+00 6.20723e-01 65 2010 6 1.20575e+00 1.67208e+00 151 2010 7 3.46510e-01 9.90132e-01 91 2010 8 6.61568e-01 4.00988e-01 29 2010 9 1.38654e+00 1.31945e+00 208 2010 10 1.47434e+00 6.65820e-01 363 2010 11 9.59447e-01 6.56216e-01 293 2010 12 1.23606e+00 7.08904e-01 256 2011 1 1.23737e+00 6.24834e-01 183 2011 2 9.87269e-01 1.75787e-01 144 2011 3 1.78506e+00 4.86042e-01 160 2011 4 2.06414e+00 5.87759e-01 142 2011 5 6.41148e-01 8.40040e-01 164 2011 6 7.12223e-01 8.81427e-01 112 2011 7 1.27534e+00 5.77066e-01 118 2011 8 1.21436e+00 6.43224e-01 127 2011 9 1.82858e+00 5.30381e-01 165 2011 10 1.60973e+00 6.44172e-01 320 2011 11 1.02070e+00 4.86626e-01 240 2011 12 6.70196e-01 5.24163e-01 256 2012 1 1.32710e+00 6.17006e-01 240 2012 2 1.35252e+00 5.15090e-01 64 2012 3 1.44907e+00 8.05367e-01 219 2012 4 1.14516e+00 6.12860e-01 224 2012 5 1.30081e+00 4.90931e-01 144 2012 6 1.38592e+00 5.11868e-02 12 2012 7 1.94399e+00 2.34924e+00 48 2012 8 3.28753e+00 5.80471e-02 8 2012 9 5.98601e+00 1.09852e+00 29 2012 10 5.77137e+00 1.83452e+00 127 2012 11 2.13142e+00 1.16045e+00 208 2012 12 1.52790e+00 9.05556e-01 144 2013 1 1.25200e+00 1.07915e+00 123 2013 2 1.51310e+00 7.93586e-01 117 2013 3 5.71229e+00 2.04308e+00 125 2013 4 2.47406e+00 2.44768e+00 69 2013 5 -2.25921e-01 1.22499e+00 41 2013 6 1.03276e+00 1.63214e+00 128 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 6.07136e+00 6.41226e-01 126 2013 10 4.13225e+00 1.53860e+00 111 2013 11 2.65924e+00 4.42047e-01 93 2013 12 1.78238e+00 4.65548e-01 138 2014 1 2.92879e+00 4.80288e-01 96 2014 2 3.14165e+00 9.12774e-01 107 2014 3 2.98222e+00 5.60232e-01 88 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 2.11557e+00 1.89302e-02 14 2014 7 5.45326e-01 9.19152e-01 112 2014 8 1.36510e+00 5.09925e-01 86 2014 9 1.47487e+00 3.88321e-01 128 2014 10 1.91157e+00 9.65757e-01 320 2014 11 1.37114e+00 6.42999e-01 256 2014 12 1.36236e+00 8.66374e-01 221 2015 1 2.94298e+00 1.46954e+00 162 2015 2 4.39852e+00 8.62151e-01 114 2015 3 3.38188e+00 8.35957e-01 59 2015 4 3.04134e+00 6.16050e-02 16 2015 5 1.19177e+00 1.28813e+00 122 2015 6 4.88090e-01 5.06986e-01 66 2015 7 9.84763e-01 1.47707e-01 32 2015 8 1.38602e+00 6.47721e-01 80 2015 9 1.74571e+00 6.34621e-01 107 2015 10 1.96761e+00 8.27041e-01 195 2015 11 1.62638e+00 7.60154e-01 185 2015 12 8.66164e-01 3.93889e-01 94 2016 1 2.27680e+00 1.25701e+00 185 2016 2 5.04278e+00 1.32948e+00 266 2016 3 3.19779e+00 1.05607e+00 188 2016 4 4.46173e+00 1.03921e+00 48 2016 5 2.93181e-01 8.63686e-01 57 2016 6 1.05989e+00 8.22913e-01 139 2016 7 1.54716e+00 9.64594e-01 149 2016 8 2.04353e+00 1.01454e+00 131 2016 9 3.27218e+00 8.26612e-01 212 2016 10 2.38939e+00 8.16629e-01 210 2016 11 1.18618e+00 4.87015e-01 177 2016 12 7.87371e-01 4.03920e-01 173 2017 1 1.71212e+00 1.44379e+00 176 2017 2 3.63385e+00 9.85544e-01 218 2017 3 1.46475e+00 8.60901e-01 227 2017 4 1.17997e+00 1.11898e+00 154 2017 5 1.22415e+00 1.07302e+00 127 2017 6 5.88121e-01 5.12823e-01 31 2017 7 1.93575e+00 1.07170e+00 80 2017 8 2.49862e+00 9.16903e-01 96 2017 9 1.76696e+00 1.56543e+00 157 2017 10 2.47701e+00 8.88312e-01 237 2017 11 1.05272e+00 5.75095e-01 304 2017 12 8.99200e-01 5.65372e-01 192 2018 1 8.86813e-01 4.21346e-01 238 2018 2 1.01421e+00 2.81397e-01 114 2018 3 1.92080e+00 1.09298e+00 136 2018 4 1.00619e+00 8.49098e-01 96 2018 5 1.26598e+00 1.41638e+00 99 2018 6 2.85772e+00 1.31440e+00 75 2018 7 1.02090e+00 1.42462e+00 96 2018 8 8.14370e+00 1.00368e+00 37 2018 9 4.95584e+00 1.75072e+00 183 2018 10 4.52840e+00 8.76791e-01 316 2018 11 3.17381e+00 5.38869e-01 101 2018 12 5.18493e+00 2.19699e+00 101 2019 1 7.04599e+00 5.80217e-01 48 2019 2 nan nan 0 2019 3 4.84730e+00 1.76809e+00 93 2019 4 3.69662e+00 8.38063e-01 80 2019 5 7.72550e-01 1.33172e+00 173 2019 6 1.50030e+00 1.15962e+00 46 2019 7 8.61770e-01 6.58738e-01 78 2019 8 2.38983e-01 1.26445e+00 129 2019 9 5.37030e-01 1.91181e+00 115 2019 10 1.72268e+00 1.25783e+00 108 2019 11 1.31974e+00 7.46080e-01 128 2019 12 1.57773e+00 6.61946e-01 102 2020 1 1.12128e+00 3.78567e-01 114 2020 2 1.63320e+00 8.26144e-01 176 2020 3 1.57988e+00 5.91433e-01 125 2020 4 1.55800e+00 8.95203e-01 72 2020 5 5.76237e-01 7.36049e-01 128 2020 6 3.14366e+00 1.55191e+00 18 2020 7 1.39350e+00 5.66759e-01 55 2020 8 2.71952e+00 2.79714e-01 32 2020 9 4.45921e+00 1.68314e+00 52 2020 10 5.69335e+00 1.12484e+00 151 2020 11 3.19312e+00 1.24071e+00 119 2020 12 1.89324e+00 7.92442e-01 137 2021 1 4.10982e+00 1.85925e+00 64 2021 2 5.88648e+00 5.56494e-01 64 2021 3 3.54838e+00 9.60930e-01 54 2021 4 -7.14964e-01 1.97288e+00 15 2021 5 -9.42455e-01 2.03279e+00 76 2021 6 9.24253e-01 4.42059e-01 48 2021 7 3.50207e-01 1.55870e+00 51 2021 8 5.18900e+00 1.44462e+00 60 2021 9 7.03660e+00 9.85597e-01 77 2021 10 5.18612e+00 1.53342e+00 79 2021 11 3.26045e+00 6.21461e-01 117 2021 12 2.09848e+00 2.00691e-01 48 2022 1 3.21793e+00 2.09109e+00 189 2022 2 1.40401e+00 5.85227e-01 144 2022 3 3.11249e+00 1.76884e+00 192 2022 4 nan nan 0 2022 5 1.44888e+00 5.42937e-01 32 2022 6 3.91502e-01 1.24079e+00 131 2022 7 2.58946e-01 1.06296e+00 96 2022 8 5.77118e-01 1.73414e+00 142 2022 9 2.11966e+00 9.54991e-01 63 2022 10 1.26112e+00 1.35001e+00 270 2022 11 1.25174e+00 7.46330e-01 113 2022 12 1.21924e+00 9.64438e-01 193 2023 1 1.51052e+00 5.69577e-01 204 2023 2 2.10381e+00 6.76249e-01 160 2023 3 3.85994e+00 1.09230e+00 160 2023 4 -2.14593e-01 9.57059e-01 63 2023 5 4.02300e-01 2.22200e+00 112 2023 6 1.47476e+00 7.55747e-01 81 2023 7 1.27704e+00 3.48124e-01 32 2023 8 1.97698e-01 1.35141e+00 96 2023 9 3.23659e+00 2.93576e-01 32 2023 10 2.79934e+00 1.16615e+00 167 2023 11 1.51197e+00 8.49275e-01 192 2023 12 6.60630e+00 2.75261e+00 33 2024 1 9.49401e+00 0.00000e+00 2 2024 2 5.10234e+00 1.43841e+00 116 2024 3 3.82903e+00 8.19260e-01 69 2024 4 nan nan 0