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 nan nan 0 2002 8 nan nan 0 2002 9 nan nan 0 2002 10 2.67102e+01 2.24190e+01 48 2002 11 4.98627e+01 2.55994e+01 83 2002 12 nan nan 0 2003 1 4.84069e+01 2.20122e+01 47 2003 2 4.24747e+01 2.07428e+01 242 2003 3 5.28143e+01 2.54618e+01 11 2003 4 nan nan 0 2003 5 2.08559e+01 8.33406e+00 117 2003 6 3.14861e+01 1.64216e+01 37 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 8.31662e-01 1.30063e-01 8 2003 10 nan nan 0 2003 11 2.04886e+01 2.36428e+01 187 2003 12 3.16072e+01 1.32395e+01 254 2004 1 3.18735e+01 1.82853e+01 411 2004 2 3.19549e+01 2.16901e+01 145 2004 3 4.91844e-01 4.60596e-02 16 2004 4 4.98329e+01 1.62766e+01 56 2004 5 1.88789e+01 1.28248e+01 32 2004 6 2.16647e+01 1.69050e+01 131 2004 7 1.22596e+01 2.37936e+00 128 2004 8 nan nan 0 2004 9 1.84298e-01 0.00000e+00 3 2004 10 nan nan 0 2004 11 3.16457e+01 1.67751e+01 53 2004 12 4.16408e+01 1.89099e+01 111 2005 1 2.27105e+01 2.60075e+01 119 2005 2 3.43919e+01 2.11416e+01 210 2005 3 4.08742e+01 2.21019e+01 112 2005 4 5.88638e+01 1.43510e+01 16 2005 5 4.67529e+00 8.01840e-01 3 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 2.27274e+00 2.51033e-01 6 2005 10 nan nan 0 2005 11 1.88620e+01 1.24061e+01 146 2005 12 nan nan 0 2006 1 3.98043e+01 2.61488e+01 174 2006 2 2.91051e+01 1.38362e+01 358 2006 3 2.93034e+01 1.72144e+01 620 2006 4 2.41024e+01 8.05852e+00 188 2006 5 5.31903e+01 2.15492e+01 56 2006 6 1.46885e+01 1.41006e+01 76 2006 7 1.80912e+01 1.91397e+01 37 2006 8 2.35715e+01 1.37811e+01 63 2006 9 nan nan 0 2006 10 4.71220e+01 2.03719e+01 13 2006 11 2.98591e+01 3.03863e+01 153 2006 12 1.74898e+01 2.00865e+00 64 2007 1 1.26097e+01 5.76756e+00 399 2007 2 2.58869e+01 1.38350e+01 320 2007 3 2.91311e+01 1.76719e+01 199 2007 4 2.38446e+01 1.17783e+01 188 2007 5 3.65411e+01 2.85689e+01 126 2007 6 1.20219e+01 2.95663e+00 64 2007 7 4.14116e+01 1.01376e+01 53 2007 8 4.28600e+01 1.63901e+01 11 2007 9 2.03026e+01 1.35219e+01 276 2007 10 1.85706e+01 1.96782e+01 163 2007 11 9.00850e+01 8.19650e-03 3 2007 12 2.35282e+01 1.91386e+01 344 2008 1 2.38925e+01 1.30458e+01 359 2008 2 2.82981e+01 2.00372e+01 390 2008 3 3.38993e+01 1.96067e+01 226 2008 4 2.52900e+01 1.25446e+01 252 2008 5 2.27139e+01 1.90486e+01 308 2008 6 6.78968e+00 2.44950e+00 148 2008 7 2.13851e+01 4.81773e+00 149 2008 8 nan nan 0 2008 9 nan nan 0 2008 10 6.60970e+01 1.78649e+01 19 2008 11 3.18748e+01 2.41151e+01 285 2008 12 2.33166e+01 2.21199e+01 532 2009 1 1.80009e+01 7.01012e+00 733 2009 2 1.66577e+01 6.75116e+00 798 2009 3 1.55400e+01 8.57947e+00 512 2009 4 3.28477e+01 3.19689e+01 83 2009 5 1.69797e+01 7.08623e+00 285 2009 6 5.26747e+00 8.51153e-01 31 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 nan nan 0 2009 10 nan nan 0 2009 11 2.51745e+01 9.42231e+00 61 2009 12 1.94022e+01 1.50528e+01 191 2010 1 2.05232e+01 1.63400e+01 446 2010 2 1.92780e+01 5.87692e+00 256 2010 3 2.77005e+01 1.45838e+01 288 2010 4 nan nan 0 2010 5 1.90005e+01 3.89677e+00 64 2010 6 4.00005e+00 2.59852e+00 65 2010 7 1.66301e+00 4.25315e-03 4 2010 8 7.71058e+00 5.56934e+00 116 2010 9 3.24492e+01 3.54952e+01 6 2010 10 3.92950e+01 1.71682e+01 18 2010 11 1.87845e+01 2.13078e+01 38 2010 12 3.16055e+01 1.58986e+01 347 2011 1 2.25197e+01 2.24544e+01 173 2011 2 2.35012e+01 1.99727e+01 534 2011 3 2.89794e+01 1.90295e+01 367 2011 4 1.81835e+01 9.07999e+00 347 2011 5 2.79179e+01 1.45149e+01 291 2011 6 1.45652e+01 1.23416e+01 132 2011 7 4.04809e+01 2.27298e+01 128 2011 8 nan nan 0 2011 9 nan nan 0 2011 10 nan nan 0 2011 11 3.18094e+01 1.82027e+01 74 2011 12 2.17328e+01 1.31961e+01 287 2012 1 2.61900e+01 1.59057e+01 482 2012 2 1.66604e+01 5.96940e+00 329 2012 3 4.36843e+01 2.62486e+01 220 2012 4 3.91477e+01 2.59602e+01 70 2012 5 1.56920e+01 5.76438e+00 274 2012 6 3.10597e+01 8.33213e+00 18 2012 7 5.04492e+00 2.00007e+00 41 2012 8 2.50795e+01 8.92602e+00 28 2012 9 nan nan 0 2012 10 nan nan 0 2012 11 2.40467e+01 1.95166e+01 78 2012 12 2.82075e+01 2.35700e+01 266 2013 1 2.50945e+01 1.13507e+01 313 2013 2 1.79767e+01 6.23966e+00 576 2013 3 4.25423e+01 1.89284e+01 377 2013 4 3.17280e+01 2.25017e+01 68 2013 5 2.36459e+01 1.93660e+01 167 2013 6 3.17887e+01 1.49196e+01 97 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 nan nan 0 2013 10 1.10312e+01 1.28747e+01 13 2013 11 7.97540e-01 2.28604e-01 26 2013 12 2.29271e+01 1.70950e+01 308 2014 1 2.96004e+01 1.23513e+01 199 2014 2 5.25330e+01 3.01572e+01 137 2014 3 2.98193e+01 1.58753e+01 395 2014 4 6.32784e+01 1.43438e+01 23 2014 5 2.08012e+01 1.88288e+01 171 2014 6 1.58701e+00 8.97176e-01 90 2014 7 1.23515e+00 1.27151e-01 64 2014 8 2.76370e+01 6.22835e+00 2 2014 9 3.82617e+01 0.00000e+00 1 2014 10 5.36410e-01 1.61852e-01 5 2014 11 6.11695e+01 2.35137e+01 13 2014 12 1.60187e+01 4.27393e+00 71 2015 1 2.70491e+01 1.73784e+01 119 2015 2 2.94813e+01 2.09914e+01 288 2015 3 2.18346e+01 1.78988e+01 295 2015 4 2.07622e+01 2.56864e+00 52 2015 5 5.18039e+01 2.63976e+01 79 2015 6 1.98757e+01 5.58876e+00 139 2015 7 1.96109e+01 3.11772e+00 31 2015 8 nan nan 0 2015 9 nan nan 0 2015 10 nan nan 0 2015 11 nan nan 0 2015 12 nan nan 0 2016 1 nan nan 0 2016 2 nan nan 0 2016 3 4.05937e+01 2.07920e+01 67 2016 4 2.59544e+01 1.92792e+01 33 2016 5 1.38528e+01 3.51436e+00 58 2016 6 7.15739e+00 4.02882e+00 122 2016 7 1.89478e+01 5.41110e+00 32 2016 8 9.27495e-01 1.72214e-01 9 2016 9 nan nan 0 2016 10 5.71880e+00 5.84073e+00 25 2016 11 2.94457e+01 0.00000e+00 1 2016 12 1.25768e+01 1.00614e+01 211 2017 1 2.78877e+01 2.10480e+01 207 2017 2 3.18313e+01 1.93053e+01 261 2017 3 2.48697e+01 1.49019e+01 442 2017 4 2.69138e+01 2.05324e+01 209 2017 5 1.61769e+01 9.46528e+00 245 2017 6 nan nan 0 2017 7 2.54832e+01 3.32243e+01 16 2017 8 nan nan 0 2017 9 nan nan 0 2017 10 6.70522e-01 2.20526e-01 6 2017 11 nan nan 0 2017 12 nan nan 0 2018 1 1.60542e+01 1.11526e+01 196 2018 2 1.51728e+01 1.75855e+01 8 2018 3 3.44620e+01 2.33490e+01 202 2018 4 7.41158e+01 1.40354e+01 20 2018 5 1.40999e+01 7.57757e+00 178 2018 6 nan nan 0 2018 7 nan nan 0 2018 8 nan nan 0 2018 9 nan nan 0 2018 10 5.05346e+00 2.67877e+00 4 2018 11 9.85928e+00 2.52915e+01 11 2018 12 1.68954e+01 2.67812e+01 72 2019 1 3.00310e+01 7.10688e+00 67 2019 2 1.16240e+01 1.16807e+01 87 2019 3 1.31154e+01 1.92958e+00 35 2019 4 1.28326e+01 2.92684e+00 64 2019 5 2.46277e+01 1.91635e+01 180 2019 6 1.86101e+01 1.79103e+01 33 2019 7 6.73492e+00 6.08357e+00 95 2019 8 1.24398e+01 2.25601e+01 9 2019 9 nan nan 0 2019 10 3.43965e+01 2.81366e+01 7 2019 11 nan nan 0 2019 12 1.87126e+01 1.28675e+01 239 2020 1 6.01864e+01 2.05300e+01 68 2020 2 2.73583e+01 2.26715e+01 224 2020 3 4.73096e+01 2.32821e+01 91 2020 4 3.38828e+01 2.36224e+01 124 2020 5 2.11380e+01 1.94552e+01 249 2020 6 3.12826e+01 1.70740e+01 119 2020 7 nan nan 0 2020 8 2.86167e+01 2.74562e+01 36 2020 9 nan nan 0 2020 10 nan nan 0 2020 11 nan nan 0 2020 12 nan nan 0 2021 1 nan nan 0 2021 2 2.62573e+01 1.55498e+01 291 2021 3 2.59040e+01 8.57796e+00 9 2021 4 3.19653e+01 1.73472e+01 105 2021 5 2.34456e+01 2.42667e+01 165 2021 6 nan nan 0 2021 7 nan nan 0 2021 8 nan nan 0 2021 9 4.39091e+00 2.08579e+00 5 2021 10 4.85254e-01 0.00000e+00 1 2021 11 nan nan 0 2021 12 1.88016e+01 1.23475e+01 269 2022 1 2.40461e+01 1.73764e+01 326 2022 2 2.30536e+01 9.29640e+00 74 2022 3 1.84865e+01 1.09969e+01 357 2022 4 nan nan 0 2022 5 2.41588e+01 1.47975e+01 239 2022 6 4.36909e+00 4.26842e+00 128 2022 7 1.28201e+01 7.14092e+00 96 2022 8 2.07981e+01 1.27310e+01 58 2022 9 nan nan 0 2022 10 4.67268e+00 8.36783e+00 16 2022 11 nan nan 0 2022 12 1.01531e+01 7.85735e+00 5 2023 1 2.41766e+01 2.06826e+01 250 2023 2 9.43182e+00 8.18223e+00 509 2023 3 1.28350e+01 1.90116e+01 446 2023 4 5.69929e+00 3.49445e+00 311 2023 5 5.40115e+00 4.68285e+00 303 2023 6 2.55768e+01 1.84310e+01 66 2023 7 3.30076e+00 1.86862e+00 15 2023 8 8.99957e+00 1.55259e+01 103 2023 9 nan nan 0 2023 10 2.19275e+01 2.18770e+01 27 2023 11 3.04202e+01 2.60720e+01 242 2023 12 3.11594e+01 2.51320e+01 139 2024 1 2.83484e+00 2.70951e+00 62 2024 2 3.26386e+01 1.73667e+01 263 2024 3 2.53541e+01 3.19181e+01 101 2024 4 nan nan 0