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 9.12910e-01 2.43889e-01 87 2002 8 1.30238e+00 9.43342e-01 85 2002 9 1.31604e+00 9.66015e-01 91 2002 10 1.03078e+00 7.85019e-01 402 2002 11 2.69583e+00 1.55309e+00 246 2002 12 2.57486e+00 1.62739e+00 268 2003 1 2.79400e+00 1.64575e+00 508 2003 2 1.86251e+00 8.94104e-01 412 2003 3 5.09612e+00 5.30703e-01 5 2003 4 nan nan 0 2003 5 nan nan 0 2003 6 1.75208e+00 2.52250e-01 30 2003 7 nan nan 0 2003 8 3.56404e+00 1.41037e+00 4 2003 9 1.10252e+00 1.09658e+00 74 2003 10 2.38763e+00 1.75680e+00 243 2003 11 1.52689e+00 1.06736e+00 453 2003 12 1.61516e+00 1.01278e+00 582 2004 1 1.35426e+00 8.73607e-01 496 2004 2 2.59147e+00 1.77689e+00 194 2004 3 2.80560e+00 2.21177e+00 235 2004 4 1.85696e+00 1.16041e+00 179 2004 5 1.65756e+00 1.33754e+00 109 2004 6 1.03527e+00 6.41162e-01 160 2004 7 1.24998e+00 1.14447e+00 89 2004 8 9.82592e-01 6.22775e-01 78 2004 9 nan nan 0 2004 10 6.31957e+00 3.74198e+00 6 2004 11 4.76019e+00 1.91716e+00 23 2004 12 2.59094e+00 1.23018e+00 177 2005 1 2.51343e+00 1.23183e+00 272 2005 2 1.53369e+00 9.33144e-01 225 2005 3 1.90233e+00 1.06543e+00 187 2005 4 7.11503e+00 1.18278e+00 9 2005 5 nan nan 0 2005 6 2.18923e+00 1.13670e+00 18 2005 7 nan nan 0 2005 8 1.49953e+00 0.00000e+00 1 2005 9 1.13921e+00 6.28322e-01 123 2005 10 1.21368e+00 7.70335e-01 243 2005 11 1.03655e+00 4.14040e-01 502 2005 12 1.49230e+00 8.08152e-01 373 2006 1 3.02239e+00 1.43289e+00 298 2006 2 2.82544e+00 1.64238e+00 302 2006 3 3.72116e+00 1.75561e+00 468 2006 4 1.90348e+00 8.84270e-01 174 2006 5 1.78577e+00 1.25414e+00 62 2006 6 7.44705e-01 1.37652e-01 77 2006 7 1.88057e+00 1.41402e+00 55 2006 8 8.57869e-01 1.40605e-01 22 2006 9 1.49575e+00 1.05506e+00 226 2006 10 1.36654e+00 1.04078e+00 318 2006 11 1.16559e+00 8.86484e-01 480 2006 12 6.60281e-01 2.54189e-01 262 2007 1 1.21826e+00 5.86559e-01 332 2007 2 1.06906e+00 3.75656e-01 415 2007 3 1.14012e+00 5.99751e-01 634 2007 4 1.26162e+00 8.75451e-01 211 2007 5 6.28271e-01 1.47184e-01 6 2007 6 1.25751e+00 6.25855e-01 97 2007 7 1.49689e+00 1.12269e+00 135 2007 8 8.13734e-01 6.25854e-01 112 2007 9 5.66283e-01 4.19954e-01 70 2007 10 5.69265e-01 1.68410e-01 162 2007 11 8.95613e-01 6.20971e-01 600 2007 12 6.59497e-01 5.05190e-01 252 2008 1 1.10910e+00 7.02172e-01 367 2008 2 8.30464e-01 3.59774e-01 534 2008 3 1.03057e+00 5.71371e-01 376 2008 4 1.63441e+00 6.76629e-01 261 2008 5 1.34788e+00 4.75046e-01 133 2008 6 1.46040e+00 7.37719e-01 80 2008 7 1.72446e+00 1.11053e+00 155 2008 8 2.20307e+00 1.52679e+00 40 2008 9 3.09080e+00 1.68816e+00 54 2008 10 1.70225e+00 1.15917e+00 394 2008 11 1.21452e+00 6.37916e-01 480 2008 12 1.66419e+00 1.16130e+00 649 2009 1 1.47214e+00 1.42406e+00 434 2009 2 1.09231e+00 5.67867e-01 686 2009 3 9.11892e-01 3.90177e-01 380 2009 4 2.15380e+00 7.74999e-01 133 2009 5 1.85670e+00 1.58890e+00 126 2009 6 1.37764e+00 4.98079e-01 42 2009 7 1.53252e+00 7.68594e-01 47 2009 8 2.95327e+00 1.48717e+00 77 2009 9 1.93634e+00 1.59773e+00 181 2009 10 1.86720e+00 1.11942e+00 298 2009 11 1.05778e+00 8.53814e-01 405 2009 12 1.36463e+00 8.87090e-01 194 2010 1 1.52287e+00 7.17970e-01 608 2010 2 3.72181e+00 1.96299e+00 64 2010 3 5.58045e+00 1.79896e+00 141 2010 4 3.45698e+00 2.29071e+00 159 2010 5 2.31623e+00 3.01974e-01 53 2010 6 nan nan 0 2010 7 3.58077e+00 1.59411e+00 58 2010 8 4.34870e+00 2.25504e+00 21 2010 9 2.68119e+00 2.01857e+00 132 2010 10 1.93010e+00 1.39333e+00 656 2010 11 1.20235e+00 8.89955e-01 640 2010 12 1.43296e+00 9.60440e-01 461 2011 1 1.31809e+00 6.86836e-01 428 2011 2 1.46137e+00 8.02501e-01 374 2011 3 2.21022e+00 1.33255e+00 621 2011 4 1.90656e+00 1.17180e+00 332 2011 5 1.36578e+00 9.89296e-01 191 2011 6 9.74391e-01 0.00000e+00 2 2011 7 2.43264e+00 1.68876e+00 58 2011 8 9.63508e-01 5.27477e-01 84 2011 9 1.43235e+00 1.12766e+00 357 2011 10 1.18283e+00 8.71742e-01 473 2011 11 8.62110e-01 4.81544e-01 516 2011 12 7.28425e-01 4.04432e-01 468 2012 1 9.14894e-01 4.15665e-01 609 2012 2 7.26043e-01 2.24830e-01 173 2012 3 1.30736e+00 1.48774e+00 360 2012 4 1.48804e+00 9.99023e-01 159 2012 5 8.09552e-01 4.03286e-01 178 2012 6 1.69398e+00 3.87333e-01 2 2012 7 nan nan 0 2012 8 nan nan 0 2012 9 nan nan 0 2012 10 3.00402e+00 4.21698e+00 3 2012 11 2.07715e+00 1.02889e+00 460 2012 12 1.56806e+00 7.88946e-01 163 2013 1 1.32000e+00 1.03724e+00 356 2013 2 1.70002e+00 6.79296e-01 195 2013 3 2.02805e+00 8.50887e-01 365 2013 4 2.33625e+00 1.09932e+00 197 2013 5 1.60718e+00 6.94631e-01 87 2013 6 1.70484e+00 1.18722e+00 106 2013 7 nan nan 0 2013 8 6.94058e-01 1.34300e+00 9 2013 9 9.03992e-02 2.33911e-01 15 2013 10 2.25084e+00 1.25509e+00 190 2013 11 2.31144e+00 1.88853e+00 232 2013 12 1.77960e+00 1.49230e+00 579 2014 1 2.13585e+00 1.26347e+00 240 2014 2 1.88695e+00 1.03515e+00 249 2014 3 4.39248e+00 2.32910e+00 169 2014 4 5.66701e+00 2.17631e+00 29 2014 5 nan nan 0 2014 6 nan nan 0 2014 7 3.40845e+00 1.61739e+00 239 2014 8 2.62151e+00 1.62653e+00 99 2014 9 9.51978e-01 3.62713e-01 156 2014 10 2.45373e+00 1.57817e+00 708 2014 11 1.38390e+00 7.42601e-01 641 2014 12 9.21588e-01 4.17407e-01 349 2015 1 1.33112e+00 7.62190e-01 311 2015 2 1.94969e+00 9.10496e-01 406 2015 3 2.51333e+00 1.33041e+00 328 2015 4 nan nan 0 2015 5 1.35946e+00 4.01531e-01 103 2015 6 2.16513e+00 1.78449e+00 107 2015 7 1.72643e+00 1.30841e+00 26 2015 8 1.11612e-02 1.12089e-02 9 2015 9 3.24636e+00 1.60631e+00 8 2015 10 1.65761e+00 8.47551e-01 269 2015 11 1.61491e+00 1.06822e+00 271 2015 12 1.07169e+00 5.24717e-01 379 2016 1 1.49343e+00 7.21107e-01 448 2016 2 2.36828e+00 1.13940e+00 502 2016 3 2.02002e+00 1.25039e+00 469 2016 4 2.66988e+00 1.87111e+00 232 2016 5 3.65646e+00 1.89714e+00 70 2016 6 1.64574e+00 1.11547e+00 141 2016 7 1.79661e+00 1.38407e+00 137 2016 8 4.47969e+00 2.98362e+00 37 2016 9 3.11864e+00 1.25733e+00 15 2016 10 2.95404e+00 2.17088e+00 239 2016 11 1.39741e+00 1.03777e+00 454 2016 12 1.07498e+00 4.34204e-01 317 2017 1 1.74793e+00 1.12734e+00 364 2017 2 1.56458e+00 1.18328e+00 488 2017 3 1.17957e+00 5.49345e-01 535 2017 4 1.48049e+00 6.86746e-01 124 2017 5 3.45004e+00 1.92632e+00 78 2017 6 1.28832e+00 1.26175e-01 7 2017 7 1.39525e+00 2.05625e+00 15 2017 8 2.08686e+00 1.57279e+00 87 2017 9 2.26338e+00 1.37455e+00 134 2017 10 3.19606e+00 2.75531e+00 140 2017 11 1.21387e+00 6.66282e-01 528 2017 12 1.06938e+00 7.15925e-01 404 2018 1 1.36744e+00 5.16002e-01 446 2018 2 8.56496e-01 3.12436e-01 376 2018 3 2.13724e+00 1.30235e+00 497 2018 4 2.79112e+00 1.30348e+00 88 2018 5 2.31274e+00 1.92515e+00 309 2018 6 4.42935e+00 2.72607e+00 52 2018 7 1.90133e+00 6.07092e-01 51 2018 8 3.16387e+00 1.43551e+00 51 2018 9 3.10775e+00 2.18056e+00 139 2018 10 3.43655e+00 1.90242e+00 321 2018 11 2.31525e+00 1.38804e+00 80 2018 12 2.51062e+00 1.65674e+00 158 2019 1 4.13007e+00 2.01919e+00 37 2019 2 3.32905e+00 1.67879e+00 204 2019 3 3.40348e+00 2.03642e+00 184 2019 4 2.35098e+00 7.06116e-01 186 2019 5 1.36982e+00 5.59400e-01 60 2019 6 nan nan 0 2019 7 3.01365e+00 0.00000e+00 1 2019 8 4.84631e+00 2.99415e+00 24 2019 9 3.39112e+00 1.87709e+00 73 2019 10 2.20909e+00 1.60826e+00 320 2019 11 1.38170e+00 8.90003e-01 425 2019 12 1.06875e+00 6.87952e-01 227 2020 1 1.61618e+00 9.59098e-01 256 2020 2 2.02351e+00 1.58451e+00 306 2020 3 1.69903e+00 8.30585e-01 418 2020 4 3.13147e+00 2.16344e+00 200 2020 5 1.91556e+00 1.30862e+00 161 2020 6 2.43387e+00 4.00799e-01 62 2020 7 nan nan 0 2020 8 3.29780e+00 1.76902e+00 48 2020 9 6.16709e+00 2.04994e+00 16 2020 10 nan nan 0 2020 11 3.08173e+00 2.25599e+00 161 2020 12 1.96723e+00 1.26745e+00 278 2021 1 2.63913e+00 1.31076e+00 217 2021 2 2.89982e+00 1.78818e+00 211 2021 3 4.69416e+00 1.59885e+00 53 2021 4 4.88720e+00 2.42637e+00 104 2021 5 2.85067e+00 2.14832e+00 209 2021 6 1.16715e+00 2.07172e-01 83 2021 7 3.33721e-02 0.00000e+00 1 2021 8 nan nan 0 2021 9 2.22912e+00 5.18100e-01 62 2021 10 3.01573e+00 1.62027e+00 139 2021 11 3.04343e+00 1.92618e+00 148 2021 12 1.49604e+00 8.63292e-01 313 2022 1 2.00169e+00 7.84373e-01 480 2022 2 1.50746e+00 7.48789e-01 513 2022 3 1.30245e+00 7.94392e-01 303 2022 4 2.27711e+00 7.23628e-01 26 2022 5 3.23493e+00 2.03246e+00 150 2022 6 1.65489e+00 1.29829e+00 154 2022 7 5.14030e-01 1.32253e-01 50 2022 8 1.56012e+00 1.11778e+00 169 2022 9 1.28125e+00 5.17002e-01 102 2022 10 1.26525e+00 6.68630e-01 805 2022 11 1.48922e+00 1.35044e+00 283 2022 12 1.27616e+00 1.36090e+00 592 2023 1 8.39926e-01 6.51152e-01 770 2023 2 8.57205e-01 3.60824e-01 387 2023 3 1.44416e+00 1.38438e+00 380 2023 4 9.30513e-01 1.08973e+00 295 2023 5 2.55071e+00 2.19976e+00 99 2023 6 4.61771e-01 8.47465e-02 64 2023 7 nan nan 0 2023 8 1.19433e+00 1.08063e+00 51 2023 9 2.90565e+00 1.95710e+00 206 2023 10 2.35390e+00 1.50711e+00 248 2023 11 1.45722e+00 1.23343e+00 501 2023 12 3.37783e+00 1.39825e+00 48 2024 1 1.83918e+00 1.08031e+00 53 2024 2 4.59436e+00 1.94533e+00 281 2024 3 nan nan 0 2024 4 nan nan 0