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 1.26689e+01 7.09044e+00 203 2002 8 2.49202e+01 1.08967e+01 326 2002 9 9.34375e+00 6.15794e+00 218 2002 10 1.18004e+01 5.51406e+00 778 2002 11 7.59424e+00 6.36623e+00 880 2002 12 6.21565e+00 4.22115e+00 613 2003 1 3.16141e+00 2.56390e+00 1031 2003 2 6.07854e+00 4.98102e+00 594 2003 3 5.88248e+01 2.05251e+00 32 2003 4 6.22303e-03 9.47848e-03 24 2003 5 nan nan 0 2003 6 9.42769e+00 2.00073e+01 58 2003 7 3.94867e+00 6.42175e+00 74 2003 8 2.16899e+01 2.03770e+01 169 2003 9 1.44604e+01 1.78500e+01 266 2003 10 1.41951e+01 1.53444e+01 687 2003 11 1.03128e+01 9.32235e+00 1051 2003 12 6.23218e+00 7.31605e+00 896 2004 1 1.02102e+01 8.26716e+00 896 2004 2 3.71738e+00 2.20809e+00 147 2004 3 2.66460e+00 2.50627e+00 336 2004 4 5.92656e+00 5.19547e+00 377 2004 5 8.25960e+00 8.77061e+00 501 2004 6 1.85454e+01 1.07479e+01 364 2004 7 1.49237e+01 1.00737e+01 317 2004 8 1.15637e+01 1.20012e+01 332 2004 9 4.96761e+00 8.12834e+00 214 2004 10 5.51002e+00 1.45490e+01 193 2004 11 4.25432e-01 7.37486e-01 355 2004 12 1.19210e+00 1.65685e+00 384 2005 1 2.44820e+00 3.35402e+00 697 2005 2 2.38930e+00 2.93178e+00 520 2005 3 2.86855e+00 2.98971e+00 581 2005 4 6.05407e-01 6.05877e-01 217 2005 5 4.29613e+01 7.75458e+00 66 2005 6 8.71023e+00 7.08445e+00 310 2005 7 1.49707e+00 7.12223e+00 211 2005 8 3.14862e+00 5.09754e+00 210 2005 9 1.13163e+01 1.13223e+01 268 2005 10 6.38764e+00 7.58475e+00 837 2005 11 8.93219e+00 6.53130e+00 1016 2005 12 5.93775e+00 4.16594e+00 1069 2006 1 4.66579e+00 5.80324e+00 692 2006 2 1.07966e+00 1.72424e+00 768 2006 3 7.64705e-01 7.99834e-01 514 2006 4 3.29784e+00 2.80036e+00 196 2006 5 8.47619e+00 9.32705e+00 322 2006 6 1.18834e+01 1.18976e+01 361 2006 7 5.14647e+00 5.37321e+00 209 2006 8 1.58202e+01 1.14535e+01 192 2006 9 1.05576e+01 7.88682e+00 605 2006 10 1.28189e+01 8.99365e+00 726 2006 11 1.27326e+01 9.38814e+00 837 2006 12 2.04046e+01 9.83647e+00 442 2007 1 1.08749e+01 5.99432e+00 384 2007 2 1.68999e+01 8.46504e+00 766 2007 3 1.29775e+01 9.99440e+00 958 2007 4 8.01899e+00 5.65871e+00 409 2007 5 2.73723e+01 2.33152e+00 85 2007 6 1.79411e+01 8.52749e+00 368 2007 7 1.21535e+01 4.65801e+00 497 2007 8 1.19745e+01 4.83340e+00 415 2007 9 1.63716e+01 3.97618e+00 416 2007 10 2.72389e+01 5.54885e+00 564 2007 11 2.32837e+01 8.24295e+00 1127 2007 12 2.77842e+01 1.17005e+01 781 2008 1 1.42399e+01 9.57893e+00 704 2008 2 1.82985e+01 8.54039e+00 898 2008 3 9.06375e+00 8.53105e+00 753 2008 4 1.23575e+01 1.66526e+01 237 2008 5 7.12062e+00 7.83344e+00 354 2008 6 1.08736e+01 4.86635e+00 254 2008 7 1.51556e+01 1.00756e+01 380 2008 8 6.64520e+00 4.56300e+00 128 2008 9 6.24348e+00 1.03113e+01 378 2008 10 9.32374e+00 6.81226e+00 908 2008 11 9.61235e+00 5.50007e+00 942 2008 12 4.80985e+00 4.48123e+00 813 2009 1 1.11481e+01 1.42475e+01 762 2009 2 6.82014e+00 4.52908e+00 957 2009 3 1.14689e+01 6.86144e+00 796 2009 4 5.56095e+00 4.77052e+00 371 2009 5 1.10771e+01 1.13697e+01 157 2009 6 2.78177e+01 1.10411e+01 259 2009 7 1.62466e+01 1.69633e+01 134 2009 8 8.44031e+00 1.39334e+01 420 2009 9 1.02046e+01 1.12795e+01 463 2009 10 1.41314e+01 7.63901e+00 876 2009 11 1.27160e+01 6.17265e+00 631 2009 12 1.04593e+01 7.40953e+00 192 2010 1 2.68078e+00 3.10656e+00 880 2010 2 3.16761e+00 6.58311e+00 640 2010 3 2.37443e-01 8.67329e-01 743 2010 4 4.83704e+00 2.28299e+00 127 2010 5 7.35588e+00 1.01343e+01 198 2010 6 4.96096e+00 4.97164e+00 501 2010 7 7.36390e+00 6.28090e+00 289 2010 8 5.33912e+00 4.56737e+00 218 2010 9 1.41547e+01 1.39810e+01 388 2010 10 1.04224e+01 5.87682e+00 1422 2010 11 1.20191e+01 7.25191e+00 1079 2010 12 9.72245e+00 8.47021e+00 1032 2011 1 1.76616e+01 1.13940e+01 706 2011 2 1.27086e+01 5.29543e+00 819 2011 3 7.12206e+00 4.26022e+00 710 2011 4 8.59543e+00 4.83494e+00 614 2011 5 8.75246e+00 7.43526e+00 414 2011 6 7.51326e-01 1.33016e+00 190 2011 7 8.52918e+00 7.24818e+00 281 2011 8 1.47449e+01 1.09259e+01 508 2011 9 1.69849e+01 9.49852e+00 565 2011 10 1.57065e+01 1.02633e+01 1000 2011 11 2.44595e+01 1.12965e+01 989 2011 12 2.84739e+01 9.04781e+00 925 2012 1 2.06768e+01 9.60030e+00 1059 2012 2 1.78452e+01 6.72365e+00 256 2012 3 1.32279e+01 9.35129e+00 775 2012 4 1.18868e+01 7.63992e+00 685 2012 5 1.75905e+01 6.77142e+00 448 2012 6 1.16921e+01 5.49014e+00 183 2012 7 nan nan 0 2012 8 3.15354e-02 3.96311e-02 86 2012 9 2.90182e-01 5.05627e-01 300 2012 10 1.30353e+00 3.67801e+00 701 2012 11 3.84632e+00 5.04662e+00 628 2012 12 3.82054e+00 3.64685e+00 448 2013 1 1.46489e+01 1.34127e+01 576 2013 2 9.12972e+00 4.36048e+00 512 2013 3 5.60190e+00 4.71035e+00 513 2013 4 8.26618e+00 1.32610e+01 340 2013 5 3.38317e+00 3.80842e+00 343 2013 6 2.39151e+01 2.50115e+01 229 2013 7 1.67995e+00 1.18525e+00 42 2013 8 nan nan 0 2013 9 4.41427e+00 7.36818e+00 222 2013 10 1.40599e+01 1.64980e+01 639 2013 11 1.13695e+01 1.09946e+01 413 2013 12 1.10572e+01 6.48922e+00 453 2014 1 9.13891e+00 7.84049e+00 515 2014 2 3.06935e+00 3.40065e+00 658 2014 3 4.95716e+00 7.49166e+00 389 2014 4 nan nan 0 2014 5 6.62095e-02 1.13053e-01 49 2014 6 1.10318e+01 1.06682e+01 123 2014 7 6.57161e+00 8.45193e+00 379 2014 8 3.72723e+00 6.31228e+00 217 2014 9 2.99572e+01 1.64575e+01 391 2014 10 7.91162e+00 9.96581e+00 1288 2014 11 8.27151e+00 6.45844e+00 1014 2014 12 1.70694e+01 1.25067e+01 621 2015 1 1.54787e+01 1.05390e+01 704 2015 2 9.58783e+00 5.25181e+00 717 2015 3 5.92121e+00 9.45522e+00 257 2015 4 1.06589e+01 2.54251e+00 22 2015 5 1.82126e+01 1.24723e+01 280 2015 6 1.58967e+01 1.47001e+01 353 2015 7 2.93832e+01 1.50678e+01 164 2015 8 4.56264e+00 5.82203e+00 266 2015 9 6.99971e+00 4.97055e+00 178 2015 10 8.68510e+00 4.36126e+00 502 2015 11 3.72786e+00 4.89828e+00 384 2015 12 1.34136e+01 1.11780e+01 574 2016 1 1.04527e+01 5.41761e+00 701 2016 2 5.00726e+00 4.27214e+00 1135 2016 3 2.42604e+00 2.36739e+00 628 2016 4 9.44420e+00 1.26693e+01 327 2016 5 1.53580e+00 2.45560e+00 223 2016 6 1.42330e+01 1.11186e+01 461 2016 7 7.90082e+00 1.06107e+01 585 2016 8 4.44127e+00 4.10479e+00 439 2016 9 6.20958e+00 1.06143e+01 590 2016 10 1.11724e+01 8.15172e+00 813 2016 11 1.54596e+01 8.99966e+00 862 2016 12 1.61820e+01 9.93100e+00 808 2017 1 1.13343e+01 7.96619e+00 703 2017 2 1.09410e+01 6.53899e+00 1088 2017 3 1.51012e+01 9.88731e+00 781 2017 4 7.80116e+00 5.11230e+00 556 2017 5 4.97840e+00 3.91543e+00 313 2017 6 2.79300e+01 1.37678e+01 204 2017 7 2.42757e+01 1.46572e+01 121 2017 8 6.36504e+00 6.62284e+00 516 2017 9 8.21387e+00 9.56959e+00 356 2017 10 4.43611e-01 7.44112e-01 290 2017 11 1.05395e+01 9.30778e+00 895 2017 12 1.40585e+01 8.26931e+00 640 2018 1 8.71190e+00 6.06968e+00 624 2018 2 1.60492e+01 9.72062e+00 535 2018 3 7.19685e+00 9.28522e+00 810 2018 4 4.26915e+00 4.10922e+00 329 2018 5 7.98372e+00 7.88532e+00 371 2018 6 7.40563e+00 5.08547e+00 287 2018 7 8.93400e+00 3.38443e+00 114 2018 8 6.94481e+00 8.97646e+00 223 2018 9 1.05513e+01 1.68480e+01 644 2018 10 8.75029e+00 1.34939e+01 827 2018 11 1.48516e+00 1.30068e+00 234 2018 12 1.32519e+00 2.09260e+00 636 2019 1 3.06197e-01 3.58184e+00 553 2019 2 1.48866e+00 1.81143e+00 242 2019 3 1.68367e+00 1.95566e+00 385 2019 4 1.09347e+00 1.03175e+00 238 2019 5 7.73370e+00 7.71354e+00 509 2019 6 8.12915e+00 1.27292e+01 141 2019 7 1.18937e+01 1.24783e+01 359 2019 8 1.61577e+00 2.93337e+00 321 2019 9 7.76969e+00 1.35505e+01 509 2019 10 8.04431e+00 8.67153e+00 575 2019 11 9.73825e+00 8.34325e+00 679 2019 12 1.23951e+01 7.73379e+00 503 2020 1 6.97421e+00 3.21939e+00 588 2020 2 7.01440e+00 4.53702e+00 602 2020 3 8.10459e+00 8.07855e+00 546 2020 4 4.57757e+00 6.58128e+00 562 2020 5 6.45734e+00 1.00696e+01 340 2020 6 5.67823e+00 7.11626e+00 443 2020 7 4.60465e+00 6.47727e+00 89 2020 8 7.51783e+00 8.43434e+00 176 2020 9 5.59187e-01 4.06006e-01 158 2020 10 1.11409e+01 1.54045e+01 429 2020 11 3.80509e+00 6.11027e+00 631 2020 12 5.45360e+00 5.49441e+00 530 2021 1 1.71863e+00 1.85220e+00 524 2021 2 1.24328e+00 2.81713e+00 331 2021 3 7.44613e+00 7.46504e+00 127 2021 4 2.94755e-01 1.86086e-01 33 2021 5 7.68332e+00 1.51345e+01 342 2021 6 3.85845e+00 6.59004e+00 157 2021 7 2.94217e+01 2.12982e+00 19 2021 8 6.56376e+01 2.63721e+01 72 2021 9 1.07404e+01 1.57614e+01 436 2021 10 7.04901e+00 1.05662e+01 513 2021 11 4.77871e+00 1.05707e+01 686 2021 12 1.03777e+01 1.57607e+01 571 2022 1 1.99531e+00 1.92099e+00 954 2022 2 6.25933e+00 3.28759e+00 704 2022 3 6.02569e+00 8.03390e+00 640 2022 4 2.33188e-01 1.83398e-01 64 2022 5 4.33834e+00 6.08223e+00 258 2022 6 1.47275e+01 9.07091e+00 291 2022 7 1.87038e+01 2.44891e+01 173 2022 8 2.08670e+01 1.59768e+01 432 2022 9 1.57705e+01 1.78711e+01 407 2022 10 9.53830e+00 7.26386e+00 1249 2022 11 1.86071e+01 9.44553e+00 489 2022 12 1.37336e+01 1.16426e+01 880 2023 1 1.51898e+01 4.80798e+00 795 2023 2 1.58092e+01 9.46057e+00 576 2023 3 1.34739e+01 9.29547e+00 717 2023 4 2.11273e+01 1.27062e+01 329 2023 5 1.09433e+01 1.18105e+01 246 2023 6 3.07950e+01 1.05716e+01 256 2023 7 1.76005e+01 1.75411e+01 274 2023 8 2.11182e+01 1.93804e+01 388 2023 9 9.72220e+00 1.74152e+01 286 2023 10 1.37227e+01 1.11692e+01 599 2023 11 1.32545e+01 1.30238e+01 600 2023 12 4.22623e+00 4.26206e+00 375 2024 1 8.19861e-02 2.30272e-01 333 2024 2 5.71346e+00 1.26946e+01 466 2024 3 1.52575e+01 1.91814e+01 126 2024 4 nan nan 0