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 4.78803e+01 1.47670e+01 108 2002 8 5.10548e+01 9.95666e+00 207 2002 9 3.01594e+01 1.75562e+01 60 2002 10 4.66294e+01 1.05500e+01 400 2002 11 4.22600e+01 1.04838e+01 495 2002 12 4.03816e+01 1.58868e+01 442 2003 1 3.73293e+01 1.16118e+01 575 2003 2 4.52932e+01 9.22841e+00 371 2003 3 nan nan 0 2003 4 nan nan 0 2003 5 1.10317e-08 4.87636e-08 39 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 nan nan 0 2003 9 7.91027e+00 1.27134e+01 96 2003 10 3.67272e+01 1.63957e+01 373 2003 11 3.61701e+01 1.89952e+01 323 2003 12 4.35048e+01 1.45006e+01 401 2004 1 4.66772e+01 1.02105e+01 636 2004 2 4.46043e+01 8.45733e+00 295 2004 3 2.56069e+01 1.09412e+01 78 2004 4 4.85220e+01 7.73131e+00 195 2004 5 4.43299e+01 1.55663e+01 199 2004 6 5.53775e+01 1.04550e+01 201 2004 7 3.82920e+01 1.66701e+01 100 2004 8 4.18317e+01 1.12695e+01 223 2004 9 1.98074e+01 1.80883e+01 20 2004 10 nan nan 0 2004 11 3.07310e+01 6.89311e-01 4 2004 12 2.08181e+01 1.22208e+01 167 2005 1 3.63098e+01 8.80998e+00 164 2005 2 3.57499e+01 2.90324e+00 120 2005 3 4.30245e+01 7.85872e+00 128 2005 4 3.64459e+00 8.16587e+00 25 2005 5 nan nan 0 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 4.47243e+01 9.65780e+00 69 2005 10 5.02968e+01 1.11659e+01 486 2005 11 4.51250e+01 9.57839e+00 458 2005 12 3.88316e+01 1.30336e+01 405 2006 1 3.84079e+01 1.43443e+01 145 2006 2 2.34125e+01 1.57454e+01 47 2006 3 8.77801e+00 1.21985e+01 253 2006 4 4.52554e+01 6.96581e+00 208 2006 5 4.72705e+01 1.90588e+01 108 2006 6 5.04832e+01 1.18476e+01 98 2006 7 3.02145e+01 1.56482e+01 46 2006 8 4.47435e+01 6.88745e+00 201 2006 9 4.22716e+01 1.41608e+01 384 2006 10 5.08141e+01 1.31021e+01 468 2006 11 5.31734e+01 7.86720e+00 529 2006 12 6.27906e+01 1.11611e+01 356 2007 1 5.60344e+01 6.88786e+00 240 2007 2 5.08655e+01 1.10883e+01 445 2007 3 4.79005e+01 1.37871e+01 531 2007 4 5.16047e+01 1.01997e+01 253 2007 5 4.90129e+01 6.12567e+00 41 2007 6 5.78326e+01 4.47550e+00 64 2007 7 5.10168e+01 6.35130e+00 185 2007 8 4.86899e+01 9.99916e+00 138 2007 9 3.92531e+01 1.96018e+01 97 2007 10 5.52729e+01 1.43757e+01 335 2007 11 5.43444e+01 1.03690e+01 715 2007 12 5.05137e+01 8.40905e+00 515 2008 1 5.74065e+01 8.75822e+00 336 2008 2 4.21354e+01 7.99763e+00 481 2008 3 3.37409e+01 1.08556e+01 191 2008 4 9.40276e+00 1.28817e+01 23 2008 5 2.14220e+01 1.34519e+01 58 2008 6 4.58987e+01 1.31615e+01 151 2008 7 5.32777e+01 6.53721e+00 213 2008 8 3.50296e+01 5.46543e+00 63 2008 9 5.37421e+00 1.05937e+01 99 2008 10 3.31877e+01 1.47183e+01 409 2008 11 5.10155e+01 9.74197e+00 656 2008 12 3.21337e+01 1.10361e+01 422 2009 1 4.18887e+01 1.95048e+01 444 2009 2 4.72215e+01 1.03810e+01 639 2009 3 4.68274e+01 1.30183e+01 461 2009 4 2.20207e+01 1.74503e+01 54 2009 5 3.60204e+01 4.44240e+00 57 2009 6 4.93896e+01 4.14842e+00 51 2009 7 nan nan 0 2009 8 2.74104e+01 1.16817e+01 79 2009 9 3.23603e+01 1.19869e+01 297 2009 10 4.68379e+01 8.74516e+00 587 2009 11 5.71021e+01 7.00982e+00 502 2009 12 4.58362e+01 1.33578e+01 199 2010 1 4.43592e+01 1.61864e+01 596 2010 2 3.54987e+01 1.94456e+01 301 2010 3 1.86988e+01 1.23092e+01 306 2010 4 nan nan 0 2010 5 3.92062e+01 1.47395e+01 121 2010 6 4.13592e+01 1.30144e+01 185 2010 7 3.13860e+01 1.60328e+01 79 2010 8 4.15461e+01 1.20145e+01 40 2010 9 3.63016e+01 1.50004e+01 220 2010 10 4.66456e+01 9.84741e+00 1072 2010 11 4.89011e+01 1.03767e+01 855 2010 12 5.00824e+01 1.19852e+01 484 2011 1 5.10070e+01 1.31004e+01 412 2011 2 5.25409e+01 1.39345e+01 543 2011 3 4.12736e+01 1.29152e+01 580 2011 4 4.22761e+01 1.21202e+01 252 2011 5 6.07028e+01 1.50686e+01 297 2011 6 5.52605e+01 1.41032e+01 32 2011 7 5.29114e+01 7.89428e+00 163 2011 8 5.50378e+01 5.16281e+00 98 2011 9 5.72924e+01 4.09734e+00 424 2011 10 5.58863e+01 9.96084e+00 559 2011 11 5.76080e+01 9.40941e+00 798 2011 12 5.93612e+01 1.06376e+01 610 2012 1 5.40616e+01 1.37762e+01 704 2012 2 5.64081e+01 9.11062e+00 168 2012 3 4.01667e+01 2.14277e+01 338 2012 4 4.59468e+01 1.69431e+01 359 2012 5 5.45621e+01 5.87866e+00 228 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 6.25752e-01 6.29518e-01 4 2012 10 3.42944e+01 1.23478e+01 62 2012 11 4.62961e+01 1.36384e+01 411 2012 12 4.63191e+01 9.94274e+00 331 2013 1 5.31984e+01 1.15313e+01 355 2013 2 5.07203e+01 6.39835e+00 264 2013 3 3.92451e+01 1.35714e+01 285 2013 4 9.44691e+01 4.12256e-01 3 2013 5 4.28146e+01 1.46429e+01 50 2013 6 2.91842e+00 6.49865e+00 14 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 6.13961e+01 4.04087e+01 10 2013 10 4.07762e+01 9.98734e+00 437 2013 11 4.30485e+01 6.87965e+00 187 2013 12 4.47707e+01 1.60810e+01 299 2014 1 4.20967e+01 1.66293e+01 121 2014 2 3.40169e+01 6.98704e+00 195 2014 3 3.01038e+01 1.57515e+01 187 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 3.26791e+01 6.96867e+00 32 2014 7 4.11300e+01 5.66049e+00 117 2014 8 1.83577e+01 2.27318e+01 10 2014 9 4.60350e+01 2.87290e+01 4 2014 10 3.74804e+01 1.49582e+01 478 2014 11 5.12960e+01 9.09555e+00 600 2014 12 5.15034e+01 1.39875e+01 408 2015 1 3.77122e+01 1.15091e+01 353 2015 2 3.86762e+01 9.53039e+00 215 2015 3 4.22780e+01 3.20171e+01 153 2015 4 2.20810e+01 7.02521e+00 54 2015 5 3.67321e+01 1.61958e+01 174 2015 6 3.32981e+01 1.40583e+01 117 2015 7 2.48991e+01 2.60375e+00 2 2015 8 8.63331e-04 1.36504e-03 7 2015 9 3.93446e+00 1.00161e+01 21 2015 10 4.06569e+01 1.20380e+01 365 2015 11 4.04065e+01 1.81442e+01 282 2015 12 4.81640e+01 1.14055e+01 434 2016 1 4.13460e+01 9.91383e+00 313 2016 2 2.75687e+01 1.16835e+01 218 2016 3 3.17907e+01 1.21469e+01 107 2016 4 1.85570e+01 6.69768e+00 87 2016 5 2.46073e+01 1.63475e+01 86 2016 6 4.83579e+01 1.00009e+01 295 2016 7 4.28022e+01 9.83742e+00 220 2016 8 4.61599e+01 1.83684e+01 150 2016 9 1.61320e+01 1.62878e+01 137 2016 10 4.64375e+01 9.17123e+00 471 2016 11 5.39516e+01 8.24828e+00 649 2016 12 5.69254e+01 8.63309e+00 391 2017 1 4.99194e+01 1.38641e+01 389 2017 2 3.29456e+01 1.75307e+01 154 2017 3 3.24388e+01 1.50405e+01 555 2017 4 4.50498e+01 1.40594e+01 257 2017 5 4.31693e+01 1.08992e+01 107 2017 6 5.01271e+01 1.42304e+01 222 2017 7 nan nan 0 2017 8 4.89688e+00 5.94692e+00 41 2017 9 1.56682e+01 8.75176e+00 8 2017 10 nan nan 0 2017 11 3.85876e+01 1.18887e+01 697 2017 12 4.42332e+01 1.36877e+01 426 2018 1 4.62083e+01 9.56490e+00 419 2018 2 3.67540e+01 1.76864e+01 325 2018 3 3.37610e+01 1.24449e+01 443 2018 4 3.98636e+01 1.62734e+01 250 2018 5 3.95606e+01 1.05675e+01 206 2018 6 0.00000e+00 0.00000e+00 2 2018 7 nan nan 0 2018 8 3.53211e+01 2.96463e+01 10 2018 9 1.82777e+01 1.27179e+01 58 2018 10 2.55899e+01 1.47652e+01 445 2018 11 4.29793e+01 7.28134e+00 216 2018 12 3.42043e+01 9.74872e+00 191 2019 1 nan nan 0 2019 2 nan nan 0 2019 3 1.61693e+01 1.56202e+01 57 2019 4 2.82492e+01 1.40489e+01 101 2019 5 4.66667e+01 1.13925e+01 201 2019 6 5.59004e+01 3.41809e+00 73 2019 7 6.87376e+01 8.08807e+00 26 2019 8 1.03214e+01 1.00446e+01 19 2019 9 4.78760e+01 1.06598e+01 173 2019 10 4.39348e+01 1.29364e+01 314 2019 11 4.78587e+01 1.33314e+01 560 2019 12 4.39447e+01 1.39066e+01 136 2020 1 3.99464e+01 1.43498e+01 322 2020 2 3.76159e+01 1.05965e+01 241 2020 3 3.08851e+01 1.82021e+01 86 2020 4 6.61129e+00 5.73179e+00 5 2020 5 6.89946e+00 4.11497e+00 5 2020 6 nan nan 0 2020 7 3.42324e+00 3.42324e+00 2 2020 8 nan nan 0 2020 9 4.66949e+01 9.51085e+00 6 2020 10 2.86596e+01 1.44584e+01 83 2020 11 3.34548e+01 1.23699e+01 391 2020 12 4.39882e+01 8.71403e+00 352 2021 1 3.47186e+01 8.14954e+00 162 2021 2 1.36372e+01 1.13147e+01 116 2021 3 nan nan 0 2021 4 5.40901e+01 0.00000e+00 1 2021 5 7.62964e+00 6.56169e+00 23 2021 6 4.94963e+01 1.64254e+01 118 2021 7 nan nan 0 2021 8 nan nan 0 2021 9 8.69639e+01 2.62248e+00 64 2021 10 2.50167e+01 1.93876e+01 114 2021 11 4.04522e+01 1.82894e+01 363 2021 12 3.07383e+01 1.75980e+01 381 2022 1 2.55092e+01 6.98391e+00 370 2022 2 2.82872e+01 1.55799e+01 539 2022 3 3.11608e+01 1.22592e+01 412 2022 4 7.64536e+01 1.59347e+01 5 2022 5 6.91905e+00 9.21686e+00 99 2022 6 3.33513e+01 1.33974e+01 117 2022 7 3.95010e+01 1.89341e+01 153 2022 8 1.22820e+01 1.01970e+01 69 2022 9 1.33448e+01 1.58429e+01 18 2022 10 4.52243e+01 1.75787e+01 798 2022 11 3.77648e+01 9.88545e+00 277 2022 12 4.26361e+01 1.55365e+01 564 2023 1 5.37495e+01 7.64484e+00 655 2023 2 3.91601e+01 2.51922e+01 446 2023 3 2.43082e+01 1.47392e+01 206 2023 4 3.44355e+01 3.08397e+01 304 2023 5 4.17716e+01 1.03929e+01 179 2023 6 3.94970e+01 1.68443e+01 165 2023 7 1.65874e+00 5.14171e+00 57 2023 8 3.74413e+01 7.67938e+00 57 2023 9 6.87653e+00 2.37367e+01 44 2023 10 2.87199e+01 2.02213e+01 455 2023 11 4.27088e+01 1.33547e+01 544 2023 12 3.00497e+01 1.34093e+01 225 2024 1 5.49770e-01 1.18199e-01 8 2024 2 3.42247e+01 1.38810e+01 118 2024 3 2.09908e+01 1.35243e+01 189 2024 4 nan nan 0