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 1.22524e+00 1.69954e-01 111 2002 8 1.21756e+00 4.49284e-01 87 2002 9 1.71362e+00 1.72934e+00 109 2002 10 9.13201e-01 3.47329e-01 473 2002 11 7.01414e-01 3.55424e-01 262 2002 12 1.03313e+00 1.32849e-01 64 2003 1 3.18334e-01 4.02141e-02 36 2003 2 8.69078e-01 2.05787e-01 309 2003 3 1.09530e+00 4.95400e-01 110 2003 4 9.53468e-01 2.29963e-01 213 2003 5 1.55623e+00 1.11573e-01 128 2003 6 1.58522e+00 6.19978e-01 28 2003 7 1.15826e+00 3.94045e-01 145 2003 8 1.15839e+00 0.00000e+00 1 2003 9 3.61157e-01 6.68266e-02 21 2003 10 8.08371e-01 1.62396e-01 456 2003 11 9.23262e-01 2.51626e-01 509 2003 12 1.17384e+00 1.99885e-01 653 2004 1 1.21789e+00 2.05909e-01 604 2004 2 1.36152e+00 2.32579e-01 319 2004 3 1.11091e+00 7.75527e-01 180 2004 4 1.17864e+00 1.96653e-01 192 2004 5 1.87786e+00 2.00804e-01 159 2004 6 1.60900e+00 1.67976e-01 143 2004 7 1.89246e+00 6.13739e-02 64 2004 8 1.11280e+00 2.49934e-02 20 2004 9 nan nan 0 2004 10 nan nan 0 2004 11 6.50102e-01 2.47387e-01 238 2004 12 8.59912e-01 1.72887e-01 369 2005 1 1.05497e+00 2.33247e-01 584 2005 2 1.28452e+00 3.19012e-01 554 2005 3 1.11610e+00 2.70403e-01 378 2005 4 1.06595e+00 2.25466e-01 441 2005 5 1.52550e+00 2.66110e-01 128 2005 6 1.27248e+00 7.53895e-02 64 2005 7 4.13826e+00 2.55966e-02 2 2005 8 1.05858e+00 3.43920e-01 139 2005 9 1.13154e+00 5.45702e-01 161 2005 10 9.79320e-01 1.23837e+00 285 2005 11 1.25379e+00 3.06607e-01 280 2005 12 9.51793e-01 2.61957e-01 648 2006 1 1.29566e+00 3.47236e-01 477 2006 2 1.53830e+00 5.19993e-01 683 2006 3 1.34512e+00 5.47513e-01 658 2006 4 1.58312e+00 3.78457e-01 323 2006 5 1.20890e+00 4.05616e-01 259 2006 6 1.98825e+00 5.21295e-01 146 2006 7 4.61685e-01 0.00000e+00 4 2006 8 1.21556e+00 4.75067e-01 100 2006 9 6.14596e-01 1.79541e-01 183 2006 10 1.01453e+00 1.88899e-01 441 2006 11 1.26853e+00 2.74557e-01 374 2006 12 1.54306e+00 1.73438e-01 130 2007 1 1.56764e+00 2.30566e-01 374 2007 2 1.66544e+00 4.87908e-01 550 2007 3 1.60570e+00 3.47814e-01 487 2007 4 1.23179e+00 2.77772e-01 323 2007 5 1.20128e+00 3.94405e-02 23 2007 6 1.89327e+00 6.81641e-01 20 2007 7 1.62422e+00 5.31919e-02 120 2007 8 1.25412e+00 4.01935e-01 94 2007 9 2.10871e+00 2.29573e+00 289 2007 10 1.24991e+00 2.38677e-01 208 2007 11 1.23549e+00 2.10125e-01 626 2007 12 1.61431e+00 2.98842e-01 464 2008 1 1.50042e+00 3.75704e-01 459 2008 2 1.65647e+00 4.21556e-01 489 2008 3 1.43172e+00 3.22568e-01 391 2008 4 1.40582e+00 5.08240e-01 355 2008 5 1.70402e+00 6.26592e-01 257 2008 6 2.16891e+00 5.51229e-01 206 2008 7 5.31802e-01 5.63732e-02 23 2008 8 1.07158e+00 2.49018e-01 142 2008 9 1.46740e+00 6.25070e-01 85 2008 10 1.37547e+00 3.62805e-01 505 2008 11 1.48443e+00 3.62168e-01 972 2008 12 1.59386e+00 2.88386e-01 651 2009 1 1.56597e+00 3.37122e-01 635 2009 2 1.59758e+00 3.71227e-01 721 2009 3 1.79828e+00 3.77769e-01 725 2009 4 1.48683e+00 1.46020e-01 256 2009 5 1.59853e+00 9.27278e-02 128 2009 6 nan nan 0 2009 7 7.36308e-01 2.64869e-01 125 2009 8 8.40470e-01 2.04105e-01 59 2009 9 nan nan 0 2009 10 8.75758e-01 2.97559e-01 435 2009 11 1.09547e+00 2.84775e-01 454 2009 12 1.43679e+00 5.31208e-01 324 2010 1 1.39803e+00 2.49506e-01 571 2010 2 1.26237e+00 2.34619e-01 625 2010 3 1.50942e+00 4.41506e-01 566 2010 4 8.38661e-01 2.59690e-01 122 2010 5 1.27602e+00 1.50736e-02 7 2010 6 1.53971e+00 2.88083e-01 206 2010 7 nan nan 0 2010 8 1.10795e+00 1.99762e-01 127 2010 9 9.24756e-01 1.26425e-01 159 2010 10 1.18736e+00 2.11072e-01 1087 2010 11 1.30616e+00 2.35444e-01 598 2010 12 1.46591e+00 4.22947e-01 932 2011 1 1.64081e+00 2.43863e-01 549 2011 2 1.63213e+00 2.62388e-01 627 2011 3 1.82644e+00 4.10569e-01 760 2011 4 1.23065e+00 2.39330e-01 490 2011 5 1.59650e+00 3.17008e-01 327 2011 6 1.53920e+00 9.14325e-02 128 2011 7 2.01394e+00 6.11019e-01 112 2011 8 1.65699e+00 3.10632e-01 66 2011 9 1.15413e+00 1.76547e-01 310 2011 10 9.23433e-01 2.52685e-01 463 2011 11 1.30506e+00 5.19144e-01 485 2011 12 1.43660e+00 8.47080e-01 456 2012 1 1.42043e+00 2.37559e-01 428 2012 2 1.56494e+00 3.82606e-01 403 2012 3 1.75506e+00 3.09540e-01 401 2012 4 1.37843e+00 4.44812e-01 307 2012 5 2.10659e+00 2.51836e-01 296 2012 6 nan nan 0 2012 7 nan nan 0 2012 8 7.18547e-01 3.85049e-02 64 2012 9 4.79278e-01 9.38900e-02 48 2012 10 5.69225e-01 1.94092e-01 275 2012 11 9.02789e-01 3.90420e-01 498 2012 12 1.34244e+00 7.81728e-01 470 2013 1 1.00410e+00 3.13442e-01 493 2013 2 1.35324e+00 3.79095e-01 619 2013 3 1.51924e+00 2.26792e-01 632 2013 4 1.88934e+00 2.54488e-01 197 2013 5 3.04935e+00 4.12373e+00 74 2013 6 1.37495e+00 8.28449e-01 117 2013 7 8.58741e-01 5.86970e-01 71 2013 8 9.48035e-01 3.33850e-01 182 2013 9 4.02994e+00 3.45255e+00 98 2013 10 2.63767e+00 2.24847e+00 210 2013 11 1.27543e+00 1.57235e-01 46 2013 12 1.25708e+00 1.03151e+00 291 2014 1 1.26857e+00 5.23215e-01 344 2014 2 1.42112e+00 3.89422e-01 430 2014 3 1.58363e+00 5.55310e-01 320 2014 4 1.14741e+00 2.43855e-01 166 2014 5 1.39021e+00 7.89321e-01 195 2014 6 2.09908e+00 6.33399e-01 269 2014 7 1.29231e+00 1.78734e-01 153 2014 8 1.56927e+00 5.97499e-01 174 2014 9 2.37248e+00 3.98796e+00 160 2014 10 7.25086e-01 8.45962e-01 444 2014 11 8.39544e-01 2.45631e-01 620 2014 12 8.09576e-01 4.26066e-01 472 2015 1 1.06158e+00 2.72175e-01 326 2015 2 1.25776e+00 3.82894e-01 572 2015 3 1.09297e+00 1.94375e-01 384 2015 4 1.41569e+00 3.15175e-01 207 2015 5 1.48263e+00 6.70397e-01 125 2015 6 1.91394e+00 2.81022e-01 182 2015 7 nan nan 0 2015 8 nan nan 0 2015 9 nan nan 0 2015 10 1.28429e+00 1.15138e+00 37 2015 11 9.71217e-01 5.24834e-01 148 2015 12 9.90580e-01 2.35627e-01 135 2016 1 1.00379e+00 2.87334e-01 383 2016 2 8.62936e-01 2.13752e-01 868 2016 3 1.12974e+00 4.86604e-01 297 2016 4 7.85532e-01 1.19010e-01 65 2016 5 2.06091e+00 1.03475e+00 21 2016 6 3.67140e+00 5.01463e+00 89 2016 7 1.31858e+00 7.25179e-01 136 2016 8 6.72551e-01 3.74089e-01 56 2016 9 3.37098e+00 2.98629e+00 276 2016 10 1.72590e+00 1.54443e+00 74 2016 11 8.22374e-01 7.96006e-01 292 2016 12 1.38036e+00 1.30671e+00 540 2017 1 1.37646e+00 2.19493e-01 345 2017 2 1.54237e+00 3.46273e-01 840 2017 3 1.68131e+00 3.01071e-01 576 2017 4 1.58560e+00 6.79630e-01 244 2017 5 1.99302e+00 2.18964e-01 290 2017 6 3.23157e+00 1.07833e+00 107 2017 7 nan nan 0 2017 8 2.06920e+00 1.58165e+00 45 2017 9 nan nan 0 2017 10 5.29158e-01 1.92016e-01 136 2017 11 8.35061e-01 2.42608e-01 532 2017 12 1.06748e+00 4.95676e-01 550 2018 1 1.32820e+00 1.96660e-01 585 2018 2 1.70471e+00 1.75096e-01 320 2018 3 1.45361e+00 6.29949e-01 798 2018 4 1.50128e+00 3.73052e-01 389 2018 5 2.03675e+00 4.95359e-01 103 2018 6 9.92060e-01 1.36219e-01 64 2018 7 4.53091e-01 5.61162e-02 45 2018 8 3.06135e+00 1.61908e+00 26 2018 9 nan nan 0 2018 10 9.20957e-01 4.13997e-01 238 2018 11 1.05619e+00 2.93610e-01 382 2018 12 9.25540e-01 3.32829e-01 395 2019 1 9.51850e-01 1.25046e-01 275 2019 2 1.06190e+00 4.24007e-01 169 2019 3 8.78252e-01 2.69106e-01 327 2019 4 1.21678e+00 2.90111e-01 89 2019 5 1.98503e+00 7.12250e-01 180 2019 6 2.11312e+00 8.97538e-01 51 2019 7 1.62269e+00 1.60658e+00 201 2019 8 3.95486e+00 9.20698e-01 17 2019 9 1.36618e+00 0.00000e+00 1 2019 10 3.00041e+00 2.25828e+00 160 2019 11 1.28372e+00 4.78355e-01 105 2019 12 1.22084e+00 2.44794e-01 128 2020 1 8.36293e-01 3.34205e-01 503 2020 2 1.58015e+00 1.12942e+00 381 2020 3 1.90749e+00 1.69440e+00 337 2020 4 1.31444e+00 2.52361e-01 144 2020 5 1.61860e+00 5.38270e-01 88 2020 6 1.23615e+00 2.70249e-01 209 2020 7 1.52767e+00 9.26789e-02 117 2020 8 1.33514e+00 2.97733e-02 128 2020 9 5.85008e-01 8.54739e-02 55 2020 10 1.29353e+00 2.37211e+00 91 2020 11 6.55375e-01 2.21067e-01 125 2020 12 4.75005e-01 6.47300e-02 20 2021 1 7.50033e-01 2.18006e-01 190 2021 2 1.11994e+00 4.58524e-01 344 2021 3 1.26096e+00 3.27005e-01 322 2021 4 1.65083e+00 1.68467e-01 347 2021 5 1.49287e+00 5.98027e-01 236 2021 6 2.23307e+00 7.62829e-01 112 2021 7 1.35472e+00 0.00000e+00 2 2021 8 nan nan 0 2021 9 1.36387e+00 1.03005e+00 141 2021 10 7.87707e-01 2.03490e-01 231 2021 11 5.66226e-01 1.31015e-01 8 2021 12 1.06583e+00 3.66840e-01 199 2022 1 1.09823e+00 3.09426e-01 546 2022 2 1.91870e+00 9.09318e-01 429 2022 3 1.44758e+00 3.24781e-01 343 2022 4 1.81758e+00 4.39523e-01 53 2022 5 1.58829e+00 4.54066e-01 207 2022 6 2.29434e+00 8.96083e-01 32 2022 7 1.98947e+00 7.37663e-01 187 2022 8 1.42335e+00 3.39702e-01 159 2022 9 1.17915e+00 1.10020e+00 274 2022 10 1.52597e+00 1.08729e+00 149 2022 11 1.81465e+00 1.63815e+00 195 2022 12 1.26808e+00 8.96625e-01 352 2023 1 8.02424e-01 1.91315e-01 239 2023 2 1.91422e+00 8.48763e-01 462 2023 3 2.01038e+00 6.41210e-01 722 2023 4 2.33029e+00 6.45567e-01 360 2023 5 1.75999e+00 8.99775e-01 180 2023 6 2.13098e+00 7.23139e-01 140 2023 7 1.86248e+00 3.02982e-01 164 2023 8 4.03434e+00 5.23050e+00 266 2023 9 2.34764e+00 2.81040e+00 313 2023 10 1.62988e+00 7.57124e-01 377 2023 11 1.54841e+00 5.65464e-01 549 2023 12 2.21467e+00 8.06300e-01 266 2024 1 1.32080e+00 1.32554e-01 124 2024 2 1.67996e+00 4.81758e-01 587 2024 3 1.66287e+00 3.86749e-01 382 2024 4 nan nan 0