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 1.49780e+00 1.68801e+00 170 2002 10 3.45705e-01 6.26674e-01 260 2002 11 1.38955e-03 3.48446e-03 470 2002 12 1.92446e-01 2.58933e-01 473 2003 1 3.06509e-01 5.50128e-01 682 2003 2 1.74540e-01 4.05475e-01 295 2003 3 7.32853e-01 1.11765e+00 145 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 nan nan 0 2003 7 nan nan 0 2003 8 2.16357e+00 1.87264e+00 9 2003 9 8.75079e-01 1.39570e+00 45 2003 10 8.22439e-02 2.02764e-01 49 2003 11 4.92335e-03 1.50712e-02 345 2003 12 9.24589e-04 2.82482e-03 324 2004 1 4.59151e-02 1.10600e-01 171 2004 2 5.13661e-01 8.22999e-01 332 2004 3 1.87248e+00 1.72627e+00 253 2004 4 5.02348e+00 3.07048e+00 133 2004 5 nan nan 0 2004 6 1.35561e+00 8.86267e-01 24 2004 7 nan nan 0 2004 8 nan nan 0 2004 9 2.34450e-01 2.82402e-01 65 2004 10 1.10534e+00 2.05205e+00 162 2004 11 1.85173e-04 6.89227e-04 39 2004 12 1.79094e-01 2.54217e-01 468 2005 1 9.67407e-03 2.74424e-02 430 2005 2 2.27053e-01 4.40364e-01 581 2005 3 2.33472e+00 2.37177e+00 437 2005 4 2.91844e+00 3.11278e-01 6 2005 5 nan nan 0 2005 6 1.30235e+00 0.00000e+00 1 2005 7 nan nan 0 2005 8 nan nan 0 2005 9 nan nan 0 2005 10 2.25627e-02 1.07976e-01 280 2005 11 3.07551e-01 6.49019e-01 509 2005 12 2.11821e-02 5.18458e-02 860 2006 1 1.11534e-02 3.90907e-02 314 2006 2 4.79295e-01 5.45897e-01 135 2006 3 2.65527e+00 2.99927e+00 235 2006 4 4.62625e+00 3.35825e+00 150 2006 5 nan nan 0 2006 6 nan nan 0 2006 7 nan nan 0 2006 8 nan nan 0 2006 9 nan nan 0 2006 10 5.58494e-03 6.20139e-03 13 2006 11 8.59228e-02 2.38714e-01 795 2006 12 1.18349e-01 2.53424e-01 686 2007 1 9.43895e-02 2.01265e-01 664 2007 2 5.40547e-01 9.22104e-01 529 2007 3 1.48870e+00 2.28423e+00 250 2007 4 nan nan 0 2007 5 2.85288e+00 1.77494e+00 36 2007 6 nan nan 0 2007 7 nan nan 0 2007 8 6.74203e-01 3.29261e-01 41 2007 9 nan nan 0 2007 10 2.85845e-02 8.70547e-02 209 2007 11 7.50124e-03 2.16649e-02 424 2007 12 8.08894e-03 2.69277e-02 643 2008 1 3.76728e-02 5.16789e-02 281 2008 2 3.02990e-01 5.21338e-01 436 2008 3 1.86485e+00 1.77953e+00 260 2008 4 nan nan 0 2008 5 nan nan 0 2008 6 nan nan 0 2008 7 nan nan 0 2008 8 nan nan 0 2008 9 1.29148e-01 7.66717e-02 8 2008 10 1.15367e+00 2.37399e+00 166 2008 11 3.52676e-02 8.60202e-02 462 2008 12 7.11362e-01 1.03032e+00 912 2009 1 6.54782e-01 1.22348e+00 641 2009 2 8.80182e-01 1.00862e+00 342 2009 3 3.31210e+00 3.43662e+00 149 2009 4 nan nan 0 2009 5 6.13795e+00 1.40322e+00 20 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 1.40913e+00 1.82320e+00 40 2009 9 6.82163e-01 1.19077e+00 224 2009 10 1.17571e-01 3.71824e-01 376 2009 11 3.22436e-02 8.78664e-02 579 2009 12 2.38980e-01 3.21630e-01 581 2010 1 4.00899e-02 7.20143e-02 529 2010 2 2.80741e-01 4.28619e-01 280 2010 3 2.43539e+00 2.65579e+00 167 2010 4 5.93202e-01 2.05319e-01 13 2010 5 4.52632e+00 2.31316e+00 36 2010 6 nan nan 0 2010 7 2.01385e+00 2.36805e+00 38 2010 8 nan nan 0 2010 9 9.19696e-01 9.53510e-01 178 2010 10 7.48185e-01 1.90758e+00 456 2010 11 3.27406e-02 1.04037e-01 806 2010 12 1.92987e-01 2.90961e-01 640 2011 1 4.28321e-01 6.39203e-01 653 2011 2 9.95689e-01 1.71616e+00 231 2011 3 9.91831e-01 1.38231e+00 260 2011 4 7.75261e+00 2.82270e+00 29 2011 5 nan nan 0 2011 6 nan nan 0 2011 7 nan nan 0 2011 8 6.91368e+00 2.33764e+00 57 2011 9 1.16308e-01 1.32672e-01 47 2011 10 1.10988e-02 1.48828e-02 87 2011 11 5.40365e-02 1.27894e-01 420 2011 12 7.04796e-01 1.30224e+00 1089 2012 1 1.09982e+00 1.64053e+00 763 2012 2 3.35848e-01 5.02867e-01 359 2012 3 2.20423e+00 2.28291e+00 476 2012 4 4.00424e+00 2.01699e+00 64 2012 5 1.49675e+00 5.83076e-01 15 2012 6 nan nan 0 2012 7 1.95544e+00 1.22749e+00 25 2012 8 8.76291e-01 4.69076e-01 7 2012 9 1.01752e+00 9.02258e-01 72 2012 10 1.45270e-02 2.72093e-02 368 2012 11 4.98592e-02 1.11342e-01 420 2012 12 7.41215e-02 1.99942e-01 382 2013 1 7.53412e-01 1.21263e+00 526 2013 2 1.80775e+00 2.46016e+00 479 2013 3 5.62322e+00 5.23914e+00 120 2013 4 nan nan 0 2013 5 nan nan 0 2013 6 1.06261e+00 3.25009e-01 25 2013 7 4.17564e+00 1.34167e+00 8 2013 8 nan nan 0 2013 9 9.98614e-01 1.87465e+00 90 2013 10 1.69490e-01 4.80032e-01 290 2013 11 2.10701e-01 3.48833e-01 435 2013 12 4.14122e-02 1.24824e-01 367 2014 1 3.19011e-01 1.09564e+00 500 2014 2 1.17004e+00 1.37197e+00 548 2014 3 1.65743e+00 1.40682e+00 341 2014 4 1.77344e+00 4.87113e-01 8 2014 5 nan nan 0 2014 6 3.23898e+00 2.25397e+00 21 2014 7 3.76146e+00 3.07830e+00 88 2014 8 2.55140e+00 2.76840e+00 99 2014 9 6.78739e-01 1.24030e+00 101 2014 10 9.33002e-02 1.48807e-01 464 2014 11 1.34724e-01 4.32881e-01 542 2014 12 2.67289e-01 6.33287e-01 991 2015 1 1.08237e+00 1.39252e+00 572 2015 2 1.17541e-01 1.93983e-01 199 2015 3 2.42488e-01 3.45147e-01 235 2015 4 3.81787e+00 2.18565e+00 45 2015 5 2.31618e+00 8.41329e-01 9 2015 6 nan nan 0 2015 7 3.47353e+00 0.00000e+00 1 2015 8 2.02281e+00 1.28999e+00 5 2015 9 1.63396e-02 1.62347e-02 53 2015 10 1.11990e-02 2.34830e-02 169 2015 11 2.82408e-02 9.94870e-02 548 2015 12 5.94985e-01 9.89847e-01 757 2016 1 9.02306e-01 1.93714e+00 745 2016 2 1.35716e+00 1.91881e+00 953 2016 3 2.19056e+00 2.34724e+00 239 2016 4 3.55375e+00 1.81676e+00 120 2016 5 1.15977e+00 7.58027e-01 32 2016 6 1.05960e+00 1.09635e+00 40 2016 7 nan nan 0 2016 8 3.82990e+00 2.30654e+00 9 2016 9 8.41019e-01 1.43702e+00 149 2016 10 6.11806e-01 1.88987e+00 531 2016 11 7.80285e-02 3.43787e-01 558 2016 12 3.65506e-01 7.37511e-01 443 2017 1 1.65351e+00 2.36542e+00 488 2017 2 1.69286e+00 2.46802e+00 506 2017 3 2.29426e+00 2.65690e+00 412 2017 4 7.25186e+00 3.68612e+00 132 2017 5 1.03759e+00 1.15741e-01 7 2017 6 1.89514e+00 1.52743e+00 20 2017 7 1.37718e+00 5.73504e-01 3 2017 8 5.07362e-01 5.60056e-01 70 2017 9 1.28279e+00 7.70048e-01 7 2017 10 1.12477e+00 2.25184e+00 378 2017 11 7.16522e-03 2.10940e-02 491 2017 12 2.59287e-02 5.43539e-02 558 2018 1 5.96154e-01 1.02591e+00 914 2018 2 6.90602e-02 1.79237e-01 229 2018 3 7.97522e-01 1.10105e+00 229 2018 4 nan nan 0 2018 5 nan nan 0 2018 6 8.11853e+00 5.32480e+00 3 2018 7 2.13512e+00 2.81912e-01 4 2018 8 5.11707e+00 4.02357e+00 112 2018 9 1.74778e+00 3.01967e+00 204 2018 10 1.71767e-04 1.76313e-04 32 2018 11 5.76851e-03 1.79395e-02 191 2018 12 1.25063e-01 3.83009e-01 496 2019 1 3.55236e-02 7.37329e-02 106 2019 2 2.98167e-01 3.70702e-01 432 2019 3 3.31588e+00 3.15952e+00 535 2019 4 1.97940e+00 2.18684e+00 129 2019 5 6.19776e+00 3.51047e+00 53 2019 6 4.38677e+00 4.00117e+00 70 2019 7 6.84273e+00 2.24770e+00 6 2019 8 1.94796e+00 1.40845e+00 24 2019 9 1.51058e-01 1.77644e-01 145 2019 10 2.76128e-01 6.25916e-01 385 2019 11 9.95005e-02 4.35943e-01 519 2019 12 9.36367e-02 1.85063e-01 458 2020 1 2.89836e-01 6.25923e-01 746 2020 2 1.47234e+00 2.14871e+00 550 2020 3 3.05254e+00 2.68263e+00 280 2020 4 5.10996e+00 3.04447e+00 79 2020 5 3.82341e+00 4.49027e+00 45 2020 6 1.05434e+00 4.34220e-01 44 2020 7 2.02075e+00 1.03526e+00 58 2020 8 1.52533e+00 1.39338e+00 83 2020 9 1.98295e-02 1.71784e-02 76 2020 10 7.76591e-02 2.22582e-01 668 2020 11 1.45645e-01 4.13704e-01 335 2020 12 3.69690e-01 3.81786e-01 565 2021 1 7.92313e-01 1.19485e+00 977 2021 2 1.76831e-01 2.67639e-01 438 2021 3 1.32460e+00 1.34084e+00 198 2021 4 2.27648e+00 1.39955e+00 37 2021 5 6.12060e+00 3.57416e+00 36 2021 6 3.49997e-01 0.00000e+00 2 2021 7 3.39741e+00 2.10650e+00 74 2021 8 1.79199e+00 2.08940e+00 174 2021 9 2.14784e-01 3.38033e-01 137 2021 10 5.86776e-01 1.58380e+00 429 2021 11 2.02330e-01 1.03769e+00 578 2021 12 1.37945e-01 2.54324e-01 560 2022 1 3.11725e-01 6.02652e-01 563 2022 2 2.43822e+00 2.32393e+00 769 2022 3 2.03243e+00 1.18000e+00 107 2022 4 nan nan 0 2022 5 3.40816e+00 6.15484e-01 23 2022 6 5.32027e+00 2.71474e+00 94 2022 7 7.85246e+00 4.31394e+00 75 2022 8 nan nan 0 2022 9 5.16470e+00 3.56853e+00 53 2022 10 1.54441e-02 4.50492e-02 372 2022 11 1.79877e-01 3.91456e-01 430 2022 12 1.34235e+00 1.70821e+00 679 2023 1 1.23721e-01 2.56098e-01 250 2023 2 2.55198e-01 5.90725e-01 437 2023 3 3.58370e+00 3.29193e+00 794 2023 4 2.44531e+00 2.77832e+00 293 2023 5 8.36577e-01 1.05146e+00 183 2023 6 1.87192e+00 1.18184e+00 347 2023 7 1.17306e+00 7.57046e-01 267 2023 8 5.69476e-01 5.39015e-01 161 2023 9 5.36169e-01 7.68878e-01 646 2023 10 4.01904e-02 8.79727e-02 421 2023 11 4.16887e-03 1.38478e-02 516 2023 12 6.00522e-01 1.05299e+00 768 2024 1 1.23135e+00 1.65054e+00 916 2024 2 2.00493e+00 2.08769e+00 954 2024 3 1.40382e+00 1.47202e+00 473 2024 4 5.92666e+00 2.79762e+00 128