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 3.32534e+01 3.35077e+00 32 2002 8 3.49420e+01 1.24211e+01 112 2002 9 4.14511e+01 1.33364e+01 108 2002 10 2.44710e+01 1.30867e+01 140 2002 11 1.17975e+01 1.15378e+01 216 2002 12 1.02262e+01 7.20283e+00 192 2003 1 3.31692e+00 2.85019e+00 242 2003 2 9.03870e+00 4.63045e+00 170 2003 3 1.00381e+00 9.31996e-01 45 2003 4 3.47905e-05 2.06822e-04 40 2003 5 4.43347e+01 3.66852e+01 32 2003 6 6.05811e+00 3.16776e+00 34 2003 7 2.10240e+01 2.38711e+00 16 2003 8 1.03901e+01 9.91637e+00 34 2003 9 1.47694e+01 1.41495e+01 96 2003 10 1.59803e+01 1.08224e+01 222 2003 11 1.71332e+01 1.72177e+01 243 2003 12 7.38372e+00 8.27419e+00 256 2004 1 6.55374e+00 3.57672e+00 128 2004 2 1.25386e+01 1.47851e+01 80 2004 3 1.70690e+01 8.69810e+00 99 2004 4 7.73265e+00 7.05939e+00 97 2004 5 1.57174e+01 7.38279e+00 88 2004 6 2.73826e+01 1.52215e+01 66 2004 7 1.90720e+01 1.93500e+01 76 2004 8 2.41738e+01 1.24532e+01 126 2004 9 6.63697e+00 5.16293e+00 60 2004 10 8.91027e+00 1.37198e+01 84 2004 11 1.76932e+00 2.00088e+00 148 2004 12 9.20098e-01 8.59155e-01 112 2005 1 7.52104e+00 1.52206e+01 188 2005 2 6.27629e+00 5.57478e+00 125 2005 3 3.17465e+00 2.23767e+00 162 2005 4 1.07048e+01 1.73290e+01 56 2005 5 nan nan 0 2005 6 2.23734e+01 1.79052e+01 67 2005 7 1.65689e+01 1.03089e+01 64 2005 8 7.01890e+00 9.58080e+00 50 2005 9 1.94856e+01 1.65955e+01 50 2005 10 1.86519e+01 1.55589e+01 252 2005 11 1.59464e+01 8.97639e+00 305 2005 12 5.09696e+00 5.36236e+00 234 2006 1 9.44710e+00 6.87015e+00 230 2006 2 3.94572e+00 4.26231e+00 160 2006 3 7.62848e+00 8.51207e+00 246 2006 4 9.61798e+00 8.07808e+00 94 2006 5 2.16173e+01 6.83519e+00 128 2006 6 2.46334e+01 1.08339e+01 96 2006 7 1.39217e+01 1.05867e+01 69 2006 8 2.24462e+01 1.41356e+01 80 2006 9 1.77594e+01 7.06431e+00 128 2006 10 2.07941e+01 1.25238e+01 208 2006 11 1.47111e+01 6.94889e+00 236 2006 12 2.63470e+01 9.14172e+00 120 2007 1 2.14372e+01 1.18583e+01 144 2007 2 1.62078e+01 9.95431e+00 243 2007 3 1.96524e+01 8.15745e+00 244 2007 4 1.59296e+01 1.01708e+01 186 2007 5 2.37091e+01 8.76828e+00 26 2007 6 2.36676e+01 1.11072e+00 32 2007 7 1.62599e+01 9.53859e+00 92 2007 8 2.43093e+01 7.68829e+00 79 2007 9 3.35560e+01 5.59086e+00 147 2007 10 3.80432e+01 7.04446e+00 162 2007 11 2.31539e+01 1.26190e+01 272 2007 12 2.51699e+01 1.51417e+01 142 2008 1 1.58607e+01 1.16141e+01 208 2008 2 2.55549e+01 9.06477e+00 260 2008 3 1.52721e+01 8.83084e+00 237 2008 4 2.06952e+01 1.20961e+01 141 2008 5 1.92947e+01 1.16287e+01 168 2008 6 2.26719e+01 1.06157e+01 61 2008 7 2.15727e+01 7.71176e+00 80 2008 8 2.06978e+01 4.18576e+00 32 2008 9 2.10516e+01 1.31548e+01 132 2008 10 2.29285e+01 1.33571e+01 208 2008 11 6.46258e+00 4.36647e+00 219 2008 12 1.00923e+01 9.24168e+00 176 2009 1 1.37948e+01 1.11401e+01 187 2009 2 1.02515e+01 5.98145e+00 240 2009 3 1.97704e+01 6.54128e+00 176 2009 4 1.45646e+01 1.05230e+01 155 2009 5 4.55071e+00 3.91720e+00 32 2009 6 2.75944e+01 1.34572e+01 93 2009 7 1.87121e+01 2.16772e+01 52 2009 8 1.54637e+01 1.11399e+01 110 2009 9 2.47200e+01 1.55590e+01 160 2009 10 1.85828e+01 1.65356e+01 196 2009 11 1.39053e+01 6.68413e+00 138 2009 12 3.39723e+00 1.72421e+00 48 2010 1 1.38013e+00 1.59618e+00 161 2010 2 1.40098e+00 1.75500e+00 85 2010 3 8.23339e-01 9.85258e-01 106 2010 4 4.87898e+00 3.96730e+00 64 2010 5 1.84937e+01 1.57165e+01 34 2010 6 1.49545e+01 1.75224e+01 97 2010 7 1.39610e+01 1.50193e+01 67 2010 8 2.33793e+01 1.24173e+01 41 2010 9 2.91124e+01 8.48515e+00 125 2010 10 1.16366e+01 1.23666e+01 214 2010 11 1.38763e+01 9.29726e+00 209 2010 12 1.16559e+01 9.15658e+00 261 2011 1 1.59180e+01 8.46913e+00 170 2011 2 2.17433e+01 9.68596e+00 176 2011 3 1.72342e+01 8.21365e+00 176 2011 4 1.19384e+01 1.14967e+01 139 2011 5 2.38370e+01 1.74651e+01 93 2011 6 1.06318e+01 8.92430e+00 27 2011 7 2.22566e+01 1.40332e+01 48 2011 8 2.70545e+01 1.63959e+01 80 2011 9 2.77742e+01 1.63132e+01 160 2011 10 1.71001e+01 1.22844e+01 233 2011 11 2.23449e+01 1.07055e+01 213 2011 12 2.54430e+01 1.13866e+01 264 2012 1 1.42396e+01 8.19803e+00 272 2012 2 1.19495e+01 6.58726e+00 48 2012 3 3.14407e+01 1.32484e+01 200 2012 4 1.99651e+01 1.05822e+01 170 2012 5 1.66583e+01 1.95743e+01 103 2012 6 2.56797e+01 1.58103e+00 16 2012 7 7.25108e+01 1.20822e+01 32 2012 8 nan nan 0 2012 9 5.09628e+00 4.73101e+00 94 2012 10 8.65118e+00 1.08264e+01 167 2012 11 4.41965e+00 3.12638e+00 177 2012 12 9.45309e+00 6.25855e+00 128 2013 1 1.73620e+01 1.42861e+01 176 2013 2 1.34332e+01 6.40232e+00 143 2013 3 1.02563e+01 8.38276e+00 140 2013 4 2.04023e+01 2.37738e+01 90 2013 5 9.21944e+00 1.04583e+01 41 2013 6 2.43680e+01 2.31996e+01 82 2013 7 1.15536e+01 8.26755e+00 3 2013 8 6.47916e-01 7.70806e-01 35 2013 9 1.95543e+01 2.82941e+01 99 2013 10 1.84700e+01 2.12680e+01 145 2013 11 1.34992e+01 9.93158e+00 142 2013 12 1.76709e+01 9.77970e+00 160 2014 1 8.08541e+00 8.23725e+00 128 2014 2 5.02766e+00 4.64194e+00 117 2014 3 4.84609e+00 3.32255e+00 136 2014 4 7.58311e+00 7.41818e+00 32 2014 5 nan nan 0 2014 6 2.10824e+01 9.96375e-01 16 2014 7 2.22296e+01 2.09931e+01 77 2014 8 2.74092e+01 1.16868e+01 87 2014 9 3.01868e+01 1.52214e+01 90 2014 10 2.00152e+01 1.53125e+01 310 2014 11 1.63608e+01 1.16893e+01 243 2014 12 2.65725e+01 1.60322e+01 192 2015 1 1.42969e+01 1.33749e+01 198 2015 2 3.30760e+00 2.68869e+00 192 2015 3 1.74167e+01 1.46876e+01 98 2015 4 6.73148e+00 4.51549e+00 23 2015 5 2.95866e+01 9.39256e+00 48 2015 6 2.21299e+01 1.96765e+01 115 2015 7 6.35554e+01 5.14163e+00 21 2015 8 2.20348e+01 7.74856e+00 63 2015 9 2.17717e+01 1.51409e+01 128 2015 10 1.93084e+01 8.83889e+00 131 2015 11 1.89857e+01 1.24780e+01 176 2015 12 1.67422e+01 8.37622e+00 144 2016 1 8.75487e+00 7.87830e+00 208 2016 2 6.80433e+00 5.41673e+00 320 2016 3 7.14634e+00 4.89602e+00 176 2016 4 1.12166e+01 9.42928e+00 138 2016 5 1.82525e+01 1.50972e+01 41 2016 6 3.52233e+01 2.11698e+01 82 2016 7 1.91693e+01 1.21972e+01 124 2016 8 2.32661e+01 1.30889e+01 176 2016 9 1.55156e+01 1.10586e+01 182 2016 10 3.85166e+00 4.97639e+00 128 2016 11 1.28977e+01 1.04962e+01 159 2016 12 2.30113e+01 1.35260e+01 196 2017 1 1.42071e+01 9.22709e+00 175 2017 2 1.14565e+01 5.77320e+00 274 2017 3 2.12419e+01 1.23633e+01 224 2017 4 1.81929e+01 1.17750e+01 152 2017 5 1.72144e+01 9.05361e+00 81 2017 6 1.53883e+01 2.01137e+01 54 2017 7 2.44801e+01 1.58059e+01 69 2017 8 2.76154e+01 2.36264e+01 110 2017 9 2.17447e+01 1.44016e+01 104 2017 10 1.81548e+01 1.33302e+01 204 2017 11 1.43265e+01 1.22490e+01 222 2017 12 1.54266e+01 1.30033e+01 163 2018 1 1.46987e+01 7.65960e+00 223 2018 2 2.76423e+01 7.25319e+00 105 2018 3 1.75075e+01 8.63757e+00 191 2018 4 1.50167e+01 9.34665e+00 131 2018 5 2.24204e+01 7.36676e+00 80 2018 6 2.15633e+01 2.49062e+01 64 2018 7 3.77341e+01 2.53535e+01 68 2018 8 2.48609e+01 2.19569e+01 88 2018 9 1.45301e+01 1.12859e+01 119 2018 10 1.33410e+01 1.50469e+01 258 2018 11 7.63993e-01 8.24958e-01 64 2018 12 2.47752e+00 2.83009e+00 108 2019 1 2.02431e+00 1.11088e+01 101 2019 2 2.48984e+00 3.54440e+00 42 2019 3 4.55201e+00 2.17306e+00 108 2019 4 8.48349e+00 5.95337e+00 112 2019 5 1.47264e+01 9.66805e+00 126 2019 6 1.71187e+01 7.30234e+00 62 2019 7 9.07638e+00 1.36486e+01 93 2019 8 4.48181e+00 2.00433e+01 42 2019 9 1.33150e+01 1.21545e+01 63 2019 10 2.69436e+01 1.20115e+01 116 2019 11 1.62552e+01 1.57026e+01 146 2019 12 1.40934e+01 9.37828e+00 121 2020 1 1.51793e+01 7.05048e+00 160 2020 2 1.14993e+01 7.80066e+00 148 2020 3 2.21825e+01 1.21999e+01 144 2020 4 5.76041e+00 3.08381e+00 93 2020 5 1.30570e+01 1.00942e+01 70 2020 6 1.35611e+01 1.27404e+01 73 2020 7 3.07194e+01 2.46934e+01 37 2020 8 9.37462e+00 4.29249e+00 24 2020 9 1.40256e+01 1.23061e+01 64 2020 10 1.76229e+01 1.52559e+01 111 2020 11 9.21030e+00 7.14495e+00 164 2020 12 6.92152e+00 9.44957e+00 141 2021 1 5.96945e+00 1.05719e+01 97 2021 2 5.88651e+00 3.56481e+00 95 2021 3 4.26005e+00 4.10632e+00 80 2021 4 6.30336e-01 7.04307e-01 84 2021 5 1.39118e+01 1.87688e+01 111 2021 6 2.87727e+01 1.46085e+01 36 2021 7 nan nan 0 2021 8 1.10680e-09 2.10778e-09 16 2021 9 9.42717e+00 1.16152e+01 108 2021 10 8.66357e+00 1.10898e+01 122 2021 11 3.21347e+00 5.72717e+00 78 2021 12 1.36305e+01 1.40966e+01 100 2022 1 4.21475e+00 3.29059e+00 221 2022 2 9.49341e+00 8.25196e+00 150 2022 3 1.07022e+01 9.82152e+00 171 2022 4 2.90712e+01 1.21654e+01 22 2022 5 1.54809e+01 1.40577e+01 82 2022 6 1.59138e+01 1.85644e+01 86 2022 7 2.64283e+01 2.95762e+01 56 2022 8 6.61503e+00 1.00696e+01 126 2022 9 2.50583e+01 1.68840e+01 107 2022 10 9.21340e+00 8.97581e+00 106 2022 11 1.78526e+01 1.16822e+01 87 2022 12 1.70346e+01 1.41349e+01 176 2023 1 2.02400e+01 9.58172e+00 197 2023 2 2.51555e+01 1.12777e+01 160 2023 3 1.75397e+01 1.20367e+01 158 2023 4 3.51572e+01 1.16691e+01 48 2023 5 2.23125e+01 1.97788e+01 75 2023 6 3.65499e+01 2.92932e+01 56 2023 7 4.42088e+01 1.45468e+01 16 2023 8 2.57596e+01 1.88904e+01 56 2023 9 1.28673e+01 9.27849e+00 84 2023 10 1.57373e+01 1.72998e+01 120 2023 11 1.49637e+01 1.77700e+01 131 2023 12 2.57159e-01 3.28776e-01 64 2024 1 3.36818e-01 3.00549e-01 67 2024 2 1.19785e+00 1.00973e+00 96 2024 3 2.74535e+00 4.59037e+00 95 2024 4 nan nan 0