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 3.80704e+00 3.08261e+00 190 2002 8 4.12295e+00 3.55139e+00 413 2002 9 2.43318e+00 2.01865e+00 705 2002 10 9.03751e-01 1.35985e+00 273 2002 11 2.79394e+00 2.53141e+00 61 2002 12 nan nan 0 2003 1 nan nan 0 2003 2 nan nan 0 2003 3 nan nan 0 2003 4 1.56372e-01 3.17943e-01 25 2003 5 3.13449e-03 2.51420e-03 35 2003 6 6.92252e+00 4.63556e+00 289 2003 7 4.80384e+00 3.97293e+00 465 2003 8 4.05235e+00 3.66182e+00 305 2003 9 2.61099e+00 3.17128e+00 138 2003 10 8.43570e-01 1.35033e+00 616 2003 11 1.24533e+00 1.74313e+00 184 2003 12 4.85377e-03 8.86050e-03 197 2004 1 nan nan 0 2004 2 nan nan 0 2004 3 1.10858e-01 1.71393e-01 245 2004 4 5.70696e-01 1.56382e+00 175 2004 5 2.25811e+00 1.78591e+00 113 2004 6 2.95738e+00 3.63777e+00 218 2004 7 7.00745e+00 5.06668e+00 301 2004 8 3.27049e+00 2.88093e+00 307 2004 9 4.33570e-01 6.41980e-01 608 2004 10 3.76678e-01 4.04296e-01 506 2004 11 1.62472e-02 1.56107e-02 124 2004 12 3.77810e-04 3.82653e-04 64 2005 1 3.06165e-01 0.00000e+00 1 2005 2 nan nan 0 2005 3 7.05676e+00 7.06407e+00 145 2005 4 3.10916e+00 3.90467e+00 207 2005 5 7.31372e+00 5.20846e+00 292 2005 6 7.35618e+00 3.86521e+00 267 2005 7 7.43466e+00 4.50606e+00 529 2005 8 4.39130e+00 3.10124e+00 518 2005 9 2.15438e+00 1.90598e+00 821 2005 10 1.18749e+00 1.64284e+00 448 2005 11 2.71995e+00 5.68035e+00 241 2005 12 2.10279e-02 2.10081e-02 2 2006 1 5.88833e-01 8.20019e-01 184 2006 2 3.33495e-03 3.56235e-03 68 2006 3 2.18598e+00 3.44105e+00 252 2006 4 1.81597e+00 3.19253e+00 249 2006 5 4.28004e+00 3.30344e+00 271 2006 6 6.35758e+00 3.02506e+00 391 2006 7 9.19195e+00 4.71593e+00 365 2006 8 2.16416e+00 2.07156e+00 509 2006 9 9.90883e-01 8.29956e-01 126 2006 10 1.99318e-01 2.73922e-01 183 2006 11 7.36673e+00 5.48861e+00 150 2006 12 4.13223e-04 7.07071e-04 64 2007 1 1.00434e-02 5.23294e-03 7 2007 2 nan nan 0 2007 3 8.63627e+00 2.69954e+00 69 2007 4 1.46555e+00 1.66331e+00 265 2007 5 3.36143e+00 3.79332e+00 305 2007 6 6.22745e+00 3.89038e+00 489 2007 7 7.65815e+00 4.34746e+00 513 2007 8 3.71314e+00 3.02793e+00 321 2007 9 1.22468e+00 2.19593e+00 652 2007 10 1.77379e-01 2.66471e-01 255 2007 11 1.88162e-01 4.51380e-01 271 2007 12 1.00595e-01 1.57352e-01 117 2008 1 1.29136e-05 0.00000e+00 1 2008 2 nan nan 0 2008 3 5.58330e+00 6.59530e+00 27 2008 4 3.86423e-01 6.61970e-01 175 2008 5 6.94475e+00 6.32305e+00 136 2008 6 5.97121e+00 4.60083e+00 113 2008 7 9.61332e+00 4.89043e+00 439 2008 8 8.18955e+00 5.07356e+00 503 2008 9 2.14381e+00 1.84242e+00 443 2008 10 2.84639e+00 3.25463e+00 660 2008 11 2.95886e+00 2.89876e+00 128 2008 12 5.43971e-03 0.00000e+00 2 2009 1 nan nan 0 2009 2 nan nan 0 2009 3 9.10706e-02 1.75638e-01 80 2009 4 7.47374e-01 8.38174e-01 83 2009 5 1.73306e+00 2.11744e+00 286 2009 6 9.13124e+00 4.98638e+00 349 2009 7 1.32256e+01 5.36968e+00 300 2009 8 8.11774e-01 1.26454e+00 117 2009 9 2.32953e+00 3.13245e+00 387 2009 10 8.87379e-02 1.75228e-01 158 2009 11 9.11544e-01 1.28310e+00 370 2009 12 5.27346e-01 1.38329e+00 94 2010 1 nan nan 0 2010 2 nan nan 0 2010 3 6.93975e+00 8.74252e+00 171 2010 4 1.92151e+00 2.58334e+00 104 2010 5 8.80220e+00 4.28229e+00 368 2010 6 5.39523e+00 5.33978e+00 148 2010 7 4.85659e+00 3.57093e+00 478 2010 8 1.71565e+00 1.42347e+00 485 2010 9 8.46433e-01 8.54735e-01 148 2010 10 2.74141e+00 3.48417e+00 396 2010 11 1.40074e+00 2.33182e+00 460 2010 12 nan nan 0 2011 1 nan nan 0 2011 2 nan nan 0 2011 3 1.69270e+00 2.81723e+00 174 2011 4 1.52864e+00 1.41112e+00 84 2011 5 9.55862e-01 8.42961e-01 156 2011 6 2.89767e+00 2.88513e+00 202 2011 7 3.49434e+00 3.89176e+00 381 2011 8 3.42074e+00 3.97367e+00 179 2011 9 2.49604e+00 2.22447e+00 133 2011 10 3.77552e+00 4.57507e+00 396 2011 11 4.27044e+00 6.66548e+00 195 2011 12 4.56937e-02 1.51224e-01 144 2012 1 1.68171e-03 4.69507e-03 59 2012 2 1.53554e+00 2.59233e+00 351 2012 3 5.32315e+00 7.52671e+00 381 2012 4 7.41055e-01 1.13486e+00 137 2012 5 1.09518e+01 5.57583e+00 479 2012 6 8.13264e+00 5.05006e+00 424 2012 7 8.06978e+00 4.75768e+00 457 2012 8 4.60278e+00 4.19295e+00 656 2012 9 2.71306e+00 2.88288e+00 413 2012 10 1.54139e+00 2.18716e+00 402 2012 11 3.72917e+00 5.90998e+00 291 2012 12 5.40446e+00 6.45642e+00 135 2013 1 7.82130e-01 1.13963e+00 116 2013 2 7.88630e-01 7.66496e-01 40 2013 3 3.05681e+00 4.91355e+00 215 2013 4 1.62055e+00 3.03656e+00 154 2013 5 1.34232e+00 1.68369e+00 294 2013 6 7.13098e+00 3.88088e+00 343 2013 7 1.09139e+01 8.76257e+00 135 2013 8 8.06962e-01 1.59642e+00 196 2013 9 9.04946e+00 5.96282e+00 443 2013 10 3.42728e+00 5.31915e+00 133 2013 11 1.21914e-02 1.74925e-02 116 2013 12 1.11089e+01 5.67746e+00 32 2014 1 nan nan 0 2014 2 nan nan 0 2014 3 1.59693e+01 8.73016e+00 14 2014 4 3.33987e+00 4.07397e+00 367 2014 5 7.49224e+00 4.01949e+00 307 2014 6 4.28187e+00 2.33964e+00 196 2014 7 7.54425e+00 5.15950e+00 210 2014 8 6.73843e+00 2.53051e+00 270 2014 9 3.61807e+00 3.54176e+00 664 2014 10 8.02697e+00 6.16586e+00 341 2014 11 1.29529e-01 1.93211e-01 121 2014 12 1.10006e-01 3.98860e-01 70 2015 1 nan nan 0 2015 2 nan nan 0 2015 3 2.12665e+01 4.52775e+00 32 2015 4 1.67372e+01 9.85618e+00 286 2015 5 1.78111e+01 4.63132e+00 265 2015 6 1.64444e+00 1.70856e+00 177 2015 7 2.67314e+00 3.43724e+00 285 2015 8 6.44811e+00 4.57057e+00 161 2015 9 1.28702e+00 2.66979e+00 460 2015 10 5.32578e+00 3.92386e+00 180 2015 11 1.27364e+00 1.73717e+00 331 2015 12 nan nan 0 2016 1 1.98244e+00 1.80723e+00 19 2016 2 2.19329e-01 4.11540e-01 189 2016 3 9.57514e-01 1.01524e+00 98 2016 4 4.26857e-01 6.98047e-01 365 2016 5 8.71854e+00 5.58283e+00 304 2016 6 1.13151e+01 5.01490e+00 442 2016 7 9.01386e+00 5.83921e+00 339 2016 8 4.15060e+00 4.06511e+00 424 2016 9 3.63835e-01 4.90442e-01 513 2016 10 3.42479e-01 3.52133e-01 515 2016 11 2.19301e+00 2.75369e+00 513 2016 12 2.80861e-01 1.22715e-01 8 2017 1 4.14209e-02 3.03619e-02 64 2017 2 3.23933e+00 3.51427e+00 244 2017 3 1.05584e-01 1.73658e-01 80 2017 4 1.15494e+00 1.36797e+00 150 2017 5 9.32902e-01 1.41469e+00 249 2017 6 9.66649e+00 6.03577e+00 386 2017 7 8.29682e+00 5.08994e+00 464 2017 8 7.55861e-01 2.05959e+00 110 2017 9 6.02937e+00 4.83195e+00 519 2017 10 3.04698e+00 2.82454e+00 342 2017 11 2.54741e+00 3.40362e+00 400 2017 12 7.37382e+00 6.86438e+00 79 2018 1 nan nan 0 2018 2 5.86733e-01 7.10171e-01 56 2018 3 1.14543e+00 1.94266e+00 285 2018 4 4.17856e+00 3.39963e+00 150 2018 5 2.15125e+00 1.65209e+00 304 2018 6 1.75111e+00 2.31169e+00 164 2018 7 4.33785e+00 4.64645e+00 307 2018 8 2.96307e+00 3.08126e+00 312 2018 9 2.41737e+00 2.64119e+00 500 2018 10 4.89257e+00 3.55003e+00 418 2018 11 7.23220e-01 5.65698e-01 64 2018 12 5.26548e-01 1.02311e+00 204 2019 1 8.79655e-01 1.26036e+00 166 2019 2 nan nan 0 2019 3 5.94304e+00 7.82592e+00 308 2019 4 2.56605e+00 4.14945e+00 262 2019 5 6.24056e+00 4.49513e+00 104 2019 6 6.54895e+00 4.22732e+00 206 2019 7 8.45096e+00 4.37791e+00 142 2019 8 2.34517e+00 4.08155e+00 283 2019 9 4.02876e+00 3.37839e+00 281 2019 10 2.21419e+00 2.26736e+00 434 2019 11 1.72244e+00 1.36718e+00 128 2019 12 2.71563e+00 2.51025e+00 147 2020 1 1.28667e-01 1.08267e-01 72 2020 2 2.19927e+00 2.81301e+00 548 2020 3 5.93182e+00 3.81966e+00 239 2020 4 5.39079e+00 6.50516e+00 222 2020 5 7.24571e+00 4.93701e+00 316 2020 6 7.94539e+00 3.40472e+00 194 2020 7 5.84599e+00 4.07371e+00 832 2020 8 7.81265e+00 5.74036e+00 296 2020 9 3.11205e+00 2.01239e+00 362 2020 10 4.34784e+00 4.46919e+00 273 2020 11 5.54312e+00 5.58841e+00 509 2020 12 6.34523e-01 7.30478e-01 69 2021 1 2.38729e-01 3.15232e-01 112 2021 2 2.14645e+01 6.16676e+00 108 2021 3 1.42310e+01 1.07243e+01 661 2021 4 1.15034e+01 6.38248e+00 188 2021 5 1.07587e+01 6.01009e+00 229 2021 6 1.05200e+01 7.05535e+00 138 2021 7 7.90945e+00 7.05761e-01 10 2021 8 3.92523e+00 3.59440e+00 481 2021 9 1.90626e+00 1.98127e+00 531 2021 10 5.78470e+00 3.47121e+00 263 2021 11 2.94462e+00 3.59223e+00 503 2021 12 4.78478e-01 1.22208e+00 72 2022 1 3.57406e-02 5.81250e-02 45 2022 2 1.10600e+00 6.60218e-01 5 2022 3 7.78774e-01 1.11772e+00 251 2022 4 1.17957e-01 2.13884e-01 71 2022 5 6.87766e+00 3.50497e+00 160 2022 6 8.14354e+00 5.30201e+00 428 2022 7 6.83665e+00 4.70554e+00 298 2022 8 4.72914e+00 4.16284e+00 464 2022 9 4.41335e+00 2.71741e+00 322 2022 10 1.47345e+00 1.58508e+00 497 2022 11 1.62674e+00 3.06351e+00 579 2022 12 1.58519e-05 4.36430e-06 6 2023 1 2.32229e+00 3.86700e+00 162 2023 2 8.54594e-02 1.23943e-01 128 2023 3 6.02415e-01 8.31919e-01 62 2023 4 7.23451e-02 1.27346e-01 432 2023 5 4.31936e+00 5.54371e+00 269 2023 6 5.62166e+00 5.36567e+00 221 2023 7 9.31895e+00 4.39491e+00 256 2023 8 6.64186e+00 4.81141e+00 414 2023 9 3.21744e+00 3.76364e+00 740 2023 10 4.39302e+00 4.25007e+00 432 2023 11 7.85321e+00 7.92020e+00 547 2023 12 3.99206e-01 7.46238e-01 125 2024 1 nan nan 0 2024 2 1.85395e+00 2.80343e+00 370 2024 3 2.42011e+00 6.28461e+00 294 2024 4 nan nan 0